Fix a couple cases of casting fluid to get the same result

Wrought iron now requires plain iron as a base (no wrought from raw that means)
Tool casting now no longer matches if the input fluid produces the present material
Composite casting no longer matches if the material is unchanged, means we can turn wrought iron into oxidized iron and vice versa, but won't turn wrought iron into wrought iron

src/generated/resources/data/tconstruct/recipes/tools/materials/composite/copper_oxidized.json

@@ -4,7 +4,7 @@
     "amount": 250,
     "tag": "mantle:water"
   },
-  "input": "tconstruct:copper#default",
+  "input": "tconstruct:copper",
   "output": "tconstruct:copper#oxidized",
   "temperature": 1
 }

src/generated/resources/data/tconstruct/recipes/tools/materials/composite/iron_oxidized.json

@@ -4,7 +4,7 @@
     "amount": 250,
     "tag": "mantle:water"
   },
-  "input": "tconstruct:iron#default",
+  "input": "tconstruct:iron",
   "output": "tconstruct:iron#oxidized",
   "temperature": 1
 }

src/main/java/slimeknights/tconstruct/library/recipe/casting/material/MaterialFluidRecipe.java

@@ -63,7 +63,8 @@ public boolean matches(Fluid fluid) {
 
   /** Checks if this recipe is valid for the given fluid and material */
   public boolean matches(Fluid fluid, MaterialVariantId material) {
-    return matches(fluid) && (input == null || input.matchesVariant(material));
+    // disallow casting if the input material matches the output (including variant) to prevent wasted resources
+    return matches(fluid) && (input == null || input.matchesVariant(material)) && !output.sameVariant(material);
   }
 
   /** Gets the amount of fluid to cast this recipe */

src/main/java/slimeknights/tconstruct/library/recipe/casting/material/ToolCastingRecipe.java

@@ -73,7 +73,7 @@ protected MaterialFluidRecipe getFluidRecipe(ICastingContainer inv) {
     // the casting recipe needs to match our stat type to be valid
     MaterialFluidRecipe casting = super.getFluidRecipe(inv);
     // need to validate the stat type, since the super call will not check stat type
-    if (casting != MaterialFluidRecipe.EMPTY && requirements.get(indexToCheck).canUseMaterial(casting.getOutput().getId())) {
+    if (casting != MaterialFluidRecipe.EMPTY && !casting.getOutput().sameVariant(currentMaterial) && requirements.get(indexToCheck).canUseMaterial(casting.getOutput().getId())) {
       cachedPartSwapping = casting;
       return casting;
     }

src/main/java/slimeknights/tconstruct/tools/data/material/MaterialRecipeProvider.java

@@ -16,7 +16,6 @@
 import slimeknights.tconstruct.fluids.TinkerFluids;
 import slimeknights.tconstruct.library.data.recipe.IMaterialRecipeHelper;
 import slimeknights.tconstruct.library.json.condition.TagDifferencePresentCondition;
-import slimeknights.tconstruct.library.materials.definition.MaterialVariantId;
 import slimeknights.tconstruct.library.recipe.FluidValues;
 import slimeknights.tconstruct.library.recipe.casting.material.MaterialFluidRecipeBuilder;
 import slimeknights.tconstruct.shared.TinkerCommons;
@@ -179,15 +178,15 @@ private void addMaterialSmeltery(Consumer<FinishedRecipe> consumer) {
     materialComposite(consumer, MaterialIds.flint, MaterialIds.scorchedStone,      TinkerFluids.magma,      true,  FluidValues.SLIMEBALL, folder);
     materialComposite(consumer, MaterialIds.bone,  MaterialIds.venombone,          TinkerFluids.venom,      false, FluidValues.SLIMEBALL, folder);
     // decorative iron variant based on chain
-    materialComposite(consumer, MaterialIds.iron,  MaterialIds.wroughtIron, TinkerFluids.moltenGlass, false, FluidValues.GLASS_PANE, folder);
+    materialComposite(consumer, MaterialIds.iron, MaterialIds.wroughtIron, TinkerFluids.moltenGlass, false, FluidValues.GLASS_PANE, folder);
     // oxidize copper and iron via water, it does not rust iron because magic
     MaterialFluidRecipeBuilder.material(MaterialIds.oxidizedIron)
-                              .setInputId(MaterialVariantId.create(MaterialIds.iron, MaterialVariantId.DEFAULT_VARIANT))
+                              .setInputId(MaterialIds.iron)
                               .setFluid(MantleTags.Fluids.WATER, FluidValues.BOTTLE)
                               .setTemperature(1)
                               .save(consumer, location(folder + "composite/iron_oxidized"));
     MaterialFluidRecipeBuilder.material(MaterialIds.oxidizedCopper)
-                              .setInputId(MaterialVariantId.create(MaterialIds.copper, MaterialVariantId.DEFAULT_VARIANT))
+                              .setInputId(MaterialIds.copper)
                               .setFluid(MantleTags.Fluids.WATER, FluidValues.BOTTLE)
                               .setTemperature(1)
                               .save(consumer, location(folder + "composite/copper_oxidized"));