1 files changed, 36 insertions, 0 deletions
diff --git a/internal/combat/types.go b/internal/combat/types.go
new file mode 100644
index 0000000..bb2a897
--- /dev/null
+++ b/internal/combat/types.go
@@ -0,0 +1,36 @@
+package combat
+
+// Attack type identifiers shared across combat, mobs, weapons, hazards and
+// validation. These are the canonical string values stored in YAML.
+const (
+	AttackStab    = "stab"
+	AttackSlash   = "slash"
+	AttackCrush   = "crush"
+	AttackRanged  = "ranged"
+	AttackScience = "science"
+
+	// DefaultAttackType is the fallback when no attack type is specified.
+	DefaultAttackType = AttackCrush
+)
+
+// MeleeAttackTypes lists the melee attack types (exactly one of which a mob
+// must have).
+var MeleeAttackTypes = []string{AttackStab, AttackSlash, AttackCrush}
+
+// AllAttackTypes lists every valid attack type.
+var AllAttackTypes = []string{AttackStab, AttackSlash, AttackCrush, AttackRanged, AttackScience}
+
+// IsMeleeType reports whether t is a melee attack type.
+func IsMeleeType(t string) bool {
+	return t == AttackStab || t == AttackSlash || t == AttackCrush
+}
+
+// IsValidAttackType reports whether t is any recognized attack type.
+func IsValidAttackType(t string) bool {
+	switch t {
+	case AttackStab, AttackSlash, AttackCrush, AttackRanged, AttackScience:
+		return true
+	default:
+		return false
+	}
+}