core/src/ru/deadsoftware/cavedroid/game/ui/windows/inventory/AbstractInventoryWindow.kt

   1 package ru.deadsoftware.cavedroid.game.ui.windows.inventory
   2
   3 import ru.deadsoftware.cavedroid.game.GameItemsHolder
   4 import ru.deadsoftware.cavedroid.game.GameUiWindow
   5 import ru.deadsoftware.cavedroid.game.model.item.InventoryItem
   6 import ru.deadsoftware.cavedroid.game.model.item.InventoryItem.Companion.isNoneOrNull
   7
   8 abstract class AbstractInventoryWindow {
   9
  10     abstract val type: GameUiWindow
  11
  12     abstract var selectedItem: InventoryItem?
  13
  14     var selectItemPointer: Int = -1
  15
  16     fun onLeftCLick(
  17         items: MutableList<InventoryItem>,
  18         gameItemsHolder: GameItemsHolder,
  19         index: Int,
  20         pointer: Int = -1
  21     ) {
  22         if (selectedItem != null &&
  23             selectedItem?.item?.isNone() != true &&
  24             pointer >= 0 && selectItemPointer >= 0 &&
  25             pointer != selectItemPointer
  26         ) {
  27             return
  28         }
  29
  30         val clickedItem = items[index]
  31
  32         selectedItem?.let { selectedItem ->
  33             if (!clickedItem.isNoneOrNull() && items[index].item == selectedItem.item &&
  34                 items[index].amount + selectedItem.amount <= selectedItem.item.params.maxStack
  35             ) {
  36                 items[index].amount += selectedItem.amount
  37                 this@AbstractInventoryWindow.selectedItem = null
  38                 selectItemPointer = -1
  39                 return
  40             }
  41         }
  42
  43         val item = items[index]
  44         items[index] = selectedItem ?: gameItemsHolder.fallbackItem.toInventoryItem()
  45         selectedItem = item
  46         selectItemPointer = pointer
  47     }
  48
  49     fun onRightClick(items: MutableList<InventoryItem>, index: Int) {
  50         val clickedItem = items[index]
  51         val selectedItem = selectedItem
  52             ?.takeIf {
  53                 !clickedItem.isNoneOrNull() || clickedItem.item.isNone() ||
  54                         it.item == items[index].item && items[index].amount + 1 < it.item.params.maxStack
  55             }
  56             ?: return
  57
  58         val newItem = selectedItem.item.toInventoryItem(
  59             (clickedItem.takeIf { !it.item.isNone() }?.amount ?: 0) + 1
  60         )
  61         items[index] = newItem
  62         selectedItem.amount--
  63
  64         if (selectedItem.amount <= 0) {
  65             this@AbstractInventoryWindow.selectedItem = null
  66         }
  67     }
  68
  69 }