61 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| package net.minecraft.util.datafix.fixes;
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| 
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| import com.mojang.datafixers.DSL;
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| import com.mojang.datafixers.DataFix;
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| import com.mojang.datafixers.OpticFinder;
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| import com.mojang.datafixers.TypeRewriteRule;
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| import com.mojang.datafixers.schemas.Schema;
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| import com.mojang.datafixers.types.Type;
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| import com.mojang.serialization.Dynamic;
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| 
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| public class EntityPaintingItemFrameDirectionFix extends DataFix {
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| 	private static final int[][] DIRECTIONS = new int[][]{{0, 0, 1}, {-1, 0, 0}, {0, 0, -1}, {1, 0, 0}};
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| 
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| 	public EntityPaintingItemFrameDirectionFix(Schema outputSchema, boolean changesType) {
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| 		super(outputSchema, changesType);
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| 	}
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| 
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| 	private Dynamic<?> doFix(Dynamic<?> dynamic, boolean fixDirection, boolean fixItemRotation) {
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| 		if ((fixDirection || fixItemRotation) && dynamic.get("Facing").asNumber().result().isEmpty()) {
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| 			int i;
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| 			if (dynamic.get("Direction").asNumber().result().isPresent()) {
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| 				i = dynamic.get("Direction").asByte((byte)0) % DIRECTIONS.length;
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| 				int[] is = DIRECTIONS[i];
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| 				dynamic = dynamic.set("TileX", dynamic.createInt(dynamic.get("TileX").asInt(0) + is[0]));
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| 				dynamic = dynamic.set("TileY", dynamic.createInt(dynamic.get("TileY").asInt(0) + is[1]));
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| 				dynamic = dynamic.set("TileZ", dynamic.createInt(dynamic.get("TileZ").asInt(0) + is[2]));
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| 				dynamic = dynamic.remove("Direction");
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| 				if (fixItemRotation && dynamic.get("ItemRotation").asNumber().result().isPresent()) {
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| 					dynamic = dynamic.set("ItemRotation", dynamic.createByte((byte)(dynamic.get("ItemRotation").asByte((byte)0) * 2)));
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| 				}
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| 			} else {
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| 				i = dynamic.get("Dir").asByte((byte)0) % DIRECTIONS.length;
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| 				dynamic = dynamic.remove("Dir");
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| 			}
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| 
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| 			dynamic = dynamic.set("Facing", dynamic.createByte((byte)i));
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| 		}
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| 
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| 		return dynamic;
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| 	}
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| 
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| 	@Override
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| 	public TypeRewriteRule makeRule() {
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| 		Type<?> type = this.getInputSchema().getChoiceType(References.ENTITY, "Painting");
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| 		OpticFinder<?> opticFinder = DSL.namedChoice("Painting", type);
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| 		Type<?> type2 = this.getInputSchema().getChoiceType(References.ENTITY, "ItemFrame");
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| 		OpticFinder<?> opticFinder2 = DSL.namedChoice("ItemFrame", type2);
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| 		Type<?> type3 = this.getInputSchema().getType(References.ENTITY);
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| 		TypeRewriteRule typeRewriteRule = this.fixTypeEverywhereTyped(
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| 			"EntityPaintingFix",
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| 			type3,
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| 			typed -> typed.updateTyped(opticFinder, type, typedx -> typedx.update(DSL.remainderFinder(), dynamic -> this.doFix(dynamic, true, false)))
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| 		);
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| 		TypeRewriteRule typeRewriteRule2 = this.fixTypeEverywhereTyped(
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| 			"EntityItemFrameFix",
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| 			type3,
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| 			typed -> typed.updateTyped(opticFinder2, type2, typedx -> typedx.update(DSL.remainderFinder(), dynamic -> this.doFix(dynamic, false, true)))
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| 		);
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| 		return TypeRewriteRule.seq(typeRewriteRule, typeRewriteRule2);
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| 	}
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| }
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