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lalien
e54aeb96aa
git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@21 3b4a5df2-a311-0410-b5c6-a8a6f20db521
37 lines
1.4 KiB
C++
37 lines
1.4 KiB
C++
#ifndef __SCREEN_MANAGER
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#define __SCREEN_MANAGER
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#include "Types.h"
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#include "ScreenIds.h"
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// Each screen in the game comes with a Status flag (what was the last thing the screen was doing), an Initialization
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// function (which loads up the screen if necessary), a Handler function which is called while the screen is showing and
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// a shutdown function which is called when the screen is getting ready to make another screen active.
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typedef struct Screens
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{
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UINT32 (*InitializeScreen)(void);
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UINT32 (*HandleScreen)(void);
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UINT32 (*ShutdownScreen)(void);
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} Screens;
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// These defines are used as flags for each screen state. The only legal transition of states is
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// SCR_INACTIVE -> SCR_INITIALIZING -> SCR_ACTIVE -> SCR_SHUTTING_DOWN -> SCR_INACTIVE ... Anything else
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// will cause the system to yak.
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#define SCR_INACTIVE 0x00
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#define SCR_INITIALIZING 0x01
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#define SCR_ACTIVE 0x02
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#define SCR_SHUTTING_DOWN 0x04
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// This extern is made available to make sure that external modules will have access to the screen information
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extern Screens GameScreens[MAX_SCREENS];
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// We must include all the following .H files which have prototypes for all the initialization, handler and shutdown
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// functions for all the screens. There should be as many includes as there are screens.
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#include "jascreens.h"
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#endif |