2f6d82dcc6
More region fixes. The region restore code wasn't updating monster
ID numbers for bones data, so monsters already inside stinking clouds
might or might not be affected by them depending on arbitrary mon->mid
assignments across the old and new games.
This also flags stinking clouds in a way that lets the game keep
track of whether they were created by the player, and clears that state
for bones data so that the current player doesn't get credit or blame
for clouds left by the former one. File compatibility with 3.4.0 is
retained; if/when that eventually changes, this code can be simplified.
Testing with current development code has been limited but seems
to be working correctly; testing with actual 3.4.0 files has not been
attempted.
68 lines
2.9 KiB
C
68 lines
2.9 KiB
C
/* SCCS Id: @(#)region.h 3.4 2002/10/15 */
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/* Copyright (c) 1996 by Jean-Christophe Collet */
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/* NetHack may be freely redistributed. See license for details. */
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#ifndef REGION_H
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#define REGION_H
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/* generic callback function */
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typedef boolean FDECL((*callback_proc), (genericptr_t, genericptr_t));
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/*
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* Overload the old player_inside field with two values, coded in such
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* a way as to retain compatibility with 3.4.0 save and bones files;
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* this relies on the fact that nethack's `boolean' is really stored
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* in a `char' (or bigger type) rather than in a single bit.
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*
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* 3.4.1 save and bones files will be correct.
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* 3.4.0 save files restored under 3.4.1 will be correct.
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* 3.4.0 bones files used with 3.4.1 will continue to have the minor
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* 3.4.0 bug of falsely claiming that the current game's hero is
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* responsible for the dead former hero's stinking clouds.
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*/
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#define REG_HERO_INSIDE 1
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#define REG_NOT_HEROS 2
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#define hero_inside(r) ((unsigned)(r)->player_flags & REG_HERO_INSIDE)
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#define heros_fault(r) (!((unsigned)(r)->player_flags & REG_NOT_HEROS))
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#define set_hero_inside(r) ((r)->player_flags |= REG_HERO_INSIDE)
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#define clear_hero_inside(r) ((r)->player_flags &= ~REG_HERO_INSIDE)
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#define set_heros_fault(r) ((r)->player_flags &= ~REG_NOT_HEROS)
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#define clear_heros_fault(r) ((r)->player_flags |= REG_NOT_HEROS)
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typedef struct {
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NhRect bounding_box; /* Bounding box of the region */
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NhRect *rects; /* Rectangles composing the region */
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short nrects; /* Number of rectangles */
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boolean attach_2_u; /* Region attached to player ? */
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unsigned int attach_2_m; /* Region attached to monster ? */
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/*struct obj *attach_2_o;*/ /* Region attached to object ? UNUSED YET */
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const char* enter_msg; /* Message when entering */
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const char* leave_msg; /* Message when leaving */
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short ttl; /* Time to live. -1 is forever */
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short expire_f; /* Function to call when region's ttl expire */
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short can_enter_f; /* Function to call to check wether the player
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can, or can not, enter the region */
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short enter_f; /* Function to call when the player enters*/
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short can_leave_f; /* Function to call to check wether the player
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can, or can not, leave the region */
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short leave_f; /* Function to call when the player leaves */
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short inside_f; /* Function to call every turn if player's
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inside */
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boolean player_flags; /* (see above) */
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unsigned int* monsters; /* Monsters currently inside this region */
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short n_monst; /* Number of monsters inside this region */
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short max_monst; /* Maximum number of monsters that can be
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listed without having to grow the array */
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#define MONST_INC 5
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/* Should probably do the same thing about objects */
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boolean visible; /* Is the region visible ? */
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int glyph; /* Which glyph to use if visible */
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genericptr_t arg; /* Optional user argument (Ex: strength of
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force field, damage of a fire zone, ...*/
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} NhRegion;
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#endif /* REGION_H */
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