mirror of
https://codeberg.org/noisytoot/notnotdnethack.git
synced 2025-04-28 11:25:11 +01:00
Ron Nazarov
6a4ef23ca9
With formatting adjustments to the circle_data change and increasing MAX_RADIUS and make-circle-data.lisp to match.
84 lines
3.5 KiB
C
84 lines
3.5 KiB
C
/* SCCS Id: @(#)vision.h 3.4 1995/01/26 */
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/* Copyright (c) Dean Luick, with acknowledgements to Dave Cohrs, 1990. */
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/* NetHack may be freely redistributed. See license for details. */
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#ifndef VISION_H
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#define VISION_H
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#if 0 /* (moved to decl.h) */
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extern boolean vision_full_recalc; /* TRUE if need vision recalc */
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extern char **viz_array; /* could see/in sight row pointers */
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extern char *viz_rmin; /* min could see indices */
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extern char *viz_rmax; /* max could see indices */
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#endif
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/*Note: these are stored in char arrays*/
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#define COULD_SEE 0x01 /* location could be seen, if it were lit */
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#define IN_SIGHT 0x02 /* location can be seen */
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#define TEMP_LIT1 0x04 /* location is temporarily lit (regular) */
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#define TEMP_LIT2 0x08 /* location is temporarily lit (lowlight 2) */
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#define TEMP_LIT3 0x10 /* location is temporarily lit (lowlight 3) */
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#define TEMP_DRK1 0x20 /* location is temporarily dark (regular) */
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#define TEMP_DRK2 0x40 /* location is temporarily dark (lowlight 2) */
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#define TEMP_DRK3 0x80 /* location is temporarily dark (lowlight 3) */
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#define TEMP_LITMASK (TEMP_LIT1|TEMP_LIT2|TEMP_LIT3)
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#define TEMP_DRKMASK (TEMP_DRK1|TEMP_DRK2|TEMP_DRK3)
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#define TEMP_LITVAL(f) (!!(f&TEMP_LIT1)+!!(f&TEMP_LIT2)+!!(f&TEMP_LIT3))
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#define TEMP_DRKVAL(f) (!!(f&TEMP_DRK1)+!!(f&TEMP_DRK2)+!!(f&TEMP_DRK3))
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#define TEMP_LIT TEMP_LIT1 /* location is temporarily lit */
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#define TEMP_DRK TEMP_DRK1 /* location is temporarily lit */
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/*
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* Light source sources
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*/
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#define LS_OBJECT 0
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#define LS_MONSTER 1
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/*
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* cansee() - Returns true if the hero can see the location.
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*
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* couldsee() - Returns true if the hero has a clear line of sight to
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* the location.
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*/
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#define cansee(x,y) (viz_array[y][x] & IN_SIGHT)
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#define couldsee(x,y) (viz_array[y][x] & COULD_SEE)
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/* dimness function: if nvrange > dimness(x,y), square can be seen */
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#define dimness(x,y) (3 + TEMP_DRKVAL(viz_array[y][x]) - TEMP_LITVAL(viz_array[y][x]) \
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- levl[x][y].lit*(!(viz_array[y][x]&TEMP_DRKMASK) ? 3 : 1))
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#define isdark(x,y) ( (!levl[x][y].lit && !(viz_array[y][x] & TEMP_LIT1 && !(viz_array[y][x] & TEMP_DRK1))) ||\
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(levl[x][y].lit && (viz_array[y][x] & TEMP_DRK1 && !(viz_array[y][x] & TEMP_LIT1))))
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#define unshadowed_square(x,y) ((levl[x][y].lit && !(viz_array[y][x]&TEMP_DRKMASK)) || (!levl[x][y].lit && !(viz_array[y][x]&TEMP_LITMASK)))
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#define xrayrange() ((Xray_vision ? 3 : -1) + ((Role_if(PM_MONK) && ublindf && ublindf->oartifact == ART_EYE_OF_THE_OVERWORLD) ? ((u.ulevel+1)/10) : 0) + (u.sealsActive&SEAL_ORTHOS ? spiritDsize() + 1 : 0) + (Race_if(PM_ETHEREALOID)?3 + u.ulevel/7:0))
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#define xraydist() (xrayrange() < 0 ? -1 : xrayrange()*xrayrange())
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/*
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* The following assume the monster is not blind.
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*
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* m_cansee() - Returns true if the monster can see the given location.
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*
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* m_canseeu() - Returns true if the monster could see the hero. Assumes
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* that if the hero has a clear line of sight to the monster's
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* location and the hero is visible, then monster can see the
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* hero.
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*/
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#define m_cansee(mtmp,x2,y2) clear_path((mtmp)->mx,(mtmp)->my,(x2),(y2))
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#define m_canseeu(m) ((!Invis || mon_resistance((m),SEE_INVIS)) && \
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!(Underwater || u.uburied || (m)->mburied) ? \
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couldsee((m)->mx,(m)->my) : 0)
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/*
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* Circle information
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*/
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#define MAX_RADIUS 33 /* this is in points from the source */
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/* Use this macro to get a list of distances of the edges (see vision.c). */
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#define circle_ptr(z) (&circle_data[(int)circle_start[z]])
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#endif /* VISION_H */
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