Add custom inventory text color texture pack support

src/main/java/moe/nea/firmament/mixins/ReplaceTextColorInHandledScreen.java

@@ -0,0 +1,43 @@
+package moe.nea.firmament.mixins;
+
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import moe.nea.firmament.features.texturepack.CustomTextColors;
+import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.ingame.AnvilScreen;
+import net.minecraft.client.gui.screen.ingame.BeaconScreen;
+import net.minecraft.client.gui.screen.ingame.CreativeInventoryScreen;
+import net.minecraft.client.gui.screen.ingame.HandledScreen;
+import net.minecraft.client.gui.screen.ingame.InventoryScreen;
+import net.minecraft.client.gui.screen.ingame.MerchantScreen;
+import net.minecraft.text.Text;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin({HandledScreen.class, InventoryScreen.class, CreativeInventoryScreen.class, MerchantScreen.class,
+	AnvilScreen.class, BeaconScreen.class})
+public class ReplaceTextColorInHandledScreen {
+
+	@WrapOperation(
+		method = "drawForeground",
+		at = @At(
+			value = "INVOKE",
+			target = "Lnet/minecraft/client/gui/DrawContext;drawText(Lnet/minecraft/client/font/TextRenderer;Lnet/minecraft/text/Text;IIIZ)I"),
+		expect = 0)
+	private int replaceTextColorWithVariableShadow(DrawContext instance, TextRenderer textRenderer, Text text, int x, int y, int color, boolean shadow, Operation<Integer> original) {
+		return original.call(instance, textRenderer, text, x, y, CustomTextColors.INSTANCE.mapTextColor(text, color), shadow);
+	}
+
+	@WrapOperation(
+		method = "drawForeground",
+		at = @At(
+			value = "INVOKE",
+			target = "Lnet/minecraft/client/gui/DrawContext;drawTextWithShadow(Lnet/minecraft/client/font/TextRenderer;Lnet/minecraft/text/Text;III)I"),
+		expect = 0)
+	private int replaceTextColorWithShadow(DrawContext instance, TextRenderer textRenderer, Text text, int x, int y, int color, Operation<Integer> original) {
+		return original.call(instance, textRenderer, text, x, y, CustomTextColors.INSTANCE.mapTextColor(text, color));
+	}
+
+}

src/main/kotlin/features/texturepack/CustomSkyBlockTextures.kt

@@ -35,6 +35,7 @@ object CustomSkyBlockTextures : FirmamentFeature {
         val enableArmorOverrides by toggle("armor-overrides") { true }
         val enableBlockOverrides by toggle("block-overrides") { true }
         val enableLegacyCIT by toggle("legacy-cit") { true }
+        val allowRecoloringUiText by toggle("recolor-text") { true }
     }
 
     override val config: ManagedConfig

src/main/kotlin/features/texturepack/CustomTextColors.kt

@@ -0,0 +1,66 @@
+package moe.nea.firmament.features.texturepack
+
+import java.util.Optional
+import kotlinx.serialization.Serializable
+import kotlin.jvm.optionals.getOrNull
+import net.minecraft.resource.ResourceManager
+import net.minecraft.resource.SinglePreparationResourceReloader
+import net.minecraft.text.Text
+import net.minecraft.util.Identifier
+import net.minecraft.util.profiler.Profiler
+import moe.nea.firmament.Firmament
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.FinalizeResourceManagerEvent
+import moe.nea.firmament.util.collections.WeakCache
+
+object CustomTextColors : SinglePreparationResourceReloader<CustomTextColors.TextOverrides?>() {
+	@Serializable
+	data class TextOverrides(
+		val defaultColor: Int,
+		val overrides: List<TextOverride> = listOf()
+	)
+
+	@Serializable
+	data class TextOverride(
+		val predicate: StringMatcher,
+		val override: Int,
+	)
+
+	@Subscribe
+	fun registerTextColorReloader(event: FinalizeResourceManagerEvent) {
+		event.resourceManager.registerReloader(this)
+	}
+
+	val cache = WeakCache.memoize<Text, Optional<Int>>("CustomTextColor") { text ->
+		val override = textOverrides ?: return@memoize Optional.empty()
+		Optional.of(override.overrides.find { it.predicate.matches(text) }?.override ?: override.defaultColor)
+	}
+
+	fun mapTextColor(text: Text, oldColor: Int): Int {
+		if (textOverrides == null) return oldColor
+		return cache(text).getOrNull() ?: oldColor
+	}
+
+	override fun prepare(
+		manager: ResourceManager,
+		profiler: Profiler
+	): TextOverrides? {
+		val resource = manager.getResource(Identifier.of("firmskyblock", "overrides/text_colors.json")).getOrNull()
+			?: return null
+		return Firmament.tryDecodeJsonFromStream<TextOverrides>(resource.inputStream)
+			.getOrElse {
+				Firmament.logger.error("Could not parse text_colors.json", it)
+				null
+			}
+	}
+
+	var textOverrides: TextOverrides? = null
+
+	override fun apply(
+		prepared: TextOverrides?,
+		manager: ResourceManager,
+		profiler: Profiler
+	) {
+		textOverrides = prepared
+	}
+}

src/main/resources/assets/firmament/lang/en_us.json

@@ -191,6 +191,7 @@
     "firmament.config.custom-skyblock-textures.cache-duration": "Model Cache Duration",
     "firmament.config.custom-skyblock-textures.model-overrides": "Enable model overrides/predicates",
     "firmament.config.custom-skyblock-textures.legacy-cit": "Enable legacy CIT Resewn compat",
+    "firmament.config.custom-skyblock-textures.recolor-text": "Allow packs to recolor text",
     "firmament.config.custom-skyblock-textures.armor-overrides": "Enable Armor re-texturing",
     "firmament.config.custom-skyblock-textures.block-overrides": "Enable Block re-modelling",
     "firmament.config.custom-skyblock-textures.enabled": "Enable Custom Item Textures",