new feature: coral

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

@@ -0,0 +1,96 @@
+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.material.Material;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.RenderBlocks;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.init.Blocks;
+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;
+
+public class RenderBlockBetterCoral extends RenderBlockAOBase implements IRenderBlockDecorator {
+
+	public IconSet coralCrustIcons = new IconSet("bettergrassandleaves", "better_crust_%d");
+	public IconSet coralCrossIcons = new IconSet("bettergrassandleaves", "better_coral_%d");
+	public NoiseGeneratorSimplex noise;
+	
+	public boolean isBlockAccepted(IBlockAccess blockAccess, int x, int y, int z, Block block, int original) {
+		if (!BetterFoliage.config.coralEnabled) return false;
+		if (block != Blocks.sand) return false;
+		int terrainVariation = MathHelper.floor_double((noise.func_151605_a(x * 0.1, z * 0.1) + 1.0) * 32.0);
+		return terrainVariation < BetterFoliage.config.coralPopulation.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 sand block
+		setPassCounters(1);
+		setRenderBoundsFromBlock(block);
+		renderStandardBlock(block, x, y, z);
+		
+		Double3 blockCenter = new Double3(x + 0.5, y + 0.5, z + 0.5);
+		double offset = pRand[getSemiRandomFromPos(x, y, z, 6)] * BetterFoliage.config.coralVOffset.value;
+		double halfSize = BetterFoliage.config.coralSize.value * 0.5;
+		double halfCrustSize = BetterFoliage.config.coralCrustSize.value * 0.5;
+		
+		Tessellator.instance.setBrightness(getBrightness(block, x, y, z));
+		for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS) {
+			if (blockAccess.getBlock(x + dir.offsetX, y + dir.offsetY, z + dir.offsetZ).getMaterial() != Material.water) continue;
+			if (blockAccess.isAirBlock(x + dir.offsetX, y + dir.offsetY + 1, z + dir.offsetZ)) continue;
+				
+			int variation = getSemiRandomFromPos(x, y, z, dir.ordinal());
+			if (variation < BetterFoliage.config.coralChance.value) {
+				renderCoralCrust(blockCenter, dir, offset, halfCrustSize, coralCrustIcons.get(variation), variation);
+				renderCrossedSideQuads(blockCenter.add(new Double3(dir).scale(0.5)), dir, 
+									   halfSize, halfSize, 
+									   pRot[variation], BetterFoliage.config.coralHOffset.value,
+									   coralCrossIcons.get(variation), 0, false);
+			}
+		}
+		
+		return true;
+	}
+	
+	protected void renderCoralCrust(Double3 blockCenter, ForgeDirection dir, double offset, double scale, IIcon icon, int uvRot) {
+		Double3 face1 = new Double3(faceDir1[dir.ordinal()]).scale(scale);
+		Double3 face2 = new Double3(faceDir2[dir.ordinal()]).scale(scale);
+		Double3 drawCenter = blockCenter.add(new Double3(dir).scale(0.5 + offset));
+		if (Minecraft.isAmbientOcclusionEnabled()) {
+			setShadingForFace(dir);
+			renderQuadWithShading(icon, drawCenter, face1, face2, uvRot, faceAOPP, faceAONP, faceAONN, faceAOPN);
+		} else {
+			renderQuad(icon, drawCenter, face1, face2, uvRot);
+		}
+	}
+	
+	@SubscribeEvent
+	public void handleTextureReload(TextureStitchEvent.Pre event) {
+		if (event.map.getTextureType() != 0) return;
+		
+		coralCrustIcons.registerIcons(event.map);
+		coralCrossIcons.registerIcons(event.map);
+		BetterFoliage.log.info(String.format("Found %d coral crust textures", coralCrustIcons.numLoaded));
+		BetterFoliage.log.info(String.format("Found %d coral textures", coralCrossIcons.numLoaded));
+	}
+	
+	@SubscribeEvent
+	public void handleWorldLoad(WorldEvent.Load event) {
+		noise = new NoiseGeneratorSimplex(new Random(event.world.getWorldInfo().getSeed() + 2));
+	}
+}