[1.8] My First Modding Experience

statphantom · September 25, 2015

Never ever ever create new Items outside of preInit! Creating a new Item means you are creating a new type of Item. You must re-use the static Item instance you create in preInit.

THANK YOU! Light bulb moment, I am such an idiot I completely forget it is a static variable in the mod class. I knew there was something wrong with my calling my item constructor but had no idea how to get around it, it is working now thanks!!!!

statphantom · September 25, 2015

I am trying to register a texture but keep getting a nullpointer exception.

Maybe it's because I'm using the forge eclipse environment it is not registering it in the right place? help anyone?

I am using this....

    public static void regTexture(Item item) {
        Minecraft.getMinecraft().getRenderItem().getItemModelMesher().register(item, 0, new ModelResourceLocation(MODID + ":" + item.getUnlocalizedName().substring(5), "inventory"));
    }

Ernio · September 25, 2015

If you haven't found it yet:

https://github.com/TheGreyGhost/MinecraftByExample/tree/master/src/main/java/minecraftbyexample

I don't know why I didn't post it earlier...

Should resolve all your basic problems.

More info:

http://greyminecraftcoder.blogspot.co.at/p/list-of-topics.html

statphantom · September 25, 2015

If you haven't found it yet:

https://github.com/TheGreyGhost/MinecraftByExample/tree/master/src/main/java/minecraftbyexample

I don't know why I didn't post it earlier...

Should resolve all your basic problems.

More info:

http://greyminecraftcoder.blogspot.co.at/p/list-of-topics.html

I have checked greyminecraftcoder and been looking at those examples but still cant figure out where to put my textures.

I register my item here....

    @EventHandler
    public void preInit (FMLPreInitializationEvent event) {
    	
    	System.out.println("Loading " + MODNAME + "!");
    	System.out.println("Version " + VERSION + "!");
    	
    	sharpstick = new SharpStick();
    	
    	MinecraftForge.EVENT_BUS.register(new LevelEventHandler());
    	
    	if (event.getSide() == Side.CLIENT) {
    		regTexture(sharpstick);                                <------ calling here
    	}
    	
    	GameRegistry.addRecipe(new ItemStack(sharpstick),
    	"A ",
    	" A",
    	'A', Items.stick);
    }

I have tried various places to put the texture files but I have put it in src/main/resources/assets/ModName/textures/items

and my .json files in src/main/resources/assets/ModName/models/item

Draco18s · September 26, 2015

What do I use to get the itemStack of a custom item? Items class only contains vanilla items, do I need to do a search for name?

Of you didn't figure it out:

New ItemStack (MainModClass.yourItem)

Atijaf · September 26, 2015

Main Mod Class

package tutorial.generic;

import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
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.registry.GameRegistry;

@Mod(modid = Level.MODID, name = Level.MODNAME, version = Level.VERSION)
public class Level {
    public static final String MODID = "StatsLevelMod";
    public static final String MODNAME = "Level";
    public static final String VERSION = "1.0.1";
}

Oooops! Make your mod ID all lower case. That's probably part, if not all of your problem with the texture

statphantom · September 26, 2015

Main Mod Class

package tutorial.generic;

import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
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.registry.GameRegistry;

@Mod(modid = Level.MODID, name = Level.MODNAME, version = Level.VERSION)
public class Level {
    public static final String MODID = "StatsLevelMod";
    public static final String MODNAME = "Level";
    public static final String VERSION = "1.0.1";
}

Oooops! Make your mod ID all lower case. That's probably part, if not all of your problem with the texture

thanks, fixed this but still not working, I think it might be a problem with my path but I can't find any forge eclipse environment path example to help iron out the problem

my current path is.

src/main/resources/assets/statslevelmod/textures/items/sharpStick.png

NOT eclipse/src but have tried it in their also.

PS: I really am grateful of everyone's help and I hope I'm not becoming annoying

Atijaf · September 26, 2015

Post your json file for the texture.

statphantom · September 26, 2015

Post your json file for the texture.

path is:

src/main/resources/assets/statslevelmod/models/item/sharpStrick.json

{
    "parent":"builtin/generated",
    "textures": {
        "layer0":"statslevelmod:items/sharpStick"
    },
    "display": {
        "thirdperson": {
            "rotation": [ -90, 0, 0 ],
            "translation": [ 0, 1, -3 ],
            "scale": [ 0.55, 0.55, 0.55 ]
        },
        "firstperson": {
            "rotation": [ 0, -135, 25 ],
            "translation": [ 0, 4, 2 ],
            "scale": [ 1.7, 1.7, 1.7 ]
        }
    }
}

Atijaf · September 26, 2015

I'm unsure if this is it l, because json stuff... But try renaming the json file from sharpStick to SharpStick.

I haven't messed with textures lately, but I vaguely remember doing something similar to that and it fixed it.

I'm also on my phone, so if that doesn't work, I'll check back in a little bit when I get back home.

statphantom · September 26, 2015

I'm unsure if this is it l, because json stuff... But try renaming the json file from sharpStick to SharpStick.

I haven't messed with textures lately, but I vaguely remember doing something similar to that and it fixed it.

I'm also on my phone, so if that doesn't work, I'll check back in a little bit when I get back home.

Nop no change, still getting nullpointer exception

statphantom · September 26, 2015

I have copied my texture path all over the place but nothing seems to be working,

this is a screenshot of my Package Explorer

http://i.imgur.com/Vnhc4zX.png

statphantom · September 27, 2015

Fixed my texture problem! it was both a wrong path but the crash was due to me calling it during preInit, not Init.

new idea: I want sharp sticks to only be gathered when under leaves, I am thinking of doing a loop check, checking the block two above the block clicked, then +1 Z axis untill either it hits a leaf block then it passes true, up to..... I am tihnking 20 blocks high at which point it will return false. Is this a good way to do this or is there a better way?

statphantom · September 27, 2015

gathering of sticks only under leaves is working perfectly, scans upward of 20 blocks, but cancels as soon as it hits a non-leaf block (excluding air ofc)

statphantom · September 27, 2015

using Block.spawnAsEntity(event.world, event.pos, new ItemStack(Items.stick)); does spawn items fine, but if used on a non destroyed block the object kinda 'flys' out of it, how can I stop this from happening?

statphantom · September 27, 2015

fixed the items spawning and flying away by using spawnEntityInWorld(). Now I think I will work on making a wooden hatchet and using that hatchet to get more bark

statphantom · September 27, 2015

Sorry, not fixed, Items still fly out at a weird direction, can anyone help me with spawning the items maybe a little push towards the player?

ItsAMysteriousYT · September 27, 2015

Show your entityItem class.

statphantom · September 27, 2015

Show your entityItem class.

is this what you mean?

package statslevelmod;

import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.Item;
import net.minecraftforge.fml.common.registry.GameRegistry;

public class SharpStick extends Item {

private final String name = "sharpStick";

public SharpStick() {
	super();

	GameRegistry.registerItem(this, name);
	setCreativeTab(CreativeTabs.tabMisc);
	setUnlocalizedName(name);
	setMaxStackSize(64);
}
}

ItsAMysteriousYT · September 27, 2015

Now, my mistake - show where you make the spawnEntityInWorld for the item

statphantom · September 27, 2015

Now, my mistake - show where you make the spawnEntityInWorld for the item

@SubscribeEvent
public void onPlayerClickEvent(PlayerInteractEvent event) {
	if (event.action == Action.LEFT_CLICK_BLOCK) {

		Block block = event.world.getBlockState(event.pos).getBlock();

		if (event.entityPlayer.getCurrentEquippedItem() == null) {

			if (block == Blocks.grass && event.face == event.face.UP) {

				if (!event.world.isRemote) {

					if (checkIfUnderLeaves(event)) {

						float chance = Level.rnumber.nextFloat();

						if (chance < 0.10f) {
							event.world.setBlockState(event.pos, Blocks.dirt.getDefaultState());
						}

						if (chance < 0.15f) {
							event.world.spawnEntityInWorld(new EntityItem(event.world, event.pos.getX(), event.pos.getY(), event.pos.getZ(), new ItemStack(Items.stick)));
						} else if (chance > 0.985) {
							event.world.spawnEntityInWorld(new EntityItem(event.world, event.pos.getX(), event.pos.getY(), event.pos.getZ(), new ItemStack(Level.sharpstick)));

						}
					}
				}
			}

I think its due to im spawning the item at the block location when the block is not destroyed, but unsure what to do about it since i do the same thing about logs where you can be any side so spawning on top wont work

ItsAMysteriousYT · September 27, 2015

That is easy, make a local field of type entity item as you did in spawnInWorld and set the rotationYaw to - event.player.rotationYaw.

statphantom · September 27, 2015

That is easy, make a local field of type entity item as you did in spawnInWorld and set the rotationYaw to - event.player.rotationYaw.

Thanks! still learning here, what value do you recommend I offset it to if you can specify

ItsAMysteriousYT · September 27, 2015

Depends on your goals. Since the Item need to be free and not inside the bounds of the block i recommend making pos.getX()-0.61 & pos.getZ()-0.61. This will spawn the item slightly outside the blockbounds.

statphantom · September 27, 2015

I have my rake working, however since it doesn't destroy any blocks it never calls item use when using it as a rake, I can manually damage the item stack easily using helditem.attemptDamageItem(1, Level.rnumber); but I cant find out how to manually destroy the item when this method breaks the item. Anyone help?

Thanks

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