/**
 * @file XTPOpenGLTriangleRenderList.h
 * 
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 * 
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 * 
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 * 
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 * 
 */

/** @cond */
#if !defined(__XTPOPENGLTRIANGLERENDERLIST_H__)
#	define __XTPOPENGLTRIANGLERENDERLIST_H__
/** @endcond */

#	if _MSC_VER > 1000
#		pragma once
#	endif // _MSC_VER > 1000

#	include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

/** @cond */

class _XTP_EXT_CLASS CXTPOpenGLTriangleRenderList
{
public:
	CXTPOpenGLTriangleRenderList();
	~CXTPOpenGLTriangleRenderList();

	BOOL IsEmpty() const;
	void SetCurrentMatrices();
	void SetCurrentColor(float r, float g, float b, float a);
	void Add(const CXTPPoint3d& a, const CXTPPoint3d& an, const CXTPPoint3d& b,
			 const CXTPPoint3d& bn, const CXTPPoint3d& c, const CXTPPoint3d& cn);
	void Commit();
	void RenderAll();
	void Reset();
	void SetJitter(const CXTPPoint3d& offset);

private:
	struct State
	{
		UINT nRefs;
		GLfloat mView[16];

		void Activate(const CXTPPoint3d& jitter);
	};

	struct Color
	{
		UINT nRefs;
		float r;
		float g;
		float b;
		float a;

		void Activate();
	};

	struct Triangle
	{
		State* pState;
		Color* pColor;
		double dDist;
		struct Vertices
		{
			CXTPPoint3d v, n;
		} a, b, c;
	};

	static int __cdecl Compare(const void* x, const void* y);
	void PushRenderState(Triangle& triangle);
	void PopRenderState();
	void RenderTriangle(const CXTPPoint3d& a, const CXTPPoint3d& an, const CXTPPoint3d& b,
						const CXTPPoint3d& bn, const CXTPPoint3d& c, const CXTPPoint3d& cn);
	void ClearTriangleList();

	CArray<Triangle*, Triangle*> m_list;
	CList<State, const State&> m_states;
	CList<Color, const Color&> m_colors;
	CList<State*, State*> m_RenderStateQueue;
	CList<Color*, Color*> m_RenderColorQueue;
	CXTPPoint3d m_jitter;
	BOOL m_bCommitted;
};

AFX_INLINE BOOL CXTPOpenGLTriangleRenderList::IsEmpty() const
{
	return m_list.GetSize() == 0;
}

AFX_INLINE void CXTPOpenGLTriangleRenderList::SetJitter(const CXTPPoint3d& offset)
{
	m_jitter = offset;
}

/** @endcond */

#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
/** @cond */
#endif // #if !defined(__XTPOPENGLTRIANGLERENDERLIST_H__)
/** @endcond */