core/src/main/kotlin/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 Usable) }
  50         return this is Usable
  51     }
  52
  53     fun isFood(): Boolean {
  54         contract { returns(true) implies (this@Item is Food) }
  55         return this is Food
  56     }
  57
  58     @JvmOverloads
  59     fun toInventoryItem(amount: Int = 1): InventoryItem {
  60         return InventoryItem(this, amount)
  61     }
  62
  63     data class Normal(
  64         override val params: CommonItemParams,
  65         override val sprite: Sprite
  66     ) : Item()
  67
  68     sealed class Tool : Item() {
  69         abstract val mobDamageMultiplier: Float
  70         abstract val blockDamageMultiplier: Float
  71         abstract val level: Int
  72     }
  73
  74     sealed class Placeable : Item() {
  75         abstract val block: BlockModel
  76         override val sprite: Sprite get() = block.sprite
  77     }
  78
  79     data class None(
  80         override val params: CommonItemParams,
  81     ): Item() {
  82         override val sprite: Sprite
  83             get() = throw IllegalAccessException("Trying to get sprite of None")
  84     }
  85
  86     data class Usable(
  87         override val params: CommonItemParams,
  88         override val sprite: Sprite,
  89         val useActionKey: String
  90     ) : Item()
  91
  92     data class Block(
  93         override val params: CommonItemParams,
  94         override val block: BlockModel
  95     ) : Placeable()
  96
  97     data class Slab(
  98         override val params: CommonItemParams,
  99         val topPartBlock: BlockModel.Slab,
 100         val bottomPartBlock: BlockModel.Slab
 101     ) : Placeable() {
 102         override val block get() = bottomPartBlock
 103     }
 104
 105     data class Sword(
 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 Shovel(
 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 Axe(
 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 Pickaxe(
 130         override val params: CommonItemParams,
 131         override val sprite: Sprite,
 132         override val mobDamageMultiplier: Float,
 133         override val blockDamageMultiplier: Float,
 134         override val level: Int,
 135     ) : Tool()
 136
 137     data class Shears(
 138         override val params: CommonItemParams,
 139         override val sprite: Sprite,
 140         override val mobDamageMultiplier: Float,
 141         override val blockDamageMultiplier: Float,
 142         override val level: Int,
 143     ) : Tool()
 144
 145     data class Food(
 146         override val params: CommonItemParams,
 147         override val sprite: Sprite,
 148         val heal: Int,
 149     ) : Item()
 150
 151 }