core/src/ru/deadsoftware/cavedroid/game/model/item/Item.kt

   1 package ru.deadsoftware.cavedroid.game.model.item
   2
   3 import com.badlogic.gdx.graphics.g2d.Sprite
   4 import ru.deadsoftware.cavedroid.game.model.block.Block
   5 import ru.deadsoftware.cavedroid.game.model.block.Block as BlockModel
   6 import kotlin.contracts.ExperimentalContracts
   7 import kotlin.contracts.contract
   8
   9 @OptIn(ExperimentalContracts::class)
  10 sealed class Item {
  11
  12     abstract val params: CommonItemParams
  13     abstract val sprite: Sprite
  14
  15     override fun hashCode(): Int {
  16         return params.key.hashCode()
  17     }
  18
  19     override fun equals(other: Any?): Boolean {
  20         return params.key == (other as Item).params.key
  21     }
  22
  23     fun isNone(): Boolean {
  24         contract { returns(true) implies (this@Item is None) }
  25         return this is None
  26     }
  27
  28     fun isPlaceable(): Boolean {
  29         contract { returns(true) implies (this@Item is Placeable) }
  30         return this is Placeable
  31     }
  32
  33     fun isSlab(): Boolean {
  34         contract { returns(true) implies (this@Item is Slab) }
  35         return this is Slab
  36     }
  37
  38     fun isTool(): Boolean {
  39         contract { returns(true) implies (this@Item is Tool) }
  40         return this is Tool
  41     }
  42
  43     fun isShears(): Boolean {
  44         contract { returns(true) implies (this@Item is Shears) }
  45         return this is Shears
  46     }
  47
  48     fun isUsable(): Boolean {
  49         contract { returns(true) implies (this@Item is Placeable) }
  50         return this is Placeable
  51     }
  52
  53     @JvmOverloads
  54     fun toInventoryItem(amount: Int = 1): InventoryItem {
  55         return InventoryItem(this, amount)
  56     }
  57
  58     sealed class Tool : Item() {
  59         abstract val mobDamageMultiplier: Float
  60         abstract val blockDamageMultiplier: Float
  61         abstract val level: Int
  62     }
  63
  64     sealed class Usable : Item() {
  65         abstract val useActionKey: String
  66     }
  67
  68     sealed class Placeable : Item() {
  69         abstract val block: BlockModel
  70         override val sprite: Sprite get() = block.sprite
  71     }
  72
  73     data class None(
  74         override val params: CommonItemParams,
  75     ): Item() {
  76         override val sprite: Sprite
  77             get() = throw IllegalAccessException("Trying to get sprite of None")
  78     }
  79
  80     data class Block(
  81         override val params: CommonItemParams,
  82         override val block: BlockModel
  83     ) : Placeable()
  84
  85     data class Slab(
  86         override val params: CommonItemParams,
  87         val topPartBlock: BlockModel.Slab,
  88         val bottomPartBlock: BlockModel.Slab
  89     ) : Placeable() {
  90         override val block get() = bottomPartBlock
  91     }
  92
  93     data class Sword(
  94         override val params: CommonItemParams,
  95         override val sprite: Sprite,
  96         override val mobDamageMultiplier: Float,
  97         override val blockDamageMultiplier: Float,
  98         override val level: Int,
  99     ) : Tool()
 100
 101     data class Shovel(
 102         override val params: CommonItemParams,
 103         override val sprite: Sprite,
 104         override val mobDamageMultiplier: Float,
 105         override val blockDamageMultiplier: Float,
 106         override val level: Int,
 107     ) : Tool()
 108
 109     data class Axe(
 110         override val params: CommonItemParams,
 111         override val sprite: Sprite,
 112         override val mobDamageMultiplier: Float,
 113         override val blockDamageMultiplier: Float,
 114         override val level: Int,
 115     ) : Tool()
 116
 117     data class Pickaxe(
 118         override val params: CommonItemParams,
 119         override val sprite: Sprite,
 120         override val mobDamageMultiplier: Float,
 121         override val blockDamageMultiplier: Float,
 122         override val level: Int,
 123     ) : Tool()
 124
 125     data class Shears(
 126         override val params: CommonItemParams,
 127         override val sprite: Sprite,
 128         override val mobDamageMultiplier: Float,
 129         override val blockDamageMultiplier: Float,
 130         override val level: Int,
 131     ) : Tool()
 132
 133     data class Bucket(
 134         override val params: CommonItemParams,
 135         override val sprite: Sprite,
 136         override val useActionKey: String
 137     ) : Usable()
 138
 139 }