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89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
#ifndef _GTARENDERER_HPP_
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#define _GTARENDERER_HPP_
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#define GLEW_STATIC
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#include <GL/glew.h>
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#include <memory>
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#include <vector>
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#include <render/ViewCamera.hpp>
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class Model;
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class ModelFrame;
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class GameWorld;
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class GTAObject;
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class Animator;
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/**
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* Renderer
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*
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* Handles low level rendering of Models, as well as high level rendering of
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* objects in the world.
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*/
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class GTARenderer
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{
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GameWorld* engine;
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struct RQueueEntry {
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Model* model;
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size_t g;
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size_t sg;
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glm::mat4 matrix;
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GTAObject* object;
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};
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bool renderFrame(Model* m, ModelFrame* f, const glm::mat4& matrix, GTAObject* object, bool queueTransparent = true);
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// Internal method for processing sub-geometry
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bool renderSubgeometry(Model* model, size_t g, size_t sg, const glm::mat4& matrix, GTAObject* object, bool queueTransparent = true);
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/// Queue of sub-geometry to post-render
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/// With a faster occulusion culling stage
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/// This could be replaced with a 2nd draw pass.
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std::vector<RQueueEntry> transparentDrawQueue;
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public:
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GTARenderer(GameWorld*);
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ViewCamera camera;
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/// The numer of things rendered by the last renderWorld
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size_t rendered;
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size_t culled;
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/* TODO clean up all these variables */
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GLint uniModel, uniProj, uniView, uniCol, uniAmbientCol, uniSunDirection, uniDynamicCol;
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GLint uniMatDiffuse, uniMatAmbient, uniFogStart, uniFogEnd;
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GLuint worldProgram;
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GLuint skyProgram;
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GLint skyUniView, skyUniProj, skyUniTop, skyUniBottom;
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/// Internal VAO to avoid clobbering global state.
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GLuint vao, debugVAO;
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GLuint planeVBO, skydomeVBO, skydomeIBO, debugVBO;
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GLuint debugTex;
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/**
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* Renders the current World.
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*/
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void renderWorld();
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void renderNamedFrame(Model*, const glm::mat4& matrix, const std::string& name);
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void renderGeometry(Model*, size_t geom, const glm::mat4& modelMatrix, GTAObject* = nullptr);
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/**
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* Renders a model (who'd have thought)
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*/
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void renderModel(Model*, const glm::mat4& modelMatrix, GTAObject* = nullptr, Animator* animator = nullptr);
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/**
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* Debug method renders all AI paths
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*/
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void renderPaths();
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};
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#endif
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