Add custom model predicates

Add regex support

Add and and or predicates

1 files changed, 28 insertions, 0 deletions

diff --git a/src/main/kotlin/moe/nea/firmament/features/texturepack/DisplayNamePredicate.kt b/src/main/kotlin/moe/nea/firmament/features/texturepack/DisplayNamePredicate.kt
new file mode 100644
index 0000000..373910a
--- /dev/null
+++ b/src/main/kotlin/moe/nea/firmament/features/texturepack/DisplayNamePredicate.kt
@@ -0,0 +1,28 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Linnea Gräf <nea@nea.moe>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package moe.nea.firmament.features.texturepack
+
+import com.google.gson.JsonElement
+import net.minecraft.item.ItemStack
+import net.minecraft.nbt.NbtElement
+import net.minecraft.nbt.NbtString
+
+data class DisplayNamePredicate(val stringMatcher: StringMatcher) : FirmamentModelPredicate {
+    override fun test(stack: ItemStack): Boolean {
+        val display = stack.getOrCreateSubNbt(ItemStack.DISPLAY_KEY)
+        return if (display.contains(ItemStack.NAME_KEY, NbtElement.STRING_TYPE.toInt()))
+            stringMatcher.matches(display.get(ItemStack.NAME_KEY) as NbtString)
+        else
+            false
+    }
+
+    object Parser : FirmamentModelPredicateParser {
+        override fun parse(jsonElement: JsonElement): FirmamentModelPredicate {
+            return DisplayNamePredicate(StringMatcher.parse(jsonElement))
+        }
+    }
+}