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IABSD.fr/xenocara/app/xlockmore/modes/pacman.h
matthieu
- app/xlockmore/modes/pacman.h
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/*- * Copyright (c) 2002 by Edwin de Jong <mauddib@gmx.net>. * * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose and without fee is hereby granted, * provided that the above copyright notice appear in all copies and that * both that copyright notice and this permission notice appear in * supporting documentation. * * This file is provided AS IS with no warranties of any kind. The author * shall have no liability with respect to the infringement of copyrights, * trade secrets or any patents by this file or any part thereof. In no * event will the author be liable for any lost revenue or profits or * other special, indirect and consequential damages. * * Revision History: * 3-May-2002: Added AI to pacman and ghosts, slowed down ghosts. * 26-Nov-2001: Random level generator added * 01-Nov-2000: Allocation checks * 04-Jun-1997: Compatible with xscreensaver * */ #define LEVHEIGHT 32U #define LEVWIDTH 40U #define GETNB(n) ((1 << (n)) - 1) #define TESTNB(v, n) (((1 << (n)) & v) != 0x00) #define SNB(v, n) ((v) |= (1 << (n))) #define UNSNB(v, n) ((v) &= ~(1 << (n))) #define GHOSTS 4U #define MAXMOUTH 11 #define MAXGPOS 2 #define MINGRIDSIZE 4 #define MINSIZE 3 #define NOWHERE 16383 #define START ((LRAND() & 1) ? 1 : 3) #define MINDOTPERC 10 #define YELLOW (MI_NPIXELS(mi) / 6) #define GREEN (23 * MI_NPIXELS(mi) / 64) #define BLUE (45 * MI_NPIXELS(mi) / 64) #define WHITE (MI_NPIXELS(mi)) #define LINEWIDTH 4 #define HLINEWIDTH 1 #define JAILHEIGHT 7 #define JAILWIDTH 8 #define GETFACTOR(x, y) ((x) > (y) ? 1 : ((x) < (y) ? -1 : 0)) #define SIGN(x) GETFACTOR((x), 0) #define TRACEVECS 40 #define DEF_TRACKMOUSE "False" static Bool trackmouse; typedef struct { int vx, vy; } tracevec_struct; typedef enum { inbox = 0, goingout, randdir, chasing, hiding } GhostState; typedef enum { ps_eating = 0, ps_chasing, ps_hiding, ps_random } PacmanState; typedef enum { GHOST_DANGER, GHOST_EATEN } GameState; typedef struct { unsigned int col, row; unsigned int lastbox, nextcol, nextrow; int dead; int cfactor, rfactor; int cf, rf; int oldcf, oldrf; int timeleft; GhostState aistate; /*int color; */ int speed; XPoint delta; XPoint err; } ghoststruct; typedef struct { unsigned int col, row; unsigned int lastbox, nextcol, nextrow; int mouthstage, mouthdirection; int cfactor, rfactor; int cf, rf; int oldcf, oldrf; int oldlx, oldly; int justate; PacmanState aistate; tracevec_struct trace[TRACEVECS]; int cur_trace; int state_change; int roundscore; int speed; int lastturn; XPoint delta; XPoint err; } pacmanstruct; typedef struct { unsigned short width, height; unsigned short nrows, ncols; short xs, ys, xb, yb; short incx, incy; GC stippledGC; int graphics_format; pacmanstruct pacman; ghoststruct *ghosts; unsigned int nghosts; Pixmap pacmanPixmap[4][MAXMOUTH]; /* Pixmap ghostPixmap[4][MAXGPOS];*/ Pixmap ghostPixmap; char level[LEVHEIGHT * LEVWIDTH]; unsigned int wallwidth; unsigned int dotsleft; int spritexs, spriteys, spritedx, spritedy; GameState gamestate; unsigned int timeleft; } pacmangamestruct; #define DIRVECS 4 static const struct { int dx, dy; } dirvecs[DIRVECS] = { {-1, 0}, {0, 1}, {1, 0}, {0, -1}}; static pacmangamestruct *pacmangames = (pacmangamestruct *) NULL; typedef char lev_t[LEVHEIGHT][LEVWIDTH + 1]; /* function type definitions */ /* level generation */ static int creatlevelblock(lev_t *level, const unsigned x, const unsigned y); static void setblockto(lev_t *level, const unsigned x, const unsigned y, const char c); static int checkset(lev_t *level, const unsigned x, const unsigned y); static int checksetout(lev_t *level, const unsigned x, const unsigned y); static int checkunsetdef(lev_t *level, const unsigned x, const unsigned y); static void clearlevel(lev_t *level); static void copylevel(char *dest, lev_t *level); static void createjail(lev_t *level, const unsigned width, const unsigned height); static void finishjail(lev_t *level, const unsigned width, const unsigned height); static int tryset(lev_t *level, const unsigned xpos, const unsigned ypos, const char *block); static int creatlevelblock(lev_t *level, const unsigned x, const unsigned y); static void filllevel(lev_t *level); static void frmtlevel(lev_t *level); static unsigned countdots(ModeInfo * mi); static int createnewlevel(ModeInfo * mi); static int check_pos(pacmangamestruct *pp, int y, int x, int ghostpass); static int check_dot(pacmangamestruct *pp, unsigned int x, unsigned int y); /* graphics rendering */ static void drawlevel(ModeInfo * mi); /* AI */ static int ghost_get_posdirs(pacmangamestruct *pp, int *posdirs, ghoststruct *g); static void ghost_random(pacmangamestruct *pp, ghoststruct *g); static void ghost_chasing(pacmangamestruct *pp, ghoststruct *g); static void ghost_hiding(pacmangamestruct *pp, ghoststruct *g); static void ghost_update(pacmangamestruct *pp, ghoststruct *g); static void pac_dot_vec(pacmangamestruct *pp, pacmanstruct *p, long *vx, long *vy); static int pac_ghost_prox_and_vector(pacmangamestruct *pp, pacmanstruct *p, long *vx, long *vy); static int pac_get_posdirs(pacmangamestruct *pp, pacmanstruct *p, int *posdirs); static void pac_clear_trace(pacmanstruct *p); static void pac_save_trace(pacmanstruct *p, const int vx, const int vy); static int pac_check_trace(const pacmanstruct *p, const int vx, const int vy); static void pac_eating(pacmangamestruct *pp, pacmanstruct *p); #if 0 static void pac_chasing(pacmangamestruct *pp, pacmanstruct *p); #endif static void pac_random(pacmangamestruct *pp, pacmanstruct *p); static int pac_get_vector_screen(pacmangamestruct *pp, pacmanstruct *p, const int x, const int y, int *vx, int *vy); static int pac_trackmouse(ModeInfo * mi, pacmangamestruct *pp, pacmanstruct *p); static void pac_update(ModeInfo * mi, pacmangamestruct *pp, pacmanstruct *p); /* generic functions */ static void repopulate(ModeInfo * mi);