Kearwood Gilbert
447f2d730d
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CMake on multiple platforms / build (Release, cl, cl, windows-latest) (push) Has been cancelled
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CMake on multiple platforms / build (Release, clang, clang++, ubuntu-latest) (push) Has been cancelled
CMake on multiple platforms / build (Release, gcc, g++, ubuntu-latest) (push) Has been cancelled
Eliminated more direct setPushConstant calls
118 lines
4.9 KiB
C++
Executable File
118 lines
4.9 KiB
C++
Executable File
//
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// KRLight.h
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// Kraken Engine
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//
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// Copyright 2026 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#pragma once
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#include "resources/KRResource.h"
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#include "KRNode.h"
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#include "resources/texture/KRTexture.h"
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#include "resources/texture/KRTextureBinding.h"
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static const float KRLIGHT_MIN_INFLUENCE = 0.15f; // 0.05f
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static const float KRLIGHT_PARTICLE_RANGE = 600.0f;
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// KRENGINE_MAX_SHADOW_BUFFERS must be at least 6 to allow omni-directional lights to render cube maps
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#define KRENGINE_MAX_SHADOW_BUFFERS 6
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#define KRENGINE_SHADOW_MAP_WIDTH 1024
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#define KRENGINE_SHADOW_MAP_HEIGHT 1024
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class KRLight : public KRNode
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{
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public:
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static void InitNodeInfo(KrNodeInfo* nodeInfo);
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virtual ~KRLight();
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virtual std::string getElementName() override = 0;
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virtual tinyxml2::XMLElement* saveXML(tinyxml2::XMLNode* parent) override;
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virtual void loadXML(tinyxml2::XMLElement* e) override;
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void setIntensity(float intensity);
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float getIntensity() const;
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void setDecayStart(float decayStart);
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float getDecayStart() const;
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const hydra::Vector3& getColor();
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void setColor(const hydra::Vector3& color);
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void setFlareTexture(std::string flare_texture);
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void setFlareSize(float flare_size);
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void setFlareOcclusionSize(float occlusion_size);
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void deleteBuffers();
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virtual void getResourceBindings(std::list<KRResourceBinding*>& bindings) override;
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virtual void render(RenderInfo& ri) override;
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int getShadowBufferCount();
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int* getShadowTextures();
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KRViewport* getShadowViewports();
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protected:
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KRLight(KRScene& scene, std::string name);
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bool getShaderValue(const KRCamera* camera, ShaderValue value, float* output) const override;
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bool getShaderValue(const KRCamera* camera, ShaderValue value, hydra::Vector2* output) const override;
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bool getShaderValue(const KRCamera* camera, ShaderValue value, hydra::Vector3* output) const override;
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bool getImageBinding(const std::string& name, const KRTextureBinding** binding, KRSampler** sample) const final;
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// Properties
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KRNODE_PROPERTY(float, m_decayStart, 0.f, "decay_start");
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KRNODE_PROPERTY(hydra::Vector3, m_color, hydra::Vector3({1.f, 1.f, 1.f}), "decay_start");
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KRNODE_PROPERTY(float, m_intensity, 1.f, "intensity");
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KRNODE_PROPERTY(float, m_flareSize, 0.f, "flare_size");
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KRNODE_PROPERTY(float, m_flareOcclusionSize, 0.05f, "flare_occlusion_size");
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KRNODE_PROPERTY(bool, m_casts_shadow, true, "casts_shadow");
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KRNODE_PROPERTY(bool, m_light_shafts, true, "light_shafts");
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KRNODE_PROPERTY(float, m_dust_particle_density, 0.1f, "dust_particle_density");
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KRNODE_PROPERTY(float, m_dust_particle_size, 1.f, "dust_particle_size");
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KRNODE_PROPERTY(float, m_dust_particle_intensity, 1.f, "dust_particle_intensity");
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KRNODE_PROPERTY(KRTextureBinding, m_flareTexture, KRTexture::TEXTURE_USAGE_LIGHT_FLARE, "flare_texture");
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int m_occlusionQuery; // Occlusion query for attenuating occluded flares
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// Shadow Maps
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int m_cShadowBuffers;
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int shadowFramebuffer[KRENGINE_MAX_SHADOW_BUFFERS], shadowDepthTexture[KRENGINE_MAX_SHADOW_BUFFERS];
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bool shadowValid[KRENGINE_MAX_SHADOW_BUFFERS];
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KRViewport m_shadowViewports[KRENGINE_MAX_SHADOW_BUFFERS];
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void allocateShadowBuffers(int cBuffers);
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void invalidateShadowBuffers();
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virtual int configureShadowBufferViewports(const KRViewport& viewport);
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void renderShadowBuffers(RenderInfo& ri);
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private:
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hydra::Matrix4 getParticleModelMatrix(const KRViewport& viewport) const;
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int getParticleCount() const;
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int getSliceCount(const KRCamera* camera) const;
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};
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