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package game
import (
"fmt"
"log"
"strconv"
"strings"
)
// Attack contains all damage values for each attackable range.
// The damage value for range 1 is stored at index 0, the value for range 2 at index 1 and so on.
type Attack struct {
attacks []int
}
// INVALID_ATTACK reports if there are no attackable ranges.
func INVALID_ATTACK(a Attack) bool {
return len(a.attacks) == 0
}
// MaxRange returns the biggest attackable range.
func (a Attack) MaxRange() int {
return len(a.attacks)
}
// DamageInRange returns the damage in a certain range.
func (a Attack) DamageInRange(r int) int {
if r > a.MaxRange() {
return 0
}
return a.attacks[r-1]
}
// Ranged reports if the attack has more range than 1.
func (a Attack) Ranged() bool {
return a.MaxRange() > 1
}
// Extend increases the MaxRange by amount.
func (a *Attack) Extend(amount int) {
d := a.DamageInRange(a.MaxRange())
for range amount {
a.attacks = append(a.attacks, d)
}
}
// Shorten decreases the MaxRange by amount.
func (a *Attack) Shorten(amount int) {
a.attacks = a.attacks[:len(a.attacks)-amount]
}
func (a Attack) String() string {
if INVALID_ATTACK(a) {
return "invalid attack"
}
if len(a.attacks) == 1 {
return fmt.Sprintf("%d", a.attacks[0])
}
r := a.MaxRange()
return fmt.Sprintf("%d range %d", a.DamageInRange(r), r)
}
func parseAttack(attack any) Attack {
if damage, ok := attack.(int); ok {
return Attack{[]int{damage}}
}
attackStr := attack.(string)
tokens := strings.Split(attackStr, " ")
a, err := strconv.Atoi(tokens[0])
// TODO: think about panicking here
if err != nil {
log.Panicf("Attack %s has no valid Damage value\n", attackStr)
}
r := 1
if len(tokens) == 3 {
r, err = strconv.Atoi(tokens[2])
if err != nil {
log.Panicf("Attack %s has no valid Range value\n", attackStr)
}
}
attacks := make([]int, 0, r)
for range r {
attacks = append(attacks, a)
}
return Attack{attacks}
}
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