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/MerchantRecipe.cpp | 146 +++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 Minecraft.World/MerchantRecipe.cpp

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

diff --git a/Minecraft.World/MerchantRecipe.cpp b/Minecraft.World/MerchantRecipe.cpp
new file mode 100644
index 00000000..b772b0c7
--- /dev/null
+++ b/Minecraft.World/MerchantRecipe.cpp
@@ -0,0 +1,146 @@
+#include "stdafx.h"
+
+#include "MerchantRecipe.h"
+
+void MerchantRecipe::_init(shared_ptr<ItemInstance> buyA, shared_ptr<ItemInstance> buyB, shared_ptr<ItemInstance> sell)
+{
+	this->buyA = buyA;
+	this->buyB = buyB;
+	this->sell = sell;
+	uses = 0;
+	maxUses = 7;
+}
+
+MerchantRecipe::MerchantRecipe(CompoundTag *tag)
+{
+	buyA = nullptr;
+	buyB = nullptr;
+	sell = nullptr;
+	uses = 0;
+	load(tag);
+}
+
+MerchantRecipe::MerchantRecipe(shared_ptr<ItemInstance> buyA, shared_ptr<ItemInstance> buyB, shared_ptr<ItemInstance> sell, int uses, int maxUses)
+{
+	_init(buyA, buyB, sell);
+	this->uses = uses;
+	this->maxUses = maxUses;
+}
+
+MerchantRecipe::MerchantRecipe(shared_ptr<ItemInstance> buy, shared_ptr<ItemInstance> sell)
+{
+	_init(buy, nullptr, sell);
+}
+
+MerchantRecipe::MerchantRecipe(shared_ptr<ItemInstance> buy, Item *sell)
+{
+	_init(buy, nullptr, shared_ptr<ItemInstance>(new ItemInstance(sell)));
+}
+
+MerchantRecipe::MerchantRecipe(shared_ptr<ItemInstance> buy, Tile *sell)
+{
+	_init(buy, nullptr, shared_ptr<ItemInstance>(new ItemInstance(sell)));
+}
+
+shared_ptr<ItemInstance> MerchantRecipe::getBuyAItem()
+{
+	return buyA;
+}
+
+shared_ptr<ItemInstance> MerchantRecipe::getBuyBItem()
+{
+	return buyB;
+}
+
+bool MerchantRecipe::hasSecondaryBuyItem()
+{
+	return buyB != NULL;
+}
+
+shared_ptr<ItemInstance> MerchantRecipe::getSellItem()
+{
+	return sell;
+}
+
+bool MerchantRecipe::isSame(MerchantRecipe *other)
+{
+	if (buyA->id != other->buyA->id || sell->id != other->sell->id)
+	{
+		return false;
+	}
+	return (buyB == NULL && other->buyB == NULL) || (buyB != NULL && other->buyB != NULL && buyB->id == other->buyB->id);
+}
+
+bool MerchantRecipe::isSameSameButBetter(MerchantRecipe *other)
+{
+	// same deal, but cheaper
+	return isSame(other) && (buyA->count < other->buyA->count || (buyB != NULL && buyB->count < other->buyB->count));
+}
+
+int MerchantRecipe::getUses()
+{
+	return uses;
+}
+
+int MerchantRecipe::getMaxUses()
+{
+	return maxUses;
+}
+
+void MerchantRecipe::increaseUses()
+{
+	uses++;
+}
+
+void MerchantRecipe::increaseMaxUses(int amount)
+{
+	maxUses += amount;
+}
+
+bool MerchantRecipe::isDeprecated()
+{
+	return uses >= maxUses;
+}
+
+void MerchantRecipe::enforceDeprecated()
+{
+	uses = maxUses;
+}
+
+void MerchantRecipe::load(CompoundTag *tag)
+{
+	CompoundTag *buyTag = tag->getCompound(L"buy");
+	buyA = ItemInstance::fromTag(buyTag);
+	CompoundTag *sellTag = tag->getCompound(L"sell");
+	sell = ItemInstance::fromTag(sellTag);
+	if (tag->contains(L"buyB"))
+	{
+		buyB = ItemInstance::fromTag(tag->getCompound(L"buyB"));
+	}
+	if (tag->contains(L"uses"))
+	{
+		uses = tag->getInt(L"uses");
+	}
+	if (tag->contains(L"maxUses"))
+	{
+		maxUses = tag->getInt(L"maxUses");
+	}
+	else
+	{
+		maxUses = 7;
+	}
+}
+
+CompoundTag *MerchantRecipe::createTag()
+{
+	CompoundTag *tag = new CompoundTag();
+	tag->putCompound(L"buy", buyA->save(new CompoundTag(L"buy")));
+	tag->putCompound(L"sell", sell->save(new CompoundTag(L"sell")));
+	if (buyB != NULL)
+	{
+		tag->putCompound(L"buyB", buyB->save(new CompoundTag(L"buyB")));
+	}
+	tag->putInt(L"uses", uses);
+	tag->putInt(L"maxUses", maxUses);
+	return tag;
+}
\ No newline at end of file
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