func tick(a *area.Area) (err error) {
// Save file.
var sav *save.Save
switch state.Stack.Pop() {
case state.Init:
// Load or create new game.
// Load old values or initalize a new area and hero.
sav, err = initGameSession(a)
if err != nil {
return errutil.Err(err)
}
state.Stack.Push(state.Intro)
case state.Intro:
// Show entry screen, and ask player for character name.
name := intro.Intro()
status.Println(fmt.Sprintf("%s. You will change the world.", name), termbox.ColorWhite)
status.Println("Find Echidna and kill her.", termbox.ColorRed+termbox.AttrBold)
state.Stack.Push(state.Wilderness)
case state.Wilderness:
turn.Proccess(sav, a)
case state.Inventory:
fallthrough
case state.Drop:
fallthrough
default:
state.Stack.Push(state.Wilderness)
}
return nil
}
func HeroMovement(ev termbox.Event, a *area.Area) int {
var col *area.Collision
var err error
switch ev.Key {
case ui.MoveUpKey:
col, err = a.MoveUp(&creature.Hero)
case ui.MoveDownKey:
col, err = a.MoveDown(&creature.Hero)
case ui.MoveLeftKey:
col, err = a.MoveLeft(&creature.Hero)
case ui.MoveRightKey:
col, err = a.MoveRight(&creature.Hero)
default:
return 0
}
// Creature moved out of bounds.
if err != nil {
return 0
}
stk, ok := a.Items[creature.Hero.Coord()]
if ok && stk.Len() > 0 {
if stk.Len() > 1 {
status.Println("You find a heap of items on the ground:", termbox.ColorWhite)
} else {
status.Println("You find a single item on the ground:", termbox.ColorWhite)
}
print := " "
for _, s := range []area.DrawPather(*stk) {
i, _ := s.(item.DrawItemer)
if stk.Len() < 4 {
print += i.Name() + ", "
} else {
print += string(i.Graphic().Ch) + ", "
}
}
status.Println(print[:len(print)-2], termbox.ColorBlack+termbox.AttrBold)
}
// Successful movement.
if col == nil {
return creature.Hero.Speed
}
// Another creature occupied that tile -> battle!
if c, ok := col.S.(*creature.Creature); ok {
creature.Hero.Battle(c, a)
return creature.Hero.Speed
}
// Hero walked into an object.
if obj, ok := a.Objects[col.Coord()].(*object.Object); ok {
// If the hero walked into a door -> open!
switch obj.Name() {
case "door (closed)":
a.Objects[col.Coord()] = object.Objects["door (open)"].New()
status.Println("You open the closed door.", termbox.ColorBlack+termbox.AttrBold)
return creature.Hero.Speed
}
}
return 0
}
func (c *Creature) use(i item.Itemer) {
switch i.(type) {
case *item.Potion:
status.Println("You drink the potion.", termbox.ColorWhite)
case *item.Tool:
switch i.Name() {
case "Star-Eye Map":
status.Println("You try to read the map.", termbox.ColorWhite)
}
}
status.Print(i.UseText(), termbox.ColorWhite)
}
func (c *Creature) PickUp(a *area.Area) (actionTaken bool) {
msg := "There's no item here."
i, err := c.pickUp(a)
if i == nil {
return false
}
// Print status message if hero's inventory is full.
if c.IsHero() {
if err != nil {
msg = err.Error()
} else {
msg = fmt.Sprintf("%c - %s picked up.", i.Hotkey(), i.String())
}
} else {
msg = fmt.Sprintf("%s picked up %s.", strings.Title(c.Name()), i.String())
}
// If the distance to the creature is within the sight radius, print the
// status message.
if c.dist() <= Hero.Sight {
status.Println(msg, termbox.ColorWhite)
}
return true
}
func NarrativeEquip(pos rune) {
i := creature.Hero.Equip(pos)
if i == nil {
status.Println(unableToEquip, termbox.ColorRed+termbox.AttrBold)
return
}
var equipStr string
if item.IsStackable(i) {
equipStr += fmt.Sprintf("%d ", i.Count())
if i.Count() > 1 {
inflections.Pluralize(i.Name())
} else {
equipStr += i.Name()
}
} else {
equipStr += i.Name()
}
status.Println(fmt.Sprintf("You equipped %s.", equipStr), termbox.ColorWhite)
}
func (attacker *Creature) damage(defender *Creature, a *area.Area) (s string) {
lossOfHp := attacker.power() - defender.defense()
if lossOfHp < 0 {
lossOfHp = 0
}
if defender.IsHero() {
s = fmt.Sprintf("You take %d damage from %s!", lossOfHp, attacker.Name())
} else if attacker.IsHero() {
s = fmt.Sprintf("You inflict %d damage to %s!", lossOfHp, defender.Name())
} else {
s = fmt.Sprintf("%s takes %d damage from %s!", strings.Title(defender.Name()), lossOfHp, attacker.Name())
}
defender.Hp -= lossOfHp
if defender.Hp <= 0 {
if defender.IsHero() {
Hero.DrawFOV(a)
status.Println(s, termbox.ColorWhite)
status.Println("You die. Press any key to quit.", termbox.ColorWhite)
status.Update()
termbox.Flush()
termbox.PollEvent()
util.Quit()
} else if attacker.IsHero() {
s += fmt.Sprintf(" You killed %s!", defender.Name())
}
a.Monsters[coord.Coord{defender.X(), defender.Y()}] = nil
_, ok := a.Items[defender.Coord()]
if !ok {
a.Items[defender.Coord()] = new(area.Stack)
}
for _, i := range defender.Inventory {
a.Items[defender.Coord()].Push(i)
}
a.Items[defender.Coord()].Push(defender.Corpse())
}
return s
}
func (c *Creature) Use(i item.Itemer) {
if !item.IsUsable(i) {
status.Println("You can't use that item!", termbox.ColorRed+termbox.AttrBold)
return
}
if !item.IsPermanent(i) {
if i.Count() > 1 {
i.SetCount(i.Count() - 1)
} else {
delete(c.Inventory, i.Hotkey())
}
}
c.use(i)
}
func (c *Creature) DropItem(pos rune, a *area.Area) {
i := c.Inventory[pos]
c.UnEquip(i)
delete(c.Inventory, pos)
cor := c.Coord()
if a.Items[cor] == nil {
a.Items[cor] = new(area.Stack)
}
a.Items[cor].Push(i)
// If the item couldn't be dropped (cursed for example), print unable to
// drop message.
if i == nil {
status.Println(UnableToDrop, termbox.ColorRed+termbox.AttrBold)
return
}
fmtStr := "%s dropped %s."
cName := strings.Title(c.Name())
if c.IsHero() {
cName = "You"
}
iName := i.Name()
if item.IsStackable(i) {
name := i.Name()
if i.Count() > 1 {
name = inflections.Pluralize(name)
}
iName = strconv.Itoa(i.Count()) + " " + name
}
if c.dist() <= Hero.Sight {
status.Println(fmt.Sprintf(fmtStr, cName, iName), termbox.ColorWhite)
}
}
func (c *Creature) UnEquip(i item.Itemer) {
if !c.IsEquipped(i) {
return
}
switch obj := i.(type) {
case (*item.Weapon):
if c.Equipment.MainHand == obj {
c.Equipment.MainHand = nil
}
if c.Equipment.OffHand == obj {
c.Equipment.OffHand = nil
}
case (*item.Headgear):
if c.Equipment.Head == obj {
c.Equipment.Head = nil
}
case (*item.Amulet):
if c.Equipment.Amulet == obj {
c.Equipment.Amulet = nil
}
case (*item.Ring):
c.removeRing(obj)
case (*item.Boots):
if c.Equipment.Boots == obj {
c.Equipment.Boots = nil
}
case (*item.Gloves):
if c.Equipment.Gloves == obj {
c.Equipment.Gloves = nil
}
case (*item.Chestwear):
if c.Equipment.Chestwear == obj {
c.Equipment.Chestwear = nil
}
case (*item.Legwear):
if c.Equipment.Legwear == obj {
c.Equipment.Legwear = nil
}
}
status.Println(fmt.Sprintf("You unequip %s.", i.Name()), termbox.ColorWhite)
}