[cavedroid.git] / core / src / ru / deadsoftware / cavedroid / game / model / item / InventoryItem.kt
diff --git a/core/src/ru/deadsoftware/cavedroid/game/model/item/InventoryItem.kt b/core/src/ru/deadsoftware/cavedroid/game/model/item/InventoryItem.kt
index 1e1f43eeb85ad707d4851b045aa25c6ec4de46bc..f847f7d0e3dd4d1f19ed91ee37266d3355a218c0 100644 (file)
package ru.deadsoftware.cavedroid.game.model.item
+import com.badlogic.gdx.graphics.Color
+import com.badlogic.gdx.graphics.g2d.SpriteBatch
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer
import ru.deadsoftware.cavedroid.game.GameItemsHolder
+import ru.deadsoftware.cavedroid.game.mobs.player.Inventory
+import ru.deadsoftware.cavedroid.misc.Assets
+import ru.deadsoftware.cavedroid.misc.utils.drawSprite
+import ru.deadsoftware.cavedroid.misc.utils.drawString
+import ru.deadsoftware.cavedroid.misc.utils.px
import java.io.Serializable
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.contract
class InventoryItem @JvmOverloads constructor(
val itemKey: String,
- val amount: Int = 1,
+ _amount: Int = 1,
) : Serializable {
+ var amount = _amount
+ set(value) {
+ field = if (value < 0) {
+ 0
+ } else {
+ value
+ }
+ }
+
@Transient
lateinit var item: Item
private set
item = gameItemsHolder.getItem(itemKey)
}
+ @JvmOverloads
+ fun add(count: Int = 1) {
+ if (count > 0 && Int.MAX_VALUE - count < amount) {
+ throw IllegalArgumentException("$amount + $count exceeds Int.MAX_VALUE")
+ }
+
+ amount += count
+ }
+
+ @JvmOverloads
+ fun subtract(count: Int = 1) {
+ if (count < 0) {
+ throw IllegalArgumentException("Can't subtract negative amount")
+ }
+
+ add(-count)
+ }
+
+ @JvmOverloads
+ fun canBeAdded(count: Int = 1): Boolean {
+ return amount + count <= item.params.maxStack
+ }
+
+ private fun drawAmountText(spriteBatch: SpriteBatch, text: String, x: Float, y: Float) {
+ spriteBatch.drawString(text, x + 1, y + 1, Color.BLACK)
+ spriteBatch.drawString(text, x, y, Color.WHITE)
+ }
+
+ fun drawSelected(spriteBatch: SpriteBatch, x: Float, y: Float) {
+ if (item.isNone()) {
+ return
+ }
+
+ val sprite = item.sprite
+ val amountString = amount.toString()
+ spriteBatch.drawSprite(sprite, x - 10f, y - 10f, rotation = 0f, width = 20f, height = 20f)
+ drawAmountText(
+ spriteBatch = spriteBatch,
+ text = amountString,
+ x = x + 10f - Assets.getStringWidth(amountString) + 1f,
+ y = y + 10f - Assets.getStringHeight(amountString) + 1f
+ )
+ }
+
+ fun draw(spriteBatch: SpriteBatch, shapeRenderer: ShapeRenderer, x: Float, y: Float) {
+ if (item.isNone()) {
+ return
+ }
+
+ val sprite = item.sprite
+ val placeableMarginTop = (item as? Item.Placeable)?.block?.params?.spriteMargins?.top ?: 0
+ val placeableMarginLeft = (item as? Item.Placeable)?.block?.params?.spriteMargins?.left ?: 0
+ spriteBatch.drawSprite(sprite, x + placeableMarginLeft, y + placeableMarginTop)
+
+ if (amount < 2) {
+ return
+ }
+
+ if (item.isTool()) {
+ spriteBatch.end()
+ shapeRenderer.begin(ShapeRenderer.ShapeType.Filled)
+ shapeRenderer.color = Color.GREEN
+ shapeRenderer.rect(
+ /* x = */ x,
+ /* y = */ y + 1.px - 2,
+ /* width = */ 1.px * (amount.toFloat() / item.params.maxStack.toFloat()),
+ /* height = */ 2f
+ )
+ shapeRenderer.end()
+ spriteBatch.begin()
+ } else {
+ val amountString = amount.toString()
+ drawAmountText(
+ spriteBatch = spriteBatch,
+ text = amountString,
+ x = x + 1.px - Assets.getStringWidth(amountString),
+ y = y + 1.px - Assets.getStringHeight(amountString)
+ )
+ }
+ }
+
+ companion object {
+
+ @OptIn(ExperimentalContracts::class)
+ fun InventoryItem?.isNoneOrNull(): Boolean {
+ contract { returns(false) implies(this@isNoneOrNull != null) }
+ return this?.item == null || this.item.isNone()
+ }
+ }
}