Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.

GeneralsMD/Code/GameEngine/Include/GameClient/Smudge.h

@@ -0,0 +1,101 @@
+/*
+**	Command & Conquer Generals Zero Hour(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	This program is free software: you can redistribute it and/or modify
+**	it under the terms of the GNU General Public License as published by
+**	the Free Software Foundation, either version 3 of the License, or
+**	(at your option) any later version.
+**
+**	This program is distributed in the hope that it will be useful,
+**	but WITHOUT ANY WARRANTY; without even the implied warranty of
+**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**	GNU General Public License for more details.
+**
+**	You should have received a copy of the GNU General Public License
+**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+// FILE: Smudge.h /////////////////////////////////////////////////////////
+
+#pragma once
+
+#ifndef _SMUDGE_H_
+#define _SMUDGE_H_
+
+#include "WW3D2/dllist.h"
+#include "WWMATH/Vector2.h"
+#include "WWMATH/Vector3.h"
+
+#define SET_SMUDGE_PARAMETERS(smudge,pos,offset,size,opacity) (smudge->m_pos=pos;smudge->m_offset=offset;smudge->m_size=size;smudge->m_opacity=opacity;)
+
+struct Smudge : public DLNodeClass<Smudge>
+{
+	W3DMPO_GLUE(Smudge)
+
+	Vector3 m_pos;	//position of smudge center
+	Vector2 m_offset; // difference in position between "texture" extraction and re-insertion for center vertex
+	Real m_size;		//size of smudge in world space.
+	Real m_opacity;	//alpha of center vertex, corners are assumed at 0
+
+	struct smudgeVertex
+	{	Vector3 pos;	//world-space position of vertex
+		Vector2 uv;	//uv coordinates of vertex
+	};
+	smudgeVertex m_verts[5];	//5 vertices of this smudge (in counter-clockwise order, starting at top-left, ending in center.)
+};
+
+struct SmudgeSet : public DLNodeClass<SmudgeSet>
+{
+	W3DMPO_GLUE(SmudgeSet)
+
+public:
+
+	friend class SmudgeManager;
+
+	SmudgeSet( void );
+	virtual ~SmudgeSet();
+	void reset(void);
+
+	Smudge *addSmudgeToSet(void);
+	void removeSmudgeFromSet ( Smudge &mySmudge);
+	DLListClass<Smudge> &getUsedSmudgeList( void ) { return m_usedSmudgeList;}
+	Int getUsedSmudgeCount(void) { return m_usedSmudgeCount; }	///<active smudges that need rendering.
+
+private:
+	DLListClass<Smudge> m_usedSmudgeList;	///<list of smudges in this set.
+	static DLListClass<Smudge> m_freeSmudgeList;	///<list of unused smudges for use by SmudgeSets.
+	Int m_usedSmudgeCount;
+};
+
+class SmudgeManager
+{
+public:
+	SmudgeManager( void );
+	virtual ~SmudgeManager();
+
+	virtual void init(void);
+	virtual void reset (void);
+	virtual void ReleaseResources(void) {}
+	virtual void ReAcquireResources(void) {}
+
+	SmudgeSet *addSmudgeSet(void);
+	void removeSmudgeSet(SmudgeSet &mySmudge);
+	inline Int getSmudgeCountLastFrame(void) {return m_smudgeCountLastFrame;} ///<return number of smudges submitted last frame.
+	inline void setSmudgeCountLastFrame(Int count) { m_smudgeCountLastFrame = count;} 
+	inline Bool getHardwareSupport(void) { return m_hardwareSupportStatus != SMUDGE_SUPPORT_NO;}
+
+protected:
+
+	enum HardwareSmudgeSupport {SMUDGE_SUPPORT_UNKNOWN,SMUDGE_SUPPORT_NO,SMUDGE_SUPPORT_YES};
+
+	HardwareSmudgeSupport m_hardwareSupportStatus;///< flag whether we verified that the effect is supported by hardware.
+
+	DLListClass<SmudgeSet> m_usedSmudgeSetList;	///<used SmudgeSets
+	DLListClass<SmudgeSet> m_freeSmudgeSetList;	///<unused SmudgeSets ready for re-use.
+	Int m_smudgeCountLastFrame;	//number of total smudges in manager last frame.
+};
+
+extern SmudgeManager *TheSmudgeManager;	///<singleton
+
+#endif	//_SMUDGE_H_