godot/scene/resources/navigation_mesh_source_geom...

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/**************************************************************************/
/* navigation_mesh_source_geometry_data_3d.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "navigation_mesh_source_geometry_data_3d.h"
void NavigationMeshSourceGeometryData3D::set_vertices(const Vector<float> &p_vertices) {
vertices = p_vertices;
}
void NavigationMeshSourceGeometryData3D::set_indices(const Vector<int> &p_indices) {
indices = p_indices;
}
void NavigationMeshSourceGeometryData3D::clear() {
vertices.clear();
indices.clear();
clear_projected_obstructions();
}
void NavigationMeshSourceGeometryData3D::clear_projected_obstructions() {
RWLockWrite write_lock(geometry_rwlock);
_projected_obstructions.clear();
}
void NavigationMeshSourceGeometryData3D::_add_vertex(const Vector3 &p_vec3) {
vertices.push_back(p_vec3.x);
vertices.push_back(p_vec3.y);
vertices.push_back(p_vec3.z);
}
void NavigationMeshSourceGeometryData3D::_add_mesh(const Ref<Mesh> &p_mesh, const Transform3D &p_xform) {
int current_vertex_count;
for (int i = 0; i < p_mesh->get_surface_count(); i++) {
current_vertex_count = vertices.size() / 3;
if (p_mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) {
continue;
}
int index_count = 0;
if (p_mesh->surface_get_format(i) & Mesh::ARRAY_FORMAT_INDEX) {
index_count = p_mesh->surface_get_array_index_len(i);
} else {
index_count = p_mesh->surface_get_array_len(i);
}
ERR_CONTINUE((index_count == 0 || (index_count % 3) != 0));
int face_count = index_count / 3;
Array a = p_mesh->surface_get_arrays(i);
ERR_CONTINUE(a.is_empty() || (a.size() != Mesh::ARRAY_MAX));
Vector<Vector3> mesh_vertices = a[Mesh::ARRAY_VERTEX];
ERR_CONTINUE(mesh_vertices.is_empty());
const Vector3 *vr = mesh_vertices.ptr();
if (p_mesh->surface_get_format(i) & Mesh::ARRAY_FORMAT_INDEX) {
Vector<int> mesh_indices = a[Mesh::ARRAY_INDEX];
ERR_CONTINUE(mesh_indices.is_empty() || (mesh_indices.size() != index_count));
const int *ir = mesh_indices.ptr();
for (int j = 0; j < mesh_vertices.size(); j++) {
_add_vertex(p_xform.xform(vr[j]));
}
for (int j = 0; j < face_count; j++) {
// CCW
indices.push_back(current_vertex_count + (ir[j * 3 + 0]));
indices.push_back(current_vertex_count + (ir[j * 3 + 2]));
indices.push_back(current_vertex_count + (ir[j * 3 + 1]));
}
} else {
ERR_CONTINUE(mesh_vertices.size() != index_count);
face_count = mesh_vertices.size() / 3;
for (int j = 0; j < face_count; j++) {
_add_vertex(p_xform.xform(vr[j * 3 + 0]));
_add_vertex(p_xform.xform(vr[j * 3 + 2]));
_add_vertex(p_xform.xform(vr[j * 3 + 1]));
indices.push_back(current_vertex_count + (j * 3 + 0));
indices.push_back(current_vertex_count + (j * 3 + 1));
indices.push_back(current_vertex_count + (j * 3 + 2));
}
}
}
}
void NavigationMeshSourceGeometryData3D::_add_mesh_array(const Array &p_mesh_array, const Transform3D &p_xform) {
ERR_FAIL_COND(p_mesh_array.size() != Mesh::ARRAY_MAX);
Vector<Vector3> mesh_vertices = p_mesh_array[Mesh::ARRAY_VERTEX];
ERR_FAIL_COND(mesh_vertices.is_empty());
const Vector3 *vr = mesh_vertices.ptr();
Vector<int> mesh_indices = p_mesh_array[Mesh::ARRAY_INDEX];
ERR_FAIL_COND(mesh_indices.is_empty());
const int *ir = mesh_indices.ptr();
const int face_count = mesh_indices.size() / 3;
const int current_vertex_count = vertices.size() / 3;
for (int j = 0; j < mesh_vertices.size(); j++) {
_add_vertex(p_xform.xform(vr[j]));
}
for (int j = 0; j < face_count; j++) {
// CCW
indices.push_back(current_vertex_count + (ir[j * 3 + 0]));
indices.push_back(current_vertex_count + (ir[j * 3 + 2]));
indices.push_back(current_vertex_count + (ir[j * 3 + 1]));
}
}
void NavigationMeshSourceGeometryData3D::_add_faces(const PackedVector3Array &p_faces, const Transform3D &p_xform) {
ERR_FAIL_COND(p_faces.is_empty());
ERR_FAIL_COND(p_faces.size() % 3 != 0);
int face_count = p_faces.size() / 3;
int current_vertex_count = vertices.size() / 3;
for (int j = 0; j < face_count; j++) {
_add_vertex(p_xform.xform(p_faces[j * 3 + 0]));
_add_vertex(p_xform.xform(p_faces[j * 3 + 1]));
_add_vertex(p_xform.xform(p_faces[j * 3 + 2]));
indices.push_back(current_vertex_count + (j * 3 + 0));
indices.push_back(current_vertex_count + (j * 3 + 2));
indices.push_back(current_vertex_count + (j * 3 + 1));
}
}
void NavigationMeshSourceGeometryData3D::add_mesh(const Ref<Mesh> &p_mesh, const Transform3D &p_xform) {
ERR_FAIL_COND(!p_mesh.is_valid());
_add_mesh(p_mesh, root_node_transform * p_xform);
}
void NavigationMeshSourceGeometryData3D::add_mesh_array(const Array &p_mesh_array, const Transform3D &p_xform) {
ERR_FAIL_COND(p_mesh_array.size() != Mesh::ARRAY_MAX);
_add_mesh_array(p_mesh_array, root_node_transform * p_xform);
}
void NavigationMeshSourceGeometryData3D::add_faces(const PackedVector3Array &p_faces, const Transform3D &p_xform) {
ERR_FAIL_COND(p_faces.size() % 3 != 0);
_add_faces(p_faces, root_node_transform * p_xform);
}
void NavigationMeshSourceGeometryData3D::merge(const Ref<NavigationMeshSourceGeometryData3D> &p_other_geometry) {
ERR_FAIL_NULL(p_other_geometry);
// No need to worry about `root_node_transform` here as the vertices are already xformed.
const int64_t number_of_vertices_before_merge = vertices.size();
const int64_t number_of_indices_before_merge = indices.size();
vertices.append_array(p_other_geometry->vertices);
indices.append_array(p_other_geometry->indices);
for (int64_t i = number_of_indices_before_merge; i < indices.size(); i++) {
indices.set(i, indices[i] + number_of_vertices_before_merge / 3);
}
if (p_other_geometry->_projected_obstructions.size() > 0) {
RWLockWrite write_lock(geometry_rwlock);
for (const ProjectedObstruction &other_projected_obstruction : p_other_geometry->_projected_obstructions) {
ProjectedObstruction projected_obstruction;
projected_obstruction.vertices.resize(other_projected_obstruction.vertices.size());
const float *other_obstruction_vertices_ptr = other_projected_obstruction.vertices.ptr();
float *obstruction_vertices_ptrw = projected_obstruction.vertices.ptrw();
for (int j = 0; j < other_projected_obstruction.vertices.size(); j++) {
obstruction_vertices_ptrw[j] = other_obstruction_vertices_ptr[j];
}
projected_obstruction.elevation = other_projected_obstruction.elevation;
projected_obstruction.height = other_projected_obstruction.height;
projected_obstruction.carve = other_projected_obstruction.carve;
_projected_obstructions.push_back(projected_obstruction);
}
}
}
void NavigationMeshSourceGeometryData3D::add_projected_obstruction(const Vector<Vector3> &p_vertices, float p_elevation, float p_height, bool p_carve) {
ERR_FAIL_COND(p_vertices.size() < 3);
ERR_FAIL_COND(p_height < 0.0);
ProjectedObstruction projected_obstruction;
projected_obstruction.vertices.resize(p_vertices.size() * 3);
projected_obstruction.elevation = p_elevation;
projected_obstruction.height = p_height;
projected_obstruction.carve = p_carve;
float *obstruction_vertices_ptrw = projected_obstruction.vertices.ptrw();
int vertex_index = 0;
for (const Vector3 &vertex : p_vertices) {
obstruction_vertices_ptrw[vertex_index++] = vertex.x;
obstruction_vertices_ptrw[vertex_index++] = vertex.y;
obstruction_vertices_ptrw[vertex_index++] = vertex.z;
}
RWLockWrite write_lock(geometry_rwlock);
_projected_obstructions.push_back(projected_obstruction);
}
void NavigationMeshSourceGeometryData3D::set_projected_obstructions(const Array &p_array) {
clear_projected_obstructions();
for (int i = 0; i < p_array.size(); i++) {
Dictionary data = p_array[i];
ERR_FAIL_COND(!data.has("version"));
uint32_t po_version = data["version"];
if (po_version == 1) {
ERR_FAIL_COND(!data.has("vertices"));
ERR_FAIL_COND(!data.has("elevation"));
ERR_FAIL_COND(!data.has("height"));
ERR_FAIL_COND(!data.has("carve"));
}
ProjectedObstruction projected_obstruction;
projected_obstruction.vertices = Vector<float>(data["vertices"]);
projected_obstruction.elevation = data["elevation"];
projected_obstruction.height = data["height"];
projected_obstruction.carve = data["carve"];
RWLockWrite write_lock(geometry_rwlock);
_projected_obstructions.push_back(projected_obstruction);
}
}
Vector<NavigationMeshSourceGeometryData3D::ProjectedObstruction> NavigationMeshSourceGeometryData3D::_get_projected_obstructions() const {
RWLockRead read_lock(geometry_rwlock);
return _projected_obstructions;
}
Array NavigationMeshSourceGeometryData3D::get_projected_obstructions() const {
RWLockRead read_lock(geometry_rwlock);
Array ret;
ret.resize(_projected_obstructions.size());
for (int i = 0; i < _projected_obstructions.size(); i++) {
const ProjectedObstruction &projected_obstruction = _projected_obstructions[i];
Dictionary data;
data["version"] = (int)ProjectedObstruction::VERSION;
data["vertices"] = projected_obstruction.vertices;
data["elevation"] = projected_obstruction.elevation;
data["height"] = projected_obstruction.height;
data["carve"] = projected_obstruction.carve;
ret[i] = data;
}
return ret;
}
bool NavigationMeshSourceGeometryData3D::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == "projected_obstructions") {
set_projected_obstructions(p_value);
return true;
}
return false;
}
bool NavigationMeshSourceGeometryData3D::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == "projected_obstructions") {
r_ret = get_projected_obstructions();
return true;
}
return false;
}
void NavigationMeshSourceGeometryData3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_vertices", "vertices"), &NavigationMeshSourceGeometryData3D::set_vertices);
ClassDB::bind_method(D_METHOD("get_vertices"), &NavigationMeshSourceGeometryData3D::get_vertices);
ClassDB::bind_method(D_METHOD("set_indices", "indices"), &NavigationMeshSourceGeometryData3D::set_indices);
ClassDB::bind_method(D_METHOD("get_indices"), &NavigationMeshSourceGeometryData3D::get_indices);
ClassDB::bind_method(D_METHOD("clear"), &NavigationMeshSourceGeometryData3D::clear);
ClassDB::bind_method(D_METHOD("has_data"), &NavigationMeshSourceGeometryData3D::has_data);
ClassDB::bind_method(D_METHOD("add_mesh", "mesh", "xform"), &NavigationMeshSourceGeometryData3D::add_mesh);
ClassDB::bind_method(D_METHOD("add_mesh_array", "mesh_array", "xform"), &NavigationMeshSourceGeometryData3D::add_mesh_array);
ClassDB::bind_method(D_METHOD("add_faces", "faces", "xform"), &NavigationMeshSourceGeometryData3D::add_faces);
ClassDB::bind_method(D_METHOD("merge", "other_geometry"), &NavigationMeshSourceGeometryData3D::merge);
ClassDB::bind_method(D_METHOD("add_projected_obstruction", "vertices", "elevation", "height", "carve"), &NavigationMeshSourceGeometryData3D::add_projected_obstruction);
ClassDB::bind_method(D_METHOD("clear_projected_obstructions"), &NavigationMeshSourceGeometryData3D::clear_projected_obstructions);
ClassDB::bind_method(D_METHOD("set_projected_obstructions", "projected_obstructions"), &NavigationMeshSourceGeometryData3D::set_projected_obstructions);
ClassDB::bind_method(D_METHOD("get_projected_obstructions"), &NavigationMeshSourceGeometryData3D::get_projected_obstructions);
ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR3_ARRAY, "vertices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_vertices", "get_vertices");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_INT32_ARRAY, "indices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_indices", "get_indices");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "projected_obstructions", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_projected_obstructions", "get_projected_obstructions");
}