#ifndef _VERTEXBUFFER_H
#define _VERTEXBUFFER_H

#include "common.h"
#include "ravenmath.h"
#include "vector.h"

#define RAVEN_GEOMETRY_FLAG_INDICES		0x01
#define RAVEN_GEOMETRY_FLAG_VERTICES	0x02
#define RAVEN_GEOMETRY_FLAG_NORMALS		0x04
#define RAVEN_GEOMETRY_FLAG_COLORS		0x08
#define RAVEN_GEOMETRY_FLAG_TEXCOORDS	0x10

enum GeometryType
{
	RAVEN_GEOMETRY_POINTS,
	RAVEN_GEOMETRY_LINES,
	RAVEN_GEOMETRY_LINE_STRIP,
	RAVEN_GEOMETRY_LINE_LOOP,
	RAVEN_GEOMETRY_TRIS,
	RAVEN_GEOMETRY_TRI_STRIP,
	RAVEN_GEOMETRY_TRI_FAN,
	RAVEN_GEOMETRY_QUADS,
	RAVEN_GEOMETRY_QUAD_STRIP
};

class VertexBuffer
{
protected:
	unsigned int numindices;
	unsigned int numverts; // applies to each vertex AND it's normal and color + the number of pairs in each texture coord list
	unsigned int numtextures;
	int vbufattribs;

	int interleavedvertsize;

	unsigned int *indices;
	Vector3 *verts;
	Vector3 *norms;
	Vector4 *colors;
	Vector2 **texcoordsarr;
public:
	VertexBuffer(): indices(NULL),verts(NULL),norms(NULL),colors(NULL),
		texcoordsarr(NULL),numindices(0),numverts(0),numtextures(0),vbufattribs(0) {}
	VertexBuffer(int attribs): indices(NULL),verts(NULL),norms(NULL),colors(NULL),
		texcoordsarr(NULL),numindices(0),numverts(0),numtextures(0),vbufattribs(0)
		{vbufattribs=attribs;}
	virtual ~VertexBuffer();

	virtual void NumIndices(unsigned int num);
	virtual unsigned int NumIndices();
	virtual void NumVerts(unsigned int num);
	virtual unsigned int NumVerts();
	virtual void NumTextures(unsigned int num);
	virtual unsigned int NumTextures();

	virtual void SetInterleaved(void *data); // all data (but indices) passed in interleaved format added for optimal D3D support
	virtual void Set(int type,int idx,void *data); // pass indices, vertices, normals, etc.  idx is for texture coords
	virtual void Get(int type,int idx,void **data); // get that shit back
	virtual unsigned int Size(int type);
	virtual int GetBufAttribs();

	// this is a software buffer, so no specific rendering
	virtual bool IsSoftBuffer();
	virtual bool Render(GeometryType geomtype);
};

#endif