UE4一个PlayerController控制多个Actor的问题
UE4中,一个PlayerController同时只能控制一个Actor,如果要实现RTS游戏中的那种多个Actor同时移动,需要Spawn出来多个Controller(PlayerController或者AIController等,具体看你需求),每个Controller去Possess一个Actor,然后通过控制这多个Controller来实现移动。
如何创建PlayerController,这个帖子讲了一种方式:
How do you place APlayerCharacter onto APlayerStart and take control?
https://forums.unrealengine.com/showthread.php?56494-How-do-you-place-APlayerCharacter-onto-APlayerStart-and-take-control
- In CreateLocalPlayer's case, the call chain you're looking for is:
- UGameInstance::CreateLocalPlayer
- ULocalPlayer::SpawnPlayActor
- UWorld::SpawnPlayActor
- AGameMode::PostLogin
- AGameMode::StartNewPlayer
- AGameMode::RestartPlayer
- AGameMode::GetDefaultPawnClassForController
相关代码:
- for( int32 a = 0; a < MaxPlayerCount; a++ )
- {
- ULocalPlayer* localPlayer;
- if( a == 0 )
- {
- localPlayer = gameInstance->GetFirstGamePlayer();
- }
- else
- {
- FString createLocalPlayerError;
- localPlayer = gameInstance->CreateLocalPlayer( a, createLocalPlayerError, true );
- }
- FString url;
- FString spawnPlayActorError;
- localPlayer->SpawnPlayActor( url, spawnPlayActorError, currentWorld );
- FURL urlSpawn2;
- FString spawnError;
- PostLogin( localPlayer->PlayerController );
- currentWorld->SpawnPlayActor( localPlayer, ENetRole::ROLE_None, urlSpawn2, localPlayer->GetUniqueNetIdFromCachedControllerId(), spawnError );
- StartNewPlayer( localPlayer->PlayerController );
- RestartPlayer( localPlayer->PlayerController );
- /*ABasePlayer* playerActor = ( ABasePlayer* )GetDefaultPawnClassForController( localPlayer->PlayerController );
- ABasePlayerController* playerController = ( ABasePlayerController* )localPlayer->PlayerController;
- playerController->SetUpInput( playerActor, a );*/
- }
但是上面的RestartPlayer找不到相关文档,怎么使用不是很清楚,另外一个替代RestartPlayer的方式:
http://aigo.iteye.com/blog/2285835
ULocalPlayer
https://docs.unrealengine.com/latest/INT/API/Runtime/Engine/Engine/ULocalPlayer/index.html
UWorld::SpawnPlayActor
https://docs.unrealengine.com/latest/INT/API/Runtime/Engine/Engine/UWorld/SpawnPlayActor/index.html
可参考官方的塔防项目:
https://docs.unrealengine.com/latest/INT/Resources/SampleGames/StrategyGame/index.html
另外一片关于UE4中实现RTS类型游戏移动逻辑的文档(蓝图):
RTS Movement and Basic Behaviors on Unreal Engine 4
http://blog.meltinglogic.com/2015/04/unreal-rts-rpg-movement-behaviors/
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