💿🐜 Antkeeper source code
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189 lines
4.3 KiB
189 lines
4.3 KiB
/*
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* Copyright (C) 2017 Christopher J. Howard
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*
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* This file is part of Antkeeper Source Code.
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*
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* Antkeeper Source Code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper Source Code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper Source Code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef RENDER_PASSES_HPP
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#define RENDER_PASSES_HPP
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#include <emergent/emergent.hpp>
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using namespace Emergent;
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#include "material-loader.hpp"
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#include "model-loader.hpp"
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/**
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* Renders the distance from the view frustum's near clipping plane to scene geometry. The render target should have a depth only framebuffer.
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*/
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class ShadowMapRenderPass: public RenderPass
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{
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public:
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ShadowMapRenderPass();
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virtual bool load(const RenderContext* renderContext);
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virtual void unload();
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virtual void render(const RenderContext* renderContext);
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private:
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ShaderLoader shaderLoader;
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Shader* depthShader;
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};
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/**
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* Writes clipped edges to stencil buffer.
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*/
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class ClippingRenderPass: public RenderPass
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{
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public:
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ClippingRenderPass();
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virtual bool load(const RenderContext* renderContext);
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virtual void unload();
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virtual void render(const RenderContext* renderContext);
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void setClippingPlane(const Plane& plane);
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private:
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ShaderLoader shaderLoader;
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Shader* shader;
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Vector4 clippingPlane;
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};
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/**
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* Caps clipped geometry.
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*/
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class CappingRenderPass: public RenderPass
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{
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public:
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CappingRenderPass();
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virtual bool load(const RenderContext* renderContext);
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virtual void unload();
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virtual void render(const RenderContext* renderContext);
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private:
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ShaderLoader shaderLoader;
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Shader* shader;
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Texture horizonOTexture;
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Texture horizonATexture;
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Texture horizonBTexture;
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Texture horizonCTexture;
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};
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/**
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* Renders scene geometry.
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*/
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class LightingRenderPass: public RenderPass
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{
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public:
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LightingRenderPass();
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virtual bool load(const RenderContext* renderContext);
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virtual void unload();
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virtual void render(const RenderContext* renderContext);
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inline void setShadowMap(GLuint shadowMap) { this->shadowMap = shadowMap; }
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inline void setShadowCamera(const Camera* camera) { this->shadowCamera = camera; }
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inline void setClippingPlanes(const Plane* planes)
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{
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for (int i = 0; i < 5; ++i)
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{
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this->clippingPlanes[i] = planes[i];
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}
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}
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private:
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bool loadShader(const RenderOperation& operation);
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ShaderLoader shaderLoader;
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std::map<std::size_t, Shader*> shaderCache;
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Matrix4 biasMatrix;
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GLuint shadowMap;
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Texture treeShadow;
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const Camera* shadowCamera;
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float time;
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// Cutaway clipping and capping
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Plane clippingPlanes[5];
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Model* unitPlaneModel;
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ModelInstance cappingPlaneInstances[5];
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RenderQueue cappingRenderQueue;
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RenderContext cappingRenderContext;
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ClippingRenderPass clippingRenderPass;
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CappingRenderPass cappingRenderPass;
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MaterialLoader materialLoader;
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ModelLoader modelLoader;
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};
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/**
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* Renders bounding boxes, skeletons
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*/
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class DebugRenderPass: public RenderPass
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{
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public:
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virtual bool load(const RenderContext* renderContext);
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virtual void unload();
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virtual void render(const RenderContext* renderContext);
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private:
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ShaderLoader shaderLoader;
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Shader* unlitSolidShader;
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int aabbVertexCount;
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int aabbIndexCount;
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GLuint aabbVAO;
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GLuint aabbVBO;
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GLuint aabbIBO;
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};
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/**
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* Renders the user interface
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*/
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class UIRenderPass: public RenderPass
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{
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public:
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virtual bool load(const RenderContext* renderContext);
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virtual void unload();
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virtual void render(const RenderContext* renderContext);
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private:
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ShaderLoader shaderLoader;
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Shader* texturedUIShader;
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Shader* untexturedUIShader;
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};
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/**
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* Renders a vignette
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*/
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class VignetteRenderPass: public RenderPass
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{
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public:
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VignetteRenderPass();
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virtual bool load(const RenderContext* renderContext);
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virtual void unload();
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virtual void render(const RenderContext* renderContext);
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private:
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ShaderLoader shaderLoader;
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Shader* shader;
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GLuint bayerTextureID;
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};
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#endif // RENDER_PASSES_HPP
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