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package moe.nea.firmament.features.macros
import kotlinx.serialization.Serializable
import net.minecraft.text.Text
import moe.nea.firmament.keybindings.SavedKeyBinding
import moe.nea.firmament.util.ErrorUtil
sealed interface KeyComboTrie {
val label: Text
companion object {
fun fromComboList(
combos: List<ComboKeyAction>,
): Branch {
val root = Branch(mutableMapOf())
for (combo in combos) {
var p = root
if (combo.keys.isEmpty()) {
ErrorUtil.softUserError("Key Combo for ${combo.action.label.string} is empty")
continue
}
for ((index, key) in combo.keys.withIndex()) {
val m = (p.nodes as MutableMap)
if (index == combo.keys.lastIndex) {
if (key in m) {
ErrorUtil.softUserError("Overlapping actions found for ${combo.keys.joinToString(" > ")} (another action ${m[key]} already exists).")
break
}
m[key] = Leaf(combo.action)
} else {
val c = m.getOrPut(key) { Branch(mutableMapOf()) }
if (c !is Branch) {
ErrorUtil.softUserError("Overlapping actions found for ${combo.keys} (final node exists at index $index) through another action already")
break
} else {
p = c
}
}
}
}
return root
}
}
}
@Serializable
data class ComboKeyAction(
val action: HotkeyAction,
val keys: List<SavedKeyBinding>,
)
data class Leaf(val action: HotkeyAction) : KeyComboTrie {
override val label: Text
get() = action.label
fun execute() {
action.execute()
}
}
data class Branch(
val nodes: Map<SavedKeyBinding, KeyComboTrie>
) : KeyComboTrie {
override val label: Text
get() = Text.literal("...") // TODO: better labels
}
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