Systems

Cataclysm-BN items have material composition (iron, steel, copper, wood, plastic, leather, etc.), volume, weight, and flags that determine crafting compatibility. The crafting system uses these properties to gate recipes and determine tool durability.

Cataclysm-BN monsters have faction membership (default_faction), aggression levels, morale, and species classification. Monsters of the same faction are allied; different factions may be hostile. Aggression determines attack behavior; morale determines flee thresholds.

Cataclysm-BN implements a mutation system with 625+ mutations categorized by type (animal, plant, insect, fish, slime, human, TROUBLE, medical, rat, lizard, bird, spider, crustacean, cephalopod, elf, dwarf, troglobite, medical, plant, fungal, slime, bird, spider, crustacean, cephalopod, elf, dwarf, troglobite). Mutations grant passive abilities, body modifications, and can lead to further mutations via leads_to chains.