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@hayajo
Last active Dec 24, 2015
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Scala入学式のやつをGoで。
package main
import "fmt"
type Weapon interface {
Strength() int
}
/* type KnightWeapon interface { */
/* Weapon */
/* } */
/* type MagicianWeapon interface { */
/* Weapon */
/* } */
type weapon struct {
strength int
}
func (w *weapon) Strength() int {
return w.strength
}
type knightWeapon struct {
*weapon
}
type magicianWeapon struct {
*weapon
}
var NullWeapon *weapon = &weapon{0}
var LongSword *knightWeapon = &knightWeapon{ &weapon{8} }
var Rod *magicianWeapon = &magicianWeapon{ &weapon{2} }
type HasWeapon interface {
Weapon() Weapon
}
type Player interface {
HasWeapon
Name() string
Attack(otherPlayer Player)
Damaged(damage int)
IsDead() bool
}
type player struct {
name string
hp int
mp int
strength int
weapon Weapon
}
func (p *player) Name() string {
return p.name
}
func (p *player) Weapon() Weapon {
return p.weapon
}
func (p *player) Attack(otherPlayer Player) {
fmt.Printf("%sは%sを攻撃した\n", p.name, otherPlayer.Name())
damage := p.strength + p.Weapon().Strength()
otherPlayer.Damaged(damage)
}
func (p *player) Damaged(damage int) {
fmt.Printf("=> %sは%dのダメージを受けた\n", p.name, damage)
if p.hp - damage < 0 {
p.hp = 0
} else {
p.hp -= damage
}
if p.IsDead() {
fmt.Printf("%sはしんでしまった\n", p.name)
}
}
func (p *player) IsDead() bool {
return p.hp <= 0
}
type CanEquip interface {
Equip(w Weapon)
}
type Knight interface {
Player
CanEquip
}
type knight struct {
*player
}
func (p *knight) Equip(w Weapon) {
switch w.(type) {
case *knightWeapon:
p.weapon = w
}
}
func NewKnightPlayer(name string) Knight {
knight := &knight{ &player{ name: name, hp: 20, mp: 0, strength: 5, weapon: NullWeapon } }
return knight
}
type Magician interface {
Player
CanEquip
Mera(player Player)
}
type magician struct {
*player
}
func (p *magician) Equip(w Weapon) {
switch w.(type) {
case *magicianWeapon:
p.weapon = w
}
}
func (p *magician) Mera(otherPlayer Player) {
fmt.Printf("%sはメラを唱えた\n", p.name)
if p.mp < 3 {
fmt.Printf("...しかしMPが足りない!!\n")
} else {
p.mp -= 3
otherPlayer.Damaged(10)
}
}
func NewMagicianPlayer(name string) Magician {
magician := &magician{ &player{ name: name, hp: 15, mp: 5, strength: 3, weapon: NullWeapon } }
return magician
}
func main() {
shinpei := NewMagicianPlayer("しんぺい")
takashi := NewKnightPlayer("たかし")
shinpei.Equip(Rod)
takashi.Equip(LongSword)
shinpei.Mera(takashi)
takashi.Attack(shinpei)
shinpei.Mera(takashi)
takashi.Attack(shinpei)
}
@hayajo
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hayajo commented Sep 30, 2013

interfaceつかいこなせてない...くるしい...

だれかかっちょよくなおして...

@hayajo
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Author

hayajo commented Sep 30, 2013

というかかき途中でタイムアップなのだ!

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