mirror of
https://github.com/Relintai/pandemonium_engine_minimal.git
synced 2024-12-28 18:57:15 +01:00
535 lines
18 KiB
C++
535 lines
18 KiB
C++
/*************************************************************************/
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/* importer_mesh.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "importer_mesh.h"
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#include "core/math/random_pcg.h"
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#include "scene/resources/mesh/surface_tool.h"
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#include "core/object/method_bind_ext.gen.inc"
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#include <cstdint>
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void ImporterMesh::Surface::split_normals(const LocalVector<int> &p_indices, const LocalVector<Vector3> &p_normals) {
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_split_normals(arrays, p_indices, p_normals);
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for (int i = 0; i < blend_shape_data.size(); ++i) {
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_split_normals(blend_shape_data.write[i].arrays, p_indices, p_normals);
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}
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}
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void ImporterMesh::Surface::_split_normals(Array &r_arrays, const LocalVector<int> &p_indices, const LocalVector<Vector3> &p_normals) {
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ERR_FAIL_COND(r_arrays.size() != RS::ARRAY_MAX);
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const PoolVector3Array &vertices = r_arrays[RS::ARRAY_VERTEX];
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int current_vertex_count = vertices.size();
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int new_vertex_count = p_indices.size();
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int final_vertex_count = current_vertex_count + new_vertex_count;
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const int *indices_ptr = p_indices.ptr();
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for (int i = 0; i < r_arrays.size(); i++) {
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if (i == RS::ARRAY_INDEX) {
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continue;
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}
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if (r_arrays[i].get_type() == Variant::NIL) {
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continue;
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}
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switch (r_arrays[i].get_type()) {
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case Variant::POOL_VECTOR3_ARRAY: {
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PoolVector3Array data = r_arrays[i];
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data.resize(final_vertex_count);
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PoolVector3Array::Write w = data.write();
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Vector3 *data_ptr = w.ptr();
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if (i == RS::ARRAY_NORMAL) {
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const Vector3 *normals_ptr = p_normals.ptr();
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memcpy(&data_ptr[current_vertex_count], normals_ptr, sizeof(Vector3) * new_vertex_count);
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} else {
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for (int j = 0; j < new_vertex_count; j++) {
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data_ptr[current_vertex_count + j] = data_ptr[indices_ptr[j]];
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}
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}
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r_arrays[i] = data;
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} break;
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case Variant::POOL_VECTOR2_ARRAY: {
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PoolVector2Array data = r_arrays[i];
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data.resize(final_vertex_count);
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PoolVector2Array::Write w = data.write();
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Vector2 *data_ptr = w.ptr();
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for (int j = 0; j < new_vertex_count; j++) {
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data_ptr[current_vertex_count + j] = data_ptr[indices_ptr[j]];
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}
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r_arrays[i] = data;
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} break;
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case Variant::POOL_REAL_ARRAY: {
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PoolRealArray data = r_arrays[i];
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int elements = data.size() / current_vertex_count;
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data.resize(final_vertex_count * elements);
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PoolRealArray::Write w = data.write();
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float *data_ptr = w.ptr();
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for (int j = 0; j < new_vertex_count; j++) {
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memcpy(&data_ptr[(current_vertex_count + j) * elements], &data_ptr[indices_ptr[j] * elements], sizeof(float) * elements);
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}
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r_arrays[i] = data;
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} break;
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case Variant::POOL_INT_ARRAY: {
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PoolIntArray data = r_arrays[i];
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int elements = data.size() / current_vertex_count;
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data.resize(final_vertex_count * elements);
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PoolIntArray::Write w = data.write();
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int32_t *data_ptr = w.ptr();
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for (int j = 0; j < new_vertex_count; j++) {
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memcpy(&data_ptr[(current_vertex_count + j) * elements], &data_ptr[indices_ptr[j] * elements], sizeof(int32_t) * elements);
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}
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r_arrays[i] = data;
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} break;
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case Variant::POOL_BYTE_ARRAY: {
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PoolByteArray data = r_arrays[i];
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int elements = data.size() / current_vertex_count;
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data.resize(final_vertex_count * elements);
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PoolByteArray::Write w = data.write();
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uint8_t *data_ptr = w.ptr();
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for (int j = 0; j < new_vertex_count; j++) {
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memcpy(&data_ptr[(current_vertex_count + j) * elements], &data_ptr[indices_ptr[j] * elements], sizeof(uint8_t) * elements);
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}
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r_arrays[i] = data;
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} break;
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case Variant::POOL_COLOR_ARRAY: {
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PoolColorArray data = r_arrays[i];
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data.resize(final_vertex_count);
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PoolColorArray::Write w = data.write();
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Color *data_ptr = w.ptr();
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for (int j = 0; j < new_vertex_count; j++) {
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data_ptr[current_vertex_count + j] = data_ptr[indices_ptr[j]];
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}
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r_arrays[i] = data;
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} break;
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default: {
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ERR_FAIL_MSG("Unhandled array type.");
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} break;
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}
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}
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}
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void ImporterMesh::add_blend_shape(const String &p_name) {
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ERR_FAIL_COND(surfaces.size() > 0);
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blend_shapes.push_back(p_name);
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}
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int ImporterMesh::get_blend_shape_count() const {
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return blend_shapes.size();
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}
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String ImporterMesh::get_blend_shape_name(int p_blend_shape) const {
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ERR_FAIL_INDEX_V(p_blend_shape, blend_shapes.size(), String());
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return blend_shapes[p_blend_shape];
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}
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void ImporterMesh::set_blend_shape_mode(Mesh::BlendShapeMode p_blend_shape_mode) {
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blend_shape_mode = p_blend_shape_mode;
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}
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Mesh::BlendShapeMode ImporterMesh::get_blend_shape_mode() const {
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return blend_shape_mode;
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}
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void ImporterMesh::add_surface(Mesh::PrimitiveType p_primitive, const Array &p_arrays, const Array &p_blend_shapes, const Dictionary &p_lods, const Ref<Material> &p_material, const String &p_name, const uint32_t p_flags) {
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ERR_FAIL_COND(p_blend_shapes.size() != blend_shapes.size());
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ERR_FAIL_COND(p_arrays.size() != Mesh::ARRAY_MAX);
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Surface s;
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s.primitive = p_primitive;
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s.arrays = p_arrays;
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s.name = p_name;
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s.flags = p_flags;
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Vector<Vector3> vertex_array = p_arrays[Mesh::ARRAY_VERTEX];
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int vertex_count = vertex_array.size();
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ERR_FAIL_COND(vertex_count == 0);
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for (int i = 0; i < blend_shapes.size(); i++) {
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Array bsdata = p_blend_shapes[i];
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ERR_FAIL_COND(bsdata.size() != Mesh::ARRAY_MAX);
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Vector<Vector3> vertex_data = bsdata[Mesh::ARRAY_VERTEX];
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ERR_FAIL_COND(vertex_data.size() != vertex_count);
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Surface::BlendShape bs;
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bs.arrays = bsdata;
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s.blend_shape_data.push_back(bs);
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}
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List<Variant> lods;
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p_lods.get_key_list(&lods);
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for (List<Variant>::Element *E = lods.front(); E; E = E->next()) {
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Variant e = E->get();
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ERR_CONTINUE(!e.is_num());
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Surface::LOD lod;
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lod.distance = e;
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lod.indices = p_lods[e];
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ERR_CONTINUE(lod.indices.size() == 0);
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s.lods.push_back(lod);
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}
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s.material = p_material;
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surfaces.push_back(s);
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mesh.unref();
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}
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int ImporterMesh::get_surface_count() const {
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return surfaces.size();
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}
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Mesh::PrimitiveType ImporterMesh::get_surface_primitive_type(int p_surface) {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), Mesh::PRIMITIVE_TRIANGLES);
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return surfaces[p_surface].primitive;
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}
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Array ImporterMesh::get_surface_arrays(int p_surface) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), Array());
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return surfaces[p_surface].arrays;
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}
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String ImporterMesh::get_surface_name(int p_surface) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), String());
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return surfaces[p_surface].name;
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}
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void ImporterMesh::set_surface_name(int p_surface, const String &p_name) {
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ERR_FAIL_INDEX(p_surface, surfaces.size());
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surfaces.write[p_surface].name = p_name;
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mesh.unref();
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}
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Array ImporterMesh::get_surface_blend_shape_arrays(int p_surface, int p_blend_shape) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), Array());
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ERR_FAIL_INDEX_V(p_blend_shape, surfaces[p_surface].blend_shape_data.size(), Array());
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return surfaces[p_surface].blend_shape_data[p_blend_shape].arrays;
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}
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int ImporterMesh::get_surface_lod_count(int p_surface) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), 0);
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return surfaces[p_surface].lods.size();
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}
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Vector<int> ImporterMesh::get_surface_lod_indices(int p_surface, int p_lod) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), Vector<int>());
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ERR_FAIL_INDEX_V(p_lod, surfaces[p_surface].lods.size(), Vector<int>());
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return surfaces[p_surface].lods[p_lod].indices;
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}
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float ImporterMesh::get_surface_lod_size(int p_surface, int p_lod) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), 0);
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ERR_FAIL_INDEX_V(p_lod, surfaces[p_surface].lods.size(), 0);
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return surfaces[p_surface].lods[p_lod].distance;
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}
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uint32_t ImporterMesh::get_surface_format(int p_surface) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), 0);
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return surfaces[p_surface].flags;
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}
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Ref<Material> ImporterMesh::get_surface_material(int p_surface) const {
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ERR_FAIL_INDEX_V(p_surface, surfaces.size(), Ref<Material>());
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return surfaces[p_surface].material;
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}
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void ImporterMesh::set_surface_material(int p_surface, const Ref<Material> &p_material) {
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ERR_FAIL_INDEX(p_surface, surfaces.size());
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surfaces.write[p_surface].material = p_material;
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mesh.unref();
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}
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bool ImporterMesh::has_mesh() const {
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return mesh.is_valid();
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}
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Ref<ArrayMesh> ImporterMesh::get_mesh(const Ref<ArrayMesh> &p_base) {
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ERR_FAIL_COND_V(surfaces.size() == 0, Ref<ArrayMesh>());
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if (mesh.is_null()) {
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if (p_base.is_valid()) {
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mesh = p_base;
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}
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if (mesh.is_null()) {
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mesh.instance();
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}
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mesh->set_name(get_name());
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if (has_meta("import_id")) {
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mesh->set_meta("import_id", get_meta("import_id"));
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}
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for (int i = 0; i < blend_shapes.size(); i++) {
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mesh->add_blend_shape(blend_shapes[i]);
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}
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mesh->set_blend_shape_mode(blend_shape_mode);
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for (int i = 0; i < surfaces.size(); i++) {
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Array bs_data;
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if (surfaces[i].blend_shape_data.size()) {
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for (int j = 0; j < surfaces[i].blend_shape_data.size(); j++) {
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bs_data.push_back(surfaces[i].blend_shape_data[j].arrays);
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}
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}
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mesh->add_surface_from_arrays(surfaces[i].primitive, surfaces[i].arrays, bs_data, surfaces[i].flags);
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if (surfaces[i].material.is_valid()) {
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mesh->surface_set_material(mesh->get_surface_count() - 1, surfaces[i].material);
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}
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if (!surfaces[i].name.empty()) {
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mesh->surface_set_name(mesh->get_surface_count() - 1, surfaces[i].name);
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}
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}
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}
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return mesh;
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}
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void ImporterMesh::clear() {
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surfaces.clear();
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blend_shapes.clear();
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mesh.unref();
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}
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void ImporterMesh::_set_data(const Dictionary &p_data) {
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clear();
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if (p_data.has("blend_shape_names")) {
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blend_shapes = p_data["blend_shape_names"];
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}
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if (p_data.has("surfaces")) {
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Array surface_arr = p_data["surfaces"];
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for (int i = 0; i < surface_arr.size(); i++) {
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Dictionary s = surface_arr[i];
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ERR_CONTINUE(!s.has("primitive"));
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ERR_CONTINUE(!s.has("arrays"));
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Mesh::PrimitiveType prim = Mesh::PrimitiveType(int(s["primitive"]));
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ERR_CONTINUE(prim >= Mesh::PRIMITIVE_TRIANGLES);
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Array arr = s["arrays"];
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Dictionary lods;
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String name;
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if (s.has("name")) {
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name = s["name"];
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}
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if (s.has("lods")) {
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lods = s["lods"];
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}
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Array b_shapes;
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if (s.has("b_shapes")) {
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b_shapes = s["b_shapes"];
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}
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Ref<Material> material;
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if (s.has("material")) {
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material = s["material"];
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}
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uint32_t flags = 0;
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if (s.has("flags")) {
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flags = s["flags"];
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}
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add_surface(prim, arr, b_shapes, lods, material, name, flags);
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}
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}
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}
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Dictionary ImporterMesh::_get_data() const {
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Dictionary data;
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if (blend_shapes.size()) {
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data["blend_shape_names"] = blend_shapes;
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}
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Array surface_arr;
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for (int i = 0; i < surfaces.size(); i++) {
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Dictionary d;
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d["primitive"] = surfaces[i].primitive;
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d["arrays"] = surfaces[i].arrays;
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if (surfaces[i].blend_shape_data.size()) {
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Array bs_data;
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for (int j = 0; j < surfaces[i].blend_shape_data.size(); j++) {
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bs_data.push_back(surfaces[i].blend_shape_data[j].arrays);
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}
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d["blend_shapes"] = bs_data;
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}
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if (surfaces[i].lods.size()) {
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Dictionary lods;
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for (int j = 0; j < surfaces[i].lods.size(); j++) {
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lods[surfaces[i].lods[j].distance] = surfaces[i].lods[j].indices;
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}
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d["lods"] = lods;
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}
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if (surfaces[i].material.is_valid()) {
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d["material"] = surfaces[i].material;
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}
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if (!surfaces[i].name.empty()) {
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d["name"] = surfaces[i].name;
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}
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if (surfaces[i].flags != 0) {
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d["flags"] = surfaces[i].flags;
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}
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surface_arr.push_back(d);
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}
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data["surfaces"] = surface_arr;
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return data;
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}
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Vector<Face3> ImporterMesh::get_faces() const {
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Vector<Face3> faces;
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for (int i = 0; i < surfaces.size(); i++) {
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if (surfaces[i].primitive == Mesh::PRIMITIVE_TRIANGLES) {
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Vector<Vector3> vertices = surfaces[i].arrays[Mesh::ARRAY_VERTEX];
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Vector<int> indices = surfaces[i].arrays[Mesh::ARRAY_INDEX];
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if (indices.size()) {
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for (int j = 0; j < indices.size(); j += 3) {
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Face3 f;
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f.vertex[0] = vertices[indices[j + 0]];
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f.vertex[1] = vertices[indices[j + 1]];
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f.vertex[2] = vertices[indices[j + 2]];
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faces.push_back(f);
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}
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} else {
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for (int j = 0; j < vertices.size(); j += 3) {
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Face3 f;
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f.vertex[0] = vertices[j + 0];
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f.vertex[1] = vertices[j + 1];
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f.vertex[2] = vertices[j + 2];
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faces.push_back(f);
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}
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}
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}
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}
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return faces;
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}
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Ref<Shape> ImporterMesh::create_trimesh_shape() const {
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Vector<Face3> faces = get_faces();
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if (faces.size() == 0) {
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return Ref<Shape>();
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}
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PoolVector<Vector3> face_points;
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face_points.resize(faces.size() * 3);
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for (int i = 0; i < face_points.size(); i += 3) {
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Face3 f = faces.get(i / 3);
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face_points.set(i, f.vertex[0]);
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face_points.set(i + 1, f.vertex[1]);
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face_points.set(i + 2, f.vertex[2]);
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}
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Ref<ConcavePolygonShape> shape = memnew(ConcavePolygonShape);
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shape->set_faces(face_points);
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return shape;
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}
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Ref<NavigationMesh> ImporterMesh::create_navigation_mesh() {
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Vector<Face3> faces = get_faces();
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if (faces.size() == 0) {
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return Ref<NavigationMesh>();
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}
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HashMap<Vector3, int> unique_vertices;
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LocalVector<int> face_indices;
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for (int i = 0; i < faces.size(); i++) {
|
|
for (int j = 0; j < 3; j++) {
|
|
Vector3 v = faces[i].vertex[j];
|
|
int idx;
|
|
if (unique_vertices.has(v)) {
|
|
idx = unique_vertices[v];
|
|
} else {
|
|
idx = unique_vertices.size();
|
|
unique_vertices[v] = idx;
|
|
}
|
|
face_indices.push_back(idx);
|
|
}
|
|
}
|
|
|
|
PoolVector<Vector3> vertices;
|
|
vertices.resize(unique_vertices.size());
|
|
|
|
const Vector3 *key = NULL;
|
|
while ((key = unique_vertices.next(key))) {
|
|
Vector3 k = *key;
|
|
vertices.set(unique_vertices[k], k);
|
|
}
|
|
|
|
Ref<NavigationMesh> nm;
|
|
nm.instance();
|
|
nm->set_vertices(vertices);
|
|
|
|
Vector<int> v3;
|
|
v3.resize(3);
|
|
for (uint32_t i = 0; i < face_indices.size(); i += 3) {
|
|
v3.write[0] = face_indices[i + 0];
|
|
v3.write[1] = face_indices[i + 1];
|
|
v3.write[2] = face_indices[i + 2];
|
|
nm->add_polygon(v3);
|
|
}
|
|
|
|
return nm;
|
|
}
|
|
|
|
struct EditorSceneFormatImporterMeshLightmapSurface {
|
|
Ref<Material> material;
|
|
LocalVector<SurfaceTool::Vertex> vertices;
|
|
Mesh::PrimitiveType primitive = Mesh::PrimitiveType::PRIMITIVE_TRIANGLES;
|
|
uint32_t format = 0;
|
|
String name;
|
|
};
|
|
|
|
|
|
void ImporterMesh::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("add_blend_shape", "name"), &ImporterMesh::add_blend_shape);
|
|
ClassDB::bind_method(D_METHOD("get_blend_shape_count"), &ImporterMesh::get_blend_shape_count);
|
|
ClassDB::bind_method(D_METHOD("get_blend_shape_name", "blend_shape_idx"), &ImporterMesh::get_blend_shape_name);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_blend_shape_mode", "mode"), &ImporterMesh::set_blend_shape_mode);
|
|
ClassDB::bind_method(D_METHOD("get_blend_shape_mode"), &ImporterMesh::get_blend_shape_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("add_surface", "primitive", "arrays", "blend_shapes", "lods", "material", "name", "flags"), &ImporterMesh::add_surface, DEFVAL(Array()), DEFVAL(Dictionary()), DEFVAL(Ref<Material>()), DEFVAL(String()), DEFVAL(0));
|
|
|
|
ClassDB::bind_method(D_METHOD("get_surface_count"), &ImporterMesh::get_surface_count);
|
|
ClassDB::bind_method(D_METHOD("get_surface_primitive_type", "surface_idx"), &ImporterMesh::get_surface_primitive_type);
|
|
ClassDB::bind_method(D_METHOD("get_surface_name", "surface_idx"), &ImporterMesh::get_surface_name);
|
|
ClassDB::bind_method(D_METHOD("get_surface_arrays", "surface_idx"), &ImporterMesh::get_surface_arrays);
|
|
ClassDB::bind_method(D_METHOD("get_surface_blend_shape_arrays", "surface_idx", "blend_shape_idx"), &ImporterMesh::get_surface_blend_shape_arrays);
|
|
ClassDB::bind_method(D_METHOD("get_surface_lod_count", "surface_idx"), &ImporterMesh::get_surface_lod_count);
|
|
ClassDB::bind_method(D_METHOD("get_surface_lod_size", "surface_idx", "lod_idx"), &ImporterMesh::get_surface_lod_size);
|
|
ClassDB::bind_method(D_METHOD("get_surface_lod_indices", "surface_idx", "lod_idx"), &ImporterMesh::get_surface_lod_indices);
|
|
ClassDB::bind_method(D_METHOD("get_surface_material", "surface_idx"), &ImporterMesh::get_surface_material);
|
|
ClassDB::bind_method(D_METHOD("get_surface_format", "surface_idx"), &ImporterMesh::get_surface_format);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_surface_name", "surface_idx", "name"), &ImporterMesh::set_surface_name);
|
|
ClassDB::bind_method(D_METHOD("set_surface_material", "surface_idx", "material"), &ImporterMesh::set_surface_material);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_mesh", "base_mesh"), &ImporterMesh::get_mesh, DEFVAL(Ref<ArrayMesh>()));
|
|
ClassDB::bind_method(D_METHOD("clear"), &ImporterMesh::clear);
|
|
|
|
ClassDB::bind_method(D_METHOD("_set_data", "data"), &ImporterMesh::_set_data);
|
|
ClassDB::bind_method(D_METHOD("_get_data"), &ImporterMesh::_get_data);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "_set_data", "_get_data");
|
|
}
|