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[1.12.2] Rendering an OBJ model for an armor piece confusion

Posted August 29, 20196 yr

Greetings!

I've just recently started tinkering with forge as a means to keep my Java knowledge intact.
Everything was going well until I've decided to create put custom models for armor pieces in the game.

The item (helmet) seems to be completely transparent when putting on.
I haven't made any textures for it as of yet, but as far as I understand, the model should render with pink (missing) textures and only render the mesh if it can't find any textures associated with it. I could be wrong on that front.
I was thinking that this might be related to the JSON files, but so far, their implementation seems alien to me, so I can't say for sure.

Sending over everything that could be related to this issue.
Any suggestions for what I should change would be greatly appreciated even if it's not related to the rendering.

package com.babijonas.demoncraft.Items.armor;

import com.babijonas.demoncraft.Items.models.ModelKnightArmor;
import net.minecraft.client.model.ModelBiped;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.inventory.EntityEquipmentSlot;
import net.minecraft.item.ItemArmor;
import net.minecraft.item.ItemStack;

import javax.annotation.Nullable;

public class KnightHelmet extends ArmorBase{
    public KnightHelmet(String name, ArmorMaterial materialIn, int renderIndexIn, EntityEquipmentSlot equipmentSlotIn) {
        super(name, materialIn, renderIndexIn, equipmentSlotIn);

    }
		//Used to get the model for the helmet, Ive created a separate class just for this item, because I've figures I could add effects to it later on.
    @Override
    public ModelBiped getArmorModel(EntityLivingBase entityLiving, ItemStack itemStack, EntityEquipmentSlot armorSlot, ModelBiped _default){
        if(itemStack!=ItemStack.EMPTY){
            if(itemStack.getItem() instanceof ItemArmor){
                ModelKnightArmor model = new ModelKnightArmor();
                model.bipedHead.showModel = armorSlot == EntityEquipmentSlot.HEAD;
                System.out.print("Called Get Armor Model" + entityLiving.toString() + " " + itemStack.toString() + " " + armorSlot + " " + _default + "\n");
                model.isChild = _default.isChild;
                model.isRiding = _default.isRiding;
                model.isSneak = _default.isSneak;
                model.rightArmPose = _default.rightArmPose;
                model.leftArmPose = _default.leftArmPose;
                return model;
            }
        }
        return null;
    }
}

package com.babijonas.demoncraft.Items.models;

import net.minecraft.client.model.ModelBiped;
import net.minecraft.client.model.ModelRenderer;
import net.minecraft.entity.Entity;

public class ModelKnightArmor extends ModelBiped {
//made this class to get the full models for this armor set
    public ModelRenderer knightHelmet;
    //public ModelRender knightChestplate
  	//public ModelRender knightLeggings
   	//public ModelRender knightBoots

    public ModelKnightArmor(){
        this.textureWidth = 128;
        this.textureHeight = 128;

        this.knightHelmet = new ModelRenderer(this, 0, 0);


        this.bipedHead.addChild(knightHelmet);

    }
    @Override
    public void render(Entity entity, float f, float f1, float f2, float f3, float f4, float f5){
        super.render(entity,f,f1,f2,f3,f4,f5);
    }

    public void SetRotateAngle(ModelRenderer modelRenderer, float x, float y, float z){
        modelRenderer.rotateAngleX = x;
        modelRenderer.rotateAngleY = y;
        modelRenderer.rotateAngleZ = z;
    }

}

package com.babijonas.demoncraft.Items.armor;

import com.babijonas.demoncraft.Items.models.ModelKnightArmor;
import com.babijonas.demoncraft.Main;
import com.babijonas.demoncraft.init.ModItems;
import com.babijonas.demoncraft.util.IHasModel;
import net.minecraft.client.model.ModelBiped;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.inventory.EntityEquipmentSlot;
import net.minecraft.item.ItemArmor;
import net.minecraft.item.ItemStack;

import javax.annotation.Nullable;


public class ArmorBase extends ItemArmor implements IHasModel {

//A base class for Armors, used to render the texture when put on and the item in hand

    public ArmorBase(String name, ArmorMaterial materialIn, int renderIndexIn, EntityEquipmentSlot equipmentSlotIn) {
        super(materialIn, renderIndexIn, equipmentSlotIn);
        setUnlocalizedName(name);
        setRegistryName(name);
        setCreativeTab(CreativeTabs.COMBAT);

        ModItems.ITEMS.add(this);
    }

    @Override
    public void registerModels() {
        Main.proxy.registerItemRenderer(this, 0, "inventory");
    }




}

knight_helmet.mtl knight_helmet.obj knight_helmet.json

Quote

August 30, 20196 yr

I hope you haven't forgot to call OBJLoader.INSTANCE.addDomain in your clientProxy?

UPD:

And your model is HUGE btw!

Edited August 30, 20196 yr by ZigTheHedge

Quote

September 3, 20196 yr

Author

Hi,
Thanks for replying!

Could you provide an example of how exactly the client proxy should be set up for OBJ loading?

I know the model is huge, just want to make something render, will fix it later

Quote

September 3, 20196 yr

@Mod.EventBusSubscriber(Side.CLIENT)
public class ClientProxy extends CommonProxy {
  ...
    @Override
    public void preInit(FMLPreInitializationEvent e) {
        OBJLoader.INSTANCE.addDomain(MODID);
        super.preInit(e);
    }
  ...
}

Something like this.

And don't forget to create blockstate json for your item (it should point to .obj file in "defaults" section):

{
  "forge_marker": 1,
  "defaults":
  {
    "model": "modid:knight_helmet.obj"
  },
  "variants":
  {
    "inventory":[{
      "transform": "forge:default-item"
    }]
  }
}

Something like that.

Quote

September 3, 20196 yr

Author

Hi,

One more quick question, does this have to be on ClientProxy?
I have my PreInit set up on a different class called "Main" as per this video: https://youtu.be/f0zXArplb9Y?t=976

Does this change anything? Is it a bad practice?

Quote

September 4, 20196 yr

It doesn't matter what class method is responsible for reacting on FMLPreInitializationEvent with this call, but it has to be on CLIENT side only.

Quote

4 years later...

April 24, 20241 yr

Hello,

Hi and I am making a forge 1.12.2 mod and also trying to get a custom model helmet item (I made a joker mask) and exported it to .json format and put it in the ~/namespace/models/item folder. Though, I'm struggling to get the item to render what I want it to be rendered like as I've positioned it in the 'head' window view in blockbench.

How did you render out your model? I checked your code and it looks like no references to the actual model are being made. I'm new to this forge modding stuff (was a fabric modder) and I desperately need some help. Is there a way to standardly render out armor models made using blockbench? any methods that one can use?

My model in JSON:
```json
{ "credit": "Made with Blockbench", "texture_size": [160, 160], "textures": { "0": "ydyrn:items/joker_mask_texture", "particle": "ydyrn:items/joker_mask_texture" }, "elements": [ { "from": [0, 0, 0], "to": [16, 16, 1], "faces": { "north": {"uv": [0, 1.7, 16, 14.2], "texture": "#0"}, "east": {"uv": [0, 4, 0.9, 5.6], "texture": "#0"}, "south": {"uv": [0, 5.8, 1.6, 7.4], "texture": "#0"}, "west": {"uv": [0, 1.9, 1.3, 3.5], "texture": "#0"}, "up": {"uv": [0, 3.4, 1.6, 4.2], "texture": "#0"}, "down": {"uv": [0, 9, 1.6, 9.7], "texture": "#0"} } }, { "from": [15.8, 11, 0.5], "to": [16.2, 13, 15], "faces": { "north": {"uv": [7.9, 7.9, 7.94, 8.1], "texture": "#0"}, "east": {"uv": [7.9, 7.9, 9.35, 8.1], "texture": "#0"}, "south": {"uv": [7.9, 7.9, 7.94, 8.1], "texture": "#0"}, "west": {"uv": [7.9, 7.9, 9.35, 8.1], "texture": "#0"}, "up": {"uv": [7.9, 7.9, 7.94, 9.35], "texture": "#0"}, "down": {"uv": [7.9, 7.9, 7.94, 9.35], "texture": "#0"} } }, { "from": [0.2, 11, 14.6], "to": [15.8, 13, 15], "faces": { "north": {"uv": [7.9, 7.9, 9.46, 8.1], "texture": "#0"}, "east": {"uv": [7.9, 7.9, 7.94, 8.1], "texture": "#0"}, "south": {"uv": [7.9, 7.9, 9.46, 8.1], "texture": "#0"}, "west": {"uv": [7.9, 7.9, 7.94, 8.1], "texture": "#0"}, "up": {"uv": [7.9, 7.9, 9.46, 7.94], "texture": "#0"}, "down": {"uv": [7.9, 7.9, 9.46, 7.94], "texture": "#0"} } }, { "from": [-0.2, 11, 0.5], "to": [0.2, 13, 15], "faces": { "north": {"uv": [7.9, 7.9, 7.94, 8.1], "texture": "#0"}, "east": {"uv": [7.9, 7.9, 9.35, 8.1], "texture": "#0"}, "south": {"uv": [7.9, 7.9, 7.94, 8.1], "texture": "#0"}, "west": {"uv": [7.9, 7.9, 9.35, 8.1], "texture": "#0"}, "up": {"uv": [7.9, 7.9, 7.94, 9.35], "texture": "#0"}, "down": {"uv": [7.9, 7.9, 7.94, 9.35], "texture": "#0"} } } ], "display": { "thirdperson_righthand": { "translation": [-0.25, -2.75, 0], "scale": [0.3, 0.3, 0.3] }, "thirdperson_lefthand": { "translation": [-0.25, -2.75, 0], "scale": [0.3, 0.3, 0.3] }, "firstperson_righthand": { "rotation": [-9, 115, 15], "translation": [0, 1.25, -1.75], "scale": [0.5, 0.5, 0.5] }, "firstperson_lefthand": { "rotation": [-9, 115, 15], "translation": [0, 1.25, -1.75], "scale": [0.5, 0.5, 0.5] }, "ground": { "rotation": [40, 0, 0], "translation": [0, -2.5, 0], "scale": [0.5, 0.5, 0.5] }, "gui": { "rotation": [0, 180, 0] }, "head": { "translation": [0, 0, 0.25], "scale": [0.82773, 0.73594, 0.9] }, "fixed": { "translation": [0, 0, 8.75] } }, "groups": [ 0, { "name": "straps", "origin": [0, 0, 0], "color": 0, "children": [1, 2, 3] } ] }
```

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[1.12.2] Rendering an OBJ model for an armor piece confusion

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