From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.World/TradeWithPlayerGoal.cpp | 51 +++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Minecraft.World/TradeWithPlayerGoal.cpp

(limited to 'Minecraft.World/TradeWithPlayerGoal.cpp')

diff --git a/Minecraft.World/TradeWithPlayerGoal.cpp b/Minecraft.World/TradeWithPlayerGoal.cpp
new file mode 100644
index 00000000..e8b791d1
--- /dev/null
+++ b/Minecraft.World/TradeWithPlayerGoal.cpp
@@ -0,0 +1,51 @@
+#include "stdafx.h"
+#include "net.minecraft.world.entity.npc.h"
+#include "net.minecraft.world.entity.ai.control.h"
+#include "net.minecraft.world.entity.ai.navigation.h"
+#include "net.minecraft.world.inventory.h"
+#include "TradeWithPlayerGoal.h"
+
+TradeWithPlayerGoal::TradeWithPlayerGoal(Villager *mob)
+{
+	this->mob = mob;
+	setRequiredControlFlags(Control::JumpControlFlag | Control::MoveControlFlag);
+}
+
+bool TradeWithPlayerGoal::canUse()
+{
+	if (!mob->isAlive()) return false;
+	if (mob->isInWater()) return false;
+	if (!mob->onGround) return false;
+	if (mob->hurtMarked) return false;
+
+	shared_ptr<Player> trader = mob->getTradingPlayer();
+	if (trader == NULL)
+	{
+		// no interaction
+		return false;
+	}
+
+	if (mob->distanceToSqr(trader) > (4 * 4))
+	{
+		// too far away
+		return false;
+	}
+
+	if (!(trader->containerMenu == trader->inventoryMenu))
+	{
+		// closed container
+		return false;
+	}
+
+	return true;
+}
+
+void TradeWithPlayerGoal::start()
+{
+	mob->getNavigation()->stop();
+}
+
+void TradeWithPlayerGoal::stop()
+{
+	mob->setTradingPlayer(nullptr);
+}
\ No newline at end of file
-- 
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