BumpyRenderer.hpp

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#pragma once
 
#include "BasicRenderer.hpp"
 
namespace BARE2D {
 
    /**
     * @class BumpyGlyph
     * @brief This is a glyph, but with bumpmap (for lighting etc.).
     */
    class BumpyGlyph : public Glyph {
        public:
            BumpyGlyph(glm::vec4& destRect, glm::vec4& uvRect, GLuint& Texture, GLuint& Bumpmap, float& Depth, Colour& colour, float& angle, glm::vec2& COR);
 
            // Bumpmap texture handle
            GLuint bumpmap;
    };
 
    /**
     * @class BumpyRenderer
     * @brief This is a BasicRenderer, but it includes the usage of bumpmaps. This can be useful for lighting. Has an additional uniform bumpmapSampler (sampler2D).
     */
    class BumpyRenderer : public BasicRenderer {
        public:
            BumpyRenderer(std::string& fragShader, std::string& vertShader, unsigned int perspectiveWidth = 2, unsigned int perspectiveHeight = 2);
            ~BumpyRenderer();
 
            virtual void initUniforms() override;
 
            virtual void preRender() override;
 
            virtual void render() override;
 
            // We need to delete this function, as it is no longer valid - we require a bumpmap.
            virtual void draw(glm::vec4 destRect, glm::vec4 uvRect, GLuint texture, float depth, Colour colour = Colour(255, 255, 255, 255), float angle = 0.0f, glm::vec2 COR = glm::vec2(0.5f));
            virtual void draw(glm::vec4 destRect, glm::vec4 uvRect, GLuint texture, GLuint bumpmap, float depth, Colour colour = Colour(255, 255, 255, 255), float angle = 0.0f, glm::vec2 COR = glm::vec2(0.5f));
 
        protected:
            virtual void createRenderBatches() override;
 
            // The bumpmaps that correspond to each render batch.
            std::vector<GLuint> m_batchBumpmaps;
 
    };
 
}