#ifndef WORLD_RENDER_H
#define WORLD_RENDER_H

#include "tier0/platform.h"
#include "gamesystem.h"
#include "trig.h"
#include "materialsystem/imaterialsystem.h"
#include "materials.h"

#include "cglm/mat4.h"

abstract_class IViewport 
{
public:
	virtual void UpdateResolution( uint32_t uX, uint32_t uY ) = 0;

	virtual IImage *GetRenderImage() = 0;
	virtual IImage *GetDepthImage() = 0;
	virtual IImage *GetNormalImage() = 0;

	virtual void SetFOV( float f ) = 0;
	virtual void SetPosition( Vector v ) = 0;
	virtual void SetRotation( Quat q ) = 0;

	virtual uint32_t GetWidth() = 0;
	virtual uint32_t GetHeight() = 0;
};


abstract_class IMesh
{
public:

	virtual void SetVertices( IVertexBuffer *pBuffer ) = 0;
	virtual void SetIndicies( IIndexBuffer *pBuffer, EIndexFormat eIndexFormat ) = 0;

	virtual void SetMaterial( IMaterial *pMaterial ) = 0;
};

abstract_class IPointLight
{
public:
	virtual void SetColor( Vector vColor ) = 0;
	virtual void SetRadius( Vector vColor ) = 0;
	virtual void SetPosition( Vector vPosition ) = 0;
};

abstract_class IMeshInstance
{
public:
	virtual void SetPosition( Vector vPosition ) = 0;
	virtual void SetRotation( Quat vRotation ) = 0;
	virtual void SetScale( Vector vScale ) = 0;
	virtual void SetMaterial( CBaseMaterial *pMaterial ) = 0;
};

abstract_class IWorldRenderer: public IGameSystem
{
public:
	virtual IMesh *CreateMesh( const char *szName ) = 0;
	virtual IMeshInstance *CreateInstance( IMesh *pMesh ) = 0;
	virtual void DestroyMeshInstance( IMesh *pMesh, IMeshInstance *pInstance ) = 0;
	virtual void DestroyMesh( IMesh *pMesh ) = 0;

	virtual IViewport *CreateViewport( uint32_t uX, uint32_t uY ) = 0;
	virtual void DestroyViewport( IViewport *pViewport ) = 0;

	virtual void ConfigureShader( IShader *pShader ) = 0;

	virtual ITextureArray *GetTextures() = 0;
};


extern IWorldRenderer *g_pWorldRenderer;

#endif