4 files changed, 109 insertions, 1 deletions
diff --git a/src/main/kotlin/features/debug/PowerUserTools.kt b/src/main/kotlin/features/debug/PowerUserTools.kt
index b682813..a549f7e 100644
--- a/src/main/kotlin/features/debug/PowerUserTools.kt
+++ b/src/main/kotlin/features/debug/PowerUserTools.kt
@@ -65,6 +65,7 @@ object PowerUserTools {
 		val highlightNonOverlayItems by toggle("highlight-non-overlay") { false }
 		val dontHighlightSemicolonItems by toggle("dont-highlight-semicolon-items") { false }
 		val showSlotNumbers by keyBindingWithDefaultUnbound("slot-numbers")
+		val autoCopyAnimatedSkins by toggle("copy-animated-skins") { false }
 	}
 
 	var lastCopiedStack: Pair<ItemStack, Text>? = null
diff --git a/src/main/kotlin/features/debug/SkinPreviews.kt b/src/main/kotlin/features/debug/SkinPreviews.kt
new file mode 100644
index 0000000..5c710a4
--- /dev/null
+++ b/src/main/kotlin/features/debug/SkinPreviews.kt
@@ -0,0 +1,101 @@
+package moe.nea.firmament.features.debug
+
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.buildJsonObject
+import kotlinx.serialization.json.put
+import kotlin.time.Duration.Companion.seconds
+import net.minecraft.component.DataComponentTypes
+import net.minecraft.component.type.ProfileComponent
+import net.minecraft.entity.EquipmentSlot
+import net.minecraft.entity.LivingEntity
+import net.minecraft.util.math.Vec3d
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.EntityUpdateEvent
+import moe.nea.firmament.events.IsSlotProtectedEvent
+import moe.nea.firmament.util.ClipboardUtils
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.TimeMark
+import moe.nea.firmament.util.extraAttributes
+import moe.nea.firmament.util.json.toJsonArray
+import moe.nea.firmament.util.math.GChainReconciliation.shortenCycle
+import moe.nea.firmament.util.mc.displayNameAccordingToNbt
+import moe.nea.firmament.util.mc.loreAccordingToNbt
+import moe.nea.firmament.util.rawSkyBlockId
+import moe.nea.firmament.util.toTicks
+import moe.nea.firmament.util.tr
+
+
+object SkinPreviews {
+
+	// TODO: add pet support
+	@Subscribe
+	fun onEntityUpdate(event: EntityUpdateEvent) {
+		if (!isRecording) return
+		if (event.entity.pos != pos)
+			return
+		val entity = event.entity as? LivingEntity ?: return
+		val stack = entity.getEquippedStack(EquipmentSlot.HEAD) ?: return
+		val profile = stack.get(DataComponentTypes.PROFILE) ?: return
+		if (!profile.isCompleted) {
+			lastDiscard = TimeMark.now()
+			animation.clear()
+			MC.sendChat(
+				tr(
+					"firmament.dev.skinpreviews.discarding",
+					"Encountered unloaded skin, discarding all previews skin frames."
+				)
+			)
+			return
+		}
+		if (profile == animation.lastOrNull()) return
+		animation.add(profile)
+		val shortened = animation.shortenCycle()
+		if (shortened.size <= (animation.size / 2).coerceAtLeast(1) && lastDiscard.passedTime() > 2.seconds) {
+			val tickEstimation = (lastDiscard.passedTime() / animation.size).toTicks()
+			val skinName = if (skinColor != null) "${skinId}_${skinColor?.uppercase()}" else skinId!!
+			val json =
+				buildJsonObject {
+					put("ticks", tickEstimation)
+					put(
+						"textures",
+						shortened.map {
+							it.gameProfile().id.toString() + ":" + it.properties()["textures"].first().value()
+						}.toJsonArray()
+					)
+				}
+			MC.sendChat(
+				tr(
+					"firmament.dev.skinpreviews.done",
+					"Observed a total of ${animation.size} elements, which could be shortened to a cycle of ${shortened.size}. Copying JSON array. Estimated ticks per frame: $tickEstimation."
+				)
+			)
+			isRecording = false
+			ClipboardUtils.setTextContent(JsonPrimitive(skinName).toString() + ":" + json.toString())
+		}
+	}
+
+	var animation = mutableListOf<ProfileComponent>()
+	var pos = Vec3d(-1.0, 72.0, -101.25)
+	var isRecording = false
+	var skinColor: String? = null
+	var skinId: String? = null
+	var lastDiscard = TimeMark.farPast()
+
+	@Subscribe
+	fun onActivate(event: IsSlotProtectedEvent) {
+		if (!PowerUserTools.TConfig.autoCopyAnimatedSkins) return
+		val lastLine = event.itemStack.loreAccordingToNbt.lastOrNull()?.string
+		if (lastLine != "Right-click to preview!" && lastLine != "Click to preview!") return
+		lastDiscard = TimeMark.now()
+		val stackName = event.itemStack.displayNameAccordingToNbt.string
+		if (stackName == "FIRE SALE!") {
+			skinColor = null
+			skinId = event.itemStack.rawSkyBlockId
+		} else {
+			skinColor = stackName
+		}
+		animation.clear()
+		isRecording = true
+		MC.sendChat(tr("firmament.dev.skinpreviews.start", "Starting to observe items"))
+	}
+}
diff --git a/src/main/kotlin/features/inventory/buttons/InventoryButton.kt b/src/main/kotlin/features/inventory/buttons/InventoryButton.kt
index 0a1121d..e31f4a0 100644
--- a/src/main/kotlin/features/inventory/buttons/InventoryButton.kt
+++ b/src/main/kotlin/features/inventory/buttons/InventoryButton.kt
@@ -10,6 +10,7 @@ import net.minecraft.client.gui.DrawContext
 import net.minecraft.command.CommandRegistryAccess
 import net.minecraft.command.argument.ItemStackArgumentType
 import net.minecraft.item.ItemStack
+import net.minecraft.item.Items
 import net.minecraft.resource.featuretoggle.FeatureFlags
 import net.minecraft.util.Identifier
 import moe.nea.firmament.repo.ExpensiveItemCacheApi
@@ -77,7 +78,7 @@ data class InventoryButton(
 					}
 				}
 			}
-			if (itemStack.isBroken)
+			if (itemStack.item == Items.PAINTING)
 				ErrorUtil.logError("created broken itemstack for inventory button $icon: $itemStack")
 			return itemStack
 		}
diff --git a/src/main/kotlin/util/TimeMark.kt b/src/main/kotlin/util/TimeMark.kt
index 4a076ac..112a727 100644
--- a/src/main/kotlin/util/TimeMark.kt
+++ b/src/main/kotlin/util/TimeMark.kt
@@ -2,6 +2,7 @@ package moe.nea.firmament.util
 
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.milliseconds
+import kotlin.time.DurationUnit
 
 class TimeMark private constructor(private val timeMark: Long) : Comparable<TimeMark> {
 	fun passedTime() =
@@ -50,3 +51,7 @@ class TimeMark private constructor(private val timeMark: Long) : Comparable<Time
 		return this.timeMark.compareTo(other.timeMark)
 	}
 }
+
+fun Duration.toTicks(): Long {
+	return toLong(DurationUnit.MILLISECONDS) / 50
+}