Rulerxx

Quick question, How do i change the sprintspeed when wearing a certain armour, and/ore pieces of armour

So im trying to use the forge configuration, and to me everything looks right, and the client starts up fine, but when i enter a saved game or even a new game the client just goes to the building terrain page but with no writing, and uses 4gb+ ram, and i have to end the process. It doesent give an error code or anything. this is my industriouspower.java file:

So i made a basic mod today and basically, the mod works fine when launched in mcp, but it gives me an error. Error code: java.lang.ClassNotFoundException: rulerxx.mods.industriouspower.Industriouspower at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:100) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at cpw.mods.fml.common.ModClassLoader.loadClass(ModClassLoader.java:57) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:341) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69) at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317) at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300) at com.google.common.eventbus.EventBus.post(EventBus.java:268) at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69) at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317) at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300) at com.google.common.eventbus.EventBus.post(EventBus.java:268) at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:81) at cpw.mods.fml.common.Loader.loadMods(Loader.java:442) at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:141) at net.minecraft.client.Minecraft.a(Minecraft.java:405) at net.minecraft.client.Minecraft.run(Minecraft.java:737) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException at org.objectweb.asm.ClassReader.<init>(Unknown Source) at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:27) at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:142) at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:93) the mods files: Industriouspower.java package rulerxx.mods.industriouspower; import net.minecraft.src.Block; import net.minecraftforge.client.MinecraftForgeClient; import cpw.mods.fml.common.Mod; import cpw.mods.fml.common.Mod.Init; import cpw.mods.fml.common.Mod.PreInit; 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.registry.GameRegistry; import cpw.mods.fml.common.registry.LanguageRegistry; @Mod(modid ="something", name = "Mod name lol", version = "1.3.2") public class Industriouspower { //Blocks public static Block oreTin = new oreTin(204, 0).setHardness(2.5F).setStepSound(Block.soundWoodFootstep).setBlockName("oreTin"); public static Block testBlock = new testBlock(205, 1).setHardness(2.5F).setStepSound(Block.soundWoodFootstep).setBlockName(""); //WorldGen File public static worldGen worldGen = new worldGen(); //Initialization @Init public void loadMod(FMLInitializationEvent event) { //Pre-Loading textures MinecraftForgeClient.preloadTexture("/IP/textures/terrain.png"); //Blocks GameRegistry.registerBlock(oreTin); LanguageRegistry.addName(oreTin, "Tin Ore"); GameRegistry.registerBlock(testBlock); LanguageRegistry.addName(testBlock, "RenderTest"); //WorldGen GameRegistry.registerWorldGenerator(worldGen); } } oreTin.java package rulerxx.mods.industriouspower; import net.minecraft.src.Block; import net.minecraft.src.CreativeTabs; import net.minecraft.src.Material; public class oreTin extends Block { public oreTin(int i, int j) { super(i, j, Material.rock); this.setCreativeTab(CreativeTabs.tabTools); } public String getTextureFile() { return "/IP/textures/terrain.png"; } } testBlock.java package rulerxx.mods.industriouspower; import net.minecraft.src.Block; import net.minecraft.src.CreativeTabs; import net.minecraft.src.Material; public class testBlock extends Block { public testBlock(int i, int j) { super(i, j, Material.rock); this.setCreativeTab(CreativeTabs.tabTools); } public String getTextureFile() { return "/IP/textures/terrain.png"; } } worldGen.java package rulerxx.mods.industriouspower; import java.util.Random; import net.minecraft.src.IChunkProvider; import net.minecraft.src.World; import cpw.mods.fml.common.IWorldGenerator; public class worldGen implements IWorldGenerator { @Override public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator, IChunkProvider chunkProvider) { world.setBlock(chunkX*16 + random.nextInt(16), 100, chunkZ*16 + random.nextInt(16), 204); // block X location, block Y location, block Z location, block id (in this case, wooden planks) } } This code all works fine while running through eclipse, it just seems to give me errors while im running it through a multimc instance ive got the mod.zip setup as mod.zip - rulerxx - mods - industriouspower - .class files - IP - textures - terrain.png Could someone please tell me what im doing wrong here? EDIT - Turns out recompiling and reobfuscating fixed the problem