/**************************************************************************/ /* surface_tool.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* 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 SURFACE_TOOL_H #define SURFACE_TOOL_H #include "scene/resources/mesh.h" #include "thirdparty/misc/mikktspace.h" class SurfaceTool : public Reference { GDCLASS(SurfaceTool, Reference); friend class MergingTool; public: struct Vertex { enum { MAX_BONES = 4 }; Vector3 vertex; Color color; Vector3 normal; // normal, binormal, tangent Vector3 binormal; Vector3 tangent; Vector2 uv; Vector2 uv2; int16_t bones[MAX_BONES]; float weights[MAX_BONES]; int32_t num_bones = 0; bool operator==(const Vertex &p_vertex) const; Vertex() {} }; private: struct VertexHasher { static _FORCE_INLINE_ uint32_t hash(const Vertex &p_vtx); }; struct WeightSort { int index; float weight; bool operator<(const WeightSort &p_right) const { return weight < p_right.weight; } }; bool begun; bool first; Mesh::PrimitiveType primitive; uint32_t format; Ref<Material> material; //arrays LocalVector<Vertex> vertex_array; LocalVector<int> index_array; Map<int, bool> smooth_groups; //memory Color last_color; Vector3 last_normal; Vector2 last_uv; Vector2 last_uv2; Vector<int> last_bones; Vector<float> last_weights; Plane last_tangent; void _create_list_from_arrays(Array arr, LocalVector<Vertex> *r_vertex, LocalVector<int> *r_index, uint32_t &lformat); void _create_list(const Ref<Mesh> &p_existing, int p_surface, LocalVector<Vertex> *r_vertex, LocalVector<int> *r_index, uint32_t &lformat); void _apply_smoothing_group(HashMap<Vertex, Vector3, VertexHasher> &r_vertex_hash, uint32_t p_from, uint32_t p_to, bool &r_smooth); void _mask_format_flags(uint32_t p_mask) { format &= p_mask; } bool _sanitize_last_bones_and_weights(); uint32_t get_num_draw_vertices() const { return index_array.size() ? index_array.size() : vertex_array.size(); } //mikktspace callbacks static int mikktGetNumFaces(const SMikkTSpaceContext *pContext); static int mikktGetNumVerticesOfFace(const SMikkTSpaceContext *pContext, const int iFace); static void mikktGetPosition(const SMikkTSpaceContext *pContext, float fvPosOut[], const int iFace, const int iVert); static void mikktGetNormal(const SMikkTSpaceContext *pContext, float fvNormOut[], const int iFace, const int iVert); static void mikktGetTexCoord(const SMikkTSpaceContext *pContext, float fvTexcOut[], const int iFace, const int iVert); static void mikktSetTSpaceDefault(const SMikkTSpaceContext *pContext, const float fvTangent[], const float fvBiTangent[], const float fMagS, const float fMagT, const tbool bIsOrientationPreserving, const int iFace, const int iVert); protected: static void _bind_methods(); public: void begin(Mesh::PrimitiveType p_primitive); void add_vertex(const Vector3 &p_vertex); void add_color(Color p_color); void add_normal(const Vector3 &p_normal); void add_tangent(const Plane &p_tangent); void add_uv(const Vector2 &p_uv); void add_uv2(const Vector2 &p_uv2); void add_bones(const Vector<int> &p_bones); void add_weights(const Vector<float> &p_weights); void add_smooth_group(bool p_smooth); void add_triangle_fan(const Vector<Vector3> &p_vertices, const Vector<Vector2> &p_uvs = Vector<Vector2>(), const Vector<Color> &p_colors = Vector<Color>(), const Vector<Vector2> &p_uv2s = Vector<Vector2>(), const Vector<Vector3> &p_normals = Vector<Vector3>(), const Vector<Plane> &p_tangents = Vector<Plane>()); void add_index(int p_index); void index(); void deindex(); void generate_normals(bool p_flip = false); void generate_tangents(); void set_material(const Ref<Material> &p_material); void clear(); LocalVector<Vertex> &get_vertex_array() { return vertex_array; } void create_from_triangle_arrays(const Array &p_arrays); static Vector<Vertex> create_vertex_array_from_triangle_arrays(const Array &p_arrays); Array commit_to_arrays(); void create_from(const Ref<Mesh> &p_existing, int p_surface); void create_from_blend_shape(const Ref<Mesh> &p_existing, int p_surface, const String &p_blend_shape_name); void append_from(const Ref<Mesh> &p_existing, int p_surface, const Transform &p_xform); Ref<ArrayMesh> commit(const Ref<ArrayMesh> &p_existing = Ref<ArrayMesh>(), uint32_t p_flags = Mesh::ARRAY_COMPRESS_DEFAULT); int create_from_subset(const SurfaceTool &p_source, const LocalVector<uint32_t> &p_ids, uint32_t p_subset_id); SurfaceTool(); }; #endif // SURFACE_TOOL_H