justin
1 line
1.8 KiB
C++
1 line
1.8 KiB
C++
//
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// Dave's utilities including doubly-linked lists & simple state machines.
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//
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#ifndef __DLLIST_H__
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#define __DLLIST_H__
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#define RANGECHECKING
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//
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// RANGE-CHECKING PACAKGE
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//
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#ifdef RANGECHECKING
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// Does an inclusive range check of var.
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#define RNGCHECK(var, a, b) if ((var)<(a) || (var)>(b)) \
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I_Error("%s=%d in %s:%d", #var, var, __FILE__, __LINE__)
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// Does a null-check and negative-check on pointer.
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#define PTRCHECK(ptr) if (!(ptr) || ((int)(ptr) < 0)) \
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I_Error("%s=0x%lx in %s:%d", #ptr, (unsigned int)(ptr), __FILE__, __LINE__)
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#endif
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//
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// DOUBLY-LINKED LIST PACKAGE
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//
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typedef struct dlnode_struct dlnode_t;
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struct dlnode_struct
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{
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void *data;
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dlnode_t *prev, *next;
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};
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typedef struct
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{
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dlnode_t *head;
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dlnode_t *tail;
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} dllist_t;
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dllist_t *dll_NewList(void);
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dlnode_t *dll_AddEndNode(dllist_t *list, void *data);
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dlnode_t *dll_AddStartNode(dllist_t *list, void *data);
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void *dll_DelNode(dllist_t *list, dlnode_t *node);
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void *dll_DelEndNode(dllist_t *list);
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void *dll_DelStartNode(dllist_t *list);
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//
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// CHEAT SEQUENCE PACKAGE
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//
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#define SCRAMBLE(a) \
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((((a)&1)<<7) + (((a)&2)<<5) + ((a)&4) + (((a)&8)<<1) \
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+ (((a)&16)>>1) + ((a)&32) + (((a)&64)>>5) + (((a)&128)>>7))
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typedef struct
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{
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unsigned char *sequence;
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unsigned char *p;
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} cheatseq_t;
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int cht_CheckCheat(cheatseq_t *cht, char key);
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void cht_GetParam(cheatseq_t *cht, char *buffer);
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//
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// SCREEN WIPE PACKAGE
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//
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enum
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{
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wipe_ColorXForm, // simple gradual pixel change for 8-bit only
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wipe_Melt, // weird screen melt
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wipe_NUMWIPES
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};
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int wipe_StartScreen(int x, int y, int width, int height);
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int wipe_EndScreen(int x, int y, int width, int height);
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int wipe_ScreenWipe(int wipeno, int x, int y, int width, int height, int ticks);
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#endif
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