diff options
Diffstat (limited to 'modules/csg/csg.h')
-rw-r--r-- | modules/csg/csg.h | 158 |
1 files changed, 60 insertions, 98 deletions
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 |