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Start on texture pack shader

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This commit is contained in:
Mike Primm 2011-07-15 23:19:05 -05:00
parent f461b67459
commit 79d63be6f3
4 changed files with 358 additions and 1 deletions
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137
src/main/java/org/dynmap/hdmap/TexturePack.java
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@ -4,9 +4,14 @@ import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.LineNumberReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
@ -15,6 +20,7 @@ import javax.imageio.ImageIO;
import org.dynmap.Color;
import org.dynmap.DynmapPlugin;
import org.dynmap.Log;
import org.dynmap.hdmap.HDPerspectiveState.BlockStep;
import org.dynmap.kzedmap.KzedMap;
/**
@ -56,6 +62,47 @@ public class TexturePack {
private HashMap<Integer, TexturePack> scaled_textures;
public static class HDTextureMap {
private short faces[]; /* index in terrain.png of image for each face (indexed by BlockStep.ordinal()) */
private List<Integer> blockids;
private int databits;
private static HDTextureMap[] texmaps;
private static void initializeTable() {
texmaps = new HDTextureMap[16*256];
HDTextureMap blank = new HDTextureMap();
for(int i = 0; i < texmaps.length; i++)
texmaps[i] = blank;
}
private HDTextureMap() {
blockids = Collections.singletonList(Integer.valueOf(0));
databits = 0xFFFF;
faces = new short[] { -1, -1, -1, -1, -1, -1 };
for(int i = 0; i < texmaps.length; i++) {
texmaps[i] = this;
}
}
public HDTextureMap(List<Integer> blockids, int databits, short[] faces) {
this.faces = faces;
this.blockids = blockids;
this.databits = databits;
}
public void addToTable() {
/* Add entries to lookup table */
for(Integer blkid : blockids) {
for(int i = 0; i < 16; i++) {
if((databits & (1 << i)) != 0) {
texmaps[16*blkid + i] = this;
}
}
}
}
}
/** Get or load texture pack */
public static TexturePack getTexturePack(String tpname) {
TexturePack tp = packs.get(tpname);
@ -378,6 +425,96 @@ public class TexturePack {
BufferedImage img = KzedMap.createBufferedImage(terrain_argb, terrain_width, terrain_height);
ImageIO.write(img, "png", f);
}
/**
* Load texture pack mappings from texture.txt file
*/
public static void loadTextureMapping(File plugindir) {
LineNumberReader rdr = null;
int cnt = 0;
/* Initialize map with blank map for all entries */
HDTextureMap.initializeTable();
try {
String line;
rdr = new LineNumberReader(new FileReader(new File(plugindir, "texture.txt")));
while((line = rdr.readLine()) != null) {
if(line.startsWith("block:")) {
ArrayList<Integer> blkids = new ArrayList<Integer>();
int databits = 0;
short faces[] = new short[] { -1, -1, -1, -1, -1, -1 };
line = line.substring(6);
String[] args = line.split(",");
for(String a : args) {
String[] av = a.split("=");
if(av.length < 2) continue;
if(av[0].equals("id")) {
blkids.add(Integer.parseInt(av[1]));
}
else if(av[0].equals("data")) {
if(av[1].equals("*"))
databits = 0xFFFF;
else
databits |= (1 << Integer.parseInt(av[1]));
}
else if(av[0].equals("top") || av[0].equals("y-")) {
faces[BlockStep.Y_MINUS.ordinal()] = Short.parseShort(av[1]);
}
else if(av[0].equals("bottom") || av[0].equals("y+")) {
faces[BlockStep.Y_PLUS.ordinal()] = Short.parseShort(av[1]);
}
else if(av[0].equals("north") || av[0].equals("x+")) {
faces[BlockStep.X_PLUS.ordinal()] = Short.parseShort(av[1]);
}
else if(av[0].equals("east") || av[0].equals("z-")) {
faces[BlockStep.Z_MINUS.ordinal()] = Short.parseShort(av[1]);
}
else if(av[0].equals("west") || av[0].equals("z+")) {
faces[BlockStep.Z_PLUS.ordinal()] = Short.parseShort(av[1]);
}
else if(av[0].equals("allfaces")) {
short id = Short.parseShort(av[1]);
for(int i = 0; i < 6; i++) {
faces[i] = id;
}
}
else if(av[0].equals("allsides")) {
short id = Short.parseShort(av[1]);
faces[BlockStep.X_PLUS.ordinal()] = id;
faces[BlockStep.X_MINUS.ordinal()] = id;
faces[BlockStep.Z_PLUS.ordinal()] = id;
faces[BlockStep.Z_MINUS.ordinal()] = id;
}
}
/* If we have everything, build block */
if((blkids.size() > 0) && (databits != 0)) {
HDTextureMap map = new HDTextureMap(blkids, databits, faces);
map.addToTable();
cnt++;
}
else {
Log.severe("Texture mapping missing required parameters = line " + rdr.getLineNumber() + " of texture.txt");
}
}
else if(line.startsWith("#") || line.startsWith(";")) {
}
}
Log.info("Loaded " + cnt + " texture mappings");
} catch (IOException iox) {
Log.severe("Error reading texture.txt - " + iox.toString());
} catch (NumberFormatException nfx) {
Log.severe("Format error - line " + rdr.getLineNumber() + " of texture.txt");
} finally {
if(rdr != null) {
try {
rdr.close();
rdr = null;
} catch (IOException e) {
}
}
}
}
public static void main(String[] args) {
TexturePack tp = TexturePack.getTexturePack("test");
TexturePack tp2 = tp.resampleTexturePack(4);