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-rw-r--r--core/bind/core_bind.cpp2
-rw-r--r--doc/classes/NavigationServer.xml22
-rw-r--r--doc/classes/ResourceInteractiveLoader.xml55
-rw-r--r--doc/classes/ResourceLoader.xml36
-rw-r--r--doc/classes/VisualShader.xml2
-rw-r--r--doc/classes/VisualShaderNodeCompare.xml9
-rw-r--r--doc/classes/VisualShaderNodeIntFunc.xml2
-rw-r--r--drivers/vulkan/vulkan_context.cpp2
-rw-r--r--editor/editor_data.cpp8
-rw-r--r--editor/icons/NavigationAgent.svg1
-rw-r--r--editor/icons/NavigationAgent2D.svg1
-rw-r--r--editor/icons/NavigationObstacle.svg1
-rw-r--r--editor/icons/NavigationObstacle2D.svg1
-rw-r--r--editor/icons/NavigationRegion.svg59
-rw-r--r--editor/icons/NavigationRegion2D.svg68
-rw-r--r--editor/icons/PlaneMesh.svg1
-rw-r--r--editor/inspector_dock.cpp1
-rw-r--r--editor/plugins/canvas_item_editor_plugin.cpp4
-rw-r--r--modules/csg/csg.cpp2117
-rw-r--r--modules/csg/csg.h158
-rw-r--r--servers/visual/rasterizer_rd/rasterizer_effects_rd.cpp27
-rw-r--r--servers/visual/rasterizer_rd/rasterizer_effects_rd.h1
-rw-r--r--servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl12
-rw-r--r--servers/visual/shader_language.cpp2
24 files changed, 1195 insertions, 1397 deletions
diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index e99e69578c..202b1b1fe8 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -134,7 +134,7 @@ bool _ResourceLoader::exists(const String &p_path, const String &p_type_hint) {
void _ResourceLoader::_bind_methods() {
ClassDB::bind_method(D_METHOD("load_threaded_request", "path", "type_hint", "use_sub_threads"), &_ResourceLoader::load_threaded_request, DEFVAL(""), DEFVAL(false));
- ClassDB::bind_method(D_METHOD("load_threaded_get_status", "path", "r_progress"), &_ResourceLoader::load_threaded_get_status, DEFVAL(Array()));
+ ClassDB::bind_method(D_METHOD("load_threaded_get_status", "path", "progress"), &_ResourceLoader::load_threaded_get_status, DEFVAL(Array()));
ClassDB::bind_method(D_METHOD("load_threaded_get", "path"), &_ResourceLoader::load_threaded_get);
ClassDB::bind_method(D_METHOD("load", "path", "type_hint", "no_cache"), &_ResourceLoader::load, DEFVAL(""), DEFVAL(false));
diff --git a/doc/classes/NavigationServer.xml b/doc/classes/NavigationServer.xml
index 1f65a6004e..1b534b8458 100644
--- a/doc/classes/NavigationServer.xml
+++ b/doc/classes/NavigationServer.xml
@@ -298,6 +298,17 @@
Sets the map up direction.
</description>
</method>
+ <method name="process">
+ <return type="void">
+ </return>
+ <argument index="0" name="delta_time" type="float">
+ </argument>
+ <description>
+ Process the collision avoidance agents.
+ The result of this process is needed by the physics server, so this must be called in the main thread.
+ Note: This function is not thread safe.
+ </description>
+ </method>
<method name="region_bake_navmesh" qualifiers="const">
<return type="void">
</return>
@@ -358,17 +369,6 @@
Control activation of this server.
</description>
</method>
- <method name="process">
- <return type="void">
- </return>
- <argument index="0" name="delta_time" type="float">
- </argument>
- <description>
- Process the collision avoidance agents.
- The result of this process is needed by the physics server, so this must be called in the main thread.
- Note: This function is not thread safe.
- </description>
- </method>
</methods>
<constants>
</constants>
diff --git a/doc/classes/ResourceInteractiveLoader.xml b/doc/classes/ResourceInteractiveLoader.xml
deleted file mode 100644
index 64e94c4f2d..0000000000
--- a/doc/classes/ResourceInteractiveLoader.xml
+++ /dev/null
@@ -1,55 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceInteractiveLoader" inherits="Reference" version="4.0">
- <brief_description>
- Interactive [Resource] loader.
- </brief_description>
- <description>
- Interactive [Resource] loader. This object is returned by [ResourceLoader] when performing an interactive load. It allows loading resources with high granularity, which makes it mainly useful for displaying loading bars or percentages.
- </description>
- <tutorials>
- </tutorials>
- <methods>
- <method name="get_resource">
- <return type="Resource">
- </return>
- <description>
- Returns the loaded resource if the load operation completed successfully, [code]null[/code] otherwise.
- </description>
- </method>
- <method name="get_stage" qualifiers="const">
- <return type="int">
- </return>
- <description>
- Returns the load stage. The total amount of stages can be queried with [method get_stage_count].
- </description>
- </method>
- <method name="get_stage_count" qualifiers="const">
- <return type="int">
- </return>
- <description>
- Returns the total amount of stages (calls to [method poll]) needed to completely load this resource.
- </description>
- </method>
- <method name="poll">
- <return type="int" enum="Error">
- </return>
- <description>
- Polls the loading operation, i.e. loads a data chunk up to the next stage.
- Returns [constant OK] if the poll is successful but the load operation has not finished yet (intermediate stage). This means [method poll] will have to be called again until the last stage is completed.
- Returns [constant ERR_FILE_EOF] if the load operation has completed successfully. The loaded resource can be obtained by calling [method get_resource].
- Returns another [enum Error] code if the poll has failed.
- </description>
- </method>
- <method name="wait">
- <return type="int" enum="Error">
- </return>
- <description>
- Polls the loading operation successively until the resource is completely loaded or a [method poll] fails.
- Returns [constant ERR_FILE_EOF] if the load operation has completed successfully. The loaded resource can be obtained by calling [method get_resource].
- Returns another [enum Error] code if a poll has failed, aborting the operation.
- </description>
- </method>
- </methods>
- <constants>
- </constants>
-</class>
diff --git a/doc/classes/ResourceLoader.xml b/doc/classes/ResourceLoader.xml
index d2a0ac22d6..533bc9ec28 100644
--- a/doc/classes/ResourceLoader.xml
+++ b/doc/classes/ResourceLoader.xml
@@ -48,7 +48,7 @@
</argument>
<description>
Returns whether a cached resource is available for the given [code]path[/code].
- Once a resource has been loaded by the engine, it is cached in memory for faster access, and future calls to the [method load] or [method load_interactive] methods will use the cached version. The cached resource can be overridden by using [method Resource.take_over_path] on a new resource for that same path.
+ Once a resource has been loaded by the engine, it is cached in memory for faster access, and future calls to the [method load] method will use the cached version. The cached resource can be overridden by using [method Resource.take_over_path] on a new resource for that same path.
</description>
</method>
<method name="load">
@@ -68,16 +68,34 @@
Returns an empty resource if no ResourceFormatLoader could handle the file.
</description>
</method>
- <method name="load_interactive">
- <return type="ResourceInteractiveLoader">
+ <method name="load_threaded_get">
+ <return type="Resource">
+ </return>
+ <argument index="0" name="path" type="String">
+ </argument>
+ <description>
+ </description>
+ </method>
+ <method name="load_threaded_get_status">
+ <return type="int" enum="ResourceLoader.ThreadLoadStatus">
+ </return>
+ <argument index="0" name="path" type="String">
+ </argument>
+ <argument index="1" name="progress" type="Array" default="[ ]">
+ </argument>
+ <description>
+ </description>
+ </method>
+ <method name="load_threaded_request">
+ <return type="int" enum="Error">
</return>
<argument index="0" name="path" type="String">
</argument>
<argument index="1" name="type_hint" type="String" default="&quot;&quot;">
</argument>
+ <argument index="2" name="use_sub_threads" type="bool" default="false">
+ </argument>
<description>
- Starts loading a resource interactively. The returned [ResourceInteractiveLoader] object allows to load with high granularity, calling its [method ResourceInteractiveLoader.poll] method successively to load chunks.
- An optional [code]type_hint[/code] can be used to further specify the [Resource] type that should be handled by the [ResourceFormatLoader].
</description>
</method>
<method name="set_abort_on_missing_resources">
@@ -91,5 +109,13 @@
</method>
</methods>
<constants>
+ <constant name="THREAD_LOAD_INVALID_RESOURCE" value="0" enum="ThreadLoadStatus">
+ </constant>
+ <constant name="THREAD_LOAD_IN_PROGRESS" value="1" enum="ThreadLoadStatus">
+ </constant>
+ <constant name="THREAD_LOAD_FAILED" value="2" enum="ThreadLoadStatus">
+ </constant>
+ <constant name="THREAD_LOAD_LOADED" value="3" enum="ThreadLoadStatus">
+ </constant>
</constants>
</class>
diff --git a/doc/classes/VisualShader.xml b/doc/classes/VisualShader.xml
index 27ba54cb68..0dd8ec0064 100644
--- a/doc/classes/VisualShader.xml
+++ b/doc/classes/VisualShader.xml
@@ -183,6 +183,8 @@
<member name="code" type="String" setter="set_code" getter="get_code" override="true" default="&quot;shader_type spatial;void vertex() {// Output:0}void fragment() {// Output:0}void light() {// Output:0}&quot;" />
<member name="graph_offset" type="Vector2" setter="set_graph_offset" getter="get_graph_offset" default="Vector2( 0, 0 )">
</member>
+ <member name="version" type="String" setter="set_version" getter="get_version" default="&quot;&quot;">
+ </member>
</members>
<constants>
<constant name="TYPE_VERTEX" value="0" enum="Type">
diff --git a/doc/classes/VisualShaderNodeCompare.xml b/doc/classes/VisualShaderNodeCompare.xml
index 32f7be3ec3..9c2331edea 100644
--- a/doc/classes/VisualShaderNodeCompare.xml
+++ b/doc/classes/VisualShaderNodeCompare.xml
@@ -25,13 +25,16 @@
<constant name="CTYPE_SCALAR" value="0" enum="ComparisonType">
A floating-point scalar.
</constant>
- <constant name="CTYPE_VECTOR" value="1" enum="ComparisonType">
+ <constant name="CTYPE_SCALAR_INT" value="1" enum="ComparisonType">
+ An integer scalar.
+ </constant>
+ <constant name="CTYPE_VECTOR" value="2" enum="ComparisonType">
A 3D vector type.
</constant>
- <constant name="CTYPE_BOOLEAN" value="2" enum="ComparisonType">
+ <constant name="CTYPE_BOOLEAN" value="3" enum="ComparisonType">
A boolean type.
</constant>
- <constant name="CTYPE_TRANSFORM" value="3" enum="ComparisonType">
+ <constant name="CTYPE_TRANSFORM" value="4" enum="ComparisonType">
A transform ([code]mat4[/code]) type.
</constant>
<constant name="FUNC_EQUAL" value="0" enum="Function">
diff --git a/doc/classes/VisualShaderNodeIntFunc.xml b/doc/classes/VisualShaderNodeIntFunc.xml
index 4b5d4ca8d2..5c68c0ec71 100644
--- a/doc/classes/VisualShaderNodeIntFunc.xml
+++ b/doc/classes/VisualShaderNodeIntFunc.xml
@@ -11,7 +11,7 @@
<methods>
</methods>
<members>
- <member name="function" type="int" setter="set_function" getter="get_function" enum="VisualShaderNodeIntFunc.Function" default="0">
+ <member name="function" type="int" setter="set_function" getter="get_function" enum="VisualShaderNodeIntFunc.Function" default="3">
A function to be applied to the scalar. See [enum Function] for options.
</member>
</members>
diff --git a/drivers/vulkan/vulkan_context.cpp b/drivers/vulkan/vulkan_context.cpp
index 7c691340ca..7068f707e6 100644
--- a/drivers/vulkan/vulkan_context.cpp
+++ b/drivers/vulkan/vulkan_context.cpp
@@ -63,7 +63,7 @@ VKAPI_ATTR VkBool32 VKAPI_CALL VulkanContext::_debug_messenger_callback(VkDebugU
if (strstr(pCallbackData->pMessage, "wrong ELF class: ELFCLASS32") != NULL) {
return VK_FALSE;
}
- if (strstr(pCallbackData->pMessageIdName, "UNASSIGNED-CoreValidation-DrawState-ClearCmdBeforeDraw") != NULL) {
+ if (pCallbackData->pMessageIdName && strstr(pCallbackData->pMessageIdName, "UNASSIGNED-CoreValidation-DrawState-ClearCmdBeforeDraw") != NULL) {
return VK_FALSE;
}
diff --git a/editor/editor_data.cpp b/editor/editor_data.cpp
index 26d132665c..192e7d286f 100644
--- a/editor/editor_data.cpp
+++ b/editor/editor_data.cpp
@@ -435,10 +435,14 @@ void EditorData::restore_editor_global_states() {
void EditorData::paste_object_params(Object *p_object) {
+ ERR_FAIL_NULL(p_object);
+ undo_redo.create_action(TTR("Paste Params"));
for (List<PropertyData>::Element *E = clipboard.front(); E; E = E->next()) {
-
- p_object->set(E->get().name, E->get().value);
+ String name = E->get().name;
+ undo_redo.add_do_property(p_object, name, E->get().value);
+ undo_redo.add_undo_property(p_object, name, p_object->get(name));
}
+ undo_redo.commit_action();
}
bool EditorData::call_build() {
diff --git a/editor/icons/NavigationAgent.svg b/editor/icons/NavigationAgent.svg
new file mode 100644
index 0000000000..44c991d44c
--- /dev/null
+++ b/editor/icons/NavigationAgent.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 4.2333332 4.2333335" width="16" xmlns="http://www.w3.org/2000/svg"><g transform="scale(.26458333)"><path d="m9 1c-1.3712923 0-2.308408.4294811-2.9394531 1.0742188-.6678822.6627728-1.3395938 1.3233299-2.0097657 1.984375-.0455468 1.7412784.7567781 4.3277129 2.3652344 4.84375.1781835.3171398.3844475.6487461.5839844.9765624v5.1210938l2-2c2-3 4-5.9999874 4-8s-1-4-4-4z" fill="#fff" fill-opacity=".392157"/><path d="m7 3c-3 0-4 1.9999874-4 4s2.0000003 5 4 8c2.0000001-3 4-5.9999874 4-8s-1-4-4-4zm0 2a1.9999999 1.9999999 0 0 1 2 2 1.9999999 1.9999999 0 0 1 -2 2 1.9999999 1.9999999 0 0 1 -2-2 1.9999999 1.9999999 0 0 1 2-2z" fill="#e0e0e0"/></g></svg> \ No newline at end of file
diff --git a/editor/icons/NavigationAgent2D.svg b/editor/icons/NavigationAgent2D.svg
new file mode 100644
index 0000000000..8ded0cea55
--- /dev/null
+++ b/editor/icons/NavigationAgent2D.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 4.2333332 4.2333335" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m8 1c-2.9999997.0000126-5 2-5 5s3.0000003 6 5 9c2-3 5.007143-6.0296693 5-9 0-3-2-4.9999874-5-5zm0 2.5a2.4999999 2.4999999 0 0 1 2.5 2.5 2.4999999 2.4999999 0 0 1 -2.5 2.5 2.4999999 2.4999999 0 0 1 -2.5-2.5 2.4999999 2.4999999 0 0 1 2.5-2.5z" fill="#e0e0e0" transform="scale(.26458333)"/></svg> \ No newline at end of file
diff --git a/editor/icons/NavigationObstacle.svg b/editor/icons/NavigationObstacle.svg
new file mode 100644
index 0000000000..42481a6067
--- /dev/null
+++ b/editor/icons/NavigationObstacle.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 4.2333332 4.2333335" width="16" xmlns="http://www.w3.org/2000/svg"><g transform="scale(.26458333)"><path d="m4.6074219 8.3789062c-1.7979243.927604-3.60742192 2.0716858-3.6074219 2.6210938 0 .999987 6.0000005 4 7 4 1.0000006 0 7-3.000013 7-4 0-.549408-1.809498-1.6934898-3.607422-2.6210938l.607422 1.6210938c2 4.000025-9.9999999 4.000025-8 0z" fill="#fff" fill-opacity=".392157"/><path d="m8 .875c-.375 0-.7499997.3749906-1 1.125l-3 8c-1.9999998 4.000025 10 4.000025 8 0l-3-8c-.2499997-.7500094-.625-1.125-1-1.125zm-1.5 4.125c.9999999.4999937 2.0000001.4999937 3 0l1 3.5c-1.4999996.9999874-3.4999996.9999874-5 0z" fill="#e0e0e0"/></g></svg> \ No newline at end of file
diff --git a/editor/icons/NavigationObstacle2D.svg b/editor/icons/NavigationObstacle2D.svg
new file mode 100644
index 0000000000..8a9c43ddad
--- /dev/null
+++ b/editor/icons/NavigationObstacle2D.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 4.2333332 4.2333335" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m8 .875c-.625 0-1.2499999.3749906-1.5 1.125l-2.9999999 10h8.9999999l-3-10c-.2499999-.7500094-.875-1.125-1.5-1.125zm-1.5 4.125h3l1 4h-5zm-4.5 8c-1 0-1 2 0 2h12c1 0 1-2 0-2z" fill="#e0e0e0" transform="scale(.26458333)"/></svg> \ No newline at end of file
diff --git a/editor/icons/NavigationRegion.svg b/editor/icons/NavigationRegion.svg
index 92cc9afd91..61f43497b4 100644
--- a/editor/icons/NavigationRegion.svg
+++ b/editor/icons/NavigationRegion.svg
@@ -1,58 +1 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
- xmlns:dc="http://purl.org/dc/elements/1.1/"
- xmlns:cc="http://creativecommons.org/ns#"
- xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- xmlns:svg="http://www.w3.org/2000/svg"
- xmlns="http://www.w3.org/2000/svg"
- xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
- xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
- inkscape:version="1.0beta2 (unknown)"
- sodipodi:docname="icon_navigation_region.svg"
- id="svg4"
- version="1.1"
- width="16"
- viewBox="0 0 16 16"
- height="16">
- <metadata
- id="metadata10">
- <rdf:RDF>
- <cc:Work
- rdf:about="">
- <dc:format>image/svg+xml</dc:format>
- <dc:type
- rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
- </cc:Work>
- </rdf:RDF>
- </metadata>
- <defs
- id="defs8" />
- <sodipodi:namedview
- inkscape:current-layer="svg4"
- inkscape:window-maximized="0"
- inkscape:window-y="18"
- inkscape:window-x="0"
- inkscape:cy="6.4771531"
- inkscape:cx="15.373896"
- inkscape:zoom="32"
- showgrid="false"
- id="namedview6"
- inkscape:window-height="1041"
- inkscape:window-width="1916"
- inkscape:pageshadow="2"
- inkscape:pageopacity="0"
- guidetolerance="10"
- gridtolerance="10"
- objecttolerance="10"
- borderopacity="1"
- inkscape:document-rotation="0"
- bordercolor="#666666"
- pagecolor="#ffffff" />
- <path
- sodipodi:nodetypes="ccccccccccccccccccc"
- inkscape:connector-curvature="0"
- d="M 3,1 C 1.895431,1 1,1.895431 1,3 v 10 c 0,1.104569 0.895431,2 2,2 L 7.2383,14 C 8.917345,11.151816 9.09393,5.498579 11.99998,5.00198 h 0.02344 c 0.825004,0.0095 1.559551,0.524505 1.8496,1.2969 l 0.12695,0.33789 1,-3.6367 c 0,-1.104569 -0.895431,-2 -2,-2 H 8.20155 2.99997 Z m 9,6 -3,8 3,-2 3,2 z"
- fill="#fc9c9c"
- fill-opacity=".99608"
- id="path2-3" />
-</svg>
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m2 1c-.1339223.0000569-.2535666.030668-.3652344.074219-.022275.00881-.041042.020919-.0625.03125-.088962.042467-.1681009.095499-.2382812.1601562-.021532.01952-.042739.037285-.0625.058594-.074111.081092-.13722.1698052-.1816406.2695312-.00343.00765-.00847.013733-.011719.021484l-.00195.00195c-.0452281.1091913-.0629952.2269004-.0683623.3457062-.0005086.0130821-.0078112.023903-.0078125.0371094v12c.0000552.552262.4477381.999945 1 1h4.8847656a2.1184381 2.1184381 0 0 1 .1328125-.744141l2.9999999-7.9999996a2.1184381 2.1184381 0 0 1 2.007813-1.3730469 2.1184381 2.1184381 0 0 1 1.957031 1.3730469l1.017578 2.7128906v-6.96875c-.000001-.013206-.0073-.024027-.0078-.037109-.0054-.1188058-.02313-.2365149-.06836-.3457031l-.002-.00195c-.0032-.00756-.0084-.013999-.01172-.021484-.04442-.099726-.107529-.188439-.18164-.2695312-.01976-.021308-.04097-.039073-.0625-.058594-.07018-.064657-.149319-.1176895-.238282-.1601562-.02146-.010331-.04022-.022439-.0625-.03125-.111631-.0435548-.231276-.0741656-.365198-.0742225zm10 6-3 8 3-2 3 2z" fill="#fc9c9c" fill-opacity=".996078" fill-rule="evenodd"/></svg> \ No newline at end of file
diff --git a/editor/icons/NavigationRegion2D.svg b/editor/icons/NavigationRegion2D.svg
index a297216cb7..f22e9f64f7 100644
--- a/editor/icons/NavigationRegion2D.svg
+++ b/editor/icons/NavigationRegion2D.svg
@@ -1,67 +1 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
- xmlns:dc="http://purl.org/dc/elements/1.1/"
- xmlns:cc="http://creativecommons.org/ns#"
- xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- xmlns:svg="http://www.w3.org/2000/svg"
- xmlns="http://www.w3.org/2000/svg"
- xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
- xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
- inkscape:version="1.0beta2 (unknown)"
- sodipodi:docname="icon_navigation_polygon_instance.svg"
- id="svg8"
- version="1.1"
- width="16"
- viewBox="0 0 16 16"
- height="16">
- <metadata
- id="metadata14">
- <rdf:RDF>
- <cc:Work
- rdf:about="">
- <dc:format>image/svg+xml</dc:format>
- <dc:type
- rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
- </cc:Work>
- </rdf:RDF>
- </metadata>
- <defs
- id="defs12" />
- <sodipodi:namedview
- inkscape:current-layer="svg8"
- inkscape:window-maximized="0"
- inkscape:window-y="18"
- inkscape:window-x="0"
- inkscape:cy="10.058435"
- inkscape:cx="5.8836841"
- inkscape:zoom="19.64431"
- showgrid="false"
- id="namedview10"
- inkscape:window-height="1041"
- inkscape:window-width="1916"
- inkscape:pageshadow="2"
- inkscape:pageopacity="0"
- guidetolerance="10"
- gridtolerance="10"
- objecttolerance="10"
- borderopacity="1"
- inkscape:document-rotation="0"
- bordercolor="#666666"
- pagecolor="#ffffff" />
- <g
- id="g6"
- transform="translate(0 -1036.4)"
- fill-rule="evenodd"
- fill-opacity=".98824"
- fill="#a5b7f3">
- <path
- sodipodi:nodetypes="cccccccccccccc"
- inkscape:connector-curvature="0"
- id="path2"
- transform="translate(0,1036.4)"
- d="M 2,1 C 1.4477381,1.0000552 1.0000552,1.4477381 1,2 v 12 c 5.52e-5,0.552262 0.4477381,0.999945 1,1 h 4.9023 c -7.836e-4,-0.251296 0.043539,-0.500692 0.13086,-0.73633 l 0.47461,-1.2637 2.5254,-6.7362 c 0.311135,-0.8280197 1.107723,-1.3723398 1.9922,-1.3613 0.146558,0.00168 0.292536,0.018702 0.43555,0.050781 l 2.2461,-2.2461 c 0.629502,-0.6299963 0.18357,-1.7066217 -0.70703,-1.707 h -12 z" />
- <path
- id="path4"
- d="m15 1051.4-3-8-3 8 3-2z" />
- </g>
-</svg>
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m2 1c-.1339223.0000569-.2535666.0306675-.3652344.0742188-.022275.0088111-.0410424.0209185-.0625.03125-.0889622.0424668-.1681009.0954994-.2382812.1601562-.0215322.0195204-.0427394.0372854-.0625.0585938-.0741112.0810923-.13722.1698052-.1816406.2695312-.0034324.0076504-.0084746.0137334-.0117188.0214844l-.0019531.0019531c-.0452252.1091882-.0629923.2268973-.0683594.3457031-.0005086.0130821-.0078112.023903-.0078125.0371094v12c.0000552.552262.4477381.999945 1 1h4.8847656a2.1184381 2.1184381 0 0 1 .1328125-.744141l2.9999999-7.9999996a2.1184381 2.1184381 0 0 1 2.007813-1.3730469 2.1184381 2.1184381 0 0 1 1.957031 1.3730469l1.017578 2.7128906v-6.96875c-.000001-.0132064-.007305-.0240273-.007812-.0371094-.005369-.1188058-.023135-.2365149-.06836-.3457031l-.001953-.0019531c-.003155-.0075626-.008384-.0139987-.011719-.0214844-.044421-.099726-.107529-.188439-.18164-.2695312-.019761-.0213083-.040968-.0390734-.0625-.0585938-.070181-.0646568-.149319-.1176895-.238282-.1601562-.021457-.0103315-.040225-.022439-.0625-.03125-.111667-.0435511-.231312-.0741619-.365234-.0742188zm10 6-3 8 3-2 3 2z" fill="#a5b7f3" fill-opacity=".98824" fill-rule="evenodd"/></svg> \ No newline at end of file
diff --git a/editor/icons/PlaneMesh.svg b/editor/icons/PlaneMesh.svg
new file mode 100644
index 0000000000..2512fc9031
--- /dev/null
+++ b/editor/icons/PlaneMesh.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m8 4-7 4 7 4 7-4zm0 2 3.5 2-3.5 2-3.5-2z" fill="#ffd684"/></svg> \ No newline at end of file
diff --git a/editor/inspector_dock.cpp b/editor/inspector_dock.cpp
index 6b8cb49412..2729d9ecb5 100644
--- a/editor/inspector_dock.cpp
+++ b/editor/inspector_dock.cpp
@@ -76,7 +76,6 @@ void InspectorDock::_menu_option(int p_option) {
editor_data->apply_changes_in_editors();
if (current)
editor_data->paste_object_params(current);
- editor_data->get_undo_redo().clear_history();
} break;
case OBJECT_UNIQUE_RESOURCES: {
diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index 72396174ee..fd522f9109 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -5393,8 +5393,8 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
editor_selection->connect("selection_changed", callable_mp((CanvasItem *)this, &CanvasItem::update));
editor_selection->connect("selection_changed", callable_mp(this, &CanvasItemEditor::_selection_changed));
- editor->call_deferred("connect", make_binds("play_pressed", Callable(this, "_update_override_camera_button"), true));
- editor->call_deferred("connect", make_binds("stop_pressed", Callable(this, "_update_override_camera_button"), false));
+ editor->call_deferred("connect", "play_pressed", Callable(this, "_update_override_camera_button"), make_binds(true));
+ editor->call_deferred("connect", "stop_pressed", Callable(this, "_update_override_camera_button"), make_binds(false));
hb = memnew(HBoxContainer);
add_child(hb);
diff --git a/modules/csg/csg.cpp b/modules/csg/csg.cpp
index 36055ce840..e9ca1d3e5b 100644
--- a/modules/csg/csg.cpp
+++ b/modules/csg/csg.cpp
@@ -29,19 +29,159 @@
/*************************************************************************/
#include "csg.h"
-#include "core/math/face3.h"
+
#include "core/math/geometry.h"
-#include "core/os/os.h"
+#include "core/math/math_funcs.h"
#include "core/sort_array.h"
-#include "thirdparty/misc/triangulator.h"
-void CSGBrush::clear() {
- faces.clear();
+// Static helper functions.
+
+inline static bool is_snapable(const Vector3 &p_point1, const Vector3 &p_point2, real_t p_distance) {
+
+ return (p_point1 - p_point2).length_squared() < p_distance * p_distance;
+}
+
+inline static Vector2 interpolate_segment_uv(const Vector2 p_segement_points[2], const Vector2 p_uvs[2], const Vector2 &p_interpolation_point) {
+
+ float segment_length = (p_segement_points[1] - p_segement_points[0]).length();
+ if (segment_length < CMP_EPSILON)
+ return p_uvs[0];
+
+ float distance = (p_interpolation_point - p_segement_points[0]).length();
+ float fraction = distance / segment_length;
+
+ return p_uvs[0].linear_interpolate(p_uvs[1], fraction);
+}
+
+inline static Vector2 interpolate_triangle_uv(const Vector2 p_vertices[3], const Vector2 p_uvs[3], const Vector2 &p_interpolation_point) {
+
+ if (p_interpolation_point.distance_squared_to(p_vertices[0]) < CMP_EPSILON2)
+ return p_uvs[0];
+ if (p_interpolation_point.distance_squared_to(p_vertices[1]) < CMP_EPSILON2)
+ return p_uvs[1];
+ if (p_interpolation_point.distance_squared_to(p_vertices[2]) < CMP_EPSILON2)
+ return p_uvs[2];
+
+ Vector2 edge1 = p_vertices[1] - p_vertices[0];
+ Vector2 edge2 = p_vertices[2] - p_vertices[0];
+ Vector2 interpolation = p_interpolation_point - p_vertices[0];
+
+ float edge1_on_edge1 = edge1.dot(edge1);
+ float edge1_on_edge2 = edge1.dot(edge2);
+ float edge2_on_edge2 = edge2.dot(edge2);
+ float inter_on_edge1 = interpolation.dot(edge1);
+ float inter_on_edge2 = interpolation.dot(edge2);
+ float scale = (edge1_on_edge1 * edge2_on_edge2 - edge1_on_edge2 * edge1_on_edge2);
+ if (scale == 0)
+ return p_uvs[0];
+
+ float v = (edge2_on_edge2 * inter_on_edge1 - edge1_on_edge2 * inter_on_edge2) / scale;
+ float w = (edge1_on_edge1 * inter_on_edge2 - edge1_on_edge2 * inter_on_edge1) / scale;
+ float u = 1.0f - v - w;
+
+ return p_uvs[0] * u + p_uvs[1] * v + p_uvs[2] * w;
+}
+
+static inline bool ray_intersects_triangle(const Vector3 &p_from, const Vector3 &p_dir, const Vector3 p_vertices[3], float p_tolerance, Vector3 &r_intersection_point) {
+
+ Vector3 edge1 = p_vertices[1] - p_vertices[0];
+ Vector3 edge2 = p_vertices[2] - p_vertices[0];
+ Vector3 h = p_dir.cross(edge2);
+ real_t a = edge1.dot(h);
+ // Check if ray is parrallel to triangle.
+ if (Math::is_zero_approx(a))
+ return false;
+ real_t f = 1.0 / a;
+
+ Vector3 s = p_from - p_vertices[0];
+ real_t u = f * s.dot(h);
+ if (u < 0.0 - p_tolerance || u > 1.0 + p_tolerance)
+ return false;
+
+ Vector3 q = s.cross(edge1);
+ real_t v = f * p_dir.dot(q);
+ if (v < 0.0 - p_tolerance || u + v > 1.0 + p_tolerance)
+ return false;
+
+ // Ray intersects triangle.
+ // Calculate distance.
+ real_t t = f * edge2.dot(q);
+ // Confirm triangle is in front of ray.
+ if (t >= p_tolerance) {
+ r_intersection_point = p_from + p_dir * t;
+ return true;
+ } else
+ return false;
+}
+
+inline bool is_point_in_triangle(const Vector3 &p_point, const Vector3 p_vertices[3], int p_shifted = 0) {
+
+ real_t det = p_vertices[0].dot(p_vertices[1].cross(p_vertices[2]));
+
+ // If determinant is, zero try shift the triangle and the point.
+ if (Math::is_zero_approx(det)) {
+ if (p_shifted > 2) {
+ // Triangle appears degenerate, so ignore it.
+ return false;
+ }
+ Vector3 shift_by;
+ shift_by[p_shifted] = 1;
+ Vector3 shifted_point = p_point + shift_by;
+ Vector3 shifted_vertices[3] = { p_vertices[0] + shift_by, p_vertices[1] + shift_by, p_vertices[2] + shift_by };
+ return is_point_in_triangle(shifted_point, shifted_vertices, p_shifted + 1);
+ }
+
+ // Find the barycentric coordinates of the point with respect to the vertices.
+ real_t lambda[3];
+ lambda[0] = p_vertices[1].cross(p_vertices[2]).dot(p_point) / det;
+ lambda[1] = p_vertices[2].cross(p_vertices[0]).dot(p_point) / det;
+ lambda[2] = p_vertices[0].cross(p_vertices[1]).dot(p_point) / det;
+
+ // Point is in the plane if all lambdas sum to 1.
+ if (!Math::is_equal_approx(lambda[0] + lambda[1] + lambda[2], 1)) return false;
+
+ // Point is inside the triangle if all lambdas are positive.
+ if (lambda[0] < 0 || lambda[1] < 0 || lambda[2] < 0) return false;
+
+ return true;
+}
+
+inline static bool are_segements_parallel(const Vector2 p_segment1_points[2], const Vector2 p_segment2_points[2], float p_vertex_snap2) {
+
+ Vector2 segment1 = p_segment1_points[1] - p_segment1_points[0];
+ Vector2 segment2 = p_segment2_points[1] - p_segment2_points[0];
+ real_t segment1_length2 = segment1.dot(segment1);
+ real_t segment2_length2 = segment2.dot(segment2);
+ real_t segment_onto_segment = segment2.dot(segment1);
+
+ if (segment1_length2 < p_vertex_snap2 || segment2_length2 < p_vertex_snap2)
+ return true;
+
+ real_t max_separation2;
+ if (segment1_length2 > segment2_length2) {
+ max_separation2 = segment2_length2 - segment_onto_segment * segment_onto_segment / segment1_length2;
+ } else {
+ max_separation2 = segment1_length2 - segment_onto_segment * segment_onto_segment / segment2_length2;
+ }
+
+ return max_separation2 < p_vertex_snap2;
+}
+
+// CSGBrush
+
+void CSGBrush::_regen_face_aabbs() {
+
+ for (int i = 0; i < faces.size(); i++) {
+ faces.write[i].aabb = AABB();
+ faces.write[i].aabb.position = faces[i].vertices[0];
+ faces.write[i].aabb.expand_to(faces[i].vertices[1]);
+ faces.write[i].aabb.expand_to(faces[i].vertices[2]);
+ }
}
void CSGBrush::build_from_faces(const Vector<Vector3> &p_vertices, const Vector<Vector2> &p_uvs, const Vector<bool> &p_smooth, const Vector<Ref<Material> > &p_materials, const Vector<bool> &p_invert_faces) {
- clear();
+ faces.clear();
int vc = p_vertices.size();
@@ -62,37 +202,42 @@ void CSGBrush::build_from_faces(const Vector<Vector3> &p_vertices, const Vector<
faces.resize(p_vertices.size() / 3);
for (int i = 0; i < faces.size(); i++) {
+
Face &f = faces.write[i];
f.vertices[0] = rv[i * 3 + 0];
f.vertices[1] = rv[i * 3 + 1];
f.vertices[2] = rv[i * 3 + 2];
+
if (uvc == vc) {
f.uvs[0] = ruv[i * 3 + 0];
f.uvs[1] = ruv[i * 3 + 1];
f.uvs[2] = ruv[i * 3 + 2];
}
- if (sc == vc / 3) {
+
+ if (sc == vc / 3)
f.smooth = rs[i];
- } else {
+ else
f.smooth = false;
- }
- if (ic == vc / 3) {
+ if (ic == vc / 3)
f.invert = ri[i];
- } else {
+ else
f.invert = false;
- }
if (mc == vc / 3) {
+
Ref<Material> mat = rm[i];
if (mat.is_valid()) {
+
const Map<Ref<Material>, int>::Element *E = material_map.find(mat);
+
if (E) {
f.material = E->get();
} else {
f.material = material_map.size();
material_map[mat] = f.material;
}
+
} else {
f.material = -1;
}
@@ -107,17 +252,6 @@ void CSGBrush::build_from_faces(const Vector<Vector3> &p_vertices, const Vector<
_regen_face_aabbs();
}
-void CSGBrush::_regen_face_aabbs() {
-
- for (int i = 0; i < faces.size(); i++) {
-
- faces.write[i].aabb.position = faces[i].vertices[0];
- faces.write[i].aabb.expand_to(faces[i].vertices[1]);
- faces.write[i].aabb.expand_to(faces[i].vertices[2]);
- faces.write[i].aabb.grow_by(faces[i].aabb.get_longest_axis_size() * 0.001); //make it a tad bigger to avoid num precision errors
- }
-}
-
void CSGBrush::copy_from(const CSGBrush &p_brush, const Transform &p_xform) {
faces = p_brush.faces;
@@ -132,908 +266,218 @@ void CSGBrush::copy_from(const CSGBrush &p_brush, const Transform &p_xform) {
_regen_face_aabbs();
}
-////////////////////////
-
-void CSGBrushOperation::BuildPoly::create(const CSGBrush *p_brush, int p_face, MeshMerge &mesh_merge, bool p_for_B) {
-
- //creates the initial face that will be used for clipping against the other faces
-
- Vector3 va[3] = {
- p_brush->faces[p_face].vertices[0],
- p_brush->faces[p_face].vertices[1],
- p_brush->faces[p_face].vertices[2],
- };
-
- plane = Plane(va[0], va[1], va[2]);
-
- to_world.origin = va[0];
-
- to_world.basis.set_axis(2, plane.normal);
- to_world.basis.set_axis(0, (va[1] - va[2]).normalized());
- to_world.basis.set_axis(1, to_world.basis.get_axis(0).cross(to_world.basis.get_axis(2)).normalized());
-
- to_poly = to_world.affine_inverse();
-
- face_index = p_face;
-
- for (int i = 0; i < 3; i++) {
-
- Point p;
- Vector3 localp = to_poly.xform(va[i]);
- p.point.x = localp.x;
- p.point.y = localp.y;
- p.uv = p_brush->faces[p_face].uvs[i];
-
- points.push_back(p);
-
- ///edge
-
- Edge e;
- e.points[0] = i;
- e.points[1] = (i + 1) % 3;
- e.outer = true;
- edges.push_back(e);
- }
-
- smooth = p_brush->faces[p_face].smooth;
- invert = p_brush->faces[p_face].invert;
-
- if (p_brush->faces[p_face].material != -1) {
- material = p_brush->materials[p_brush->faces[p_face].material];
- }
-
- base_edges = 3;
-}
-
-static Vector2 interpolate_uv(const Vector2 &p_vertex_a, const Vector2 &p_vertex_b, const Vector2 &p_vertex_c, const Vector2 &p_uv_a, const Vector2 &p_uv_c) {
-
- float len_a_c = (p_vertex_c - p_vertex_a).length();
- if (len_a_c < CMP_EPSILON) {
- return p_uv_a;
- }
-
- float len_a_b = (p_vertex_b - p_vertex_a).length();
-
- float c = len_a_b / len_a_c;
-
- return p_uv_a.linear_interpolate(p_uv_c, c);
-}
-
-static Vector2 interpolate_triangle_uv(const Vector2 &p_pos, const Vector2 *p_vtx, const Vector2 *p_uv) {
-
- if (p_pos.distance_squared_to(p_vtx[0]) < CMP_EPSILON2) {
- return p_uv[0];
- }
- if (p_pos.distance_squared_to(p_vtx[1]) < CMP_EPSILON2) {
- return p_uv[1];
- }
- if (p_pos.distance_squared_to(p_vtx[2]) < CMP_EPSILON2) {
- return p_uv[2];
- }
-
- Vector2 v0 = p_vtx[1] - p_vtx[0];
- Vector2 v1 = p_vtx[2] - p_vtx[0];
- Vector2 v2 = p_pos - p_vtx[0];
-
- float d00 = v0.dot(v0);
- float d01 = v0.dot(v1);
- float d11 = v1.dot(v1);
- float d20 = v2.dot(v0);
- float d21 = v2.dot(v1);
- float denom = (d00 * d11 - d01 * d01);
- if (denom == 0) {
- return p_uv[0];
- }
- float v = (d11 * d20 - d01 * d21) / denom;
- float w = (d00 * d21 - d01 * d20) / denom;
- float u = 1.0f - v - w;
-
- return p_uv[0] * u + p_uv[1] * v + p_uv[2] * w;
-}
-
-void CSGBrushOperation::BuildPoly::_clip_segment(const CSGBrush *p_brush, int p_face, const Vector2 *segment, MeshMerge &mesh_merge, bool p_for_B) {
+// CSGBrushOperation
- //keep track of what was inserted
- Vector<int> inserted_points;
+void CSGBrushOperation::merge_brushes(Operation p_operation, const CSGBrush &p_brush_a, const CSGBrush &p_brush_b, CSGBrush &r_merged_brush, float p_vertex_snap) {
- //keep track of point indices for what was inserted, allowing reuse of points.
- int segment_idx[2] = { -1, -1 };
-
- //check if edge and poly share a vertex, of so, assign it to segment_idx
- for (int i = 0; i < points.size(); i++) {
- for (int j = 0; j < 2; j++) {
- if (segment[j].is_equal_approx(points[i].point)) {
- segment_idx[j] = i;
- inserted_points.push_back(i);
- break;
+ // Check for face collisions and add necessary faces.
+ Build2DFaceCollection build2DFaceCollection;
+ for (int i = 0; i < p_brush_a.faces.size(); i++) {
+ for (int j = 0; j < p_brush_b.faces.size(); j++) {
+ if (p_brush_a.faces[i].aabb.intersects_inclusive(p_brush_b.faces[j].aabb)) {
+ update_faces(p_brush_a, i, p_brush_b, j, build2DFaceCollection, p_vertex_snap);
}
}
}
- //check if both segment points are shared with other vertices
- if (segment_idx[0] != -1 && segment_idx[1] != -1) {
-
- if (segment_idx[0] == segment_idx[1]) {
- return; //segment was too tiny, both mapped to same point
- }
-
- bool found = false;
-
- //check if the segment already exists
- for (int i = 0; i < edges.size(); i++) {
-
- if (
- (edges[i].points[0] == segment_idx[0] && edges[i].points[1] == segment_idx[1]) ||
- (edges[i].points[0] == segment_idx[1] && edges[i].points[1] == segment_idx[0])) {
- found = true;
- break;
- }
- }
-
- if (found) {
- //it does already exist, do nothing
- return;
- }
-
- //directly add the new segment
- Edge new_edge;
- new_edge.points[0] = segment_idx[0];
- new_edge.points[1] = segment_idx[1];
- edges.push_back(new_edge);
- return;
- }
-
- //check edge by edge against the segment points to see if intersects
-
- for (int i = 0; i < base_edges; i++) {
-
- //if a point is shared with one of the edge points, then this edge must not be tested, as it will result in a numerical precision error.
- bool edge_valid = true;
- for (int j = 0; j < 2; j++) {
-
- if (edges[i].points[0] == segment_idx[0] || edges[i].points[1] == segment_idx[1] || edges[i].points[0] == segment_idx[1] || edges[i].points[1] == segment_idx[0]) {
- edge_valid = false; //segment has this point, can't check against this
- break;
- }
- }
-
- if (!edge_valid) //already hit a point in this edge, so don't test it
- continue;
-
- //see if either points are within the edge isntead of crossing it
- Vector2 res;
- bool found = false;
- int assign_segment_id = -1;
-
- for (int j = 0; j < 2; j++) {
+ // Add faces to MeshMerge.
+ MeshMerge mesh_merge;
+ mesh_merge.vertex_snap = p_vertex_snap;
- Vector2 edgeseg[2] = { points[edges[i].points[0]].point, points[edges[i].points[1]].point };
- Vector2 closest = Geometry::get_closest_point_to_segment_2d(segment[j], edgeseg);
+ for (int i = 0; i < p_brush_a.faces.size(); i++) {
- if (closest.is_equal_approx(segment[j])) {
- //point rest of this edge
- res = closest;
- found = true;
- assign_segment_id = j;
- }
- }
-
- //test if the point crosses the edge
- if (!found && Geometry::segment_intersects_segment_2d(segment[0], segment[1], points[edges[i].points[0]].point, points[edges[i].points[1]].point, &res)) {
- //point does cross the edge
- found = true;
+ Ref<Material> material;
+ if (p_brush_a.faces[i].material != -1) {
+ material = p_brush_a.materials[p_brush_a.faces[i].material];
}
- //check whether an intersection against the segment happened
- if (found) {
-
- //It did! so first, must slice the segment
- Point new_point;
- new_point.point = res;
- //make sure to interpolate UV too
- new_point.uv = interpolate_uv(points[edges[i].points[0]].point, new_point.point, points[edges[i].points[1]].point, points[edges[i].points[0]].uv, points[edges[i].points[1]].uv);
-
- int point_idx = points.size();
- points.push_back(new_point);
-
- //split the edge in 2
- Edge new_edge;
- new_edge.points[0] = edges[i].points[0];
- new_edge.points[1] = point_idx;
- new_edge.outer = edges[i].outer;
- edges.write[i].points[0] = point_idx;
- edges.insert(i, new_edge);
- i++; //skip newly inserted edge
- base_edges++; //will need an extra one in the base triangle
- if (assign_segment_id >= 0) {
- //point did split a segment, so make sure to remember this
- segment_idx[assign_segment_id] = point_idx;
+ if (build2DFaceCollection.build2DFacesA.has(i)) {
+ build2DFaceCollection.build2DFacesA[i].addFacesToMesh(mesh_merge, p_brush_a.faces[i].smooth, p_brush_a.faces[i].invert, material, false);
+ } else {
+ Vector3 points[3];
+ Vector2 uvs[3];
+ for (int j = 0; j < 3; j++) {
+ points[j] = p_brush_a.faces[i].vertices[j];
+ uvs[j] = p_brush_a.faces[i].uvs[j];
}
- inserted_points.push_back(point_idx);
+ mesh_merge.add_face(points, uvs, p_brush_a.faces[i].smooth, p_brush_a.faces[i].invert, material, false);
}
}
- //final step: after cutting the original triangle, try to see if we can still insert
- //this segment
-
- //if already inserted two points, just use them for a segment
-
- if (inserted_points.size() >= 2) { //should never be >2 on non-manifold geometry, but cope with error
- //two points were inserted, create the new edge
- Edge new_edge;
- new_edge.points[0] = inserted_points[0];
- new_edge.points[1] = inserted_points[1];
- edges.push_back(new_edge);
- return;
- }
-
- // One or no points were inserted (besides splitting), so try to see if extra points can be placed inside the triangle.
- // This needs to be done here, after the previous tests were exhausted
- for (int i = 0; i < 2; i++) {
-
- if (segment_idx[i] != -1)
- continue; //already assigned to something, so skip
-
- //check whether one of the segment endpoints is inside the triangle. If it is, this points needs to be inserted
- if (Geometry::is_point_in_triangle(segment[i], points[0].point, points[1].point, points[2].point)) {
-
- Point new_point;
- new_point.point = segment[i];
+ for (int i = 0; i < p_brush_b.faces.size(); i++) {
- Vector2 point3[3] = { points[0].point, points[1].point, points[2].point };
- Vector2 uv3[3] = { points[0].uv, points[1].uv, points[2].uv };
-
- new_point.uv = interpolate_triangle_uv(new_point.point, point3, uv3);
-
- int point_idx = points.size();
- points.push_back(new_point);
- inserted_points.push_back(point_idx);
+ Ref<Material> material;
+ if (p_brush_b.faces[i].material != -1) {
+ material = p_brush_b.materials[p_brush_b.faces[i].material];
}
- }
-
- //check again whether two points were inserted, if so then create the new edge
- if (inserted_points.size() >= 2) { //should never be >2 on non-manifold geometry, but cope with error
- Edge new_edge;
- new_edge.points[0] = inserted_points[0];
- new_edge.points[1] = inserted_points[1];
- edges.push_back(new_edge);
- }
-}
-
-void CSGBrushOperation::BuildPoly::clip(const CSGBrush *p_brush, int p_face, MeshMerge &mesh_merge, bool p_for_B) {
-
- //Clip function.. find triangle points that will be mapped to the plane and form a segment
-
- Vector2 segment[3]; //2D
- int src_points = 0;
-
- for (int i = 0; i < 3; i++) {
- Vector3 p = p_brush->faces[p_face].vertices[i];
- if (plane.has_point(p)) {
- Vector3 pp = plane.project(p);
- pp = to_poly.xform(pp);
- segment[src_points++] = Vector2(pp.x, pp.y);
+ if (build2DFaceCollection.build2DFacesB.has(i)) {
+ build2DFaceCollection.build2DFacesB[i].addFacesToMesh(mesh_merge, p_brush_b.faces[i].smooth, p_brush_b.faces[i].invert, material, true);
} else {
- Vector3 q = p_brush->faces[p_face].vertices[(i + 1) % 3];
- if (plane.has_point(q))
- continue; //next point is in plane, will be added eventually
- if (plane.is_point_over(p) == plane.is_point_over(q))
- continue; // both on same side of the plane, don't add
-
- Vector3 res;
- if (plane.intersects_segment(p, q, &res)) {
- res = to_poly.xform(res);
- segment[src_points++] = Vector2(res.x, res.y);
- }
- }
- }
-
- //all above or all below, nothing to do. Should not happen though since a precheck was done before.
- if (src_points == 0)
- return;
-
- //just one point in plane is not worth doing anything
- if (src_points == 1)
- return;
-
- //transform A points to 2D
-
- if (segment[0].is_equal_approx(segment[1]))
- return; //too small
-
- _clip_segment(p_brush, p_face, segment, mesh_merge, p_for_B);
-}
-
-void CSGBrushOperation::_collision_callback(const CSGBrush *A, int p_face_a, Map<int, BuildPoly> &build_polys_a, const CSGBrush *B, int p_face_b, Map<int, BuildPoly> &build_polys_b, MeshMerge &mesh_merge) {
-
- //construct a frame of reference for both transforms, in order to do intersection test
- Vector3 va[3] = {
- A->faces[p_face_a].vertices[0],
- A->faces[p_face_a].vertices[1],
- A->faces[p_face_a].vertices[2],
- };
- Vector3 vb[3] = {
- B->faces[p_face_b].vertices[0],
- B->faces[p_face_b].vertices[1],
- B->faces[p_face_b].vertices[2],
- };
-
- {
- //check if either is a degenerate
- if (va[0].is_equal_approx(va[1]) || va[0].is_equal_approx(va[2]) || va[1].is_equal_approx(va[2]))
- return;
-
- if (vb[0].is_equal_approx(vb[1]) || vb[0].is_equal_approx(vb[2]) || vb[1].is_equal_approx(vb[2]))
- return;
- }
-
- {
- //check if points are the same
- int equal_count = 0;
-
- for (int i = 0; i < 3; i++) {
-
+ Vector3 points[3];
+ Vector2 uvs[3];
for (int j = 0; j < 3; j++) {
- if (va[i].distance_to(vb[j]) < mesh_merge.vertex_snap) {
- equal_count++;
- break;
- }
+ points[j] = p_brush_b.faces[i].vertices[j];
+ uvs[j] = p_brush_b.faces[i].uvs[j];
}
- }
-
- //if 2 or 3 points are the same, there is no point in doing anything. They can't
- //be clipped either, so add both.
- if (equal_count == 2 || equal_count == 3) {
- return;
+ mesh_merge.add_face(points, uvs, p_brush_b.faces[i].smooth, p_brush_b.faces[i].invert, material, true);
}
}
- // do a quick pre-check for no-intersection using the SAT theorem
-
- {
-
- //b under or over a plane
- int over_count = 0, in_plane_count = 0, under_count = 0;
- Plane plane_a(va[0], va[1], va[2]);
- if (plane_a.normal == Vector3()) {
- return; //degenerate
- }
-
- for (int i = 0; i < 3; i++) {
- if (plane_a.has_point(vb[i]))
- in_plane_count++;
- else if (plane_a.is_point_over(vb[i]))
- over_count++;
- else
- under_count++;
- }
-
- if (over_count == 0 || under_count == 0)
- return; //no intersection, something needs to be under AND over
-
- //a under or over b plane
- over_count = 0;
- under_count = 0;
- in_plane_count = 0;
-
- Plane plane_b(vb[0], vb[1], vb[2]);
- if (plane_b.normal == Vector3())
- return; //degenerate
+ // Mark faces that ended up inside the intersection.
+ mesh_merge.mark_inside_faces();
- for (int i = 0; i < 3; i++) {
- if (plane_b.has_point(va[i]))
- in_plane_count++;
- else if (plane_b.is_point_over(va[i]))
- over_count++;
- else
- under_count++;
- }
+ // Create new brush and fill with new faces.
+ r_merged_brush.faces.clear();
- if (over_count == 0 || under_count == 0)
- return; //no intersection, something needs to be under AND over
+ switch (p_operation) {
- //edge pairs (cross product combinations), see SAT theorem
+ case OPERATION_UNION: {
- for (int i = 0; i < 3; i++) {
+ int outside_count = 0;
- Vector3 axis_a = (va[i] - va[(i + 1) % 3]).normalized();
+ for (int i = 0; i < mesh_merge.faces.size(); i++) {
+ if (mesh_merge.faces[i].inside)
+ continue;
+ outside_count++;
+ }
- for (int j = 0; j < 3; j++) {
+ r_merged_brush.faces.resize(outside_count);
- Vector3 axis_b = (vb[j] - vb[(j + 1) % 3]).normalized();
+ outside_count = 0;
- Vector3 sep_axis = axis_a.cross(axis_b);
- if (sep_axis == Vector3())
- continue; //colineal
- sep_axis.normalize();
+ for (int i = 0; i < mesh_merge.faces.size(); i++) {
- real_t min_a = 1e20, max_a = -1e20;
- real_t min_b = 1e20, max_b = -1e20;
+ if (mesh_merge.faces[i].inside)
+ continue;
- for (int k = 0; k < 3; k++) {
- real_t d = sep_axis.dot(va[k]);
- min_a = MIN(min_a, d);
- max_a = MAX(max_a, d);
- d = sep_axis.dot(vb[k]);
- min_b = MIN(min_b, d);
- max_b = MAX(max_b, d);
+ for (int j = 0; j < 3; j++) {
+ r_merged_brush.faces.write[outside_count].vertices[j] = mesh_merge.points[mesh_merge.faces[i].points[j]];
+ r_merged_brush.faces.write[outside_count].uvs[j] = mesh_merge.faces[i].uvs[j];
}
- min_b -= (max_a - min_a) * 0.5;
- max_b += (max_a - min_a) * 0.5;
-
- real_t dmin = min_b - (min_a + max_a) * 0.5;
- real_t dmax = max_b - (min_a + max_a) * 0.5;
-
- if (dmin > CMP_EPSILON || dmax < -CMP_EPSILON) {
- return; //does not contain zero, so they don't overlap
- }
+ r_merged_brush.faces.write[outside_count].smooth = mesh_merge.faces[i].smooth;
+ r_merged_brush.faces.write[outside_count].invert = mesh_merge.faces[i].invert;
+ r_merged_brush.faces.write[outside_count].material = mesh_merge.faces[i].material_idx;
+ outside_count++;
}
- }
- }
-
- //if we are still here, it means they most likely intersect, so create BuildPolys if they don't exist
-
- BuildPoly *poly_a = NULL;
-
- if (!build_polys_a.has(p_face_a)) {
- BuildPoly bp;
- bp.create(A, p_face_a, mesh_merge, false);
- build_polys_a[p_face_a] = bp;
- }
-
- poly_a = &build_polys_a[p_face_a];
-
- BuildPoly *poly_b = NULL;
+ r_merged_brush._regen_face_aabbs();
- if (!build_polys_b.has(p_face_b)) {
-
- BuildPoly bp;
- bp.create(B, p_face_b, mesh_merge, true);
- build_polys_b[p_face_b] = bp;
- }
-
- poly_b = &build_polys_b[p_face_b];
-
- //clip each other, this could be improved by using vertex unique IDs (more vertices may be shared instead of using snap)
- poly_a->clip(B, p_face_b, mesh_merge, false);
- poly_b->clip(A, p_face_a, mesh_merge, true);
-}
-
-void CSGBrushOperation::_add_poly_points(const BuildPoly &p_poly, int p_edge, int p_from_point, int p_to_point, const Vector<Vector<int> > &vertex_process, Vector<bool> &edge_process, Vector<PolyPoints> &r_poly) {
-
- //this function follows the polygon points counter clockwise and adds them. It creates lists of unique polygons
- //every time an unused edge is found, it's pushed to a stack and continues from there.
-
- List<EdgeSort> edge_stack;
-
- {
- EdgeSort es;
- es.angle = 0; //won't be checked here
- es.edge = p_edge;
- es.prev_point = p_from_point;
- es.edge_point = p_to_point;
-
- edge_stack.push_back(es);
- }
-
- //attempt to empty the stack.
- while (edge_stack.size()) {
-
- EdgeSort e = edge_stack.front()->get();
- edge_stack.pop_front();
-
- if (edge_process[e.edge]) {
- //nothing to do here
- continue;
- }
-
- Vector<int> points;
- points.push_back(e.prev_point);
-
- int prev_point = e.prev_point;
- int to_point = e.edge_point;
- int current_edge = e.edge;
-
- edge_process.write[e.edge] = true; //mark as processed
-
- int limit = p_poly.points.size() * 4; //avoid infinite recursion
-
- while (to_point != e.prev_point && limit) {
-
- Vector2 segment[2] = { p_poly.points[prev_point].point, p_poly.points[to_point].point };
-
- //construct a basis transform from the segment, which will be used to check the angle
- Transform2D t2d;
- t2d[0] = (segment[1] - segment[0]).normalized(); //use as Y
- t2d[1] = Vector2(-t2d[0].y, t2d[0].x); // use as tangent
- t2d[2] = segment[1]; //origin
-
- if (t2d.basis_determinant() == 0)
- break; //abort poly
-
- t2d.affine_invert();
-
- //push all edges found here, they will be sorted by minimum angle later.
- Vector<EdgeSort> next_edges;
-
- for (int i = 0; i < vertex_process[to_point].size(); i++) {
+ } break;
- int edge = vertex_process[to_point][i];
- int opposite_point = p_poly.edges[edge].points[0] == to_point ? p_poly.edges[edge].points[1] : p_poly.edges[edge].points[0];
- if (opposite_point == prev_point)
- continue; //not going back
+ case OPERATION_INTERSECTION: {
- EdgeSort e2;
- Vector2 local_vec = t2d.xform(p_poly.points[opposite_point].point);
- e2.angle = -local_vec.angle(); //negate so we can sort by minimum angle
- e2.edge = edge;
- e2.edge_point = opposite_point;
- e2.prev_point = to_point;
+ int inside_count = 0;
- next_edges.push_back(e2);
+ for (int i = 0; i < mesh_merge.faces.size(); i++) {
+ if (!mesh_merge.faces[i].inside)
+ continue;
+ inside_count++;
}
- //finally, sort by minimum angle
- next_edges.sort();
+ r_merged_brush.faces.resize(inside_count);
- int next_point = -1;
- int next_edge = -1;
+ inside_count = 0;
- for (int i = 0; i < next_edges.size(); i++) {
+ for (int i = 0; i < mesh_merge.faces.size(); i++) {
- if (i == 0) {
- //minimum angle found is the next point
- next_point = next_edges[i].edge_point;
- next_edge = next_edges[i].edge;
+ if (!mesh_merge.faces[i].inside)
+ continue;
- } else {
- //the rest are pushed to the stack IF they were not processed yet.
- if (!edge_process[next_edges[i].edge]) {
- edge_stack.push_back(next_edges[i]);
- }
+ for (int j = 0; j < 3; j++) {
+ r_merged_brush.faces.write[inside_count].vertices[j] = mesh_merge.points[mesh_merge.faces[i].points[j]];
+ r_merged_brush.faces.write[inside_count].uvs[j] = mesh_merge.faces[i].uvs[j];
}
- }
- if (next_edge == -1) {
- //did not find anything, may be a dead-end edge (this should normally not happen)
- //just flip the direction and go back
- next_point = prev_point;
- next_edge = current_edge;
+ r_merged_brush.faces.write[inside_count].smooth = mesh_merge.faces[i].smooth;
+ r_merged_brush.faces.write[inside_count].invert = mesh_merge.faces[i].invert;
+ r_merged_brush.faces.write[inside_count].material = mesh_merge.faces[i].material_idx;
+ inside_count++;
}
- points.push_back(to_point);
-
- prev_point = to_point;
- to_point = next_point;
- edge_process.write[next_edge] = true; //mark this edge as processed
- current_edge = next_edge;
-
- limit--;
- }
-
- //if more than 2 points were added to the polygon, add it to the list of polygons.
- if (points.size() > 2) {
- PolyPoints pp;
- pp.points = points;
- r_poly.push_back(pp);
- }
- }
-}
-
-void CSGBrushOperation::_add_poly_outline(const BuildPoly &p_poly, int p_from_point, int p_to_point, const Vector<Vector<int> > &vertex_process, Vector<int> &r_outline) {
-
- //this is the opposite of the function above. It adds polygon outlines instead.
- //this is used for triangulating holes.
- //no stack is used here because only the bigger outline is interesting.
-
- r_outline.push_back(p_from_point);
+ r_merged_brush._regen_face_aabbs();
- int prev_point = p_from_point;
- int to_point = p_to_point;
-
- int limit = p_poly.points.size() * 4; //avoid infinite recursion
-
- while (to_point != p_from_point && limit) {
-
- Vector2 segment[2] = { p_poly.points[prev_point].point, p_poly.points[to_point].point };
- //again create a transform to compute the angle.
- Transform2D t2d;
- t2d[0] = (segment[1] - segment[0]).normalized(); //use as Y
- t2d[1] = Vector2(-t2d[0].y, t2d[0].x); // use as tangent
- t2d[2] = segment[1]; //origin
-
- if (t2d.basis_determinant() == 0)
- break; //abort poly
-
- t2d.affine_invert();
-
- float max_angle = 0;
- int next_point_angle = -1;
+ } break;
- for (int i = 0; i < vertex_process[to_point].size(); i++) {
+ case OPERATION_SUBSTRACTION: {
- int edge = vertex_process[to_point][i];
- int opposite_point = p_poly.edges[edge].points[0] == to_point ? p_poly.edges[edge].points[1] : p_poly.edges[edge].points[0];
- if (opposite_point == prev_point)
- continue; //not going back
+ int face_count = 0;
- float angle = -t2d.xform(p_poly.points[opposite_point].point).angle();
- if (next_point_angle == -1 || angle > max_angle) { //same as before but use greater to check.
- max_angle = angle;
- next_point_angle = opposite_point;
+ for (int i = 0; i < mesh_merge.faces.size(); i++) {
+ if (mesh_merge.faces[i].from_b && !mesh_merge.faces[i].inside)
+ continue;
+ if (!mesh_merge.faces[i].from_b && mesh_merge.faces[i].inside)
+ continue;
+ face_count++;
}
- }
-
- if (next_point_angle == -1) {
- //go back because no route found
- next_point_angle = prev_point;
- }
-
- r_outline.push_back(to_point);
- prev_point = to_point;
- to_point = next_point_angle;
-
- limit--;
- }
-}
-
-void CSGBrushOperation::_merge_poly(MeshMerge &mesh, int p_face_idx, const BuildPoly &p_poly, bool p_from_b) {
-
- //finally, merge the 2D polygon back to 3D
-
- Vector<Vector<int> > vertex_process;
- Vector<bool> edge_process;
-
- vertex_process.resize(p_poly.points.size());
- edge_process.resize(p_poly.edges.size());
-
- //none processed by default
- for (int i = 0; i < edge_process.size(); i++) {
- edge_process.write[i] = false;
- }
-
- //put edges in points, so points can go through them
- for (int i = 0; i < p_poly.edges.size(); i++) {
- vertex_process.write[p_poly.edges[i].points[0]].push_back(i);
- vertex_process.write[p_poly.edges[i].points[1]].push_back(i);
- }
- Vector<PolyPoints> polys;
+ r_merged_brush.faces.resize(face_count);
- //process points that were not processed
- for (int i = 0; i < edge_process.size(); i++) {
- if (edge_process[i])
- continue; //already processed
-
- int intersect_poly = -1;
-
- if (i > 0) {
- //this is disconnected, so it's clearly a hole. lets find where it belongs
- Vector2 ref_point = p_poly.points[p_poly.edges[i].points[0]].point;
-
- for (int j = 0; j < polys.size(); j++) {
-
- //find a point outside poly
- Vector2 out_point(-1e20, -1e20);
-
- const PolyPoints &pp = polys[j];
-
- for (int k = 0; k < pp.points.size(); k++) {
- Vector2 p = p_poly.points[pp.points[k]].point;
- out_point.x = MAX(out_point.x, p.x);
- out_point.y = MAX(out_point.y, p.y);
- }
-
- out_point += Vector2(0.12341234, 0.4123412); // move to a random place to avoid direct edge-point chances
+ face_count = 0;
- int intersections = 0;
+ for (int i = 0; i < mesh_merge.faces.size(); i++) {
- for (int k = 0; k < pp.points.size(); k++) {
- Vector2 p1 = p_poly.points[pp.points[k]].point;
- Vector2 p2 = p_poly.points[pp.points[(k + 1) % pp.points.size()]].point;
+ if (mesh_merge.faces[i].from_b && !mesh_merge.faces[i].inside)
+ continue;
+ if (!mesh_merge.faces[i].from_b && mesh_merge.faces[i].inside)
+ continue;
- if (Geometry::segment_intersects_segment_2d(ref_point, out_point, p1, p2, NULL)) {
- intersections++;
- }
+ for (int j = 0; j < 3; j++) {
+ r_merged_brush.faces.write[face_count].vertices[j] = mesh_merge.points[mesh_merge.faces[i].points[j]];
+ r_merged_brush.faces.write[face_count].uvs[j] = mesh_merge.faces[i].uvs[j];
}
- if (intersections % 2 == 1) {
- //hole is inside this poly
- intersect_poly = j;
- break;
+ if (mesh_merge.faces[i].from_b) {
+ //invert facing of insides of B
+ SWAP(r_merged_brush.faces.write[face_count].vertices[1], r_merged_brush.faces.write[face_count].vertices[2]);
+ SWAP(r_merged_brush.faces.write[face_count].uvs[1], r_merged_brush.faces.write[face_count].uvs[2]);
}
- }
- }
- if (intersect_poly != -1) {
- //must add this as a hole
- Vector<int> outline;
- _add_poly_outline(p_poly, p_poly.edges[i].points[0], p_poly.edges[i].points[1], vertex_process, outline);
-
- if (outline.size() > 1) {
- polys.write[intersect_poly].holes.push_back(outline);
+ r_merged_brush.faces.write[face_count].smooth = mesh_merge.faces[i].smooth;
+ r_merged_brush.faces.write[face_count].invert = mesh_merge.faces[i].invert;
+ r_merged_brush.faces.write[face_count].material = mesh_merge.faces[i].material_idx;
+ face_count++;
}
- }
- _add_poly_points(p_poly, i, p_poly.edges[i].points[0], p_poly.edges[i].points[1], vertex_process, edge_process, polys);
- }
-
- //get rid of holes, not the most optiomal way, but also not a common case at all to be inoptimal
- for (int i = 0; i < polys.size(); i++) {
-
- if (!polys[i].holes.size())
- continue;
-
- //repeat until no more holes are left to be merged
- while (polys[i].holes.size()) {
-
- //try to merge a hole with the outline
- bool added_hole = false;
-
- for (int j = 0; j < polys[i].holes.size(); j++) {
-
- //try hole vertices
- int with_outline_vertex = -1;
- int from_hole_vertex = -1;
-
- bool found = false;
-
- for (int k = 0; k < polys[i].holes[j].size(); k++) {
-
- int from_idx = polys[i].holes[j][k];
- Vector2 from = p_poly.points[from_idx].point;
-
- //try a segment from hole vertex to outline vertices
- from_hole_vertex = k;
-
- bool valid = true;
-
- for (int l = 0; l < polys[i].points.size(); l++) {
-
- int to_idx = polys[i].points[l];
- Vector2 to = p_poly.points[to_idx].point;
- with_outline_vertex = l;
-
- //try against outline (other points) first
-
- valid = true;
-
- for (int m = 0; m < polys[i].points.size(); m++) {
- int m_next = (m + 1) % polys[i].points.size();
- if (m == with_outline_vertex || m_next == with_outline_vertex) //do not test with edges that share this point
- continue;
+ r_merged_brush._regen_face_aabbs();
- if (Geometry::segment_intersects_segment_2d(from, to, p_poly.points[polys[i].points[m]].point, p_poly.points[polys[i].points[m_next]].point, NULL)) {
- valid = false;
- break;
- }
- }
-
- if (!valid)
- continue;
-
- //try against all holes including self
-
- for (int m = 0; m < polys[i].holes.size(); m++) {
-
- for (int n = 0; n < polys[i].holes[m].size(); n++) {
-
- int n_next = (n + 1) % polys[i].holes[m].size();
- if (m == j && (n == from_hole_vertex || n_next == from_hole_vertex)) //contains vertex being tested from current hole, skip
- continue;
-
- if (Geometry::segment_intersects_segment_2d(from, to, p_poly.points[polys[i].holes[m][n]].point, p_poly.points[polys[i].holes[m][n_next]].point, NULL)) {
- valid = false;
- break;
- }
- }
-
- if (!valid)
- break;
- }
-
- if (valid) //all passed! exit loop
- break;
- else
- continue; //something went wrong, go on.
- }
-
- if (valid) {
- found = true; //if in the end this was valid, use it
- break;
- }
- }
-
- if (found) {
-
- //hook this hole with outline, and remove from list of holes
-
- //duplicate point
- int insert_at = with_outline_vertex;
- int point = polys[i].points[insert_at];
- polys.write[i].points.insert(insert_at, point);
- insert_at++;
- //insert all others, outline should be backwards (must check)
- int holesize = polys[i].holes[j].size();
- for (int k = 0; k <= holesize; k++) {
- int idx = (from_hole_vertex + k) % holesize;
- int point2 = polys[i].holes[j][idx];
- polys.write[i].points.insert(insert_at, point2);
- insert_at++;
- }
-
- added_hole = true;
- polys.write[i].holes.remove(j);
- break; //got rid of hole, break and continue
- }
- }
-
- ERR_BREAK(!added_hole);
- }
+ } break;
}
- //triangulate polygons
-
- for (int i = 0; i < polys.size(); i++) {
-
- Vector<Vector2> vertices;
- vertices.resize(polys[i].points.size());
- for (int j = 0; j < vertices.size(); j++) {
- vertices.write[j] = p_poly.points[polys[i].points[j]].point;
- }
-
- Vector<int> indices = Geometry::triangulate_polygon(vertices);
-
- for (int j = 0; j < indices.size(); j += 3) {
-
- //obtain the vertex
-
- Vector3 face[3];
- Vector2 uv[3];
- float cp = Geometry::vec2_cross(p_poly.points[polys[i].points[indices[j + 0]]].point, p_poly.points[polys[i].points[indices[j + 1]]].point, p_poly.points[polys[i].points[indices[j + 2]]].point);
- if (Math::abs(cp) < CMP_EPSILON)
- continue;
-
- for (int k = 0; k < 3; k++) {
-
- Vector2 p = p_poly.points[polys[i].points[indices[j + k]]].point;
- face[k] = p_poly.to_world.xform(Vector3(p.x, p.y, 0));
- uv[k] = p_poly.points[polys[i].points[indices[j + k]]].uv;
- }
-
- mesh.add_face(face[0], face[1], face[2], uv[0], uv[1], uv[2], p_poly.smooth, p_poly.invert, p_poly.material, p_from_b);
- }
+ // Update the list of materials.
+ r_merged_brush.materials.resize(mesh_merge.materials.size());
+ for (const Map<Ref<Material>, int>::Element *E = mesh_merge.materials.front(); E; E = E->next()) {
+ r_merged_brush.materials.write[E->get()] = E->key();
}
}
-//use a limit to speed up bvh and limit the depth
+// CSGBrushOperation::MeshMerge
+
+// Use a limit to speed up bvh and limit the depth.
#define BVH_LIMIT 8
-int CSGBrushOperation::MeshMerge::_create_bvh(BVH *p_bvh, BVH **p_bb, int p_from, int p_size, int p_depth, int &max_depth, int &max_alloc) {
+int CSGBrushOperation::MeshMerge::_create_bvh(FaceBVH *facebvhptr, FaceBVH **facebvhptrptr, int p_from, int p_size, int p_depth, int &r_max_depth, int &r_max_alloc) {
- if (p_depth > max_depth) {
- max_depth = p_depth;
+ if (p_depth > r_max_depth) {
+ r_max_depth = p_depth;
}
if (p_size == 0) {
-
return -1;
- } else if (p_size <= BVH_LIMIT) {
+ }
+ if (p_size <= BVH_LIMIT) {
for (int i = 0; i < p_size - 1; i++) {
- p_bb[p_from + i]->next = p_bb[p_from + i + 1] - p_bvh;
+ facebvhptrptr[p_from + i]->next = facebvhptrptr[p_from + i + 1] - facebvhptr;
}
- return p_bb[p_from] - p_bvh;
+ return facebvhptrptr[p_from] - facebvhptr;
}
AABB aabb;
- aabb = p_bb[p_from]->aabb;
+ aabb = facebvhptrptr[p_from]->aabb;
for (int i = 1; i < p_size; i++) {
-
- aabb.merge_with(p_bb[p_from + i]->aabb);
+ aabb.merge_with(facebvhptrptr[p_from + i]->aabb);
}
int li = aabb.get_longest_axis_index();
@@ -1041,28 +485,29 @@ int CSGBrushOperation::MeshMerge::_create_bvh(BVH *p_bvh, BVH **p_bb, int p_from
switch (li) {
case Vector3::AXIS_X: {
- SortArray<BVH *, BVHCmpX> sort_x;
- sort_x.nth_element(0, p_size, p_size / 2, &p_bb[p_from]);
+ SortArray<FaceBVH *, FaceBVHCmpX> sort_x;
+ sort_x.nth_element(0, p_size, p_size / 2, &facebvhptrptr[p_from]);
//sort_x.sort(&p_bb[p_from],p_size);
} break;
+
case Vector3::AXIS_Y: {
- SortArray<BVH *, BVHCmpY> sort_y;
- sort_y.nth_element(0, p_size, p_size / 2, &p_bb[p_from]);
+ SortArray<FaceBVH *, FaceBVHCmpY> sort_y;
+ sort_y.nth_element(0, p_size, p_size / 2, &facebvhptrptr[p_from]);
//sort_y.sort(&p_bb[p_from],p_size);
} break;
+
case Vector3::AXIS_Z: {
- SortArray<BVH *, BVHCmpZ> sort_z;
- sort_z.nth_element(0, p_size, p_size / 2, &p_bb[p_from]);
+ SortArray<FaceBVH *, FaceBVHCmpZ> sort_z;
+ sort_z.nth_element(0, p_size, p_size / 2, &facebvhptrptr[p_from]);
//sort_z.sort(&p_bb[p_from],p_size);
-
} break;
}
- int left = _create_bvh(p_bvh, p_bb, p_from, p_size / 2, p_depth + 1, max_depth, max_alloc);
- int right = _create_bvh(p_bvh, p_bb, p_from + p_size / 2, p_size - p_size / 2, p_depth + 1, max_depth, max_alloc);
+ int left = _create_bvh(facebvhptr, facebvhptrptr, p_from, p_size / 2, p_depth + 1, r_max_depth, r_max_alloc);
+ int right = _create_bvh(facebvhptr, facebvhptrptr, p_from + p_size / 2, p_size - p_size / 2, p_depth + 1, r_max_depth, r_max_alloc);
- int index = max_alloc++;
- BVH *_new = &p_bvh[index];
+ int index = r_max_alloc++;
+ FaceBVH *_new = &facebvhptr[index];
_new->aabb = aabb;
_new->center = aabb.position + aabb.size * 0.5;
_new->face = -1;
@@ -1073,7 +518,27 @@ int CSGBrushOperation::MeshMerge::_create_bvh(BVH *p_bvh, BVH **p_bb, int p_from
return index;
}
-int CSGBrushOperation::MeshMerge::_bvh_count_intersections(BVH *bvhptr, int p_max_depth, int p_bvh_first, const Vector3 &p_begin, const Vector3 &p_end, int p_exclude) const {
+void CSGBrushOperation::MeshMerge::_add_distance(List<real_t> &r_intersectionsA, List<real_t> &r_intersectionsB, bool p_from_B, real_t p_distance) const {
+
+ List<real_t> &intersections = p_from_B ? r_intersectionsB : r_intersectionsA;
+
+ // Check if distance exists.
+ for (const List<real_t>::Element *E = intersections.front(); E; E = E->next())
+ if (Math::abs(**E - p_distance) < vertex_snap) return;
+
+ intersections.push_back(p_distance);
+}
+
+bool CSGBrushOperation::MeshMerge::_bvh_inside(FaceBVH *facebvhptr, int p_max_depth, int p_bvh_first, int p_face_idx) const {
+
+ Face face = faces[p_face_idx];
+ Vector3 face_points[3] = {
+ points[face.points[0]],
+ points[face.points[1]],
+ points[face.points[2]]
+ };
+ Vector3 face_center = (face_points[0] + face_points[1] + face_points[2]) / 3.0;
+ Vector3 face_normal = Plane(face_points[0], face_points[1], face_points[2]).normal;
uint32_t *stack = (uint32_t *)alloca(sizeof(int) * p_max_depth);
@@ -1084,54 +549,58 @@ int CSGBrushOperation::MeshMerge::_bvh_count_intersections(BVH *bvhptr, int p_ma
VISIT_DONE_BIT = 3,
VISITED_BIT_SHIFT = 29,
NODE_IDX_MASK = (1 << VISITED_BIT_SHIFT) - 1,
- VISITED_BIT_MASK = ~NODE_IDX_MASK,
-
+ VISITED_BIT_MASK = ~NODE_IDX_MASK
};
- int intersections = 0;
+ List<real_t> intersectionsA;
+ List<real_t> intersectionsB;
int level = 0;
-
- const Vector3 *vertexptr = points.ptr();
- const Face *facesptr = faces.ptr();
- AABB segment_aabb;
- segment_aabb.position = p_begin;
- segment_aabb.expand_to(p_end);
-
int pos = p_bvh_first;
-
stack[0] = pos;
+
while (true) {
uint32_t node = stack[level] & NODE_IDX_MASK;
- const BVH &b = bvhptr[node];
+ const FaceBVH *current_facebvhptr = &(facebvhptr[node]);
bool done = false;
switch (stack[level] >> VISITED_BIT_SHIFT) {
- case TEST_AABB_BIT: {
-
- if (b.face >= 0) {
-
- const BVH *bp = &b;
- while (bp) {
-
- bool valid = segment_aabb.intersects(bp->aabb) && bp->aabb.intersects_segment(p_begin, p_end);
-
- if (valid && p_exclude != bp->face) {
- const Face &s = facesptr[bp->face];
- Face3 f3(vertexptr[s.points[0]], vertexptr[s.points[1]], vertexptr[s.points[2]]);
-
- Vector3 res;
+ case TEST_AABB_BIT: {
- if (f3.intersects_segment(p_begin, p_end, &res)) {
- intersections++;
+ if (current_facebvhptr->face >= 0) {
+
+ while (current_facebvhptr) {
+
+ if (p_face_idx != current_facebvhptr->face &&
+ current_facebvhptr->aabb.intersects_ray(face_center, face_normal)) {
+
+ const Face &current_face = faces[current_facebvhptr->face];
+ Vector3 current_points[3] = {
+ points[current_face.points[0]],
+ points[current_face.points[1]],
+ points[current_face.points[2]]
+ };
+ Vector3 current_normal = Plane(current_points[0], current_points[1], current_points[2]).normal;
+ Vector3 intersection_point;
+
+ // Check if faces are co-planar.
+ if ((current_normal - face_normal).length_squared() < CMP_EPSILON2 &&
+ is_point_in_triangle(face_center, current_points)) {
+ // Only add an intersection if checking a B face.
+ if (face.from_b)
+ _add_distance(intersectionsA, intersectionsB, current_face.from_b, 0);
+ } else if (ray_intersects_triangle(face_center, face_normal, current_points, CMP_EPSILON, intersection_point)) {
+ real_t distance = (intersection_point - face_center).length();
+ _add_distance(intersectionsA, intersectionsB, current_face.from_b, distance);
}
}
- if (bp->next != -1) {
- bp = &bvhptr[bp->next];
+
+ if (current_facebvhptr->next != -1) {
+ current_facebvhptr = &facebvhptr[current_facebvhptr->next];
} else {
- bp = NULL;
+ current_facebvhptr = nullptr;
}
}
@@ -1139,32 +608,33 @@ int CSGBrushOperation::MeshMerge::_bvh_count_intersections(BVH *bvhptr, int p_ma
} else {
- bool valid = segment_aabb.intersects(b.aabb) && b.aabb.intersects_segment(p_begin, p_end);
+ bool valid = current_facebvhptr->aabb.intersects_ray(face_center, face_normal);
if (!valid) {
-
stack[level] = (VISIT_DONE_BIT << VISITED_BIT_SHIFT) | node;
-
} else {
stack[level] = (VISIT_LEFT_BIT << VISITED_BIT_SHIFT) | node;
}
}
continue;
}
+
case VISIT_LEFT_BIT: {
stack[level] = (VISIT_RIGHT_BIT << VISITED_BIT_SHIFT) | node;
- stack[level + 1] = b.left | TEST_AABB_BIT;
+ stack[level + 1] = current_facebvhptr->left | TEST_AABB_BIT;
level++;
continue;
}
+
case VISIT_RIGHT_BIT: {
stack[level] = (VISIT_DONE_BIT << VISITED_BIT_SHIFT) | node;
- stack[level + 1] = b.right | TEST_AABB_BIT;
+ stack[level + 1] = current_facebvhptr->right | TEST_AABB_BIT;
level++;
continue;
}
+
case VISIT_DONE_BIT: {
if (level == 0) {
@@ -1180,130 +650,112 @@ int CSGBrushOperation::MeshMerge::_bvh_count_intersections(BVH *bvhptr, int p_ma
break;
}
- return intersections;
+ // Inside if face normal intersects other faces an odd number of times.
+ return (intersectionsA.size() + intersectionsB.size()) & 1;
}
void CSGBrushOperation::MeshMerge::mark_inside_faces() {
- // mark faces that are inside. This helps later do the boolean ops when merging.
- // this approach is very brute force (with a bunch of optimizatios, such as BVH and pre AABB intersection test)
+ // Mark faces that are inside. This helps later do the boolean ops when merging.
+ // This approach is very brute force with a bunch of optimizations,
+ // such as BVH and pre AABB intersection test.
- AABB aabb;
+ Vector<FaceBVH> bvhvec;
+ bvhvec.resize(faces.size() * 3); // Will never be larger than this (TODO: Make better)
+ FaceBVH *facebvh = bvhvec.ptrw();
- for (int i = 0; i < points.size(); i++) {
- if (i == 0) {
- aabb.position = points[i];
- } else {
- aabb.expand_to(points[i]);
- }
- }
-
- float max_distance = aabb.size.length() * 1.2;
-
- Vector<BVH> bvhvec;
- bvhvec.resize(faces.size() * 3); //will never be larger than this (todo make better)
- BVH *bvh = bvhvec.ptrw();
-
- AABB faces_a;
- AABB faces_b;
+ AABB aabb_a;
+ AABB aabb_b;
bool first_a = true;
bool first_b = true;
for (int i = 0; i < faces.size(); i++) {
- bvh[i].left = -1;
- bvh[i].right = -1;
- bvh[i].face = i;
- bvh[i].aabb.position = points[faces[i].points[0]];
- bvh[i].aabb.expand_to(points[faces[i].points[1]]);
- bvh[i].aabb.expand_to(points[faces[i].points[2]]);
- bvh[i].center = bvh[i].aabb.position + bvh[i].aabb.size * 0.5;
- bvh[i].next = -1;
+ facebvh[i].left = -1;
+ facebvh[i].right = -1;
+ facebvh[i].face = i;
+ facebvh[i].aabb.position = points[faces[i].points[0]];
+ facebvh[i].aabb.expand_to(points[faces[i].points[1]]);
+ facebvh[i].aabb.expand_to(points[faces[i].points[2]]);
+ facebvh[i].center = facebvh[i].aabb.position + facebvh[i].aabb.size * 0.5;
+ facebvh[i].aabb.grow_by(vertex_snap);
+ facebvh[i].next = -1;
+
if (faces[i].from_b) {
if (first_b) {
- faces_b = bvh[i].aabb;
+ aabb_b = facebvh[i].aabb;
first_b = false;
} else {
- faces_b.merge_with(bvh[i].aabb);
+ aabb_b.merge_with(facebvh[i].aabb);
}
} else {
if (first_a) {
- faces_a = bvh[i].aabb;
+ aabb_a = facebvh[i].aabb;
first_a = false;
} else {
- faces_a.merge_with(bvh[i].aabb);
+ aabb_a.merge_with(facebvh[i].aabb);
}
}
}
- AABB intersection_aabb = faces_a.intersection(faces_b);
- intersection_aabb.grow_by(intersection_aabb.get_longest_axis_size() * 0.01); //grow a little, avoid numerical error
+ AABB intersection_aabb = aabb_a.intersection(aabb_b);
- if (intersection_aabb.size == Vector3()) //AABB do not intersect, so neither do shapes.
+ // Check if shape AABBs intersect.
+ if (intersection_aabb.size == Vector3())
return;
- Vector<BVH *> bvhtrvec;
+ Vector<FaceBVH *> bvhtrvec;
bvhtrvec.resize(faces.size());
- BVH **bvhptr = bvhtrvec.ptrw();
+ FaceBVH **bvhptr = bvhtrvec.ptrw();
for (int i = 0; i < faces.size(); i++) {
-
- bvhptr[i] = &bvh[i];
+ bvhptr[i] = &facebvh[i];
}
int max_depth = 0;
int max_alloc = faces.size();
- _create_bvh(bvh, bvhptr, 0, faces.size(), 1, max_depth, max_alloc);
+ _create_bvh(facebvh, bvhptr, 0, faces.size(), 1, max_depth, max_alloc);
for (int i = 0; i < faces.size(); i++) {
- if (!intersection_aabb.intersects(bvh[i].aabb))
- continue; //not in AABB intersection, so not in face intersection
- Vector3 center = points[faces[i].points[0]];
- center += points[faces[i].points[1]];
- center += points[faces[i].points[2]];
- center /= 3.0;
-
- Plane plane(points[faces[i].points[0]], points[faces[i].points[1]], points[faces[i].points[2]]);
- Vector3 target = center + plane.normal * max_distance + Vector3(0.0001234, 0.000512, 0.00013423); //reduce chance of edge hits by doing a small increment
-
- int intersections = _bvh_count_intersections(bvh, max_depth, max_alloc - 1, center, target, i);
+ // Check if face AABB intersects the intersection AABB.
+ if (!intersection_aabb.intersects_inclusive(facebvh[i].aabb))
+ continue;
- if (intersections & 1) {
+ if (_bvh_inside(facebvh, max_depth, max_alloc - 1, i))
faces.write[i].inside = true;
- }
}
}
-void CSGBrushOperation::MeshMerge::add_face(const Vector3 &p_a, const Vector3 &p_b, const Vector3 &p_c, const Vector2 &p_uv_a, const Vector2 &p_uv_b, const Vector2 &p_uv_c, bool p_smooth, bool p_invert, const Ref<Material> &p_material, bool p_from_b) {
+void CSGBrushOperation::MeshMerge::add_face(const Vector3 p_points[], const Vector2 p_uvs[], bool p_smooth, bool p_invert, const Ref<Material> &p_material, bool p_from_b) {
- Vector3 src_points[3] = { p_a, p_b, p_c };
- Vector2 src_uvs[3] = { p_uv_a, p_uv_b, p_uv_c };
int indices[3];
for (int i = 0; i < 3; i++) {
VertexKey vk;
- vk.x = int((double(src_points[i].x) + double(vertex_snap) * 0.31234) / double(vertex_snap));
- vk.y = int((double(src_points[i].y) + double(vertex_snap) * 0.31234) / double(vertex_snap));
- vk.z = int((double(src_points[i].z) + double(vertex_snap) * 0.31234) / double(vertex_snap));
+ vk.x = int((double(p_points[i].x) + double(vertex_snap) * 0.31234) / double(vertex_snap));
+ vk.y = int((double(p_points[i].y) + double(vertex_snap) * 0.31234) / double(vertex_snap));
+ vk.z = int((double(p_points[i].z) + double(vertex_snap) * 0.31234) / double(vertex_snap));
int res;
if (snap_cache.lookup(vk, res)) {
indices[i] = res;
} else {
indices[i] = points.size();
- points.push_back(src_points[i]);
+ points.push_back(p_points[i]);
snap_cache.set(vk, indices[i]);
}
}
+ // Don't add degenerate faces.
if (indices[0] == indices[2] || indices[0] == indices[1] || indices[1] == indices[2])
- return; //not adding degenerate
+ return;
MeshMerge::Face face;
face.from_b = p_from_b;
face.inside = false;
face.smooth = p_smooth;
face.invert = p_invert;
+
if (p_material.is_valid()) {
if (!materials.has(p_material)) {
face.material_idx = materials.size();
@@ -1316,205 +768,708 @@ void CSGBrushOperation::MeshMerge::add_face(const Vector3 &p_a, const Vector3 &p
}
for (int k = 0; k < 3; k++) {
-
face.points[k] = indices[k];
- face.uvs[k] = src_uvs[k];
- ;
+ face.uvs[k] = p_uvs[k];
}
faces.push_back(face);
}
-void CSGBrushOperation::merge_brushes(Operation p_operation, const CSGBrush &p_A, const CSGBrush &p_B, CSGBrush &result, float p_snap) {
+// CSGBrushOperation::Build2DFaces
- CallbackData cd;
- cd.self = this;
- cd.A = &p_A;
- cd.B = &p_B;
+int CSGBrushOperation::Build2DFaces::_get_point_idx(const Vector2 &p_point) {
- MeshMerge mesh_merge;
- mesh_merge.vertex_snap = p_snap;
-
- //check intersections between faces. Use AABB to speed up precheck
- //this generates list of buildpolys and clips them.
- //this was originally BVH optimized, but its not really worth it.
- for (int i = 0; i < p_A.faces.size(); i++) {
- cd.face_a = i;
- for (int j = 0; j < p_B.faces.size(); j++) {
- if (p_A.faces[i].aabb.intersects(p_B.faces[j].aabb)) {
- _collision_callback(&p_A, i, cd.build_polys_A, &p_B, j, cd.build_polys_B, mesh_merge);
- }
- }
+ for (int vertex_idx = 0; vertex_idx < vertices.size(); ++vertex_idx) {
+ if ((p_point - vertices[vertex_idx].point).length_squared() < vertex_snap2)
+ return vertex_idx;
}
+ return -1;
+}
- //merge the already cliped polys back to 3D
- for (Map<int, BuildPoly>::Element *E = cd.build_polys_A.front(); E; E = E->next()) {
- _merge_poly(mesh_merge, E->key(), E->get(), false);
- }
+int CSGBrushOperation::Build2DFaces::_add_vertex(const Vertex2D &p_vertex) {
- for (Map<int, BuildPoly>::Element *E = cd.build_polys_B.front(); E; E = E->next()) {
- _merge_poly(mesh_merge, E->key(), E->get(), true);
- }
+ // Check if vertex exists.
+ int vertex_id = _get_point_idx(p_vertex.point);
+ if (vertex_id != -1) return vertex_id;
- //merge the non clipped faces back
+ vertices.push_back(p_vertex);
+ return vertices.size() - 1;
+}
- for (int i = 0; i < p_A.faces.size(); i++) {
+void CSGBrushOperation::Build2DFaces::_add_vertex_idx_sorted(Vector<int> &r_vertex_indices, int p_new_vertex_index) {
- if (cd.build_polys_A.has(i))
- continue; //made from buildpoly, skipping
+ if (p_new_vertex_index >= 0 && r_vertex_indices.find(p_new_vertex_index) == -1) {
+ ERR_FAIL_COND_MSG(p_new_vertex_index >= vertices.size(), "Invalid vertex index.");
- Vector3 points[3];
- Vector2 uvs[3];
- for (int j = 0; j < 3; j++) {
- points[j] = p_A.faces[i].vertices[j];
- uvs[j] = p_A.faces[i].uvs[j];
- }
- Ref<Material> material;
- if (p_A.faces[i].material != -1) {
- material = p_A.materials[p_A.faces[i].material];
+ // The first vertex.
+ if (r_vertex_indices.size() == 0) {
+ // Simply add it.
+ r_vertex_indices.push_back(p_new_vertex_index);
+ return;
}
- mesh_merge.add_face(points[0], points[1], points[2], uvs[0], uvs[1], uvs[2], p_A.faces[i].smooth, p_A.faces[i].invert, material, false);
- }
- for (int i = 0; i < p_B.faces.size(); i++) {
+ // The second vertex.
+ if (r_vertex_indices.size() == 1) {
- if (cd.build_polys_B.has(i))
- continue; //made from buildpoly, skipping
+ Vector2 first_point = vertices[r_vertex_indices[0]].point;
+ Vector2 new_point = vertices[p_new_vertex_index].point;
- Vector3 points[3];
- Vector2 uvs[3];
- for (int j = 0; j < 3; j++) {
- points[j] = p_B.faces[i].vertices[j];
- uvs[j] = p_B.faces[i].uvs[j];
+ // Sort along the axis with the greatest difference.
+ int axis = 0;
+ if (Math::abs(new_point.x - first_point.x) < Math::abs(new_point.y - first_point.y)) axis = 1;
+
+ // Add it to the beginnig or the end appropriately.
+ if (new_point[axis] < first_point[axis])
+ r_vertex_indices.insert(0, p_new_vertex_index);
+ else
+ r_vertex_indices.push_back(p_new_vertex_index);
+
+ return;
}
- Ref<Material> material;
- if (p_B.faces[i].material != -1) {
- material = p_B.materials[p_B.faces[i].material];
+
+ // Third or later vertices.
+ Vector2 first_point = vertices[r_vertex_indices[0]].point;
+ Vector2 last_point = vertices[r_vertex_indices[r_vertex_indices.size() - 1]].point;
+ Vector2 new_point = vertices[p_new_vertex_index].point;
+
+ // Determine axis being sorted against i.e. the axis with the greatest difference.
+ int axis = 0;
+ if (Math::abs(last_point.x - first_point.x) < Math::abs(last_point.y - first_point.y)) axis = 1;
+
+ // Insert the point at the appropriate index.
+ for (int insert_idx = 0; insert_idx < r_vertex_indices.size(); ++insert_idx) {
+ Vector2 insert_point = vertices[r_vertex_indices[insert_idx]].point;
+ if (new_point[axis] < insert_point[axis]) {
+ r_vertex_indices.insert(insert_idx, p_new_vertex_index);
+ return;
+ }
}
- mesh_merge.add_face(points[0], points[1], points[2], uvs[0], uvs[1], uvs[2], p_B.faces[i].smooth, p_B.faces[i].invert, material, true);
+
+ // New largest, add it to the end.
+ r_vertex_indices.push_back(p_new_vertex_index);
}
+}
- //mark faces that ended up inside the intersection
- mesh_merge.mark_inside_faces();
+void CSGBrushOperation::Build2DFaces::_merge_faces(const Vector<int> &p_segment_indices) {
- //regen new brush to start filling it again
- result.clear();
+ int segments = p_segment_indices.size() - 1;
+ if (segments < 2) return;
- switch (p_operation) {
+ // Faces around an inner vertex are merged by moving the inner vertex to the first vertex.
+ for (int sorted_idx = 1; sorted_idx < segments; ++sorted_idx) {
- case OPERATION_UNION: {
+ int closest_idx = 0;
+ int inner_idx = p_segment_indices[sorted_idx];
- int outside_count = 0;
+ if (sorted_idx > segments / 2) {
+ // Merge to other segment end.
+ closest_idx = segments;
+ // Reverse the merge order.
+ inner_idx = p_segment_indices[segments + segments / 2 - sorted_idx];
+ }
- for (int i = 0; i < mesh_merge.faces.size(); i++) {
- if (mesh_merge.faces[i].inside)
- continue;
+ // Find the mergable faces.
+ Vector<int> merge_faces_idx;
+ Vector<Face2D> merge_faces;
+ Vector<int> merge_faces_inner_vertex_idx;
+ for (int face_idx = 0; face_idx < faces.size(); ++face_idx) {
+ for (int face_vertex_idx = 0; face_vertex_idx < 3; ++face_vertex_idx) {
+ if (faces[face_idx].vertex_idx[face_vertex_idx] == inner_idx) {
+ merge_faces_idx.push_back(face_idx);
+ merge_faces.push_back(faces[face_idx]);
+ merge_faces_inner_vertex_idx.push_back(face_vertex_idx);
+ }
+ }
+ }
- outside_count++;
+ Vector<int> degenerate_points;
+
+ // Create the new faces.
+ for (int merge_idx = 0; merge_idx < merge_faces.size(); ++merge_idx) {
+
+ int outer_edge_idx[2];
+ outer_edge_idx[0] = merge_faces[merge_idx].vertex_idx[(merge_faces_inner_vertex_idx[merge_idx] + 1) % 3];
+ outer_edge_idx[1] = merge_faces[merge_idx].vertex_idx[(merge_faces_inner_vertex_idx[merge_idx] + 2) % 3];
+
+ // Skip flattened faces.
+ if (outer_edge_idx[0] == p_segment_indices[closest_idx] ||
+ outer_edge_idx[1] == p_segment_indices[closest_idx]) continue;
+
+ //Don't create degenerate triangles.
+ Vector2 edge1[2] = {
+ vertices[outer_edge_idx[0]].point,
+ vertices[p_segment_indices[closest_idx]].point
+ };
+ Vector2 edge2[2] = {
+ vertices[outer_edge_idx[1]].point,
+ vertices[p_segment_indices[closest_idx]].point
+ };
+ if (are_segements_parallel(edge1, edge2, vertex_snap2)) {
+ degenerate_points.push_back(outer_edge_idx[0]);
+ degenerate_points.push_back(outer_edge_idx[1]);
+ continue;
}
- result.faces.resize(outside_count);
+ // Create new faces.
+ Face2D new_face;
+ new_face.vertex_idx[0] = p_segment_indices[closest_idx];
+ new_face.vertex_idx[1] = outer_edge_idx[0];
+ new_face.vertex_idx[2] = outer_edge_idx[1];
+ faces.push_back(new_face);
+ }
- outside_count = 0;
+ // Delete the old faces in reverse index order.
+ merge_faces_idx.sort();
+ merge_faces_idx.invert();
+ for (int i = 0; i < merge_faces_idx.size(); ++i)
+ faces.remove(merge_faces_idx[i]);
+
+ if (degenerate_points.size() == 0) continue;
+
+ // Split faces using degenerate points.
+ for (int face_idx = 0; face_idx < faces.size(); ++face_idx) {
+
+ Face2D face = faces[face_idx];
+ Vertex2D face_vertices[3] = {
+ vertices[face.vertex_idx[0]],
+ vertices[face.vertex_idx[1]],
+ vertices[face.vertex_idx[2]]
+ };
+ Vector2 face_points[3] = {
+ face_vertices[0].point,
+ face_vertices[1].point,
+ face_vertices[2].point
+ };
+
+ for (int point_idx = 0; point_idx < degenerate_points.size(); ++point_idx) {
+
+ int degenerate_idx = degenerate_points[point_idx];
+ Vector2 point_2D = vertices[degenerate_idx].point;
+
+ // Check if point is existing face vertex.
+ bool existing = false;
+ for (int i = 0; i < 3; ++i) {
+ if ((point_2D - face_vertices[i].point).length_squared() < vertex_snap2) {
+ existing = true;
+ break;
+ }
+ }
+ if (existing) continue;
- for (int i = 0; i < mesh_merge.faces.size(); i++) {
- if (mesh_merge.faces[i].inside)
- continue;
- for (int j = 0; j < 3; j++) {
- result.faces.write[outside_count].vertices[j] = mesh_merge.points[mesh_merge.faces[i].points[j]];
- result.faces.write[outside_count].uvs[j] = mesh_merge.faces[i].uvs[j];
+ // Check if point is on an each edge.
+ for (int face_edge_idx = 0; face_edge_idx < 3; ++face_edge_idx) {
+
+ Vector2 edge_points[2] = {
+ face_points[face_edge_idx],
+ face_points[(face_edge_idx + 1) % 3]
+ };
+ Vector2 closest_point = Geometry::get_closest_point_to_segment_2d(point_2D, edge_points);
+
+ if ((closest_point - point_2D).length_squared() < vertex_snap2) {
+
+ int opposite_vertex_idx = face.vertex_idx[(face_edge_idx + 2) % 3];
+
+ // If new vertex snaps to degenerate vertex, just delete this face.
+ if (degenerate_idx == opposite_vertex_idx) {
+ faces.remove(face_idx);
+ // Update index.
+ --face_idx;
+ break;
+ }
+
+ // Create two new faces around the new edge and remove this face.
+ // The new edge is the last edge.
+ Face2D left_face;
+ left_face.vertex_idx[0] = degenerate_idx;
+ left_face.vertex_idx[1] = face.vertex_idx[(face_edge_idx + 1) % 3];
+ left_face.vertex_idx[2] = opposite_vertex_idx;
+ Face2D right_face;
+ right_face.vertex_idx[0] = opposite_vertex_idx;
+ right_face.vertex_idx[1] = face.vertex_idx[face_edge_idx];
+ right_face.vertex_idx[2] = degenerate_idx;
+ faces.remove(face_idx);
+ faces.insert(face_idx, right_face);
+ faces.insert(face_idx, left_face);
+
+ // Don't check against the new faces.
+ ++face_idx;
+
+ // No need to check other edges.
+ break;
+ }
}
+ }
+ }
+ }
+}
- result.faces.write[outside_count].smooth = mesh_merge.faces[i].smooth;
- result.faces.write[outside_count].invert = mesh_merge.faces[i].invert;
- result.faces.write[outside_count].material = mesh_merge.faces[i].material_idx;
- outside_count++;
+void CSGBrushOperation::Build2DFaces::_find_edge_intersections(const Vector2 p_segment_points[2], Vector<int> &r_segment_indices) {
+
+ // For each face.
+ for (int face_idx = 0; face_idx < faces.size(); ++face_idx) {
+
+ Face2D face = faces[face_idx];
+ Vertex2D face_vertices[3] = {
+ vertices[face.vertex_idx[0]],
+ vertices[face.vertex_idx[1]],
+ vertices[face.vertex_idx[2]]
+ };
+
+ // Check each edge.
+ for (int face_edge_idx = 0; face_edge_idx < 3; ++face_edge_idx) {
+
+ Vector2 edge_points[2] = {
+ face_vertices[face_edge_idx].point,
+ face_vertices[(face_edge_idx + 1) % 3].point
+ };
+ Vector2 edge_uvs[2] = {
+ face_vertices[face_edge_idx].uv,
+ face_vertices[(face_edge_idx + 1) % 3].uv
+ };
+ Vector2 intersection_point;
+
+ // First check if the ends of the segment are on the edge.
+ bool on_edge = false;
+ for (int edge_point_idx = 0; edge_point_idx < 2; ++edge_point_idx) {
+ intersection_point = Geometry::get_closest_point_to_segment_2d(p_segment_points[edge_point_idx], edge_points);
+ if ((intersection_point - p_segment_points[edge_point_idx]).length_squared() < vertex_snap2) {
+ on_edge = true;
+ break;
+ }
}
- result._regen_face_aabbs();
+ // Else check if the segment intersects the edge.
+ if (on_edge || Geometry::segment_intersects_segment_2d(p_segment_points[0], p_segment_points[1], edge_points[0], edge_points[1], &intersection_point)) {
+
+ // Check if intersection point is an edge point.
+ if ((intersection_point - edge_points[0]).length_squared() < vertex_snap2 ||
+ (intersection_point - edge_points[1]).length_squared() < vertex_snap2) continue;
+
+ // Check if edge exists, by checking if the intersecting segment is parallel to the edge.
+ if (are_segements_parallel(p_segment_points, edge_points, vertex_snap2)) continue;
+
+ // Add the intersection point as a new vertex.
+ Vertex2D new_vertex;
+ new_vertex.point = intersection_point;
+ new_vertex.uv = interpolate_segment_uv(edge_points, edge_uvs, intersection_point);
+ int new_vertex_idx = _add_vertex(new_vertex);
+ int opposite_vertex_idx = face.vertex_idx[(face_edge_idx + 2) % 3];
+ _add_vertex_idx_sorted(r_segment_indices, new_vertex_idx);
+
+ // If new vertex snaps to opposite vertex, just delete this face.
+ if (new_vertex_idx == opposite_vertex_idx) {
+ faces.remove(face_idx);
+ // Update index.
+ --face_idx;
+ break;
+ }
- } break;
- case OPERATION_INTERSECTION: {
+ // Don't create degenerate triangles.
+ Vector2 split_edge1[2] = { vertices[new_vertex_idx].point, edge_points[0] };
+ Vector2 split_edge2[2] = { vertices[new_vertex_idx].point, edge_points[1] };
+ Vector2 new_edge[2] = { vertices[new_vertex_idx].point, vertices[opposite_vertex_idx].point };
+ if (are_segements_parallel(split_edge1, new_edge, vertex_snap2) &&
+ are_segements_parallel(split_edge2, new_edge, vertex_snap2)) {
+ break;
+ }
- int inside_count = 0;
+ // If opposite point is on the segemnt, add its index to segment indices too.
+ Vector2 closest_point = Geometry::get_closest_point_to_segment_2d(vertices[opposite_vertex_idx].point, p_segment_points);
+ if ((closest_point - vertices[opposite_vertex_idx].point).length_squared() < vertex_snap2)
+ _add_vertex_idx_sorted(r_segment_indices, opposite_vertex_idx);
+
+ // Create two new faces around the new edge and remove this face.
+ // The new edge is the last edge.
+ Face2D left_face;
+ left_face.vertex_idx[0] = new_vertex_idx;
+ left_face.vertex_idx[1] = face.vertex_idx[(face_edge_idx + 1) % 3];
+ left_face.vertex_idx[2] = opposite_vertex_idx;
+ Face2D right_face;
+ right_face.vertex_idx[0] = opposite_vertex_idx;
+ right_face.vertex_idx[1] = face.vertex_idx[face_edge_idx];
+ right_face.vertex_idx[2] = new_vertex_idx;
+ faces.remove(face_idx);
+ faces.insert(face_idx, right_face);
+ faces.insert(face_idx, left_face);
+
+ // Check against the new faces.
+ --face_idx;
+ break;
+ }
+ }
+ }
+}
- for (int i = 0; i < mesh_merge.faces.size(); i++) {
- if (!mesh_merge.faces[i].inside)
- continue;
+int CSGBrushOperation::Build2DFaces::_insert_point(const Vector2 &p_point) {
+
+ int new_vertex_idx = -1;
+
+ for (int face_idx = 0; face_idx < faces.size(); ++face_idx) {
+
+ Face2D face = faces[face_idx];
+ Vertex2D face_vertices[3] = {
+ vertices[face.vertex_idx[0]],
+ vertices[face.vertex_idx[1]],
+ vertices[face.vertex_idx[2]]
+ };
+ Vector2 points[3] = {
+ face_vertices[0].point,
+ face_vertices[1].point,
+ face_vertices[2].point
+ };
+ Vector2 uvs[3] = {
+ face_vertices[0].uv,
+ face_vertices[1].uv,
+ face_vertices[2].uv
+ };
+
+ // Check if point is existing face vertex.
+ for (int i = 0; i < 3; ++i) {
+ if ((p_point - face_vertices[i].point).length_squared() < vertex_snap2)
+ return face.vertex_idx[i];
+ }
- inside_count++;
- }
+ // Check if point is on an each edge.
+ bool on_edge = false;
+ for (int face_edge_idx = 0; face_edge_idx < 3; ++face_edge_idx) {
+
+ Vector2 edge_points[2] = {
+ points[face_edge_idx],
+ points[(face_edge_idx + 1) % 3]
+ };
+ Vector2 edge_uvs[2] = {
+ uvs[face_edge_idx],
+ uvs[(face_edge_idx + 1) % 3]
+ };
+
+ Vector2 closest_point = Geometry::get_closest_point_to_segment_2d(p_point, edge_points);
+ if ((closest_point - p_point).length_squared() < vertex_snap2) {
+ on_edge = true;
+
+ // Add the point as a new vertex.
+ Vertex2D new_vertex;
+ new_vertex.point = p_point;
+ new_vertex.uv = interpolate_segment_uv(edge_points, edge_uvs, p_point);
+ new_vertex_idx = _add_vertex(new_vertex);
+ int opposite_vertex_idx = face.vertex_idx[(face_edge_idx + 2) % 3];
+
+ // If new vertex snaps to opposite vertex, just delete this face.
+ if (new_vertex_idx == opposite_vertex_idx) {
+ faces.remove(face_idx);
+ // Update index.
+ --face_idx;
+ break;
+ }
- result.faces.resize(inside_count);
+ // Don't create degenerate triangles.
+ Vector2 split_edge1[2] = { vertices[new_vertex_idx].point, edge_points[0] };
+ Vector2 split_edge2[2] = { vertices[new_vertex_idx].point, edge_points[1] };
+ Vector2 new_edge[2] = { vertices[new_vertex_idx].point, vertices[opposite_vertex_idx].point };
+ if (are_segements_parallel(split_edge1, new_edge, vertex_snap2) &&
+ are_segements_parallel(split_edge2, new_edge, vertex_snap2)) {
+ break;
+ }
- inside_count = 0;
+ // Create two new faces around the new edge and remove this face.
+ // The new edge is the last edge.
+ Face2D left_face;
+ left_face.vertex_idx[0] = new_vertex_idx;
+ left_face.vertex_idx[1] = face.vertex_idx[(face_edge_idx + 1) % 3];
+ left_face.vertex_idx[2] = opposite_vertex_idx;
+ Face2D right_face;
+ right_face.vertex_idx[0] = opposite_vertex_idx;
+ right_face.vertex_idx[1] = face.vertex_idx[face_edge_idx];
+ right_face.vertex_idx[2] = new_vertex_idx;
+ faces.remove(face_idx);
+ faces.insert(face_idx, right_face);
+ faces.insert(face_idx, left_face);
+
+ // Don't check against the new faces.
+ ++face_idx;
+
+ // No need to check other edges.
+ break;
+ }
+ }
- for (int i = 0; i < mesh_merge.faces.size(); i++) {
- if (!mesh_merge.faces[i].inside)
+ // If not on an edge, check if the point is inside the face.
+ if (!on_edge && Geometry::is_point_in_triangle(p_point, face_vertices[0].point, face_vertices[1].point, face_vertices[2].point)) {
+
+ // Add the point as a new vertex.
+ Vertex2D new_vertex;
+ new_vertex.point = p_point;
+ new_vertex.uv = interpolate_triangle_uv(points, uvs, p_point);
+ new_vertex_idx = _add_vertex(new_vertex);
+
+ // Create three new faces around this point and remove this face.
+ // The new vertex is the last vertex.
+ for (int i = 0; i < 3; ++i) {
+
+ // Don't create degenerate triangles.
+ Vector2 edge[2] = { points[i], points[(i + 1) % 3] };
+ Vector2 new_edge1[2] = { vertices[new_vertex_idx].point, points[i] };
+ Vector2 new_edge2[2] = { vertices[new_vertex_idx].point, points[(i + 1) % 3] };
+ if (are_segements_parallel(edge, new_edge1, vertex_snap2) &&
+ are_segements_parallel(edge, new_edge2, vertex_snap2)) {
continue;
- for (int j = 0; j < 3; j++) {
- result.faces.write[inside_count].vertices[j] = mesh_merge.points[mesh_merge.faces[i].points[j]];
- result.faces.write[inside_count].uvs[j] = mesh_merge.faces[i].uvs[j];
}
- result.faces.write[inside_count].smooth = mesh_merge.faces[i].smooth;
- result.faces.write[inside_count].invert = mesh_merge.faces[i].invert;
- result.faces.write[inside_count].material = mesh_merge.faces[i].material_idx;
- inside_count++;
+ Face2D new_face;
+ new_face.vertex_idx[0] = face.vertex_idx[i];
+ new_face.vertex_idx[1] = face.vertex_idx[(i + 1) % 3];
+ new_face.vertex_idx[2] = new_vertex_idx;
+ faces.push_back(new_face);
}
+ faces.remove(face_idx);
- result._regen_face_aabbs();
+ // No need to check other faces.
+ break;
+ }
+ }
- } break;
- case OPERATION_SUBSTRACTION: {
+ return new_vertex_idx;
+}
- int face_count = 0;
+void CSGBrushOperation::Build2DFaces::insert(const CSGBrush &p_brush, int p_face_idx) {
- for (int i = 0; i < mesh_merge.faces.size(); i++) {
- if (mesh_merge.faces[i].from_b && !mesh_merge.faces[i].inside)
- continue;
- if (!mesh_merge.faces[i].from_b && mesh_merge.faces[i].inside)
- continue;
+ // Find edge points that cross the plane and face points that are in the plane.
+ // Map those points to 2D.
+ // Create new faces from those points.
- face_count++;
+ Vector2 points_2D[3];
+ int points_count = 0;
+
+ for (int i = 0; i < 3; i++) {
+
+ Vector3 point_3D = p_brush.faces[p_face_idx].vertices[i];
+
+ if (plane.has_point(point_3D)) {
+ // Point is in the plane, add it.
+ Vector3 point_2D = plane.project(point_3D);
+ point_2D = to_2D.xform(point_2D);
+ points_2D[points_count++] = Vector2(point_2D.x, point_2D.y);
+
+ } else {
+
+ Vector3 next_point_3D = p_brush.faces[p_face_idx].vertices[(i + 1) % 3];
+
+ if (plane.has_point(next_point_3D))
+ continue; // Next point is in plane, it will be added separately.
+ if (plane.is_point_over(point_3D) == plane.is_point_over(next_point_3D))
+ continue; // Both points on the same side of the plane, ignore.
+
+ // Edge crosses the plane, find and add the intersection point.
+ Vector3 point_2D;
+ if (plane.intersects_segment(point_3D, next_point_3D, &point_2D)) {
+ point_2D = to_2D.xform(point_2D);
+ points_2D[points_count++] = Vector2(point_2D.x, point_2D.y);
}
+ }
+ }
- result.faces.resize(face_count);
+ Vector<int> segment_indices;
+ Vector2 segment[2];
+ int inserted_index[3] = { -1, -1, -1 };
- face_count = 0;
+ // Insert points.
+ for (int i = 0; i < points_count; ++i) {
+ inserted_index[i] = _insert_point(points_2D[i]);
+ }
- for (int i = 0; i < mesh_merge.faces.size(); i++) {
+ if (points_count == 2) {
+ // Insert a single segment.
+ segment[0] = points_2D[0];
+ segment[1] = points_2D[1];
+ _find_edge_intersections(segment, segment_indices);
+ for (int i = 0; i < 2; ++i) {
+ _add_vertex_idx_sorted(segment_indices, inserted_index[i]);
+ }
+ _merge_faces(segment_indices);
+ }
- if (mesh_merge.faces[i].from_b && !mesh_merge.faces[i].inside)
- continue;
- if (!mesh_merge.faces[i].from_b && mesh_merge.faces[i].inside)
- continue;
+ if (points_count == 3) {
+ // Insert three segments.
+ for (int edge_idx = 0; edge_idx < 3; ++edge_idx) {
+ segment[0] = points_2D[edge_idx];
+ segment[1] = points_2D[(edge_idx + 1) % 3];
+ _find_edge_intersections(segment, segment_indices);
+ for (int i = 0; i < 2; ++i) {
+ _add_vertex_idx_sorted(segment_indices, inserted_index[(edge_idx + i) % 3]);
+ }
+ _merge_faces(segment_indices);
+ segment_indices.clear();
+ }
+ }
+}
- for (int j = 0; j < 3; j++) {
- result.faces.write[face_count].vertices[j] = mesh_merge.points[mesh_merge.faces[i].points[j]];
- result.faces.write[face_count].uvs[j] = mesh_merge.faces[i].uvs[j];
- }
+void CSGBrushOperation::Build2DFaces::addFacesToMesh(MeshMerge &r_mesh_merge, bool p_smooth, bool p_invert, const Ref<Material> &p_material, bool p_from_b) {
- if (mesh_merge.faces[i].from_b) {
- //invert facing of insides of B
- SWAP(result.faces.write[face_count].vertices[1], result.faces.write[face_count].vertices[2]);
- SWAP(result.faces.write[face_count].uvs[1], result.faces.write[face_count].uvs[2]);
+ for (int face_idx = 0; face_idx < faces.size(); ++face_idx) {
+ Face2D face = faces[face_idx];
+ Vertex2D fv[3] = {
+ vertices[face.vertex_idx[0]],
+ vertices[face.vertex_idx[1]],
+ vertices[face.vertex_idx[2]]
+ };
+
+ // Convert 2D vertex points to 3D.
+ Vector3 points_3D[3];
+ Vector2 uvs[3];
+ for (int i = 0; i < 3; ++i) {
+ Vector3 point_2D(fv[i].point.x, fv[i].point.y, 0);
+ points_3D[i] = to_3D.xform(point_2D);
+ uvs[i] = fv[i].uv;
+ }
+
+ r_mesh_merge.add_face(points_3D, uvs, p_smooth, p_invert, p_material, p_from_b);
+ }
+}
+
+CSGBrushOperation::Build2DFaces::Build2DFaces(const CSGBrush &p_brush, int p_face_idx, float p_vertex_snap2) :
+ vertex_snap2(p_vertex_snap2 * p_vertex_snap2) {
+
+ // Convert 3D vertex points to 2D.
+ Vector3 points_3D[3] = {
+ p_brush.faces[p_face_idx].vertices[0],
+ p_brush.faces[p_face_idx].vertices[1],
+ p_brush.faces[p_face_idx].vertices[2],
+ };
+
+ plane = Plane(points_3D[0], points_3D[1], points_3D[2]);
+ to_3D.origin = points_3D[0];
+ to_3D.basis.set_axis(2, plane.normal);
+ to_3D.basis.set_axis(0, (points_3D[1] - points_3D[2]).normalized());
+ to_3D.basis.set_axis(1, to_3D.basis.get_axis(0).cross(to_3D.basis.get_axis(2)).normalized());
+ to_2D = to_3D.affine_inverse();
+
+ Face2D face;
+ for (int i = 0; i < 3; i++) {
+ Vertex2D vertex;
+ Vector3 point_2D = to_2D.xform(points_3D[i]);
+ vertex.point.x = point_2D.x;
+ vertex.point.y = point_2D.y;
+ vertex.uv = p_brush.faces[p_face_idx].uvs[i];
+ vertices.push_back(vertex);
+ face.vertex_idx[i] = i;
+ }
+ faces.push_back(face);
+}
+
+void CSGBrushOperation::update_faces(const CSGBrush &p_brush_a, const int p_face_idx_a, const CSGBrush &p_brush_b, const int p_face_idx_b, Build2DFaceCollection &p_collection, float p_vertex_snap) {
+
+ Vector3 vertices_a[3] = {
+ p_brush_a.faces[p_face_idx_a].vertices[0],
+ p_brush_a.faces[p_face_idx_a].vertices[1],
+ p_brush_a.faces[p_face_idx_a].vertices[2],
+ };
+
+ Vector3 vertices_b[3] = {
+ p_brush_b.faces[p_face_idx_b].vertices[0],
+ p_brush_b.faces[p_face_idx_b].vertices[1],
+ p_brush_b.faces[p_face_idx_b].vertices[2],
+ };
+
+ // Don't use degenerate faces.
+ bool has_degenerate = false;
+ if (is_snapable(vertices_a[0], vertices_a[1], p_vertex_snap) ||
+ is_snapable(vertices_a[0], vertices_a[2], p_vertex_snap) ||
+ is_snapable(vertices_a[1], vertices_a[2], p_vertex_snap)) {
+ p_collection.build2DFacesA[p_face_idx_a] = Build2DFaces();
+ has_degenerate = true;
+ }
+
+ if (is_snapable(vertices_b[0], vertices_b[1], p_vertex_snap) ||
+ is_snapable(vertices_b[0], vertices_b[2], p_vertex_snap) ||
+ is_snapable(vertices_b[1], vertices_b[2], p_vertex_snap)) {
+ p_collection.build2DFacesB[p_face_idx_b] = Build2DFaces();
+ has_degenerate = true;
+ }
+ if (has_degenerate) return;
+
+ // Ensure B has points either side of or in the plane of A.
+ int in_plane_count = 0, over_count = 0, under_count = 0;
+ Plane plane_a(vertices_a[0], vertices_a[1], vertices_a[2]);
+ ERR_FAIL_COND_MSG(plane_a.normal == Vector3(), "Couldn't form plane from Brush A face.");
+
+ for (int i = 0; i < 3; i++) {
+ if (plane_a.has_point(vertices_b[i]))
+ in_plane_count++;
+ else if (plane_a.is_point_over(vertices_b[i]))
+ over_count++;
+ else
+ under_count++;
+ }
+ // If all points under or over the plane, there is no intesection.
+ if (over_count == 3 || under_count == 3) return;
+
+ // Ensure A has points either side of or in the plane of B.
+ in_plane_count = 0;
+ over_count = 0;
+ under_count = 0;
+ Plane plane_b(vertices_b[0], vertices_b[1], vertices_b[2]);
+ ERR_FAIL_COND_MSG(plane_b.normal == Vector3(), "Couldn't form plane from Brush B face.");
+
+ for (int i = 0; i < 3; i++) {
+ if (plane_b.has_point(vertices_a[i]))
+ in_plane_count++;
+ else if (plane_b.is_point_over(vertices_a[i]))
+ over_count++;
+ else
+ under_count++;
+ }
+ // If all points under or over the plane, there is no intesection.
+ if (over_count == 3 || under_count == 3) return;
+
+ // Check for intersection using the SAT theorem.
+ {
+
+ // Edge pair cross product combinations.
+ for (int i = 0; i < 3; i++) {
+
+ Vector3 axis_a = (vertices_a[i] - vertices_a[(i + 1) % 3]).normalized();
+
+ for (int j = 0; j < 3; j++) {
+
+ Vector3 axis_b = (vertices_b[j] - vertices_b[(j + 1) % 3]).normalized();
+
+ Vector3 sep_axis = axis_a.cross(axis_b);
+ if (sep_axis == Vector3())
+ continue; //colineal
+ sep_axis.normalize();
+
+ real_t min_a = 1e20, max_a = -1e20;
+ real_t min_b = 1e20, max_b = -1e20;
+
+ for (int k = 0; k < 3; k++) {
+ real_t d = sep_axis.dot(vertices_a[k]);
+ min_a = MIN(min_a, d);
+ max_a = MAX(max_a, d);
+ d = sep_axis.dot(vertices_b[k]);
+ min_b = MIN(min_b, d);
+ max_b = MAX(max_b, d);
}
- result.faces.write[face_count].smooth = mesh_merge.faces[i].smooth;
- result.faces.write[face_count].invert = mesh_merge.faces[i].invert;
- result.faces.write[face_count].material = mesh_merge.faces[i].material_idx;
- face_count++;
- }
+ min_b -= (max_a - min_a) * 0.5;
+ max_b += (max_a - min_a) * 0.5;
- result._regen_face_aabbs();
+ real_t dmin = min_b - (min_a + max_a) * 0.5;
+ real_t dmax = max_b - (min_a + max_a) * 0.5;
- } break;
+ if (dmin > CMP_EPSILON || dmax < -CMP_EPSILON) {
+ return; // Does not contain zero, so they don't overlap.
+ }
+ }
+ }
}
- //updatelist of materials
- result.materials.resize(mesh_merge.materials.size());
- for (const Map<Ref<Material>, int>::Element *E = mesh_merge.materials.front(); E; E = E->next()) {
- result.materials.write[E->get()] = E->key();
+ // If we're still here, the faces probably intersect, so add new faces.
+ if (!p_collection.build2DFacesA.has(p_face_idx_a)) {
+ p_collection.build2DFacesA[p_face_idx_a] = Build2DFaces(p_brush_a, p_face_idx_a, p_vertex_snap);
+ }
+ p_collection.build2DFacesA[p_face_idx_a].insert(p_brush_b, p_face_idx_b);
+
+ if (!p_collection.build2DFacesB.has(p_face_idx_b)) {
+ p_collection.build2DFacesB[p_face_idx_b] = Build2DFaces(p_brush_b, p_face_idx_b, p_vertex_snap);
}
+ p_collection.build2DFacesB[p_face_idx_b].insert(p_brush_a, p_face_idx_a);
}
diff --git a/modules/csg/csg.h b/modules/csg/csg.h
index 472a96d5df..bb83c84cb5 100644
--- a/modules/csg/csg.h
+++ b/modules/csg/csg.h
@@ -31,20 +31,21 @@
#ifndef CSG_H
#define CSG_H
+#include "core/list.h"
#include "core/map.h"
#include "core/math/aabb.h"
#include "core/math/plane.h"
-#include "core/math/rect2.h"
#include "core/math/transform.h"
+#include "core/math/vector2.h"
#include "core/math/vector3.h"
#include "core/oa_hash_map.h"
-
+#include "core/reference.h"
+#include "core/vector.h"
#include "scene/resources/material.h"
struct CSGBrush {
struct Face {
-
Vector3 vertices[3];
Vector2 uvs[3];
AABB aabb;
@@ -56,12 +57,11 @@ struct CSGBrush {
Vector<Face> faces;
Vector<Ref<Material> > materials;
- void _regen_face_aabbs();
- //create a brush from faces
+ inline void _regen_face_aabbs();
+
+ // Create a brush from faces.
void build_from_faces(const Vector<Vector3> &p_vertices, const Vector<Vector2> &p_uvs, const Vector<bool> &p_smooth, const Vector<Ref<Material> > &p_materials, const Vector<bool> &p_invert_faces);
void copy_from(const CSGBrush &p_brush, const Transform &p_xform);
-
- void clear();
};
struct CSGBrushOperation {
@@ -70,12 +70,23 @@ struct CSGBrushOperation {
OPERATION_UNION,
OPERATION_INTERSECTION,
OPERATION_SUBSTRACTION,
-
};
+ void merge_brushes(Operation p_operation, const CSGBrush &p_brush_a, const CSGBrush &p_brush_b, CSGBrush &r_merged_brush, float p_vertex_snap);
+
struct MeshMerge {
- struct BVH {
+ struct Face {
+ bool from_b;
+ bool inside;
+ int points[3];
+ Vector2 uvs[3];
+ bool smooth;
+ bool invert;
+ int material_idx;
+ };
+
+ struct FaceBVH {
int face;
int left;
int right;
@@ -84,32 +95,23 @@ struct CSGBrushOperation {
AABB aabb;
};
- struct BVHCmpX {
-
- bool operator()(const BVH *p_left, const BVH *p_right) const {
-
+ struct FaceBVHCmpX {
+ _FORCE_INLINE_ bool operator()(const FaceBVH *p_left, const FaceBVH *p_right) const {
return p_left->center.x < p_right->center.x;
}
};
- struct BVHCmpY {
-
- bool operator()(const BVH *p_left, const BVH *p_right) const {
-
+ struct FaceBVHCmpY {
+ _FORCE_INLINE_ bool operator()(const FaceBVH *p_left, const FaceBVH *p_right) const {
return p_left->center.y < p_right->center.y;
}
};
- struct BVHCmpZ {
-
- bool operator()(const BVH *p_left, const BVH *p_right) const {
-
+ struct FaceBVHCmpZ {
+ _FORCE_INLINE_ bool operator()(const FaceBVH *p_left, const FaceBVH *p_right) const {
return p_left->center.z < p_right->center.z;
}
};
- int _bvh_count_intersections(BVH *bvhptr, int p_max_depth, int p_bvh_first, const Vector3 &p_begin, const Vector3 &p_end, int p_exclude) const;
- int _create_bvh(BVH *p_bvh, BVH **p_bb, int p_from, int p_size, int p_depth, int &max_depth, int &max_alloc);
-
struct VertexKey {
int32_t x, y, z;
_FORCE_INLINE_ bool operator<(const VertexKey &p_key) const {
@@ -138,99 +140,59 @@ struct CSGBrushOperation {
}
};
- OAHashMap<VertexKey, int, VertexKeyHash> snap_cache;
-
Vector<Vector3> points;
-
- struct Face {
- bool from_b;
- bool inside;
- int points[3];
- Vector2 uvs[3];
- bool smooth;
- bool invert;
- int material_idx;
- };
-
Vector<Face> faces;
-
Map<Ref<Material>, int> materials;
-
Map<Vector3, int> vertex_map;
- void add_face(const Vector3 &p_a, const Vector3 &p_b, const Vector3 &p_c, const Vector2 &p_uv_a, const Vector2 &p_uv_b, const Vector2 &p_uv_c, bool p_smooth, bool p_invert, const Ref<Material> &p_material, bool p_from_b);
- // void add_face(const Vector3 &p_a, const Vector3 &p_b, const Vector3 &p_c, bool p_from_b);
-
+ OAHashMap<VertexKey, int, VertexKeyHash> snap_cache;
float vertex_snap;
+
+ inline void _add_distance(List<real_t> &r_intersectionsA, List<real_t> &r_intersectionsB, bool p_from_B, real_t p_distance) const;
+ inline bool _bvh_inside(FaceBVH *facebvhptr, int p_max_depth, int p_bvh_first, int p_face_idx) const;
+ inline int _create_bvh(FaceBVH *facebvhptr, FaceBVH **facebvhptrptr, int p_from, int p_size, int p_depth, int &r_max_depth, int &r_max_alloc);
+
+ void add_face(const Vector3 p_points[3], const Vector2 p_uvs[3], bool p_smooth, bool p_invert, const Ref<Material> &p_material, bool p_from_b);
void mark_inside_faces();
};
- struct BuildPoly {
+ struct Build2DFaces {
- Plane plane;
- Transform to_poly;
- Transform to_world;
- int face_index;
-
- struct Point {
+ struct Vertex2D {
Vector2 point;
Vector2 uv;
};
- Vector<Point> points;
-
- struct Edge {
- bool outer;
- int points[2];
- Edge() {
- outer = false;
- }
+ struct Face2D {
+ int vertex_idx[3];
};
- Vector<Edge> edges;
- Ref<Material> material;
- bool smooth;
- bool invert;
-
- int base_edges; //edges from original triangle, even if split
-
- void _clip_segment(const CSGBrush *p_brush, int p_face, const Vector2 *segment, MeshMerge &mesh_merge, bool p_for_B);
-
- void create(const CSGBrush *p_brush, int p_face, MeshMerge &mesh_merge, bool p_for_B);
- void clip(const CSGBrush *p_brush, int p_face, MeshMerge &mesh_merge, bool p_for_B);
- };
-
- struct PolyPoints {
-
- Vector<int> points;
-
- Vector<Vector<int> > holes;
- };
-
- struct EdgeSort {
- int edge;
- int prev_point;
- int edge_point;
- float angle;
- bool operator<(const EdgeSort &p_edge) const { return angle < p_edge.angle; }
+ Vector<Vertex2D> vertices;
+ Vector<Face2D> faces;
+ Plane plane;
+ Transform to_2D;
+ Transform to_3D;
+ float vertex_snap2;
+
+ inline int _get_point_idx(const Vector2 &p_point);
+ inline int _add_vertex(const Vertex2D &p_vertex);
+ inline void _add_vertex_idx_sorted(Vector<int> &r_vertex_indices, int p_new_vertex_index);
+ inline void _merge_faces(const Vector<int> &p_segment_indices);
+ inline void _find_edge_intersections(const Vector2 p_segment_points[2], Vector<int> &r_segment_indices);
+ inline int _insert_point(const Vector2 &p_point);
+
+ void insert(const CSGBrush &p_brush, int p_brush_face);
+ void addFacesToMesh(MeshMerge &r_mesh_merge, bool p_smooth, bool p_invert, const Ref<Material> &p_material, bool p_from_b);
+
+ Build2DFaces() {}
+ Build2DFaces(const CSGBrush &p_brush, int p_brush_face, float p_vertex_snap2);
};
- struct CallbackData {
- const CSGBrush *A;
- const CSGBrush *B;
- int face_a;
- CSGBrushOperation *self;
- Map<int, BuildPoly> build_polys_A;
- Map<int, BuildPoly> build_polys_B;
+ struct Build2DFaceCollection {
+ Map<int, Build2DFaces> build2DFacesA;
+ Map<int, Build2DFaces> build2DFacesB;
};
- void _add_poly_points(const BuildPoly &p_poly, int p_edge, int p_from_point, int p_to_point, const Vector<Vector<int> > &vertex_process, Vector<bool> &edge_process, Vector<PolyPoints> &r_poly);
- void _add_poly_outline(const BuildPoly &p_poly, int p_from_point, int p_to_point, const Vector<Vector<int> > &vertex_process, Vector<int> &r_outline);
- void _merge_poly(MeshMerge &mesh, int p_face_idx, const BuildPoly &p_poly, bool p_from_b);
-
- void _collision_callback(const CSGBrush *A, int p_face_a, Map<int, BuildPoly> &build_polys_a, const CSGBrush *B, int p_face_b, Map<int, BuildPoly> &build_polys_b, MeshMerge &mesh_merge);
-
- static void _collision_callbacks(void *ud, int p_face_b);
- void merge_brushes(Operation p_operation, const CSGBrush &p_A, const CSGBrush &p_B, CSGBrush &result, float p_snap = 0.001);
+ void update_faces(const CSGBrush &p_brush_a, const int p_face_idx_a, const CSGBrush &p_brush_b, const int p_face_idx_b, Build2DFaceCollection &p_collection, float p_vertex_snap);
};
#endif // CSG_H
diff --git a/servers/visual/rasterizer_rd/rasterizer_effects_rd.cpp b/servers/visual/rasterizer_rd/rasterizer_effects_rd.cpp
index be9f1901a7..f4d59e9e54 100644
--- a/servers/visual/rasterizer_rd/rasterizer_effects_rd.cpp
+++ b/servers/visual/rasterizer_rd/rasterizer_effects_rd.cpp
@@ -773,15 +773,26 @@ void RasterizerEffectsRD::cubemap_downsample(RID p_source_cubemap, bool p_source
void RasterizerEffectsRD::cubemap_filter(RID p_source_cubemap, Vector<RID> p_dest_cubemap, bool p_use_array) {
+ Vector<RD::Uniform> uniforms;
+ for (int i = 0; i < p_dest_cubemap.size(); i++) {
+ RD::Uniform u;
+ u.type = RD::UNIFORM_TYPE_IMAGE;
+ u.binding = i;
+ u.ids.push_back(p_dest_cubemap[i]);
+ uniforms.push_back(u);
+ }
+ if (RD::get_singleton()->uniform_set_is_valid(filter.image_uniform_set)) {
+ RD::get_singleton()->free(filter.image_uniform_set);
+ }
+ filter.image_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, filter.shader.version_get_shader(filter.shader_version, 0), 2);
+
int pipeline = p_use_array ? FILTER_MODE_HIGH_QUALITY_ARRAY : FILTER_MODE_HIGH_QUALITY;
pipeline = filter.use_high_quality ? pipeline : pipeline + 1;
RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, filter.pipelines[pipeline]);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_source_cubemap, true), 0);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, filter.uniform_set, 1);
- for (int i = 0; i < p_dest_cubemap.size(); i++) {
- RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_dest_cubemap[i]), i + 2);
- }
+ RD::get_singleton()->compute_list_bind_uniform_set(compute_list, filter.image_uniform_set, 2);
int x_groups = p_use_array ? 1792 : 342; // (128 * 128 * 7) / 64 : (128*128 + 64*64 + 32*32 + 16*16 + 8*8 + 4*4 + 2*2) / 64
@@ -1062,9 +1073,18 @@ RasterizerEffectsRD::RasterizerEffectsRD() {
}
RasterizerEffectsRD::~RasterizerEffectsRD() {
+ if (RD::get_singleton()->uniform_set_is_valid(filter.image_uniform_set)) {
+ RD::get_singleton()->free(filter.image_uniform_set);
+ }
+
+ if (RD::get_singleton()->uniform_set_is_valid(filter.image_uniform_set)) {
+ RD::get_singleton()->free(filter.uniform_set);
+ }
+
RD::get_singleton()->free(default_sampler);
RD::get_singleton()->free(default_mipmap_sampler);
RD::get_singleton()->free(index_buffer); //array gets freed as dependency
+ RD::get_singleton()->free(filter.coefficient_buffer);
blur.shader.version_free(blur.shader_version);
roughness.shader.version_free(roughness.shader_version);
sky.shader.version_free(sky.shader_version);
@@ -1078,5 +1098,4 @@ RasterizerEffectsRD::~RasterizerEffectsRD() {
roughness_limiter.shader.version_free(roughness_limiter.shader_version);
cubemap_downsampler.shader.version_free(cubemap_downsampler.shader_version);
filter.shader.version_free(filter.shader_version);
- RD::get_singleton()->free(filter.coefficient_buffer);
}
diff --git a/servers/visual/rasterizer_rd/rasterizer_effects_rd.h b/servers/visual/rasterizer_rd/rasterizer_effects_rd.h
index 003ea33516..8ec202c399 100644
--- a/servers/visual/rasterizer_rd/rasterizer_effects_rd.h
+++ b/servers/visual/rasterizer_rd/rasterizer_effects_rd.h
@@ -391,6 +391,7 @@ class RasterizerEffectsRD {
RID shader_version;
RID pipelines[FILTER_MODE_MAX];
RID uniform_set;
+ RID image_uniform_set;
RID coefficient_buffer;
bool use_high_quality;
diff --git a/servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl b/servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl
index 58c5af9c41..a7e51c1489 100644
--- a/servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl
+++ b/servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl
@@ -32,12 +32,12 @@ layout(local_size_x = GROUP_SIZE, local_size_y = 1, local_size_z = 1) in;
layout(set = 0, binding = 0) uniform samplerCube source_cubemap;
layout(rgba16f, set = 2, binding = 0) uniform restrict writeonly imageCube dest_cubemap0;
-layout(rgba16f, set = 3, binding = 0) uniform restrict writeonly imageCube dest_cubemap1;
-layout(rgba16f, set = 4, binding = 0) uniform restrict writeonly imageCube dest_cubemap2;
-layout(rgba16f, set = 5, binding = 0) uniform restrict writeonly imageCube dest_cubemap3;
-layout(rgba16f, set = 6, binding = 0) uniform restrict writeonly imageCube dest_cubemap4;
-layout(rgba16f, set = 7, binding = 0) uniform restrict writeonly imageCube dest_cubemap5;
-layout(rgba16f, set = 8, binding = 0) uniform restrict writeonly imageCube dest_cubemap6;
+layout(rgba16f, set = 2, binding = 1) uniform restrict writeonly imageCube dest_cubemap1;
+layout(rgba16f, set = 2, binding = 2) uniform restrict writeonly imageCube dest_cubemap2;
+layout(rgba16f, set = 2, binding = 3) uniform restrict writeonly imageCube dest_cubemap3;
+layout(rgba16f, set = 2, binding = 4) uniform restrict writeonly imageCube dest_cubemap4;
+layout(rgba16f, set = 2, binding = 5) uniform restrict writeonly imageCube dest_cubemap5;
+layout(rgba16f, set = 2, binding = 6) uniform restrict writeonly imageCube dest_cubemap6;
#ifdef USE_HIGH_QUALITY
#define NUM_TAPS 32
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index 97a18e6d86..ed3feccb43 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -2646,7 +2646,7 @@ PropertyInfo ShaderLanguage::uniform_to_property_info(const ShaderNode::Uniform
pi.type = Variant::INT;
if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_RANGE) {
pi.hint = PROPERTY_HINT_RANGE;
- pi.hint_string = rtos(p_uniform.hint_range[0]) + "," + rtos(p_uniform.hint_range[1]);
+ pi.hint_string = rtos(p_uniform.hint_range[0]) + "," + rtos(p_uniform.hint_range[1]) + "," + rtos(p_uniform.hint_range[2]);
}
} break;