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package moe.nea.caelo.optifine
import moe.nea.caelo.CaeloCommand
import moe.nea.caelo.config.CConfig
import moe.nea.caelo.event.NeaTickEvent
import moe.nea.caelo.util.Histogram
import moe.nea.caelo.util.MC
import net.minecraft.item.ItemStack
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
import net.optifine.CustomItemProperties
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable
object OptifineCustomItemCache {
init {
CaeloCommand.subcommand("opticache") { args ->
val cache = cacheSizeHistory.lastOrNull() ?: CacheStats()
MC.display("OptiCache stats:")
MC.display("- History: §3${cacheSizeHistory.size}")
MC.display("- Misses: §c${cache.cacheMisses}")
MC.display("- Hits: §a${cache.cacheHits}")
MC.display("- Entries: §b${cache.uniquePropertyBearingStacks}")
}
}
class CacheKey(val itemStack: ItemStack, val type: Int) {
override fun equals(other: Any?): Boolean {
if (other !is CacheKey) return false
return itemStack === other.itemStack && type == other.type
}
override fun hashCode(): Int {
return System.identityHashCode(itemStack) + type * 31
}
}
data class CacheStats(
var cacheHits: Int = 0,
var cacheMisses: Int = 0,
var uniquePropertyBearingStacks: Int = 0,
)
private val map = mutableMapOf<CacheKey, CustomItemProperties?>()
private val cacheSizeHistory = Histogram<CacheStats>(1000)
private var cacheStats = CacheStats()
@SubscribeEvent
fun onTick(event: NeaTickEvent) {
cacheSizeHistory.append(cacheStats)
cacheStats = CacheStats()
map.clear()
}
@JvmStatic
fun retrieveCacheHit(
itemStack: ItemStack,
type: Int,
cir: CallbackInfoReturnable<CustomItemProperties?>
) {
if (!CConfig.config.optiCache.citCache)
return
val key = CacheKey(itemStack, type)
if (!map.containsKey(key)) {
cacheStats.cacheMisses++
return
}
cacheStats.cacheHits++
cir.returnValue = map[key]
}
@JvmStatic
fun storeCustomItemProperties(itemStack: ItemStack, type: Int, cip: CustomItemProperties) {
map[CacheKey(itemStack, type)] = cip
cacheStats.uniquePropertyBearingStacks++
}
@JvmStatic
fun storeNoCustomItemProperties(itemStack: ItemStack, type: Int) {
map[CacheKey(itemStack, type)] = null
}
}
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