Working lean support

src/Components/Modules/Lean.cpp

@@ -25,6 +25,37 @@ namespace Components
 		Game::IN_KeyDown(&Lean::in_leanright);
 	}
 
+	void Lean::SetLeanFlags(Game::usercmd_s* cmds)
+	{
+		if (Lean::in_leanleft.active || Lean::in_leanleft.wasPressed)
+		{
+			cmds->buttons |= BUTTON_FLAG_LEANLEFT;
+		}
+
+		if (Lean::in_leanright.active || Lean::in_leanright.wasPressed)
+		{
+			cmds->buttons |= BUTTON_FLAG_LEANRIGHT;
+		}
+
+		Lean::in_leanleft.wasPressed = 0;
+		Lean::in_leanright.wasPressed = 0;
+	}
+
+	void __declspec(naked) Lean::CL_CmdButtonsStub()
+	{
+		__asm
+		{
+			// CL_CmdButtons
+			mov ecx, 5A6510h
+			call ecx
+
+			push esi
+			call Lean::SetLeanFlags
+			pop esi
+			retn
+		}
+	}
+
 	Lean::Lean()
 	{
 		Game::Cmd_AddCommand("+leanleft", Lean::IN_LeanLeft_Down, Command::Allocate(), 1);
@@ -33,6 +64,6 @@ namespace Components
 		Game::Cmd_AddCommand("+leanright", Lean::IN_LeanRight_Down, Command::Allocate(), 1);
 		Game::Cmd_AddCommand("-leanright", Lean::IN_LeanRight_Up, Command::Allocate(), 1);
 
-		// TODO: Transmit correct button flags in CL_CmdButtons and more?
+		Utils::Hook(0x5A6D84, Lean::CL_CmdButtonsStub, HOOK_CALL).Install()->Quick();
 	}
 }

src/Components/Modules/Lean.hpp

@@ -1,3 +1,6 @@
+#define BUTTON_FLAG_LEANLEFT 0x40
+#define BUTTON_FLAG_LEANRIGHT 0x80
+
 namespace Components
 {
 	class Lean : public Component
@@ -18,5 +21,8 @@ namespace Components
 
 		static void IN_LeanRight_Up();
 		static void IN_LeanRight_Down();
+
+		static void CL_CmdButtonsStub();
+		static void SetLeanFlags(Game::usercmd_s* cmds);
 	};
 }

src/Game/Structs.hpp

@@ -2436,6 +2436,22 @@ namespace Game
 		char spawnVarChars[2048];
 	};
 #pragma pack(pop)
+
+	// Probably incomplete or wrong!
+#pragma pack(push, 4)
+	struct usercmd_s
+	{
+		int serverTime;
+		int buttons;
+		char weapon;
+		char offHandIndex;
+		int angles[3];
+		char forwardmove;
+		char rightmove;
+		float meleeChargeYaw;
+		char meleeChargeDist;
+	};
+#pragma pack(pop)
 	
 		typedef char mapname_t[40];