Not sure if this split helps

spells/iface/main.go

@@ -0,0 +1,62 @@
+package iface
+
+import (
+	"math/rand"
+
+	"github.com/bobtfish/mayhem/fx"
+	"github.com/bobtfish/mayhem/grid"
+	"github.com/bobtfish/mayhem/logical"
+)
+
+type Spell interface {
+	GetName() string
+	GetLawRating() int
+	GetCastingChance(int) int
+	GetCastRange() int
+	CanCast(grid.GameObject) bool
+	CanCastAsIllusion() bool
+	DoCast(bool, logical.Vec, *grid.GameGrid, grid.GameObject) (bool, *fx.Fx)
+	CastQuantity() int
+	CastSucceeds(bool, int) bool
+	IsReuseable() bool
+	CastFx() *fx.Fx
+	NeedsLineOfSight() bool
+}
+
+func LawRatingSymbol(s Spell) string {
+	if s == nil {
+		panic("nil spell")
+	}
+	if s.GetLawRating() == 0 {
+		return "-"
+	}
+	if s.GetLawRating() < 0 {
+		return "*"
+	}
+	return "^"
+}
+
+var AllSpells []Spell
+
+func CreateSpell(s Spell) {
+	if AllSpells == nil {
+		AllSpells = make([]Spell, 1) // Deliberately leave room for disbelieve spell as number 0
+	}
+	AllSpells = append(AllSpells, s)
+}
+
+func ChooseSpells() []Spell {
+	spells := make([]Spell, 14)
+	spells[0] = AllSpells[0]
+	for i := 1; i < 14; i++ {
+		idx := rand.Intn(len(AllSpells)-1) + 1
+		spells[i] = AllSpells[idx]
+	}
+	/*
+		for i := 0; i < len(AllSpells); i++ {
+			if AllSpells[i].GetName() == "Magic Bolt" {
+				spells[1] = AllSpells[i]
+			}
+		}*/
+	return spells
+}