Files
CavesOfSwift/Sources/JolkEngine/Input/Input.swift
2024-05-09 20:52:01 +10:00

63 lines
1.6 KiB
Swift

import SDL2
public class Input
{
private static let _instance = Input()
public static var instance: Input { _instance }
public var keyboard: Keyboard { _keyboard }
public func getPad(id: Int) -> GamePad? { _pads[Int32(id)] }
public var firstPadID: Int? { _firstJoyID >= 0 ? Int(_firstJoyID) : nil }
private var _keyboard = Keyboard()
private var _pads = Dictionary<Int32, GamePad>()
private var _firstJoyID: Int32 = -1
private init() {}
internal func pressEvent(scan: SDL_Scancode, repeat r: Bool) { keyboard.pressEvent(scan: scan, repeat: r) }
internal func releaseEvent(scan: SDL_Scancode) { keyboard.releaseEvent(scan: scan) }
internal func padConnectedEvent(index: Int32)
{
guard let sdlPad = SDL_GameControllerOpen(index)
else { return }
let id = SDL_JoystickGetDeviceInstanceID(index)
_pads[id] = GamePad(pad: sdlPad)
print("Using gamepad #\(id), \"\(String(cString: SDL_GameControllerName(sdlPad)))\"")
if _firstJoyID < 0 { _firstJoyID = id }
}
internal func padRemovedEvent(index: Int32)
{
let id = SDL_JoystickGetDeviceInstanceID(index)
_pads.removeValue(forKey: id)
if id == _firstJoyID
{
_firstJoyID = _pads.keys.first ?? -1
}
}
internal func padButtonPressEvent(id: Int32, btn: UInt8)
{
_pads[id]?.buttonPressEvent(btn)
}
internal func padButtonReleaseEvent(id: Int32, btn: UInt8)
{
_pads[id]?.buttonReleaseEvent(btn)
}
internal func padAxisEvent(id: Int32, axis: UInt8, value: Int16)
{
_pads[id]?.axisEvent(axis, value)
}
internal func newTick()
{
_keyboard.newTick()
for pad in _pads.values { pad.newTick() }
}
}