Add scheduler, add support for GSC method adding, command adding.

Some cleanup. Add exception handler.

src/game/game.cpp

@@ -2,6 +2,7 @@
 #include "game.hpp"
 
 #include <utils/hook.hpp>
+#include <utils/memory.hpp>
 
 namespace game
 {
@@ -22,11 +23,58 @@ namespace game
 		}
 	}
 
+	const char* Cmd_Argv(int index)
+	{
+		static const auto call_addr = SELECT(0x0, 0x435CE0);
+		const char* answer;
+
+		__asm
+		{
+			mov eax, index;
+			call call_addr;
+			mov answer, eax;
+		}
+
+		return answer;
+	}
+
+	unsigned int Cmd_Argc()
+	{
+		return cmd_args->argc[cmd_args->nesting];
+	}
+
+	void Cmd_AddCommand(const char* name, void(__cdecl* function)())
+	{
+		auto newCmd = utils::memory::allocate<game::cmd_function_s>();
+		auto name_dup = utils::memory::duplicate_string(name);
+
+		*newCmd = {};
+		newCmd->next = *game::cmd_functions;
+		newCmd->function = function;
+		newCmd->name = name_dup;
+
+		*game::cmd_functions = newCmd;
+	}
+
+	dvar_s* Dvar_RegisterInt(const char* name, int value, int min, int max, DvarFlags flags, const char* desc)
+	{
+		DvarLimits limits;
+		DvarValue dvar_value;
+		limits.integer.min = min;
+		limits.integer.max = max;
+		dvar_value.integer = value;
+		return Dvar_RegisterVariant(name, game::DVAR_TYPE_INT, flags, dvar_value, limits, desc);
+	}
+
+	dvar_s* Dvar_RegisterString(const char* name, const char* value, DvarFlags flags, const char* desc)
+	{
+		DvarLimits limits = {};
+		DvarValue dvar_value;
+		dvar_value.string = value;
+		return Dvar_RegisterVariant(name, game::DVAR_TYPE_STRING, flags, dvar_value, limits, desc);
+	}
+
 	namespace plutonium
 	{
-		bool is_up_to_date()
-		{
-			return true;
-		}
 	}
 }