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godot/scene/3d/gi_probe.cpp

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/*************************************************************************/
/* gi_probe.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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 "gi_probe.h"
#include "mesh_instance.h"
#include "voxel_light_baker.h"
void GIProbeData::set_bounds(const AABB &p_bounds) {
VS::get_singleton()->gi_probe_set_bounds(probe, p_bounds);
}
AABB GIProbeData::get_bounds() const {
return VS::get_singleton()->gi_probe_get_bounds(probe);
}
void GIProbeData::set_cell_size(float p_size) {
VS::get_singleton()->gi_probe_set_cell_size(probe, p_size);
}
float GIProbeData::get_cell_size() const {
return VS::get_singleton()->gi_probe_get_cell_size(probe);
}
void GIProbeData::set_to_cell_xform(const Transform &p_xform) {
VS::get_singleton()->gi_probe_set_to_cell_xform(probe, p_xform);
}
Transform GIProbeData::get_to_cell_xform() const {
return VS::get_singleton()->gi_probe_get_to_cell_xform(probe);
}
void GIProbeData::set_dynamic_data(const PoolVector<int> &p_data) {
VS::get_singleton()->gi_probe_set_dynamic_data(probe, p_data);
}
PoolVector<int> GIProbeData::get_dynamic_data() const {
return VS::get_singleton()->gi_probe_get_dynamic_data(probe);
}
void GIProbeData::set_dynamic_range(int p_range) {
VS::get_singleton()->gi_probe_set_dynamic_range(probe, p_range);
}
void GIProbeData::set_energy(float p_range) {
VS::get_singleton()->gi_probe_set_energy(probe, p_range);
}
float GIProbeData::get_energy() const {
return VS::get_singleton()->gi_probe_get_energy(probe);
}
void GIProbeData::set_bias(float p_range) {
VS::get_singleton()->gi_probe_set_bias(probe, p_range);
}
float GIProbeData::get_bias() const {
return VS::get_singleton()->gi_probe_get_bias(probe);
}
void GIProbeData::set_normal_bias(float p_range) {
VS::get_singleton()->gi_probe_set_normal_bias(probe, p_range);
}
float GIProbeData::get_normal_bias() const {
return VS::get_singleton()->gi_probe_get_normal_bias(probe);
}
void GIProbeData::set_propagation(float p_range) {
VS::get_singleton()->gi_probe_set_propagation(probe, p_range);
}
float GIProbeData::get_propagation() const {
return VS::get_singleton()->gi_probe_get_propagation(probe);
}
void GIProbeData::set_interior(bool p_enable) {
VS::get_singleton()->gi_probe_set_interior(probe, p_enable);
}
bool GIProbeData::is_interior() const {
return VS::get_singleton()->gi_probe_is_interior(probe);
}
bool GIProbeData::is_compressed() const {
return VS::get_singleton()->gi_probe_is_compressed(probe);
}
void GIProbeData::set_compress(bool p_enable) {
VS::get_singleton()->gi_probe_set_compress(probe, p_enable);
}
int GIProbeData::get_dynamic_range() const {
return VS::get_singleton()->gi_probe_get_dynamic_range(probe);
}
RID GIProbeData::get_rid() const {
return probe;
}
void GIProbeData::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_bounds", "bounds"), &GIProbeData::set_bounds);
ClassDB::bind_method(D_METHOD("get_bounds"), &GIProbeData::get_bounds);
ClassDB::bind_method(D_METHOD("set_cell_size", "cell_size"), &GIProbeData::set_cell_size);
ClassDB::bind_method(D_METHOD("get_cell_size"), &GIProbeData::get_cell_size);
ClassDB::bind_method(D_METHOD("set_to_cell_xform", "to_cell_xform"), &GIProbeData::set_to_cell_xform);
ClassDB::bind_method(D_METHOD("get_to_cell_xform"), &GIProbeData::get_to_cell_xform);
ClassDB::bind_method(D_METHOD("set_dynamic_data", "dynamic_data"), &GIProbeData::set_dynamic_data);
ClassDB::bind_method(D_METHOD("get_dynamic_data"), &GIProbeData::get_dynamic_data);
ClassDB::bind_method(D_METHOD("set_dynamic_range", "dynamic_range"), &GIProbeData::set_dynamic_range);
ClassDB::bind_method(D_METHOD("get_dynamic_range"), &GIProbeData::get_dynamic_range);
ClassDB::bind_method(D_METHOD("set_energy", "energy"), &GIProbeData::set_energy);
ClassDB::bind_method(D_METHOD("get_energy"), &GIProbeData::get_energy);
ClassDB::bind_method(D_METHOD("set_bias", "bias"), &GIProbeData::set_bias);
ClassDB::bind_method(D_METHOD("get_bias"), &GIProbeData::get_bias);
ClassDB::bind_method(D_METHOD("set_normal_bias", "bias"), &GIProbeData::set_normal_bias);
ClassDB::bind_method(D_METHOD("get_normal_bias"), &GIProbeData::get_normal_bias);
ClassDB::bind_method(D_METHOD("set_propagation", "propagation"), &GIProbeData::set_propagation);
ClassDB::bind_method(D_METHOD("get_propagation"), &GIProbeData::get_propagation);
ClassDB::bind_method(D_METHOD("set_interior", "interior"), &GIProbeData::set_interior);
ClassDB::bind_method(D_METHOD("is_interior"), &GIProbeData::is_interior);
ClassDB::bind_method(D_METHOD("set_compress", "compress"), &GIProbeData::set_compress);
ClassDB::bind_method(D_METHOD("is_compressed"), &GIProbeData::is_compressed);
ADD_PROPERTY(PropertyInfo(Variant::AABB, "bounds", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_bounds", "get_bounds");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "cell_size", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_cell_size", "get_cell_size");
ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM, "to_cell_xform", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_to_cell_xform", "get_to_cell_xform");
ADD_PROPERTY(PropertyInfo(Variant::POOL_INT_ARRAY, "dynamic_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_dynamic_data", "get_dynamic_data");
ADD_PROPERTY(PropertyInfo(Variant::INT, "dynamic_range", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_dynamic_range", "get_dynamic_range");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "energy", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_energy", "get_energy");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "bias", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_bias", "get_bias");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "normal_bias", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_normal_bias", "get_normal_bias");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "propagation", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_propagation", "get_propagation");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "interior", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_interior", "is_interior");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "compress", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_compress", "is_compressed");
}
GIProbeData::GIProbeData() {
probe = VS::get_singleton()->gi_probe_create();
}
GIProbeData::~GIProbeData() {
VS::get_singleton()->free(probe);
}
//////////////////////
//////////////////////
void GIProbe::set_probe_data(const Ref<GIProbeData> &p_data) {
if (p_data.is_valid()) {
VS::get_singleton()->instance_set_base(get_instance(), p_data->get_rid());
} else {
VS::get_singleton()->instance_set_base(get_instance(), RID());
}
probe_data = p_data;
}
Ref<GIProbeData> GIProbe::get_probe_data() const {
return probe_data;
}
void GIProbe::set_subdiv(Subdiv p_subdiv) {
ERR_FAIL_INDEX(p_subdiv, SUBDIV_MAX);
subdiv = p_subdiv;
update_gizmo();
}
GIProbe::Subdiv GIProbe::get_subdiv() const {
return subdiv;
}
void GIProbe::set_extents(const Vector3 &p_extents) {
extents = p_extents;
update_gizmo();
}
Vector3 GIProbe::get_extents() const {
return extents;
}
void GIProbe::set_dynamic_range(int p_dynamic_range) {
dynamic_range = p_dynamic_range;
}
int GIProbe::get_dynamic_range() const {
return dynamic_range;
}
void GIProbe::set_energy(float p_energy) {
energy = p_energy;
if (probe_data.is_valid()) {
probe_data->set_energy(energy);
}
}
float GIProbe::get_energy() const {
return energy;
}
void GIProbe::set_bias(float p_bias) {
bias = p_bias;
if (probe_data.is_valid()) {
probe_data->set_bias(bias);
}
}
float GIProbe::get_bias() const {
return bias;
}
void GIProbe::set_normal_bias(float p_normal_bias) {
normal_bias = p_normal_bias;
if (probe_data.is_valid()) {
probe_data->set_normal_bias(normal_bias);
}
}
float GIProbe::get_normal_bias() const {
return normal_bias;
}
void GIProbe::set_propagation(float p_propagation) {
propagation = p_propagation;
if (probe_data.is_valid()) {
probe_data->set_propagation(propagation);
}
}
float GIProbe::get_propagation() const {
return propagation;
}
void GIProbe::set_interior(bool p_enable) {
interior = p_enable;
if (probe_data.is_valid()) {
probe_data->set_interior(p_enable);
}
}
bool GIProbe::is_interior() const {
return interior;
}
void GIProbe::set_compress(bool p_enable) {
compress = p_enable;
if (probe_data.is_valid()) {
probe_data->set_compress(p_enable);
}
}
bool GIProbe::is_compressed() const {
return compress;
}
void GIProbe::_find_meshes(Node *p_at_node, List<PlotMesh> &plot_meshes) {
MeshInstance *mi = Object::cast_to<MeshInstance>(p_at_node);
if (mi && mi->get_flag(GeometryInstance::FLAG_USE_BAKED_LIGHT) && mi->is_visible_in_tree()) {
Ref<Mesh> mesh = mi->get_mesh();
if (mesh.is_valid()) {
AABB aabb = mesh->get_aabb();
Transform xf = get_global_transform().affine_inverse() * mi->get_global_transform();
if (AABB(-extents, extents * 2).intersects(xf.xform(aabb))) {
PlotMesh pm;
pm.local_xform = xf;
pm.mesh = mesh;
for (int i = 0; i < mesh->get_surface_count(); i++) {
pm.instance_materials.push_back(mi->get_surface_material(i));
}
pm.override_material = mi->get_material_override();
plot_meshes.push_back(pm);
}
}
}
Spatial *s = Object::cast_to<Spatial>(p_at_node);
if (s) {
if (s->is_visible_in_tree()) {
Array meshes = p_at_node->call("get_meshes");
for (int i = 0; i < meshes.size(); i += 2) {
Transform mxf = meshes[i];
Ref<Mesh> mesh = meshes[i + 1];
if (!mesh.is_valid())
continue;
AABB aabb = mesh->get_aabb();
Transform xf = get_global_transform().affine_inverse() * (s->get_global_transform() * mxf);
if (AABB(-extents, extents * 2).intersects(xf.xform(aabb))) {
PlotMesh pm;
pm.local_xform = xf;
pm.mesh = mesh;
plot_meshes.push_back(pm);
}
}
}
}
for (int i = 0; i < p_at_node->get_child_count(); i++) {
Node *child = p_at_node->get_child(i);
if (!child->get_owner())
continue; //maybe a helper
_find_meshes(child, plot_meshes);
}
}
GIProbe::BakeBeginFunc GIProbe::bake_begin_function = NULL;
GIProbe::BakeStepFunc GIProbe::bake_step_function = NULL;
GIProbe::BakeEndFunc GIProbe::bake_end_function = NULL;
void GIProbe::bake(Node *p_from_node, bool p_create_visual_debug) {
static const int subdiv_value[SUBDIV_MAX] = { 7, 8, 9, 10 };
VoxelLightBaker baker;
baker.begin_bake(subdiv_value[subdiv], AABB(-extents, extents * 2.0));
List<PlotMesh> mesh_list;
_find_meshes(p_from_node ? p_from_node : get_parent(), mesh_list);
if (bake_begin_function) {
bake_begin_function(mesh_list.size() + 1);
}
int pmc = 0;
for (List<PlotMesh>::Element *E = mesh_list.front(); E; E = E->next()) {
if (bake_step_function) {
bake_step_function(pmc, RTR("Plotting Meshes") + " " + itos(pmc) + "/" + itos(mesh_list.size()));
}
pmc++;
baker.plot_mesh(E->get().local_xform, E->get().mesh, E->get().instance_materials, E->get().override_material);
}
if (bake_step_function) {
bake_step_function(pmc++, RTR("Finishing Plot"));
}
baker.end_bake();
//create the data for visual server
PoolVector<int> data = baker.create_gi_probe_data();
if (p_create_visual_debug) {
MultiMeshInstance *mmi = memnew(MultiMeshInstance);
mmi->set_multimesh(baker.create_debug_multimesh());
add_child(mmi);
#ifdef TOOLS_ENABLED
if (get_tree()->get_edited_scene_root() == this) {
mmi->set_owner(this);
} else {
mmi->set_owner(get_owner());
}
#else
mmi->set_owner(get_owner());
#endif
} else {
Ref<GIProbeData> probe_data = get_probe_data();
if (probe_data.is_null())
probe_data.instance();
probe_data->set_bounds(AABB(-extents, extents * 2.0));
probe_data->set_cell_size(baker.get_cell_size());
probe_data->set_dynamic_data(data);
probe_data->set_dynamic_range(dynamic_range);
probe_data->set_energy(energy);
probe_data->set_bias(bias);
probe_data->set_normal_bias(normal_bias);
probe_data->set_propagation(propagation);
probe_data->set_interior(interior);
probe_data->set_compress(compress);
probe_data->set_to_cell_xform(baker.get_to_cell_space_xform());
set_probe_data(probe_data);
}
if (bake_end_function) {
bake_end_function();
}
}
void GIProbe::_debug_bake() {
bake(NULL, true);
}
AABB GIProbe::get_aabb() const {
return AABB(-extents, extents * 2);
}
PoolVector<Face3> GIProbe::get_faces(uint32_t p_usage_flags) const {
return PoolVector<Face3>();
}
void GIProbe::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_probe_data", "data"), &GIProbe::set_probe_data);
ClassDB::bind_method(D_METHOD("get_probe_data"), &GIProbe::get_probe_data);
ClassDB::bind_method(D_METHOD("set_subdiv", "subdiv"), &GIProbe::set_subdiv);
ClassDB::bind_method(D_METHOD("get_subdiv"), &GIProbe::get_subdiv);
ClassDB::bind_method(D_METHOD("set_extents", "extents"), &GIProbe::set_extents);
ClassDB::bind_method(D_METHOD("get_extents"), &GIProbe::get_extents);
ClassDB::bind_method(D_METHOD("set_dynamic_range", "max"), &GIProbe::set_dynamic_range);
ClassDB::bind_method(D_METHOD("get_dynamic_range"), &GIProbe::get_dynamic_range);
ClassDB::bind_method(D_METHOD("set_energy", "max"), &GIProbe::set_energy);
ClassDB::bind_method(D_METHOD("get_energy"), &GIProbe::get_energy);
ClassDB::bind_method(D_METHOD("set_bias", "max"), &GIProbe::set_bias);
ClassDB::bind_method(D_METHOD("get_bias"), &GIProbe::get_bias);
ClassDB::bind_method(D_METHOD("set_normal_bias", "max"), &GIProbe::set_normal_bias);
ClassDB::bind_method(D_METHOD("get_normal_bias"), &GIProbe::get_normal_bias);
ClassDB::bind_method(D_METHOD("set_propagation", "max"), &GIProbe::set_propagation);
ClassDB::bind_method(D_METHOD("get_propagation"), &GIProbe::get_propagation);
ClassDB::bind_method(D_METHOD("set_interior", "enable"), &GIProbe::set_interior);
ClassDB::bind_method(D_METHOD("is_interior"), &GIProbe::is_interior);
ClassDB::bind_method(D_METHOD("set_compress", "enable"), &GIProbe::set_compress);
ClassDB::bind_method(D_METHOD("is_compressed"), &GIProbe::is_compressed);
ClassDB::bind_method(D_METHOD("bake", "from_node", "create_visual_debug"), &GIProbe::bake, DEFVAL(Variant()), DEFVAL(false));
ClassDB::bind_method(D_METHOD("debug_bake"), &GIProbe::_debug_bake);
ClassDB::set_method_flags(get_class_static(), _scs_create("debug_bake"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdiv", PROPERTY_HINT_ENUM, "64,128,256,512"), "set_subdiv", "get_subdiv");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents"), "set_extents", "get_extents");
ADD_PROPERTY(PropertyInfo(Variant::INT, "dynamic_range", PROPERTY_HINT_RANGE, "1,16,1"), "set_dynamic_range", "get_dynamic_range");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "energy", PROPERTY_HINT_RANGE, "0,16,0.01"), "set_energy", "get_energy");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "propagation", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_propagation", "get_propagation");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "bias", PROPERTY_HINT_RANGE, "0,4,0.001"), "set_bias", "get_bias");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "normal_bias", PROPERTY_HINT_RANGE, "0,4,0.001"), "set_normal_bias", "get_normal_bias");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "interior"), "set_interior", "is_interior");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "compress"), "set_compress", "is_compressed");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "data", PROPERTY_HINT_RESOURCE_TYPE, "GIProbeData"), "set_probe_data", "get_probe_data");
BIND_ENUM_CONSTANT(SUBDIV_64);
BIND_ENUM_CONSTANT(SUBDIV_128);
BIND_ENUM_CONSTANT(SUBDIV_256);
BIND_ENUM_CONSTANT(SUBDIV_512);
BIND_ENUM_CONSTANT(SUBDIV_MAX);
}
GIProbe::GIProbe() {
subdiv = SUBDIV_128;
dynamic_range = 4;
energy = 1.0;
bias = 1.5;
normal_bias = 0.0;
propagation = 0.7;
extents = Vector3(10, 10, 10);
interior = false;
compress = false;
gi_probe = VS::get_singleton()->gi_probe_create();
}
GIProbe::~GIProbe() {
}
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