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#!/usr/bin/perl |
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# This script takes a bunch of world image files and combines them |
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# into one large image. This should be run from the directory |
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# where all the images are. |
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# Note that this takes a while to run. Probably pretty proportional |
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# to the the size of the target image. |
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# This is somewhat hacked for my usage - it presumes you run this |
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# from the top level of the maps directory (eg, contains world, scorn, |
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# etc directories). This is smart enough to regen the image files |
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# that may be missing/out of date. |
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|
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$DEST_WIDTH=3000; |
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$DEST_HEIGHT=3000; |
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|
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$NUM_X=30; |
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$NUM_Y=30; |
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|
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$START_X=100; |
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$START_Y=100; |
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|
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$TILE_WIDTH = $DEST_WIDTH/$NUM_X; |
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$TILE_HEIGHT = $DEST_HEIGHT/$NUM_Y; |
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# This is the command to run the editor. Really, it can be anything that |
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# outputs a .png file. The %I and %O are substituted with actul |
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# path names. |
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$CFEDITOR="cd /export/home/crossfire/CFJavaEditor; java -Xmx128mb -classpath class/:lib/png.jar:lib/visualtek.jar cfeditor.CFJavaEditor -infile %I -outfile %O > /dev/null"; |
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|
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die ("No images directory - exiting\n") if (! -d "./images"); |
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use Cwd; |
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$cwd = cwd(); |
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|
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|
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# If we already have a combined image, then we only need to paste |
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# the new bits onto it, saving a bunch of time |
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if (! -f "images/combine.ppm") { |
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system("ppmmake \\#000 $DEST_WIDTH $DEST_HEIGHT > /tmp/tmp.ppm"); |
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$first_run=1; |
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print "Creating images for the first time.\n"; |
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} else { |
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system("cp images/combine.ppm /tmp/tmp.ppm"); |
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$first_run=0; |
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} |
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|
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print "Processing."; |
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for ($x=0; $x<$NUM_X; $x++) { |
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for ($y=0; $y<$NUM_Y; $y++) { |
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print "."; |
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$dx = $x + $START_X; |
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$dy = $y + $START_Y; |
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|
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# These time values are the reverse in how you'd normally think about them - they |
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# are the time (in days) since the fiel was last modified. Thus, a file that hasn't |
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# been modified in a long time has a high value, a file modified recently has |
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# a low level. |
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$time1 = -M "images\/world_$dx\_$dy.png"; |
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$time2 = -M "world\/world_$dx\_$dy"; |
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if ($time1 > $time2) { |
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$cmd = $CFEDITOR; |
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$cmd =~ s#%I#$cwd/world/world_$dx\_$dy#; |
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$cmd =~ s#%O#$cwd/images/world_$dx\_$dy.png#; |
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system($cmd); |
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system("pngtopnm images/world_$dx\_$dy.png | pnmscale -xysize $TILE_WIDTH $TILE_HEIGHT > /tmp/ppm.tmp"); |
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$sx = $x * $TILE_WIDTH; |
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$sy = $y * $TILE_HEIGHT; |
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system("pnmpaste /tmp/ppm.tmp $sx $sy /tmp/tmp.ppm > /tmp/tmp.ppm1"); |
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unlink("/tmp/tmp.ppm"); |
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rename("/tmp/tmp.ppm1", "/tmp/tmp.ppm"); |
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} |
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} |
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} |
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system("mv /tmp/tmp.ppm images/combine.ppm"); |
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print "\n"; |
