ref: 9ced712a2ad70557a8ceb89ff3b969b92c85f68c
dir: /sys/man/1/dpic/
.TH DPIC 1 .SH NAME dpic, todpic \- Doom picture decoder and encoder .SH SYNOPSIS .B dpic [ .B -f ] [ .B -p .I palette ] [ .I pic ] .PP .B todpic [ .B -fw ] [ .B -b .I bgcol ] [ .B -p .I palette ] [ .I image ] .SH DESCRIPTION .I Dpic reads a doom picture formatted image (default standard input), converts it to a Plan 9 .IR image (6) and writes it to standard out. .I Todpic does the opposite transformation. .PP A color palette is needed for the process; its location is set to .B /mnt/wad/playpal by default. This may be overridden with the .B -p command line option. Both programs also accept an .B -f flag to indicate processing a doom 64x64 flat picture. .PP When encoding a doom picture, x and y offsets are set to the input's top left corner coordinates. The .B -w flag sets the offsets so as to center the picture when drawn by the doom engine, which is useful for wall patches. The .B -b option sets the RGB24 color to signal transparent pixels, .L 0x00FFFF by default. .SH EXAMPLES Create a patch .I WAD (see .IR wadfs (4)) replacing a sky texture. First, create a 256x128 image, mirror it, and convert it for use with .IR tweak (1). .IP .EX % png -9t tuttleglenda.png \\ | resample -x 128 -y 128 \\ | crop -r 0 0 256 128 \\ | rotate -l \\ | iconv -c m8 > tuttlesky .EE .PP Next, use .IR tweak (1) to tile the 128x128 picture. Then, mount an .I IWAD containing the base color palette, convert to a doom picture, create a patch .IR WAD , then launch doom using it. .IP .EX % games/wadfs /sys/games/lib/doom/doom2.wad createfile SW18_7: file already exists % games/wadfs -m /mnt/new % games/todpic tuttlesky > /mnt/new/rsky1 % cp /mnt/new/WAD tuttle.wad % games/doom -file tuttle.wad .EE .PP Create a crude catclock weapon sprite. .IP .EX % games/wadfs /sys/games/lib/doom/doom2.wad createfile SW18_7: file already exists % mkdir /mnt/new/s adding end marker S_END % cp /mnt/wad/s/* /mnt/new/s/ % crop -r 0 0 114 120 -t -120 -60 catclock.bit \\ | games/todpic -b 0xffffff > /mnt/new/s/punga0 % games/doom -file /mnt/new/WAD .EE .SH SOURCE .B /sys/src/games/dpic.c .br .B /sys/src/games/todpic.c .SH "SEE ALSO" .IR games (1), .IR tweak (1), .IR wadfs (4) .SH HISTORY .I Dpic and .I todpic first appeared in 9front (July, 2018).