Hi. I'm new to modding (about 24 hours) but I have plenty of JAVA experience. I am trying to make several small mods just playing around with the API to get comfortable before I try anything big and one block I'm trying to add is a custom pressure plate.

I copied my pressure plate instantiation from block.Block.java and added a pressure plate class extends BlockPressurePlate to be able to call the constructor.

 

package obsidian;

import obsidian.CommonProxy;
import net.minecraft.block.Block;
import net.minecraft.block.BlockPressurePlate;
import net.minecraft.block.EnumMobType;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.EnumArmorMaterial;
import net.minecraft.item.EnumToolMaterial;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.FurnaceRecipes;
import net.minecraft.block.material.Material;
import net.minecraftforge.common.EnumHelper;
import net.minecraftforge.common.ForgeHooks;
import net.minecraftforge.common.MinecraftForge;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.Init;
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.Mod.PostInit;
import cpw.mods.fml.common.Mod.PreInit;
import cpw.mods.fml.common.SidedProxy;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.network.NetworkMod;
import cpw.mods.fml.common.network.NetworkRegistry;
import cpw.mods.fml.common.registry.GameRegistry;
import cpw.mods.fml.common.registry.LanguageRegistry;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@Mod(modid = "Obsidian", name = "Obsidian", version = "0.0.0")
@NetworkMod(clientSideRequired = true, serverSideRequired = false)
public class Obsidian {
static EnumToolMaterial OBSIDIANTOOLS = EnumHelper.addToolMaterial("OBSIDIAN", 3, 3000, 6.0F, 2, 5);
public static Item shovelObsidian = new ObsidianShovel(1004, OBSIDIANTOOLS).setUnlocalizedName("shovelObsidian");
public static Item pickaxeObsidian = new ObsidianPickaxe(1005, OBSIDIANTOOLS).setUnlocalizedName("pickaxeObsidian");
public static Item axeObsidian = new ObsidianAxe(1006, OBSIDIANTOOLS).setUnlocalizedName("axeObsidian");
public static Item swordObsidian = new ObsidianSword(1007, OBSIDIANTOOLS).setUnlocalizedName("swordObsidian");
public static Item hoeObsidian = new ObsidianHoe(1008, OBSIDIANTOOLS).setUnlocalizedName("hoeObsidian");
static EnumArmorMaterial OBSIDIANARMOR = EnumHelper.addArmorMaterial("OBSIDIAN", 70, new int[] { 2, 7, 5, 2 }, 5);
public final static Item helmetObsidian = new ObsidianArmor(1000, OBSIDIANARMOR, 2, 0).setUnlocalizedName("helmetObsidian");
public final static Item chestplateObsidian = new ObsidianArmor(1001, OBSIDIANARMOR, 2, 1).setUnlocalizedName("chestplateObsidian");
public final static Item leggingsObsidian = new ObsidianArmor(1002, OBSIDIANARMOR, 2, 2).setUnlocalizedName("leggingsObsidian");
public final static Item bootsObsidian = new ObsidianArmor(1003, OBSIDIANARMOR, 2, 3).setUnlocalizedName("bootsObsidian");


//My custom pressure plate----------------------------------------------------------------------------------
public final static Block pressurePlateObsidian = new BlockObsidianPressurePlate(2000, "stone", Material.rock, EnumMobType.mobs);//.setUnlocalizedName("pressurePlateObsidian").setHardness(50.0F);
//public static final Block pressurePlateStone = (new BlockPressurePlate(70, "stone", Material.rock, EnumMobType.mobs)).setHardness(0.5F).setStepSound(soundStoneFootstep).setUnlocalizedName("pressurePlate");
@Instance("Obsidian")
    public static Obsidian instance;
    
    @SidedProxy(clientSide = "obsidian.client.ClientProxy", serverSide = "obsidian.CommonProxy")
    public static CommonProxy proxy;

    @PreInit
    public void preInit (FMLPreInitializationEvent event) {
        // Stub Method
    }
    
    @Init
    public void init(FMLInitializationEvent event) {
            //NetworkRegistry.instance().registerGuiHandler(this, new GuiHandler());
    }

    @Init
    public void load (FMLInitializationEvent event) {
    	
    	LanguageRegistry.addName(helmetObsidian, "Obsidian Helm");
    	LanguageRegistry.addName(chestplateObsidian, "Obsidian Chestplate");
    	LanguageRegistry.addName(leggingsObsidian, "Obsidian Pants");
    	LanguageRegistry.addName(bootsObsidian, "Obsidian Boots");
    	LanguageRegistry.addName(pickaxeObsidian, "Obsidian Pickaxe");
    	LanguageRegistry.addName(axeObsidian, "Obsidian Axe");
    	LanguageRegistry.addName(shovelObsidian, "Obsidian Shovel");
    	LanguageRegistry.addName(hoeObsidian, "Obsidian Hoe");
    	LanguageRegistry.addName(swordObsidian, "Obsidian Sword");
    	LanguageRegistry.addName(pressurePlateObsidian, "Obsidian Pressure Plate");
    	proxy.registerRenderers();
    	MinecraftForge.setToolClass(pickaxeObsidian, "pickaxe", 3);
    	MinecraftForge.setToolClass(shovelObsidian, "shovel", 3);
    	MinecraftForge.setToolClass(axeObsidian, "axe", 3);
    	ItemStack obsidianStack = new ItemStack(Block.obsidian);
    	ItemStack stickStack = new ItemStack(Item.stick);
    	GameRegistry.addRecipe(new ItemStack(helmetObsidian),    "xxx", "x x",        'x', obsidianStack);
    	GameRegistry.addRecipe(new ItemStack(chestplateObsidian),"x x", "xxx", "xxx", 'x', obsidianStack);
    	GameRegistry.addRecipe(new ItemStack(leggingsObsidian),  "xxx", "x x", "x x", 'x', obsidianStack);
    	GameRegistry.addRecipe(new ItemStack(bootsObsidian),     "x x", "x x",        'x', obsidianStack);
    	GameRegistry.addRecipe(new ItemStack(pickaxeObsidian),"xxx", " y ", " y ", 'x', obsidianStack, 'y', stickStack);
    	GameRegistry.addRecipe(new ItemStack(axeObsidian),    "xx ", "xy ", " y ", 'x', obsidianStack, 'y', stickStack);
    	GameRegistry.addRecipe(new ItemStack(axeObsidian),    " xx", " yx", " y ", 'x', obsidianStack, 'y', stickStack);
    	GameRegistry.addRecipe(new ItemStack(shovelObsidian),   "x",   "y",   "y", 'x', obsidianStack, 'y', stickStack);
    	GameRegistry.addRecipe(new ItemStack(hoeObsidian),    "xx ", " y ", " y ", 'x', obsidianStack, 'y', stickStack);
    	GameRegistry.addRecipe(new ItemStack(hoeObsidian),    " xx", " y ", " y ", 'x', obsidianStack, 'y', stickStack);
    	GameRegistry.addRecipe(new ItemStack(swordObsidian),    "x",   "x",   "y", 'x', obsidianStack, 'y', stickStack);
    	GameRegistry.addRecipe(new ItemStack(pressurePlateObsidian), "xx", 'x', new ItemStack(Block.cobblestone));
    }

    @PostInit
    public void postInit (FMLPostInitializationEvent event) {
        // Stub Method
    }
}

 

 

package obsidian;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.block.BlockPressurePlate;
import net.minecraft.block.EnumMobType;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;

public class BlockObsidianPressurePlate extends BlockPressurePlate {
public BlockObsidianPressurePlate(int par1, String par2Str, Material par3Material, EnumMobType par4EnumMobType) {
	super(par1, par2Str, par3Material, par4EnumMobType);
}
//I have run the program with nothing below this comment and without @SideOnly or @Override
@SideOnly(Side.CLIENT)
    @Override
public void registerIcons(IconRegister par1IconRegister)
    {
        this.blockIcon = Block.obsidian.getBlockTextureFromSide(0);
    }
}

 

Forge seems to find the texture alright, but then it gives the error:

 

2013-05-03 10:55:29 [iNFO] [sTDERR] java.lang.NoSuchFieldException: GL_ARB_copy_image

2013-05-03 10:55:29 [iNFO] [sTDERR] at java.lang.Class.getField(Unknown Source)

2013-05-03 10:55:29 [iNFO] [sTDERR] at cpw.mods.fml.client.TextureFXManager.getHelper(TextureFXManager.java:122)

2013-05-03 10:55:29 [iNFO] [sTDERR] at net.minecraft.client.renderer.texture.TextureStitched.init(TextureStitched.java:74)

2013-05-03 10:55:29 [iNFO] [sTDERR] at net.minecraft.client.renderer.texture.TextureMap.refreshTextures(TextureMap.java:154)

2013-05-03 10:55:29 [iNFO] [sTDERR] at net.minecraft.client.renderer.RenderEngine.refreshTextureMaps(RenderEngine.java:520)

2013-05-03 10:55:29 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.startGame(Minecraft.java:440)

2013-05-03 10:55:29 [iNFO] [sTDERR] at net.minecraft.client.MinecraftAppletImpl.startGame(MinecraftAppletImpl.java:44)

2013-05-03 10:55:29 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.run(Minecraft.java:729)

2013-05-03 10:55:29 [iNFO] [sTDERR] at java.lang.Thread.run(Unknown Source)

 

While starting up minecraft. Then the game runs fine until the moment I place the second block of the recipe and the server starts shutting down before the game crashes and I have to stop the process through task manager.

 

My only thought is that it has to be something to do with my BlockObsidianPressurePlate class because that is the only difference between my code and the vanilla code. Any thoughts anyone?

 

___

 

It helps to register blocks. I had been playing with too many new items and forgot to register my block after making it. Thanks to diesieben07 for pointing out that there was no error message about my block.

bump

Interesting. Thank you. So why would the game try to start shutting down the server the moment I place the last block of the recipe?

If you solved it, you should probably also post the solution. Was it that you forgot to register the block?