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51ed3aef63
This allows Godot to automatically compress meshes to save a lot of bandwidth. In general, this requires no interaction from the user and should result in no noticable quality loss. This scheme is not backwards compatible, so we have provided an upgrade mechanism, and a mesh versioning mechanism. Existing meshes can still be used as a result, but users can get a performance boost by reimporting assets.
584 lines
18 KiB
C++
584 lines
18 KiB
C++
/**************************************************************************/
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/* mesh_data_tool.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "mesh_data_tool.h"
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#include "mesh_data_tool.compat.inc"
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void MeshDataTool::clear() {
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vertices.clear();
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edges.clear();
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faces.clear();
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material = Ref<Material>();
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format = 0;
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}
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Error MeshDataTool::create_from_surface(const Ref<ArrayMesh> &p_mesh, int p_surface) {
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ERR_FAIL_COND_V(p_mesh.is_null(), ERR_INVALID_PARAMETER);
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ERR_FAIL_COND_V(p_mesh->surface_get_primitive_type(p_surface) != Mesh::PRIMITIVE_TRIANGLES, ERR_INVALID_PARAMETER);
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Array arrays = p_mesh->surface_get_arrays(p_surface);
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ERR_FAIL_COND_V(arrays.is_empty(), ERR_INVALID_PARAMETER);
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Vector<Vector3> varray = arrays[Mesh::ARRAY_VERTEX];
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int vcount = varray.size();
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ERR_FAIL_COND_V(vcount == 0, ERR_INVALID_PARAMETER);
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Vector<int> indices;
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if (arrays[Mesh::ARRAY_INDEX].get_type() != Variant::NIL) {
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indices = arrays[Mesh::ARRAY_INDEX];
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} else {
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//make code simpler
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indices.resize(vcount);
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int *iw = indices.ptrw();
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for (int i = 0; i < vcount; i++) {
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iw[i] = i;
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}
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}
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int icount = indices.size();
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const int *r = indices.ptr();
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ERR_FAIL_COND_V(icount == 0, ERR_INVALID_PARAMETER);
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ERR_FAIL_COND_V(icount % 3, ERR_INVALID_PARAMETER);
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for (int i = 0; i < icount; i++) {
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ERR_FAIL_INDEX_V(r[i], vcount, ERR_INVALID_PARAMETER);
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}
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clear();
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format = p_mesh->surface_get_format(p_surface);
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material = p_mesh->surface_get_material(p_surface);
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const Vector3 *vr = varray.ptr();
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const Vector3 *nr = nullptr;
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if (arrays[Mesh::ARRAY_NORMAL].get_type() != Variant::NIL) {
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nr = arrays[Mesh::ARRAY_NORMAL].operator Vector<Vector3>().ptr();
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}
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const real_t *ta = nullptr;
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if (arrays[Mesh::ARRAY_TANGENT].get_type() != Variant::NIL) {
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ta = arrays[Mesh::ARRAY_TANGENT].operator Vector<real_t>().ptr();
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}
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const Vector2 *uv = nullptr;
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if (arrays[Mesh::ARRAY_TEX_UV].get_type() != Variant::NIL) {
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uv = arrays[Mesh::ARRAY_TEX_UV].operator Vector<Vector2>().ptr();
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}
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const Vector2 *uv2 = nullptr;
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if (arrays[Mesh::ARRAY_TEX_UV2].get_type() != Variant::NIL) {
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uv2 = arrays[Mesh::ARRAY_TEX_UV2].operator Vector<Vector2>().ptr();
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}
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const Color *col = nullptr;
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if (arrays[Mesh::ARRAY_COLOR].get_type() != Variant::NIL) {
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col = arrays[Mesh::ARRAY_COLOR].operator Vector<Color>().ptr();
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}
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const int *bo = nullptr;
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if (arrays[Mesh::ARRAY_BONES].get_type() != Variant::NIL) {
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bo = arrays[Mesh::ARRAY_BONES].operator Vector<int>().ptr();
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}
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const float *we = nullptr;
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if (arrays[Mesh::ARRAY_WEIGHTS].get_type() != Variant::NIL) {
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we = arrays[Mesh::ARRAY_WEIGHTS].operator Vector<float>().ptr();
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}
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vertices.resize(vcount);
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for (int i = 0; i < vcount; i++) {
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Vertex v;
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v.vertex = vr[i];
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if (nr) {
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v.normal = nr[i];
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}
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if (ta) {
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v.tangent = Plane(ta[i * 4 + 0], ta[i * 4 + 1], ta[i * 4 + 2], ta[i * 4 + 3]);
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}
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if (uv) {
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v.uv = uv[i];
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}
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if (uv2) {
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v.uv2 = uv2[i];
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}
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if (col) {
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v.color = col[i];
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}
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if (we) {
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v.weights.push_back(we[i * 4 + 0]);
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v.weights.push_back(we[i * 4 + 1]);
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v.weights.push_back(we[i * 4 + 2]);
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v.weights.push_back(we[i * 4 + 3]);
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}
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if (bo) {
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v.bones.push_back(bo[i * 4 + 0]);
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v.bones.push_back(bo[i * 4 + 1]);
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v.bones.push_back(bo[i * 4 + 2]);
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v.bones.push_back(bo[i * 4 + 3]);
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}
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vertices.write[i] = v;
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}
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HashMap<Point2i, int> edge_indices;
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for (int i = 0; i < icount; i += 3) {
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Vertex *v[3] = { &vertices.write[r[i + 0]], &vertices.write[r[i + 1]], &vertices.write[r[i + 2]] };
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int fidx = faces.size();
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Face face;
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for (int j = 0; j < 3; j++) {
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face.v[j] = r[i + j];
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Point2i edge(r[i + j], r[i + (j + 1) % 3]);
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if (edge.x > edge.y) {
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SWAP(edge.x, edge.y);
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}
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if (edge_indices.has(edge)) {
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face.edges[j] = edge_indices[edge];
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} else {
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face.edges[j] = edge_indices.size();
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edge_indices[edge] = face.edges[j];
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Edge e;
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e.vertex[0] = edge.x;
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e.vertex[1] = edge.y;
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edges.push_back(e);
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v[j]->edges.push_back(face.edges[j]);
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v[(j + 1) % 3]->edges.push_back(face.edges[j]);
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}
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edges.write[face.edges[j]].faces.push_back(fidx);
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v[j]->faces.push_back(fidx);
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}
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faces.push_back(face);
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}
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return OK;
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}
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Error MeshDataTool::commit_to_surface(const Ref<ArrayMesh> &p_mesh, uint64_t p_compression_flags) {
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ERR_FAIL_COND_V(p_mesh.is_null(), ERR_INVALID_PARAMETER);
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Array arr;
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arr.resize(Mesh::ARRAY_MAX);
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int vcount = vertices.size();
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Vector<Vector3> v;
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Vector<Vector3> n;
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Vector<real_t> t;
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Vector<Vector2> u;
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Vector<Vector2> u2;
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Vector<Color> c;
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Vector<int> b;
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Vector<real_t> w;
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Vector<int> in;
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{
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v.resize(vcount);
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Vector3 *vr = v.ptrw();
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Vector3 *nr = nullptr;
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if (format & Mesh::ARRAY_FORMAT_NORMAL) {
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n.resize(vcount);
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nr = n.ptrw();
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}
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real_t *ta = nullptr;
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if (format & Mesh::ARRAY_FORMAT_TANGENT) {
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t.resize(vcount * 4);
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ta = t.ptrw();
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}
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Vector2 *uv = nullptr;
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if (format & Mesh::ARRAY_FORMAT_TEX_UV) {
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u.resize(vcount);
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uv = u.ptrw();
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}
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Vector2 *uv2 = nullptr;
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if (format & Mesh::ARRAY_FORMAT_TEX_UV2) {
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u2.resize(vcount);
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uv2 = u2.ptrw();
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}
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Color *col = nullptr;
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if (format & Mesh::ARRAY_FORMAT_COLOR) {
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c.resize(vcount);
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col = c.ptrw();
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}
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int *bo = nullptr;
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if (format & Mesh::ARRAY_FORMAT_BONES) {
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b.resize(vcount * 4);
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bo = b.ptrw();
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}
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real_t *we = nullptr;
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if (format & Mesh::ARRAY_FORMAT_WEIGHTS) {
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w.resize(vcount * 4);
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we = w.ptrw();
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}
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for (int i = 0; i < vcount; i++) {
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const Vertex &vtx = vertices[i];
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vr[i] = vtx.vertex;
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if (nr) {
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nr[i] = vtx.normal;
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}
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if (ta) {
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ta[i * 4 + 0] = vtx.tangent.normal.x;
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ta[i * 4 + 1] = vtx.tangent.normal.y;
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ta[i * 4 + 2] = vtx.tangent.normal.z;
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ta[i * 4 + 3] = vtx.tangent.d;
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}
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if (uv) {
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uv[i] = vtx.uv;
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}
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if (uv2) {
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uv2[i] = vtx.uv2;
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}
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if (col) {
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col[i] = vtx.color;
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}
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if (we) {
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we[i * 4 + 0] = vtx.weights[0];
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we[i * 4 + 1] = vtx.weights[1];
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we[i * 4 + 2] = vtx.weights[2];
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we[i * 4 + 3] = vtx.weights[3];
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}
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if (bo) {
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bo[i * 4 + 0] = vtx.bones[0];
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bo[i * 4 + 1] = vtx.bones[1];
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bo[i * 4 + 2] = vtx.bones[2];
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bo[i * 4 + 3] = vtx.bones[3];
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}
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}
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int fc = faces.size();
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in.resize(fc * 3);
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int *iw = in.ptrw();
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for (int i = 0; i < fc; i++) {
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iw[i * 3 + 0] = faces[i].v[0];
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iw[i * 3 + 1] = faces[i].v[1];
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iw[i * 3 + 2] = faces[i].v[2];
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}
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}
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arr[Mesh::ARRAY_VERTEX] = v;
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arr[Mesh::ARRAY_INDEX] = in;
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if (n.size()) {
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arr[Mesh::ARRAY_NORMAL] = n;
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}
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if (c.size()) {
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arr[Mesh::ARRAY_COLOR] = c;
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}
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if (u.size()) {
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arr[Mesh::ARRAY_TEX_UV] = u;
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}
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if (u2.size()) {
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arr[Mesh::ARRAY_TEX_UV2] = u2;
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}
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if (t.size()) {
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arr[Mesh::ARRAY_TANGENT] = t;
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}
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if (b.size()) {
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arr[Mesh::ARRAY_BONES] = b;
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}
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if (w.size()) {
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arr[Mesh::ARRAY_WEIGHTS] = w;
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}
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Ref<ArrayMesh> ncmesh = p_mesh;
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int sc = ncmesh->get_surface_count();
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ncmesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, arr, TypedArray<Array>(), Dictionary(), p_compression_flags);
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ncmesh->surface_set_material(sc, material);
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return OK;
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}
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uint64_t MeshDataTool::get_format() const {
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return format;
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}
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int MeshDataTool::get_vertex_count() const {
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return vertices.size();
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}
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int MeshDataTool::get_edge_count() const {
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return edges.size();
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}
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int MeshDataTool::get_face_count() const {
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return faces.size();
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}
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Vector3 MeshDataTool::get_vertex(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector3());
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return vertices[p_idx].vertex;
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}
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void MeshDataTool::set_vertex(int p_idx, const Vector3 &p_vertex) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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vertices.write[p_idx].vertex = p_vertex;
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}
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Vector3 MeshDataTool::get_vertex_normal(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector3());
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return vertices[p_idx].normal;
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}
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void MeshDataTool::set_vertex_normal(int p_idx, const Vector3 &p_normal) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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vertices.write[p_idx].normal = p_normal;
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format |= Mesh::ARRAY_FORMAT_NORMAL;
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}
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Plane MeshDataTool::get_vertex_tangent(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Plane());
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return vertices[p_idx].tangent;
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}
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void MeshDataTool::set_vertex_tangent(int p_idx, const Plane &p_tangent) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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vertices.write[p_idx].tangent = p_tangent;
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format |= Mesh::ARRAY_FORMAT_TANGENT;
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}
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Vector2 MeshDataTool::get_vertex_uv(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector2());
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return vertices[p_idx].uv;
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}
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void MeshDataTool::set_vertex_uv(int p_idx, const Vector2 &p_uv) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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vertices.write[p_idx].uv = p_uv;
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format |= Mesh::ARRAY_FORMAT_TEX_UV;
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}
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Vector2 MeshDataTool::get_vertex_uv2(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector2());
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return vertices[p_idx].uv2;
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}
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void MeshDataTool::set_vertex_uv2(int p_idx, const Vector2 &p_uv2) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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vertices.write[p_idx].uv2 = p_uv2;
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format |= Mesh::ARRAY_FORMAT_TEX_UV2;
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}
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Color MeshDataTool::get_vertex_color(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Color());
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return vertices[p_idx].color;
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}
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void MeshDataTool::set_vertex_color(int p_idx, const Color &p_color) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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vertices.write[p_idx].color = p_color;
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format |= Mesh::ARRAY_FORMAT_COLOR;
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}
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Vector<int> MeshDataTool::get_vertex_bones(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<int>());
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return vertices[p_idx].bones;
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}
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void MeshDataTool::set_vertex_bones(int p_idx, const Vector<int> &p_bones) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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ERR_FAIL_COND(p_bones.size() != 4);
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vertices.write[p_idx].bones = p_bones;
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format |= Mesh::ARRAY_FORMAT_BONES;
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}
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Vector<float> MeshDataTool::get_vertex_weights(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<float>());
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return vertices[p_idx].weights;
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}
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void MeshDataTool::set_vertex_weights(int p_idx, const Vector<float> &p_weights) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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ERR_FAIL_COND(p_weights.size() != 4);
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vertices.write[p_idx].weights = p_weights;
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format |= Mesh::ARRAY_FORMAT_WEIGHTS;
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}
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Variant MeshDataTool::get_vertex_meta(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Variant());
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return vertices[p_idx].meta;
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}
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void MeshDataTool::set_vertex_meta(int p_idx, const Variant &p_meta) {
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ERR_FAIL_INDEX(p_idx, vertices.size());
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vertices.write[p_idx].meta = p_meta;
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}
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Vector<int> MeshDataTool::get_vertex_edges(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<int>());
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return vertices[p_idx].edges;
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}
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Vector<int> MeshDataTool::get_vertex_faces(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<int>());
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return vertices[p_idx].faces;
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}
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int MeshDataTool::get_edge_vertex(int p_edge, int p_vertex) const {
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ERR_FAIL_INDEX_V(p_edge, edges.size(), -1);
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ERR_FAIL_INDEX_V(p_vertex, 2, -1);
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return edges[p_edge].vertex[p_vertex];
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}
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Vector<int> MeshDataTool::get_edge_faces(int p_edge) const {
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ERR_FAIL_INDEX_V(p_edge, edges.size(), Vector<int>());
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return edges[p_edge].faces;
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}
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Variant MeshDataTool::get_edge_meta(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx, edges.size(), Variant());
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return edges[p_idx].meta;
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}
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void MeshDataTool::set_edge_meta(int p_idx, const Variant &p_meta) {
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ERR_FAIL_INDEX(p_idx, edges.size());
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edges.write[p_idx].meta = p_meta;
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}
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int MeshDataTool::get_face_vertex(int p_face, int p_vertex) const {
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ERR_FAIL_INDEX_V(p_face, faces.size(), -1);
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ERR_FAIL_INDEX_V(p_vertex, 3, -1);
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return faces[p_face].v[p_vertex];
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}
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int MeshDataTool::get_face_edge(int p_face, int p_vertex) const {
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ERR_FAIL_INDEX_V(p_face, faces.size(), -1);
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ERR_FAIL_INDEX_V(p_vertex, 3, -1);
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return faces[p_face].edges[p_vertex];
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}
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Variant MeshDataTool::get_face_meta(int p_face) const {
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ERR_FAIL_INDEX_V(p_face, faces.size(), Variant());
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return faces[p_face].meta;
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}
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void MeshDataTool::set_face_meta(int p_face, const Variant &p_meta) {
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ERR_FAIL_INDEX(p_face, faces.size());
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faces.write[p_face].meta = p_meta;
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}
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Vector3 MeshDataTool::get_face_normal(int p_face) const {
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ERR_FAIL_INDEX_V(p_face, faces.size(), Vector3());
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Vector3 v0 = vertices[faces[p_face].v[0]].vertex;
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Vector3 v1 = vertices[faces[p_face].v[1]].vertex;
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Vector3 v2 = vertices[faces[p_face].v[2]].vertex;
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return Plane(v0, v1, v2).normal;
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}
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Ref<Material> MeshDataTool::get_material() const {
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return material;
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}
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void MeshDataTool::set_material(const Ref<Material> &p_material) {
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material = p_material;
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}
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void MeshDataTool::_bind_methods() {
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ClassDB::bind_method(D_METHOD("clear"), &MeshDataTool::clear);
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ClassDB::bind_method(D_METHOD("create_from_surface", "mesh", "surface"), &MeshDataTool::create_from_surface);
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ClassDB::bind_method(D_METHOD("commit_to_surface", "mesh", "compression_flags"), &MeshDataTool::commit_to_surface, DEFVAL(0));
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ClassDB::bind_method(D_METHOD("get_format"), &MeshDataTool::get_format);
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ClassDB::bind_method(D_METHOD("get_vertex_count"), &MeshDataTool::get_vertex_count);
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ClassDB::bind_method(D_METHOD("get_edge_count"), &MeshDataTool::get_edge_count);
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ClassDB::bind_method(D_METHOD("get_face_count"), &MeshDataTool::get_face_count);
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|
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ClassDB::bind_method(D_METHOD("set_vertex", "idx", "vertex"), &MeshDataTool::set_vertex);
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ClassDB::bind_method(D_METHOD("get_vertex", "idx"), &MeshDataTool::get_vertex);
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|
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ClassDB::bind_method(D_METHOD("set_vertex_normal", "idx", "normal"), &MeshDataTool::set_vertex_normal);
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ClassDB::bind_method(D_METHOD("get_vertex_normal", "idx"), &MeshDataTool::get_vertex_normal);
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|
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ClassDB::bind_method(D_METHOD("set_vertex_tangent", "idx", "tangent"), &MeshDataTool::set_vertex_tangent);
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ClassDB::bind_method(D_METHOD("get_vertex_tangent", "idx"), &MeshDataTool::get_vertex_tangent);
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|
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ClassDB::bind_method(D_METHOD("set_vertex_uv", "idx", "uv"), &MeshDataTool::set_vertex_uv);
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ClassDB::bind_method(D_METHOD("get_vertex_uv", "idx"), &MeshDataTool::get_vertex_uv);
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|
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ClassDB::bind_method(D_METHOD("set_vertex_uv2", "idx", "uv2"), &MeshDataTool::set_vertex_uv2);
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ClassDB::bind_method(D_METHOD("get_vertex_uv2", "idx"), &MeshDataTool::get_vertex_uv2);
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|
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ClassDB::bind_method(D_METHOD("set_vertex_color", "idx", "color"), &MeshDataTool::set_vertex_color);
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|
ClassDB::bind_method(D_METHOD("get_vertex_color", "idx"), &MeshDataTool::get_vertex_color);
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|
|
|
ClassDB::bind_method(D_METHOD("set_vertex_bones", "idx", "bones"), &MeshDataTool::set_vertex_bones);
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|
ClassDB::bind_method(D_METHOD("get_vertex_bones", "idx"), &MeshDataTool::get_vertex_bones);
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|
|
|
ClassDB::bind_method(D_METHOD("set_vertex_weights", "idx", "weights"), &MeshDataTool::set_vertex_weights);
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|
ClassDB::bind_method(D_METHOD("get_vertex_weights", "idx"), &MeshDataTool::get_vertex_weights);
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|
|
|
ClassDB::bind_method(D_METHOD("set_vertex_meta", "idx", "meta"), &MeshDataTool::set_vertex_meta);
|
|
ClassDB::bind_method(D_METHOD("get_vertex_meta", "idx"), &MeshDataTool::get_vertex_meta);
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|
|
|
ClassDB::bind_method(D_METHOD("get_vertex_edges", "idx"), &MeshDataTool::get_vertex_edges);
|
|
ClassDB::bind_method(D_METHOD("get_vertex_faces", "idx"), &MeshDataTool::get_vertex_faces);
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|
|
|
ClassDB::bind_method(D_METHOD("get_edge_vertex", "idx", "vertex"), &MeshDataTool::get_edge_vertex);
|
|
ClassDB::bind_method(D_METHOD("get_edge_faces", "idx"), &MeshDataTool::get_edge_faces);
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|
|
|
ClassDB::bind_method(D_METHOD("set_edge_meta", "idx", "meta"), &MeshDataTool::set_edge_meta);
|
|
ClassDB::bind_method(D_METHOD("get_edge_meta", "idx"), &MeshDataTool::get_edge_meta);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_face_vertex", "idx", "vertex"), &MeshDataTool::get_face_vertex);
|
|
ClassDB::bind_method(D_METHOD("get_face_edge", "idx", "edge"), &MeshDataTool::get_face_edge);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_face_meta", "idx", "meta"), &MeshDataTool::set_face_meta);
|
|
ClassDB::bind_method(D_METHOD("get_face_meta", "idx"), &MeshDataTool::get_face_meta);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_face_normal", "idx"), &MeshDataTool::get_face_normal);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_material", "material"), &MeshDataTool::set_material);
|
|
ClassDB::bind_method(D_METHOD("get_material"), &MeshDataTool::get_material);
|
|
}
|
|
|
|
MeshDataTool::MeshDataTool() {
|
|
clear();
|
|
}
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