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godot/scene/3d/light.cpp
lawnjelly dedf461674 Add blob shadows feature 
BlobShadow node (sphere or capsule)
BlobFocus
Backends for GLES2 and GLES3
2025-10-01 06:37:54 +01:00

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/**************************************************************************/
/* light.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 "light.h"
#include "core/engine.h"
#include "core/project_settings.h"
#include "scene/resources/surface_tool.h"
#include "servers/visual/visual_server_blob_shadows.h"
void Light::set_param(Param p_param, float p_value) {
ERR_FAIL_INDEX(p_param, PARAM_MAX);
param[p_param] = p_value;
VS::get_singleton()->light_set_param(light, VS::LightParam(p_param), p_value);
if (p_param == PARAM_SPOT_ANGLE || p_param == PARAM_RANGE) {
update_gizmo();
if (p_param == PARAM_SPOT_ANGLE) {
_change_notify("spot_angle");
update_configuration_warning();
} else if (p_param == PARAM_RANGE) {
_change_notify("omni_range");
_change_notify("spot_range");
}
}
// Blob shadows are also interested in some of the regular parameters.
if (blob_light.is_valid()) {
switch (p_param) {
case PARAM_SPOT_ANGLE: {
VS::get_singleton()->blob_light_set_light_param(blob_light, VS::LightParam(p_param), p_value);
} break;
case PARAM_ENERGY: {
VS::get_singleton()->blob_light_set_light_param(blob_light, VS::LightParam(p_param), p_value);
} break;
case PARAM_RANGE: {
if (get_blob_shadow_param(BLOB_SHADOW_PARAM_RANGE_MAX) == 0) {
_update_blob_shadow_param(BLOB_SHADOW_PARAM_RANGE_MAX);
}
} break;
default:
break;
}
}
}
float Light::get_param(Param p_param) const {
ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0);
return param[p_param];
}
void Light::set_shadow(bool p_enable) {
shadow = p_enable;
VS::get_singleton()->light_set_shadow(light, p_enable);
if (type == VisualServer::LIGHT_SPOT) {
update_configuration_warning();
}
}
bool Light::has_shadow() const {
return shadow;
}
void Light::set_negative(bool p_enable) {
negative = p_enable;
VS::get_singleton()->light_set_negative(light, p_enable);
}
bool Light::is_negative() const {
return negative;
}
void Light::set_cull_mask(uint32_t p_cull_mask) {
cull_mask = p_cull_mask;
VS::get_singleton()->light_set_cull_mask(light, p_cull_mask);
}
uint32_t Light::get_cull_mask() const {
return cull_mask;
}
void Light::set_color(const Color &p_color) {
color = p_color;
VS::get_singleton()->light_set_color(light, p_color);
// The gizmo color depends on the light color, so update it.
update_gizmo();
}
Color Light::get_color() const {
return color;
}
void Light::set_shadow_color(const Color &p_shadow_color) {
shadow_color = p_shadow_color;
VS::get_singleton()->light_set_shadow_color(light, p_shadow_color);
}
Color Light::get_shadow_color() const {
return shadow_color;
}
void Light::set_shadow_reverse_cull_face(bool p_enable) {
reverse_cull = p_enable;
VS::get_singleton()->light_set_reverse_cull_face_mode(light, reverse_cull);
}
bool Light::get_shadow_reverse_cull_face() const {
return reverse_cull;
}
AABB Light::get_aabb() const {
if (type == VisualServer::LIGHT_DIRECTIONAL) {
return AABB(Vector3(-1, -1, -1), Vector3(2, 2, 2));
} else if (type == VisualServer::LIGHT_OMNI) {
return AABB(Vector3(-1, -1, -1) * param[PARAM_RANGE], Vector3(2, 2, 2) * param[PARAM_RANGE]);
} else if (type == VisualServer::LIGHT_SPOT) {
float len = param[PARAM_RANGE];
float size = Math::tan(Math::deg2rad(param[PARAM_SPOT_ANGLE])) * len;
return AABB(Vector3(-size, -size, -len), Vector3(size * 2, size * 2, len));
}
return AABB();
}
PoolVector<Face3> Light::get_faces(uint32_t p_usage_flags) const {
return PoolVector<Face3>();
}
void Light::set_bake_mode(BakeMode p_mode) {
bake_mode = p_mode;
VS::get_singleton()->light_set_bake_mode(light, VS::LightBakeMode(bake_mode));
_change_notify();
}
Light::BakeMode Light::get_bake_mode() const {
return bake_mode;
}
void Light::set_blob_shadow(bool p_enable) {
if (p_enable == blob_shadow) {
return;
}
blob_shadow = p_enable;
set_notify_transform(p_enable);
if (p_enable) {
if (!blob_light.is_valid()) {
blob_light = RID_PRIME(VisualServer::get_singleton()->blob_light_create());
// Must refresh all parameters when recreating.
VisualServer::get_singleton()->blob_light_set_type(blob_light, get_light_type());
VisualServer::get_singleton()->blob_light_set_visible(blob_light, is_visible_in_tree());
for (int n = 0; n < BLOB_SHADOW_PARAM_MAX; n++) {
_update_blob_shadow_param((BlobShadowParam)n);
}
VisualServer::get_singleton()->blob_light_set_light_param(blob_light, VS::LIGHT_PARAM_SPOT_ANGLE, get_param(PARAM_SPOT_ANGLE));
VisualServer::get_singleton()->blob_light_set_light_param(blob_light, VS::LIGHT_PARAM_ENERGY, get_param(PARAM_ENERGY));
// Only set initial position if in the tree, else it will be updated when entering the tree.
if (is_inside_tree()) {
VisualServer::get_singleton()->blob_light_update(blob_light, get_global_transform());
}
}
} else {
if (blob_light.is_valid()) {
VisualServer::get_singleton()->free(blob_light);
blob_light = RID();
}
}
}
void Light::_update_blob_shadow_param(BlobShadowParam p_param) {
if (blob_light.is_valid()) {
real_t value = get_blob_shadow_param(p_param);
// Special case for range, if set to zero, we override with the light range.
if (p_param == BLOB_SHADOW_PARAM_RANGE_MAX) {
if (value == 0) {
if (type != VisualServer::LIGHT_DIRECTIONAL) {
value = get_param(PARAM_RANGE);
} else {
// Directional lights are hard coded with near infinite range
// if set to zero (default).
value = 10000000;
}
}
}
VS::get_singleton()->blob_light_set_param(blob_light, VS::LightBlobShadowParam(p_param), value);
}
}
void Light::set_blob_shadow_param(BlobShadowParam p_param, real_t p_value) {
blob_shadow_params[p_param] = p_value;
if (blob_light.is_valid()) {
_update_blob_shadow_param(p_param);
}
}
real_t Light::get_blob_shadow_param(BlobShadowParam p_param) const {
return blob_shadow_params[p_param];
}
void Light::set_blob_shadow_shadow_only(bool p_enable) {
if (p_enable == blob_shadow_shadow_only) {
return;
}
blob_shadow_shadow_only = p_enable;
_update_visibility();
}
bool Light::is_blob_shadow_shadow_only() const {
return blob_shadow_shadow_only;
}
void Light::owner_changed_notify() {
// For cases where owner changes _after_ entering tree (as example, editor editing).
_update_visibility();
}
void Light::_update_visibility() {
if (!is_inside_tree()) {
return;
}
bool editor_ok = true;
#ifdef TOOLS_ENABLED
if (editor_only) {
if (!Engine::get_singleton()->is_editor_hint()) {
editor_ok = false;
} else {
editor_ok = (get_tree()->get_edited_scene_root() && (this == get_tree()->get_edited_scene_root() || get_owner() == get_tree()->get_edited_scene_root()));
}
}
#else
if (editor_only) {
editor_ok = false;
}
#endif
VS::get_singleton()->instance_set_visible(get_instance(), is_visible_in_tree() && editor_ok && !blob_shadow_shadow_only);
if (blob_light.is_valid()) {
VS::get_singleton()->blob_light_set_visible(blob_light, is_visible_in_tree() && editor_ok);
if (is_visible_in_tree() && editor_ok) {
VS::get_singleton()->blob_light_update(blob_light, get_global_transform_interpolated());
}
}
_change_notify("geometry/visible");
}
void Light::fti_update_servers_xform() {
if (blob_light.is_valid() && is_visible_in_tree()) {
VisualServer::get_singleton()->blob_light_update(blob_light, _get_cached_global_transform_interpolated());
}
VisualInstance::fti_update_servers_xform();
}
void Light::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_VISIBILITY_CHANGED: {
_update_visibility();
} break;
case NOTIFICATION_ENTER_TREE: {
_update_visibility();
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
if (blob_light.is_valid() && is_visible_in_tree() && !is_physics_interpolated_and_enabled()) {
VisualServer::get_singleton()->blob_light_update(blob_light, get_global_transform());
}
} break;
default:
break;
}
}
void Light::set_editor_only(bool p_editor_only) {
editor_only = p_editor_only;
_update_visibility();
}
bool Light::is_editor_only() const {
return editor_only;
}
void Light::_validate_property(PropertyInfo &property) const {
if (VisualServer::get_singleton()->is_low_end() && property.name == "shadow_contact") {
property.usage = PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL;
}
if (bake_mode != BAKE_ALL && property.name == "light_size") {
property.usage = PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL;
}
}
void Light::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_editor_only", "editor_only"), &Light::set_editor_only);
ClassDB::bind_method(D_METHOD("is_editor_only"), &Light::is_editor_only);
ClassDB::bind_method(D_METHOD("set_param", "param", "value"), &Light::set_param);
ClassDB::bind_method(D_METHOD("get_param", "param"), &Light::get_param);
ClassDB::bind_method(D_METHOD("set_shadow", "enabled"), &Light::set_shadow);
ClassDB::bind_method(D_METHOD("has_shadow"), &Light::has_shadow);
ClassDB::bind_method(D_METHOD("set_negative", "enabled"), &Light::set_negative);
ClassDB::bind_method(D_METHOD("is_negative"), &Light::is_negative);
ClassDB::bind_method(D_METHOD("set_cull_mask", "cull_mask"), &Light::set_cull_mask);
ClassDB::bind_method(D_METHOD("get_cull_mask"), &Light::get_cull_mask);
ClassDB::bind_method(D_METHOD("set_color", "color"), &Light::set_color);
ClassDB::bind_method(D_METHOD("get_color"), &Light::get_color);
ClassDB::bind_method(D_METHOD("set_shadow_reverse_cull_face", "enable"), &Light::set_shadow_reverse_cull_face);
ClassDB::bind_method(D_METHOD("get_shadow_reverse_cull_face"), &Light::get_shadow_reverse_cull_face);
ClassDB::bind_method(D_METHOD("set_shadow_color", "shadow_color"), &Light::set_shadow_color);
ClassDB::bind_method(D_METHOD("get_shadow_color"), &Light::get_shadow_color);
ClassDB::bind_method(D_METHOD("set_bake_mode", "bake_mode"), &Light::set_bake_mode);
ClassDB::bind_method(D_METHOD("get_bake_mode"), &Light::get_bake_mode);
ClassDB::bind_method(D_METHOD("set_blob_shadow", "enabled"), &Light::set_blob_shadow);
ClassDB::bind_method(D_METHOD("has_blob_shadow"), &Light::has_blob_shadow);
ClassDB::bind_method(D_METHOD("set_blob_shadow_param", "parameter", "value"), &Light::set_blob_shadow_param);
ClassDB::bind_method(D_METHOD("get_blob_shadow_param"), &Light::get_blob_shadow_param);
ClassDB::bind_method(D_METHOD("set_blob_shadow_shadow_only", "enabled"), &Light::set_blob_shadow_shadow_only);
ClassDB::bind_method(D_METHOD("is_blob_shadow_shadow_only"), &Light::is_blob_shadow_shadow_only);
ADD_GROUP("Light", "light_");
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "light_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_color", "get_color");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "light_energy", PROPERTY_HINT_RANGE, "0,16,0.001,or_greater"), "set_param", "get_param", PARAM_ENERGY);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "light_indirect_energy", PROPERTY_HINT_RANGE, "0,16,0.001,or_greater"), "set_param", "get_param", PARAM_INDIRECT_ENERGY);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "light_size", PROPERTY_HINT_RANGE, "0,1,0.001,or_greater"), "set_param", "get_param", PARAM_SIZE);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "light_negative"), "set_negative", "is_negative");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "light_specular", PROPERTY_HINT_RANGE, "0,16,0.001,or_greater"), "set_param", "get_param", PARAM_SPECULAR);
ADD_PROPERTY(PropertyInfo(Variant::INT, "light_bake_mode", PROPERTY_HINT_ENUM, "Disable,Indirect Only,All (Direct + Indirect)"), "set_bake_mode", "get_bake_mode");
ADD_PROPERTY(PropertyInfo(Variant::INT, "light_cull_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_cull_mask", "get_cull_mask");
ADD_GROUP("Shadow", "shadow_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "shadow_enabled"), "set_shadow", "has_shadow");
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "shadow_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_shadow_color", "get_shadow_color");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "shadow_bias", PROPERTY_HINT_RANGE, "-10,10,0.001"), "set_param", "get_param", PARAM_SHADOW_BIAS);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "shadow_contact", PROPERTY_HINT_RANGE, "0,10,0.001"), "set_param", "get_param", PARAM_CONTACT_SHADOW_SIZE);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "shadow_reverse_cull_face"), "set_shadow_reverse_cull_face", "get_shadow_reverse_cull_face");
ADD_GROUP("Blob Shadow", "blob_shadow_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "blob_shadow_enabled"), "set_blob_shadow", "has_blob_shadow");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "blob_shadow_shadow_only"), "set_blob_shadow_shadow_only", "is_blob_shadow_shadow_only");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "blob_shadow_intensity", PROPERTY_HINT_RANGE, "0,2,0.01"), "set_blob_shadow_param", "get_blob_shadow_param", BLOB_SHADOW_PARAM_INTENSITY);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "blob_shadow_range_max", PROPERTY_HINT_RANGE, "0,100,0.1"), "set_blob_shadow_param", "get_blob_shadow_param", BLOB_SHADOW_PARAM_RANGE_MAX);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "blob_shadow_range_hardness", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_blob_shadow_param", "get_blob_shadow_param", BLOB_SHADOW_PARAM_RANGE_HARDNESS);
ADD_GROUP("Editor", "");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_only"), "set_editor_only", "is_editor_only");
ADD_GROUP("", "");
BIND_ENUM_CONSTANT(PARAM_ENERGY);
BIND_ENUM_CONSTANT(PARAM_INDIRECT_ENERGY);
BIND_ENUM_CONSTANT(PARAM_SIZE);
BIND_ENUM_CONSTANT(PARAM_SPECULAR);
BIND_ENUM_CONSTANT(PARAM_RANGE);
BIND_ENUM_CONSTANT(PARAM_ATTENUATION);
BIND_ENUM_CONSTANT(PARAM_SPOT_ANGLE);
BIND_ENUM_CONSTANT(PARAM_SPOT_ATTENUATION);
BIND_ENUM_CONSTANT(PARAM_CONTACT_SHADOW_SIZE);
BIND_ENUM_CONSTANT(PARAM_SHADOW_MAX_DISTANCE);
BIND_ENUM_CONSTANT(PARAM_SHADOW_SPLIT_1_OFFSET);
BIND_ENUM_CONSTANT(PARAM_SHADOW_SPLIT_2_OFFSET);
BIND_ENUM_CONSTANT(PARAM_SHADOW_SPLIT_3_OFFSET);
BIND_ENUM_CONSTANT(PARAM_SHADOW_NORMAL_BIAS);
BIND_ENUM_CONSTANT(PARAM_SHADOW_BIAS);
BIND_ENUM_CONSTANT(PARAM_SHADOW_BIAS_SPLIT_SCALE);
BIND_ENUM_CONSTANT(PARAM_SHADOW_FADE_START);
BIND_ENUM_CONSTANT(PARAM_MAX);
BIND_ENUM_CONSTANT(BLOB_SHADOW_PARAM_RANGE_HARDNESS);
BIND_ENUM_CONSTANT(BLOB_SHADOW_PARAM_RANGE_MAX);
BIND_ENUM_CONSTANT(BLOB_SHADOW_PARAM_INTENSITY);
BIND_ENUM_CONSTANT(BLOB_SHADOW_PARAM_MAX);
BIND_ENUM_CONSTANT(BAKE_DISABLED);
BIND_ENUM_CONSTANT(BAKE_INDIRECT);
BIND_ENUM_CONSTANT(BAKE_ALL);
}
Light::Light(VisualServer::LightType p_type) {
type = p_type;
switch (p_type) {
case VS::LIGHT_DIRECTIONAL:
light = RID_PRIME(VisualServer::get_singleton()->directional_light_create());
break;
case VS::LIGHT_OMNI:
light = RID_PRIME(VisualServer::get_singleton()->omni_light_create());
break;
case VS::LIGHT_SPOT:
light = RID_PRIME(VisualServer::get_singleton()->spot_light_create());
break;
default: {
};
}
VS::get_singleton()->instance_set_base(get_instance(), light);
set_color(Color(1, 1, 1, 1));
set_shadow(false);
set_negative(false);
set_cull_mask(0xFFFFFFFF);
set_param(PARAM_ENERGY, 1);
set_param(PARAM_INDIRECT_ENERGY, 1);
set_param(PARAM_SIZE, 0);
set_param(PARAM_SPECULAR, 0.5);
set_param(PARAM_RANGE, 5);
set_param(PARAM_ATTENUATION, 1);
set_param(PARAM_SPOT_ANGLE, 45);
set_param(PARAM_SPOT_ATTENUATION, 1);
set_param(PARAM_CONTACT_SHADOW_SIZE, 0);
set_param(PARAM_SHADOW_MAX_DISTANCE, 0);
set_param(PARAM_SHADOW_SPLIT_1_OFFSET, 0.1);
set_param(PARAM_SHADOW_SPLIT_2_OFFSET, 0.2);
set_param(PARAM_SHADOW_SPLIT_3_OFFSET, 0.5);
set_param(PARAM_SHADOW_FADE_START, 0.8);
set_param(PARAM_SHADOW_NORMAL_BIAS, 0.0);
set_param(PARAM_SHADOW_BIAS, 0.15);
set_disable_scale(true);
for (int n = 0; n < BLOB_SHADOW_PARAM_MAX; n++) {
blob_shadow_params[n] = 0;
}
set_blob_shadow_param(BLOB_SHADOW_PARAM_RANGE_HARDNESS, 0.8f);
set_blob_shadow_param(BLOB_SHADOW_PARAM_RANGE_MAX, 0);
set_blob_shadow_param(BLOB_SHADOW_PARAM_INTENSITY, 1);
}
Light::Light() {
ERR_PRINT("Light should not be instanced directly; use the DirectionalLight, OmniLight or SpotLight subtypes instead.");
}
Light::~Light() {
VS::get_singleton()->instance_set_base(get_instance(), RID());
if (light.is_valid()) {
VisualServer::get_singleton()->free(light);
}
if (blob_light.is_valid()) {
VisualServer::get_singleton()->free(blob_light);
}
}
/////////////////////////////////////////
void DirectionalLight::set_shadow_mode(ShadowMode p_mode) {
shadow_mode = p_mode;
VS::get_singleton()->light_directional_set_shadow_mode(light, VS::LightDirectionalShadowMode(p_mode));
property_list_changed_notify();
}
DirectionalLight::ShadowMode DirectionalLight::get_shadow_mode() const {
return shadow_mode;
}
void DirectionalLight::set_shadow_depth_range(ShadowDepthRange p_range) {
shadow_depth_range = p_range;
VS::get_singleton()->light_directional_set_shadow_depth_range_mode(light, VS::LightDirectionalShadowDepthRangeMode(p_range));
}
DirectionalLight::ShadowDepthRange DirectionalLight::get_shadow_depth_range() const {
return shadow_depth_range;
}
void DirectionalLight::set_blend_splits(bool p_enable) {
blend_splits = p_enable;
VS::get_singleton()->light_directional_set_blend_splits(light, p_enable);
}
bool DirectionalLight::is_blend_splits_enabled() const {
return blend_splits;
}
void DirectionalLight::_validate_property(PropertyInfo &property) const {
if (shadow_mode == SHADOW_ORTHOGONAL && (property.name == "directional_shadow_split_1" || property.name == "directional_shadow_blend_splits" || property.name == "directional_shadow_bias_split_scale")) {
// Splits 2/3/4, split blending and bias split scale are only used with the PSSM 2 Splits, PSSM 3 Splits and PSSM 4 Splits shadow modes.
property.usage = PROPERTY_USAGE_NOEDITOR;
}
if ((shadow_mode == SHADOW_ORTHOGONAL || shadow_mode == SHADOW_PARALLEL_2_SPLITS) && (property.name == "directional_shadow_split_2")) {
// Splits 3/4 are only used with the PSSM 3 Splits and PSSM 4 Splits shadow modes.
property.usage = PROPERTY_USAGE_NOEDITOR;
}
if ((shadow_mode == SHADOW_ORTHOGONAL || shadow_mode == SHADOW_PARALLEL_2_SPLITS || shadow_mode == SHADOW_PARALLEL_3_SPLITS) && (property.name == "directional_shadow_split_3")) {
// Split 4 is only used with the PSSM 4 Splits shadow mode.
property.usage = PROPERTY_USAGE_NOEDITOR;
}
Light::_validate_property(property);
}
void DirectionalLight::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_shadow_mode", "mode"), &DirectionalLight::set_shadow_mode);
ClassDB::bind_method(D_METHOD("get_shadow_mode"), &DirectionalLight::get_shadow_mode);
ClassDB::bind_method(D_METHOD("set_shadow_depth_range", "mode"), &DirectionalLight::set_shadow_depth_range);
ClassDB::bind_method(D_METHOD("get_shadow_depth_range"), &DirectionalLight::get_shadow_depth_range);
ClassDB::bind_method(D_METHOD("set_blend_splits", "enabled"), &DirectionalLight::set_blend_splits);
ClassDB::bind_method(D_METHOD("is_blend_splits_enabled"), &DirectionalLight::is_blend_splits_enabled);
ADD_GROUP("Directional Shadow", "directional_shadow_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "directional_shadow_mode", PROPERTY_HINT_ENUM, "Orthogonal (Fast),PSSM 2 Splits (Average),PSSM 3 Splits (Slow),PSSM 4 Splits (Very Slow)"), "set_shadow_mode", "get_shadow_mode");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "directional_shadow_split_1", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_param", "get_param", PARAM_SHADOW_SPLIT_1_OFFSET);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "directional_shadow_split_2", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_param", "get_param", PARAM_SHADOW_SPLIT_2_OFFSET);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "directional_shadow_split_3", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_param", "get_param", PARAM_SHADOW_SPLIT_3_OFFSET);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "directional_shadow_blend_splits"), "set_blend_splits", "is_blend_splits_enabled");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "directional_shadow_fade_start", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param", "get_param", PARAM_SHADOW_FADE_START);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "directional_shadow_normal_bias", PROPERTY_HINT_RANGE, "0,10,0.001"), "set_param", "get_param", PARAM_SHADOW_NORMAL_BIAS);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "directional_shadow_bias_split_scale", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_param", "get_param", PARAM_SHADOW_BIAS_SPLIT_SCALE);
ADD_PROPERTY(PropertyInfo(Variant::INT, "directional_shadow_depth_range", PROPERTY_HINT_ENUM, "Stable,Optimized"), "set_shadow_depth_range", "get_shadow_depth_range");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "directional_shadow_max_distance", PROPERTY_HINT_EXP_RANGE, "0,8192,0.1,or_greater"), "set_param", "get_param", PARAM_SHADOW_MAX_DISTANCE);
BIND_ENUM_CONSTANT(SHADOW_ORTHOGONAL);
BIND_ENUM_CONSTANT(SHADOW_PARALLEL_2_SPLITS);
BIND_ENUM_CONSTANT(SHADOW_PARALLEL_3_SPLITS);
BIND_ENUM_CONSTANT(SHADOW_PARALLEL_4_SPLITS);
BIND_ENUM_CONSTANT(SHADOW_DEPTH_RANGE_STABLE);
BIND_ENUM_CONSTANT(SHADOW_DEPTH_RANGE_OPTIMIZED);
}
DirectionalLight::DirectionalLight() :
Light(VisualServer::LIGHT_DIRECTIONAL) {
set_param(PARAM_SHADOW_NORMAL_BIAS, 0.8);
set_param(PARAM_SHADOW_BIAS, 0.1);
set_param(PARAM_SHADOW_MAX_DISTANCE, 100);
set_param(PARAM_SHADOW_BIAS_SPLIT_SCALE, 0.25);
set_param(PARAM_SHADOW_FADE_START, 0.8);
set_shadow_mode(SHADOW_PARALLEL_4_SPLITS);
set_shadow_depth_range(SHADOW_DEPTH_RANGE_STABLE);
blend_splits = false;
}
void OmniLight::set_shadow_mode(ShadowMode p_mode) {
shadow_mode = p_mode;
VS::get_singleton()->light_omni_set_shadow_mode(light, VS::LightOmniShadowMode(p_mode));
}
OmniLight::ShadowMode OmniLight::get_shadow_mode() const {
return shadow_mode;
}
void OmniLight::set_shadow_detail(ShadowDetail p_detail) {
shadow_detail = p_detail;
VS::get_singleton()->light_omni_set_shadow_detail(light, VS::LightOmniShadowDetail(p_detail));
}
OmniLight::ShadowDetail OmniLight::get_shadow_detail() const {
return shadow_detail;
}
void OmniLight::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_shadow_mode", "mode"), &OmniLight::set_shadow_mode);
ClassDB::bind_method(D_METHOD("get_shadow_mode"), &OmniLight::get_shadow_mode);
ClassDB::bind_method(D_METHOD("set_shadow_detail", "detail"), &OmniLight::set_shadow_detail);
ClassDB::bind_method(D_METHOD("get_shadow_detail"), &OmniLight::get_shadow_detail);
ADD_GROUP("Omni", "omni_");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "omni_range", PROPERTY_HINT_EXP_RANGE, "0,4096,0.001,or_greater"), "set_param", "get_param", PARAM_RANGE);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "omni_attenuation", PROPERTY_HINT_EXP_EASING, "attenuation"), "set_param", "get_param", PARAM_ATTENUATION);
ADD_PROPERTY(PropertyInfo(Variant::INT, "omni_shadow_mode", PROPERTY_HINT_ENUM, "Dual Paraboloid,Cube"), "set_shadow_mode", "get_shadow_mode");
ADD_PROPERTY(PropertyInfo(Variant::INT, "omni_shadow_detail", PROPERTY_HINT_ENUM, "Vertical,Horizontal"), "set_shadow_detail", "get_shadow_detail");
BIND_ENUM_CONSTANT(SHADOW_DUAL_PARABOLOID);
BIND_ENUM_CONSTANT(SHADOW_CUBE);
BIND_ENUM_CONSTANT(SHADOW_DETAIL_VERTICAL);
BIND_ENUM_CONSTANT(SHADOW_DETAIL_HORIZONTAL);
}
OmniLight::OmniLight() :
Light(VisualServer::LIGHT_OMNI) {
set_shadow_mode(SHADOW_CUBE);
set_shadow_detail(SHADOW_DETAIL_HORIZONTAL);
}
String SpotLight::get_configuration_warning() const {
String warning = Light::get_configuration_warning();
if (has_shadow() && get_param(PARAM_SPOT_ANGLE) >= 90.0) {
if (warning != String()) {
warning += "\n\n";
}
warning += TTR("A SpotLight with an angle wider than 90 degrees cannot cast shadows.");
}
return warning;
}
void SpotLight::_bind_methods() {
ADD_GROUP("Spot", "spot_");
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "spot_range", PROPERTY_HINT_EXP_RANGE, "0,4096,0.001,or_greater"), "set_param", "get_param", PARAM_RANGE);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "spot_attenuation", PROPERTY_HINT_EXP_EASING, "attenuation"), "set_param", "get_param", PARAM_ATTENUATION);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "spot_angle", PROPERTY_HINT_RANGE, "0,180,0.01"), "set_param", "get_param", PARAM_SPOT_ANGLE);
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "spot_angle_attenuation", PROPERTY_HINT_EXP_EASING, "attenuation"), "set_param", "get_param", PARAM_SPOT_ATTENUATION);
}
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