Added commands for teleporting to a biome of a given id, and finding the biome associated with an id

src/main/java/biomesoplenty/common/command/BOPCommand.java

@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * Copyright 2015, the Biomes O' Plenty Team
+ * 
+ * This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License.
+ * 
+ * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/.
+ ******************************************************************************/
+
+package biomesoplenty.common.command;
+
+import java.util.List;
+
+import net.minecraft.command.CommandBase;
+import net.minecraft.command.CommandException;
+import net.minecraft.command.ICommandSender;
+import net.minecraft.command.WrongUsageException;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.ChatComponentTranslation;
+import net.minecraft.world.World;
+import net.minecraft.world.biome.BiomeGenBase;
+import biomesoplenty.common.util.biome.BiomeUtils;
+
+import com.google.common.collect.Lists;
+
+public class BOPCommand extends CommandBase
+{
+    @Override
+    public String getCommandName()
+    {
+        return "biomesoplenty";
+    }
+    
+    @Override
+    public List getCommandAliases()
+    {
+        return Lists.newArrayList("bop", "biomesop");
+    }
+
+    @Override
+    public String getCommandUsage(ICommandSender sender)
+    {
+        return "commands.biomesoplenty.usage";
+    }
+    
+    @Override
+    public int getRequiredPermissionLevel()
+    {
+        return 2;
+    }
+
+    @Override
+    public void processCommand(ICommandSender sender, String[] args) throws CommandException
+    {
+        if (args.length < 1)
+        {
+            throw new WrongUsageException("commands.biomesoplenty.usage");
+        }
+        else if ("biomename".equals(args[0]))
+        {
+            getBiomeName(sender, args);
+        }
+        else if ("tpbiome".equals(args[0]))
+        {
+            teleportFoundBiome(sender, args);
+        }
+    }
+    
+    private void getBiomeName(ICommandSender sender, String[] args) throws CommandException
+    {
+        if (args.length < 2)
+        {
+            throw new WrongUsageException("commands.biomesoplenty.biomename.usage");
+        }
+        
+        int biomeId = parseInt(args[1], 0, 255);
+        BiomeGenBase biome = BiomeGenBase.getBiome(biomeId);
+        
+        sender.addChatMessage(new ChatComponentTranslation("commands.biomesoplenty.biomename.success", biomeId, biome == null ? "Undefined" : biome.biomeName));
+    }
+    
+    private void teleportFoundBiome(ICommandSender sender, String[] args) throws CommandException
+    {
+        if (args.length < 2)
+        {
+            throw new WrongUsageException("commands.biomesoplenty.tpbiome.usage");
+        }
+        
+        int biomeId = parseInt(args[1], 0, 255);
+        BiomeGenBase biome = BiomeGenBase.getBiome(biomeId);
+        EntityPlayerMP player = getCommandSenderAsPlayer(sender);
+        World world = player.worldObj;
+        BlockPos closestBiomePos = biome == null ? null : BiomeUtils.findBiome(world, biome, player.getPosition());
+        
+        if (closestBiomePos != null)
+        {
+            double x = (double)closestBiomePos.getX();
+            double y = (double)world.getTopSolidOrLiquidBlock(closestBiomePos).getY();
+            double z = (double)closestBiomePos.getZ();
+            
+            player.playerNetServerHandler.setPlayerLocation(x, y, z, player.rotationYaw, player.rotationPitch);
+            sender.addChatMessage(new ChatComponentTranslation("commands.biomesoplenty.tpbiome.success", player.getCommandSenderName(), biome.biomeName, x, y, z));
+        }
+        else
+        {
+            sender.addChatMessage(new ChatComponentTranslation("commands.biomesoplenty.tpbiome.error", biome == null ? "Undefined" : biome.biomeName));
+        }
+    }
+    
+    @Override
+    public List addTabCompletionOptions(ICommandSender sender, String[] args, BlockPos pos)
+    {
+        if (args.length == 1)
+        {
+            return getListOfStringsMatchingLastWord(args, "biomename", "tpbiome");
+        }
+        
+        return null;
+    }
+}

src/main/java/biomesoplenty/common/util/biome/BiomeUtils.java

@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright 2015, the Biomes O' Plenty Team
+ * 
+ * This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License.
+ * 
+ * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/.
+ ******************************************************************************/
+
+package biomesoplenty.common.util.biome;
+
+import java.util.Arrays;
+
+import net.minecraft.util.BlockPos;
+import net.minecraft.world.World;
+import net.minecraft.world.biome.BiomeGenBase;
+import net.minecraft.world.biome.WorldChunkManager;
+
+public class BiomeUtils
+{
+    public static BlockPos findBiome(World world, BiomeGenBase biome, BlockPos startPos)
+    {
+        int radius = 256;
+        WorldChunkManager chunkManager = world.getWorldChunkManager();
+        BlockPos pos1 = null;
+        BlockPos pos2 = null;
+        
+        for (int x = -10; x <= 10; x++)
+        {
+            for (int z = -10; z <= 10; z++)
+            {
+                if (pos1 == null)
+                {
+                    BlockPos foundPos = chunkManager.findBiomePosition(startPos.getX() + (x * 512), startPos.getZ() + (z * 512), 256, Arrays.asList(biome), world.rand);
+
+                    if (foundPos != null && world.getBiomeGenForCoords(foundPos) == biome)
+                    {
+                        pos1 = foundPos;
+                    }
+                }
+                
+                if (pos2 == null)
+                {
+                    BlockPos foundPos = chunkManager.findBiomePosition(startPos.getX() + (x * 512), startPos.getZ() + (-z * 512), 256, Arrays.asList(biome), world.rand);
+
+                    if (foundPos != null && world.getBiomeGenForCoords(foundPos) == biome)
+                    {
+                        pos2 = foundPos;
+                    }
+                }
+                
+                if (pos1 != null && pos2 != null)
+                {
+                    break;
+                }
+            }
+        }
+        
+        if (pos1 != null && pos2 != null)
+        {
+            if (startPos.distanceSq(pos1) < startPos.distanceSq(pos2)) return pos1;
+            else return pos2;
+        }
+        else
+        {
+            if (pos1 != null) return pos1;
+            else return pos2;
+        }
+    }
+}

src/main/java/biomesoplenty/core/BiomesOPlenty.java

@@ -10,9 +10,6 @@ package biomesoplenty.core;
 
 import java.io.File;
 
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.Mod.EventHandler;
 import net.minecraftforge.fml.common.Mod.Instance;
@@ -20,6 +17,12 @@ import net.minecraftforge.fml.common.SidedProxy;
 import net.minecraftforge.fml.common.event.FMLInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
+import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import biomesoplenty.common.command.BOPCommand;
 import biomesoplenty.common.init.ModBiomes;
 import biomesoplenty.common.init.ModBlocks;
 import biomesoplenty.common.init.ModConfiguration;
@@ -70,6 +73,12 @@ public class BiomesOPlenty
 
     }
     
+    @EventHandler
+    public void serverStarting(FMLServerStartingEvent event)
+    {
+        event.registerServerCommand(new BOPCommand());
+    }
+
     public File getConfigDirectory()
     {
         return configDirectory;

src/main/resources/assets/biomesoplenty/lang/en_US.lang

@@ -1,3 +1,10 @@
+commands.biomesoplenty.usage=/biomesoplenty <tpbiome> [args]
+commands.biomesoplenty.biomename.usage=/biomesoplenty biomename [biomeId]
+commands.biomesoplenty.biomename.success=Biome ID %s is associated with %s
+commands.biomesoplenty.tpbiome.usage=/biomesoplenty tpbiome [biomeId]
+commands.biomesoplenty.tpbiome.success=Teleported %s to biome %s at (%s, %s, %s)
+commands.biomesoplenty.tpbiome.error=Couldn't find biome %s!
+
 generator.BIOMESOP=Biomes O' Plenty
 generator.BIOMESOP.info=Notice: Biomes O' Plenty 1.8 is in a very early state