1 files changed, 85 insertions, 0 deletions
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/SimpleFluidRenderer.java b/runtime/src/main/java/me/shedaniel/rei/impl/SimpleFluidRenderer.java
new file mode 100644
index 000000000..82c1a296e
--- /dev/null
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/SimpleFluidRenderer.java
@@ -0,0 +1,85 @@
+/*
+ * This file is licensed under the MIT License, part of Roughly Enough Items.
+ * Copyright (c) 2018, 2019, 2020 shedaniel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+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.Minecraft;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.material.Fluid;
+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 {
+        TextureAtlasSprite getSprite();
+        
+        int getColor();
+    }
+    
+    public static final class FluidRenderingDataImpl implements FluidRenderingData {
+        private final TextureAtlasSprite sprite;
+        private final int color;
+        
+        public FluidRenderingDataImpl(TextureAtlasSprite 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;
+            TextureAtlasSprite[] sprites = fluidRenderHandler.getFluidSprites(Minecraft.getInstance().level, Minecraft.getInstance().level == null ? null : BlockPos.ZERO, fluid.defaultFluidState());
+            int color = -1;
+            if (Minecraft.getInstance().level != null)
+                color = fluidRenderHandler.getFluidColor(Minecraft.getInstance().level, BlockPos.ZERO, fluid.defaultFluidState());
+            return new FluidRenderingDataImpl(sprites[0], color);
+        }
+        
+        @Override
+        public TextureAtlasSprite getSprite() {
+            return sprite;
+        }
+        
+        @Override
+        public int getColor() {
+            return color;
+        }
+    }
+}