Add dynamic tint support for indigo

Fixes #274

Author: Su5eD

fabric-renderer-indigo/src/client/java/net/fabricmc/fabric/impl/client/indigo/renderer/render/AltModelBlockRendererImpl.java

@@ -22,6 +22,7 @@
 import it.unimi.dsi.fastutil.ints.IntArrayList;
 import it.unimi.dsi.fastutil.ints.IntList;
 import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import net.neoforged.neoforge.client.extensions.common.IClientBlockExtensions;
 import org.joml.Vector3f;
 import org.jspecify.annotations.Nullable;
 
@@ -187,8 +188,8 @@ private void tintQuad(MutableQuadView quad) {
 	}
 
 	private void configureTintCache(final BlockState blockState,
-			final BlockAndTintGetter level,
-			final BlockPos pos) {
+	                                final BlockAndTintGetter level,
+	                                final BlockPos pos) {
 		List<BlockTintSource> tintSources = blockColors.getTintSources(blockState);
 		int tintSourceCount = tintSources.size();
 
@@ -219,6 +220,15 @@ private int computeTintColor(final BlockAndTintGetter level, final BlockState st
 			tintSourcesInitialized = true;
 		}
 
+		if (this.tintSources.isEmpty()) {
+			IClientBlockExtensions.of(state).collectDynamicTintValues(state, level, pos, this.computedTintValues);
+			if (!this.computedTintValues.isEmpty()) {
+				for (int i = 0; i < this.computedTintValues.size(); ++i) {
+					this.tintSources.add(null);
+				}
+			}
+		}
+
 		if (tintIndex >= tintSources.size()) {
 			return -1;
 		} else {