Added autobuy (open merchant, type .buy start 5 map to buy 5 maples

Removed automatic scroll buying from autoSell and moved it to autoBuy (make sure to grab autoBuy.ini) Removed strings from transmute that were flagged by some antivirus software
nooperation · Jul 22, 2023 · 62be42a · 62be42a
1 parent 475c4b6
commit 62be42a
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Showing 11 changed files with 483 additions and 146 deletions.
diff --git a/D2Hackit/Modules/autoBuy/AutoBuy.cpp b/D2Hackit/Modules/autoBuy/AutoBuy.cpp
@@ -0,0 +1,172 @@
+#include "AutoBuy.h"
+#include <fstream>
+#include <string>
+#include <sstream>
+#include "../../Core/npc.h"
+#include "../../Core/npc.cpp" // TODO: Let's not do this
+
+#define CONFIG_PATH ".\\plugin\\AutoBuy.ini"
+
+BOOL CALLBACK FindStuffToSellCallback(LPCITEM item, LPARAM lParam);
+
+AutoBuy::AutoBuy()
+{
+	this->isAutomaticallyRefillTP = GetPrivateProfileInt("AutoBuy", "AutomaticallyRefillTP", false, CONFIG_PATH);
+}
+
+#pragma pack(push, 1)
+struct D2GS_NPC_BUY
+{
+	uint8_t PacketId;
+	uint32_t UnitId;
+	uint32_t ItemId;
+	uint32_t BuyType;
+	uint32_t Cost;
+};
+#pragma pack(pop)
+
+bool AutoBuy::BuyItemInQuantity(DWORD dwItemID) const
+{
+	if (!me->IsUIOpened(UI_NPCSHOP))
+	{
+		server->GameErrorf("ÿc:AutoBuyÿc0: You must first open the trade interface with a merchant");
+		return false;
+	}
+
+	const auto vendorId = server->GetInteractedNPCUniqueID();
+	if (vendorId == 0)
+	{
+		server->GameErrorf("ÿc:AutoBuyÿc0: No merchant found");
+		return false;
+	}
+
+	const auto vendorClassId = server->GetInteractedNPCClassID();
+	if (GetNpcTradeMenuID(vendorClassId) == -1)
+	{
+		server->GameErrorf("ÿc:AutoBuyÿc0: Currently selected npc is not a merchant");
+		return false;
+	}
+
+	GAMEUNIT unit;
+	unit.dwUnitID = vendorId;
+	unit.dwUnitType = UNIT_TYPE_MONSTER;
+	if (!server->VerifyUnit(&unit))
+	{
+		server->GameErrorf("ÿc:AutoBuyÿc0: could not verify merchant");
+		return FALSE;
+	}
+
+	D2GS_NPC_BUY packet;
+	packet.PacketId = 0x32;
+	packet.UnitId = vendorId;
+	packet.ItemId = dwItemID;
+	packet.BuyType = 0x80000000;
+	packet.Cost = 0;
+
+	return server->GameSendPacketToServer((uint8_t*)&packet, sizeof(packet));
+}
+
+bool AutoBuy::Start(int quantity, const std::string& itemCode)
+{
+	if (currentState != State::Uninitialized)
+	{
+		this->Stop();
+	}
+
+	server->GameStringf("Attempting to buy %d %s", quantity, itemCode.c_str());
+
+	this->numTPTomesToRefill = 0;
+	this->itemQuantityToBuy = max(0, quantity);
+	this->itemCodeToBuy = itemCode;
+
+	RestockScrolls();
+
+	return true;
+}
+
+void AutoBuy::Stop()
+{
+	if (currentState != State::Uninitialized)
+	{
+		this->itemQuantityToBuy = 0;
+		this->itemCodeToBuy = "";
+		this->numTPTomesToRefill = 0;
+		merchantItems.clear();
+
+		me->CleanJobs();
+		server->GameStringf("ÿc:AutoBuyÿc0: Done");
+		currentState = State::Uninitialized;
+	}
+}
+
+void AutoBuy::RestockScrolls()
+{
+	if (isAutomaticallyRefillTP)
+	{
+		auto tpScrollIdIter = merchantItems.find("tsc");
+		if (tpScrollIdIter != merchantItems.end())
+		{
+			for (auto i = 0; i < this->numTPTomesToRefill; i++)
+			{
+				BuyItemInQuantity(tpScrollIdIter->second);
+			}
+		}
+	}
+
+	if (itemQuantityToBuy > 0)
+	{
+		auto customItemIdIter = merchantItems.find(itemCodeToBuy);
+		if (customItemIdIter != merchantItems.end())
+		{
+			for (auto i = 0; i < itemQuantityToBuy; i++)
+			{
+				BuyItemInQuantity(customItemIdIter->second);
+			}
+		}
+	}
+
+	this->Stop();
+}
+
+// Called when NPC is listing items up for gamble, before NPC_SESSION message
+void AutoBuy::OnNpcItemList(const ITEM& merchantItem)
+{
+	merchantItems[merchantItem.szItemCode] = merchantItem.dwItemID;
+}
+
+void AutoBuy::OnNPCShopScreenOpened()
+{
+	merchantItems.clear();
+}
+
+void AutoBuy::ProcessInventoryItem(const ITEM* item)
+{
+	if (item == nullptr)
+	{
+		return;
+	}
+
+	if (strcmp(item->szItemCode, "tbk") == 0)
+	{
+		// TODO: d2hackit doesn't update item->iQuantity, never trust it...
+		GAMEUNIT unit;
+		unit.dwUnitID = item->dwItemID;
+		unit.dwUnitType = UNIT_TYPE_ITEM;
+
+		auto charges = server->GetUnitStat(&unit, STAT_AMMOQUANTITY);
+		if (charges < 40) 
+		{
+			this->numTPTomesToRefill++;
+		}
+	}
+
+	return;
+}
+
+BOOL CALLBACK FindStuffToSellCallback(LPCITEM item, LPARAM lParam)
+{
+	auto instance = (AutoBuy *)lParam;
+	instance->ProcessInventoryItem(item);
+
+	return TRUE;
+}
diff --git a/D2Hackit/Modules/autoBuy/AutoBuy.h b/D2Hackit/Modules/autoBuy/AutoBuy.h
@@ -0,0 +1,39 @@
+#include <queue>
+#include <unordered_set>
+#include <unordered_map>
+#include "../../Includes/D2Client.h"
+
+enum class State
+{
+	Uninitialized = 0,
+	WaitForNPC,
+};
+
+
+class AutoBuy
+{
+public:
+	AutoBuy();
+
+	bool Start(int quantity, const std::string& itemCode);
+	void Stop();
+	void OnNPCShopScreenOpened();
+	void ProcessInventoryItem(const ITEM *item);
+	void OnNpcItemList(const ITEM &merchantItem);
+
+private:
+	void RestockScrolls();
+	bool BuyItemInQuantity(DWORD dwItemID) const;
+
+	bool isAutomaticallyRefillTP = 0;
+	int numTPTomesToRefill = 0;
+
+	int itemQuantityToBuy = 0;
+	std::string itemCodeToBuy = "";
+
+	State currentState = State::Uninitialized;
+	std::unordered_map<std::string, std::string> targetItems;
+	std::unordered_map<std::string, DWORD> merchantItems;
+};
+
+BOOL CALLBACK FindStuffToSellCallback(LPCPRESETUNIT presetUnit, LPARAM lParam);
diff --git a/D2Hackit/Modules/autoBuy/AutoBuy.vcxproj b/D2Hackit/Modules/autoBuy/AutoBuy.vcxproj
@@ -0,0 +1,126 @@
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+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup>
+    <Diablo2Path Condition="'$(Diablo2Path)' == '' ">C:\Program Files (x86)\Diablo II</Diablo2Path>
+  </PropertyGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{D92FD3C9-082F-4DFB-B414-3538D1F9DFFF}</ProjectGuid>
+    <RootNamespace>AutoBuy</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
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+    <ClCompile Include="main.cpp" />
+    <ClCompile Include="AutoBuy.cpp" />
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diff --git a/D2Hackit/Modules/autoBuy/Resources/AutoBuy.ini b/D2Hackit/Modules/autoBuy/Resources/AutoBuy.ini
@@ -0,0 +1,2 @@
+[AutoBuy]
+AutomaticallyRefillTP = 1
diff --git a/D2Hackit/Modules/autoBuy/autoBuy.vcxproj.filters b/D2Hackit/Modules/autoBuy/autoBuy.vcxproj.filters
@@ -0,0 +1,35 @@
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