Add game loop hook and outfit switch

src/Hook.cpp

@@ -6,6 +6,7 @@
 #include "instance/Instances.h"
 #include "game/Game.h"
 #include "render/Font.h"
+#include "game/GameLoop.h"
 
 // Modules
 #include "modules/MainMenu.h"
@@ -76,6 +77,8 @@ void Hook::PostInitialize()
 #ifndef TR8
 	Font::OnFlush(std::bind(&Hook::OnFrame, this));
 #endif
+
+	GameLoop::OnLoop(std::bind(&Hook::OnLoop, this));
 }
 
 void Hook::OnMessage(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
@@ -96,6 +99,14 @@ void Hook::OnFrame()
 	}
 }
 
+void Hook::OnLoop()
+{
+	for (auto& [hash, mod] : m_modules)
+	{
+		mod->OnLoop();
+	}
+}
+
 void Hook::OnDevice()
 {
 	// Assign the DeviceManager instance

src/Hook.h

@@ -21,6 +21,7 @@ class Hook
 
 	void OnMessage(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 	void OnFrame();
+	void OnLoop();
 
 public:
 	Hook();

src/game/Game.cpp

@@ -22,4 +22,18 @@ void GAMELOOP_RequestLevelChangeByName(char* name, GameTracker* gameTracker, int
 	auto addr = GET_ADDRESS(0x451970, 0xC61CFA, 0x5DF8C0);
 
 	Hooking::Call(addr, name, gameTracker, doneType);
+}
+
+void PLAYER_DebugSwitchPlayerCharacter()
+{
+	auto addr = GET_ADDRESS(0x5A40B0, 0x5A39A0, 0x79DB50);
+
+	Hooking::Call(addr);
+}
+
+int OBTABLE_GetObjectID(char* name)
+{
+	auto addr = GET_ADDRESS(0x462590, 0x465DE0, 0x5BF770);
+
+	return Hooking::CallReturn<int>(addr, name);
 }

src/game/Game.h

@@ -77,6 +77,11 @@ struct GameTracker
 	float timeDilation;
 
 	int debugTimeMult;
+
+	char pad2[752];
+
+	int currentPlayerObjectID;
+	int altPlayerObjectID;
 };
 #else
 struct GameTracker
@@ -143,8 +148,8 @@ struct GameTracker
 	int field_134;
 	int field_138;
 	int field_13C;
-	int field_140;
-	int field_144;
+	int currentPlayerObjectID;
+	int altPlayerObjectID;
 
 	float timeDilation;
 };
@@ -158,4 +163,7 @@ class Game
 	static STracker* GetStreamTracker();
 };
 
-void GAMELOOP_RequestLevelChangeByName(char* name, GameTracker* gameTracker, int doneType);
+void GAMELOOP_RequestLevelChangeByName(char* name, GameTracker* gameTracker, int doneType);
+
+void PLAYER_DebugSwitchPlayerCharacter();
+int OBTABLE_GetObjectID(char* name);

src/game/GameLoop.cpp

@@ -0,0 +1,25 @@
+#include <MinHook.h>
+
+#include "GameLoop.h"
+#include "Game.h"
+#include "util/Hooking.h"
+
+static std::function<void()> s_callback;
+static void(*s_GAMELOOP_Process)(GameTracker*);
+
+static void GAMELOOP_Process(GameTracker* gameTracker)
+{
+	s_callback();
+	s_GAMELOOP_Process(gameTracker);
+}
+
+void GameLoop::OnLoop(std::function<void()> callback)
+{
+	if (!s_callback)
+	{
+		MH_CreateHook((void*)GET_ADDRESS(0x452140, 0x454AC0, 0x5DFBE0), GAMELOOP_Process, (void**)&s_GAMELOOP_Process);
+		MH_EnableHook(MH_ALL_HOOKS);
+	}
+
+	s_callback = callback;
+}

src/game/GameLoop.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <functional>
+
+class GameLoop
+{
+public:
+	static void OnLoop(std::function<void()> callback);
+};

src/modules/MainMenu.cpp

@@ -28,6 +28,25 @@ void MainMenu::OnDraw()
 		BirthObject(object);
 	}
 
+	// Player
+	if (ImGui::CollapsingHeader("Player"))
+	{
+		static char outfit[64] = "";
+		ImGui::InputText("Outfit", outfit, sizeof(outfit));
+
+		if (ImGui::Button("Change"))
+		{
+			SwitchPlayerCharacter(outfit);
+		}
+
+		ImGui::SameLine();
+
+		if (ImGui::Button("Next"))
+		{
+			SwitchPlayerCharacter();
+		}
+	}
+
 	// Time
 	if (ImGui::CollapsingHeader("Time"))
 	{
@@ -57,8 +76,22 @@ void MainMenu::BirthObject(char* name)
 	INSTANCE_BirthObjectNoParent(game->StreamUnitID, &player->position, &player->rotation, nullptr, tracker->object, 0, 1);
 }
 
+void MainMenu::SwitchPlayerCharacter(char* name)
+{
+	auto game = Game::GetGameTracker();
+
+	if (name)
+	{
+		auto object = OBTABLE_GetObjectID(name);
+		game->altPlayerObjectID = object;
+	}
+
+	m_switchPlayerNextFrame = true;
+}
+
 void MainMenu::OnFrame()
 {
+	// Shows the watermark in th main menu
 	auto mainState = *(int*)GET_ADDRESS(0x10E5868, 0x838838, 0x000000);
 
 	if (mainState == MS_DISPLAY_MAIN_MENU)
@@ -70,6 +103,15 @@ void MainMenu::OnFrame()
 	}
 }
 
+void MainMenu::OnLoop()
+{
+	if (m_switchPlayerNextFrame)
+	{
+		m_switchPlayerNextFrame = false;
+		PLAYER_DebugSwitchPlayerCharacter();
+	}
+}
+
 void MainMenu::OnInput(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
 	auto gameTracker = Game::GetGameTracker();

src/modules/MainMenu.h

@@ -5,10 +5,14 @@
 class MainMenu : public Module
 {
 private:
+	bool m_switchPlayerNextFrame = false;
+
 	void BirthObject(char* name);
+	void SwitchPlayerCharacter(char* name = nullptr);
 
 public:
 	void OnDraw();
 	void OnFrame();
+	void OnLoop();
 	void OnInput(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
 };

src/modules/Module.h

@@ -14,6 +14,9 @@ class Module
 	// Called just before a frame ends, Font::Flush to be specific
 	virtual void OnFrame() { };
 
+	// Called every frame before the game loop
+	virtual void OnLoop() { };
+
 	// Called when a message is processed by the window procedure
 	virtual void OnInput(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { };
 };