143 lines
5.6 KiB
C++
143 lines
5.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Subsystems/WorldSubsystem.h"
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#include "GameplayTagContainer.h"
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#include "LyraTeamSubsystem.generated.h"
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class ALyraTeamInfoBase;
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class ALyraTeamPublicInfo;
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class ALyraTeamPrivateInfo;
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class ALyraPlayerState;
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class ULyraTeamDisplayAsset;
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DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnLyraTeamDisplayAssetChangedDelegate, const ULyraTeamDisplayAsset*, DisplayAsset);
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USTRUCT()
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struct FLyraTeamTrackingInfo
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{
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GENERATED_BODY()
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public:
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UPROPERTY()
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ALyraTeamPublicInfo* PublicInfo = nullptr;
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UPROPERTY()
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ALyraTeamPrivateInfo* PrivateInfo = nullptr;
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UPROPERTY()
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TObjectPtr<ULyraTeamDisplayAsset> DisplayAsset = nullptr;
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UPROPERTY()
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FOnLyraTeamDisplayAssetChangedDelegate OnTeamDisplayAssetChanged;
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public:
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void SetTeamInfo(ALyraTeamInfoBase* Info);
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void RemoveTeamInfo(ALyraTeamInfoBase* Info);
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};
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// Result of comparing the team affiliation for two actors
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UENUM(BlueprintType)
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enum class ELyraTeamComparison : uint8
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{
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// Both actors are members of the same team
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OnSameTeam,
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// The actors are members of opposing teams
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DifferentTeams,
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// One (or both) of the actors was invalid or not part of any team
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InvalidArgument
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};
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/** A subsystem for easy access to team information for team-based actors (e.g., pawns or player states) */
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UCLASS()
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class LYRAGAME_API ULyraTeamSubsystem : public UWorldSubsystem
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{
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GENERATED_BODY()
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public:
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ULyraTeamSubsystem();
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//~USubsystem interface
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virtual void Initialize(FSubsystemCollectionBase& Collection) override;
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virtual void Deinitialize() override;
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//~End of USubsystem interface
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void RegisterTeamInfo(ALyraTeamInfoBase* TeamInfo);
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void UnregisterTeamInfo(ALyraTeamInfoBase* TeamInfo);
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// Changes the team associated with this actor if possible
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// Note: This function can only be called on the authority
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bool ChangeTeamForActor(AActor* ActorToChange, int32 NewTeamId);
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// Returns the team this object belongs to, or INDEX_NONE if it is not part of a team
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int32 FindTeamFromObject(const UObject* TestObject) const;
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// Returns the associated player state for this actor, or INDEX_NONE if it is not associated with a player
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const ALyraPlayerState* FindPlayerStateFromActor(const AActor* PossibleTeamActor) const;
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// Returns the team this object belongs to, or INDEX_NONE if it is not part of a team
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UFUNCTION(BlueprintCallable, BlueprintPure=false, Category=Teams, meta=(Keywords="Get"))
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void FindTeamFromActor(const UObject* TestActor, bool& bIsPartOfTeam, int32& TeamId) const;
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// Compare the teams of two actors and returns a value indicating if they are on same teams, different teams, or one/both are invalid
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UFUNCTION(BlueprintCallable, BlueprintPure=false, Category=Teams, meta=(ExpandEnumAsExecs=ReturnValue))
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ELyraTeamComparison CompareTeams(const UObject* A, const UObject* B, int32& TeamIdA, int32& TeamIdB) const;
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// Compare the teams of two actors and returns a value indicating if they are on same teams, different teams, or one/both are invalid
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ELyraTeamComparison CompareTeams(const UObject* A, const UObject* B) const;
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// Returns true if the instigator can damage the target, taking into account the friendly fire settings
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bool CanCauseDamage(const UObject* Instigator, const UObject* Target, bool bAllowDamageToSelf = true) const;
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// Adds a specified number of stacks to the tag (does nothing if StackCount is below 1)
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UFUNCTION(BlueprintCallable, BlueprintAuthorityOnly, Category=Teams)
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void AddTeamTagStack(int32 TeamId, FGameplayTag Tag, int32 StackCount);
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// Removes a specified number of stacks from the tag (does nothing if StackCount is below 1)
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UFUNCTION(BlueprintCallable, BlueprintAuthorityOnly, Category=Teams)
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void RemoveTeamTagStack(int32 TeamId, FGameplayTag Tag, int32 StackCount);
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// Returns the stack count of the specified tag (or 0 if the tag is not present)
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UFUNCTION(BlueprintCallable, Category=Teams)
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int32 GetTeamTagStackCount(int32 TeamId, FGameplayTag Tag) const;
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// Returns true if there is at least one stack of the specified tag
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UFUNCTION(BlueprintCallable, Category=Teams)
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bool TeamHasTag(int32 TeamId, FGameplayTag Tag) const;
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// Returns true if the specified team exists
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UFUNCTION(BlueprintCallable, Category=Teams)
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bool DoesTeamExist(int32 TeamId) const;
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// Gets the team display asset for the specified team, from the perspective of the specified team
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// (You have to specify a viewer too, in case the game mode is in a 'local player is always blue team' sort of situation)
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UFUNCTION(BlueprintCallable, Category=Teams)
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ULyraTeamDisplayAsset* GetTeamDisplayAsset(int32 TeamId, int32 ViewerTeamId);
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// Gets the team display asset for the specified team, from the perspective of the specified team
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// (You have to specify a viewer too, in case the game mode is in a 'local player is always blue team' sort of situation)
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UFUNCTION(BlueprintCallable, Category = Teams)
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ULyraTeamDisplayAsset* GetEffectiveTeamDisplayAsset(int32 TeamId, UObject* ViewerTeamAgent);
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// Gets the list of teams
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UFUNCTION(BlueprintCallable, BlueprintPure=false, Category=Teams)
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TArray<int32> GetTeamIDs() const;
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// Called when a team display asset has been edited, causes all team color observers to update
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void NotifyTeamDisplayAssetModified(ULyraTeamDisplayAsset* ModifiedAsset);
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// Register for a team display asset notification for the specified team ID
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FOnLyraTeamDisplayAssetChangedDelegate& GetTeamDisplayAssetChangedDelegate(int32 TeamId);
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private:
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UPROPERTY()
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TMap<int32, FLyraTeamTrackingInfo> TeamMap;
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FDelegateHandle CheatManagerRegistrationHandle;
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};
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