151 lines
7.1 KiB
C++
151 lines
7.1 KiB
C++
//
|
|
// Copyright 2020 Electronic Arts Inc.
|
|
//
|
|
// TiberianDawn.DLL and RedAlert.dll and corresponding source code 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.
|
|
|
|
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
|
|
// in the hope that it will be useful, but with permitted additional restrictions
|
|
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
|
|
// distributed with this program. You should have received a copy of the
|
|
// GNU General Public License along with permitted additional restrictions
|
|
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
|
|
|
|
/***********************************************************************************************
|
|
*** 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
|
|
|