129 lines
4.7 KiB
C++
129 lines
4.7 KiB
C++
/*************************************************************************/
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/* fog.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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#include "fog.h"
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using namespace RendererRD;
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Fog *Fog::singleton = nullptr;
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Fog::Fog() {
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singleton = this;
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}
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Fog::~Fog() {
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singleton = nullptr;
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}
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/* FOG VOLUMES */
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RID Fog::fog_volume_allocate() {
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return fog_volume_owner.allocate_rid();
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}
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void Fog::fog_volume_initialize(RID p_rid) {
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fog_volume_owner.initialize_rid(p_rid, FogVolume());
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}
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void Fog::fog_free(RID p_rid) {
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FogVolume *fog_volume = fog_volume_owner.get_or_null(p_rid);
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fog_volume->dependency.deleted_notify(p_rid);
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fog_volume_owner.free(p_rid);
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}
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void Fog::fog_volume_set_shape(RID p_fog_volume, RS::FogVolumeShape p_shape) {
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FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume);
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ERR_FAIL_COND(!fog_volume);
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if (p_shape == fog_volume->shape) {
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return;
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}
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fog_volume->shape = p_shape;
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fog_volume->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_AABB);
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}
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void Fog::fog_volume_set_extents(RID p_fog_volume, const Vector3 &p_extents) {
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FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume);
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ERR_FAIL_COND(!fog_volume);
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fog_volume->extents = p_extents;
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fog_volume->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_AABB);
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}
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void Fog::fog_volume_set_material(RID p_fog_volume, RID p_material) {
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FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume);
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ERR_FAIL_COND(!fog_volume);
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fog_volume->material = p_material;
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}
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RID Fog::fog_volume_get_material(RID p_fog_volume) const {
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FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume);
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ERR_FAIL_COND_V(!fog_volume, RID());
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return fog_volume->material;
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}
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RS::FogVolumeShape Fog::fog_volume_get_shape(RID p_fog_volume) const {
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FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume);
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ERR_FAIL_COND_V(!fog_volume, RS::FOG_VOLUME_SHAPE_BOX);
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return fog_volume->shape;
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}
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AABB Fog::fog_volume_get_aabb(RID p_fog_volume) const {
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FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume);
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ERR_FAIL_COND_V(!fog_volume, AABB());
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switch (fog_volume->shape) {
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case RS::FOG_VOLUME_SHAPE_ELLIPSOID:
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case RS::FOG_VOLUME_SHAPE_CONE:
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case RS::FOG_VOLUME_SHAPE_CYLINDER:
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case RS::FOG_VOLUME_SHAPE_BOX: {
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AABB aabb;
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aabb.position = -fog_volume->extents;
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aabb.size = fog_volume->extents * 2;
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return aabb;
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}
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default: {
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// Need some size otherwise will get culled
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return AABB(Vector3(-1, -1, -1), Vector3(2, 2, 2));
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}
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}
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return AABB();
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}
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Vector3 Fog::fog_volume_get_extents(RID p_fog_volume) const {
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const FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume);
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ERR_FAIL_COND_V(!fog_volume, Vector3());
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return fog_volume->extents;
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}
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