Add predicate conditional

Author: lowercasebtw

README.md

@@ -13,6 +13,9 @@ A vanilla-like implementation of Optifine's CIT, shaped how I believe it would b
 - has_enchantments (if stack has all the listed enchantments/stored enchantments)
     - fields:
         - enchantments: List of enchantment identifier [REQUIRED]
+- predicate
+    - fields
+        - predicate: A item sub predicate [REQUIRED]
 
 #### Range Dispatch:
 
@@ -116,4 +119,30 @@ bone.json
 		}
 	}
 }
+```
+
+iron_sword.json
+
+```json
+{
+	"model": {
+		"type": "minecraft:condition",
+		"property": "chit:predicate",
+		"predicate": {
+			"minecraft:damage": {
+				"damage": {
+					"min": 125
+				}
+			}
+		},
+		"on_true": {
+			"type": "minecraft:model",
+			"model": "minecraft:item/stone_sword"
+		},
+		"on_false": {
+			"type": "minecraft:model",
+			"model": "minecraft:item/iron_sword"
+		}
+	}
+}
 ```

src/main/kotlin/btw/lowercase/chit/ChitClientMod.kt

@@ -2,6 +2,7 @@ package btw.lowercase.chit
 
 import btw.lowercase.chit.property.conditional.HasEnchantmentConditional
 import btw.lowercase.chit.property.conditional.HasEnchantmentsConditional
+import btw.lowercase.chit.property.conditional.PredicateConditional
 import btw.lowercase.chit.property.numeric.EnchantmentLevelNumeric
 import btw.lowercase.chit.property.select.RaritySelect
 import net.fabricmc.api.ClientModInitializer
@@ -20,9 +21,8 @@ object ChitClientMod : ClientModInitializer {
         // Components
         SelectItemModelProperties.ID_MAPPER.put(id("rarity"), RaritySelect.CODEC)
 
-        // Custom Data
-
         // Other
+        ConditionalItemModelProperties.ID_MAPPER.put(id("predicate"), PredicateConditional.CODEC)
     }
 
     fun id(path: String): ResourceLocation {

src/main/kotlin/btw/lowercase/chit/property/conditional/PredicateConditional.kt

@@ -0,0 +1,44 @@
+package btw.lowercase.chit.property.conditional
+
+import com.mojang.serialization.MapCodec
+import com.mojang.serialization.codecs.RecordCodecBuilder
+import net.minecraft.advancements.critereon.ItemSubPredicate
+import net.minecraft.advancements.critereon.SingleComponentItemPredicate
+import net.minecraft.client.multiplayer.ClientLevel
+import net.minecraft.client.renderer.item.properties.conditional.ConditionalItemModelProperty
+import net.minecraft.world.entity.LivingEntity
+import net.minecraft.world.item.ItemDisplayContext
+import net.minecraft.world.item.ItemStack
+
+class PredicateConditional(val predicate: Map<ItemSubPredicate.Type<*>, ItemSubPredicate>) :
+    ConditionalItemModelProperty {
+    companion object {
+        val CODEC = RecordCodecBuilder.mapCodec { instance ->
+            instance.group(
+                SingleComponentItemPredicate.CODEC.fieldOf("predicate").forGetter(PredicateConditional::predicate)
+            ).apply(instance, ::PredicateConditional)
+        }
+    }
+
+    override fun get(
+        stack: ItemStack,
+        clientLevel: ClientLevel?,
+        livingEntity: LivingEntity?,
+        layer: Int,
+        itemDisplayContext: ItemDisplayContext,
+    ): Boolean {
+        // TODO/NOTE: Enchantments/Potions have registry errors
+        // TODO/NOTE: Best to use the other conditional
+        for (entry in predicate.entries) {
+            if (!entry.value.matches(stack)) {
+                return false
+            }
+        }
+
+        return true
+    }
+
+    override fun type(): MapCodec<out ConditionalItemModelProperty?> {
+        return CODEC
+    }
+}