godot/scene/resources/mesh_data_tool.cpp
Rémi Verschelde 0be6d925dc Style: clang-format: Disable KeepEmptyLinesAtTheStartOfBlocks
Which means that reduz' beloved style which we all became used to
will now be changed automatically to remove the first empty line.

This makes us lean closer to 1TBS (the one true brace style) instead
of hybridating it with some Allman-inspired spacing.

There's still the case of braces around single-statement blocks that
needs to be addressed (but clang-format can't help with that, but
clang-tidy may if we agree about it).

Part of #33027.
2020-05-14 16:54:55 +02:00

534 lines
17 KiB
C++

/*************************************************************************/
/* mesh_data_tool.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "mesh_data_tool.h"
void MeshDataTool::clear() {
vertices.clear();
edges.clear();
faces.clear();
material = Ref<Material>();
format = 0;
}
Error MeshDataTool::create_from_surface(const Ref<ArrayMesh> &p_mesh, int p_surface) {
ERR_FAIL_COND_V(p_mesh.is_null(), ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(p_mesh->surface_get_primitive_type(p_surface) != Mesh::PRIMITIVE_TRIANGLES, ERR_INVALID_PARAMETER);
Array arrays = p_mesh->surface_get_arrays(p_surface);
ERR_FAIL_COND_V(arrays.empty(), ERR_INVALID_PARAMETER);
Vector<Vector3> varray = arrays[Mesh::ARRAY_VERTEX];
int vcount = varray.size();
ERR_FAIL_COND_V(vcount == 0, ERR_INVALID_PARAMETER);
clear();
format = p_mesh->surface_get_format(p_surface);
material = p_mesh->surface_get_material(p_surface);
const Vector3 *vr = varray.ptr();
const Vector3 *nr = nullptr;
if (arrays[Mesh::ARRAY_NORMAL].get_type() != Variant::NIL)
nr = arrays[Mesh::ARRAY_NORMAL].operator Vector<Vector3>().ptr();
const real_t *ta = nullptr;
if (arrays[Mesh::ARRAY_TANGENT].get_type() != Variant::NIL)
ta = arrays[Mesh::ARRAY_TANGENT].operator Vector<real_t>().ptr();
const Vector2 *uv = nullptr;
if (arrays[Mesh::ARRAY_TEX_UV].get_type() != Variant::NIL)
uv = arrays[Mesh::ARRAY_TEX_UV].operator Vector<Vector2>().ptr();
const Vector2 *uv2 = nullptr;
if (arrays[Mesh::ARRAY_TEX_UV2].get_type() != Variant::NIL)
uv2 = arrays[Mesh::ARRAY_TEX_UV2].operator Vector<Vector2>().ptr();
const Color *col = nullptr;
if (arrays[Mesh::ARRAY_COLOR].get_type() != Variant::NIL)
col = arrays[Mesh::ARRAY_COLOR].operator Vector<Color>().ptr();
const int *bo = nullptr;
if (arrays[Mesh::ARRAY_BONES].get_type() != Variant::NIL)
bo = arrays[Mesh::ARRAY_BONES].operator Vector<int>().ptr();
const real_t *we = nullptr;
if (arrays[Mesh::ARRAY_WEIGHTS].get_type() != Variant::NIL)
we = arrays[Mesh::ARRAY_WEIGHTS].operator Vector<real_t>().ptr();
vertices.resize(vcount);
for (int i = 0; i < vcount; i++) {
Vertex v;
v.vertex = vr[i];
if (nr)
v.normal = nr[i];
if (ta)
v.tangent = Plane(ta[i * 4 + 0], ta[i * 4 + 1], ta[i * 4 + 2], ta[i * 4 + 3]);
if (uv)
v.uv = uv[i];
if (uv2)
v.uv2 = uv2[i];
if (col)
v.color = col[i];
if (we) {
v.weights.push_back(we[i * 4 + 0]);
v.weights.push_back(we[i * 4 + 1]);
v.weights.push_back(we[i * 4 + 2]);
v.weights.push_back(we[i * 4 + 3]);
}
if (bo) {
v.bones.push_back(bo[i * 4 + 0]);
v.bones.push_back(bo[i * 4 + 1]);
v.bones.push_back(bo[i * 4 + 2]);
v.bones.push_back(bo[i * 4 + 3]);
}
vertices.write[i] = v;
}
Vector<int> indices;
if (arrays[Mesh::ARRAY_INDEX].get_type() != Variant::NIL) {
indices = arrays[Mesh::ARRAY_INDEX];
} else {
//make code simpler
indices.resize(vcount);
int *iw = indices.ptrw();
for (int i = 0; i < vcount; i++)
iw[i] = i;
}
int icount = indices.size();
const int *r = indices.ptr();
Map<Point2i, int> edge_indices;
for (int i = 0; i < icount; i += 3) {
Vertex *v[3] = { &vertices.write[r[i + 0]], &vertices.write[r[i + 1]], &vertices.write[r[i + 2]] };
int fidx = faces.size();
Face face;
for (int j = 0; j < 3; j++) {
face.v[j] = r[i + j];
Point2i edge(r[i + j], r[i + (j + 1) % 3]);
if (edge.x > edge.y) {
SWAP(edge.x, edge.y);
}
if (edge_indices.has(edge)) {
face.edges[j] = edge_indices[edge];
} else {
face.edges[j] = edge_indices.size();
edge_indices[edge] = face.edges[j];
Edge e;
e.vertex[0] = edge.x;
e.vertex[1] = edge.y;
edges.push_back(e);
v[j]->edges.push_back(face.edges[j]);
v[(j + 1) % 3]->edges.push_back(face.edges[j]);
}
edges.write[face.edges[j]].faces.push_back(fidx);
v[j]->faces.push_back(fidx);
}
faces.push_back(face);
}
return OK;
}
Error MeshDataTool::commit_to_surface(const Ref<ArrayMesh> &p_mesh) {
ERR_FAIL_COND_V(p_mesh.is_null(), ERR_INVALID_PARAMETER);
Array arr;
arr.resize(Mesh::ARRAY_MAX);
int vcount = vertices.size();
Vector<Vector3> v;
Vector<Vector3> n;
Vector<real_t> t;
Vector<Vector2> u;
Vector<Vector2> u2;
Vector<Color> c;
Vector<int> b;
Vector<real_t> w;
Vector<int> in;
{
v.resize(vcount);
Vector3 *vr = v.ptrw();
Vector3 *nr = nullptr;
if (format & Mesh::ARRAY_FORMAT_NORMAL) {
n.resize(vcount);
nr = n.ptrw();
}
real_t *ta = nullptr;
if (format & Mesh::ARRAY_FORMAT_TANGENT) {
t.resize(vcount * 4);
ta = t.ptrw();
}
Vector2 *uv = nullptr;
if (format & Mesh::ARRAY_FORMAT_TEX_UV) {
u.resize(vcount);
uv = u.ptrw();
}
Vector2 *uv2 = nullptr;
if (format & Mesh::ARRAY_FORMAT_TEX_UV2) {
u2.resize(vcount);
uv2 = u2.ptrw();
}
Color *col = nullptr;
if (format & Mesh::ARRAY_FORMAT_COLOR) {
c.resize(vcount);
col = c.ptrw();
}
int *bo = nullptr;
if (format & Mesh::ARRAY_FORMAT_BONES) {
b.resize(vcount * 4);
bo = b.ptrw();
}
real_t *we = nullptr;
if (format & Mesh::ARRAY_FORMAT_WEIGHTS) {
w.resize(vcount * 4);
we = w.ptrw();
}
for (int i = 0; i < vcount; i++) {
const Vertex &vtx = vertices[i];
vr[i] = vtx.vertex;
if (nr)
nr[i] = vtx.normal;
if (ta) {
ta[i * 4 + 0] = vtx.tangent.normal.x;
ta[i * 4 + 1] = vtx.tangent.normal.y;
ta[i * 4 + 2] = vtx.tangent.normal.z;
ta[i * 4 + 3] = vtx.tangent.d;
}
if (uv)
uv[i] = vtx.uv;
if (uv2)
uv2[i] = vtx.uv2;
if (col)
col[i] = vtx.color;
if (we) {
we[i * 4 + 0] = vtx.weights[0];
we[i * 4 + 1] = vtx.weights[1];
we[i * 4 + 2] = vtx.weights[2];
we[i * 4 + 3] = vtx.weights[3];
}
if (bo) {
bo[i * 4 + 0] = vtx.bones[0];
bo[i * 4 + 1] = vtx.bones[1];
bo[i * 4 + 2] = vtx.bones[2];
bo[i * 4 + 3] = vtx.bones[3];
}
}
int fc = faces.size();
in.resize(fc * 3);
int *iw = in.ptrw();
for (int i = 0; i < fc; i++) {
iw[i * 3 + 0] = faces[i].v[0];
iw[i * 3 + 1] = faces[i].v[1];
iw[i * 3 + 2] = faces[i].v[2];
}
}
arr[Mesh::ARRAY_VERTEX] = v;
arr[Mesh::ARRAY_INDEX] = in;
if (n.size())
arr[Mesh::ARRAY_NORMAL] = n;
if (c.size())
arr[Mesh::ARRAY_COLOR] = c;
if (u.size())
arr[Mesh::ARRAY_TEX_UV] = u;
if (u2.size())
arr[Mesh::ARRAY_TEX_UV2] = u2;
if (t.size())
arr[Mesh::ARRAY_TANGENT] = t;
if (b.size())
arr[Mesh::ARRAY_BONES] = b;
if (w.size())
arr[Mesh::ARRAY_WEIGHTS] = w;
Ref<ArrayMesh> ncmesh = p_mesh;
int sc = ncmesh->get_surface_count();
ncmesh->add_surface_from_arrays(Mesh::PRIMITIVE_TRIANGLES, arr);
ncmesh->surface_set_material(sc, material);
return OK;
}
int MeshDataTool::get_format() const {
return format;
}
int MeshDataTool::get_vertex_count() const {
return vertices.size();
}
int MeshDataTool::get_edge_count() const {
return edges.size();
}
int MeshDataTool::get_face_count() const {
return faces.size();
}
Vector3 MeshDataTool::get_vertex(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector3());
return vertices[p_idx].vertex;
}
void MeshDataTool::set_vertex(int p_idx, const Vector3 &p_vertex) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].vertex = p_vertex;
}
Vector3 MeshDataTool::get_vertex_normal(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector3());
return vertices[p_idx].normal;
}
void MeshDataTool::set_vertex_normal(int p_idx, const Vector3 &p_normal) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].normal = p_normal;
format |= Mesh::ARRAY_FORMAT_NORMAL;
}
Plane MeshDataTool::get_vertex_tangent(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Plane());
return vertices[p_idx].tangent;
}
void MeshDataTool::set_vertex_tangent(int p_idx, const Plane &p_tangent) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].tangent = p_tangent;
format |= Mesh::ARRAY_FORMAT_TANGENT;
}
Vector2 MeshDataTool::get_vertex_uv(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector2());
return vertices[p_idx].uv;
}
void MeshDataTool::set_vertex_uv(int p_idx, const Vector2 &p_uv) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].uv = p_uv;
format |= Mesh::ARRAY_FORMAT_TEX_UV;
}
Vector2 MeshDataTool::get_vertex_uv2(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector2());
return vertices[p_idx].uv2;
}
void MeshDataTool::set_vertex_uv2(int p_idx, const Vector2 &p_uv2) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].uv2 = p_uv2;
format |= Mesh::ARRAY_FORMAT_TEX_UV2;
}
Color MeshDataTool::get_vertex_color(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Color());
return vertices[p_idx].color;
}
void MeshDataTool::set_vertex_color(int p_idx, const Color &p_color) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].color = p_color;
format |= Mesh::ARRAY_FORMAT_COLOR;
}
Vector<int> MeshDataTool::get_vertex_bones(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<int>());
return vertices[p_idx].bones;
}
void MeshDataTool::set_vertex_bones(int p_idx, const Vector<int> &p_bones) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].bones = p_bones;
format |= Mesh::ARRAY_FORMAT_BONES;
}
Vector<float> MeshDataTool::get_vertex_weights(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<float>());
return vertices[p_idx].weights;
}
void MeshDataTool::set_vertex_weights(int p_idx, const Vector<float> &p_weights) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].weights = p_weights;
format |= Mesh::ARRAY_FORMAT_WEIGHTS;
}
Variant MeshDataTool::get_vertex_meta(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Variant());
return vertices[p_idx].meta;
}
void MeshDataTool::set_vertex_meta(int p_idx, const Variant &p_meta) {
ERR_FAIL_INDEX(p_idx, vertices.size());
vertices.write[p_idx].meta = p_meta;
}
Vector<int> MeshDataTool::get_vertex_edges(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<int>());
return vertices[p_idx].edges;
}
Vector<int> MeshDataTool::get_vertex_faces(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, vertices.size(), Vector<int>());
return vertices[p_idx].faces;
}
int MeshDataTool::get_edge_vertex(int p_edge, int p_vertex) const {
ERR_FAIL_INDEX_V(p_edge, edges.size(), -1);
ERR_FAIL_INDEX_V(p_vertex, 2, -1);
return edges[p_edge].vertex[p_vertex];
}
Vector<int> MeshDataTool::get_edge_faces(int p_edge) const {
ERR_FAIL_INDEX_V(p_edge, edges.size(), Vector<int>());
return edges[p_edge].faces;
}
Variant MeshDataTool::get_edge_meta(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, edges.size(), Variant());
return edges[p_idx].meta;
}
void MeshDataTool::set_edge_meta(int p_idx, const Variant &p_meta) {
ERR_FAIL_INDEX(p_idx, edges.size());
edges.write[p_idx].meta = p_meta;
}
int MeshDataTool::get_face_vertex(int p_face, int p_vertex) const {
ERR_FAIL_INDEX_V(p_face, faces.size(), -1);
ERR_FAIL_INDEX_V(p_vertex, 3, -1);
return faces[p_face].v[p_vertex];
}
int MeshDataTool::get_face_edge(int p_face, int p_vertex) const {
ERR_FAIL_INDEX_V(p_face, faces.size(), -1);
ERR_FAIL_INDEX_V(p_vertex, 3, -1);
return faces[p_face].edges[p_vertex];
}
Variant MeshDataTool::get_face_meta(int p_face) const {
ERR_FAIL_INDEX_V(p_face, faces.size(), Variant());
return faces[p_face].meta;
}
void MeshDataTool::set_face_meta(int p_face, const Variant &p_meta) {
ERR_FAIL_INDEX(p_face, faces.size());
faces.write[p_face].meta = p_meta;
}
Vector3 MeshDataTool::get_face_normal(int p_face) const {
ERR_FAIL_INDEX_V(p_face, faces.size(), Vector3());
Vector3 v0 = vertices[faces[p_face].v[0]].vertex;
Vector3 v1 = vertices[faces[p_face].v[1]].vertex;
Vector3 v2 = vertices[faces[p_face].v[2]].vertex;
return Plane(v0, v1, v2).normal;
}
Ref<Material> MeshDataTool::get_material() const {
return material;
}
void MeshDataTool::set_material(const Ref<Material> &p_material) {
material = p_material;
}
void MeshDataTool::_bind_methods() {
ClassDB::bind_method(D_METHOD("clear"), &MeshDataTool::clear);
ClassDB::bind_method(D_METHOD("create_from_surface", "mesh", "surface"), &MeshDataTool::create_from_surface);
ClassDB::bind_method(D_METHOD("commit_to_surface", "mesh"), &MeshDataTool::commit_to_surface);
ClassDB::bind_method(D_METHOD("get_format"), &MeshDataTool::get_format);
ClassDB::bind_method(D_METHOD("get_vertex_count"), &MeshDataTool::get_vertex_count);
ClassDB::bind_method(D_METHOD("get_edge_count"), &MeshDataTool::get_edge_count);
ClassDB::bind_method(D_METHOD("get_face_count"), &MeshDataTool::get_face_count);
ClassDB::bind_method(D_METHOD("set_vertex", "idx", "vertex"), &MeshDataTool::set_vertex);
ClassDB::bind_method(D_METHOD("get_vertex", "idx"), &MeshDataTool::get_vertex);
ClassDB::bind_method(D_METHOD("set_vertex_normal", "idx", "normal"), &MeshDataTool::set_vertex_normal);
ClassDB::bind_method(D_METHOD("get_vertex_normal", "idx"), &MeshDataTool::get_vertex_normal);
ClassDB::bind_method(D_METHOD("set_vertex_tangent", "idx", "tangent"), &MeshDataTool::set_vertex_tangent);
ClassDB::bind_method(D_METHOD("get_vertex_tangent", "idx"), &MeshDataTool::get_vertex_tangent);
ClassDB::bind_method(D_METHOD("set_vertex_uv", "idx", "uv"), &MeshDataTool::set_vertex_uv);
ClassDB::bind_method(D_METHOD("get_vertex_uv", "idx"), &MeshDataTool::get_vertex_uv);
ClassDB::bind_method(D_METHOD("set_vertex_uv2", "idx", "uv2"), &MeshDataTool::set_vertex_uv2);
ClassDB::bind_method(D_METHOD("get_vertex_uv2", "idx"), &MeshDataTool::get_vertex_uv2);
ClassDB::bind_method(D_METHOD("set_vertex_color", "idx", "color"), &MeshDataTool::set_vertex_color);
ClassDB::bind_method(D_METHOD("get_vertex_color", "idx"), &MeshDataTool::get_vertex_color);
ClassDB::bind_method(D_METHOD("set_vertex_bones", "idx", "bones"), &MeshDataTool::set_vertex_bones);
ClassDB::bind_method(D_METHOD("get_vertex_bones", "idx"), &MeshDataTool::get_vertex_bones);
ClassDB::bind_method(D_METHOD("set_vertex_weights", "idx", "weights"), &MeshDataTool::set_vertex_weights);
ClassDB::bind_method(D_METHOD("get_vertex_weights", "idx"), &MeshDataTool::get_vertex_weights);
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);
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);
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);
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();
}