diff options
Diffstat (limited to 'src/main/kotlin/features/texturepack/predicates/ExtraAttributesPredicate.kt')
-rw-r--r-- | src/main/kotlin/features/texturepack/predicates/ExtraAttributesPredicate.kt | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/src/main/kotlin/features/texturepack/predicates/ExtraAttributesPredicate.kt b/src/main/kotlin/features/texturepack/predicates/ExtraAttributesPredicate.kt deleted file mode 100644 index 3c8023d..0000000 --- a/src/main/kotlin/features/texturepack/predicates/ExtraAttributesPredicate.kt +++ /dev/null @@ -1,271 +0,0 @@ - -package moe.nea.firmament.features.texturepack.predicates - -import com.google.gson.JsonArray -import com.google.gson.JsonElement -import com.google.gson.JsonObject -import com.google.gson.JsonPrimitive -import moe.nea.firmament.features.texturepack.FirmamentModelPredicate -import moe.nea.firmament.features.texturepack.FirmamentModelPredicateParser -import moe.nea.firmament.features.texturepack.StringMatcher -import net.minecraft.item.ItemStack -import net.minecraft.nbt.NbtByte -import net.minecraft.nbt.NbtCompound -import net.minecraft.nbt.NbtDouble -import net.minecraft.nbt.NbtElement -import net.minecraft.nbt.NbtFloat -import net.minecraft.nbt.NbtInt -import net.minecraft.nbt.NbtList -import net.minecraft.nbt.NbtLong -import net.minecraft.nbt.NbtShort -import net.minecraft.nbt.NbtString -import moe.nea.firmament.util.extraAttributes - -fun interface NbtMatcher { - fun matches(nbt: NbtElement): Boolean - - object Parser { - fun parse(jsonElement: JsonElement): NbtMatcher? { - if (jsonElement is JsonPrimitive) { - if (jsonElement.isString) { - val string = jsonElement.asString - return MatchStringExact(string) - } - if (jsonElement.isNumber) { - return MatchNumberExact(jsonElement.asLong) //TODO: parse generic number - } - } - if (jsonElement is JsonObject) { - var encounteredParser: NbtMatcher? = null - for (entry in ExclusiveParserType.entries) { - val data = jsonElement[entry.key] ?: continue - if (encounteredParser != null) { - // TODO: warn - return null - } - encounteredParser = entry.parse(data) ?: return null - } - return encounteredParser - } - return null - } - - enum class ExclusiveParserType(val key: String) { - STRING("string") { - override fun parse(element: JsonElement): NbtMatcher? { - return MatchString(StringMatcher.parse(element)) - } - }, - INT("int") { - override fun parse(element: JsonElement): NbtMatcher? { - return parseGenericNumber(element, - { it.asInt }, - { (it as? NbtInt)?.intValue() }, - { a, b -> - if (a == b) Comparison.EQUAL - else if (a < b) Comparison.LESS_THAN - else Comparison.GREATER - }) - } - }, - FLOAT("float") { - override fun parse(element: JsonElement): NbtMatcher? { - return parseGenericNumber(element, - { it.asFloat }, - { (it as? NbtFloat)?.floatValue() }, - { a, b -> - if (a == b) Comparison.EQUAL - else if (a < b) Comparison.LESS_THAN - else Comparison.GREATER - }) - } - }, - DOUBLE("double") { - override fun parse(element: JsonElement): NbtMatcher? { - return parseGenericNumber(element, - { it.asDouble }, - { (it as? NbtDouble)?.doubleValue() }, - { a, b -> - if (a == b) Comparison.EQUAL - else if (a < b) Comparison.LESS_THAN - else Comparison.GREATER - }) - } - }, - LONG("long") { - override fun parse(element: JsonElement): NbtMatcher? { - return parseGenericNumber(element, - { it.asLong }, - { (it as? NbtLong)?.longValue() }, - { a, b -> - if (a == b) Comparison.EQUAL - else if (a < b) Comparison.LESS_THAN - else Comparison.GREATER - }) - } - }, - SHORT("short") { - override fun parse(element: JsonElement): NbtMatcher? { - return parseGenericNumber(element, - { it.asShort }, - { (it as? NbtShort)?.shortValue() }, - { a, b -> - if (a == b) Comparison.EQUAL - else if (a < b) Comparison.LESS_THAN - else Comparison.GREATER - }) - } - }, - BYTE("byte") { - override fun parse(element: JsonElement): NbtMatcher? { - return parseGenericNumber(element, - { it.asByte }, - { (it as? NbtByte)?.byteValue() }, - { a, b -> - if (a == b) Comparison.EQUAL - else if (a < b) Comparison.LESS_THAN - else Comparison.GREATER - }) - } - }, - ; - - abstract fun parse(element: JsonElement): NbtMatcher? - } - - enum class Comparison { - LESS_THAN, EQUAL, GREATER - } - - inline fun <T : Any> parseGenericNumber( - jsonElement: JsonElement, - primitiveExtractor: (JsonPrimitive) -> T?, - crossinline nbtExtractor: (NbtElement) -> T?, - crossinline compare: (T, T) -> Comparison - ): NbtMatcher? { - if (jsonElement is JsonPrimitive) { - val expected = primitiveExtractor(jsonElement) ?: return null - return NbtMatcher { - val actual = nbtExtractor(it) ?: return@NbtMatcher false - compare(actual, expected) == Comparison.EQUAL - } - } - if (jsonElement is JsonObject) { - val minElement = jsonElement.getAsJsonPrimitive("min") - val min = if (minElement != null) primitiveExtractor(minElement) ?: return null else null - val minExclusive = jsonElement.get("minExclusive")?.asBoolean ?: false - val maxElement = jsonElement.getAsJsonPrimitive("max") - val max = if (maxElement != null) primitiveExtractor(maxElement) ?: return null else null - val maxExclusive = jsonElement.get("maxExclusive")?.asBoolean ?: true - if (min == null && max == null) return null - return NbtMatcher { - val actual = nbtExtractor(it) ?: return@NbtMatcher false - if (max != null) { - val comp = compare(actual, max) - if (comp == Comparison.GREATER) return@NbtMatcher false - if (comp == Comparison.EQUAL && maxExclusive) return@NbtMatcher false - } - if (min != null) { - val comp = compare(actual, min) - if (comp == Comparison.LESS_THAN) return@NbtMatcher false - if (comp == Comparison.EQUAL && minExclusive) return@NbtMatcher false - } - return@NbtMatcher true - } - } - return null - - } - } - - class MatchNumberExact(val number: Long) : NbtMatcher { - override fun matches(nbt: NbtElement): Boolean { - return when (nbt) { - is NbtByte -> nbt.byteValue().toLong() == number - is NbtInt -> nbt.intValue().toLong() == number - is NbtShort -> nbt.shortValue().toLong() == number - is NbtLong -> nbt.longValue().toLong() == number - else -> false - } - } - - } - - class MatchStringExact(val string: String) : NbtMatcher { - override fun matches(nbt: NbtElement): Boolean { - return nbt is NbtString && nbt.asString() == string - } - - override fun toString(): String { - return "MatchNbtStringExactly($string)" - } - } - - class MatchString(val string: StringMatcher) : NbtMatcher { - override fun matches(nbt: NbtElement): Boolean { - return nbt is NbtString && string.matches(nbt.asString()) - } - - override fun toString(): String { - return "MatchNbtString($string)" - } - } -} - -data class ExtraAttributesPredicate( - val path: NbtPrism, - val matcher: NbtMatcher, -) : FirmamentModelPredicate { - - object Parser : FirmamentModelPredicateParser { - override fun parse(jsonElement: JsonElement): FirmamentModelPredicate? { - if (jsonElement !is JsonObject) return null - val path = jsonElement.get("path") ?: return null - val pathSegments = if (path is JsonArray) { - path.map { (it as JsonPrimitive).asString } - } else if (path is JsonPrimitive && path.isString) { - path.asString.split(".") - } else return null - val matcher = NbtMatcher.Parser.parse(jsonElement.get("match") ?: jsonElement) - ?: return null - return ExtraAttributesPredicate(NbtPrism(pathSegments), matcher) - } - } - - override fun test(stack: ItemStack): Boolean { - return path.access(stack.extraAttributes) - .any { matcher.matches(it) } - } -} - -class NbtPrism(val path: List<String>) { - override fun toString(): String { - return "Prism($path)" - } - fun access(root: NbtElement): Collection<NbtElement> { - var rootSet = mutableListOf(root) - var switch = mutableListOf<NbtElement>() - for (pathSegment in path) { - if (pathSegment == ".") continue - for (element in rootSet) { - if (element is NbtList) { - if (pathSegment == "*") - switch.addAll(element) - val index = pathSegment.toIntOrNull() ?: continue - if (index !in element.indices) continue - switch.add(element[index]) - } - if (element is NbtCompound) { - if (pathSegment == "*") - element.keys.mapTo(switch) { element.get(it)!! } - switch.add(element.get(pathSegment) ?: continue) - } - } - val temp = switch - switch = rootSet - rootSet = temp - switch.clear() - } - return rootSet - } -} |