crossfire
/
maps
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
editor/scripts/WorldMaker
View File

@ -1,10 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<script> <script>
<name>WorldMaker</name> <name>WorldMaker</name>
<code><![CDATA[import java.io.*; <code><![CDATA[import cfeditor.IGUIConstants;
import cfeditor.IGUIConstants;
import java.io.IOException; import java.io.IOException;
import javax.imageio.ImageIO; 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 * Functions declaration
@ -85,13 +90,27 @@ void checkDaList() {
HashSet mapList = new HashSet(); HashSet mapList = new HashSet();
boolean firstRun = false; boolean firstRun = false;
print("...");
long headerSize = ("P6\n"+DestWidth+" "+DestHeight+"\n255\n").getBytes().length;
print("...");
if (new File(Location + PictureDirectory + WorldPicture + ".ppm").exists()) { if (new File(Location + PictureDirectory + WorldPicture + ".ppm").exists()) {
runCommand("cp " + Location + PictureDirectory + WorldPicture + ".ppm /tmp/tmp.ppm"); runCommand("cp " + Location + PictureDirectory + WorldPicture + ".ppm /tmp/tmp.ppm");
} else { } 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; 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 x = 0; x < NumX.intValue(); x++) {
for (int y = 0; y < NumY.intValue(); y++) { for (int y = 0; y < NumY.intValue(); y++) {
@ -102,14 +121,25 @@ void checkDaList() {
didUpdate = updateMap(currentMap, currentPicture); didUpdate = updateMap(currentMap, currentPicture);
if ((didUpdate || firstRun) && currentPicture.exists()) { if ((didUpdate || firstRun) && currentPicture.exists()) {
runCommand("pngtopnm " + currentPicture + " | pnmscale -xysize " + TileWidth + " " + TileHeight + " > /tmp/ppm.tmp"); 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(); sx = x * TileWidth.intValue();
sy = y * TileHeight.intValue(); sy = y * TileHeight.intValue();
runCommand("pnmpaste /tmp/ppm.tmp " + sx + " " + sy + " /tmp/tmp.ppm > /tmp/tmp.ppm1"); long index=((long)sy*(long)DestWidth.intValue()+(long)sx)*(long)3+headerSize;
runCommand("rm -f /tmp/tmp.ppm"); for (long row=0; row<TileHeight.intValue();row++){
runCommand("mv /tmp/tmp.ppm1 /tmp/tmp.ppm"); 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"); runCommand("mv /tmp/tmp.ppm " + Location + PictureDirectory + WorldPicture + ".ppm");
print("converting to png if possible.\n"); print("converting to png if possible.\n");
runCommand("pnmtopng " + Location + PictureDirectory + WorldPicture + ".ppm > /tmp/tmp.png"); runCommand("pnmtopng " + Location + PictureDirectory + WorldPicture + ".ppm > /tmp/tmp.png");