/
SystemImpl.hx
1346 lines (1170 loc) · 37.1 KB
/
SystemImpl.hx
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package kha;
import js.Browser;
import js.Syntax;
import js.html.CanvasElement;
import js.html.ClipboardEvent;
import js.html.DeviceMotionEvent;
import js.html.DeviceOrientationEvent;
import js.html.KeyboardEvent;
import js.html.MouseEvent;
import js.html.Touch;
import js.html.TouchEvent;
import js.html.WebSocket;
import js.html.WheelEvent;
import js.html.webgl.GL;
import kha.System;
import kha.graphics4.TextureFormat;
import kha.input.Gamepad;
import kha.input.KeyCode;
import kha.input.Keyboard;
import kha.input.Mouse;
import kha.input.Sensor;
import kha.input.Surface;
import kha.js.AudioElementAudio;
import kha.js.CanvasGraphics;
import kha.js.MobileWebAudio;
import kha.js.vr.VrInterface;
using StringTools;
class GamepadStates {
public var axes: Array<Float>;
public var buttons: Array<Float>;
public function new() {
axes = new Array<Float>();
buttons = new Array<Float>();
}
}
class SystemImpl {
public static var gl: GL;
public static var gl2: Bool;
public static var halfFloat: Dynamic;
public static var anisotropicFilter: Dynamic;
public static var depthTexture: Dynamic;
public static var drawBuffers: Dynamic;
public static var elementIndexUint: Dynamic;
@:noCompletion public static var _hasWebAudio: Bool;
// public static var graphics(default, null): Graphics;
public static var khanvas: CanvasElement;
static var options: SystemOptions;
public static var mobile: Bool = false;
public static var ios: Bool = false;
public static var mobileAudioPlaying: Bool = false;
static var chrome: Bool = false;
static var firefox: Bool = false;
public static var safari: Bool = false;
public static var ie: Bool = false;
public static var insideInputEvent: Bool = false;
static public var activeMouseEvent: Null<MouseEvent>;
static public var activeWheelEvent: Null<WheelEvent>;
static public var activeKeyEvent: Null<KeyboardEvent>;
static var window: Window;
public static var estimatedRefreshRate: Int = 60;
static function errorHandler(message: String, source: String, lineno: Int, colno: Int, error: Dynamic) {
Browser.console.error("Error: " + message);
if (error != null) {
if (Std.isOfType(error, haxe.Exception)) {
var err: haxe.Exception = error;
if (err.stack != null) {
Browser.console.error("Stack:\n" + err.stack);
}
}
else if (Std.isOfType(error, js.lib.Error)) {
var err: js.lib.Error = error;
if (err.stack != null) {
Browser.console.error("Stack:\n" + err.stack);
}
}
}
return true;
}
public static function init(options: SystemOptions, callback: Window->Void): Void {
SystemImpl.options = options;
#if kha_debug_html5
Browser.window.onerror = cast errorHandler;
var showWindow = Syntax.code("window.electron.showWindow");
showWindow(options.title, options.window.x, options.window.y, options.width, options.height);
initSecondStep(callback);
chrome = true;
mobileAudioPlaying = true;
#else
mobile = isMobile();
ios = isIOS();
chrome = isChrome();
firefox = isFirefox();
safari = isSafari();
ie = isIE();
mobileAudioPlaying = !mobile && !chrome && !firefox;
initSecondStep(callback);
#end
#if kha_live_reload
function openWebSocket(): Void {
var host = Browser.location.hostname;
if (host == "")
host = "localhost";
var port = Std.parseInt(Browser.location.port);
if (port == null)
port = 80;
final ws = new WebSocket('ws://$host:${port + 1}');
ws.onmessage = () -> Browser.location.reload();
}
openWebSocket();
#end
}
static function initSecondStep(callback: Window->Void): Void {
init2(options.window.width, options.window.height);
initAnimate(callback);
}
public static function initSensor(): Void {
if (ios) { // In Safari for iOS the directions are reversed on axes x, y and z
Browser.window.ondevicemotion = function(event: DeviceMotionEvent) {
Sensor._changed(0, -event.accelerationIncludingGravity.x, -event.accelerationIncludingGravity.y, -event.accelerationIncludingGravity.z);
};
}
else {
Browser.window.ondevicemotion = function(event: DeviceMotionEvent) {
Sensor._changed(0, event.accelerationIncludingGravity.x, event.accelerationIncludingGravity.y, event.accelerationIncludingGravity.z);
};
}
Browser.window.ondeviceorientation = function(event: DeviceOrientationEvent) {
Sensor._changed(1, event.beta, event.gamma, event.alpha);
};
}
static function isMobile(): Bool {
var agent = js.Browser.navigator.userAgent;
if (agent.contains("Android") || agent.contains("webOS") || agent.contains("BlackBerry") || agent.contains("Windows Phone")) {
return true;
}
if (isIOS())
return true;
return false;
}
static function isIOS(): Bool {
var agent = js.Browser.navigator.userAgent;
if (agent.contains("iPhone") || agent.contains("iPad") || agent.contains("iPod")) {
return true;
}
return false;
}
static function isChrome(): Bool {
var agent = js.Browser.navigator.userAgent;
if (agent.contains("Chrome")) {
return true;
}
return false;
}
static function isFirefox(): Bool {
var agent = js.Browser.navigator.userAgent;
if (agent.contains("Firefox")) {
return true;
}
return false;
}
static function isSafari(): Bool {
var agent = js.Browser.navigator.userAgent;
// Chrome has both in UA
if (agent.contains("Safari") && !agent.contains("Chrome")) {
return true;
}
return false;
}
static function isIE(): Bool {
var agent = js.Browser.navigator.userAgent;
if (agent.contains("MSIE ") || agent.contains("Trident/")) {
return true;
}
return false;
}
public static function setCanvas(canvas: CanvasElement): Void {
khanvas = canvas;
}
public static function getScreenRotation(): ScreenRotation {
return ScreenRotation.RotationNone;
}
public static function getTime(): Float {
final now = js.Browser.window.performance != null ? js.Browser.window.performance.now() : js.lib.Date.now();
return now / 1000;
}
public static function getSystemId(): String {
return "HTML5";
}
public static function vibrate(ms: Int): Void {
Browser.navigator.vibrate(ms);
}
public static function getLanguage(): String {
final lang = Browser.navigator.language;
return lang.substr(0, 2).toLowerCase();
}
public static function requestShutdown(): Bool {
Browser.window.close();
return true;
}
static inline var maxGamepads: Int = 4;
static var frame: Framebuffer;
static var keyboard: Keyboard = null;
static var mouse: kha.input.Mouse;
static var surface: Surface;
static var gamepads: Array<Gamepad>;
static var gamepadStates: Array<GamepadStates>;
static var minimumScroll: Int = 999;
static var mouseX: Int;
static var mouseY: Int;
static var touchX: Int;
static var touchY: Int;
static var lastFirstTouchX: Int = 0;
static var lastFirstTouchY: Int = 0;
static function init2(defaultWidth: Int, defaultHeight: Int, ?backbufferFormat: TextureFormat) {
#if !kha_no_keyboard
keyboard = new Keyboard();
#end
mouse = new kha.input.MouseImpl();
surface = new Surface();
gamepads = new Array<Gamepad>();
gamepadStates = new Array<GamepadStates>();
for (i in 0...maxGamepads) {
gamepads[i] = new Gamepad(i);
gamepadStates[i] = new GamepadStates();
}
js.Browser.window.addEventListener("gamepadconnected", (e) -> {
var pad: js.html.Gamepad = e.gamepad;
Gamepad.sendConnectEvent(pad.index);
for (i in 0...pad.buttons.length) {
gamepadStates[pad.index].buttons[i] = 0;
}
});
js.Browser.window.addEventListener("gamepaddisconnected", (e) -> {
Gamepad.sendDisconnectEvent(e.gamepad.index);
});
var sysGamepads = getGamepads();
if (sysGamepads != null) {
for (i in 0...sysGamepads.length) {
var pad = sysGamepads[i];
if (pad != null) {
gamepads[pad.index].connected = true;
}
}
}
function onCopy(e: ClipboardEvent): Void {
if (System.copyListener != null) {
var data = System.copyListener();
if (data != null)
e.clipboardData.setData("text/plain", data);
e.preventDefault();
}
}
function onCut(e: ClipboardEvent): Void {
if (System.cutListener != null) {
var data = System.cutListener();
if (data != null)
e.clipboardData.setData("text/plain", data);
e.preventDefault();
}
}
function onPaste(e: ClipboardEvent): Void {
if (System.pasteListener != null) {
System.pasteListener(e.clipboardData.getData("text/plain"));
e.preventDefault();
}
}
var document = Browser.document;
document.addEventListener("copy", onCopy);
document.addEventListener("cut", onCut);
document.addEventListener("paste", onPaste);
CanvasImage.init();
Scheduler.init();
loadFinished(defaultWidth, defaultHeight);
}
public static function copyToClipboard(text: String) {
var textArea = Browser.document.createElement("textarea");
untyped textArea.value = text;
textArea.style.top = "0";
textArea.style.left = "0";
textArea.style.position = "fixed";
Browser.document.body.appendChild(textArea);
textArea.focus();
untyped textArea.select();
try {
Browser.document.execCommand("copy");
}
catch (err) {}
Browser.document.body.removeChild(textArea);
}
public static function getMouse(num: Int): Mouse {
if (num != 0)
return null;
return mouse;
}
public static function getKeyboard(num: Int): Keyboard {
if (num != 0)
return null;
return keyboard;
}
static function checkGamepad(pad: js.html.Gamepad) {
for (i in 0...pad.axes.length) {
if (pad.axes[i] != null) {
var axis = pad.axes[i];
if (gamepadStates[pad.index].axes[i] != axis) {
gamepadStates[pad.index].axes[i] = axis;
gamepads[pad.index].sendAxisEvent(i, axis);
}
}
}
for (i in 0...pad.buttons.length) {
if (pad.buttons[i] != null) {
if (gamepadStates[pad.index].buttons[i] != pad.buttons[i].value) {
gamepadStates[pad.index].buttons[i] = pad.buttons[i].value;
gamepads[pad.index].sendButtonEvent(i, pad.buttons[i].value);
}
}
}
if (pad.axes.length <= 4 && pad.buttons.length > 7) {
// Fix for the triggers not being axis in html5
gamepadStates[pad.index].axes[4] = pad.buttons[6].value;
gamepads[pad.index].sendAxisEvent(4, pad.buttons[6].value);
gamepadStates[pad.index].axes[5] = pad.buttons[7].value;
gamepads[pad.index].sendAxisEvent(5, pad.buttons[7].value);
}
}
static function getCanvasElement(): CanvasElement {
if (khanvas != null)
return khanvas;
// Only consider custom canvas ID for release builds
#if (kha_debug_html5 || !canvas_id)
return cast Browser.document.getElementById("khanvas");
#else
return cast Browser.document.getElementById(Macros.canvasId());
#end
}
static function loadFinished(defaultWidth: Int, defaultHeight: Int) {
var canvas: CanvasElement = getCanvasElement();
canvas.style.cursor = "default";
var gl: Bool = false;
#if kha_webgl
try {
SystemImpl.gl = canvas.getContext("webgl2",
{
alpha: false,
antialias: options.framebuffer.samplesPerPixel > 1,
stencil: true
}); // preserveDrawingBuffer: true } ); Warning: preserveDrawingBuffer can cause huge performance issues on mobile browsers
SystemImpl.gl.pixelStorei(GL.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 1);
halfFloat = {HALF_FLOAT_OES: 0x140B}; // GL_HALF_FLOAT
depthTexture = {UNSIGNED_INT_24_8_WEBGL: 0x84FA}; // GL_UNSIGNED_INT_24_8
drawBuffers = {COLOR_ATTACHMENT0_WEBGL: GL.COLOR_ATTACHMENT0};
elementIndexUint = true;
SystemImpl.gl.getExtension("EXT_color_buffer_float");
SystemImpl.gl.getExtension("OES_texture_float_linear");
SystemImpl.gl.getExtension("OES_texture_half_float_linear");
anisotropicFilter = SystemImpl.gl.getExtension("EXT_texture_filter_anisotropic");
if (anisotropicFilter == null)
anisotropicFilter = SystemImpl.gl.getExtension("WEBKIT_EXT_texture_filter_anisotropic");
gl = true;
gl2 = true;
Shaders.init();
}
catch (e:Dynamic) {
trace("Could not initialize WebGL 2, falling back to WebGL.");
}
if (!gl2) {
try {
SystemImpl.gl = canvas.getContext("experimental-webgl",
{
alpha: false,
antialias: options.framebuffer.samplesPerPixel > 1,
stencil: true
}); // preserveDrawingBuffer: true } ); WARNING: preserveDrawingBuffer causes huge performance issues (on mobile browser)!
SystemImpl.gl.pixelStorei(GL.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 1);
SystemImpl.gl.getExtension("OES_texture_float");
SystemImpl.gl.getExtension("OES_texture_float_linear");
halfFloat = SystemImpl.gl.getExtension("OES_texture_half_float");
SystemImpl.gl.getExtension("OES_texture_half_float_linear");
depthTexture = SystemImpl.gl.getExtension("WEBGL_depth_texture");
SystemImpl.gl.getExtension("EXT_shader_texture_lod");
SystemImpl.gl.getExtension("OES_standard_derivatives");
anisotropicFilter = SystemImpl.gl.getExtension("EXT_texture_filter_anisotropic");
if (anisotropicFilter == null)
anisotropicFilter = SystemImpl.gl.getExtension("WEBKIT_EXT_texture_filter_anisotropic");
drawBuffers = SystemImpl.gl.getExtension("WEBGL_draw_buffers");
elementIndexUint = SystemImpl.gl.getExtension("OES_element_index_uint");
gl = true;
Shaders.init();
}
catch (e:Dynamic) {
trace("Could not initialize WebGL, falling back to <canvas>.");
}
}
#end
setCanvas(canvas);
window = new Window(0, defaultWidth, defaultHeight, canvas);
// var widthTransform: Float = canvas.width / Loader.the.width;
// var heightTransform: Float = canvas.height / Loader.the.height;
// var transform: Float = Math.min(widthTransform, heightTransform);
if (gl) {
var g4 = new kha.js.graphics4.Graphics();
frame = new Framebuffer(0, null, null, g4);
frame.init(new kha.graphics2.Graphics1(frame), new kha.js.graphics4.Graphics2(frame), g4); // new kha.graphics1.Graphics4(frame));
}
else {
Syntax.code("kha_js_Font.Kravur = kha_Kravur; kha_Kravur = kha_js_Font");
var g2 = new CanvasGraphics(canvas.getContext("2d"));
frame = new Framebuffer(0, null, g2, null);
frame.init(new kha.graphics2.Graphics1(frame), g2, null);
}
// canvas.getContext("2d").scale(transform, transform);
if (!mobile && kha.audio2.Audio._init()) {
SystemImpl._hasWebAudio = true;
kha.audio2.Audio1._init();
}
else if (mobile) {
SystemImpl._hasWebAudio = false;
MobileWebAudio._init();
Syntax.code("kha_audio2_Audio1 = kha_js_MobileWebAudio");
}
else {
SystemImpl._hasWebAudio = false;
Syntax.code("kha_audio2_Audio1 = kha_js_AudioElementAudio");
}
kha.vr.VrInterface.instance = new VrInterface();
// Autofocus
canvas.focus();
#if kha_disable_context_menu
canvas.oncontextmenu = function(event: Dynamic) {
event.stopPropagation();
event.preventDefault();
}
#end
canvas.onmousedown = mouseDown;
canvas.onmousemove = mouseMove;
if (keyboard != null) {
canvas.onkeydown = keyDown;
canvas.onkeyup = keyUp;
canvas.onkeypress = keyPress;
}
canvas.onblur = onBlur;
canvas.onfocus = onFocus;
canvas.onmouseleave = mouseLeave;
// IE11 does not have canvas.onwheel
canvas.addEventListener("wheel", mouseWheel, false);
canvas.addEventListener("touchstart", touchDown, false);
canvas.addEventListener("touchend", touchUp, false);
canvas.addEventListener("touchmove", touchMove, false);
canvas.addEventListener("touchcancel", touchCancel, false);
Browser.document.addEventListener("dragover", function(event) {
event.preventDefault();
});
Browser.document.addEventListener("drop", function(event: js.html.DragEvent) {
event.preventDefault();
if (event.dataTransfer != null && event.dataTransfer.files != null) {
for (file in event.dataTransfer.files) {
LoaderImpl.dropFiles.set(file.name, file);
System.dropFiles("drop://" + file.name);
}
}
});
Browser.window.addEventListener("unload", function() {
System.shutdown();
});
}
static var lastCanvasClientWidth: Int = -1;
static var lastCanvasClientHeight: Int = -1;
static function initAnimate(callback: Window->Void) {
var canvas: CanvasElement = getCanvasElement();
var window: Dynamic = Browser.window;
var requestAnimationFrame = window.requestAnimationFrame;
if (requestAnimationFrame == null)
requestAnimationFrame = window.mozRequestAnimationFrame;
if (requestAnimationFrame == null)
requestAnimationFrame = window.webkitRequestAnimationFrame;
if (requestAnimationFrame == null)
requestAnimationFrame = window.msRequestAnimationFrame;
var isRefreshRateDetectionActive = false;
var lastTimestamp = 0.0;
final possibleRefreshRates = [30, 60, 75, 90, 120, 144, 240, 340, 360];
final refreshRatesCounts = [
for (_ in 0...possibleRefreshRates.length)
0
];
function animate(timestamp) {
if (requestAnimationFrame == null)
Browser.window.setTimeout(animate, 1000.0 / 60.0);
else
requestAnimationFrame(animate);
var sysGamepads = getGamepads();
if (sysGamepads != null) {
for (i in 0...sysGamepads.length) {
var pad = sysGamepads[i];
if (pad != null) {
checkGamepad(pad);
}
}
}
Scheduler.executeFrame();
if (canvas.getContext != null) {
#if !kha_html5_disable_automatic_size_adjust
if (lastCanvasClientWidth != canvas.clientWidth || lastCanvasClientHeight != canvas.clientHeight) {
// canvas.width is the actual backbuffer-size.
// canvas.clientWidth (which is read-only and equivalent to
// canvas.style.width in pixels) is the output-size
// and by default gets scaled by devicePixelRatio.
// We revert that scale so backbuffer and output-size
// are the same.
var scale = Browser.window.devicePixelRatio;
var clientWidth = canvas.clientWidth;
var clientHeight = canvas.clientHeight;
canvas.width = clientWidth;
canvas.height = clientHeight;
if (scale != 1) {
canvas.style.width = Std.int(clientWidth / scale) + "px";
canvas.style.height = Std.int(clientHeight / scale) + "px";
}
lastCanvasClientWidth = canvas.clientWidth;
lastCanvasClientHeight = canvas.clientHeight;
}
#end
System.render([frame]);
if (ie && SystemImpl.gl != null) {
// Clear alpha for IE11
SystemImpl.gl.clearColor(1, 1, 1, 1);
SystemImpl.gl.colorMask(false, false, false, true);
SystemImpl.gl.clear(GL.COLOR_BUFFER_BIT);
SystemImpl.gl.colorMask(true, true, true, true);
}
}
if (!isRefreshRateDetectionActive)
return;
if (lastTimestamp == 0) {
lastTimestamp = timestamp;
return;
}
final fps = Math.floor(1000 / (timestamp - lastTimestamp));
if (estimatedRefreshRate < fps)
estimatedRefreshRate = fps;
lastTimestamp = timestamp;
for (i => rate in possibleRefreshRates) {
if (fps > rate - 3 && fps < rate + 3)
refreshRatesCounts[i]++;
}
}
Browser.window.setTimeout(() -> {
isRefreshRateDetectionActive = true;
Browser.window.setTimeout(() -> {
isRefreshRateDetectionActive = false;
// Use 60 hz if window was out of focus and throttled to 1 fps
var index = possibleRefreshRates.indexOf(60);
var max = 0;
for (i => count in refreshRatesCounts) {
if (count > max) {
max = count;
index = i;
}
}
estimatedRefreshRate = possibleRefreshRates[index];
}, 1000);
}, 500);
Scheduler.start();
requestAnimationFrame(animate);
callback(SystemImpl.window);
}
public static function lockMouse(): Void {
untyped if (SystemImpl.khanvas.requestPointerLock) {
SystemImpl.khanvas.requestPointerLock();
}
else if (SystemImpl.khanvas.mozRequestPointerLock) {
SystemImpl.khanvas.mozRequestPointerLock();
}
else if (SystemImpl.khanvas.webkitRequestPointerLock) {
SystemImpl.khanvas.webkitRequestPointerLock();
}
}
public static function unlockMouse(): Void {
untyped if (document.exitPointerLock) {
document.exitPointerLock();
}
else if (document.mozExitPointerLock) {
document.mozExitPointerLock();
}
else if (document.webkitExitPointerLock) {
document.webkitExitPointerLock();
}
}
public static function canLockMouse(): Bool {
return Syntax.code("'pointerLockElement' in document ||
'mozPointerLockElement' in document ||
'webkitPointerLockElement' in document");
}
public static function isMouseLocked(): Bool {
return Syntax.code("document.pointerLockElement === kha_SystemImpl.khanvas ||
document.mozPointerLockElement === kha_SystemImpl.khanvas ||
document.webkitPointerLockElement === kha_SystemImpl.khanvas");
}
public static function notifyOfMouseLockChange(func: Void->Void, error: Void->Void): Void {
js.Browser.document.addEventListener("pointerlockchange", func, false);
js.Browser.document.addEventListener("mozpointerlockchange", func, false);
js.Browser.document.addEventListener("webkitpointerlockchange", func, false);
js.Browser.document.addEventListener("pointerlockerror", error, false);
js.Browser.document.addEventListener("mozpointerlockerror", error, false);
js.Browser.document.addEventListener("webkitpointerlockerror", error, false);
}
public static function removeFromMouseLockChange(func: Void->Void, error: Void->Void): Void {
js.Browser.document.removeEventListener("pointerlockchange", func, false);
js.Browser.document.removeEventListener("mozpointerlockchange", func, false);
js.Browser.document.removeEventListener("webkitpointerlockchange", func, false);
js.Browser.document.removeEventListener("pointerlockerror", error, false);
js.Browser.document.removeEventListener("mozpointerlockerror", error, false);
js.Browser.document.removeEventListener("webkitpointerlockerror", error, false);
}
static function setMouseXY(event: MouseEvent): Void {
var rect = SystemImpl.khanvas.getBoundingClientRect();
var borderWidth = SystemImpl.khanvas.clientLeft;
var borderHeight = SystemImpl.khanvas.clientTop;
mouseX = Std.int((event.clientX - rect.left - borderWidth) * SystemImpl.khanvas.width / (rect.width - 2 * borderWidth));
mouseY = Std.int((event.clientY - rect.top - borderHeight) * SystemImpl.khanvas.height / (rect.height - 2 * borderHeight));
}
static var iosSoundEnabled: Bool = false;
static function unlockiOSSound(): Void {
if (!ios || iosSoundEnabled)
return;
var buffer = MobileWebAudio._context.createBuffer(1, 1, 22050);
var source = MobileWebAudio._context.createBufferSource();
source.buffer = buffer;
source.connect(MobileWebAudio._context.destination);
// untyped(if (source.noteOn) source.noteOn(0));
source.start();
source.stop();
iosSoundEnabled = true;
}
static var soundEnabled = false;
static function unlockSound(): Void {
if (!soundEnabled) {
var context = kha.audio2.Audio._context;
if (context == null) {
context = Syntax.code("kha_audio2_Audio1._context");
}
if (context != null) {
context.resume().then(function(c) {
soundEnabled = true;
}).catchError(function(err) {
trace(err);
});
}
kha.audio2.Audio.wakeChannels();
}
unlockiOSSound();
}
static function mouseLeave(): Void {
mouse.sendLeaveEvent(0);
}
static function mouseWheel(event: WheelEvent): Void {
unlockSound();
insideInputEvent = true;
activeWheelEvent = event;
switch (Mouse.wheelEventBlockBehavior) {
case Full:
event.preventDefault();
case Custom(func):
if (func(event))
event.preventDefault();
case None:
}
// Deltamode == 0, deltaY is in pixels.
if (event.deltaMode == 0) {
if (event.deltaY < 0) {
mouse.sendWheelEvent(0, -1);
}
else if (event.deltaY > 0) {
mouse.sendWheelEvent(0, 1);
}
activeWheelEvent = null;
insideInputEvent = false;
return;
}
// Lines
if (event.deltaMode == 1) {
minimumScroll = Std.int(Math.min(minimumScroll, Math.abs(event.deltaY)));
mouse.sendWheelEvent(0, Std.int(event.deltaY / minimumScroll));
activeWheelEvent = null;
insideInputEvent = false;
return;
}
activeWheelEvent = null;
insideInputEvent = false;
return;
}
static function mouseDown(event: MouseEvent): Void {
insideInputEvent = true;
activeMouseEvent = event;
unlockSound();
setMouseXY(event);
if (event.which == 1) { // left button
mouse.sendDownEvent(0, 0, mouseX, mouseY);
khanvas.ownerDocument.addEventListener("mousemove", documentMouseMove, true);
khanvas.ownerDocument.addEventListener("mouseup", mouseLeftUp);
}
else if (event.which == 2) { // middle button
mouse.sendDownEvent(0, 2, mouseX, mouseY);
khanvas.ownerDocument.addEventListener("mouseup", mouseMiddleUp);
}
else if (event.which == 3) { // right button
mouse.sendDownEvent(0, 1, mouseX, mouseY);
khanvas.ownerDocument.addEventListener("mouseup", mouseRightUp);
}
else if (event.which == 4) { // backwards sidebutton
mouse.sendDownEvent(0, 3, mouseX, mouseY);
khanvas.ownerDocument.addEventListener("mouseup", mouseBackUp);
}
else if (event.which == 5) { // forwards sidebutton
mouse.sendDownEvent(0, 4, mouseX, mouseY);
khanvas.ownerDocument.addEventListener("mouseup", mouseForwardUp);
}
activeMouseEvent = null;
insideInputEvent = false;
}
static function mouseLeftUp(event: MouseEvent): Void {
unlockSound();
if (event.which != 1)
return;
insideInputEvent = true;
khanvas.ownerDocument.removeEventListener("mouseup", mouseLeftUp);
khanvas.ownerDocument.removeEventListener("mousemove", documentMouseMove, true);
mouse.sendUpEvent(0, 0, mouseX, mouseY);
insideInputEvent = false;
}
static function mouseMiddleUp(event: MouseEvent): Void {
unlockSound();
if (event.which != 2)
return;
insideInputEvent = true;
khanvas.ownerDocument.removeEventListener("mouseup", mouseMiddleUp);
mouse.sendUpEvent(0, 2, mouseX, mouseY);
insideInputEvent = false;
}
static function mouseRightUp(event: MouseEvent): Void {
unlockSound();
if (event.which != 3)
return;
insideInputEvent = true;
khanvas.ownerDocument.removeEventListener("mouseup", mouseRightUp);
mouse.sendUpEvent(0, 1, mouseX, mouseY);
insideInputEvent = false;
}
static function mouseBackUp(event: MouseEvent): Void {
unlockSound();
if (event.which != 4)
return;
insideInputEvent = true;
khanvas.ownerDocument.removeEventListener("mouseup", mouseBackUp);
mouse.sendUpEvent(0, 3, mouseX, mouseY);
insideInputEvent = false;
}
static function mouseForwardUp(event: MouseEvent): Void {
unlockSound();
if (event.which != 5)
return;
insideInputEvent = true;
khanvas.ownerDocument.removeEventListener("mouseup", mouseForwardUp);
mouse.sendUpEvent(0, 4, mouseX, mouseY);
insideInputEvent = false;
}
static function documentMouseMove(event: MouseEvent): Void {
event.stopPropagation();
mouseMove(event);
}
static function mouseMove(event: MouseEvent): Void {
insideInputEvent = true;
activeMouseEvent = event;
var lastMouseX = mouseX;
var lastMouseY = mouseY;
setMouseXY(event);
var movementX = event.movementX;
var movementY = event.movementY;
if (event.movementX == null) {
movementX = (untyped event.mozMovementX != null) ? untyped event.mozMovementX : ((untyped event.webkitMovementX != null) ? untyped event.webkitMovementX : (mouseX
- lastMouseX));
movementY = (untyped event.mozMovementY != null) ? untyped event.mozMovementY : ((untyped event.webkitMovementY != null) ? untyped event.webkitMovementY : (mouseY
- lastMouseY));
}
// this ensures same behaviour across browser until they fix it
if (firefox) {
movementX = Std.int(movementX * Browser.window.devicePixelRatio);
movementY = Std.int(movementY * Browser.window.devicePixelRatio);
}
mouse.sendMoveEvent(0, mouseX, mouseY, movementX, movementY);
activeMouseEvent = null;
insideInputEvent = false;
}
static function setTouchXY(touch: Touch): Void {
var rect = SystemImpl.khanvas.getBoundingClientRect();
var borderWidth = SystemImpl.khanvas.clientLeft;
var borderHeight = SystemImpl.khanvas.clientTop;
touchX = Std.int((touch.clientX - rect.left - borderWidth) * SystemImpl.khanvas.width / (rect.width - 2 * borderWidth));
touchY = Std.int((touch.clientY - rect.top - borderHeight) * SystemImpl.khanvas.height / (rect.height - 2 * borderHeight));
}
static var iosTouchs: Array<Int> = [];
static function touchDown(event: TouchEvent): Void {
insideInputEvent = true;
unlockSound();
event.stopPropagation();
switch (Surface.touchDownEventBlockBehavior) {
case Full:
event.preventDefault();
case Custom(func):
if (func(event))
event.preventDefault();
case None:
}
var index = 0;
for (touch in event.changedTouches) {
var id = touch.identifier;
if (ios) {
id = iosTouchs.indexOf(-1);
if (id == -1)
id = iosTouchs.length;
iosTouchs[id] = touch.identifier;
}
setTouchXY(touch);
mouse.sendDownEvent(0, 0, touchX, touchY);
surface.sendTouchStartEvent(id, touchX, touchY);
if (index == 0) {
lastFirstTouchX = touchX;
lastFirstTouchY = touchY;
}
index++;
}
insideInputEvent = false;
}
static function touchUp(event: TouchEvent): Void {
insideInputEvent = true;
unlockSound();
for (touch in event.changedTouches) {
var id = touch.identifier;
if (ios) {
id = iosTouchs.indexOf(id);
iosTouchs[id] = -1;
}
setTouchXY(touch);
mouse.sendUpEvent(0, 0, touchX, touchY);
surface.sendTouchEndEvent(id, touchX, touchY);
}
insideInputEvent = false;
}
static function touchMove(event: TouchEvent): Void {
insideInputEvent = true;
unlockSound();
var index = 0;
for (touch in event.changedTouches) {
setTouchXY(touch);
if (index == 0) {
var movementX = touchX - lastFirstTouchX;
var movementY = touchY - lastFirstTouchY;
lastFirstTouchX = touchX;
lastFirstTouchY = touchY;
mouse.sendMoveEvent(0, touchX, touchY, movementX, movementY);
}
var id = touch.identifier;
if (ios)
id = iosTouchs.indexOf(id);
surface.sendMoveEvent(id, touchX, touchY);
index++;