New lightmapper

-Added LocalVector (needed it)
-Added stb_rect_pack (It's pretty cool, we could probably use it for other stuff too)
-Fixes and changes all around the place
-Added library for 128 bits fixed point (required for Delaunay3D)

7 files changed, 433 insertions, 35 deletions

diff --git a/editor/plugins/baked_lightmap_editor_plugin.cpp b/editor/plugins/baked_lightmap_editor_plugin.cpp
index ba161244d6..f754dd4725 100644
--- a/editor/plugins/baked_lightmap_editor_plugin.cpp
+++ b/editor/plugins/baked_lightmap_editor_plugin.cpp
@@ -28,23 +28,36 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#if 0
 #include "baked_lightmap_editor_plugin.h"
 
-void BakedLightmapEditorPlugin::_bake() {
+void BakedLightmapEditorPlugin::_bake_select_file(const String &p_file) {
 
 	if (lightmap) {
 		BakedLightmap::BakeError err;
 		if (get_tree()->get_edited_scene_root() && get_tree()->get_edited_scene_root() == lightmap) {
-			err = lightmap->bake(lightmap);
+			err = lightmap->bake(lightmap, p_file, bake_func_step);
 		} else {
-			err = lightmap->bake(lightmap->get_parent());
+			err = lightmap->bake(lightmap->get_parent(), p_file, bake_func_step);
 		}
 
+		bake_func_end();
+
 		switch (err) {
-			case BakedLightmap::BAKE_ERROR_NO_SAVE_PATH:
-				EditorNode::get_singleton()->show_warning(TTR("Can't determine a save path for lightmap images.\nSave your scene (for images to be saved in the same dir), or pick a save path from the BakedLightmap properties."));
-				break;
+			case BakedLightmap::BAKE_ERROR_NO_SAVE_PATH: {
+				String scene_path = lightmap->get_filename();
+				if (scene_path == String()) {
+					scene_path = lightmap->get_owner()->get_filename();
+				}
+				if (scene_path == String()) {
+					EditorNode::get_singleton()->show_warning(TTR("Can't determine a save path for lightmap images.\nSave your scene and try again."));
+					break;
+				}
+				scene_path = scene_path.get_basename() + ".lmbake";
+
+				file_dialog->set_current_path(scene_path);
+				file_dialog->popup_centered_ratio();
+
+			} break;
 			case BakedLightmap::BAKE_ERROR_NO_MESHES:
 				EditorNode::get_singleton()->show_warning(TTR("No meshes to bake. Make sure they contain an UV2 channel and that the 'Bake Light' flag is on."));
 				break;
@@ -57,6 +70,11 @@ void BakedLightmapEditorPlugin::_bake() {
 	}
 }
 
+void BakedLightmapEditorPlugin::_bake() {
+
+	_bake_select_file("");
+}
+
 void BakedLightmapEditorPlugin::edit(Object *p_object) {
 
 	BakedLightmap *s = Object::cast_to<BakedLightmap>(p_object);
@@ -83,23 +101,20 @@ void BakedLightmapEditorPlugin::make_visible(bool p_visible) {
 
 EditorProgress *BakedLightmapEditorPlugin::tmp_progress = nullptr;
 
-void BakedLightmapEditorPlugin::bake_func_begin(int p_steps) {
+bool BakedLightmapEditorPlugin::bake_func_step(float p_progress, const String &p_description, void *, bool p_refresh) {
 
-	ERR_FAIL_COND(tmp_progress != nullptr);
-
-	tmp_progress = memnew(EditorProgress("bake_lightmaps", TTR("Bake Lightmaps"), p_steps, true));
-}
-
-bool BakedLightmapEditorPlugin::bake_func_step(int p_step, const String &p_description) {
-
-	ERR_FAIL_COND_V(tmp_progress == nullptr, false);
-	return tmp_progress->step(p_description, p_step, false);
+	if (!tmp_progress) {
+		tmp_progress = memnew(EditorProgress("bake_lightmaps", TTR("Bake Lightmaps"), 1000, false));
+		ERR_FAIL_COND_V(tmp_progress == nullptr, false);
+	}
+	return tmp_progress->step(p_description, p_progress * 1000, p_refresh);
 }
 
 void BakedLightmapEditorPlugin::bake_func_end() {
-	ERR_FAIL_COND(tmp_progress == nullptr);
-	memdelete(tmp_progress);
-	tmp_progress = nullptr;
+	if (tmp_progress != nullptr) {
+		memdelete(tmp_progress);
+		tmp_progress = nullptr;
+	}
 }
 
 void BakedLightmapEditorPlugin::_bind_methods() {
@@ -111,18 +126,20 @@ BakedLightmapEditorPlugin::BakedLightmapEditorPlugin(EditorNode *p_node) {
 
 	editor = p_node;
 	bake = memnew(ToolButton);
-	bake->set_icon(editor->get_gui_base()->get_icon("Bake", "EditorIcons"));
+	bake->set_icon(editor->get_gui_base()->get_theme_icon("Bake", "EditorIcons"));
 	bake->set_text(TTR("Bake Lightmaps"));
 	bake->hide();
-	bake->connect("pressed", this, "_bake");
+	bake->connect("pressed", Callable(this, "_bake"));
 	add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, bake);
 	lightmap = nullptr;
 
-	BakedLightmap::bake_begin_function = bake_func_begin;
-	BakedLightmap::bake_step_function = bake_func_step;
-	BakedLightmap::bake_end_function = bake_func_end;
+	file_dialog = memnew(EditorFileDialog);
+	file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
+	file_dialog->add_filter("*.lmbake ; LightMap Bake");
+	file_dialog->set_title(TTR("Select lightmap bake file:"));
+	file_dialog->connect("file_selected", callable_mp(this, &BakedLightmapEditorPlugin::_bake_select_file));
+	bake->add_child(file_dialog);
 }
 
 BakedLightmapEditorPlugin::~BakedLightmapEditorPlugin() {
 }
-#endif
diff --git a/editor/plugins/baked_lightmap_editor_plugin.h b/editor/plugins/baked_lightmap_editor_plugin.h
index 818cdfe8fa..2dbc09fc1d 100644
--- a/editor/plugins/baked_lightmap_editor_plugin.h
+++ b/editor/plugins/baked_lightmap_editor_plugin.h
@@ -28,7 +28,6 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#if 0
 #ifndef BAKED_LIGHTMAP_EDITOR_PLUGIN_H
 #define BAKED_LIGHTMAP_EDITOR_PLUGIN_H
 
@@ -46,11 +45,12 @@ class BakedLightmapEditorPlugin : public EditorPlugin {
 	ToolButton *bake;
 	EditorNode *editor;
 
+	EditorFileDialog *file_dialog;
 	static EditorProgress *tmp_progress;
-	static void bake_func_begin(int p_steps);
-	static bool bake_func_step(int p_step, const String &p_description);
+	static bool bake_func_step(float p_progress, const String &p_description, void *, bool p_refresh);
 	static void bake_func_end();
 
+	void _bake_select_file(const String &p_file);
 	void _bake();
 
 protected:
@@ -67,5 +67,4 @@ public:
 	~BakedLightmapEditorPlugin();
 };
 
-#endif // BAKED_LIGHTMAP_EDITOR_PLUGIN_H
 #endif
diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index 65c0763e63..b5fcf82d76 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -6161,7 +6161,7 @@ bool CanvasItemEditorViewport::can_drop_data(const Point2 &p_point, const Varian
 						   type == "ViewportTexture" ||
 						   type == "CurveTexture" ||
 						   type == "GradientTexture" ||
-						   type == "StreamTexture" ||
+						   type == "StreamTexture2D" ||
 						   type == "AtlasTexture" ||
 						   type == "LargeTexture") {
 					Ref<Texture2D> texture = Ref<Texture2D>(Object::cast_to<Texture2D>(*res));
diff --git a/editor/plugins/node_3d_editor_plugin.cpp b/editor/plugins/node_3d_editor_plugin.cpp
index 1bf5999906..69f8efa86e 100644
--- a/editor/plugins/node_3d_editor_plugin.cpp
+++ b/editor/plugins/node_3d_editor_plugin.cpp
@@ -6008,7 +6008,8 @@ void Node3DEditor::_register_all_gizmos() {
 	add_gizmo_plugin(Ref<ReflectionProbeGizmoPlugin>(memnew(ReflectionProbeGizmoPlugin)));
 	add_gizmo_plugin(Ref<DecalGizmoPlugin>(memnew(DecalGizmoPlugin)));
 	add_gizmo_plugin(Ref<GIProbeGizmoPlugin>(memnew(GIProbeGizmoPlugin)));
-	//	add_gizmo_plugin(Ref<BakedIndirectLightGizmoPlugin>(memnew(BakedIndirectLightGizmoPlugin)));
+	add_gizmo_plugin(Ref<BakedLightmapGizmoPlugin>(memnew(BakedLightmapGizmoPlugin)));
+	add_gizmo_plugin(Ref<LightmapProbeGizmoPlugin>(memnew(LightmapProbeGizmoPlugin)));
 	add_gizmo_plugin(Ref<CollisionShape3DGizmoPlugin>(memnew(CollisionShape3DGizmoPlugin)));
 	add_gizmo_plugin(Ref<CollisionPolygon3DGizmoPlugin>(memnew(CollisionPolygon3DGizmoPlugin)));
 	add_gizmo_plugin(Ref<NavigationRegion3DGizmoPlugin>(memnew(NavigationRegion3DGizmoPlugin)));
diff --git a/editor/plugins/texture_editor_plugin.cpp b/editor/plugins/texture_editor_plugin.cpp
index c1184c1c89..7a3e571f16 100644
--- a/editor/plugins/texture_editor_plugin.cpp
+++ b/editor/plugins/texture_editor_plugin.cpp
@@ -84,8 +84,8 @@ void TextureEditor::_notification(int p_what) {
 		String format;
 		if (Object::cast_to<ImageTexture>(*texture)) {
 			format = Image::get_format_name(Object::cast_to<ImageTexture>(*texture)->get_format());
-		} else if (Object::cast_to<StreamTexture>(*texture)) {
-			format = Image::get_format_name(Object::cast_to<StreamTexture>(*texture)->get_format());
+		} else if (Object::cast_to<StreamTexture2D>(*texture)) {
+			format = Image::get_format_name(Object::cast_to<StreamTexture2D>(*texture)->get_format());
 		} else {
 			format = texture->get_class();
 		}
@@ -144,7 +144,7 @@ TextureEditor::~TextureEditor() {
 //
 bool EditorInspectorPluginTexture::can_handle(Object *p_object) {
 
-	return Object::cast_to<ImageTexture>(p_object) != nullptr || Object::cast_to<AtlasTexture>(p_object) != nullptr || Object::cast_to<StreamTexture>(p_object) != nullptr || Object::cast_to<LargeTexture>(p_object) != nullptr || Object::cast_to<AnimatedTexture>(p_object) != nullptr;
+	return Object::cast_to<ImageTexture>(p_object) != nullptr || Object::cast_to<AtlasTexture>(p_object) != nullptr || Object::cast_to<StreamTexture2D>(p_object) != nullptr || Object::cast_to<LargeTexture>(p_object) != nullptr || Object::cast_to<AnimatedTexture>(p_object) != nullptr;
 }
 
 void EditorInspectorPluginTexture::parse_begin(Object *p_object) {
diff --git a/editor/plugins/texture_layered_editor_plugin.cpp b/editor/plugins/texture_layered_editor_plugin.cpp
new file mode 100644
index 0000000000..6d716951b3
--- /dev/null
+++ b/editor/plugins/texture_layered_editor_plugin.cpp
@@ -0,0 +1,286 @@
+/*************************************************************************/
+/*  texture_editor_plugin.cpp                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "texture_layered_editor_plugin.h"
+
+#include "core/io/resource_loader.h"
+#include "core/project_settings.h"
+#include "editor/editor_settings.h"
+
+void TextureLayeredEditor::_gui_input(Ref<InputEvent> p_event) {
+	Ref<InputEventMouseMotion> mm = p_event;
+	if (mm.is_valid() && mm->get_button_mask() & BUTTON_MASK_LEFT) {
+		y_rot += -mm->get_relative().x * 0.01;
+		x_rot += mm->get_relative().y * 0.01;
+		_update_material();
+	}
+}
+
+void TextureLayeredEditor::_texture_rect_draw() {
+	texture_rect->draw_rect(Rect2(Point2(), texture_rect->get_size()), Color(1, 1, 1, 1));
+}
+
+void TextureLayeredEditor::_notification(int p_what) {
+
+	if (p_what == NOTIFICATION_READY) {
+
+		//get_scene()->connect("node_removed",this,"_node_removed");
+	}
+	if (p_what == NOTIFICATION_RESIZED) {
+		_texture_rect_update_area();
+	}
+
+	if (p_what == NOTIFICATION_DRAW) {
+
+		Ref<Texture2D> checkerboard = get_theme_icon("Checkerboard", "EditorIcons");
+		Size2 size = get_size();
+
+		draw_texture_rect(checkerboard, Rect2(Point2(), size), true);
+	}
+}
+
+void TextureLayeredEditor::_changed_callback(Object *p_changed, const char *p_prop) {
+
+	if (!is_visible())
+		return;
+	update();
+}
+
+void TextureLayeredEditor::_update_material() {
+
+	materials[0]->set_shader_param("layer", layer->get_value());
+	materials[2]->set_shader_param("layer", layer->get_value());
+	materials[texture->get_layered_type()]->set_shader_param("tex", texture->get_rid());
+
+	Vector3 v(1, 1, 1);
+	v.normalize();
+
+	Basis b;
+	b.rotate(Vector3(1, 0, 0), x_rot);
+	b.rotate(Vector3(0, 1, 0), y_rot);
+
+	materials[1]->set_shader_param("normal", v);
+	materials[1]->set_shader_param("rot", b);
+	materials[2]->set_shader_param("normal", v);
+	materials[2]->set_shader_param("rot", b);
+
+	String format = Image::get_format_name(texture->get_format());
+
+	String text;
+	if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_2D_ARRAY) {
+		text = itos(texture->get_width()) + "x" + itos(texture->get_height()) + " (x " + itos(texture->get_layers()) + ")" + format;
+	} else if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_CUBEMAP) {
+		text = itos(texture->get_width()) + "x" + itos(texture->get_height()) + " " + format;
+	} else if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_CUBEMAP_ARRAY) {
+		text = itos(texture->get_width()) + "x" + itos(texture->get_height()) + " (x " + itos(texture->get_layers() / 6) + ")" + format;
+	}
+
+	info->set_text(text);
+}
+
+void TextureLayeredEditor::_make_shaders() {
+	String shader_2d_array = ""
+							 "shader_type canvas_item;\n"
+							 "uniform sampler2DArray tex;\n"
+							 "uniform float layer;\n"
+							 "void fragment() {\n"
+							 "  COLOR = textureLod(tex,vec3(UV,layer),0.0);\n"
+							 "}";
+
+	shaders[0].instance();
+	shaders[0]->set_code(shader_2d_array);
+
+	String shader_cube = ""
+						 "shader_type canvas_item;\n"
+						 "uniform samplerCube tex;\n"
+						 "uniform vec3 normal;\n"
+						 "uniform mat3 rot;\n"
+						 "void fragment() {\n"
+						 "  vec3 n = rot * normalize(vec3(normal.xy*(UV * 2.0 - 1.0),normal.z));\n"
+						 "  COLOR = textureLod(tex,n,0.0);\n"
+						 "}";
+
+	shaders[1].instance();
+	shaders[1]->set_code(shader_cube);
+
+	String shader_cube_array = ""
+							   "shader_type canvas_item;\n"
+							   "uniform samplerCubeArray tex;\n"
+							   "uniform vec3 normal;\n"
+							   "uniform mat3 rot;\n"
+							   "uniform float layer;\n"
+							   "void fragment() {\n"
+							   "  vec3 n = rot * normalize(vec3(normal.xy*(UV * 2.0 - 1.0),normal.z));\n"
+							   "  COLOR = textureLod(tex,vec4(n,layer),0.0);\n"
+							   "}";
+
+	shaders[2].instance();
+	shaders[2]->set_code(shader_cube_array);
+
+	for (int i = 0; i < 3; i++) {
+		materials[i].instance();
+		materials[i]->set_shader(shaders[i]);
+	}
+}
+
+void TextureLayeredEditor::_texture_rect_update_area() {
+
+	Size2 size = get_size();
+	int tex_width = texture->get_width() * size.height / texture->get_height();
+	int tex_height = size.height;
+
+	if (tex_width > size.width) {
+		tex_width = size.width;
+		tex_height = texture->get_height() * tex_width / texture->get_width();
+	}
+
+	// Prevent the texture from being unpreviewable after the rescale, so that we can still see something
+	if (tex_height <= 0)
+		tex_height = 1;
+	if (tex_width <= 0)
+		tex_width = 1;
+
+	int ofs_x = (size.width - tex_width) / 2;
+	int ofs_y = (size.height - tex_height) / 2;
+
+	texture_rect->set_position(Vector2(ofs_x, ofs_y));
+	texture_rect->set_size(Vector2(tex_width, tex_height));
+}
+
+void TextureLayeredEditor::edit(Ref<TextureLayered> p_texture) {
+
+	if (!texture.is_null())
+		texture->remove_change_receptor(this);
+
+	texture = p_texture;
+
+	if (!texture.is_null()) {
+
+		if (shaders[0].is_null()) {
+			_make_shaders();
+		}
+
+		texture->add_change_receptor(this);
+		update();
+		texture_rect->set_material(materials[texture->get_layered_type()]);
+		setting = true;
+		if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_2D_ARRAY) {
+			layer->set_max(texture->get_layers() - 1);
+			layer->set_value(0);
+			layer->show();
+		} else if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_CUBEMAP_ARRAY) {
+			layer->set_max(texture->get_layers() / 6 - 1);
+			layer->set_value(0);
+			layer->show();
+		} else {
+			layer->hide();
+		}
+		x_rot = 0;
+		y_rot = 0;
+		_update_material();
+		setting = false;
+		_texture_rect_update_area();
+	} else {
+		hide();
+	}
+}
+
+void TextureLayeredEditor::_bind_methods() {
+
+	ClassDB::bind_method(D_METHOD("_gui_input"), &TextureLayeredEditor::_gui_input);
+	ClassDB::bind_method(D_METHOD("_layer_changed"), &TextureLayeredEditor::_layer_changed);
+}
+
+TextureLayeredEditor::TextureLayeredEditor() {
+
+	set_texture_repeat(TextureRepeat::TEXTURE_REPEAT_ENABLED);
+	set_custom_minimum_size(Size2(1, 150));
+	texture_rect = memnew(Control);
+	texture_rect->connect("draw", callable_mp(this, &TextureLayeredEditor::_texture_rect_draw));
+	texture_rect->set_mouse_filter(MOUSE_FILTER_IGNORE);
+	add_child(texture_rect);
+
+	layer = memnew(SpinBox);
+	layer->set_step(1);
+	layer->set_max(100);
+	add_child(layer);
+	layer->set_anchor(MARGIN_RIGHT, 1);
+	layer->set_anchor(MARGIN_LEFT, 1);
+	layer->set_h_grow_direction(GROW_DIRECTION_BEGIN);
+	layer->set_modulate(Color(1, 1, 1, 0.8));
+	info = memnew(Label);
+	add_child(info);
+	info->set_anchor(MARGIN_RIGHT, 1);
+	info->set_anchor(MARGIN_LEFT, 1);
+	info->set_anchor(MARGIN_BOTTOM, 1);
+	info->set_anchor(MARGIN_TOP, 1);
+	info->set_h_grow_direction(GROW_DIRECTION_BEGIN);
+	info->set_v_grow_direction(GROW_DIRECTION_BEGIN);
+	info->add_theme_color_override("font_color", Color(1, 1, 1, 1));
+	info->add_theme_color_override("font_color_shadow", Color(0, 0, 0, 0.5));
+	info->add_theme_color_override("font_color_shadow", Color(0, 0, 0, 0.5));
+	info->add_theme_constant_override("shadow_as_outline", 1);
+	info->add_theme_constant_override("shadow_offset_x", 2);
+	info->add_theme_constant_override("shadow_offset_y", 2);
+
+	setting = false;
+	layer->connect("value_changed", Callable(this, "_layer_changed"));
+}
+
+TextureLayeredEditor::~TextureLayeredEditor() {
+	if (!texture.is_null()) {
+		texture->remove_change_receptor(this);
+	}
+}
+//
+bool EditorInspectorPluginLayeredTexture::can_handle(Object *p_object) {
+
+	return Object::cast_to<TextureLayered>(p_object) != nullptr;
+}
+
+void EditorInspectorPluginLayeredTexture::parse_begin(Object *p_object) {
+
+	TextureLayered *texture = Object::cast_to<TextureLayered>(p_object);
+	if (!texture) {
+		return;
+	}
+	Ref<TextureLayered> m(texture);
+
+	TextureLayeredEditor *editor = memnew(TextureLayeredEditor);
+	editor->edit(m);
+	add_custom_control(editor);
+}
+
+TextureLayeredEditorPlugin::TextureLayeredEditorPlugin(EditorNode *p_node) {
+
+	Ref<EditorInspectorPluginLayeredTexture> plugin;
+	plugin.instance();
+	add_inspector_plugin(plugin);
+}
diff --git a/editor/plugins/texture_layered_editor_plugin.h b/editor/plugins/texture_layered_editor_plugin.h
new file mode 100644
index 0000000000..e8503e845e
--- /dev/null
+++ b/editor/plugins/texture_layered_editor_plugin.h
@@ -0,0 +1,95 @@
+/*************************************************************************/
+/*  texture_editor_plugin.h                                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef TEXTURE_LAYERED_EDITOR_PLUGIN_H
+#define TEXTURE_LAYERED_EDITOR_PLUGIN_H
+
+#include "editor/editor_node.h"
+#include "editor/editor_plugin.h"
+#include "scene/resources/shader.h"
+#include "scene/resources/texture.h"
+class TextureLayeredEditor : public Control {
+
+	GDCLASS(TextureLayeredEditor, Control);
+
+	SpinBox *layer;
+	Label *info;
+	Ref<TextureLayered> texture;
+
+	Ref<Shader> shaders[3];
+	Ref<ShaderMaterial> materials[3];
+
+	float x_rot = 0;
+	float y_rot = 0;
+	Control *texture_rect;
+
+	void _make_shaders();
+
+	void _update_material();
+	bool setting;
+	void _layer_changed(double) {
+		if (!setting)
+			_update_material();
+	}
+
+	void _texture_rect_update_area();
+	void _texture_rect_draw();
+
+protected:
+	void _notification(int p_what);
+	void _gui_input(Ref<InputEvent> p_event);
+	void _changed_callback(Object *p_changed, const char *p_prop);
+	static void _bind_methods();
+
+public:
+	void edit(Ref<TextureLayered> p_texture);
+	TextureLayeredEditor();
+	~TextureLayeredEditor();
+};
+
+class EditorInspectorPluginLayeredTexture : public EditorInspectorPlugin {
+	GDCLASS(EditorInspectorPluginLayeredTexture, EditorInspectorPlugin);
+
+public:
+	virtual bool can_handle(Object *p_object);
+	virtual void parse_begin(Object *p_object);
+};
+
+class TextureLayeredEditorPlugin : public EditorPlugin {
+
+	GDCLASS(TextureLayeredEditorPlugin, EditorPlugin);
+
+public:
+	virtual String get_name() const { return "TextureLayered"; }
+
+	TextureLayeredEditorPlugin(EditorNode *p_node);
+};
+
+#endif // TEXTURE_EDITOR_PLUGIN_H