public void OnEndDrag(PointerEventData eventData)
{
// verify if user clicked left or right mouse button
if (Input.GetMouseButtonUp(0))
{
// trigger end drag event
itemEndDragEvent.Raise();
// Instruct Edit Party Screen to disable ActiveItemDrag state (true) because we might be in battle screen mode using item
// transform.root.Find("MiscUI").GetComponentInChildren<EditPartyScreen>(true).SetActiveState(EditPartyScreenActiveState.ActiveItemDrag, false);
// get Battle screen
// BattleScreen battleScreen = transform.root.Find("MiscUI").GetComponentInChildren<BattleScreen>(false);
// Verify if battle screen is active
//if (battleScreen != null)
//{
// // Instruct Battle screen to update units highlight
// battleScreen.SetHighlight();
//}
// reset item being dragged
itemBeingDragged = null;
// enable block raycasts, so item can be dragged again
GetComponent <CanvasGroup>().blocksRaycasts = true;
// verify if on drop was not triggered (parent has not changed)
if (transform.parent == outOfMaskParentTransform)
{
Debug.Log("Return to original position");
// change parent back to original
transform.SetParent(itemBeingDraggedSlot.transform);
// reset position to 0/0/0/0
// [ left - bottom ]
GetComponent <RectTransform>().offsetMin = new Vector2(0, 0);
// [ right - top ]
GetComponent <RectTransform>().offsetMax = new Vector2(0, 0);
}
else
{
// parent has changed
//// verify if previous parent was hero equipment slot
//if (ItemSlotDropHandler.Mode.HeroEquipment == itemBeingDraggedSlot.SlotMode)
//{
// // update unit info UI
// transform.root.Find("MiscUI/UnitInfoPanel").GetComponent<UnitInfoPanel>().ActivateAdvance(itemBeingDraggedSlot.GetComponentInParent<HeroEquipment>().LPartyUnit, UnitInfoPanel.Align.Right, false, UnitInfoPanel.ContentMode.Short);
//}
}
}
// verify if there is still item linked
if (LInventoryItem != null)
{
// verify if item has usages
if (LInventoryItem.IsUsable)
{
// update usages info, because it may be reduced, if item is usable
GetComponentInChildren <Text>().text = LInventoryItem.ItemName + LInventoryItem.GetUsagesInfo();
}
}
}
public void ExchangeWithSlotOnDrop(ItemSlotDropHandler destinationSlot)
{
// this is an item being dragged slot
// get item drag handler in destination slot
InventoryItemDragHandler destinationItemDragHandler = destinationSlot.GetComponentInChildren <InventoryItemDragHandler>();
// move item being dragged (source) into destination slot
InventoryItemDragHandler.itemBeingDragged.SetParent(destinationSlot);
// move destination drag handler into this slot
destinationItemDragHandler.SetParent(this);
// raise events
itemHasBeenDroppedIntoTheItemSlotEvent.Raise(this);
itemHasBeenDroppedIntoTheItemSlotEvent.Raise(destinationSlot);
}
//public void FillInEmptySlots()
//{
// // there should be at least minNumberOfSlots item slots present in UI
// // .. Change this to list and get only first-level items, non-recursive
// int numberOfItems = 0;
// if (transform.root.Find("MiscUI").GetComponentInChildren<EditPartyScreen>(false) != null)
// {
// foreach (Transform childTransform in GetComponentInParent<HeroPartyUI>().LHeroParty.transform)
// {
// // verify if this is InventoryItem
// if (childTransform.GetComponent<InventoryItem>() != null)
// // increment items count
// numberOfItems += 1;
// }
// }
// // verify if we are in battle screen mode
// else if (transform.root.Find("MiscUI").GetComponentInChildren<BattleScreen>(false) != null)
// {
// // get all usable items from party leader equipment
// foreach (Transform childTransform in GetComponentInParent<HeroPartyUI>().LHeroParty.GetPartyLeader().transform)
// {
// // get item
// InventoryItem inventoryItem = childTransform.GetComponent<InventoryItem>();
// // verify if there is an item
// if (inventoryItem != null)
// {
// // verify if item is in hero eqipment slot
// if (inventoryItem.CurrentHeroEquipmentSlot != HeroEquipmentSlots.None)
// {
// // increment items count
// numberOfItems += 1;
// }
// }
// }
// }
// else if (transform.root.Find("MiscUI").GetComponentInChildren<PartiesInfoPanel>(false) != null)
// {
// Debug.Log("Parties info panel is active, probably we are on map. Normally inventory should not be active in this case.");
// }
// else
// {
// Debug.LogWarning("Unknown active screen");
// }
// // get number of empty item slots
// int emptySlots = minNumberOfSlots - numberOfItems;
// // create an empty slot for each empty slot
// for (int i = 0; i < emptySlots; i++)
// {
// // create slot in items list
// AddSlot();
// }
//}
// on change - check similar function in HeroEquipment class
public void SetItemRepresentationInInventoryUI(InventoryItem inventoryItem, bool setCurrentItemEquipmentSlot = false)
{
// verify if this is InventoryItem
if (inventoryItem != null)
{
// create drag handler and slotTransform
InventoryItemDragHandler dragHandler = AddItemDragHandler(AddSlot(inventoryItem, setCurrentItemEquipmentSlot));
// link item to drag handler
dragHandler.LInventoryItem = inventoryItem;
// set item name in UI
dragHandler.GetComponentInChildren <Text>().text = inventoryItem.ItemName;
// verify if item has active modifiers
if (inventoryItem.IsUsable)
{
dragHandler.GetComponentInChildren <Text>().text += inventoryItem.GetUsagesInfo();
}
}
}
// on change - check similar function in PartyInventoryUI class
void SetItemRepresentationInEquipmentUI(InventoryItem inventoryItem)
{
// verify if this is InventoryItem
if (inventoryItem != null)
{
// create drag handler and slotTransform
InventoryItemDragHandler dragHandler = Instantiate(inventoryItemDragHandlerTemplate, GetEquipmentSlotByType(inventoryItem.CurrentHeroEquipmentSlot).transform).GetComponent <InventoryItemDragHandler>();
// link item to drag handler
dragHandler.LInventoryItem = inventoryItem;
// set item name in UI
dragHandler.GetComponentInChildren <Text>().text = inventoryItem.ItemName;
// verify if item has active modifiers
if (inventoryItem.IsUsable)
{
dragHandler.GetComponentInChildren <Text>().text += inventoryItem.GetUsagesInfo();
}
}
}
public void OnBeginDrag(PointerEventData eventData)
{
if (Input.GetMouseButton(0))
{
// Debug.Log("OnBeginDrag: left mouse");
// on left mouse drag
BringItemToFront();
itemBeingDragged = this;
//startPosition = transform.position;
itemBeingDraggedSlot = GetComponentInParent <ItemSlotDropHandler>();
// change parent outside of Mask, to PartyInventory, so that canvas is not affected by Mask UI component
// structure 4PartyInventory-3ItemsList-2Grid-1ItemSlot(Drop)-Item(Drag)
outOfMaskParentTransform = transform.parent.parent.parent.parent;
transform.SetParent(outOfMaskParentTransform);
// disable raycasts
GetComponent <CanvasGroup>().blocksRaycasts = false;
// trigger begin item drag event
itemBeginDragEvent.Raise();
// Instruct Edit Party Screen that item is being dragged
// transform.root.Find("MiscUI").GetComponentInChildren<EditPartyScreen>(true).SetActiveState(EditPartyScreenActiveState.ActiveItemDrag, true);
}
}
public override void MoveItemIntoThisSlot()
{
// Get source item slot transform
ItemSlotDropHandler srcItemSlot = InventoryItemDragHandler.itemBeingDragged.ItemBeindDraggedSlot;
// init exchange flag
//bool thisIsExachnge = false;
// Get item in this slot
InventoryItemDragHandler itemInThisSlot = GetComponentInChildren <InventoryItemDragHandler>();
// verify if there is no item already in this slot
if (itemInThisSlot != null)
{
//thisIsExachnge = true;
// Put item from this slot to the slot of the item beind dragged
srcItemSlot.PutItemIntoSlot(itemInThisSlot);
}
// Put dragged item into this slot
PutItemIntoSlot(InventoryItemDragHandler.itemBeingDragged);
//// verify if it was not exchange between 2 slots (means that we might need to fill in empty slots in source PartyInventoryUI)
//if (!thisIsExachnge)
//{
// // verify if source slot is in party inventory mode
// if ((srcItemSlot is InventorySlotDropHandler)
// // OR verify if source slot is equipment slot
// || ((srcItemSlot is EquipmentSlotDropHandler)
// // and that battle screen is active
// && (transform.root.Find("MiscUI").GetComponentInChildren<BattleScreen>(false) != null)))
// {
// // .. Optimize
// // Get source slot PartyInventoryUI (before slot is removed)
// PartyInventoryUI partyInventoryUI = srcItemSlot.GetComponentInParent<PartyInventoryUI>();
// // remove all empty slots in inventory
// partyInventoryUI.RemoveAllEmptySlots();
// // fill in empty slots in inventory
// partyInventoryUI.FillInEmptySlots();
// }
//}
}
public void PutItemIntoSlot(InventoryItemDragHandler itemBeingDragged)
{
// move item being dragged UI into this slot
itemBeingDragged.SetParent(this);
//// reset UI position to 0/0/0/0
//itemBeingDragged.transform.gameObject.GetComponent<RectTransform>().offsetMin = new Vector2(0, 0); // [ left - bottom ]
//itemBeingDragged.transform.gameObject.GetComponent<RectTransform>().offsetMax = new Vector2(0, 0); // [ right - top ]
//// verify if we are in edit party screen
//if (transform.root.Find("MiscUI").GetComponentInChildren<EditPartyScreen>(false) != null)
//{
// // move InventoryItem to the new parent object
// itemBeingDragged.LInventoryItem.transform.SetParent(GetParentObjectTransform());
//}
//// verify if we are in battle screen
//else if (transform.root.Find("MiscUI").GetComponentInChildren<BattleScreen>(false) != null)
//{
// // do not move InventoryItem to the new parent object, because this is item equipped on a hero
//}
//else
//{
// Debug.LogError("Unknonw active screen");
//}
//Debug.LogError("remove below");
// verify if this is hero eqiupment slot
//if (Mode.HeroEquipment == slotMode)
//{
// //itemHasBeenDroppedIntoEquipmentSlotEvent.Raise(this);
//}
//else
//{
// // Mode.PartyInventory
// itemHasBeenDroppedIntoInventorySlotEvent.Raise(this);
//}
// raise event
itemHasBeenDroppedIntoTheItemSlotEvent.Raise(this);
}
public override void MoveItemIntoThisSlot()
{
// Get source item slot transform
ItemSlotDropHandler srcItemSlot = InventoryItemDragHandler.itemBeingDragged.ItemBeindDraggedSlot;
// init exchange flag
//bool thisIsExachnge = false;
// init destination slot variable with this slot
ItemSlotDropHandler dstItemSlot = this;
// Get item in this slot
InventoryItemDragHandler itemInThisSlot = GetComponentInChildren <InventoryItemDragHandler>();
// verify if there is no item already in this slot
if (itemInThisSlot != null)
{
// verify if source is equipment slot and destination is party inventory slot
if (srcItemSlot is EquipmentSlotDropHandler)
{
// do not do exchange, just move item into inventory into the new slot
// create new slot and set it as destination
// reasons:
// we don't want to accidentally exchange boots with sword => in this case sword will appear in boots slot
// we don't want to accidentally exchange with the item which is cannot be used by this hero due to requirements (skills) not met.
dstItemSlot = GetComponentInParent <PartyInventoryUI>().AddSlot();
// Put dragged item into new slot
dstItemSlot.PutItemIntoSlot(InventoryItemDragHandler.itemBeingDragged);
}
else
{
//thisIsExachnge = true;
// Put item from this slot to the slot of the item beind dragged
srcItemSlot.ExchangeWithSlotOnDrop(this);
}
}
else
{
// Put dragged item into this slot
dstItemSlot.PutItemIntoSlot(InventoryItemDragHandler.itemBeingDragged);
}
//// verify if it was not just simple exchange
//if (!thisIsExachnge)
//{
// // verify if source slot is in party inventory mode
// if ( (srcItemSlot is InventorySlotDropHandler)
// // OR verify if source slot is equipment slot
// || ( (srcItemSlot is EquipmentSlotDropHandler)
// // and that battle screen is active
// && (transform.root.Find("MiscUI").GetComponentInChildren<BattleScreen>(false) != null) ) )
// {
// // .. Optimize
// // Get source slot PartyInventoryUI (before slot is removed)
// PartyInventoryUI partyInventoryUI = srcItemSlot.GetComponentInParent<PartyInventoryUI>();
// // remove all empty slots in inventory
// partyInventoryUI.RemoveAllEmptySlots();
// // fill in empty slots in inventory
// partyInventoryUI.FillInEmptySlots();
// }
// // verify if destination slot was changed to the other from this slot
// if (dstItemSlot.gameObject.GetInstanceID() != gameObject.GetInstanceID())
// {
// // trigger this party inventory reorganisation
// // remove all empty slots in this inventory
// GetComponentInParent<PartyInventoryUI>().RemoveAllEmptySlots();
// // fill in empty slots in inventory
// GetComponentInParent<PartyInventoryUI>().FillInEmptySlots();
// }
//}
}
