Add an option to enter vehicle as passenger

- Added ModMenuModule::Utils::EnterCarAsPassenger
- Added "Enter as passenger" button in ModMenuModule::VehiclesMenu

gta2-seuko-mod.vcxproj

@@ -516,6 +516,7 @@
     <ClInclude Include="src\modules\modmenu\utils\categorized-native-cheats-utils.h" />
     <ClInclude Include="src\modules\modmenu\utils\categorized-objects-utils.h" />
     <ClInclude Include="src\modules\modmenu\utils\custom-render-queue-utils.h" />
+    <ClInclude Include="src\modules\modmenu\utils\enter-car-as-passenger.h" />
     <ClInclude Include="src\modules\modmenu\utils\explode-all-cars.h" />
     <ClInclude Include="src\modules\modmenu\utils\explode-last-car.h" />
     <ClInclude Include="src\modules\modmenu\utils\fix-car-utils.h" />
@@ -820,6 +821,7 @@
     <ClCompile Include="src\modules\modmenu\utils\categorized-objects-utils.cpp" />
     <ClCompile Include="src\modules\modmenu\utils\custom-render-queue-utils.cpp" />
     <ClCompile Include="src\game\utils\teleport-utils.cpp" />
+    <ClCompile Include="src\modules\modmenu\utils\enter-car-as-passenger.cpp" />
     <ClCompile Include="src\modules\modmenu\utils\explode-all-cars.cpp" />
     <ClCompile Include="src\modules\modmenu\utils\explode-last-car.cpp" />
     <ClCompile Include="src\modules\modmenu\utils\fix-car-utils.cpp" />

gta2-seuko-mod.vcxproj.filters

@@ -236,6 +236,7 @@
     <ClCompile Include="src\modules\modmenu\menus\smooth-vehicle-camera-menu.cpp" />
     <ClCompile Include="src\modules\modmenu\menus\smooth-follow-camera-menu.cpp" />
     <ClCompile Include="src\modules\modmenu\quick-actions\toggle-smooth-camera.cpp" />
+    <ClCompile Include="src\modules\modmenu\utils\enter-car-as-passenger.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\converters\ammo.h" />
@@ -606,6 +607,7 @@
     <ClInclude Include="src\modules\modmenu\menus\smooth-vehicle-camera-menu.h" />
     <ClInclude Include="src\modules\modmenu\menus\smooth-follow-camera-menu.h" />
     <ClInclude Include="src\modules\modmenu\quick-actions\toggle-smooth-camera.h" />
+    <ClInclude Include="src\modules\modmenu\utils\enter-car-as-passenger.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="GTA2.props" />

src/modules/modmenu/menus/vehicles-menu.cpp

@@ -6,6 +6,7 @@
 #include "../cheats/last-car.h"
 #include "../cheats/disable-steering-assist.h"
 #include "../../../converters/yes-no.h"
+#include "../utils/enter-car-as-passenger.h"
 
 ModMenuModule::VehiclesMenu::VehiclesMenu()
 {
@@ -45,6 +46,11 @@ bool ModMenuModule::VehiclesMenu::Attach()
 		disableSteeringAssistCheat->SetEnabled(newValue);
 	});
 
+	// enter as passenger
+	auto* enterAsPassengerText = m_menuController->CreateItem<UiModule::Text>(vertCont, L"Enter as passenger", options.textSize);
+	auto* enterAsPassengerBtn = m_menuController->CreateLatestItemController<UiModule::ButtonController>(enterAsPassengerText);
+	enterAsPassengerBtn->SetCallback(std::bind(&VehiclesMenu::EnterAsPassenger, this));
+
 	SetPreviousSelectedIndex();
 
 	return true;
@@ -103,6 +109,15 @@ void ModMenuModule::VehiclesMenu::OnCheatStateChange(CheatStateEvent& event)
 	}
 }
 
+void ModMenuModule::VehiclesMenu::EnterAsPassenger() const
+{
+	bool success = Utils::EnterCarAsPassenger();
+
+	if (!success) {
+		ToastManager::GetInstance()->Show({ L"Failed to enter vehicle", ToastType::Warning });
+	}
+}
+
 void ModMenuModule::VehiclesMenu::UpdateLastCarState()
 {
 	if (!m_lastCarText) return;

src/modules/modmenu/menus/vehicles-menu.h

@@ -18,6 +18,7 @@ namespace ModMenuModule {
 		void OnMenuAction(UiModule::Selectable* item, UiModule::MenuItemId id) override;
 		void OnLastCarStateChange(ModMenuModule::LastCarStateEvent& event);
 		void OnCheatStateChange(CheatStateEvent& event);
+		void EnterAsPassenger() const;
 
 		void UpdateLastCarState();
 		void UpdateCheatStates();

src/modules/modmenu/utils/enter-car-as-passenger.cpp

@@ -0,0 +1,57 @@
+#include "enter-car-as-passenger.h"
+
+Game::Car* GetCarToEnterAsPassenger(Game::Ped* ped)
+{
+	if (!ped || !ped->gameObject || !ped->gameObject->sprite) return nullptr;
+
+	Game::TrafficManager* trafficManager = Game::Memory::GetTrafficManager();
+	if (!trafficManager) return nullptr;
+
+	// logic below is based on 0x004a76d0
+	if (ped->state == Game::PED_STATE_WASTED) return nullptr;
+	if (ped->currentCar) return nullptr;
+	if (ped->objective == Game::PED_OBJECTIVE_LEAVE_CAR) return nullptr;
+	return Game::Functions::GetNearestCarForEnter(
+		trafficManager, 
+		0, 
+		ped->gameObject->sprite, 3
+	);
+}
+
+static Game::byte GetDoorToEnterAsPassenger(Game::Car* car)
+{
+	Game::byte doorIndex = 1;
+	Game::Passenger* passenger = car->lastPassenger;
+	while (passenger) {
+		if (passenger->ped && passenger->ped->targetCarDoor == doorIndex) {
+			passenger = car->lastPassenger;
+			doorIndex++;
+		}
+		else {
+			passenger = passenger->prev;
+		}
+	}
+
+	return doorIndex;
+}
+
+bool ModMenuModule::Utils::EnterCarAsPassenger()
+{
+	Game::Ped* playerPed = Game::Utils::GetPlayerCurrentPed();
+	Game::Car* targetCar = GetCarToEnterAsPassenger(playerPed);
+	if (!targetCar) return false;
+
+	// logic below is based on 0x004a76d0
+	bool isTrain = Game::Functions::IsCarATrain(targetCar);
+	Game::PED_OBJECTIVE newObjective = isTrain ?
+		Game::PED_OBJECTIVE_ENTER_TRAIN :
+		Game::PED_OBJECTIVE_ENTER_CAR;
+
+	Game::Functions::UpdatePedStatesFromObjective(playerPed, 0, Game::PED_OBJECTIVE_NO_OBJ, 9999);
+	Game::Functions::PedSetObjective(playerPed, 0, newObjective, 9999);
+	playerPed->objectiveTargetCar = targetCar;
+	playerPed->enterCarAsPassenger = 1;
+	playerPed->targetCarDoor = GetDoorToEnterAsPassenger(targetCar);
+
+	return true;
+}

src/modules/modmenu/utils/enter-car-as-passenger.h

@@ -0,0 +1,6 @@
+#pragma once
+#include "../common.h"
+
+namespace ModMenuModule::Utils {
+	bool EnterCarAsPassenger();
+}