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-Changed how operators work, any shape can operate on any other

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-Added some break condition for bad poly data to avoid editor freezes
This commit is contained in:
Juan Linietsky 2018-04-28 12:33:23 -03:00
parent 93c77580aa
commit f8520dbba7
3 changed files with 105 additions and 131 deletions
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21
modules/csg/csg.cpp
View File

@ -589,8 +589,6 @@ void CSGBrushOperation::_add_poly_points(const BuildPoly &p_poly, int p_edge, in
edge_stack.push_back(es);
}
int limit = p_poly.points.size() * 4;
//attempt to empty the stack.
while (edge_stack.size()) {
@ -611,7 +609,9 @@ void CSGBrushOperation::_add_poly_points(const BuildPoly &p_poly, int p_edge, in
edge_process[e.edge] = true; //mark as processed
while (to_point != e.prev_point) {
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 };
@ -621,6 +621,9 @@ void CSGBrushOperation::_add_poly_points(const BuildPoly &p_poly, int p_edge, in
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.
@ -677,6 +680,8 @@ void CSGBrushOperation::_add_poly_points(const BuildPoly &p_poly, int p_edge, in
to_point = next_point;
edge_process[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.
@ -699,7 +704,9 @@ void CSGBrushOperation::_add_poly_outline(const BuildPoly &p_poly, int p_from_po
int prev_point = p_from_point;
int to_point = p_to_point;
while (to_point != p_from_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.
@ -707,6 +714,10 @@ void CSGBrushOperation::_add_poly_outline(const BuildPoly &p_poly, int p_from_po
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;
@ -734,6 +745,8 @@ void CSGBrushOperation::_add_poly_outline(const BuildPoly &p_poly, int p_from_po
r_outline.push_back(to_point);
prev_point = to_point;
to_point = next_point_angle;
limit--;
}
}

188
modules/csg/csg_shape.cpp
View File

@ -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;
}
@ -307,23 +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() {
@ -337,8 +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);
@ -352,6 +401,7 @@ CSGShape::CSGShape() {
parent = NULL;
use_collision = false;
operation = OPERATION_UNION;
snap = 0.001;
}
CSGShape::~CSGShape() {
@ -362,79 +412,12 @@ CSGShape::~CSGShape() {
}
//////////////////////////////////
CSGBrush *CSGCombiner::_build_brush(AABB *r_aabb) {
CSGBrush *CSGCombiner::_build_brush() {
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);
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;
}
/////////////////////
@ -484,7 +467,7 @@ CSGPrimitive::CSGPrimitive() {
/////////////////////
CSGBrush *CSGMesh::_build_brush(AABB *r_aabb) {
CSGBrush *CSGMesh::_build_brush() {
if (!mesh.is_valid())
return NULL;
@ -494,8 +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) {
@ -665,7 +646,7 @@ Ref<Mesh> CSGMesh::get_mesh() {
////////////////////////////////
CSGBrush *CSGSphere::_build_brush(AABB *r_aabb) {
CSGBrush *CSGSphere::_build_brush() {
// set our bounding box
@ -781,9 +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;
}
@ -870,7 +848,7 @@ CSGSphere::CSGSphere() {
///////////////
CSGBrush *CSGBox::_build_brush(AABB *r_aabb) {
CSGBrush *CSGBox::_build_brush() {
// set our bounding box
@ -972,9 +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;
}
@ -1048,7 +1023,7 @@ CSGBox::CSGBox() {
///////////////
CSGBrush *CSGCylinder::_build_brush(AABB *r_aabb) {
CSGBrush *CSGCylinder::_build_brush() {
// set our bounding box
@ -1181,9 +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;
}
@ -1286,7 +1258,7 @@ CSGCylinder::CSGCylinder() {
///////////////
CSGBrush *CSGTorus::_build_brush(AABB *r_aabb) {
CSGBrush *CSGTorus::_build_brush() {
// set our bounding box
@ -1409,10 +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;
}
@ -1516,7 +1484,7 @@ CSGTorus::CSGTorus() {
///////////////
CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
CSGBrush *CSGPolygon::_build_brush() {
// set our bounding box
@ -1929,10 +1897,6 @@ CSGBrush *CSGPolygon::_build_brush(AABB *r_aabb) {
brush->build_from_faces(faces, uvs, smooth, materials, invert);
if (r_aabb) {
*r_aabb = aabb;
}
return brush;
}

27
modules/csg/csg_shape.h
View File

@ -27,6 +27,7 @@ private:
AABB node_aabb;
bool dirty;
float snap;
bool use_collision;
Ref<ConcavePolygonShape> root_collision_shape;
@ -59,7 +60,7 @@ private:
protected:
void _notification(int p_what);
virtual CSGBrush *_build_brush(AABB *r_aabb) = 0;
virtual CSGBrush *_build_brush() = 0;
void _make_dirty();
static void _bind_methods();
@ -81,6 +82,9 @@ public:
void set_use_collision(bool p_enable);
bool is_using_collision() const;
void set_snap(float p_snap);
float get_snap() const;
bool is_root_shape() const;
CSGShape();
~CSGShape();
@ -91,16 +95,9 @@ VARIANT_ENUM_CAST(CSGShape::Operation)
class CSGCombiner : public CSGShape {
GDCLASS(CSGCombiner, CSGShape)
private:
float snap;
virtual CSGBrush *_build_brush(AABB *r_aabb);
protected:
static void _bind_methods();
virtual CSGBrush *_build_brush();
public:
void set_snap(float p_snap);
float get_snap() const;
CSGCombiner();
};
@ -124,7 +121,7 @@ public:
class CSGMesh : public CSGPrimitive {
GDCLASS(CSGMesh, CSGPrimitive)
virtual CSGBrush *_build_brush(AABB *r_aabb);
virtual CSGBrush *_build_brush();
Ref<Mesh> mesh;
@ -141,7 +138,7 @@ public:
class CSGSphere : public CSGPrimitive {
GDCLASS(CSGSphere, CSGPrimitive)
virtual CSGBrush *_build_brush(AABB *r_aabb);
virtual CSGBrush *_build_brush();
Ref<Material> material;
bool smooth_faces;
@ -174,7 +171,7 @@ public:
class CSGBox : public CSGPrimitive {
GDCLASS(CSGBox, CSGPrimitive)
virtual CSGBrush *_build_brush(AABB *r_aabb);
virtual CSGBrush *_build_brush();
Ref<Material> material;
float width;
@ -203,7 +200,7 @@ public:
class CSGCylinder : public CSGPrimitive {
GDCLASS(CSGCylinder, CSGPrimitive)
virtual CSGBrush *_build_brush(AABB *r_aabb);
virtual CSGBrush *_build_brush();
Ref<Material> material;
float radius;
@ -240,7 +237,7 @@ public:
class CSGTorus : public CSGPrimitive {
GDCLASS(CSGTorus, CSGPrimitive)
virtual CSGBrush *_build_brush(AABB *r_aabb);
virtual CSGBrush *_build_brush();
Ref<Material> material;
float inner_radius;
@ -292,7 +289,7 @@ public:
};
private:
virtual CSGBrush *_build_brush(AABB *r_aabb);
virtual CSGBrush *_build_brush();
Vector<Vector2> polygon;
Ref<Material> material;