/*************************************************************************/ /* surface_tool.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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); public: struct Vertex { Vector3 vertex; Color color; Vector3 normal; // normal, binormal, tangent Vector3 binormal; Vector3 tangent; Vector2 uv; Vector2 uv2; Vector bones; Vector weights; Color custom[RS::ARRAY_CUSTOM_COUNT]; bool operator==(const Vertex &p_vertex) const; Vertex() {} }; enum CustomFormat { CUSTOM_RGBA8_UNORM = RS::ARRAY_CUSTOM_RGBA8_UNORM, CUSTOM_RGBA8_SNORM = RS::ARRAY_CUSTOM_RGBA8_SNORM, CUSTOM_RG_HALF = RS::ARRAY_CUSTOM_RG_HALF, CUSTOM_RGBA_HALF = RS::ARRAY_CUSTOM_RGBA_HALF, CUSTOM_R_FLOAT = RS::ARRAY_CUSTOM_R_FLOAT, CUSTOM_RG_FLOAT = RS::ARRAY_CUSTOM_RG_FLOAT, CUSTOM_RGB_FLOAT = RS::ARRAY_CUSTOM_RGB_FLOAT, CUSTOM_RGBA_FLOAT = RS::ARRAY_CUSTOM_RGBA_FLOAT, CUSTOM_MAX = RS::ARRAY_CUSTOM_MAX }; enum SkinWeightCount { SKIN_4_WEIGHTS, SKIN_8_WEIGHTS }; 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; //arrays List vertex_array; List index_array; Map smooth_groups; //memory Color last_color; Vector3 last_normal; Vector2 last_uv; Vector2 last_uv2; Vector last_bones; Vector last_weights; Plane last_tangent; SkinWeightCount skin_weights; Color last_custom[RS::ARRAY_CUSTOM_COUNT]; CustomFormat last_custom_format[RS::ARRAY_CUSTOM_COUNT]; void _create_list_from_arrays(Array arr, List *r_vertex, List *r_index, uint32_t &lformat); void _create_list(const Ref &p_existing, int p_surface, List *r_vertex, List *r_index, uint32_t &lformat); //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 set_skin_weight_count(SkinWeightCount p_weights); SkinWeightCount get_skin_weight_count() const; void set_custom_format(int p_index, CustomFormat p_format); CustomFormat get_custom_format(int p_index) const; void begin(Mesh::PrimitiveType p_primitive); void set_color(Color p_color); void set_normal(const Vector3 &p_normal); void set_tangent(const Plane &p_tangent); void set_uv(const Vector2 &p_uv); void set_uv2(const Vector2 &p_uv2); void set_custom(int p_index, const Color &p_custom); void set_bones(const Vector &p_bones); void set_weights(const Vector &p_weights); void add_vertex(const Vector3 &p_vertex); void add_smooth_group(bool p_smooth); void add_triangle_fan(const Vector &p_vertices, const Vector &p_uvs = Vector(), const Vector &p_colors = Vector(), const Vector &p_uv2s = Vector(), const Vector &p_normals = Vector(), const Vector &p_tangents = Vector()); 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 &p_material); void clear(); List &get_vertex_array() { return vertex_array; } void create_from_triangle_arrays(const Array &p_arrays); static Vector create_vertex_array_from_triangle_arrays(const Array &p_arrays, uint32_t *r_format = nullptr); Array commit_to_arrays(); void create_from(const Ref &p_existing, int p_surface); void create_from_blend_shape(const Ref &p_existing, int p_surface, const String &p_blend_shape_name); void append_from(const Ref &p_existing, int p_surface, const Transform &p_xform); Ref commit(const Ref &p_existing = Ref(), uint32_t p_flags = 0); SurfaceTool(); }; VARIANT_ENUM_CAST(SurfaceTool::CustomFormat) VARIANT_ENUM_CAST(SurfaceTool::SkinWeightCount) #endif