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package makamys.neodymium.util;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URL;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import org.apache.commons.io.FileUtils;
import org.lwjgl.BufferUtils;
import org.lwjgl.opengl.GL11;
import net.minecraft.launchwrapper.Launch;
public class Util {
private static boolean allowResourceOverrides = Boolean.parseBoolean(System.getProperty("neodymium.allowResourceOverrides", "false"));
public static Path getResourcePath(String relPath) {
if(allowResourceOverrides) {
File overrideFile = new File(new File(Launch.minecraftHome, "neodymium/resources"), relPath);
if(overrideFile.exists()) {
return overrideFile.toPath();
}
}
try {
URL resourceURL = Util.class.getClassLoader().getResource(relPath);
switch(resourceURL.getProtocol()) {
case "jar":
String urlString = resourceURL.getPath();
int lastExclamation = urlString.lastIndexOf('!');
String newURLString = urlString.substring(0, lastExclamation);
return FileSystems.newFileSystem(new File(URI.create(newURLString)).toPath(), null).getPath(relPath);
case "file":
return new File(URI.create(resourceURL.toString())).toPath();
default:
return null;
}
} catch(IOException e) {
return null;
}
}
public static String readFile(String path){
try {
return new String(Files.readAllBytes(Util.getResourcePath(path)));
} catch (IOException e) {
e.printStackTrace();
}
return "";
}
public static byte[] byteBufferToArray(ByteBuffer buffer) {
byte[] dst = new byte[buffer.limit()];
int pos = buffer.position();
buffer.position(0);
buffer.get(dst);
buffer.position(pos);
return dst;
}
public static int[] intBufferToArray(IntBuffer buffer) {
int[] dst = new int[buffer.limit()];
int pos = buffer.position();
buffer.position(0);
buffer.get(dst);
buffer.position(pos);
return dst;
}
public static float[] floatBufferToArray(FloatBuffer buffer) {
float[] dst = new float[buffer.limit()];
int pos = buffer.position();
buffer.position(0);
buffer.get(dst);
buffer.position(pos);
return dst;
}
public static double distSq(double x1, double y1, double z1, double x2, double y2, double z2) {
return Math.pow(x1 - x2, 2) +
Math.pow(y1 - y2, 2) +
Math.pow(z1 - z2, 2);
}
public static void dumpTexture() {
int width = GL11.glGetTexLevelParameteri(GL11.GL_TEXTURE_2D, 0, GL11.GL_TEXTURE_WIDTH);
int height = GL11.glGetTexLevelParameteri(GL11.GL_TEXTURE_2D, 0, GL11.GL_TEXTURE_HEIGHT);
System.out.println("Dumped " + width + "x" + height + " texture.");
ByteBuffer buf = BufferUtils.createByteBuffer(4 * width * height);
GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buf);
try {
// to convert to png:
// magick -size 512x256 -depth 8 out.rgba out.png
FileUtils.writeByteArrayToFile(new File("out.rgba"), Util.byteBufferToArray(buf));
} catch (IOException e) {
e.printStackTrace();
}
}
public static int createBrightness(int sky, int block) {
return sky << 20 | block << 4;
}
}
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