Add utils/RenderAdapter.java
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269
utils/RenderAdapter.java
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269
utils/RenderAdapter.java
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package com.baseband.client.util.render;
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import net.minecraft.util.math.AxisAlignedBB;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.Vec3d;
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import org.lwjgl.opengl.GL11;
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import java.awt.*;
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import static org.lwjgl.opengl.GL11.*;
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public class RenderAdapter {
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static int mode;
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static int color;
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static Vec3d translated;
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static boolean depth;
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private static byte[] splitIntBE(int i) {
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return new byte[]{(byte)(i >> 24 & 0xff), (byte)(i >> 16 & 0xff), (byte)(i >> 8 & 0xff), (byte)(i >> 0 & 0xff)};
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}
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public static void ready() {
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glPushMatrix();
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}
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public static void translate(double x, double y, double z) {
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glTranslated(x,y,z);
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translated = new Vec3d(x,y,z);
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}
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public static void begin(int modeIn) {
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glBegin(mode = modeIn);
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}
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public static void color(int argb) {
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_LIGHTING);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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changeColor(argb);
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}
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public static void changeColor(int argb) {
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byte[] bytes = splitIntBE(argb);
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glColor4ub(bytes[1], bytes[2], bytes[3], bytes[0]);
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color = argb;
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}
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public static void depth(boolean b) {
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depth = b;
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if(b) {
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glEnable(GL_DEPTH_TEST);
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} else {
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glDisable(GL_CULL_FACE);
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glDisable(GL_DEPTH_TEST);
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glClear(GL_DEPTH_BUFFER_BIT);
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}
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}
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public static void put(double x, double y, double z) {
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glVertex3d(x,y,z);
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}
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public static void end() {
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translated = null;
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color = 0;
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depth = false;
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mode = 0;
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glEnd();
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glEnable(GL_TEXTURE_2D);
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glDisable(GL_BLEND);
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glEnable(GL_CULL_FACE);
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glEnable(GL_DEPTH_TEST);
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glPopMatrix();
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}
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public static void next() {
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// end current
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glEnd();
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glEnable(GL_TEXTURE_2D);
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glDisable(GL_BLEND);
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glEnable(GL_CULL_FACE);
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glEnable(GL_DEPTH_TEST);
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glPopMatrix();
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// start new
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glPushMatrix();
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glTranslated(translated.x, translated.y, translated.z);
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color(color);
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depth(depth);
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glBegin(mode);
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}
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/**
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* [redacted in BaseBand/public]
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*/
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public static void drawLinesAroundBlock(BlockPos pos, int color, Vec3d eyePos) {
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try {
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ready();
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translate(-eyePos.x, -eyePos.y, -eyePos.z);
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color(color);
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depth(false);
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begin(GL11.GL_LINES);
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drawLinesAroundBlockNow(pos.getX(), pos.getY(), pos.getZ());
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end();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void drawLinesAroundBlockNow(int x, int y, int z) {
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// bottom [redacted in BaseBand/public]
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put(x, y, z);
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put(x + 1, y, z);
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put(x, y, z);
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put(x, y, z + 1);
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put(x + 1, y, z);
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put(x + 1, y, z + 1);
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put(x, y, z + 1);
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put(x + 1, y, z + 1);
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//sides [redacted in BaseBand/public]
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put(x, y, z);
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put(x, y + 1, z);
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put(x + 1, y, z);
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put(x + 1, y + 1, z);
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put(x, y, z + 1);
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put(x, y + 1, z + 1);
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put(x + 1, y, z + 1);
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put(x + 1, y + 1, z + 1);
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put(x + 1, y, z);
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put(x + 1, y + 1, z);
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// top [redacted in BaseBand/public]
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put(x, y + 1, z);
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put(x + 1, y + 1, z);
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put(x, y + 1, z);
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put(x, y + 1, z + 1);
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put(x + 1, y + 1, z);
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put(x + 1, y + 1, z + 1);
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put(x, y + 1, z + 1);
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put(x + 1, y + 1, z + 1);
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}
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public static void drawLinesAroundBlock(BlockPos pos, Color color, Vec3d eyePos) {
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drawLinesAroundBlock(pos, color.getRGB(), eyePos);
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}
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public static void drawBlockFaces(BlockPos pos, int color, Vec3d eyePos) {
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try {
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ready();
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translate(-eyePos.x, -eyePos.y, -eyePos.z);
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color(color);
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depth(false);
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begin(GL_QUADS);
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drawBlockFacesNow(pos.getX(), pos.getY(), pos.getZ());
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end();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void drawBlockFacesNow(int x, int y, int z) {
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//bottom
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put(x, y, z);
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put(x + 1, y, z);
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put(x + 1, y, z + 1);
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put(x, y, z + 1);
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//z- face
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put(x, y, z);
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put(x, y + 1, z);
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put(x + 1, y + 1, z);
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put(x + 1, y, z);
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//z+ face
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put(x, y, z + 1);
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put(x, y + 1, z + 1);
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put(x + 1, y + 1, z + 1);
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put(x + 1, y, z + 1);
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//x- face
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put(x, y, z);
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put(x, y + 1, z);
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put(x, y + 1, z + 1);
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put(x, y, z + 1);
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//x+ face
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put(x + 1, y, z);
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put(x + 1, y + 1, z);
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put(x + 1, y + 1, z + 1);
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put(x + 1, y, z + 1);
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//top
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put(x, y + 1, z);
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put(x + 1, y + 1, z);
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put(x + 1, y + 1, z + 1);
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put(x, y + 1, z + 1);
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}
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public static void drawBlockFaces(BlockPos pos, Color color, Vec3d eyePos) {
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drawBlockFaces(pos, color.getRGB(), eyePos);
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}
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public static void drawAABB(AxisAlignedBB box, int color, Vec3d eyePos) {
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try {
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ready();
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translate(-eyePos.x, -eyePos.y, -eyePos.z);
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color(color);
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depth(false);
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begin(GL11.GL_QUADS);
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double entityHalfed = (box.maxX - box.minX) / 2;
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double entityHeight = (box.maxY - box.minY);
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Vec3d pos = new Vec3d(box.maxX - entityHalfed, box.minY, box.maxZ - entityHalfed);
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drawAABBNow(pos, entityHalfed, entityHeight);
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end();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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private static void drawAABBNow(Vec3d halfPos, double entityHalfed, double entityHeight) {
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// bottom
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put(halfPos.x - entityHalfed, halfPos.y - 0.01, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y - 0.01, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y - 0.01, halfPos.z - entityHalfed);
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put(halfPos.x - entityHalfed, halfPos.y - 0.01, halfPos.z - entityHalfed);
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// top
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put(halfPos.x - entityHalfed, halfPos.y + entityHeight, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y + entityHeight, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y + entityHeight, halfPos.z - entityHalfed);
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put(halfPos.x - entityHalfed, halfPos.y + entityHeight, halfPos.z - entityHalfed);
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// z -
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put(halfPos.x - entityHalfed, halfPos.y + entityHeight, halfPos.z - entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y + entityHeight, halfPos.z - entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y - 0.01, halfPos.z - entityHalfed);
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put(halfPos.x - entityHalfed, halfPos.y - 0.01, halfPos.z - entityHalfed);
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// z +
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put(halfPos.x - entityHalfed, halfPos.y + entityHeight, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y + entityHeight, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y - 0.01, halfPos.z + entityHalfed);
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put(halfPos.x - entityHalfed, halfPos.y - 0.01, halfPos.z + entityHalfed);
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// x -
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put(halfPos.x - entityHalfed, halfPos.y + entityHeight, halfPos.z - entityHalfed);
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put(halfPos.x - entityHalfed, halfPos.y + entityHeight, halfPos.z + entityHalfed);
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put(halfPos.x - entityHalfed, halfPos.y - 0.01, halfPos.z + entityHalfed);
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put(halfPos.x - entityHalfed, halfPos.y - 0.01, halfPos.z - entityHalfed);
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// y +
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put(halfPos.x + entityHalfed, halfPos.y + entityHeight, halfPos.z - entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y + entityHeight, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y - 0.01, halfPos.z + entityHalfed);
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put(halfPos.x + entityHalfed, halfPos.y - 0.01, halfPos.z - entityHalfed);
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}
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}
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