void Update()
{
// Select item from hotkey slots
if (CrossPlatformInputManager.GetButtonDown("Fire1"))
{
itemSelected = inventoryGrid.GetHotkeyItem(MousePosToHotkey());
}
if (isGridEnabled)
{
/* Determine which item the mouse is hovering over */
int[] mouseCoords = MouseToTileCoords();
itemMouseHover = null;
if (mouseCoords[0] >= 0 && mouseCoords[1] >= 0)
{
Equipment item = inventoryGrid.ItemAtGridPoint(mouseCoords[0], mouseCoords[1]);
if (item)
{
itemMouseHover = item;
}
}
/* Select item from grid */
if (CrossPlatformInputManager.GetButtonDown("Fire1"))
{
if (itemMouseHover)
{
itemSelected = itemMouseHover;
}
}
/* Remove item from hotkey */
if (CrossPlatformInputManager.GetButtonDown("Fire2"))
{
inventoryGrid.SetHotkeyItem(MousePosToHotkey(), null);
}
/* Click-and-drag to move items around */
if (CrossPlatformInputManager.GetButtonDown("Fire1") && itemMouseHover)
{
itemMoving = itemMouseHover;
itemMovingDummy = new InventoryGridItem(itemMoving.inventoryGridItem);
// Set pixel coords offset (mouse pos - corner of item)
Rect corner = tileRects[itemMoving.inventoryGridItem.x, numTilesY - 1 - itemMoving.inventoryGridItem.y];
dummyOffsetPixels.x = Input.mousePosition.x - corner.center.x;
dummyOffsetPixels.y = Input.mousePosition.y - corner.center.y;
}
// Update dummy item's tile coords when user is moving an item around the grid
// If not on the grid, set to (-1, -1)
if (itemMoving)
{
int[] tileCoords = MouseToTileCoords_Unconstrained(Input.mousePosition - dummyOffsetPixels);
if (tileCoords[0] < 0 || tileCoords[0] > numTilesX - itemMovingDummy.width ||
tileCoords[1] < 0 || tileCoords[1] > numTilesY - itemMovingDummy.height)
{
itemMovingDummy.x = -1;
itemMovingDummy.y = -1;
}
else
{
itemMovingDummy.x = tileCoords[0];
itemMovingDummy.y = tileCoords[1];
}
}
// Attempt to drop an item off when user let's go after click-and-drag
if (CrossPlatformInputManager.GetButtonUp("Fire1"))
{
if (itemMoving)
{
// (1) Drop it into a new spot in the grid if it fits
bool moved = inventoryGrid.MoveItem(itemMoving, itemMovingDummy.x, itemMovingDummy.y);
// (2) If 1 didn't happen, drop it into a hotkey slot if possible
if (!moved)
{
moved = inventoryGrid.SetHotkeyItem(MousePosToHotkey(), itemMoving);
}
/*
* // (3) If 1 and 2 didn't happen, remove the item from the inventory and drop it in the world
* if (!moved) {
* inventoryGrid.DropItem(itemMoving);
* if (itemSelected = itemMoving)
* itemSelected = null;
* for (int i = 0; i < numHotkeys; i++)
* if (inventoryGrid.GetHotkeyItem(i) == itemMoving)
* inventoryGrid.SetHotkeyItem(i, null);
* }
*/
}
itemMoving = null;
itemMovingDummy = null;
}
}
// Double click to equip
if (itemSelected && Time.unscaledTime - timeLastClick <= doubleClickMaxDelay && itemLastClick == itemSelected)
{
inventoryGrid.SetCurrentItem(itemSelected);
}
timeLastClick = Time.unscaledTime;
itemLastClick = itemSelected;
}