made block recognition cleaner

src/main/java/mods/betterfoliage/client/BetterFoliageClient.java

@@ -1,9 +1,7 @@
 package mods.betterfoliage.client;
 
 import java.io.File;
-import java.util.Iterator;
 import java.util.Map;
-import java.util.Set;
 
 import mods.betterfoliage.BetterFoliage;
 import mods.betterfoliage.client.render.IRenderBlockDecorator;
@@ -15,25 +13,24 @@ import mods.betterfoliage.client.resource.ILeafTextureRecognizer;
 import mods.betterfoliage.client.resource.LeafTextureGenerator;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockLeavesBase;
+import net.minecraft.block.BlockTallGrass;
 import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.init.Blocks;
 import net.minecraft.world.IBlockAccess;
 import net.minecraftforge.common.MinecraftForge;
-import net.minecraftforge.event.world.WorldEvent;
 
 import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
 
 import cpw.mods.fml.client.registry.RenderingRegistry;
 import cpw.mods.fml.common.FMLCommonHandler;
-import cpw.mods.fml.common.eventhandler.SubscribeEvent;
 
 public class BetterFoliageClient implements ILeafTextureRecognizer {
 
 	public static Map<Integer, IRenderBlockDecorator> decorators = Maps.newHashMap();
 	public static LeafTextureGenerator leafGenerator;
 	
-	public static Set<Class<?>> blockLeavesClasses = Sets.newHashSet();
-	public static Set<Integer> leafBlockIDs = Sets.newHashSet();
+	public static BlockMatcher leaves;
+	public static BlockMatcher crops;
 	
 	public static void preInit() {
 		FMLCommonHandler.instance().bus().register(new KeyHandler());
@@ -44,9 +41,15 @@ public class BetterFoliageClient implements ILeafTextureRecognizer {
 		registerRenderer(new RenderBlockBetterCactus());
 		registerRenderer(new RenderBlockBetterLilypad());
 		
-		blockLeavesClasses.add(BlockLeavesBase.class);
-		addLeafBlockClass("forestry.arboriculture.gadgets.BlockLeaves");
-		addLeafBlockClass("thaumcraft.common.blocks.BlockMagicalLeaves");
+		leaves = new BlockMatcher(BlockLeavesBase.class.getName(),
+								  "forestry.arboriculture.gadgets.BlockLeaves",
+								  "thaumcraft.common.blocks.BlockMagicalLeaves");
+		leaves.load(new File(BetterFoliage.configDir, "whitelistLeaves.cfg"));
+		
+		crops = new BlockMatcher(BlockTallGrass.class.getName(),
+								 "biomesoplenty.common.blocks.BlockBOPFlower",
+								 "biomesoplenty.common.blocks.BlockBOPFlower2");
+		crops.load(new File(BetterFoliage.configDir, "whitelistCrops.cfg"));
 		
 		BetterFoliage.log.info("Registering leaf texture generator");
 		leafGenerator = new LeafTextureGenerator();
@@ -81,26 +84,4 @@ public class BetterFoliageClient implements ILeafTextureRecognizer {
 		decorator.init();
 	}
 
-	protected static void addLeafBlockClass(String className) {
-		try {
-			blockLeavesClasses.add(Class.forName(className));
-		} catch(ClassNotFoundException e) {
-		}
-	}
-	
-	/** Caches leaf block IDs on world load for fast lookup
-	 * @param event
-	 */
-	@SuppressWarnings("unchecked")
-	@SubscribeEvent
-	public void handleWorldLoad(WorldEvent.Load event) {
-		Iterator<Block> iter = Block.blockRegistry.iterator();
-		while (iter.hasNext()) {
-			Block block = iter.next();
-			int blockId = Block.blockRegistry.getIDForObject(block);
-			for (Class<?> clazz : BetterFoliageClient.blockLeavesClasses)
-				if (clazz.isAssignableFrom(block.getClass()))
-					leafBlockIDs.add(blockId);
-		}
-	}
 }

src/main/java/mods/betterfoliage/client/BlockMatcher.java

@@ -0,0 +1,99 @@
+package mods.betterfoliage.client;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Set;
+
+import mods.betterfoliage.BetterFoliage;
+import net.minecraft.block.Block;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.event.world.WorldEvent;
+
+import com.google.common.collect.Sets;
+
+import cpw.mods.fml.common.eventhandler.SubscribeEvent;
+
+public class BlockMatcher {
+
+	public Set<String> defaultClasses = Sets.newHashSet();
+	public Set<Class<?>> classes = Sets.newHashSet();
+	public Set<Integer> blockIDs = Sets.newHashSet();
+	
+	public BlockMatcher(String... defaults) {
+		Collections.addAll(defaultClasses, defaults);
+		MinecraftForge.EVENT_BUS.register(this);
+	}
+	
+	public void addClass(String className) {
+		try {
+			classes.add(Class.forName(className));
+		} catch(ClassNotFoundException e) {
+		}
+	}
+	
+	public boolean matchesClass(Block block) {
+		for (Class<?> clazz : classes) if (clazz.isAssignableFrom(block.getClass())) return true;
+		return false;
+	}
+	
+	public boolean matchesID(int blockId) {
+		return blockIDs.contains(blockId);
+	}
+	
+	public boolean matchesID(Block block) {
+		return blockIDs.contains(Block.blockRegistry.getIDForObject(block));
+	}
+	
+	public void load(File file) {
+		BufferedReader reader = null;
+		try {
+			reader = new BufferedReader(new FileReader(file));
+			String line = reader.readLine();
+			while(line != null) {
+				addClass(line.trim());
+				line = reader.readLine();
+			}
+			reader.close();
+		} catch (FileNotFoundException e) {
+			saveDefaults(file);
+			for (String clazz : defaultClasses) addClass(clazz);
+		} catch (IOException e) {
+			BetterFoliage.log.warn(String.format("Error reading configuration: %s", file.getName()));
+		}
+	}
+	
+	public void saveDefaults(File file) {
+		FileWriter writer = null;
+		try {
+			writer = new FileWriter(file);
+			for (String clazz : defaultClasses) {
+				writer.write(clazz);
+				writer.write("\n");
+			}
+			writer.close();
+		} catch (FileNotFoundException e) {
+			saveDefaults(file);
+		} catch (IOException e) {
+			BetterFoliage.log.warn(String.format("Error writing default configuration: %s", file.getName()));
+		}
+	}
+	
+	/** Caches block IDs on world load for fast lookup
+	 * @param event
+	 */
+	@SuppressWarnings("unchecked")
+	@SubscribeEvent
+	public void handleWorldLoad(WorldEvent.Load event) {
+		Iterator<Block> iter = Block.blockRegistry.iterator();
+		while (iter.hasNext()) {
+			Block block = iter.next();
+			if (matchesClass(block)) blockIDs.add(Block.blockRegistry.getIDForObject(block));
+		}
+	}
+}

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

@@ -24,7 +24,7 @@ public class RenderBlockBetterLeaves extends RenderBlockAOBase implements IRende
 	public boolean isBlockAccepted(IBlockAccess blockAccess, int x, int y, int z, Block block, int original) {
 		if (!Config.leavesEnabled) return false;
 		if (original > 0 && original < 42) return false;
-		return BetterFoliageClient.leafBlockIDs.contains(Block.blockRegistry.getIDForObject(block)) && !isBlockSurrounded(blockAccess, x, y, z);
+		return BetterFoliageClient.leaves.matchesID(block) && !isBlockSurrounded(blockAccess, x, y, z);
 	}
 	
 	public boolean renderWorldBlock(IBlockAccess world, int x, int y, int z, Block block, int modelId, RenderBlocks renderer) {

src/main/java/mods/betterfoliage/client/resource/LeafTextureGenerator.java

@@ -106,7 +106,7 @@ public class LeafTextureGenerator implements IIconRegister, IResourceManager {
 		Iterator<Block> iter = Block.blockRegistry.iterator();
 		while(iter.hasNext()) {
 			Block block = iter.next();
-			for (Class<?> clazz : BetterFoliageClient.blockLeavesClasses) if (clazz.isAssignableFrom(block.getClass())) {
+			if (BetterFoliageClient.leaves.matchesClass(block)) {
 				BetterFoliage.log.debug(String.format("Inspecting leaf block: %s", block.getClass().getName()));
 				block.registerBlockIcons(this);
 			}