new feature: algae

src/main/java/mods/betterfoliage/client/render/impl/RenderBlockBetterAlgae.java

@@ -0,0 +1,78 @@
+package mods.betterfoliage.client.render.impl;
+
+import java.util.Random;
+
+import mods.betterfoliage.BetterFoliage;
+import mods.betterfoliage.client.render.IRenderBlockDecorator;
+import mods.betterfoliage.client.render.IconSet;
+import mods.betterfoliage.client.render.RenderBlockAOBase;
+import mods.betterfoliage.common.util.Double3;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockDirt;
+import net.minecraft.block.material.Material;
+import net.minecraft.client.renderer.RenderBlocks;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.util.IIcon;
+import net.minecraft.util.MathHelper;
+import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.gen.NoiseGeneratorSimplex;
+import net.minecraftforge.client.event.TextureStitchEvent;
+import net.minecraftforge.common.util.ForgeDirection;
+import net.minecraftforge.event.world.WorldEvent;
+import cpw.mods.fml.common.eventhandler.SubscribeEvent;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
+@SideOnly(Side.CLIENT)
+public class RenderBlockBetterAlgae extends RenderBlockAOBase implements IRenderBlockDecorator {
+
+	public IconSet algaeIcons = new IconSet("bettergrassandleaves", "better_algae_%d");
+	public NoiseGeneratorSimplex noise;
+	
+	public boolean isBlockAccepted(IBlockAccess blockAccess, int x, int y, int z, Block block, int original) {
+		if (!BetterFoliage.config.algaeEnabled) return false;
+		if (y >= 254 || !(block instanceof BlockDirt)) return false;
+		if (blockAccess.getBlock(x, y + 1, z).getMaterial() != Material.water) return false;
+		if (blockAccess.getBlock(x, y + 2, z).getMaterial() != Material.water) return false;
+		if (blockAccess.getBiomeGenForCoords(x, z).temperature < 0.4f) return false;
+		int terrainVariation = MathHelper.floor_double((noise.func_151605_a(x, z) + 1.0) * 32.0);
+		return terrainVariation < BetterFoliage.config.algaeChance.value;
+	}
+	
+	public boolean renderWorldBlock(IBlockAccess world, int x, int y, int z, Block block, int modelId, RenderBlocks renderer) {
+		// store world for later use
+		blockAccess = world;
+		
+		// render grass block
+		setPassCounters(1);
+		setRenderBoundsFromBlock(block);
+		renderStandardBlock(block, x, y, z);
+		
+		int variation = getSemiRandomFromPos(x, y, z, 0);
+		int heightVariation = getSemiRandomFromPos(x, y, z, 1);
+		
+		IIcon renderIcon = algaeIcons.get(variation);
+		if (renderIcon == null) return true;
+		
+		double scale = BetterFoliage.config.algaeSize.value * 0.5;
+		double halfHeight = 0.5 * (BetterFoliage.config.algaeHeightMin.value + pRand[heightVariation] * (BetterFoliage.config.algaeHeightMax.value - BetterFoliage.config.algaeHeightMin.value));
+		Tessellator.instance.setBrightness(getBrightness(block, x, y + 1, z));
+		renderCrossedSideQuads(new Double3(x + 0.5, y + 1.0 - 0.125 * halfHeight, z + 0.5), ForgeDirection.UP, scale, halfHeight, pRot[variation], BetterFoliage.config.algaeHOffset.value, renderIcon, 0, false);
+		
+		return true;
+	}
+	
+	@SubscribeEvent
+	public void handleTextureReload(TextureStitchEvent.Pre event) {
+		if (event.map.getTextureType() != 0) return;
+		
+		algaeIcons.registerIcons(event.map);
+		BetterFoliage.log.info(String.format("Found %d algae textures", algaeIcons.numLoaded));
+	}
+	
+	@SubscribeEvent
+	public void handleWorldLoad(WorldEvent.Load event) {
+		noise = new NoiseGeneratorSimplex(new Random(event.world.getWorldInfo().getSeed() + 1));
+	}
+	
+}