Revert struct lol

2026-04-04 15:01:39 -05:00
parent 2f8410e8db
commit 7e0ef3d269
22 changed files with 26 additions and 25 deletions
@@ -0,0 +1,84 @@
+#pragma once
+#ifndef _NB_DRAW
+#define _NB_DRAW
+
+#include <GLLoad.h>
+
+#include <exception>
+#include <map>
+#include <string>
+#include <vector>
+
+#include "Buffers.h"
+#include "Shader.h"
+#include "VAOManager.hpp"
+
+#define THROW_DRAW_ERROR(msg) throw DrawError(msg, __FILE__, __LINE__);
+
+namespace NB{
+
+class DrawError : public std::runtime_error {
+public:
+    DrawError(const std::string&, const std::string& file="", int line=-1);
+};
+
+uint8_t VerticesFromPrimitives(GLenum, unsigned int num_prims=1);
+
+uint8_t PrimitivesFromVertices(GLenum, unsigned int);
+
+void copyVertexAttribute(const VertexAttribute&, VertexAttribute&);
+
+class DrawBuffer {
+public:
+typedef std::shared_ptr<Buffer> BufferManagerPointer;
+    DrawBuffer(VertexAttributeList, GLenum prim_type=GL_TRIANGLES);
+    //DrawBuffer(std::initializer_list<VertexAttribute>, std::initializer_list<VertexAttributePointer>);
+
+    unsigned int vertSize() const;
+    const std::shared_ptr<ShaderProgram> shader() const;
+    unsigned int elementBufferID() const;
+    unsigned int vertexBufferID() const;
+    virtual void draw() const;
+    RawVec vertAttrData(unsigned int);
+
+    VertexAttributeList changeVertLayout(unsigned int, VertexAttributePointer);
+    RawVec vertAttrData(unsigned int, const RawVec&);
+    virtual void elementData(const std::vector<unsigned int>&);
+    virtual void elementData(unsigned int);
+    virtual void elementData(const std::vector<unsigned int>&, unsigned int offset);
+    virtual void vertexData(const RawVec&);
+    virtual void vertexData(unsigned int num_verts);
+    virtual void vertexData(const RawVec&, unsigned int offset);
+
+    BufferManagerPointer _vert_data;
+    BufferManagerPointer _elmt_data;
+    VAOManager _VAO;
+    const GLenum _gl_primitive_type=0;
+    virtual VertexAttributeList defaultVAO(VertexAttributeList);
+    
+    unsigned int _num_verts, _num_prims;
+protected:
+};
+
+class DrawInstanceBuffer : public DrawBuffer {
+public:
+    DrawInstanceBuffer(VertexAttributeList, VertexAttributeList, GLenum primt_type=GL_TRIANGLES);
+
+    unsigned int instSize() const;
+    unsigned int instanceBufferID() const;
+    virtual void draw() const override;
+
+    VertexAttributeList changeInstanceLayout(unsigned int, VertexAttributePointer);
+    virtual void instanceData(const RawVec&);
+    virtual void instanceData(unsigned int);
+    virtual void instanceData(const RawVec&, unsigned int offset);
+
+    BufferManagerPointer _inst_data;
+    virtual VertexAttributeList defaultVAO(VertexAttributeList);
+    unsigned int _num_inst;
+    
+protected:
+};
+
+}
+#endif