Initial commit: Item Interaction Ecosystem plugin (UE5.7)

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>

Docs/ExampleData/DT_ItemFeatures.csv

@@ -0,0 +1,10 @@
+Name,ItemId,Feature,Param,Value
+raw_meat_decay,raw_meat,Feature.Rotting,DecayRatePerHour,0.08
+raw_meat_rotten,raw_meat,Feature.Rotting,RottenItemId,rotten_meat
+raw_meat_smell,raw_meat,Feature.Smell,SmellWhenRotten,1.0
+flashlight_drain,flashlight,Feature.Battery,DrainPerSecond,0.003
+flashlight_break,flashlight,Feature.Durability,BreakOnImpactVelocity,800
+fuel_canister_max,fuel_canister,Feature.Fuel,MaxFuel,20
+fuel_canister_flammable,fuel_canister,Feature.Flammable,ExplosionRadius,500
+glass_bottle_noise,glass_bottle,Feature.NoiseOnDrop,Radius,1200
+car_battery_carry,car_battery,Feature.Installable,MoveSpeedMultiplier,0.6

Docs/ExampleData/DT_ItemInteractions.csv

@@ -0,0 +1,6 @@
+Name,ItemId,Context,ActionTag,InteractionMode,Priority,bRequiresHold,HoldDuration,ActionDuration,Requirement,Result
+car_battery_install,car_battery,Held+Vehicle,Action.Install,InstallIntoWorldSlot,1000,false,0,3,,InstallIntoSlot
+car_battery_install_gen,car_battery,Held+Generator,Action.Install,InstallIntoWorldSlot,1000,false,0,3,,InstallIntoSlot
+fuel_pour,fuel_canister,Held+Generator,Action.UseHeldOnTarget,UseHeldOnTarget,1000,true,0.3,5,FuelAmount>0,TransferFuel
+flashlight_equip,flashlight,Inventory,Action.Equip,EquipFromInventory,800,false,0,0,BatteryCharge>0,EquipItem
+raw_meat_bait,raw_meat,Held+Trap,Action.Install,InstallIntoWorldSlot,900,false,0,2,,InstallIntoSlot

Docs/ExampleData/DT_ItemProperties.csv

@@ -0,0 +1,8 @@
+Name,ItemId,PropertyTag,DefaultValue,Min,Max,ReplicationPolicy,bSave
+raw_meat_freshness,raw_meat,Property.Freshness,1.0,0,1,OwnerOnly,true
+raw_meat_contamination,raw_meat,Property.Contamination,0,0,1,OwnerOnly,true
+flashlight_battery,flashlight,Property.BatteryCharge,1.0,0,1,OwnerOnly,true
+axe_durability,axe,Property.Durability,1.0,0,1,OwnerOnly,true
+fuel_canister_fuel,fuel_canister,Property.FuelAmount,10.0,0,20,OwnerOnly,true
+car_battery_charge,car_battery,Property.Charge,0.65,0,1,OwnerOnly,true
+generator_fuel,generator_small,Property.FuelAmount,0,0,40,Everyone,true

Docs/ExampleData/DT_ItemRedirects.csv

@@ -0,0 +1,3 @@
+Name,OldItemId,NewItemId
+redirect_medkit,medkit,medkit_small
+redirect_flashlight,old_flashlight,flashlight

Docs/ExampleData/DT_Items.csv

@@ -0,0 +1,11 @@
+Name,ItemId,DisplayName,Description,ItemType,ItemTags,Icon,WorldMesh,PickupActorClass,EquippedActorClass,MaxStack,Weight,GridSize,bCanStoreInInventory,bCanInstantPickup,bCanWorldCarry,bCanEquip,bCanPlace,bCanInstallIntoWorldSlot,bCanDrop,bIsQuestCritical,DefaultInteraction,AlternativeInteraction,AllowedEquipmentSlots,CompatibleWorldSlots,ItemFeatures,PlacementRules
+ammo_9mm,ammo_9mm,9mm Ammo,,Item.Ammo.9mm,,,,,,60,0.01,"(X=1,Y=1)",true,true,false,false,false,false,true,false,Action.Pickup.Instant,,,,,
+medkit_small,medkit_small,Small Medkit,,Item.Medical.Medkit,,,,,,5,0.5,"(X=1,Y=1)",true,true,false,false,false,false,true,false,Action.Pickup.Instant,,,,,
+flashlight,flashlight,Flashlight,,Item.Tool.Flashlight,,,,,,1,0.4,"(X=1,Y=2)",true,true,true,true,false,false,true,false,Action.Pickup.Instant,,,,,
+raw_meat,raw_meat,Raw Meat,,Item.Food.Meat,,,,,,10,0.3,"(X=1,Y=1)",true,true,false,false,false,false,true,false,Action.Pickup.Instant,,,,,
+rotten_meat,rotten_meat,Rotten Meat,,Item.Food.Meat,,,,,,10,0.3,"(X=1,Y=1)",true,true,false,false,false,false,true,false,Action.Pickup.Instant,,,,,
+fuel_canister,fuel_canister,Fuel Canister,,Item.Resource.Fuel,,,,,,1,5,"(X=2,Y=2)",true,true,true,false,false,false,true,false,Action.Pickup.Instant,,,,,
+car_battery,car_battery,Car Battery,,Item.VehiclePart.Battery,,,,,,1,12,"(X=2,Y=2)",false,false,true,false,false,true,true,false,Action.Carry,,,"(GameplayTags=((TagName=""Vehicle.Socket.Battery""),(TagName=""Generator.Socket.Battery"")))",,
+generator_small,generator_small,Portable Generator,,Item.Device.Generator,,,,,,1,30,"(X=3,Y=3)",false,false,true,false,true,false,true,false,Action.Carry,,,,,
+trap_small,trap_small,Small Trap,,Item.Trap,,,,,,3,1.0,"(X=2,Y=1)",true,true,false,false,true,false,true,false,Action.Pickup.Instant,,,,,
+key_bunker_a,key_bunker_a,Bunker Key A,,Item.Key,,,,,,1,0.05,"(X=1,Y=1)",true,true,false,false,false,false,false,true,Action.Pickup.Instant,,,,,