summaryrefslogtreecommitdiff
path: root/modules/csg/csg_shape.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'modules/csg/csg_shape.cpp')
-rw-r--r--modules/csg/csg_shape.cpp251
1 files changed, 112 insertions, 139 deletions
diff --git a/modules/csg/csg_shape.cpp b/modules/csg/csg_shape.cpp
index 4da94c3baa..279edbcec5 100644
--- a/modules/csg/csg_shape.cpp
+++ b/modules/csg/csg_shape.cpp
@@ -34,6 +34,14 @@ bool CSGShape::is_root_shape() const {
return !parent;
}
+void CSGShape::set_snap(float p_snap) {
+ snap = p_snap;
+}
+
+float CSGShape::get_snap() const {
+ return snap;
+}
+
void CSGShape::_make_dirty() {
if (!is_inside_tree())
@@ -60,7 +68,61 @@ CSGBrush *CSGShape::_get_brush() {
memdelete(brush);
}
brush = NULL;
- brush = _build_brush(&node_aabb);
+
+ CSGBrush *n = _build_brush();
+
+ for (int i = 0; i < get_child_count(); i++) {
+
+ CSGShape *child = Object::cast_to<CSGShape>(get_child(i));
+ if (!child)
+ continue;
+ if (!child->is_visible_in_tree())
+ continue;
+
+ CSGBrush *n2 = child->_get_brush();
+ if (!n2)
+ continue;
+ if (!n) {
+ n = memnew(CSGBrush);
+
+ n->copy_from(*n2, child->get_transform());
+
+ } else {
+
+ CSGBrush *nn = memnew(CSGBrush);
+ CSGBrush *nn2 = memnew(CSGBrush);
+ nn2->copy_from(*n2, child->get_transform());
+
+ CSGBrushOperation bop;
+
+ switch (child->get_operation()) {
+ case CSGShape::OPERATION_UNION: bop.merge_brushes(CSGBrushOperation::OPERATION_UNION, *n, *nn2, *nn, snap); break;
+ case CSGShape::OPERATION_INTERSECTION: bop.merge_brushes(CSGBrushOperation::OPERATION_INTERSECTION, *n, *nn2, *nn, snap); break;
+ case CSGShape::OPERATION_SUBTRACTION: bop.merge_brushes(CSGBrushOperation::OPERATION_SUBSTRACTION, *n, *nn2, *nn, snap); break;
+ }
+ memdelete(n);
+ memdelete(nn2);
+ n = nn;
+ }
+ }
+
+ if (n) {
+ AABB aabb;
+ for (int i = 0; i < n->faces.size(); i++) {
+ for (int j = 0; j < 3; j++) {
+ if (i == 0 && j == 0)
+ aabb.position = n->faces[i].vertices[j];
+ else
+ aabb.expand_to(n->faces[i].vertices[j]);
+ }
+ }
+ node_aabb = aabb;
+ } else {
+ node_aabb = AABB();
+ }
+
+ brush = n;
+
dirty = false;
}
@@ -226,6 +288,9 @@ AABB CSGShape::get_aabb() const {
PoolVector<Vector3> CSGShape::get_brush_faces() {
ERR_FAIL_COND_V(!is_inside_tree(), PoolVector<Vector3>());
CSGBrush *b = _get_brush();
+ if (!b) {
+ return PoolVector<Vector3>();
+ }
PoolVector<Vector3> faces;
int fc = b->faces.size();
@@ -304,23 +369,6 @@ void CSGShape::_validate_property(PropertyInfo &property) const {
//hide collision if not root
property.usage = PROPERTY_USAGE_NOEDITOR;
}
- if (is_inside_tree() && property.name.begins_with("operation")) {
- //hide operation for first node or root
- if (is_root_shape()) {
- property.usage = PROPERTY_USAGE_NOEDITOR;
- } else {
- for (int i = 0; i < get_parent()->get_child_count(); i++) {
- CSGShape *s = Object::cast_to<CSGShape>(get_parent()->get_child(i));
- if (!s)
- continue;
-
- if (s == this) {
- property.usage = PROPERTY_USAGE_NOEDITOR;
- }
- break;
- }
- }
- }
}
void CSGShape::_bind_methods() {
@@ -334,8 +382,12 @@ void CSGShape::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_use_collision", "operation"), &CSGShape::set_use_collision);
ClassDB::bind_method(D_METHOD("is_using_collision"), &CSGShape::is_using_collision);
+ ClassDB::bind_method(D_METHOD("set_snap", "snap"), &CSGShape::set_snap);
+ ClassDB::bind_method(D_METHOD("get_snap"), &CSGShape::get_snap);
+
ADD_PROPERTY(PropertyInfo(Variant::INT, "operation", PROPERTY_HINT_ENUM, "Union,Intersection,Subtraction"), "set_operation", "get_operation");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_collision"), "set_use_collision", "is_using_collision");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "snap", PROPERTY_HINT_RANGE, "0.0001,1,0.001"), "set_snap", "get_snap");
BIND_CONSTANT(OPERATION_UNION);
BIND_CONSTANT(OPERATION_INTERSECTION);
@@ -349,6 +401,7 @@ CSGShape::CSGShape() {
parent = NULL;
use_collision = false;
operation = OPERATION_UNION;
+ snap = 0.001;
}
CSGShape::~CSGShape() {
@@ -359,79 +412,12 @@ CSGShape::~CSGShape() {
}
//////////////////////////////////
-CSGBrush *CSGCombiner::_build_brush(AABB *r_aabb) {
-
- CSGBrush *n = NULL;
-
- for (int i = 0; i < get_child_count(); i++) {
-
- CSGShape *child = Object::cast_to<CSGShape>(get_child(i));
- if (!child)
- continue;
- if (!child->is_visible_in_tree())
- continue;
-
- CSGBrush *n2 = child->_get_brush();
- if (!n2)
- continue;
- if (!n) {
- n = memnew(CSGBrush);
-
- n->copy_from(*n2, child->get_transform());
-
- } else {
-
- CSGBrush *nn = memnew(CSGBrush);
- CSGBrush *nn2 = memnew(CSGBrush);
- nn2->copy_from(*n2, child->get_transform());
-
- CSGBrushOperation bop;
-
- switch (child->get_operation()) {
- case CSGShape::OPERATION_UNION: bop.merge_brushes(CSGBrushOperation::OPERATION_UNION, *n, *nn2, *nn, snap); break;
- case CSGShape::OPERATION_INTERSECTION: bop.merge_brushes(CSGBrushOperation::OPERATION_INTERSECTION, *n, *nn2, *nn, snap); break;
- case CSGShape::OPERATION_SUBTRACTION: bop.merge_brushes(CSGBrushOperation::OPERATION_SUBSTRACTION, *n, *nn2, *nn, snap); break;
- }
- memdelete(n);
- memdelete(nn2);
- n = nn;
- }
- }
-
- if (n) {
- AABB aabb;
- for (int i = 0; i < n->faces.size(); i++) {
- for (int j = 0; j < 3; j++) {
- if (i == 0 && j == 0)
- aabb.position = n->faces[i].vertices[j];
- else
- aabb.expand_to(n->faces[i].vertices[j]);
- }
- }
- *r_aabb = aabb;
- } else {
- *r_aabb = AABB();
- }
- return n;
-}
-
-void CSGCombiner::set_snap(float p_snap) {
- snap = p_snap;
-}
-
-float CSGCombiner::get_snap() const {
- return snap;
-}
-
-void CSGCombiner::_bind_methods() {
- ClassDB::bind_method(D_METHOD("set_snap", "snap"), &CSGCombiner::set_snap);
- ClassDB::bind_method(D_METHOD("get_snap"), &CSGCombiner::get_snap);
+CSGBrush *CSGCombiner::_build_brush() {
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "snap", PROPERTY_HINT_RANGE, "0.0001,1,0.001"), "set_snap", "get_snap");
+ return NULL; //does not build anything
}
CSGCombiner::CSGCombiner() {
- snap = 0.001;
}
/////////////////////
@@ -481,7 +467,7 @@ CSGPrimitive::CSGPrimitive() {
/////////////////////
-CSGBrush *CSGMesh::_build_brush(AABB *r_aabb) {
+CSGBrush *CSGMesh::_build_brush() {
if (!mesh.is_valid())
return NULL;
@@ -491,8 +477,6 @@ CSGBrush *CSGMesh::_build_brush(AABB *r_aabb) {
PoolVector<Ref<Material> > materials;
PoolVector<Vector2> uvs;
- *r_aabb = AABB();
-
for (int i = 0; i < mesh->get_surface_count(); i++) {
if (mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) {
@@ -662,7 +646,7 @@ Ref<Mesh> CSGMesh::get_mesh() {
////////////////////////////////
-CSGBrush *CSGSphere::_build_brush(AABB *r_aabb) {
+CSGBrush *CSGSphere::_build_brush() {
// set our bounding box
@@ -778,9 +762,6 @@ CSGBrush *CSGSphere::_build_brush(AABB *r_aabb) {
brush->build_from_faces(faces, uvs, smooth, materials, invert);
- if (r_aabb) {
- *r_aabb = AABB(Vector3(-radius, -radius, -radius), Vector3(radius * 2, radius * 2, radius * 2));
- }
return brush;
}
@@ -867,7 +848,7 @@ CSGSphere::CSGSphere() {
///////////////
-CSGBrush *CSGBox::_build_brush(AABB *r_aabb) {
+CSGBrush *CSGBox::_build_brush() {
// set our bounding box
@@ -969,9 +950,6 @@ CSGBrush *CSGBox::_build_brush(AABB *r_aabb) {
brush->build_from_faces(faces, uvs, smooth, materials, invert);
- if (r_aabb) {
- *r_aabb = AABB(Vector3(-width / 2, -height / 2, -depth / 2), Vector3(width, height, depth));
- }
return brush;
}
@@ -1045,7 +1023,7 @@ CSGBox::CSGBox() {
///////////////
-CSGBrush *CSGCylinder::_build_brush(AABB *r_aabb) {
+CSGBrush *CSGCylinder::_build_brush() {
// set our bounding box
@@ -1178,9 +1156,6 @@ CSGBrush *CSGCylinder::_build_brush(AABB *r_aabb) {
brush->build_from_faces(faces, uvs, smooth, materials, invert);
- if (r_aabb) {
- *r_aabb = AABB(Vector3(-radius, -height / 2, -radius), Vector3(radius * 2, height, radius * 2));
- }
return brush;
}
@@ -1283,7 +1258,7 @@ CSGCylinder::CSGCylinder() {
///////////////
-CSGBrush *CSGTorus::_build_brush(AABB *r_aabb) {
+CSGBrush *CSGTorus::_build_brush() {
// set our bounding box
@@ -1406,10 +1381,6 @@ CSGBrush *CSGTorus::_build_brush(AABB *r_aabb) {
brush->build_from_faces(faces, uvs, smooth, materials, invert);
- if (r_aabb) {
- *r_aabb = AABB(Vector3(-max_radius, -radius, -max_radius), Vector3(max_radius * 2, radius * 2, max_radius * 2));
- }
-
return brush;
}
@@ -1513,14 +1484,20 @@ CSGTorus::CSGTorus() {
///////////////
-CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
+CSGBrush *CSGPolygon::_build_brush() {
// set our bounding box
if (polygon.size() < 3)
return NULL;
- Vector<int> triangles = Geometry::triangulate_polygon(polygon);
+ Vector<Point2> final_polygon = polygon;
+
+ if (Triangulate::get_area(final_polygon) > 0) {
+ final_polygon.invert();
+ }
+
+ Vector<int> triangles = Geometry::triangulate_polygon(final_polygon);
if (triangles.size() < 3)
return NULL;
@@ -1564,12 +1541,12 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
int face_count;
switch (mode) {
- case MODE_DEPTH: face_count = triangles.size() * 2 / 3 + (polygon.size()) * 2; break;
- case MODE_SPIN: face_count = (spin_degrees < 360 ? triangles.size() * 2 / 3 : 0) + (polygon.size()) * 2 * spin_sides; break;
+ case MODE_DEPTH: face_count = triangles.size() * 2 / 3 + (final_polygon.size()) * 2; break;
+ case MODE_SPIN: face_count = (spin_degrees < 360 ? triangles.size() * 2 / 3 : 0) + (final_polygon.size()) * 2 * spin_sides; break;
case MODE_PATH: {
float bl = curve->get_baked_length();
int splits = MAX(2, Math::ceil(bl / path_interval));
- face_count = triangles.size() * 2 / 3 + splits * polygon.size() * 2;
+ face_count = triangles.size() * 2 / 3 + splits * final_polygon.size() * 2;
} break;
}
@@ -1609,7 +1586,7 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
for (int j = 0; j < triangles.size(); j += 3) {
for (int k = 0; k < 3; k++) {
int src[3] = { 0, i == 0 ? 1 : 2, i == 0 ? 2 : 1 };
- Vector2 p = polygon[triangles[j + src[k]]];
+ Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(p.x, p.y, 0);
if (i == 0) {
v.z -= depth;
@@ -1625,15 +1602,15 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
}
//add triangles for depth
- for (int i = 0; i < polygon.size(); i++) {
+ for (int i = 0; i < final_polygon.size(); i++) {
- int i_n = (i + 1) % polygon.size();
+ int i_n = (i + 1) % final_polygon.size();
Vector3 v[4] = {
- Vector3(polygon[i].x, polygon[i].y, -depth),
- Vector3(polygon[i_n].x, polygon[i_n].y, -depth),
- Vector3(polygon[i_n].x, polygon[i_n].y, 0),
- Vector3(polygon[i].x, polygon[i].y, 0),
+ Vector3(final_polygon[i].x, final_polygon[i].y, -depth),
+ Vector3(final_polygon[i_n].x, final_polygon[i_n].y, -depth),
+ Vector3(final_polygon[i_n].x, final_polygon[i_n].y, 0),
+ Vector3(final_polygon[i].x, final_polygon[i].y, 0),
};
Vector2 u[4] = {
@@ -1689,15 +1666,15 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
Vector3 normali_n = Vector3(Math::cos(angi_n), 0, Math::sin(angi_n));
//add triangles for depth
- for (int j = 0; j < polygon.size(); j++) {
+ for (int j = 0; j < final_polygon.size(); j++) {
- int j_n = (j + 1) % polygon.size();
+ int j_n = (j + 1) % final_polygon.size();
Vector3 v[4] = {
- Vector3(normali.x * polygon[j].x, polygon[j].y, normali.z * polygon[j].x),
- Vector3(normali.x * polygon[j_n].x, polygon[j_n].y, normali.z * polygon[j_n].x),
- Vector3(normali_n.x * polygon[j_n].x, polygon[j_n].y, normali_n.z * polygon[j_n].x),
- Vector3(normali_n.x * polygon[j].x, polygon[j].y, normali_n.z * polygon[j].x),
+ Vector3(normali.x * final_polygon[j].x, final_polygon[j].y, normali.z * final_polygon[j].x),
+ Vector3(normali.x * final_polygon[j_n].x, final_polygon[j_n].y, normali.z * final_polygon[j_n].x),
+ Vector3(normali_n.x * final_polygon[j_n].x, final_polygon[j_n].y, normali_n.z * final_polygon[j_n].x),
+ Vector3(normali_n.x * final_polygon[j].x, final_polygon[j].y, normali_n.z * final_polygon[j].x),
};
Vector2 u[4] = {
@@ -1743,7 +1720,7 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
for (int j = 0; j < triangles.size(); j += 3) {
for (int k = 0; k < 3; k++) {
int src[3] = { 0, 2, 1 };
- Vector2 p = polygon[triangles[j + src[k]]];
+ Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(p.x, p.y, 0);
facesw[face * 3 + k] = v;
}
@@ -1760,7 +1737,7 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
for (int j = 0; j < triangles.size(); j += 3) {
for (int k = 0; k < 3; k++) {
int src[3] = { 0, 1, 2 };
- Vector2 p = polygon[triangles[j + src[k]]];
+ Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(normali_n.x * p.x, p.y, normali_n.z * p.x);
facesw[face * 3 + k] = v;
}
@@ -1822,15 +1799,15 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
if (i > 0) {
//put triangles where they belong
//add triangles for depth
- for (int j = 0; j < polygon.size(); j++) {
+ for (int j = 0; j < final_polygon.size(); j++) {
- int j_n = (j + 1) % polygon.size();
+ int j_n = (j + 1) % final_polygon.size();
Vector3 v[4] = {
- prev_xf.xform(Vector3(polygon[j].x, polygon[j].y, 0)),
- prev_xf.xform(Vector3(polygon[j_n].x, polygon[j_n].y, 0)),
- xf.xform(Vector3(polygon[j_n].x, polygon[j_n].y, 0)),
- xf.xform(Vector3(polygon[j].x, polygon[j].y, 0)),
+ prev_xf.xform(Vector3(final_polygon[j].x, final_polygon[j].y, 0)),
+ prev_xf.xform(Vector3(final_polygon[j_n].x, final_polygon[j_n].y, 0)),
+ xf.xform(Vector3(final_polygon[j_n].x, final_polygon[j_n].y, 0)),
+ xf.xform(Vector3(final_polygon[j].x, final_polygon[j].y, 0)),
};
Vector2 u[4] = {
@@ -1877,7 +1854,7 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
for (int j = 0; j < triangles.size(); j += 3) {
for (int k = 0; k < 3; k++) {
int src[3] = { 0, 1, 2 };
- Vector2 p = polygon[triangles[j + src[k]]];
+ Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(p.x, p.y, 0);
facesw[face * 3 + k] = xf.xform(v);
}
@@ -1894,7 +1871,7 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
for (int j = 0; j < triangles.size(); j += 3) {
for (int k = 0; k < 3; k++) {
int src[3] = { 0, 2, 1 };
- Vector2 p = polygon[triangles[j + src[k]]];
+ Vector2 p = final_polygon[triangles[j + src[k]]];
Vector3 v = Vector3(p.x, p.y, 0);
facesw[face * 3 + k] = xf.xform(v);
}
@@ -1926,10 +1903,6 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
brush->build_from_faces(faces, uvs, smooth, materials, invert);
- if (r_aabb) {
- *r_aabb = aabb;
- }
-
return brush;
}