1/* SCCS Id: @(#)region.h 3.4 2002/10/15 */ 2/* Copyright (c) 1996 by Jean-Christophe Collet */ 3/* NetHack may be freely redistributed. See license for details. */ 4 5#ifndef REGION_H 6#define REGION_H 7 8/* generic callback function */ 9 10typedef boolean FDECL((*callback_proc), (genericptr_t, genericptr_t)); 11 12/* 13 * Overload the old player_inside field with two values, coded in such 14 * a way as to retain compatibility with 3.4.0 save and bones files; 15 * this relies on the fact that nethack's `boolean' is really stored 16 * in a `char' (or bigger type) rather than in a single bit. 17 * 18 * 3.4.1 save and bones files will be correct. 19 * 3.4.0 save files restored under 3.4.1 will be correct. 20 * 3.4.0 bones files used with 3.4.1 will continue to have the minor 21 * 3.4.0 bug of falsely claiming that the current game's hero is 22 * responsible for the dead former hero's stinking clouds. 23 */ 24#define REG_HERO_INSIDE 1 25#define REG_NOT_HEROS 2 26#define hero_inside(r) ((unsigned)(r)->player_flags & REG_HERO_INSIDE) 27#define heros_fault(r) (!((unsigned)(r)->player_flags & REG_NOT_HEROS)) 28#define set_hero_inside(r) ((r)->player_flags |= REG_HERO_INSIDE) 29#define clear_hero_inside(r) ((r)->player_flags &= ~REG_HERO_INSIDE) 30#define set_heros_fault(r) ((r)->player_flags &= ~REG_NOT_HEROS) 31#define clear_heros_fault(r) ((r)->player_flags |= REG_NOT_HEROS) 32 33typedef struct { 34 NhRect bounding_box; /* Bounding box of the region */ 35 NhRect *rects; /* Rectangles composing the region */ 36 short nrects; /* Number of rectangles */ 37 boolean attach_2_u; /* Region attached to player ? */ 38 unsigned int attach_2_m; /* Region attached to monster ? */ 39 /*struct obj *attach_2_o;*/ /* Region attached to object ? UNUSED YET */ 40 const char* enter_msg; /* Message when entering */ 41 const char* leave_msg; /* Message when leaving */ 42 short ttl; /* Time to live. -1 is forever */ 43 short expire_f; /* Function to call when region's ttl expire */ 44 short can_enter_f; /* Function to call to check wether the player 45 can, or can not, enter the region */ 46 short enter_f; /* Function to call when the player enters*/ 47 short can_leave_f; /* Function to call to check wether the player 48 can, or can not, leave the region */ 49 short leave_f; /* Function to call when the player leaves */ 50 short inside_f; /* Function to call every turn if player's 51 inside */ 52 boolean player_flags; /* (see above) */ 53 unsigned int* monsters; /* Monsters currently inside this region */ 54 short n_monst; /* Number of monsters inside this region */ 55 short max_monst; /* Maximum number of monsters that can be 56 listed without having to grow the array */ 57#define MONST_INC 5 58 59 /* Should probably do the same thing about objects */ 60 61 boolean visible; /* Is the region visible ? */ 62 int glyph; /* Which glyph to use if visible */ 63 genericptr_t arg; /* Optional user argument (Ex: strength of 64 force field, damage of a fire zone, ...*/ 65} NhRegion; 66 67#endif /* REGION_H */ 68