Fixed horns and horn glows

src/main/java/com/minelittlepony/client/model/entity/race/ModelUnicorn.java

@@ -1,6 +1,7 @@
 package com.minelittlepony.client.model.entity.race;
 
 import com.minelittlepony.client.model.part.UnicornHorn;
+import com.minelittlepony.model.BodyPart;
 import com.minelittlepony.model.IUnicorn;
 import com.minelittlepony.mson.api.ModelContext;
 import com.minelittlepony.mson.api.model.MsonPart;
@@ -94,9 +95,19 @@ public class ModelUnicorn<T extends LivingEntity> extends ModelEarthPony<T> impl
         if (hasHorn()) {
             head.rotate(stack);
             horn.renderPart(stack, vertices, overlayUv, lightUv, red, green, blue, alpha, attributes.interpolatorId);
-            if (canCast() && isCasting()) {
+        }
-                horn.renderMagic(stack, getMagicColor());
+    }
-            }
+
+    @Override
+    public void render(MatrixStack stack, VertexConsumer vertices, int overlayUv, int lightUv, float red, float green, float blue, float alpha) {
+        super.render(stack, vertices, overlayUv, lightUv, red, green, blue, alpha);
+
+        if (hasHorn() && canCast() && isCasting()) {
+            stack.push();
+            head.rotate(stack);
+            transform(BodyPart.HEAD, stack);
+            horn.renderMagic(stack, vertices, getMagicColor());
+            stack.pop();
         }
     }
 

src/main/java/com/minelittlepony/client/model/part/UnicornHorn.java

@@ -4,9 +4,15 @@ import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.model.ModelPart;
 import net.minecraft.client.render.OverlayTexture;
 import net.minecraft.client.render.RenderLayer;
+import net.minecraft.client.render.RenderPhase;
 import net.minecraft.client.render.VertexConsumer;
+import net.minecraft.client.render.VertexFormats;
+import net.minecraft.client.render.VertexConsumerProvider.Immediate;
 import net.minecraft.client.util.math.MatrixStack;
 
+import org.lwjgl.opengl.GL11;
+
+import com.minelittlepony.client.render.MagicGlow;
 import com.minelittlepony.model.IPart;
 import com.minelittlepony.mson.api.ModelContext;
 import com.minelittlepony.mson.api.MsonModel;
@@ -36,11 +42,12 @@ public class UnicornHorn implements IPart, MsonModel {
         }
     }
 
-    public void renderMagic(MatrixStack stack, int tint) {
+    public void renderMagic(MatrixStack stack, VertexConsumer verts, int tint) {
         if (visible) {
-            horn.rotate(stack);
+            Immediate immediate = MinecraftClient.getInstance().getBufferBuilders().getEntityVertexConsumers();
+
+            VertexConsumer vertices = immediate.getBuffer(MagicGlow.getRenderLayer());
 
-            VertexConsumer vertices = MinecraftClient.getInstance().getBufferBuilders().getEntityVertexConsumers().getBuffer(RenderLayer.getTranslucentNoCrumbling());
             glow.render(stack, vertices, OverlayTexture.DEFAULT_UV, 0x0F00F0, Color.r(tint), Color.g(tint), Color.b(tint), 0.4F);
         }
     }

src/main/java/com/minelittlepony/client/render/LevitatingItemRenderer.java

@@ -23,8 +23,6 @@ import net.minecraft.util.Arm;
 import net.minecraft.util.UseAction;
 import net.minecraft.world.World;
 
-import static com.mojang.blaze3d.systems.RenderSystem.*;
-
 public class LevitatingItemRenderer {
 
     private static boolean usingTransparency;
@@ -61,11 +59,11 @@ public class LevitatingItemRenderer {
     }
 
     private void setColor(int glowColor) {
-        GL14.glBlendColor(Color.r(glowColor), Color.g(glowColor), Color.b(glowColor), 0.2F);
+        //GL14.glBlendColor(Color.r(glowColor), Color.g(glowColor), Color.b(glowColor), 0.2F);
     }
 
     private void unsetColor() {
-        GL14.glBlendColor(255, 255, 255, 1);
+        //GL14.glBlendColor(255, 255, 255, 1);
     }
 
     /**
@@ -87,8 +85,6 @@ public class LevitatingItemRenderer {
         itemRenderer.method_23177(entity, stack, transform, left, matrix, renderContext, world, lightUv, OverlayTexture.DEFAULT_UV);
 
         if (doMagic) {
-            disableLighting();
-
             usingTransparency = true;
 
             setColor(pony.getMetadata().getGlowColor());
@@ -103,7 +99,6 @@ public class LevitatingItemRenderer {
             usingTransparency = false;
 
             unsetColor();
-            enableLighting();
         }
 
         matrix.pop();

src/main/java/com/minelittlepony/client/render/MagicGlow.java

@@ -0,0 +1,21 @@
+package com.minelittlepony.client.render;
+
+import net.minecraft.client.render.RenderLayer;
+import net.minecraft.client.render.RenderPhase;
+import net.minecraft.client.render.VertexFormats;
+
+public class MagicGlow extends RenderPhase {
+
+    public MagicGlow(String name, Runnable beginAction, Runnable endAction) {
+        super(name, beginAction, endAction);
+    }
+
+    public static RenderLayer getRenderLayer() {
+        return RenderLayer.method_24048("mlp_magic_glow", VertexFormats.POSITION_COLOR_TEXTURE_LIGHT_NORMAL, 7, 256, RenderLayer.MultiPhaseData.builder()
+                .texture(NO_TEXTURE)
+                .transparency(TRANSLUCENT_TRANSPARENCY)
+                .lightmap(DISABLE_LIGHTMAP)
+                .cull(DISABLE_CULLING)
+                .build(false));
+    }
+}