100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
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/*
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* Event.h
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*
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* Interface to the event management system.
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*
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*/
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#ifndef _event_h
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#define _event_h
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/* The number of values in a context value chunk */
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#define CONTEXT_VALS 20
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/* One chunk of variables for a script context */
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typedef struct _val_chunk
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{
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INTERP_VAL asVals[CONTEXT_VALS];
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struct _val_chunk *psNext;
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} VAL_CHUNK;
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/* The number of links in a context event link chunk */
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#define CONTEXT_LINKS 10
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/* One chunk of event links for a script context */
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typedef struct _link_chunk
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{
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SWORD aLinks[CONTEXT_LINKS];
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struct _link_chunk *psNext;
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} LINK_CHUNK;
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/* The data needed within an object to run a script */
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typedef struct _script_context
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{
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SCRIPT_CODE *psCode; // The actual script to run
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VAL_CHUNK *psGlobals; // The objects copy of the global variables
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SDWORD triggerCount; // Number of currently active triggers
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SWORD release; // Whether to release the context when there are no triggers
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SWORD id;
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struct _script_context *psNext;
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} SCRIPT_CONTEXT;
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// The Event initialisation data
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typedef struct _event_init
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{
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UWORD valInit, valExt; // value chunk init values
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UWORD trigInit, trigExt; // trigger chunk init values
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UWORD contInit, contExt; // context chunk init values
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} EVENT_INIT;
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/*
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* A currently active trigger.
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* If the type of the triggger == TR_PAUSE, the trigger number stored is the
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* index of the trigger to replace this one when the event restarts
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*/
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typedef struct _active_trigger
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{
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UDWORD testTime;
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SCRIPT_CONTEXT *psContext;
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SWORD type; // enum - TRIGGER_TYPE
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SWORD trigger;
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UWORD event;
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UWORD offset;
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struct _active_trigger *psNext;
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} ACTIVE_TRIGGER;
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// The list of currently active triggers
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extern ACTIVE_TRIGGER *psTrigList;
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// The list of callback triggers
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extern ACTIVE_TRIGGER *psCallbackList;
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// The currently allocated contexts
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extern SCRIPT_CONTEXT *psContList;
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/* Initialise the event system */
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extern BOOL eventInitialise(EVENT_INIT *psInit);
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// Shutdown the event system
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extern void eventShutDown(void);
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// add a TR_PAUSE trigger to the event system.
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extern BOOL eventAddPauseTrigger(SCRIPT_CONTEXT *psContext, UDWORD event, UDWORD offset,
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UDWORD time);
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// Load a trigger into the system from a save game
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extern BOOL eventLoadTrigger(UDWORD time, SCRIPT_CONTEXT *psContext,
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SDWORD type, SDWORD trigger, UDWORD event, UDWORD offset);
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//resets the event timer - updateTime
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extern void eventTimeReset(UDWORD initTime);
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#endif
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