WireRenderer.java

package com.multimote.microz.block.render;

import com.multimote.microz.block.electricity.NormalWireBlock;
import com.multimote.microz.entity.render.model.SimpleBox;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;

/**
 * Created by multimote on 26.07.14.
 */
public class WireRenderer extends TileEntitySpecialRenderer {
    private static SimpleBox box = new SimpleBox(16, 4, 4);
    private static SimpleBox boxextra = new SimpleBox(6, 4, 4, 0, 8);
    private static SimpleBox boxcenter = new SimpleBox(4, 4, 4, 0, 16);
    private static ResourceLocation tex = new ResourceLocation("microz:textures/modelled/wire.png");

    @Override
    public void renderTileEntityAt(TileEntity tile, double x, double y, double z, float var8) {
        GL11.glPushMatrix();
        Minecraft.getMinecraft().renderEngine.bindTexture(tex);
        float f = 1F / 16F;
        GL11.glTranslated(x + 0.5, y + (0.5 - f * 2), z + 0.5);


        boolean xConnected = false;
        boolean yConnected = false;
        boolean zConnected = false;

        int sides = 0;

        if (NormalWireBlock.isConnectable(tile.getWorldObj(), tile.xCoord + 1, tile.yCoord, tile.zCoord)) {
            sides |= (1 << 1);
            xConnected = true;
        }
        if (NormalWireBlock.isConnectable(tile.getWorldObj(), tile.xCoord - 1, tile.yCoord, tile.zCoord)) {
            sides |= (1 << 2);
            xConnected = true;
        }
        if (NormalWireBlock.isConnectable(tile.getWorldObj(), tile.xCoord, tile.yCoord + 1, tile.zCoord)) {
            sides |= (1 << 3);
            yConnected = true;
        }
        if (NormalWireBlock.isConnectable(tile.getWorldObj(), tile.xCoord, tile.yCoord - 1, tile.zCoord)) {
            sides |= (1 << 4);
            yConnected = true;
        }
        if (NormalWireBlock.isConnectable(tile.getWorldObj(), tile.xCoord, tile.yCoord, tile.zCoord + 1)) {
            sides |= (1 << 5);
            zConnected = true;
        }
        if (NormalWireBlock.isConnectable(tile.getWorldObj(), tile.xCoord, tile.yCoord, tile.zCoord - 1)) {
            sides |= (1 << 6);
            zConnected = true;
        }


        if (xConnected || yConnected || zConnected) {

            boolean flag = false;

            if (xConnected && !yConnected && !zConnected) {
                box.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                flag = true;
            } else {
                if (((sides >> 1) & 1) != 0) {
                    GL11.glTranslatef(f * 5, 0, 0);
                    boxextra.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                    GL11.glTranslatef(-f * 5, 0, 0);
                }
                if (((sides >> 2) & 1) != 0) {
                    GL11.glTranslatef(-f * 5, 0, 0);
                    boxextra.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                    GL11.glTranslatef(f * 5, 0, 0);
                }
            }
            if (!xConnected && yConnected && !zConnected) {
                GL11.glRotatef(90F, 0, 0, 1);
                GL11.glTranslatef(f * 2, -f * 2, 0);
                box.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                GL11.glTranslatef(-f * 2, f * 2, 0);
                GL11.glRotatef(-90F, 0, 0, 1);
                flag = true;
            } else {
                if (((sides >> 3) & 1) != 0) {
                    GL11.glRotatef(90F, 0, 0, 1);
                    GL11.glTranslatef(f * 7, -f * 2, 0);
                    boxextra.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                    GL11.glTranslatef(-f * 7, f * 2, 0);
                    GL11.glRotatef(-90F, 0, 0, 1);
                }
                if (((sides >> 4) & 1) != 0) {
                    GL11.glRotatef(90F, 0, 0, 1);
                    GL11.glTranslatef(-f * 3, -f * 2, 0);
                    boxextra.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                    GL11.glTranslatef(f * 3, f * 2, 0);
                    GL11.glRotatef(-90F, 0, 0, 1);
                }
            }
            if (!xConnected && !yConnected && zConnected) {
                GL11.glRotatef(90F, 0.0F, 1.0F, 0.0F);
                box.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                GL11.glRotatef(-90F, 0.0F, 1.0F, 0.0F);
                flag = true;
            } else {
                if (((sides >> 5) & 1) != 0) {
                    GL11.glRotatef(90F, 0, 1, 0);
                    GL11.glTranslatef(-f * 5, 0, 0);
                    boxextra.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                    GL11.glTranslatef(f * 5, 0, 0);
                    GL11.glRotatef(-90F, 0, 1, 0);
                }
                if (((sides >> 6) & 1) != 0) {
                    GL11.glRotatef(90F, 0, 1, 0);
                    GL11.glTranslatef(f * 5, 0, 0);
                    boxextra.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
                    GL11.glTranslatef(-f * 5, 0, 0);
                    GL11.glRotatef(-90F, 0, 1, 0);
                }
            }

            if (!flag) boxcenter.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
        } else {
            float rotation = tile.getBlockMetadata() % 2 == 0 ? 90F : 0F;
            GL11.glRotatef(rotation, 0.0F, 1.0F, 0.0F);
            box.render(null, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0625F);
        }

        GL11.glPopMatrix();
    }


}