7f7e043a88
Server-authoritative, data-driven item/inventory/interaction/carry/equipment/ world-slot/placement/crafting framework. 8 modules, compiles against UE 5.7. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
// Copyright ExByte Studios. Item Interaction Ecosystem.
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#pragma once
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#include "CoreMinimal.h"
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#include "Engine/DataTable.h"
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#include "GameplayTagContainer.h"
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#include "ItemEnums.h"
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#include "ItemAuxiliaryRows.generated.h"
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/**
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* DT_ItemProperties row (section 6.2): default runtime property for an item.
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* Multiple rows share one ItemId, so the row name is arbitrary - the database
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* indexes these by ItemId.
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*/
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USTRUCT(BlueprintType)
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struct ITEMDATABASE_API FItemPropertyRow : public FTableRowBase
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Property")
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FName ItemId;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Property")
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FGameplayTag PropertyTag;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Property")
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float DefaultValue = 0.f;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Property")
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float Min = 0.f;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Property")
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float Max = 1.f;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Property")
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EItemPropertyReplicationPolicy ReplicationPolicy = EItemPropertyReplicationPolicy::OwnerOnly;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Property")
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bool bSave = true;
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};
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/**
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* DT_ItemFeatures row (section 6.3): one tunable parameter of a feature.
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* e.g. raw_meat | Rotting | DecayRatePerHour | 0.08
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* Value is stored as text so it can carry floats, ints or item ids uniformly.
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*/
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USTRUCT(BlueprintType)
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struct ITEMDATABASE_API FItemFeatureRow : public FTableRowBase
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Feature")
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FName ItemId;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Feature")
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FGameplayTag Feature;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Feature")
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FName Param;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Feature")
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FString Value;
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float GetFloat(float Fallback = 0.f) const
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{
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return Value.IsNumeric() ? FCString::Atof(*Value) : Fallback;
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}
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int32 GetInt(int32 Fallback = 0) const
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{
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return Value.IsNumeric() ? FCString::Atoi(*Value) : Fallback;
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}
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};
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/**
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* DT_ItemInteractions row (section 6.4): a data-driven interaction option.
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* The interaction resolver turns matching rows into FInteractionOptions.
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*/
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USTRUCT(BlueprintType)
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struct ITEMDATABASE_API FItemInteractionRow : public FTableRowBase
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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FName ItemId;
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/** Context filter, e.g. "World", "Inventory", "Held+Vehicle", "Held+Generator". */
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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FName Context;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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FGameplayTag ActionTag;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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EItemInteractionMode InteractionMode = EItemInteractionMode::None;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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int32 Priority = 0;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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bool bRequiresHold = false;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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float HoldDuration = 0.f;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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float ActionDuration = 0.f;
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/** Free-form requirement expression resolved by the requirement system (section 18). */
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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FString Requirement;
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/** Result verb, e.g. AddToInventory / HoldWorldItem / InstallIntoSlot / TransferFuel. */
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Interaction")
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FName Result;
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};
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/** DT_ItemRedirects row (section 26.1): maps a retired ItemId to its replacement. */
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USTRUCT(BlueprintType)
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struct ITEMDATABASE_API FItemRedirectRow : public FTableRowBase
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Redirect")
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FName OldItemId;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Redirect")
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FName NewItemId;
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};
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