[Chat] Isolate stack

src/Game/Scripting/StackIsolation.cpp

@@ -0,0 +1,26 @@
+#include <STDInclude.hpp>
+
+namespace Scripting
+{
+	StackIsolation::StackIsolation()
+	{
+		this->inParamCount_ = Game::scrVmPub->inparamcount;
+		this->outParamCount_ = Game::scrVmPub->outparamcount;
+		this->top_ = Game::scrVmPub->top;
+		this->maxStack_ = Game::scrVmPub->maxStack;
+
+		Game::scrVmPub->top = this->stack_;
+		Game::scrVmPub->maxStack = &this->stack_[ARRAYSIZE(this->stack_) - 1];
+		Game::scrVmPub->inparamcount = 0;
+		Game::scrVmPub->outparamcount = 0;
+	}
+
+	StackIsolation::~StackIsolation()
+	{
+		Game::Scr_ClearOutParams();
+		Game::scrVmPub->inparamcount = this->inParamCount_;
+		Game::scrVmPub->outparamcount = this->outParamCount_;
+		Game::scrVmPub->top = this->top_;
+		Game::scrVmPub->maxStack = this->maxStack_;
+	}
+}

src/Game/Scripting/StackIsolation.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+namespace Scripting
+{
+	class StackIsolation final
+	{
+	public:
+		StackIsolation();
+		~StackIsolation();
+
+		StackIsolation(StackIsolation&&) = delete;
+		StackIsolation(const StackIsolation&) = delete;
+		StackIsolation& operator=(StackIsolation&&) = delete;
+		StackIsolation& operator=(const StackIsolation&) = delete;
+
+	private:
+		Game::VariableValue stack_[512]{};
+
+		Game::VariableValue* maxStack_;
+		Game::VariableValue* top_;
+		unsigned int inParamCount_;
+		unsigned int outParamCount_;
+	};
+}