580 lines
18 KiB
C++
580 lines
18 KiB
C++
/*************************************************************************/
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/* light_storage.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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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#ifdef GLES3_ENABLED
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#include "light_storage.h"
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#include "config.h"
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#include "texture_storage.h"
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using namespace GLES3;
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LightStorage *LightStorage::singleton = nullptr;
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LightStorage *LightStorage::get_singleton() {
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return singleton;
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}
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LightStorage::LightStorage() {
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singleton = this;
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}
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LightStorage::~LightStorage() {
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singleton = nullptr;
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}
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/* Light API */
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void LightStorage::_light_initialize(RID p_light, RS::LightType p_type) {
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Light light;
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light.type = p_type;
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light.param[RS::LIGHT_PARAM_ENERGY] = 1.0;
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light.param[RS::LIGHT_PARAM_INDIRECT_ENERGY] = 1.0;
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light.param[RS::LIGHT_PARAM_SPECULAR] = 0.5;
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light.param[RS::LIGHT_PARAM_RANGE] = 1.0;
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light.param[RS::LIGHT_PARAM_SIZE] = 0.0;
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light.param[RS::LIGHT_PARAM_ATTENUATION] = 1.0;
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light.param[RS::LIGHT_PARAM_SPOT_ANGLE] = 45;
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light.param[RS::LIGHT_PARAM_SPOT_ATTENUATION] = 1.0;
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light.param[RS::LIGHT_PARAM_SHADOW_MAX_DISTANCE] = 0;
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light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_1_OFFSET] = 0.1;
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light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_2_OFFSET] = 0.3;
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light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_3_OFFSET] = 0.6;
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light.param[RS::LIGHT_PARAM_SHADOW_FADE_START] = 0.8;
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light.param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] = 1.0;
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light.param[RS::LIGHT_PARAM_SHADOW_BIAS] = 0.02;
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light.param[RS::LIGHT_PARAM_SHADOW_BLUR] = 0;
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light.param[RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE] = 20.0;
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light.param[RS::LIGHT_PARAM_SHADOW_VOLUMETRIC_FOG_FADE] = 0.1;
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light.param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS] = 0.05;
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light_owner.initialize_rid(p_light, light);
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}
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RID LightStorage::directional_light_allocate() {
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return light_owner.allocate_rid();
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}
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void LightStorage::directional_light_initialize(RID p_rid) {
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_light_initialize(p_rid, RS::LIGHT_DIRECTIONAL);
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}
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RID LightStorage::omni_light_allocate() {
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return light_owner.allocate_rid();
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}
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void LightStorage::omni_light_initialize(RID p_rid) {
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_light_initialize(p_rid, RS::LIGHT_OMNI);
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}
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RID LightStorage::spot_light_allocate() {
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return light_owner.allocate_rid();
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}
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void LightStorage::spot_light_initialize(RID p_rid) {
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_light_initialize(p_rid, RS::LIGHT_SPOT);
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}
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void LightStorage::light_free(RID p_rid) {
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light_set_projector(p_rid, RID()); //clear projector
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// delete the texture
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Light *light = light_owner.get_or_null(p_rid);
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light->dependency.deleted_notify(p_rid);
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light_owner.free(p_rid);
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}
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void LightStorage::light_set_color(RID p_light, const Color &p_color) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->color = p_color;
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}
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void LightStorage::light_set_param(RID p_light, RS::LightParam p_param, float p_value) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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ERR_FAIL_INDEX(p_param, RS::LIGHT_PARAM_MAX);
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if (light->param[p_param] == p_value) {
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return;
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}
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switch (p_param) {
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case RS::LIGHT_PARAM_RANGE:
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case RS::LIGHT_PARAM_SPOT_ANGLE:
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case RS::LIGHT_PARAM_SHADOW_MAX_DISTANCE:
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case RS::LIGHT_PARAM_SHADOW_SPLIT_1_OFFSET:
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case RS::LIGHT_PARAM_SHADOW_SPLIT_2_OFFSET:
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case RS::LIGHT_PARAM_SHADOW_SPLIT_3_OFFSET:
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case RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS:
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case RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE:
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case RS::LIGHT_PARAM_SHADOW_BIAS: {
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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} break;
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case RS::LIGHT_PARAM_SIZE: {
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if ((light->param[p_param] > CMP_EPSILON) != (p_value > CMP_EPSILON)) {
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//changing from no size to size and the opposite
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT_SOFT_SHADOW_AND_PROJECTOR);
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}
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} break;
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default: {
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}
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}
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light->param[p_param] = p_value;
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}
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void LightStorage::light_set_shadow(RID p_light, bool p_enabled) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->shadow = p_enabled;
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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}
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void LightStorage::light_set_projector(RID p_light, RID p_texture) {
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GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton();
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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if (light->projector == p_texture) {
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return;
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}
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if (light->type != RS::LIGHT_DIRECTIONAL && light->projector.is_valid()) {
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texture_storage->texture_remove_from_decal_atlas(light->projector, light->type == RS::LIGHT_OMNI);
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}
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light->projector = p_texture;
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if (light->type != RS::LIGHT_DIRECTIONAL) {
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if (light->projector.is_valid()) {
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texture_storage->texture_add_to_decal_atlas(light->projector, light->type == RS::LIGHT_OMNI);
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}
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT_SOFT_SHADOW_AND_PROJECTOR);
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}
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}
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void LightStorage::light_set_negative(RID p_light, bool p_enable) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->negative = p_enable;
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}
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void LightStorage::light_set_cull_mask(RID p_light, uint32_t p_mask) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->cull_mask = p_mask;
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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}
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void LightStorage::light_set_distance_fade(RID p_light, bool p_enabled, float p_begin, float p_shadow, float p_length) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->distance_fade = p_enabled;
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light->distance_fade_begin = p_begin;
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light->distance_fade_shadow = p_shadow;
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light->distance_fade_length = p_length;
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}
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void LightStorage::light_set_reverse_cull_face_mode(RID p_light, bool p_enabled) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->reverse_cull = p_enabled;
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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}
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void LightStorage::light_set_bake_mode(RID p_light, RS::LightBakeMode p_bake_mode) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->bake_mode = p_bake_mode;
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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}
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void LightStorage::light_omni_set_shadow_mode(RID p_light, RS::LightOmniShadowMode p_mode) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->omni_shadow_mode = p_mode;
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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}
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RS::LightOmniShadowMode LightStorage::light_omni_get_shadow_mode(RID p_light) {
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const Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND_V(!light, RS::LIGHT_OMNI_SHADOW_CUBE);
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return light->omni_shadow_mode;
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}
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void LightStorage::light_directional_set_shadow_mode(RID p_light, RS::LightDirectionalShadowMode p_mode) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->directional_shadow_mode = p_mode;
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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}
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void LightStorage::light_directional_set_blend_splits(RID p_light, bool p_enable) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->directional_blend_splits = p_enable;
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light->version++;
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light->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_LIGHT);
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}
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bool LightStorage::light_directional_get_blend_splits(RID p_light) const {
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const Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND_V(!light, false);
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return light->directional_blend_splits;
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}
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void LightStorage::light_directional_set_sky_mode(RID p_light, RS::LightDirectionalSkyMode p_mode) {
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Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND(!light);
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light->directional_sky_mode = p_mode;
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}
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RS::LightDirectionalSkyMode LightStorage::light_directional_get_sky_mode(RID p_light) const {
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const Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL_SKY_MODE_LIGHT_AND_SKY);
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return light->directional_sky_mode;
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}
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RS::LightDirectionalShadowMode LightStorage::light_directional_get_shadow_mode(RID p_light) {
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const Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL);
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return light->directional_shadow_mode;
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}
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RS::LightBakeMode LightStorage::light_get_bake_mode(RID p_light) {
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const Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND_V(!light, RS::LIGHT_BAKE_DISABLED);
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return light->bake_mode;
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}
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uint64_t LightStorage::light_get_version(RID p_light) const {
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const Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND_V(!light, 0);
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return light->version;
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}
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AABB LightStorage::light_get_aabb(RID p_light) const {
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const Light *light = light_owner.get_or_null(p_light);
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ERR_FAIL_COND_V(!light, AABB());
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switch (light->type) {
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case RS::LIGHT_SPOT: {
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float len = light->param[RS::LIGHT_PARAM_RANGE];
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float size = Math::tan(Math::deg2rad(light->param[RS::LIGHT_PARAM_SPOT_ANGLE])) * len;
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return AABB(Vector3(-size, -size, -len), Vector3(size * 2, size * 2, len));
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};
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case RS::LIGHT_OMNI: {
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float r = light->param[RS::LIGHT_PARAM_RANGE];
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return AABB(-Vector3(r, r, r), Vector3(r, r, r) * 2);
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};
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case RS::LIGHT_DIRECTIONAL: {
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return AABB();
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};
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}
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ERR_FAIL_V(AABB());
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}
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/* PROBE API */
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RID LightStorage::reflection_probe_allocate() {
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return RID();
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}
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void LightStorage::reflection_probe_initialize(RID p_rid) {
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}
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void LightStorage::reflection_probe_free(RID p_rid) {
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}
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void LightStorage::reflection_probe_set_update_mode(RID p_probe, RS::ReflectionProbeUpdateMode p_mode) {
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}
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void LightStorage::reflection_probe_set_intensity(RID p_probe, float p_intensity) {
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}
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void LightStorage::reflection_probe_set_ambient_mode(RID p_probe, RS::ReflectionProbeAmbientMode p_mode) {
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}
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void LightStorage::reflection_probe_set_ambient_color(RID p_probe, const Color &p_color) {
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}
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void LightStorage::reflection_probe_set_ambient_energy(RID p_probe, float p_energy) {
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}
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void LightStorage::reflection_probe_set_max_distance(RID p_probe, float p_distance) {
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}
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void LightStorage::reflection_probe_set_extents(RID p_probe, const Vector3 &p_extents) {
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}
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void LightStorage::reflection_probe_set_origin_offset(RID p_probe, const Vector3 &p_offset) {
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}
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void LightStorage::reflection_probe_set_as_interior(RID p_probe, bool p_enable) {
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}
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void LightStorage::reflection_probe_set_enable_box_projection(RID p_probe, bool p_enable) {
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}
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void LightStorage::reflection_probe_set_enable_shadows(RID p_probe, bool p_enable) {
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}
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void LightStorage::reflection_probe_set_cull_mask(RID p_probe, uint32_t p_layers) {
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}
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void LightStorage::reflection_probe_set_resolution(RID p_probe, int p_resolution) {
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}
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AABB LightStorage::reflection_probe_get_aabb(RID p_probe) const {
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return AABB();
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}
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RS::ReflectionProbeUpdateMode LightStorage::reflection_probe_get_update_mode(RID p_probe) const {
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return RenderingServer::REFLECTION_PROBE_UPDATE_ONCE;
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}
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uint32_t LightStorage::reflection_probe_get_cull_mask(RID p_probe) const {
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return 0;
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}
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Vector3 LightStorage::reflection_probe_get_extents(RID p_probe) const {
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return Vector3();
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}
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Vector3 LightStorage::reflection_probe_get_origin_offset(RID p_probe) const {
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return Vector3();
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}
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float LightStorage::reflection_probe_get_origin_max_distance(RID p_probe) const {
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return 0.0;
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}
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bool LightStorage::reflection_probe_renders_shadows(RID p_probe) const {
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return false;
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}
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void LightStorage::reflection_probe_set_mesh_lod_threshold(RID p_probe, float p_ratio) {
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}
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float LightStorage::reflection_probe_get_mesh_lod_threshold(RID p_probe) const {
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return 0.0;
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}
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/* LIGHTMAP CAPTURE */
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RID LightStorage::lightmap_allocate() {
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return RID();
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}
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void LightStorage::lightmap_initialize(RID p_rid) {
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}
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void LightStorage::lightmap_free(RID p_rid) {
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}
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void LightStorage::lightmap_set_textures(RID p_lightmap, RID p_light, bool p_uses_spherical_haromics) {
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}
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void LightStorage::lightmap_set_probe_bounds(RID p_lightmap, const AABB &p_bounds) {
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}
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void LightStorage::lightmap_set_probe_interior(RID p_lightmap, bool p_interior) {
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}
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void LightStorage::lightmap_set_probe_capture_data(RID p_lightmap, const PackedVector3Array &p_points, const PackedColorArray &p_point_sh, const PackedInt32Array &p_tetrahedra, const PackedInt32Array &p_bsp_tree) {
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}
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PackedVector3Array LightStorage::lightmap_get_probe_capture_points(RID p_lightmap) const {
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return PackedVector3Array();
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}
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PackedColorArray LightStorage::lightmap_get_probe_capture_sh(RID p_lightmap) const {
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return PackedColorArray();
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}
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PackedInt32Array LightStorage::lightmap_get_probe_capture_tetrahedra(RID p_lightmap) const {
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return PackedInt32Array();
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}
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PackedInt32Array LightStorage::lightmap_get_probe_capture_bsp_tree(RID p_lightmap) const {
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return PackedInt32Array();
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}
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AABB LightStorage::lightmap_get_aabb(RID p_lightmap) const {
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return AABB();
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}
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void LightStorage::lightmap_tap_sh_light(RID p_lightmap, const Vector3 &p_point, Color *r_sh) {
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}
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|
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bool LightStorage::lightmap_is_interior(RID p_lightmap) const {
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return false;
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}
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|
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void LightStorage::lightmap_set_probe_capture_update_speed(float p_speed) {
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}
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|
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float LightStorage::lightmap_get_probe_capture_update_speed() const {
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return 0;
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}
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|
|
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/* LIGHT SHADOW MAPPING */
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/*
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|
|
|
RID LightStorage::canvas_light_occluder_create() {
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CanvasOccluder *co = memnew(CanvasOccluder);
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|
co->index_id = 0;
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|
co->vertex_id = 0;
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|
co->len = 0;
|
|
|
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return canvas_occluder_owner.make_rid(co);
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|
}
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|
|
|
void LightStorage::canvas_light_occluder_set_polylines(RID p_occluder, const PoolVector<Vector2> &p_lines) {
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|
CanvasOccluder *co = canvas_occluder_owner.get(p_occluder);
|
|
ERR_FAIL_COND(!co);
|
|
|
|
co->lines = p_lines;
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|
|
|
if (p_lines.size() != co->len) {
|
|
if (co->index_id) {
|
|
glDeleteBuffers(1, &co->index_id);
|
|
} if (co->vertex_id) {
|
|
glDeleteBuffers(1, &co->vertex_id);
|
|
}
|
|
|
|
co->index_id = 0;
|
|
co->vertex_id = 0;
|
|
co->len = 0;
|
|
}
|
|
|
|
if (p_lines.size()) {
|
|
PoolVector<float> geometry;
|
|
PoolVector<uint16_t> indices;
|
|
int lc = p_lines.size();
|
|
|
|
geometry.resize(lc * 6);
|
|
indices.resize(lc * 3);
|
|
|
|
PoolVector<float>::Write vw = geometry.write();
|
|
PoolVector<uint16_t>::Write iw = indices.write();
|
|
|
|
PoolVector<Vector2>::Read lr = p_lines.read();
|
|
|
|
const int POLY_HEIGHT = 16384;
|
|
|
|
for (int i = 0; i < lc / 2; i++) {
|
|
vw[i * 12 + 0] = lr[i * 2 + 0].x;
|
|
vw[i * 12 + 1] = lr[i * 2 + 0].y;
|
|
vw[i * 12 + 2] = POLY_HEIGHT;
|
|
|
|
vw[i * 12 + 3] = lr[i * 2 + 1].x;
|
|
vw[i * 12 + 4] = lr[i * 2 + 1].y;
|
|
vw[i * 12 + 5] = POLY_HEIGHT;
|
|
|
|
vw[i * 12 + 6] = lr[i * 2 + 1].x;
|
|
vw[i * 12 + 7] = lr[i * 2 + 1].y;
|
|
vw[i * 12 + 8] = -POLY_HEIGHT;
|
|
|
|
vw[i * 12 + 9] = lr[i * 2 + 0].x;
|
|
vw[i * 12 + 10] = lr[i * 2 + 0].y;
|
|
vw[i * 12 + 11] = -POLY_HEIGHT;
|
|
|
|
iw[i * 6 + 0] = i * 4 + 0;
|
|
iw[i * 6 + 1] = i * 4 + 1;
|
|
iw[i * 6 + 2] = i * 4 + 2;
|
|
|
|
iw[i * 6 + 3] = i * 4 + 2;
|
|
iw[i * 6 + 4] = i * 4 + 3;
|
|
iw[i * 6 + 5] = i * 4 + 0;
|
|
}
|
|
|
|
//if same buffer len is being set, just use BufferSubData to avoid a pipeline flush
|
|
|
|
if (!co->vertex_id) {
|
|
glGenBuffers(1, &co->vertex_id);
|
|
glBindBuffer(GL_ARRAY_BUFFER, co->vertex_id);
|
|
glBufferData(GL_ARRAY_BUFFER, lc * 6 * sizeof(real_t), vw.ptr(), GL_STATIC_DRAW);
|
|
} else {
|
|
glBindBuffer(GL_ARRAY_BUFFER, co->vertex_id);
|
|
glBufferSubData(GL_ARRAY_BUFFER, 0, lc * 6 * sizeof(real_t), vw.ptr());
|
|
}
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
|
|
|
|
if (!co->index_id) {
|
|
glGenBuffers(1, &co->index_id);
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, co->index_id);
|
|
glBufferData(GL_ELEMENT_ARRAY_BUFFER, lc * 3 * sizeof(uint16_t), iw.ptr(), GL_DYNAMIC_DRAW);
|
|
} else {
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, co->index_id);
|
|
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, lc * 3 * sizeof(uint16_t), iw.ptr());
|
|
}
|
|
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); //unbind
|
|
|
|
co->len = lc;
|
|
}
|
|
}
|
|
*/
|
|
|
|
#endif // !GLES3_ENABLED
|