buildcraft.factory.RenderTank.java Source code

Introduction

Here is the source code for buildcraft.factory.RenderTank.java

Source

/**
 * Copyright (c) SpaceToad, 2011
 * http://www.mod-buildcraft.com
 *
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */

package buildcraft.factory;

import java.util.HashMap;

import net.minecraft.src.Block;
import net.minecraft.src.GLAllocation;
import net.minecraft.src.Item;
import net.minecraft.src.TileEntity;
import net.minecraft.src.TileEntitySpecialRenderer;
import net.minecraft.src.World;
import net.minecraft.src.forge.ITextureProvider;
import net.minecraft.src.forge.MinecraftForgeClient;

import org.lwjgl.opengl.GL11;

import buildcraft.api.liquids.LiquidStack;
import buildcraft.core.RenderEntityBlock;
import buildcraft.core.RenderEntityBlock.BlockInterface;

public class RenderTank extends TileEntitySpecialRenderer {

    final static private int displayStages = 100;

    private HashMap<Integer, int[]> stage = new HashMap<Integer, int[]>();

    private int[] getDisplayLists(int liquidId, int damage, World world) {

        if (stage.containsKey(liquidId))
            return stage.get(liquidId);

        int[] d = new int[displayStages];
        stage.put(liquidId, d);

        BlockInterface block = new BlockInterface();
        if (liquidId < Block.blocksList.length && Block.blocksList[liquidId] != null)
            block.texture = Block.blocksList[liquidId].blockIndexInTexture;
        else
            block.texture = Item.itemsList[liquidId].getIconFromDamage(damage);

        for (int s = 0; s < displayStages; ++s) {
            d[s] = GLAllocation.generateDisplayLists(1);
            GL11.glNewList(d[s], 4864 /* GL_COMPILE */);

            block.minX = 0.125 + 0.01;
            block.minY = 0;
            block.minZ = 0.125 + 0.01;

            block.maxX = 0.875 - 0.01;
            block.maxY = (float) s / (float) displayStages;
            block.maxZ = 0.875 - 0.01;

            RenderEntityBlock.renderBlock(block, world, 0, 0, 0, false, true);

            GL11.glEndList();
        }

        return d;
    }

    @Override
    public void renderTileEntityAt(TileEntity tileentity, double x, double y, double z, float f) {

        TileTank tank = ((TileTank) tileentity);

        LiquidStack liquid = tank.tank.getLiquid();

        if (liquid == null || liquid.amount <= 0 || liquid.itemID <= 0)
            return;

        int[] displayList = getDisplayLists(liquid.itemID, liquid.itemMeta, tileentity.worldObj);

        GL11.glPushMatrix();
        GL11.glDisable(2896 /* GL_LIGHTING */);

        Object obj = null;

        if (liquid.itemID < Block.blocksList.length && Block.blocksList[liquid.itemID] != null)
            obj = Block.blocksList[liquid.itemID];
        else
            obj = Item.itemsList[liquid.itemID];

        if (obj instanceof ITextureProvider)
            MinecraftForgeClient.bindTexture(((ITextureProvider) obj).getTextureFile());
        else
            MinecraftForgeClient.bindTexture("/terrain.png");

        GL11.glTranslatef((float) x + 0.5F, (float) y + 0.5F, (float) z + 0.5F);

        GL11.glCallList(displayList[(int) ((float) liquid.amount / (float) (tank.tank.getCapacity())
                * (displayStages - 1))]);

        GL11.glEnable(2896 /* GL_LIGHTING */);
        GL11.glPopMatrix();
    }
}