Initial Source Code commit
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
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TIBERIANDAWN/WIN32LIB/ICONCACH.H
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TIBERIANDAWN/WIN32LIB/ICONCACH.H
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//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/***********************************************************************************************
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*** 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 ***
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***********************************************************************************************
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* *
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* Project Name : Drawbuff - Westwood win95 library *
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* *
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* File Name : Iconcach.H *
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* *
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* Programmer : Steve Tall *
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* *
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* Start Date : November 8th, 1995 *
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* *
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* Last Update : November 16th, 1995 [ST] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Overview: This file cantains definition of the IconCacheClass and associated non member *
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* function prototypes. *
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* *
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* Functions: *
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* IconCacheClass::Get_Is_Cached -- member to allow access to private IsCached flag *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef ICONCACH_H
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#define ICONCACH_H
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#include <tile.h>
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#define ICON_WIDTH 24 // Icons must be this width to be cached
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#define ICON_HEIGHT 24 // Icons must be this height to be cached
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#define MAX_CACHED_ICONS 500 // Maximum number of icons that can be cached
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#define MAX_ICON_SETS 100 // Maximum number of icon sets that can be registered
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#define MAX_LOOKUP_ENTRIES 3000 // Size of icon index table
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/*
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** IconCacheClass for tracking individual icons cached into video memory
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**
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** Use Register_Icon_Set to identify a set of icons as cachable. Once registered, the icons
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** will be cached automatically when drawn.
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** Use Invalidate_Cached_Icons at the end of icon drawing to release the video memory used by the
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** caching system.
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** Restore_Cached_Icons may be used to reload the icons into video memory after a focus loss.
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**
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*/
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class IconCacheClass {
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public:
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IconCacheClass (void); // class constructor
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~IconCacheClass (void); // class destructor
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void Restore(void); // restore the surface
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BOOL Cache_It (void * icon_ptr); // Cache the icon to video memory
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void Uncache_It (void); // Restore the video memory and flag the icon as uncached
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void Draw_It (LPDIRECTDRAWSURFACE dest_surface , int x_pixel, int y_pixel, int window_left , int window_top , int window_width , int window_height);
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inline BOOL Get_Is_Cached(void); // Return the IsCached member
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int TimesDrawn; // counter of times cached icon has been drawn
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int TimesFailed; // counter of times cached icon has failed to draw
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private:
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LPDIRECTDRAWSURFACE CacheSurface; // Ptr to direct draw surface where icon resides
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BOOL IsCached; // Flag to say whether an icon is cached
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BOOL SurfaceLost; // Flag to indicate that our icons surface has been lost
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int DrawFrequency; // Number of times icon has been drawn
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void *IconSource; // Ptr to original icon data in system memory
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};
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/*
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** Structure to keep track of registered icon sets
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**
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*/
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typedef struct tIconSetType{
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IControl_Type *IconSetPtr; // Ptr to icon set data
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int IconListOffset; // Offset into icon index table for this icon set
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}IconSetType;
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extern IconCacheClass CachedIcons[MAX_CACHED_ICONS];
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extern void Invalidate_Cached_Icons (void);
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extern void Restore_Cached_Icons (void);
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extern void Register_Icon_Set (void *icon_data , BOOL pre_cache);
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//
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// Prototypes for assembly language procedures in STMPCACH.ASM
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//
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extern "C" void Clear_Icon_Pointers (void);
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extern "C" void Cache_Copy_Icon (void const *icon_ptr ,void * , int);
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extern "C" int Is_Icon_Cached (void const *icon_data , int icon);
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extern "C" int Get_Icon_Index (void *icon_ptr);
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extern "C" int Get_Free_Index (void);
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extern "C" BOOL Cache_New_Icon (int icon_index, void *icon_ptr);
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extern "C" int Get_Free_Cache_Slot(void);
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extern int CachedIconsDrawn;
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extern int UnCachedIconsDrawn;
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/***********************************************************************************************
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* ICC::Get_Is_Cached -- member to allow access to the private IsCached flag *
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* *
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* *
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* *
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* INPUT: Nothing *
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* *
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* OUTPUT: IsCached *
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* *
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* WARNINGS: None *
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* *
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* HISTORY: *
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* 11/13/95 9:42AM ST : Created *
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*=============================================================================================*/
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inline BOOL IconCacheClass::Get_Is_Cached (void)
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{
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return (IsCached);
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}
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#endif //ICONCACH_H
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