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
  39     fun isTool(): Boolean {
  40         contract { returns(true) implies (this@Item is Tool) }
  41         return this is Tool
  42     }
  43
  44     fun isUsable(): Boolean {
  45         contract { returns(true) implies (this@Item is Placeable) }
  46         return this is Placeable
  47     }
  48
  49     @JvmOverloads
  50     fun toInventoryItem(amount: Int = 1): InventoryItem {
  51         return InventoryItem(this, amount)
  52     }
  53
  54     sealed class Tool : Item() {
  55         abstract val mobDamageMultiplier: Float
  56         abstract val blockDamageMultiplier: Float
  57         abstract val level: Int
  58     }
  59
  60     sealed class Usable : Item() {
  61         abstract val useActionKey: String
  62     }
  63
  64     sealed class Placeable : Item() {
  65         abstract val block: BlockModel
  66         override val sprite: Sprite get() = block.sprite
  67     }
  68
  69     data class None(
  70         override val params: CommonItemParams,
  71     ): Item() {
  72         override val sprite: Sprite
  73             get() = throw IllegalAccessException("Trying to get sprite of None")
  74     }
  75
  76     data class Block(
  77         override val params: CommonItemParams,
  78         override val block: BlockModel
  79     ) : Placeable()
  80
  81     data class Slab(
  82         override val params: CommonItemParams,
  83         val topPartBlock: BlockModel.Slab,
  84         val bottomPartBlock: BlockModel.Slab
  85     ) : Placeable() {
  86         override val block get() = bottomPartBlock
  87     }
  88
  89     data class Sword(
  90         override val params: CommonItemParams,
  91         override val sprite: Sprite,
  92         override val mobDamageMultiplier: Float,
  93         override val blockDamageMultiplier: Float,
  94         override val level: Int,
  95     ) : Tool()
  96
  97     data class Shovel(
  98         override val params: CommonItemParams,
  99         override val sprite: Sprite,
 100         override val mobDamageMultiplier: Float,
 101         override val blockDamageMultiplier: Float,
 102         override val level: Int,
 103     ) : Tool()
 104
 105     data class Axe(
 106         override val params: CommonItemParams,
 107         override val sprite: Sprite,
 108         override val mobDamageMultiplier: Float,
 109         override val blockDamageMultiplier: Float,
 110         override val level: Int,
 111     ) : Tool()
 112
 113     data class Pickaxe(
 114         override val params: CommonItemParams,
 115         override val sprite: Sprite,
 116         override val mobDamageMultiplier: Float,
 117         override val blockDamageMultiplier: Float,
 118         override val level: Int,
 119     ) : Tool()
 120
 121     data class Shears(
 122         override val params: CommonItemParams,
 123         override val sprite: Sprite,
 124         override val mobDamageMultiplier: Float,
 125         override val blockDamageMultiplier: Float,
 126         override val level: Int,
 127     ) : Tool()
 128
 129     data class Bucket(
 130         override val params: CommonItemParams,
 131         override val sprite: Sprite,
 132         override val useActionKey: String
 133     ) : Usable()
 134
 135 }