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[1.10.2] How to Replace/Add to Vanilla Item Models/Textures and Potion Questions


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What I am trying to do is change the texture of the potion, but only for my potions. How would I do this? I tried using setCustomMeshDefinition, but getModelLocation never seemed to be called. Also with potions, is there any way to increase/decrease mob spawns while having a custom potion effect active?

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Quite hacky, but this should work:


All in preInit:

  • Register an implementation of





    with a


    with your ModID.

    • In this

      , check if the supplied stack is your potion and return 1 if so, 0 otherwise.



    and register it with


    (you'll have to cast to



    • In this listener, call
      Minecraft.getMinecraft.getRenderItem().getItemModelMesher().getItemModel(new ItemStack(Items.POTIONITEM));

      to obtain the baked model for the potion.

    • Obtain the

      for the model using


      and get the field


      from it (you'll need reflection as this field is private).

    • This field gives you a

      . Create your own


      and add it to the list. The constructor for


      takes 2 parameters: A


      and a

      Map<ResourceLocation, Float>

      . The


      is the identifier for the model you want your potion to have (like you would use when normally registering an item). The


      needs to contain a single entry, the key being the


      that identifies your


      from the first step, the value being (as a


      ) 1.


You might additionally need to tell Minecraft to pre-load your Model using


in preInit.

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Also with potions, is there any way to increase/decrease mob spawns while having a custom potion effect active?

How do you want this to work? If a player has this potion active, mob spawns around them are reduced? Does it also happen when other (not-affected) players are nearby?
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    • I am trying to create a custom horse, but I am getting an error in bakeLayer.     ModEntityRenderer @Mod.EventBusSubscriber( modid = TutorialMod.MOD_ID, value = {Dist.CLIENT}, bus = Mod.EventBusSubscriber.Bus.MOD ) @OnlyIn(Dist.CLIENT) public class ModEntityRenderers{ private static final Set<ModelLayerLocation> ALL_MODELS = Sets.newHashSet(); public static ModelLayerLocation TUTORIAL_PIG_LAYER = new ModelLayerLocation(new ResourceLocation(TutorialMod.MOD_ID, "tutorial_pig"), "tutorial_pig"); public static ModelLayerLocation TUTORIAL_HORSE_LAYER = new ModelLayerLocation(new ResourceLocation(TutorialMod.MOD_ID, "tutorial_horse"), "tutorial_horse"); public static final ModelLayerLocation HORSEE = register("tutorial_horse"); private static ModelLayerLocation register(String p_171294_) { return register(p_171294_, "main"); } private static ModelLayerLocation register(String p_171296_, String p_171297_) { ModelLayerLocation modellayerlocation = createLocation(p_171296_, p_171297_); if (!ALL_MODELS.add(modellayerlocation)) { throw new IllegalStateException("Duplicate registration for " + modellayerlocation); } else { return modellayerlocation; } } private static ModelLayerLocation createLocation(String p_171301_, String p_171302_) { return new ModelLayerLocation(new ResourceLocation("minecraft", p_171301_), p_171302_); } public static void init() { } //registry list @SubscribeEvent public static void registerEntityRenders(EntityRenderersEvent.RegisterRenderers event) { event.registerEntityRenderer(ModEntityType.TUTORIAL_PIG, TutorialPigRenderer::new); event.registerEntityRenderer(ModEntityType.TUTORIAL_HORSE, TutorialHorseRenderer::new); } //renderer list @SubscribeEvent public static void registerLayerDefinition(EntityRenderersEvent.RegisterLayerDefinitions event) { LayerDefinition ModlayerTutorialHorse = LayerDefinition.create(TutorialHorseModel.createBodyMesh(CubeDeformation.NONE), 64, 64); ImmutableMap.Builder<ModelLayerLocation, LayerDefinition> builder = ImmutableMap.builder(); event.registerLayerDefinition(TUTORIAL_PIG_LAYER, TutorialPigModel::createBodyLayer); // event.registerLayerDefinition(TUTORIAL_HORSE_LAYER, TutorialHorseModel::createMesh); 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} public void prepareMobModel(T p_102780_, float p_102781_, float p_102782_, float p_102783_) { super.prepareMobModel(p_102780_, p_102781_, p_102782_, p_102783_); float f = Mth.rotlerp(p_102780_.yBodyRotO, p_102780_.yBodyRot, p_102783_); float f1 = Mth.rotlerp(p_102780_.yHeadRotO, p_102780_.yHeadRot, p_102783_); float f2 = Mth.lerp(p_102783_, p_102780_.xRotO, p_102780_.getXRot()); float f3 = f1 - f; float f4 = f2 * ((float)Math.PI / 180F); if (f3 > 20.0F) { f3 = 20.0F; } if (f3 < -20.0F) { f3 = -20.0F; } if (p_102782_ > 0.2F) { f4 += Mth.cos(p_102781_ * 0.4F) * 0.15F * p_102782_; } float f5 = p_102780_.getEatAnim(p_102783_); float f6 = p_102780_.getStandAnim(p_102783_); float f7 = 1.0F - f6; float f8 = p_102780_.getMouthAnim(p_102783_); boolean flag = p_102780_.tailCounter != 0; float f9 = (float)p_102780_.tickCount + p_102783_; this.headParts.y = 4.0F; this.headParts.z = -12.0F; this.body.xRot = 0.0F; this.headParts.xRot = ((float)Math.PI / 6F) + f4; this.headParts.yRot = f3 * ((float)Math.PI / 180F); float f10 = p_102780_.isInWater() ? 0.2F : 1.0F; float f11 = Mth.cos(f10 * p_102781_ * 0.6662F + (float)Math.PI); float f12 = f11 * 0.8F * p_102782_; float f13 = (1.0F - Math.max(f6, f5)) * (((float)Math.PI / 6F) + f4 + f8 * Mth.sin(f9) * 0.05F); this.headParts.xRot = f6 * (0.2617994F + f4) + f5 * (2.1816616F + Mth.sin(f9) * 0.05F) + f13; this.headParts.yRot = f6 * f3 * ((float)Math.PI / 180F) + (1.0F - Math.max(f6, f5)) * this.headParts.yRot; this.headParts.y = f6 * -4.0F + f5 * 11.0F + (1.0F - Math.max(f6, f5)) * this.headParts.y; this.headParts.z = f6 * -4.0F + f5 * -12.0F + (1.0F - Math.max(f6, f5)) * this.headParts.z; this.body.xRot = f6 * (-(float)Math.PI / 4F) + f7 * this.body.xRot; float f14 = 0.2617994F * f6; float f15 = Mth.cos(f9 * 0.6F + (float)Math.PI); this.leftFrontLeg.y = 2.0F * f6 + 14.0F * f7; this.leftFrontLeg.z = -6.0F * f6 - 10.0F * f7; this.rightFrontLeg.y = this.leftFrontLeg.y; this.rightFrontLeg.z = this.leftFrontLeg.z; float f16 = ((-(float)Math.PI / 3F) + f15) * f6 + f12 * f7; float f17 = ((-(float)Math.PI / 3F) - f15) * f6 - f12 * f7; this.leftHindLeg.xRot = f14 - f11 * 0.5F * p_102782_ * f7; this.rightHindLeg.xRot = f14 + f11 * 0.5F * p_102782_ * f7; this.leftFrontLeg.xRot = f16; this.rightFrontLeg.xRot = f17; this.tail.xRot = ((float)Math.PI / 6F) + p_102782_ * 0.75F; this.tail.y = -5.0F + p_102782_; this.tail.z = 2.0F + p_102782_ * 2.0F; if (flag) { this.tail.yRot = Mth.cos(f9 * 0.7F); } else { this.tail.yRot = 0.0F; } this.rightHindBabyLeg.y = this.rightHindLeg.y; this.rightHindBabyLeg.z = this.rightHindLeg.z; this.rightHindBabyLeg.xRot = this.rightHindLeg.xRot; this.leftHindBabyLeg.y = this.leftHindLeg.y; this.leftHindBabyLeg.z = this.leftHindLeg.z; this.leftHindBabyLeg.xRot = this.leftHindLeg.xRot; this.rightFrontBabyLeg.y = this.rightFrontLeg.y; this.rightFrontBabyLeg.z = this.rightFrontLeg.z; this.rightFrontBabyLeg.xRot = this.rightFrontLeg.xRot; this.leftFrontBabyLeg.y = this.leftFrontLeg.y; this.leftFrontBabyLeg.z = this.leftFrontLeg.z; this.leftFrontBabyLeg.xRot = this.leftFrontLeg.xRot; boolean flag1 = p_102780_.isBaby(); this.rightHindLeg.visible = !flag1; this.leftHindLeg.visible = !flag1; this.rightFrontLeg.visible = !flag1; this.leftFrontLeg.visible = !flag1; this.rightHindBabyLeg.visible = flag1; this.leftHindBabyLeg.visible = flag1; this.rightFrontBabyLeg.visible = flag1; this.leftFrontBabyLeg.visible = flag1; this.body.y = flag1 ? 10.8F : 0.0F; } }   Renderer @OnlyIn(Dist.CLIENT) public final class TutorialHorseRenderer extends ModAbstractHorseRenderer<TutorialHorse, TutorialHorseModel<TutorialHorse>> { private static final Map<Variant, ResourceLocation> LOCATION_BY_VARIANT = Util.make(Maps.newEnumMap(Variant.class), (p_114874_) -> { p_114874_.put(Variant.WHITE, new ResourceLocation("textures/entity/horse/horse_white.png")); p_114874_.put(Variant.CREAMY, new ResourceLocation("textures/entity/horse/horse_creamy.png")); p_114874_.put(Variant.CHESTNUT, new ResourceLocation("textures/entity/horse/horse_chestnut.png")); p_114874_.put(Variant.BROWN, new ResourceLocation("textures/entity/horse/horse_brown.png")); p_114874_.put(Variant.BLACK, new ResourceLocation("textures/entity/horse/horse_black.png")); p_114874_.put(Variant.GRAY, new ResourceLocation("textures/entity/horse/horse_gray.png")); p_114874_.put(Variant.DARKBROWN, new ResourceLocation("textures/entity/horse/horse_darkbrown.png")); }); public TutorialHorseRenderer(EntityRendererProvider.Context p_174167_) { super(p_174167_, new TutorialHorseModel<>(p_174167_.bakeLayer(ModEntityRenderers.HORSEE)), 1.1F); //this.addLayer(new HorseMarkingLayer(this)); //this.addLayer(new HorseArmorLayer(this, p_174167_.getModelSet())); } public ResourceLocation getTextureLocation(TutorialHorse p_114872_) { return LOCATION_BY_VARIANT.get(p_114872_.getVariant()); } } I'm trying to make the code equivalent to Vanilla, but I think I'm wrong. Please help me
    • Also please show the registration of the MenuType.
    • Same as before, NetworkHooks.openGui.
    • Show a screenshot of your launcher. Are you sure that is the complete log? Please also post the launcher log.
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