protected override void OnStartRunning()
{
base.OnStartRunning();
if (initialized)
{
return;
}
// must init after window
InputHTMLNativeCalls.JSInitInput();
firstTouch = -1;
initialized = true;
}
protected override void OnUpdate()
{
// handle lost/reset
if (InputHTMLNativeCalls.JSGetCanvasLost())
{
m_inputState.Clear();
InputHTMLNativeCalls.JSResetStreams();
InputHTMLNativeCalls.JSInitInput();
firstTouch = -1;
return;
}
if (InputHTMLNativeCalls.JSGetFocusLost())
{
m_inputState.Clear();
InputHTMLNativeCalls.JSResetStreams();
firstTouch = -1;
return;
}
// advance input state
base.OnUpdate();
// keys
int keyStreamLen;
unsafe
{
fixed(int *ptr = streamBuf)
{
keyStreamLen = InputHTMLNativeCalls.JSGetKeyStream(streamBuf.Length, ptr);
}
}
for (int i = 0; i < keyStreamLen; i += 2)
{
int action = streamBuf[i];
int key = streamBuf[i + 1];
KeyCode translatedKey = TranslateKey(key);
if (translatedKey == KeyCode.None)
{
continue;
}
if (action == 0)
{
m_inputState.KeyUp(translatedKey);
}
else if (action == 1)
{
m_inputState.KeyDown(translatedKey);
}
}
// mouse (move + up/down)
int mouseStreamLen;
unsafe
{
fixed(int *ptr = streamBuf)
{
mouseStreamLen = InputHTMLNativeCalls.JSGetMouseStream(streamBuf.Length, ptr);
}
}
for (int i = 0; i < mouseStreamLen; i += 4)
{
int ev = streamBuf[i];
int button = streamBuf[i + 1];
int x = streamBuf[i + 2];
int y = streamBuf[i + 3];
if (ev == 0)
{
m_inputState.MouseUp(button);
}
else if (ev == 1)
{
m_inputState.MouseDown(button);
}
m_inputState.mouseX = x;
m_inputState.mouseY = y;
}
if (mouseStreamLen != 0)
{
m_inputState.hasMouse = true;
}
// touches
int touchStreamLen;
unsafe
{
fixed(int *ptr = streamBuf)
{
touchStreamLen = InputHTMLNativeCalls.JSGetTouchStream(streamBuf.Length, ptr);
}
}
for (int i = 0; i < touchStreamLen; i += 4)
{
int ev = streamBuf[i];
int id = streamBuf[i + 1];
int x = streamBuf[i + 2];
int y = streamBuf[i + 3];
TouchState phase;
switch (ev)
{
case 0:
phase = TouchState.Ended;
break;
case 1:
phase = TouchState.Began;
break;
case 2:
phase = TouchState.Moved;
break;
case 3:
phase = TouchState.Canceled;
break;
default:
continue;
}
m_inputState.TouchEvent(id, phase, x, y);
// simulate mouse from touch as well
if (!m_inputState.hasMouse)
{
if (ev == 0 || ev == 3)
{
if (firstTouch == id)
{
m_inputState.MouseUp(0);
firstTouch = -1;
}
}
else if (ev == 1)
{
if (firstTouch == -1)
{
firstTouch = id;
m_inputState.MouseDown(0);
}
}
if (firstTouch == id)
{
m_inputState.mouseX = x;
m_inputState.mouseY = y;
}
}
}
InputHTMLNativeCalls.JSResetStreams();
}