func displayPickUpChoice() []entity.ID {
var str *C.char
C.clear()
C.move(0, 0)
str = C.CString("Pick up what?\n")
C.addstr(str)
C.free(unsafe.Pointer(str))
px, py := currentLevel.EntityLocation(player.EntityID())
itemsAvailable := currentLevel.ItemsAt(px, py)
for i, eid := range itemsAvailable {
C.addch(C.chtype(inventoryChar(byte(i))))
str = C.CString(" - ")
C.addstr(str)
C.free(unsafe.Pointer(str))
str = C.CString(currentLevel.EntityByID(eid).EntityName())
C.addstr(str)
C.free(unsafe.Pointer(str))
}
itemsChosen := make([]bool, len(itemsAvailable))
for {
ch := C.getch()
if ch == C.KEY_ENTER || ch == ' ' || ch == '\n' {
break
}
if ch > C.int(255) {
continue
}
if i := inventoryIndex(byte(ch)); (int(i) < len(itemsChosen)) &&
(i != 255) {
if itemsChosen[i] {
itemsChosen[i] = false
C.mvaddch(C.int(i+1), 2, C.chtype('-'))
} else {
itemsChosen[i] = true
C.mvaddch(C.int(i+1), 2, C.chtype('+'))
}
}
}
result := make([]entity.ID, 0, len(itemsAvailable))
for i, v := range itemsChosen {
if v {
result = append(result, itemsAvailable[i])
}
}
return result
}
func displayInventory() {
var str *C.char
C.clear()
C.move(0, 0)
str = C.CString("Inventory contents:\n")
C.addstr(str)
C.free(unsafe.Pointer(str))
for i, v := range inventory {
if inventory[i] != nil {
C.addch(C.chtype(inventoryChar(byte(i))))
str = C.CString(" - ")
C.addstr(str)
C.free(unsafe.Pointer(str))
str = C.CString(v.name)
C.addstr(str)
C.free(unsafe.Pointer(str))
C.addch(C.chtype('\n'))
}
}
}
func Move(x, y int) {
x, y = real2raw(x, y)
C.move(C.int(x), C.int(y))
}
func Move(y int, x int) {
C.move(C.int(y), C.int(x))
}