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Update script so it now handles big image file with less disk copy. 

Replace pnmpaste of world file (which output result in a copy) with a custom in file replacement 
(no copy, no need to reread full file on each iteration). 
1G world file are now feasible with reasonable run time.



git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@8055 282e977c-c81d-0410-88c4-b93c2d0d6712
master
tchize 2007-12-28 10:38:17 +00:00
parent 84d35d0d24
commit bf42a73463
1 changed files with 37 additions and 7 deletions
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44
editor/scripts/WorldMaker
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@ -1,10 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?>
<script>
<name>WorldMaker</name>
<code><![CDATA[import java.io.*;
import cfeditor.IGUIConstants;
<code><![CDATA[import cfeditor.IGUIConstants;
import java.io.IOException;
import javax.imageio.ImageIO;
import java.io.RandomAccessFile;
import java.io.FileOutputStream;
import java.io.File;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
/*
* Functions declaration
@ -85,13 +90,27 @@ void checkDaList() {
HashSet mapList = new HashSet();
boolean firstRun = false;
print("...");
long headerSize = ("P6\n"+DestWidth+" "+DestHeight+"\n255\n").getBytes().length;
print("...");
if (new File(Location + PictureDirectory + WorldPicture + ".ppm").exists()) {
runCommand("cp " + Location + PictureDirectory + WorldPicture + ".ppm /tmp/tmp.ppm");
} else {
runCommand("ppmmake \\#000 " + DestWidth + " " + DestHeight + " > /tmp/tmp.ppm");
File f = new File("/tmp/tmp.ppm");
String header = "P6\n"+DestWidth+" "+DestHeight+"\n255\n" ;
print("generating empty picture");
FileOutputStream fos = new FileOutputStream(f,false);
fos.write(header.getBytes());
byte[] buf = new byte[(int)DestWidth.intValue()*3];
for (int i=0;i<DestHeight.intValue();i++) fos.write(buf);
fos.close();
firstRun = true;
print("Creating images for the first time.");
}
print("gogogo");
long toSkip = ("P6\n"+TileWidth+" "+TileHeight+"\n255\n").getBytes().length;
RandomAccessFile raf = new RandomAccessFile(new File("/tmp/tmp.ppm"),"rw");
FileChannel fc = raf.getChannel();
byte[] buf = new byte[3*TileWidth.intValue()*TileHeight.intValue()];
for (int x = 0; x < NumX.intValue(); x++) {
for (int y = 0; y < NumY.intValue(); y++) {
@ -102,14 +121,25 @@ void checkDaList() {
didUpdate = updateMap(currentMap, currentPicture);
if ((didUpdate || firstRun) && currentPicture.exists()) {
runCommand("pngtopnm " + currentPicture + " | pnmscale -xysize " + TileWidth + " " + TileHeight + " > /tmp/ppm.tmp");
FileInputStream fis = new FileInputStream("/tmp/ppm.tmp");
fis.skip(toSkip);
fis.read(buf);
sx = x * TileWidth.intValue();
sy = y * TileHeight.intValue();
runCommand("pnmpaste /tmp/ppm.tmp " + sx + " " + sy + " /tmp/tmp.ppm > /tmp/tmp.ppm1");
runCommand("rm -f /tmp/tmp.ppm");
runCommand("mv /tmp/tmp.ppm1 /tmp/tmp.ppm");
long index=((long)sy*(long)DestWidth.intValue()+(long)sx)*(long)3+headerSize;
for (long row=0; row<TileHeight.intValue();row++){
MappedByteBuffer mbb = fc.map(
java.nio.channels.FileChannel.MapMode.READ_WRITE,
index+row*DestWidth.intValue()*(long)3,
TileWidth.intValue()*(long)3
);
mbb.put(buf,(int)(row*TileWidth.intValue()*3),(int)(TileWidth.intValue()*3));
}
}
}
}
raf.close();
runCommand("mv /tmp/tmp.ppm " + Location + PictureDirectory + WorldPicture + ".ppm");
print("converting to png if possible.\n");
runCommand("pnmtopng " + Location + PictureDirectory + WorldPicture + ".ppm > /tmp/tmp.png");