mirror of
https://github.com/godotengine/godot
synced 2024-11-02 08:18:44 +00:00
4219a4cb6f
Using codespell 2.0.0. Method: ``` $ cat > ../godot-word-whitelist.txt << EOF ang curvelinear dof doubleclick fave findn GIRD leapyear lod merchantibility nd numer ois ony que seeked synching te uint unselect webp EOF $ codespell -w -q 3 -I ../godot-word-whitelist.txt --skip="./thirdparty,*.po" $ git diff // undo unwanted changes ```
200 lines
8.5 KiB
C++
200 lines
8.5 KiB
C++
/*************************************************************************/
|
|
/* fbx_mesh_data.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 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 FBX_MESH_DATA_H
|
|
#define FBX_MESH_DATA_H
|
|
|
|
#include "core/templates/hash_map.h"
|
|
#include "core/templates/local_vector.h"
|
|
#include "core/templates/ordered_hash_map.h"
|
|
#include "editor/import/resource_importer_scene.h"
|
|
#include "editor/import/scene_importer_mesh_node_3d.h"
|
|
#include "scene/3d/mesh_instance_3d.h"
|
|
#include "scene/resources/surface_tool.h"
|
|
|
|
#include "fbx_bone.h"
|
|
#include "fbx_parser/FBXMeshGeometry.h"
|
|
#include "import_state.h"
|
|
#include "tools/import_utils.h"
|
|
|
|
struct FBXNode;
|
|
struct FBXMeshData;
|
|
struct FBXBone;
|
|
struct ImportState;
|
|
|
|
typedef int Vertex;
|
|
typedef int SurfaceId;
|
|
typedef int PolygonId;
|
|
typedef int DataIndex;
|
|
|
|
struct SurfaceData {
|
|
Ref<SurfaceTool> surface_tool;
|
|
OrderedHashMap<Vertex, int> lookup_table; // proposed fix is to replace lookup_table[vertex_id] to give the position of the vertices_map[int] index.
|
|
LocalVector<Vertex> vertices_map; // this must be ordered the same as insertion <-- slow to do find() operation.
|
|
Ref<Material> material;
|
|
HashMap<PolygonId, Vector<DataIndex>> surface_polygon_vertex;
|
|
Array morphs;
|
|
};
|
|
|
|
struct VertexWeightMapping {
|
|
Vector<real_t> weights;
|
|
Vector<int> bones;
|
|
// This extra vector is used because the bone id is computed in a second step.
|
|
// TODO Get rid of this extra step is a good idea.
|
|
Vector<Ref<FBXBone>> bones_ref;
|
|
};
|
|
|
|
template <class T>
|
|
struct VertexData {
|
|
int polygon_index;
|
|
T data;
|
|
};
|
|
|
|
// Caches mesh information and instantiates meshes for you using helper functions.
|
|
struct FBXMeshData : Reference {
|
|
struct MorphVertexData {
|
|
// TODO we have only these??
|
|
/// Each element is a vertex. Not supposed to be void.
|
|
Vector<Vector3> vertices;
|
|
/// Each element is a vertex. Not supposed to be void.
|
|
Vector<Vector3> normals;
|
|
};
|
|
|
|
// FIXME: remove this is a hack for testing only
|
|
mutable const FBXDocParser::MeshGeometry *mesh_geometry = nullptr;
|
|
|
|
Ref<FBXNode> mesh_node = nullptr;
|
|
/// vertex id, Weight Info
|
|
/// later: perf we can use array here
|
|
HashMap<int, VertexWeightMapping> vertex_weights;
|
|
|
|
// translate fbx mesh data from document context to FBX Mesh Geometry Context
|
|
bool valid_weight_indexes = false;
|
|
|
|
EditorSceneImporterMeshNode3D *create_fbx_mesh(const ImportState &state, const FBXDocParser::MeshGeometry *p_mesh_geometry, const FBXDocParser::Model *model, bool use_compression);
|
|
|
|
void gen_weight_info(Ref<SurfaceTool> st, int vertex_id) const;
|
|
|
|
/* mesh maximum weight count */
|
|
bool valid_weight_count = false;
|
|
int max_weight_count = 0;
|
|
uint64_t armature_id = 0;
|
|
bool valid_armature_id = false;
|
|
EditorSceneImporterMeshNode3D *godot_mesh_instance = nullptr;
|
|
|
|
private:
|
|
void sanitize_vertex_weights(const ImportState &state);
|
|
|
|
/// Make sure to reorganize the vertices so that the correct UV is taken.
|
|
/// This step is needed because differently from the normal, that can be
|
|
/// combined, the UV may need its own triangle because sometimes they have
|
|
/// really different UV for the same vertex but different polygon.
|
|
/// This function make sure to add another vertex for those UVS.
|
|
void reorganize_vertices(
|
|
std::vector<int> &r_polygon_indices,
|
|
std::vector<Vector3> &r_vertices,
|
|
HashMap<int, Vector3> &r_normals,
|
|
HashMap<int, Vector2> &r_uv_1,
|
|
HashMap<int, Vector2> &r_uv_2,
|
|
HashMap<int, Color> &r_color,
|
|
HashMap<String, MorphVertexData> &r_morphs,
|
|
HashMap<int, HashMap<int, Vector3>> &r_normals_raw,
|
|
HashMap<int, HashMap<int, Color>> &r_colors_raw,
|
|
HashMap<int, HashMap<int, Vector2>> &r_uv_1_raw,
|
|
HashMap<int, HashMap<int, Vector2>> &r_uv_2_raw);
|
|
|
|
void add_vertex(
|
|
const ImportState &state,
|
|
Ref<SurfaceTool> p_surface_tool,
|
|
real_t p_scale,
|
|
int p_vertex,
|
|
const std::vector<Vector3> &p_vertices_position,
|
|
const HashMap<int, Vector3> &p_normals,
|
|
const HashMap<int, Vector2> &p_uvs_0,
|
|
const HashMap<int, Vector2> &p_uvs_1,
|
|
const HashMap<int, Color> &p_colors,
|
|
const Vector3 &p_morph_value = Vector3(),
|
|
const Vector3 &p_morph_normal = Vector3());
|
|
|
|
void triangulate_polygon(SurfaceData *surface, const Vector<int> &p_polygon_vertex, const std::vector<Vector3> &p_vertices) const;
|
|
|
|
/// This function is responsible to convert the FBX polygon vertex to
|
|
/// vertex index.
|
|
/// The polygon vertices are stored in an array with some negative
|
|
/// values. The negative values define the last face index.
|
|
/// For example the following `face_array` contains two faces, the former
|
|
/// with 3 vertices and the latter with a line:
|
|
/// [0,2,-2,3,-5]
|
|
/// Parsed as:
|
|
/// [0, 2, 1, 3, 4]
|
|
/// The negative values are computed using this formula: `(-value) - 1`
|
|
///
|
|
/// Returns the vertex index from the polygon vertex.
|
|
/// Returns -1 if `p_index` is invalid.
|
|
int get_vertex_from_polygon_vertex(const std::vector<int> &p_face_indices, int p_index) const;
|
|
|
|
/// Returns true if this polygon_vertex_index is the end of a new polygon.
|
|
bool is_end_of_polygon(const std::vector<int> &p_face_indices, int p_index) const;
|
|
|
|
/// Returns true if this polygon_vertex_index is the begin of a new polygon.
|
|
bool is_start_of_polygon(const std::vector<int> &p_face_indices, int p_index) const;
|
|
|
|
/// Returns the number of polygons.
|
|
int count_polygons(const std::vector<int> &p_face_indices) const;
|
|
|
|
/// Used to extract data from the `MappingData` aligned with vertex.
|
|
/// Useful to extract normal/uvs/colors/tangents/etc...
|
|
/// If the function fails somehow, it returns an hollow vector and print an error.
|
|
template <class R, class T>
|
|
HashMap<int, R> extract_per_vertex_data(
|
|
int p_vertex_count,
|
|
const std::vector<FBXDocParser::MeshGeometry::Edge> &p_edges,
|
|
const std::vector<int> &p_mesh_indices,
|
|
const FBXDocParser::MeshGeometry::MappingData<T> &p_mapping_data,
|
|
R (*collector_function)(const Vector<VertexData<T>> *p_vertex_data, R p_fall_back),
|
|
R p_fall_back) const;
|
|
|
|
/// Used to extract data from the `MappingData` organized per polygon.
|
|
/// Useful to extract the material
|
|
/// If the function fails somehow, it returns an hollow vector and print an error.
|
|
template <class T>
|
|
HashMap<int, T> extract_per_polygon(
|
|
int p_vertex_count,
|
|
const std::vector<int> &p_face_indices,
|
|
const FBXDocParser::MeshGeometry::MappingData<T> &p_fbx_data,
|
|
T p_fallback_value) const;
|
|
|
|
/// Extracts the morph data and organizes it per vertices.
|
|
/// The returned `MorphVertexData` arrays are never something different
|
|
/// then the `vertex_count`.
|
|
void extract_morphs(const FBXDocParser::MeshGeometry *mesh_geometry, HashMap<String, MorphVertexData> &r_data);
|
|
};
|
|
|
|
#endif // FBX_MESH_DATA_H
|