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     data class Normal(
  59         override val params: CommonItemParams,
  60         override val sprite: Sprite
  61     ) : Item()
  62
  63     sealed class Tool : Item() {
  64         abstract val mobDamageMultiplier: Float
  65         abstract val blockDamageMultiplier: Float
  66         abstract val level: Int
  67     }
  68
  69     sealed class Usable : Item() {
  70         abstract val useActionKey: String
  71     }
  72
  73     sealed class Placeable : Item() {
  74         abstract val block: BlockModel
  75         override val sprite: Sprite get() = block.sprite
  76     }
  77
  78     data class None(
  79         override val params: CommonItemParams,
  80     ): Item() {
  81         override val sprite: Sprite
  82             get() = throw IllegalAccessException("Trying to get sprite of None")
  83     }
  84
  85     data class Block(
  86         override val params: CommonItemParams,
  87         override val block: BlockModel
  88     ) : Placeable()
  89
  90     data class Slab(
  91         override val params: CommonItemParams,
  92         val topPartBlock: BlockModel.Slab,
  93         val bottomPartBlock: BlockModel.Slab
  94     ) : Placeable() {
  95         override val block get() = bottomPartBlock
  96     }
  97
  98     data class Sword(
  99         override val params: CommonItemParams,
 100         override val sprite: Sprite,
 101         override val mobDamageMultiplier: Float,
 102         override val blockDamageMultiplier: Float,
 103         override val level: Int,
 104     ) : Tool()
 105
 106     data class Shovel(
 107         override val params: CommonItemParams,
 108         override val sprite: Sprite,
 109         override val mobDamageMultiplier: Float,
 110         override val blockDamageMultiplier: Float,
 111         override val level: Int,
 112     ) : Tool()
 113
 114     data class Axe(
 115         override val params: CommonItemParams,
 116         override val sprite: Sprite,
 117         override val mobDamageMultiplier: Float,
 118         override val blockDamageMultiplier: Float,
 119         override val level: Int,
 120     ) : Tool()
 121
 122     data class Pickaxe(
 123         override val params: CommonItemParams,
 124         override val sprite: Sprite,
 125         override val mobDamageMultiplier: Float,
 126         override val blockDamageMultiplier: Float,
 127         override val level: Int,
 128     ) : Tool()
 129
 130     data class Shears(
 131         override val params: CommonItemParams,
 132         override val sprite: Sprite,
 133         override val mobDamageMultiplier: Float,
 134         override val blockDamageMultiplier: Float,
 135         override val level: Int,
 136     ) : Tool()
 137
 138     data class Bucket(
 139         override val params: CommonItemParams,
 140         override val sprite: Sprite,
 141         override val useActionKey: String
 142     ) : Usable()
 143
 144 }