1 files changed, 62 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/impl/SimpleFluidRenderer.java b/src/main/java/me/shedaniel/rei/impl/SimpleFluidRenderer.java
new file mode 100644
index 000000000..8c716dffb
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/impl/SimpleFluidRenderer.java
@@ -0,0 +1,62 @@
+package me.shedaniel.rei.impl;
+
+import net.fabricmc.fabric.api.client.render.fluid.v1.FluidRenderHandler;
+import net.fabricmc.fabric.api.client.render.fluid.v1.FluidRenderHandlerRegistry;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.texture.Sprite;
+import net.minecraft.fluid.Fluid;
+import net.minecraft.util.math.BlockPos;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@ApiStatus.Internal
+public final class SimpleFluidRenderer {
+    private static final Map<Fluid, FluidRenderingData> FLUID_DATA = new HashMap<>();
+    
+    private SimpleFluidRenderer() {}
+    
+    @Nullable
+    public static FluidRenderingData fromFluid(Fluid fluid) {
+        return FLUID_DATA.computeIfAbsent(fluid, FluidRenderingDataImpl::from);
+    }
+    
+    public interface FluidRenderingData {
+        Sprite getSprite();
+        
+        int getColor();
+    }
+    
+    public static final class FluidRenderingDataImpl implements FluidRenderingData {
+        private final Sprite sprite;
+        private final int color;
+        
+        public FluidRenderingDataImpl(Sprite sprite, int color) {
+            this.sprite = sprite;
+            this.color = color;
+        }
+        
+        public static FluidRenderingData from(Fluid fluid) {
+            FluidRenderHandler fluidRenderHandler = FluidRenderHandlerRegistry.INSTANCE.get(fluid);
+            if (fluidRenderHandler == null)
+                return null;
+            Sprite[] sprites = fluidRenderHandler.getFluidSprites(MinecraftClient.getInstance().world, MinecraftClient.getInstance().world == null ? null : BlockPos.ORIGIN, fluid.getDefaultState());
+            int color = -1;
+            if (MinecraftClient.getInstance().world != null)
+                color = fluidRenderHandler.getFluidColor(MinecraftClient.getInstance().world, BlockPos.ORIGIN, fluid.getDefaultState());
+            return new FluidRenderingDataImpl(sprites[0], color);
+        }
+        
+        @Override
+        public Sprite getSprite() {
+            return sprite;
+        }
+        
+        @Override
+        public int getColor() {
+            return color;
+        }
+    }
+}