mirror of
https://github.com/DrBeef/Raze.git
synced 2024-11-16 17:31:27 +00:00
acddac64be
- some more outer commands - gamearray persistence - faster 'mod': use math.modf instead of math.fmod (the former is JIT-compiled) - checkavail* - THISACTOR special handling - Fix building in Windows (export A_ShootWithZvel instead of A_Shoot). git-svn-id: https://svn.eduke32.com/eduke32@3516 1a8010ca-5511-0410-912e-c29ae57300e0
93 lines
2 KiB
Lua
93 lines
2 KiB
Lua
-- Bound-checking functions for engine and game "things".
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local ffiC = require("ffi").C
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local con_lang = require("con_lang")
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local bcheck = {}
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--== ENGINE ==--
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function bcheck.sector_idx(sectnum)
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if (sectnum >= ffiC.numsectors+0ULL) then
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error("invalid sector number "..sectnum, 3)
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end
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end
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function bcheck.wall_idx(wallnum)
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if (wallnum >= ffiC.numwalls+0ULL) then
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error("invalid wall number "..wallnum, 3)
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end
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end
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-- TODO: Provide another function that also checks whether the sprite exists in
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-- the game world (statnum != MAXSTATUS).
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function bcheck.sprite_idx(spritenum)
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if (spritenum >= ffiC.MAXSPRITES+0ULL) then
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error("invalid sprite number "..spritenum, 3)
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end
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end
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function bcheck.tile_idx(tilenum)
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if (tilenum >= ffiC.MAXTILES+0ULL) then
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error("invalid tile number "..tilenum, 3)
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end
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end
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--== GAME ==--
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function bcheck.player_idx(snum)
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if (snum >= ffiC.playerswhenstarted+0ULL) then
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error("invalid player number "..snum, 3)
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end
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end
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function bcheck.sound_idx(sndidx)
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if (sndidx >= con_lang.MAXSOUNDS+0ULL) then
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error("invalid sound number "..sndidx, 3)
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end
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end
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function bcheck.weapon_idx(weap)
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if (weap >= ffiC.MAX_WEAPONS+0ULL) then
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error("Invalid weapon ID "..weap, 3)
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end
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end
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function bcheck.inventory_idx(inv)
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if (inv >= ffiC.GET_MAX+0ULL) then
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error("Invalid inventory ID "..inv, 3)
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end
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end
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function bcheck.volume_idx(volume)
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if (volume >= con_lang.MAXVOLUMES+0ULL) then
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error("invalid volume number "..volume)
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end
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end
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function bcheck.level_idx(level)
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if (level >= con_lang.MAXLEVELS+0ULL) then
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error("invalid level number "..level)
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end
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end
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function bcheck.quote_idx(qnum, onlyidx)
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if (qnum >= con_lang.MAXQUOTES+0ULL) then
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error("invalid quote number "..qnum, 3)
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end
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if (onlyidx) then
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return nil
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end
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local cstr = ffiC.ScriptQuotes[qnum]
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if (cstr == nil) then
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error("null quote "..qnum, 3)
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end
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return cstr
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end
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return bcheck
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