mirror of
https://github.com/ZDoom/Raze.git
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87 lines
1.9 KiB
Text
87 lines
1.9 KiB
Text
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// Inputs to "state checknearwall".
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gamevar wd 128 0 // wall distance
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gamevar cfd 1024 0 // ceiling/floor distance
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// Outputs of "state checknearwall".
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gamevar hitwall -1 0
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// Temporary variables.
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gamevar tmp 0 0
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gamevar ret 0 0
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gamevar x 0 0
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gamevar y 0 0
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gamevar z 0 0
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gamevar sectnum 0 0
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define CM_BLK_WAL 1
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state getcoords
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setvarvar x sprite[THISACTOR].x
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setvarvar y sprite[THISACTOR].y
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setvarvar z sprite[THISACTOR].z
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setvarvar sectnum sprite[THISACTOR].sectnum
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ends
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// Inputs: (wd, cfd)
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// Returns: hitwall
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// -1: hit no wall
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// >=0: hit that wall
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state checknearwall
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setvar hitwall -1
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setvarvar tmp wd, shiftvarl tmp 14
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state getcoords
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clipmovenoslide ret (x, y, z, sectnum) (tmp, 0) (wd, cfd, cfd) CM_BLK_WAL
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ifvarn ret 0 { setvarvar hitwall ret, subvar hitwall 32768, break }
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state getcoords
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clipmovenoslide ret (x, y, z, sectnum) (0, tmp) (wd, cfd, cfd) CM_BLK_WAL
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ifvarn ret 0 { setvarvar hitwall ret, subvar hitwall 32768, break }
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mulvar tmp -1
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state getcoords
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clipmovenoslide ret (x, y, z, sectnum) (tmp, 0) (wd, cfd, cfd) CM_BLK_WAL
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ifvarn ret 0 { setvarvar hitwall ret, subvar hitwall 32768, break }
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state getcoords
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clipmovenoslide ret (x, y, z, sectnum) (0, tmp) (wd, cfd, cfd) CM_BLK_WAL
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ifvarn ret 0 { setvarvar hitwall ret, subvar hitwall 32768, break }
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ends
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////////// Example usage //////////
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onevent EVENT_PROCESSINPUT
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state checknearwall
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endevent
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define Q_tmp 500
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definequote Q_tmp <write on me>
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define Q_no 501
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definequote Q_no Hit no wall
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define Q_yes 502
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definequote Q_yes Hit wall %d
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define Q_info 503
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definequote Q_info pos: %d %d %d sect: %d
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onevent EVENT_DISPLAYREST
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qsprintf Q_tmp Q_info, x y z sectnum
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minitext (100, 8) Q_tmp (0, 0)
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ifvarn hitwall -1
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{
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qsprintf Q_tmp Q_yes hitwall
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minitext (100, 16) Q_tmp (0, 0)
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}
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else
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{
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minitext (100, 16) Q_no (0, 0)
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}
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endevent
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