130 lines
4.6 KiB
Swift
130 lines
4.6 KiB
Swift
//
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/**
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* Copyright (c) 2019 Razeware LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Notwithstanding the foregoing, you may not use, copy, modify, merge, publish,
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* distribute, sublicense, create a derivative work, and/or sell copies of the
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* Software in any work that is designed, intended, or marketed for pedagogical or
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* instructional purposes related to programming, coding, application development,
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* or information technology. Permission for such use, copying, modification,
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* merger, publication, distribution, sublicensing, creation of derivative works,
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* or sale is expressly withheld.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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import MetalKit
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class GameView: MTKView {
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weak var inputController: InputController?
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// for mouse movement
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var trackingArea : NSTrackingArea?
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var useMouse = false {
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didSet {
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inputController?.useMouse = useMouse
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}
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}
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override func updateTrackingAreas() {
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guard let window = NSApplication.shared.mainWindow else { return }
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window.acceptsMouseMovedEvents = useMouse
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if useMouse {
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CGDisplayHideCursor(CGMainDisplayID())
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} else {
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CGDisplayShowCursor(CGMainDisplayID())
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}
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if let trackingArea = trackingArea {
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removeTrackingArea(trackingArea)
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}
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guard useMouse else { return }
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let options: NSTrackingArea.Options = [.activeAlways, .inVisibleRect, .mouseMoved]
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trackingArea = NSTrackingArea(rect: self.bounds, options: options,
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owner: self, userInfo: nil)
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addTrackingArea(trackingArea!)
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}
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}
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extension GameView {
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override var acceptsFirstResponder: Bool {
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return true
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}
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override func acceptsFirstMouse(for event: NSEvent?) -> Bool {
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return true
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}
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override func keyDown(with event: NSEvent) {
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guard let key = KeyboardControl(rawValue: event.keyCode) else {
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return
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}
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let state: InputState = event.isARepeat ? .continued : .began
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inputController?.processEvent(key: key, state: state)
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}
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override func keyUp(with event: NSEvent) {
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guard let key = KeyboardControl(rawValue: event.keyCode) else {
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return
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}
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inputController?.processEvent(key: key, state: .ended)
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}
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override func mouseMoved(with event: NSEvent) {
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inputController?.processEvent(mouse: .mouseMoved, state: .began, event: event)
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// reset mouse position to center of view
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guard useMouse else { return }
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let screenFrame = NSScreen.main?.frame ?? .zero
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var rect = frame
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frame = convert(rect, to: nil)
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rect = window?.convertToScreen(rect) ?? rect
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CGWarpMouseCursorPosition(NSPoint(x: (rect.origin.x + bounds.midX),
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y: (screenFrame.height - rect.origin.y - bounds.midY) ))
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}
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override func mouseDown(with event: NSEvent) {
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inputController?.processEvent(mouse: .leftDown, state: .began, event: event)
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}
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override func mouseUp(with event: NSEvent) {
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inputController?.processEvent(mouse: .leftUp, state: .ended, event: event)
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}
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override func mouseDragged(with event: NSEvent) {
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inputController?.processEvent(mouse: .leftDrag, state: .continued, event: event)
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}
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override func rightMouseDown(with event: NSEvent) {
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inputController?.processEvent(mouse: .rightDown, state: .began, event: event)
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}
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override func rightMouseDragged(with event: NSEvent) {
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inputController?.processEvent(mouse: .rightDrag, state: .continued, event: event)
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}
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override func rightMouseUp(with event: NSEvent) {
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inputController?.processEvent(mouse: .rightUp, state: .ended, event: event)
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}
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// override func scrollWheel(with event: NSEvent) {
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// inputController?.processEvent(mouse: .scroll, state: .continued, event: event)
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// }
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}
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