Guard against unregistered fluid renderers

Signed-off-by: shedaniel <daniel@shedaniel.me>

fabric/src/main/java/me/shedaniel/architectury/hooks/fabric/FluidStackHooksImpl.java

@@ -116,7 +116,9 @@ public class FluidStackHooksImpl {
     @Nullable
     public static TextureAtlasSprite getStillTexture(@Nullable BlockAndTintGetter level, @Nullable BlockPos pos, @NotNull FluidState state) {
         if (state.getType() == Fluids.EMPTY) return null;
-        TextureAtlasSprite[] sprites = FluidRenderHandlerRegistry.INSTANCE.get(state.getType()).getFluidSprites(level, pos, state);
+        FluidRenderHandler handler = FluidRenderHandlerRegistry.INSTANCE.get(state.getType());
+        if (handler == null) return null;
+        TextureAtlasSprite[] sprites = handler.getFluidSprites(level, pos, state);
         if (sprites == null) return null;
         return sprites[0];
     }
@@ -125,7 +127,9 @@ public class FluidStackHooksImpl {
     @Nullable
     public static TextureAtlasSprite getStillTexture(@NotNull FluidStack stack) {
         if (stack.getFluid() == Fluids.EMPTY) return null;
-        TextureAtlasSprite[] sprites = FluidRenderHandlerRegistry.INSTANCE.get(stack.getFluid()).getFluidSprites(null, null, stack.getFluid().defaultFluidState());
+        FluidRenderHandler handler = FluidRenderHandlerRegistry.INSTANCE.get(stack.getFluid());
+        if (handler == null) return null;
+        TextureAtlasSprite[] sprites = handler.getFluidSprites(null, null, stack.getFluid().defaultFluidState());
         if (sprites == null) return null;
         return sprites[0];
     }
@@ -134,7 +138,9 @@ public class FluidStackHooksImpl {
     @Nullable
     public static TextureAtlasSprite getStillTexture(@NotNull Fluid fluid) {
         if (fluid == Fluids.EMPTY) return null;
-        TextureAtlasSprite[] sprites = FluidRenderHandlerRegistry.INSTANCE.get(fluid).getFluidSprites(null, null, fluid.defaultFluidState());
+        FluidRenderHandler handler = FluidRenderHandlerRegistry.INSTANCE.get(fluid);
+        if (handler == null) return null;
+        TextureAtlasSprite[] sprites = handler.getFluidSprites(null, null, fluid.defaultFluidState());
         if (sprites == null) return null;
         return sprites[0];
     }
@@ -165,7 +171,9 @@ public class FluidStackHooksImpl {
     @Nullable
     public static TextureAtlasSprite getFlowingTexture(@NotNull Fluid fluid) {
         if (fluid == Fluids.EMPTY) return null;
-        TextureAtlasSprite[] sprites = FluidRenderHandlerRegistry.INSTANCE.get(fluid).getFluidSprites(null, null, fluid.defaultFluidState());
+        FluidRenderHandler handler = FluidRenderHandlerRegistry.INSTANCE.get(fluid);
+        if (handler == null) return null;
+        TextureAtlasSprite[] sprites = handler.getFluidSprites(null, null, fluid.defaultFluidState());
         if (sprites == null) return null;
         return sprites[1];
     }