Adds negation for material names and presets #13

README.md

@@ -71,6 +71,9 @@ the default one instead.
 
 ### Presets and filters:
 
+Presets are a nice way to make specialized blacksmiths by specifying categories of materials, instead of manually
+listing every material manually. They can only be used for the `reforgeAbleItems` option.
+
 Note: All of these can be used when specifying reforge-able items, such as
 "preset:weapon-smith:bow,preset:armor_smith:gold,PRESET:TOOL_SMITH,shield"
 
@@ -81,35 +84,41 @@ to make the blacksmith only repair bows. You can use the same preset several tim
 example: "preset:ARMOR_SMITH:DIAMOND,preset:ARMOR_SMITH:NETHERITE" would allow the blacksmith to repair all diamond and
 netherite armor.
 
+Presets and filters can also be negated by applying a "-" character in front of the material name. For example,
+"-SHIELD" would make shields unrepairable, even if included in a preset. "preset:WEAPON_SMITH,-SHIELD"
+would allow the blacksmith to repair any weapon included in the WEAPON_SMITH preset except shields.
+"preset:BLACKSMITH,-ELYTRA"would allow the blacksmith to repair any repairable item, except elytra.
+
 All currently supported presets, and available filters for each preset:
 
-- WEAPON_SMITH:
-    - BOW
-    - SWORD
-    - RANGED
-- ARMOR_SMITH:
-    - LEATHER
-    - IRON
-    - CHAINMAIL
-    - GOLD
-    - DIAMOND
-    - NETHERITE
-    - HELMET
-    - BOOTS
-    - LEGGINGS
-    - CHESTPLATE
-- TOOL_SMITH
-    - WOOD
-    - STONE
-    - IRON
-    - GOLD
-    - DIAMOND
-    - NETHERITE
-    - PICKAXE
-    - AXE
-    - HOE
-    - SHOVEL
-    - MISC
+- BLACKSMITH (WEAPON_SMITH + ARMOR_SMITH + TOOL_SMITH)
+- WEAPON_SMITH: (RANGED + SWORD + SHIELD)
+    - BOW (bows and crossbows)
+    - SWORD (swords)
+    - RANGED (bows, crossbows and tridents)
+- ARMOR_SMITH: (HELMET + BOOTS + LEGGINGS + CHESTPLATE + ELYTRA)
+    - LEATHER (all pieces of leather armor)
+    - IRON (all pieces of iron armor)
+    - CHAINMAIL (all pieces of chainmail armor)
+    - GOLD (all pieces of gold armor)
+    - DIAMOND (all pieces of diamond armor)
+    - NETHERITE (all pieces of netherite armor)
+    - HELMET (all helmets)
+    - BOOTS (all boots)
+    - LEGGINGS (all leggings)
+    - CHESTPLATE (all chest-plates)
+- TOOL_SMITH: (PICKAXE + AXE + HOE + SHOVEL + MISC)
+    - WOOD (all wood tools)
+    - STONE (all stone tools)
+    - IRON (all iron tools)
+    - GOLD (all gold tools)
+    - DIAMOND (all diamond tools)
+    - NETHERITE (all netherite tools)
+    - PICKAXE (all pickaxes)
+    - AXE (all axes)
+    - HOE (all hoes)
+    - SHOVEL (all shovels)
+    - MISC (FISHING_ROD + SHEARS + FLINT_AND_STEEL)
 
 ## Permissions