374 lines
17 KiB
C#
374 lines
17 KiB
C#
using Aki.Reflection.Patching;
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using Aki.Reflection.Utils;
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using Comfort.Common;
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using EFT;
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using EFT.InventoryLogic;
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using EFT.UI.DragAndDrop;
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using HarmonyLib;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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namespace UIFixes
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{
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public class SwapPatch
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{
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// Types needed
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private static Type GridItemAddressType; // GClass2769
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private static FieldInfo GridItemAddressLocationInGridField;
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private static PropertyInfo GridItemAddressGridProperty;
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private static Type SlotItemAddressType; // GClass2767
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private static FieldInfo SlotItemAddressSlotField;
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private static Type CanAcceptOperationType; // GStruct413
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private static PropertyInfo CanAcceptOperationSucceededProperty;
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private static PropertyInfo CanAcceptOperationErrorProperty;
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private static Type SwapOperationType; // GStruct414
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private static MethodInfo SwapOperationToCanAcceptOperationOperator;
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// Source container for the drag - we have to grab this early to check it
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private static IContainer SourceContainer;
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private static FieldInfo GridViewNonInteractableField;
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// Whether we're being called from the "check every slot" loop
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private static bool InHighlight = false;
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// The most recent CheckItemFilter result
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private static string LastCheckItemFilterId;
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private static bool LastCheckItemFilterResult;
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public static void Enable()
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{
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GridItemAddressType = PatchConstants.EftTypes.First(t => typeof(ItemAddress).IsAssignableFrom(t) && t.GetProperty("Grid") != null); // GClass2769
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GridItemAddressLocationInGridField = AccessTools.Field(GridItemAddressType, "LocationInGrid");
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GridItemAddressGridProperty = AccessTools.Property(GridItemAddressType, "Grid");
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SlotItemAddressType = PatchConstants.EftTypes.First(t => typeof(ItemAddress).IsAssignableFrom(t) && t.GetField("Slot") != null); // GClass2767
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SlotItemAddressSlotField = AccessTools.Field(SlotItemAddressType, "Slot");
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CanAcceptOperationType = AccessTools.Method(typeof(GridView), "CanAccept").GetParameters()[2].ParameterType.GetElementType(); // GStruct413, parameter is a ref type, get underlying type
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CanAcceptOperationSucceededProperty = AccessTools.Property(CanAcceptOperationType, "Succeeded");
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CanAcceptOperationErrorProperty = AccessTools.Property(CanAcceptOperationType, "Error");
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SwapOperationType = AccessTools.Method(typeof(InteractionsHandlerClass), "Swap").ReturnType; // GStruct414<GClass2797>
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SwapOperationToCanAcceptOperationOperator = SwapOperationType.GetMethods().First(m => m.Name == "op_Implicit" && m.ReturnType == CanAcceptOperationType);
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GridViewNonInteractableField = AccessTools.Field(typeof(GridView), "_nonInteractable");
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new ItemViewOnDragPatch().Enable();
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new GridViewCanAcceptPatch().Enable();
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new GetHightLightColorPatch().Enable();
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new SlotViewCanAcceptPatch().Enable();
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new CheckItemFilterPatch().Enable();
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}
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private static bool InRaid()
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{
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bool? inRaid = Singleton<AbstractGame>.Instance?.InRaid;
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return inRaid.HasValue && inRaid.Value;
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}
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private static bool ValidPrerequisites(ItemContextClass itemContext, ItemContextAbstractClass targetItemContext, object operation)
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{
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if (!Settings.SwapItems.Value)
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{
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return false;
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}
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if (InHighlight || itemContext == null || targetItemContext == null || (bool)CanAcceptOperationSucceededProperty.GetValue(operation) == true)
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{
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return false;
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}
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if (itemContext.Item == targetItemContext.Item || targetItemContext.Item.GetAllParentItems().Contains(itemContext.Item))
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{
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return false;
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}
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// Check if the source container is a non-interactable GridView. Specifically for StashSearch, but may exist in other scenarios?
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if (SourceContainer != null && SourceContainer is GridView && (bool)GridViewNonInteractableField.GetValue(SourceContainer))
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{
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return false;
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}
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string error = CanAcceptOperationErrorProperty.GetValue(operation).ToString();
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if (Settings.SwapImpossibleContainers.Value && !InRaid() && error.StartsWith("No free room"))
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{
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// Check if it isn't allowed in that container, if so try to swap
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if (LastCheckItemFilterId == itemContext.Item.Id && !LastCheckItemFilterResult)
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{
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return true;
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}
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// Check if it would ever fit no matter what, if not try to swap
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if (!CouldEverFit(itemContext, targetItemContext))
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{
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return true;
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}
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}
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if (!error.StartsWith("Cannot add") && !error.StartsWith("Cannot apply") && error != "InventoryError/NoPossibleActions")
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{
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return false;
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}
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return true;
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}
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private static bool CouldEverFit(ItemContextClass itemContext, ItemContextAbstractClass containerItemContext)
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{
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Item item = itemContext.Item;
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LootItemClass container = containerItemContext.Item as LootItemClass;
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if (container == null)
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{
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return false;
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}
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var size = item.CalculateCellSize();
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var rotatedSize = item.CalculateRotatedSize(itemContext.ItemRotation == ItemRotation.Horizontal ? ItemRotation.Vertical : ItemRotation.Horizontal);
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foreach (StashGridClass grid in container.Grids)
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{
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if (size.X <= grid.GridWidth.Value && size.Y <= grid.GridHeight.Value ||
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rotatedSize.X <= grid.GridWidth.Value && rotatedSize.Y <= grid.GridHeight.Value)
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{
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return true;
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}
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}
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return false;
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}
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public class ItemViewOnDragPatch : ModulePatch
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{
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protected override MethodBase GetTargetMethod()
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{
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Type type = typeof(ItemView);
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return type.GetMethod("OnDrag");
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}
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[PatchPrefix]
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private static void Prefix(ItemView __instance)
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{
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SourceContainer = __instance.Container;
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}
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}
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public class GridViewCanAcceptPatch : ModulePatch
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{
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private static FieldInfo GridViewTraderControllerClassField;
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protected override MethodBase GetTargetMethod()
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{
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Type type = typeof(GridView);
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GridViewTraderControllerClassField = AccessTools.GetDeclaredFields(type).First(f => f.FieldType == typeof(TraderControllerClass));
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return type.GetMethod("CanAccept");
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}
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// Essentially doing what happens in StashGridClass.method_6, which checks if any of the squares are already taken
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// This looks at the squares taken by the two items and sees if any are the same
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private static bool ItemsOverlap(Item itemA, ItemAddress itemAddressA, Item itemB, ItemAddress itemAddressB)
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{
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if (itemAddressA.Container != itemAddressB.Container)
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{
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return false;
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}
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//if (itemAddressA is GClass2769 && itemAddressB is GClass2769)
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if (GridItemAddressType.IsInstanceOfType(itemAddressA) && GridItemAddressType.IsInstanceOfType(itemAddressB))
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{
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LocationInGrid locationA = GridItemAddressLocationInGridField.GetValue(itemAddressA) as LocationInGrid;
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LocationInGrid locationB = GridItemAddressLocationInGridField.GetValue(itemAddressB) as LocationInGrid;
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StashGridClass grid = GridItemAddressGridProperty.GetValue(itemAddressA) as StashGridClass;
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var itemASize = itemA.CalculateRotatedSize(locationA.r);
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var itemASlots = new List<int>();
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for (int y = 0; y < itemASize.Y; y++)
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{
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for (int x = 0; x < itemASize.X; x++)
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{
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itemASlots.Add((locationA.y + y) * grid.GridWidth.Value + locationA.x + x);
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}
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}
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var itemBSize = itemB.CalculateRotatedSize(locationB.r);
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for (int y = 0; y < itemBSize.Y; y++)
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{
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for (int x = 0; x < itemBSize.X; x++)
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{
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int num = (locationB.y + y) * grid.GridWidth.Value + locationB.x + x;
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if (itemASlots.Contains(num))
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{
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return true;
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}
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}
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}
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}
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return false;
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}
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[PatchPostfix]
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private static void Postfix(GridView __instance, ItemContextClass itemContext, ItemContextAbstractClass targetItemContext, ref object operation, ref bool __result, Dictionary<string, ItemView> ___dictionary_0)
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{
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if (!ValidPrerequisites(itemContext, targetItemContext, operation))
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{
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return;
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}
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Item item = itemContext.Item;
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Item targetItem = targetItemContext.Item;
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ItemAddress itemAddress = item.Parent;
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ItemAddress targetAddress = targetItem.Parent;
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if (targetAddress == null)
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{
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return;
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}
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// Repair kits are special
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ItemView targetItemView;
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if (___dictionary_0.TryGetValue(targetItem.Id, out targetItemView))
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{
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if (targetItemView.CanInteract(itemContext))
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{
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return;
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}
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}
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// This is the location you're dragging it over, including rotation
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LocationInGrid itemToLocation = __instance.CalculateItemLocation(itemContext);
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// This is a grid because we're in the GridView patch, i.e. you're dragging it over a grid
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ItemAddress itemToAddress = Activator.CreateInstance(GridItemAddressType, [GridItemAddressGridProperty.GetValue(targetAddress), itemToLocation]) as ItemAddress;
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ItemAddress targetToAddress;
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if (GridItemAddressType.IsInstanceOfType(itemAddress))
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{
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LocationInGrid targetToLocation = (GridItemAddressLocationInGridField.GetValue(itemAddress) as LocationInGrid).Clone();
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targetToLocation.r = (GridItemAddressLocationInGridField.GetValue(targetAddress) as LocationInGrid).r;
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StashGridClass grid = GridItemAddressGridProperty.GetValue(itemAddress) as StashGridClass;
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targetToAddress = Activator.CreateInstance(GridItemAddressType, [grid, targetToLocation]) as ItemAddress;
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}
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else if (SlotItemAddressType.IsInstanceOfType(itemAddress))
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{
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targetToAddress = Activator.CreateInstance(SlotItemAddressType, [SlotItemAddressSlotField.GetValue(itemAddress)]) as ItemAddress;
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}
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else
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{
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return;
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}
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// Get the TraderControllerClass
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TraderControllerClass traderControllerClass = GridViewTraderControllerClassField.GetValue(__instance) as TraderControllerClass;
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// Check that the destinations won't overlap (Swap won't check this)
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if (!ItemsOverlap(item, itemToAddress, targetItem, targetToAddress))
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{
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// Try original rotations
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var result = InteractionsHandlerClass.Swap(item, itemToAddress, targetItem, targetToAddress, traderControllerClass, true);
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operation = SwapOperationToCanAcceptOperationOperator.Invoke(null, [result]);
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__result = (bool)CanAcceptOperationSucceededProperty.GetValue(operation);
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if (result.Succeeded)
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{
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return;
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}
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}
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// If we're coming from a grid, try rotating the target object
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if (GridItemAddressType.IsInstanceOfType(itemAddress))
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{
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var targetToLocation = GridItemAddressLocationInGridField.GetValue(targetToAddress) as LocationInGrid;
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targetToLocation.r = targetToLocation.r == ItemRotation.Horizontal ? ItemRotation.Vertical : ItemRotation.Horizontal;
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if (!ItemsOverlap(item, itemToAddress, targetItem, targetToAddress))
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{
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var result = InteractionsHandlerClass.Swap(item, itemToAddress, targetItem, targetToAddress, traderControllerClass, true);
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if (result.Succeeded)
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{
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operation = SwapOperationToCanAcceptOperationOperator.Invoke(null, [result]);
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__result = true;
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return;
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}
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}
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}
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}
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}
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// Called when dragging an item onto an equipment slot
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// Handles any kind of ItemAddress as the target destination (aka where the dragged item came from)
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public class SlotViewCanAcceptPatch : ModulePatch
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{
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protected override MethodBase GetTargetMethod()
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{
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Type type = typeof(SlotView);
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return type.GetMethod("CanAccept");
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}
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[PatchPostfix]
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private static void Postfix(SlotView __instance, ItemContextClass itemContext, ItemContextAbstractClass targetItemContext, ref object operation, InventoryControllerClass ___InventoryController, ref bool __result)
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{
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if (!ValidPrerequisites(itemContext, targetItemContext, operation))
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{
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return;
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}
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var item = itemContext.Item;
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var targetItem = targetItemContext.Item;
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var itemToAddress = Activator.CreateInstance(SlotItemAddressType, [__instance.Slot]) as ItemAddress;
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var targetToAddress = item.Parent;
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var result = InteractionsHandlerClass.Swap(item, itemToAddress, targetItem, targetToAddress, ___InventoryController, true);
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if (result.Succeeded)
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{
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operation = SwapOperationToCanAcceptOperationOperator.Invoke(null, [result]);
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__result = true;
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}
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}
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}
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// The patched method here is called when iterating over all slots to highlight ones that the dragged item can interact with
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// Since swap has no special highlight, I just skip the patch here (minor perf savings, plus makes debugging a million times easier)
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public class GetHightLightColorPatch : ModulePatch
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{
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protected override MethodBase GetTargetMethod()
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{
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Type type = typeof(GridItemView);
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return type.GetMethod("method_12");
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}
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[PatchPrefix]
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private static void Prefix()
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{
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InHighlight = true;
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}
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[PatchPostfix]
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private static void Postfix()
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{
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InHighlight = false;
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}
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}
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// CanApply, when dealing with containers, eventually calls down into FindPlaceForItem, which calls CheckItemFilter. For reasons,
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// if an item fails the filters, it returns the error "no space", instead of "no action". Try to detect this, so we can swap.
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public class CheckItemFilterPatch : ModulePatch
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{
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protected override MethodBase GetTargetMethod()
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{
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Type type = PatchConstants.EftTypes.First(t => t.GetMethod("CheckItemFilter", BindingFlags.Public | BindingFlags.Static) != null); // GClass2510
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return AccessTools.Method(type, "CheckItemFilter");
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}
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[PatchPostfix]
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private static void Postfix(Item item, ref bool __result)
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{
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LastCheckItemFilterId = item.Id;
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LastCheckItemFilterResult = __result;
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}
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}
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}
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}
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