From bca6a74e9a17e04de419743850f66af96a6473cc Mon Sep 17 00:00:00 2001
From: Uko Kokņevičs
Date: Thu, 11 Jan 2024 23:11:27 +0100
Subject: Move default emc values to JSON files in datapack

---
 .../lv/enes/mc/eris_alchemy/SimplifiedRecipe.java  | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/main/java/lv/enes/mc/eris_alchemy/SimplifiedRecipe.java

(limited to 'src/main/java/lv/enes/mc/eris_alchemy/SimplifiedRecipe.java')

diff --git a/src/main/java/lv/enes/mc/eris_alchemy/SimplifiedRecipe.java b/src/main/java/lv/enes/mc/eris_alchemy/SimplifiedRecipe.java
new file mode 100644
index 0000000..ef69b84
--- /dev/null
+++ b/src/main/java/lv/enes/mc/eris_alchemy/SimplifiedRecipe.java
@@ -0,0 +1,89 @@
+package lv.enes.mc.eris_alchemy;
+
+import com.google.gson.*;
+import jakarta.annotation.Nonnull;
+import lv.enes.mc.eris_alchemy.utils.RecipeUtils;
+import net.minecraft.core.RegistryAccess;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.crafting.Ingredient;
+import net.minecraft.world.item.crafting.Recipe;
+import net.minecraft.world.item.crafting.ShapedRecipe;
+
+import java.lang.reflect.Type;
+import java.util.List;
+
+public record SimplifiedRecipe(ItemStack output, List<ItemStack> remainder, List<Ingredient> input) {
+	public SimplifiedRecipe(Recipe<?> recipe, RegistryAccess registryAccess) {
+		this(
+				RecipeUtils.getOutput(recipe, registryAccess),
+				List.of(), // TODO:
+				RecipeUtils.getIngredients(recipe).stream().filter(ingredient -> !ingredient.isEmpty()).toList()
+		);
+	}
+
+	static class Deserializer implements JsonDeserializer<SimplifiedRecipe> {
+		@Nonnull
+		@Override
+		public SimplifiedRecipe deserialize(
+				JsonElement jsonElement,
+				Type type,
+				JsonDeserializationContext jsonDeserializationContext
+		) throws JsonParseException {
+			if (!jsonElement.isJsonObject()) {
+				throw new JsonParseException("Recipe must be an object");
+			}
+			var obj = jsonElement.getAsJsonObject();
+
+			if (obj.get("output") == null || obj.get("input") == null) {
+				throw new JsonParseException("Recipe must have 'output' and 'input' fields");
+			}
+
+			var output = parseOutputOrRemainder(obj.get("output"));
+			var remainder = parseRemainders(obj.get("remainder"));
+			var input = parseInputs(obj.get("input"));
+			return new SimplifiedRecipe(output, remainder, input);
+		}
+
+		private List<Ingredient> parseInputs(JsonElement el) {
+			if (el.isJsonArray()) {
+				return el.getAsJsonArray().asList().stream().map(this::parseInput).map(Ingredient::of).toList();
+			}
+
+			return List.of(Ingredient.of(parseInput(el)));
+		}
+
+		private ItemStack parseInput(JsonElement el) {
+			if (el.isJsonObject()) {
+				return ShapedRecipe.itemStackFromJson(el.getAsJsonObject());
+			} else if (el.isJsonPrimitive() && el.getAsJsonPrimitive().isString()) {
+				var id = new ResourceLocation(el.getAsString());
+				return BuiltInRegistries.ITEM.get(id).getDefaultInstance();
+			} else {
+				throw new JsonParseException("Every recipe input should be an object or a string");
+			}
+		}
+
+		private ItemStack parseOutputOrRemainder(JsonElement el) {
+			if (el.isJsonObject()) {
+				return ShapedRecipe.itemStackFromJson(el.getAsJsonObject());
+			} else if (el.isJsonPrimitive() && el.getAsJsonPrimitive().isString()) {
+				var id = new ResourceLocation(el.getAsString());
+				return BuiltInRegistries.ITEM.get(id).getDefaultInstance();
+			} else {
+				throw new JsonParseException("Recipe's output or remainder must be an object or a string");
+			}
+		}
+
+		private List<ItemStack> parseRemainders(JsonElement el) {
+			if (el == null) {
+				return List.of();
+			} else if (el.isJsonArray()) {
+				return el.getAsJsonArray().asList().stream().map(this::parseOutputOrRemainder).toList();
+			} else {
+				return List.of(parseOutputOrRemainder(el));
+			}
+		}
+	}
+}
-- 
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