77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
/*##############################################################################
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## Author: Shaun Reed ##
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## Legal: All Content (c) 2021 Shaun Reed, all rights reserved ##
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## About: MeshRenderer class for quick object creation and drawing ##
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## ##
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## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
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##############################################################################*/
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#ifndef QTK_MESHRENDERER_H
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#define QTK_MESHRENDERER_H
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#include <mesh.h>
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#include <object.h>
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class MeshRenderer : public Object {
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public:
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// Delegate constructors
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MeshRenderer(const char * name, Vertices vertices, Indices indices,
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DrawMode mode=QTK_DRAW_ARRAYS)
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: MeshRenderer(name, ShapeBase(mode, vertices, indices))
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{}
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MeshRenderer(const char * name)
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: MeshRenderer(name, Cube(QTK_DRAW_ELEMENTS))
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{}
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// Constructor
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MeshRenderer(const char * name, const ShapeBase &shape);
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~MeshRenderer();
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// Retrieve a mesh by name stored within a static QHash
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static MeshRenderer * getInstance(const QString & name);
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void init();
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void draw();
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// Draw types like GL_TRIANGLES, GL_POINTS, GL_LINES, etc
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void setDrawType(int drawType) { mDrawType = drawType;}
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// Shader settings
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inline void setShaderVertex(const std::string & vert) { mVertexShader = vert;}
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inline void setShaderFragment(const std::string & frag) { mFragmentShader = frag;}
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void setShaders(const std::string & vert, const std::string & frag);
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template <typename T>
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inline void setUniform(int location, T value)
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{ mProgram.setUniformValue(location, value);}
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template <typename T>
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inline void setUniform(const char * location, T value)
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{ mProgram.setUniformValue(location, value);}
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// Set MVP matrix using this Object's transform
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// + View and projection provided by MainWidget static members
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void setUniformMVP(const char * model="uModel", const char * view="uView",
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const char * projection="uProjection");
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// Sets the texture to the image at the given path
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// + Sets mHasTexture to enable texture binding in draw()
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void setTexture(const char * path);
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void setTexture(QOpenGLTexture * texture);
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// These functions modify data stored in a VBO
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// + After calling them, the VBO will need to be reallocated
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void setShape(const Shape & value) override;
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void setColor(const QVector3D & color);
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// Static QHash of all mesh objects within the scene
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typedef QHash<QString, MeshRenderer *> MeshManager;
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private:
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static MeshManager sInstances;
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int mDrawType;
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bool mHasTexture;
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std::string mVertexShader, mFragmentShader;
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};
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#endif // QTK_MESHRENDERER_H
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