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Initial commit of Command & Conquer Red Alert source code.

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LFeenanEA
2025-02-27 16:15:05 +00:00
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WIN32LIB/INCLUDE/ICONCACH.H Normal file
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/*
** Command & Conquer Red Alert(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/>.
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : Drawbuff - Westwood win95 library *
* *
* File Name : Iconcach.H *
* *
* Programmer : Steve Tall *
* *
* Start Date : November 8th, 1995 *
* *
* Last Update : November 16th, 1995 [ST] *
* *
*---------------------------------------------------------------------------------------------*
* Overview: This file cantains definition of the IconCacheClass and associated non member *
* function prototypes. *
* *
* Functions: *
* IconCacheClass::Get_Is_Cached -- member to allow access to private IsCached flag *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef ICONCACH_H
#define ICONCACH_H
#include <tile.h>
#define ICON_WIDTH 24 // Icons must be this width to be cached
#define ICON_HEIGHT 24 // Icons must be this height to be cached
#define MAX_CACHED_ICONS 500 // Maximum number of icons that can be cached
#define MAX_ICON_SETS 100 // Maximum number of icon sets that can be registered
#define MAX_LOOKUP_ENTRIES 3000 // Size of icon index table
/*
** IconCacheClass for tracking individual icons cached into video memory
**
** Use Register_Icon_Set to identify a set of icons as cachable. Once registered, the icons
** will be cached automatically when drawn.
** Use Invalidate_Cached_Icons at the end of icon drawing to release the video memory used by the
** caching system.
** Restore_Cached_Icons may be used to reload the icons into video memory after a focus loss.
**
*/
class IconCacheClass {
public:
IconCacheClass (void); // class constructor
~IconCacheClass (void); // class destructor
void Restore(void); // restore the surface
BOOL Cache_It (void * icon_ptr); // Cache the icon to video memory
void Uncache_It (void); // Restore the video memory and flag the icon as uncached
void Draw_It (LPDIRECTDRAWSURFACE dest_surface , int x_pixel, int y_pixel, int window_left , int window_top , int window_width , int window_height);
inline BOOL Get_Is_Cached(void); // Return the IsCached member
int TimesDrawn; // counter of times cached icon has been drawn
int TimesFailed; // counter of times cached icon has failed to draw
private:
LPDIRECTDRAWSURFACE CacheSurface; // Ptr to direct draw surface where icon resides
BOOL IsCached; // Flag to say whether an icon is cached
BOOL SurfaceLost; // Flag to indicate that our icons surface has been lost
int DrawFrequency; // Number of times icon has been drawn
void *IconSource; // Ptr to original icon data in system memory
};
/*
** Structure to keep track of registered icon sets
**
*/
typedef struct tIconSetType{
IControl_Type *IconSetPtr; // Ptr to icon set data
int IconListOffset; // Offset into icon index table for this icon set
}IconSetType;
extern IconCacheClass CachedIcons[MAX_CACHED_ICONS];
extern void Invalidate_Cached_Icons (void);
extern void Restore_Cached_Icons (void);
extern void Register_Icon_Set (void *icon_data , BOOL pre_cache);
//
// Prototypes for assembly language procedures in STMPCACH.ASM
//
extern "C" void Clear_Icon_Pointers (void);
extern "C" void Cache_Copy_Icon (void const *icon_ptr ,void * , int);
extern "C" int Is_Icon_Cached (void const *icon_data , int icon);
extern "C" int Get_Icon_Index (void *icon_ptr);
extern "C" int Get_Free_Index (void);
extern "C" BOOL Cache_New_Icon (int icon_index, void *icon_ptr);
extern "C" int Get_Free_Cache_Slot(void);
extern int CachedIconsDrawn;
extern int UnCachedIconsDrawn;
/***********************************************************************************************
* ICC::Get_Is_Cached -- member to allow access to the private IsCached flag *
* *
* *
* *
* INPUT: Nothing *
* *
* OUTPUT: IsCached *
* *
* WARNINGS: None *
* *
* HISTORY: *
* 11/13/95 9:42AM ST : Created *
*=============================================================================================*/
inline BOOL IconCacheClass::Get_Is_Cached (void)
{
return (IsCached);
}
#endif //ICONCACH_H