Fix plasma temp NPE for plasma-only materials

src/main/java/gregtech/api/fluids/FluidBuilder.java

@@ -428,7 +428,7 @@ private void determineTemperature(@Nullable Material material) {
                     }
                     case GAS -> ROOM_TEMPERATURE;
                     case PLASMA -> {
-                        if (material.hasFluid()) {
+                        if (material.hasFluid() && material.getFluid() != null) {
                             yield BASE_PLASMA_TEMPERATURE + material.getFluid().getTemperature();
                         }
                         yield BASE_PLASMA_TEMPERATURE;

src/main/java/gregtech/api/fluids/store/FluidStorage.java

@@ -11,6 +11,7 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.Comparator;
 import java.util.Map;
 
 public final class FluidStorage {
@@ -69,12 +70,14 @@ public void registerFluids(@NotNull Material material) {
             enqueueRegistration(FluidStorageKeys.LIQUID, new FluidBuilder());
         }
 
-        for (var entry : toRegister.entrySet()) {
-            Fluid fluid = entry.getValue().build(material.getModid(), material, entry.getKey());
-            if (!storeNoOverwrites(entry.getKey(), fluid)) {
-                GTLog.logger.error("{} already has an associated fluid for material {}", material);
-            }
-        }
+        toRegister.entrySet().stream()
+                .sorted(Comparator.comparingInt(e -> -e.getKey().getRegistrationPriority()))
+                .forEach(entry -> {
+                    Fluid fluid = entry.getValue().build(material.getModid(), material, entry.getKey());
+                    if (!storeNoOverwrites(entry.getKey(), fluid)) {
+                        GTLog.logger.error("{} already has an associated fluid for material {}", material);
+                    }
+                });
         toRegister = null;
         registered = true;
     }

src/main/java/gregtech/api/fluids/store/FluidStorageKey.java

@@ -24,6 +24,7 @@ public final class FluidStorageKey {
     private final Function<Material, String> translationKeyFunction;
     private final int hashCode;
     private final FluidState defaultFluidState;
+    private final int registrationPriority;
 
     public FluidStorageKey(@NotNull ResourceLocation resourceLocation, @NotNull MaterialIconType iconType,
                            @NotNull UnaryOperator<@NotNull String> registryNameOperator,
@@ -35,12 +36,20 @@ public FluidStorageKey(@NotNull ResourceLocation resourceLocation, @NotNull Mate
                            @NotNull UnaryOperator<@NotNull String> registryNameOperator,
                            @NotNull Function<@NotNull Material, @NotNull String> translationKeyFunction,
                            @Nullable FluidState defaultFluidState) {
+        this(resourceLocation, iconType, registryNameOperator, translationKeyFunction, defaultFluidState, 0);
+    }
+
+    public FluidStorageKey(@NotNull ResourceLocation resourceLocation, @NotNull MaterialIconType iconType,
+                           @NotNull UnaryOperator<@NotNull String> registryNameOperator,
+                           @NotNull Function<@NotNull Material, @NotNull String> translationKeyFunction,
+                           @Nullable FluidState defaultFluidState, int registrationPriority) {
         this.resourceLocation = resourceLocation;
         this.iconType = iconType;
         this.registryNameOperator = registryNameOperator;
         this.translationKeyFunction = translationKeyFunction;
         this.hashCode = resourceLocation.hashCode();
         this.defaultFluidState = defaultFluidState;
+        this.registrationPriority = registrationPriority;
         if (keys.containsKey(resourceLocation)) {
             throw new IllegalArgumentException("Cannot create duplicate keys");
         }
@@ -81,6 +90,14 @@ public FluidStorageKey(@NotNull ResourceLocation resourceLocation, @NotNull Mate
         return defaultFluidState;
     }
 
+    /**
+     * @return The registration priority for this fluid type, determining the build order for fluids.
+     *         Useful for when your fluid building requires some properties from previous fluids.
+     */
+    public int getRegistrationPriority() {
+        return registrationPriority;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;

src/main/java/gregtech/api/fluids/store/FluidStorageKeys.java

@@ -33,7 +33,7 @@ public final class FluidStorageKeys {
     public static final FluidStorageKey PLASMA = new FluidStorageKey(gregtechId("plasma"),
             MaterialIconType.plasma,
             s -> "plasma." + s, m -> "gregtech.fluid.plasma",
-            FluidState.PLASMA);
+            FluidState.PLASMA, -1);
 
     private FluidStorageKeys() {}
 }

src/main/java/gregtech/loaders/recipe/RecyclingRecipes.java

@@ -140,7 +140,10 @@ private static void registerExtractorRecycling(ItemStack input, List<MaterialSta
             if (m.hasProperty(PropertyKey.INGOT) && m.getProperty(PropertyKey.INGOT).getMacerateInto() != m) {
                 m = m.getProperty(PropertyKey.INGOT).getMacerateInto();
             }
-            if (!m.hasProperty(PropertyKey.FLUID) || (prefix == OrePrefix.dust && m.hasProperty(PropertyKey.BLAST))) {
+            if (!m.hasProperty(PropertyKey.FLUID) || m.getFluid() == null) {
+                return;
+            }
+            if (prefix == OrePrefix.dust && m.hasProperty(PropertyKey.BLAST)) {
                 return;
             }
             RecipeMaps.EXTRACTOR_RECIPES.recipeBuilder()
@@ -156,8 +159,9 @@ private static void registerExtractorRecycling(ItemStack input, List<MaterialSta
 
         // Find the first Material which can create a Fluid.
         // If no Material in the list can create a Fluid, return.
-        MaterialStack fluidMs = materials.stream().filter(ms -> ms.material.hasProperty(PropertyKey.FLUID)).findFirst()
-                .orElse(null);
+        MaterialStack fluidMs = materials.stream()
+                .filter(ms -> ms.material.hasProperty(PropertyKey.FLUID) && ms.material.getFluid() != null)
+                .findFirst().orElse(null);
         if (fluidMs == null) return;
 
         // Find the next MaterialStack, which will be the Item output.