From e1f3d23b79c2841f83fd2d56f6d37725f5b8a3cb Mon Sep 17 00:00:00 2001
From: Jonas Gunz <himself@jonasgunz.de>
Date: Thu, 14 May 2020 23:07:12 +0200
Subject: Added advanced villager trade tracking

---
 src/main/java/re/jag/parquet/CustomStats.java      | 14 +++++++++++
 .../parquet/mixin/AbstractTraderEntityMixin.java   | 26 +++++++++++++++++++
 src/main/java/re/jag/parquet/mixin/StatsMixin.java | 29 ++++++++++++++++++++++
 src/main/resources/parquet.mixins.json             |  4 ++-
 4 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/re/jag/parquet/CustomStats.java
 create mode 100644 src/main/java/re/jag/parquet/mixin/AbstractTraderEntityMixin.java
 create mode 100644 src/main/java/re/jag/parquet/mixin/StatsMixin.java

(limited to 'src')

diff --git a/src/main/java/re/jag/parquet/CustomStats.java b/src/main/java/re/jag/parquet/CustomStats.java
new file mode 100644
index 0000000..c9d69b8
--- /dev/null
+++ b/src/main/java/re/jag/parquet/CustomStats.java
@@ -0,0 +1,14 @@
+package re.jag.parquet;
+
+import net.minecraft.item.Item;
+import net.minecraft.stat.StatType;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.registry.Registry;
+
+public class CustomStats {
+	public static final StatType<Item> TRADED;
+
+	static {
+		TRADED = (StatType<Item>) Registry.STAT_TYPE.get(new Identifier("traded"));
+	}
+}
diff --git a/src/main/java/re/jag/parquet/mixin/AbstractTraderEntityMixin.java b/src/main/java/re/jag/parquet/mixin/AbstractTraderEntityMixin.java
new file mode 100644
index 0000000..654c7cd
--- /dev/null
+++ b/src/main/java/re/jag/parquet/mixin/AbstractTraderEntityMixin.java
@@ -0,0 +1,26 @@
+package re.jag.parquet.mixin;
+
+import net.minecraft.entity.passive.AbstractTraderEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.village.TradeOffer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import re.jag.parquet.CustomStats;
+import re.jag.parquet.Parquet;
+
+@Mixin(AbstractTraderEntity.class)
+public class AbstractTraderEntityMixin {
+	@Shadow
+	PlayerEntity customer;
+
+	@Inject(method="trade", at = @At("RETURN"))
+	private void onTrade(TradeOffer tradeOffer, CallbackInfo ci) {
+		if (this.customer instanceof ServerPlayerEntity) {
+			((ServerPlayerEntity)customer).incrementStat( CustomStats.TRADED.getOrCreateStat( tradeOffer.getMutableSellItem().getItem() ) );
+		}
+	}
+}
diff --git a/src/main/java/re/jag/parquet/mixin/StatsMixin.java b/src/main/java/re/jag/parquet/mixin/StatsMixin.java
new file mode 100644
index 0000000..89463d8
--- /dev/null
+++ b/src/main/java/re/jag/parquet/mixin/StatsMixin.java
@@ -0,0 +1,29 @@
+package re.jag.parquet.mixin;
+
+import net.minecraft.item.Item;
+import net.minecraft.stat.StatFormatter;
+import net.minecraft.stat.StatType;
+import net.minecraft.stat.Stats;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.registry.Registry;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+/**
+ * Has to be a Mixin for the game to load on startup.
+ * */
+
+@Mixin(Stats.class)
+public class StatsMixin {
+	@Shadow
+	private static StatType<Item> registerType(String string, Registry<Item> registry){ return null; };
+
+	@Shadow
+	private static Identifier register(String string, StatFormatter statFormatter) { return  null; }
+
+	private static final StatType<Item> TRADED;
+
+	static {
+		TRADED = registerType("traded", Registry.ITEM);
+	}
+}
diff --git a/src/main/resources/parquet.mixins.json b/src/main/resources/parquet.mixins.json
index 710b231..5aa1f0a 100644
--- a/src/main/resources/parquet.mixins.json
+++ b/src/main/resources/parquet.mixins.json
@@ -9,7 +9,9 @@
     "ServerPlayerEntityMixin",
     "BootstrapMixin",
     "FireWorkItemMixin",
-    "SellMapFactoryMixin"
+    "SellMapFactoryMixin",
+    "AbstractTraderEntityMixin",
+    "StatsMixin"
   ],
   "server": [
   ],
-- 
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