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Merge commit godotengine/godot@1f47e4c4e3

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Spartan322
2024-12-04 20:11:58 -05:00
parent c866a48289 1f47e4c4e3
commit c3314b0ab0
798 changed files with 28373 additions and 5874 deletions
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148
modules/csg/csg.h
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@@ -57,150 +57,18 @@ struct CSGBrush {
Vector<Face> faces;
Vector<Ref<Material>> materials;
inline void _regen_face_aabbs();
inline void _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]);
}
}
// 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 Transform3D &p_xform);
};
struct CSGBrushOperation {
enum Operation {
OPERATION_UNION,
OPERATION_INTERSECTION,
OPERATION_SUBTRACTION,
};
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 Face {
bool from_b = false;
bool inside = false;
int points[3] = {};
Vector2 uvs[3];
bool smooth = false;
bool invert = false;
int material_idx = 0;
};
struct FaceBVH {
int face = 0;
int left = 0;
int right = 0;
int next = 0;
Vector3 center;
AABB aabb;
};
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 FaceBVHCmpY {
_FORCE_INLINE_ bool operator()(const FaceBVH *p_left, const FaceBVH *p_right) const {
return p_left->center.y < p_right->center.y;
}
};
struct FaceBVHCmpZ {
_FORCE_INLINE_ bool operator()(const FaceBVH *p_left, const FaceBVH *p_right) const {
return p_left->center.z < p_right->center.z;
}
};
struct VertexKey {
int32_t x, y, z;
_FORCE_INLINE_ bool operator<(const VertexKey &p_key) const {
if (x == p_key.x) {
if (y == p_key.y) {
return z < p_key.z;
} else {
return y < p_key.y;
}
} else {
return x < p_key.x;
}
}
_FORCE_INLINE_ bool operator==(const VertexKey &p_key) const {
return (x == p_key.x && y == p_key.y && z == p_key.z);
}
};
struct VertexKeyHash {
static _FORCE_INLINE_ uint32_t hash(const VertexKey &p_vk) {
uint32_t h = hash_murmur3_one_32(p_vk.x);
h = hash_murmur3_one_32(p_vk.y, h);
h = hash_murmur3_one_32(p_vk.z, h);
return h;
}
};
struct Intersection {
bool found = false;
real_t conormal = FLT_MAX;
real_t distance_squared = FLT_MAX;
real_t origin_angle = FLT_MAX;
};
struct IntersectionDistance {
bool is_conormal;
real_t distance_squared;
};
Vector<Vector3> points;
Vector<Face> faces;
HashMap<Ref<Material>, int> materials;
HashMap<Vector3, int> vertex_map;
OAHashMap<VertexKey, int, VertexKeyHash> snap_cache;
float vertex_snap = 0.0;
inline void _add_distance(List<IntersectionDistance> &r_intersectionsA, List<IntersectionDistance> &r_intersectionsB, bool p_from_B, real_t p_distance, bool p_is_conormal) const;
inline bool _bvh_inside(FaceBVH *r_facebvhptr, int p_max_depth, int p_bvh_first, int p_face_idx) const;
inline int _create_bvh(FaceBVH *r_facebvhptr, FaceBVH **r_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 Build2DFaces {
struct Vertex2D {
Vector2 point;
Vector2 uv;
};
struct Face2D {
int vertex_idx[3] = {};
};
Vector<Vertex2D> vertices;
Vector<Face2D> faces;
Plane plane;
Transform3D to_2D;
Transform3D to_3D;
float vertex_snap2 = 0.0;
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 Build2DFaceCollection {
HashMap<int, Build2DFaces> build2DFacesA;
HashMap<int, Build2DFaces> build2DFacesB;
};
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