/*
* Copyright (c) CovertJaguar, 2014 http://railcraft.info
*
* This code is the property of CovertJaguar
* and may only be used with explicit written
* permission unless otherwise specified on the
* license page at http://railcraft.info/wiki/info:license.
*/
package mods.railcraft.client.render;
import java.util.HashMap;
import java.util.Map;
import mods.railcraft.client.render.RenderFakeBlock.RenderInfo;
import mods.railcraft.common.fluids.tanks.StandardTank;
import net.minecraft.client.renderer.GLAllocation;
import net.minecraft.util.IIcon;
import org.lwjgl.opengl.GL11;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.init.Blocks;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidStack;
/**
*
* @author CovertJaguar <http://www.railcraft.info>
*/
public class FluidRenderer {
private static final ResourceLocation BLOCK_TEXTURE = TextureMap.locationBlocksTexture;
private static final Map<Fluid, int[]> flowingRenderCache = new HashMap<Fluid, int[]>();
private static final Map<Fluid, int[]> stillRenderCache = new HashMap<Fluid, int[]>();
public static final int DISPLAY_STAGES = 100;
private static final RenderInfo liquidBlock = new RenderInfo();
static {
liquidBlock.texture = new IIcon[1];
}
public static IIcon getFluidTexture(FluidStack fluidStack, boolean flowing) {
if (fluidStack == null)
return RenderTools.getMissingIcon();
Fluid fluid = fluidStack.getFluid();
if (fluid == null)
return RenderTools.getMissingIcon();
IIcon icon = flowing ? fluid.getFlowingIcon() : fluid.getStillIcon();
icon = RenderTools.getSafeIcon(icon);
return icon;
}
public static ResourceLocation getFluidSheet(FluidStack liquid) {
return BLOCK_TEXTURE;
}
public static ResourceLocation setupFlowingLiquidTexture(FluidStack liquid, IIcon[] texArray) {
if (liquid == null || liquid.amount <= 0)
return null;
Fluid fluid = liquid.getFluid();
if (fluid == null)
return null;
IIcon top = RenderTools.getSafeIcon(fluid.getStillIcon());
IIcon side = RenderTools.getSafeIcon(fluid.getFlowingIcon());
texArray[0] = top;
texArray[1] = top;
texArray[2] = side;
texArray[3] = side;
texArray[4] = side;
texArray[5] = side;
return getFluidSheet(liquid);
}
public static void setColorForFluidStack(FluidStack fluidstack) {
if (fluidstack == null)
return;
int color = fluidstack.getFluid().getColor(fluidstack);
RenderTools.setColor(color);
}
public static void setColorForTank(StandardTank tank) {
if (tank == null)
return;
RenderTools.setColor(tank.colorCache);
}
public static int[] getLiquidDisplayLists(FluidStack fluidStack) {
return getLiquidDisplayLists(fluidStack, false);
}
public static int[] getLiquidDisplayLists(FluidStack fluidStack, boolean flowing) {
if (fluidStack == null)
return null;
Fluid fluid = fluidStack.getFluid();
if (fluid == null)
return null;
Map<Fluid, int[]> cache = flowing ? flowingRenderCache : stillRenderCache;
int[] diplayLists = cache.get(fluid);
if (diplayLists != null)
return diplayLists;
diplayLists = new int[DISPLAY_STAGES];
liquidBlock.texture[0] = null;
if (fluid.getBlock() != null) {
liquidBlock.template = fluid.getBlock();
liquidBlock.texture[0] = getFluidTexture(fluidStack, flowing);
} else {
liquidBlock.template = Blocks.water;
liquidBlock.texture[0] = getFluidTexture(fluidStack, flowing);
}
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glDisable(GL11.GL_BLEND);
GL11.glDisable(GL11.GL_CULL_FACE);
for (int s = 0; s < DISPLAY_STAGES; ++s) {
diplayLists[s] = GLAllocation.generateDisplayLists(1);
GL11.glNewList(diplayLists[s], 4864 /*GL_COMPILE*/);
liquidBlock.minX = 0.01f;
liquidBlock.minY = 0;
liquidBlock.minZ = 0.01f;
liquidBlock.maxX = 0.99f;
liquidBlock.maxY = (float) s / (float) DISPLAY_STAGES;
liquidBlock.maxZ = 0.99f;
RenderFakeBlock.renderBlockForEntity(liquidBlock, null, 0, 0, 0, false, true);
GL11.glEndList();
}
GL11.glColor4f(1, 1, 1, 1);
GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glEnable(GL11.GL_BLEND);
GL11.glEnable(GL11.GL_LIGHTING);
cache.put(fluid, diplayLists);
return diplayLists;
}
}