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Ripiz

Receiving Raw Input problem

2 posts in this topic

Hello,

I've been looking for best (or at least good) way to handle input for the game. First result in search says I should use raw input, which I'm trying to implement now. If anyone knows any better way I'll be happy to hear it
I initialized raw input for mouse and keyboard and attempted to receive it, however I'm having some troubles with mouse clicks. I end up clicking right mouse button like 10 times before I receive data that it was pressed, after that it just gets stuck pressed down. Anyone know what I'm doing wrong?

Initialization:
[CODE]
RAWINPUTDEVICE Rid[2];
Rid[0].usUsagePage = 0x01;
Rid[0].usUsage = 0x02;
Rid[0].dwFlags = 0;
Rid[0].hwndTarget = 0;
Rid[1].usUsagePage = 0x01;
Rid[1].usUsage = 0x06;
Rid[1].dwFlags = 0;
Rid[1].hwndTarget = 0;
if (RegisterRawInputDevices(Rid, 2, sizeof(Rid[0])) == FALSE)
Crash(L"Failed to initialize Raw Input");
[/CODE]

Reading/Receiving input:
[CODE]
UINT Size;
GetRawInputBuffer(0, &Size, sizeof(RAWINPUTHEADER));
if(!Size)
return;
Size *= 8;
void *Buffer = _aligned_malloc(Size, 8);
UINT NumBlocks = GetRawInputBuffer((RAWINPUT*)Buffer, &Size, sizeof(RAWINPUTHEADER));
if(NumBlocks == -1)
Crash(L"Error receiving Raw Input");
RAWINPUT *RawInput = (RAWINPUT*)Buffer;
for(UINT i = 0; i < NumBlocks; ++i) {
switch(RawInput->header.dwType) {
case RIM_TYPEMOUSE:
UpdateMouse((RAWMOUSE*)RawInput->data.hid.bRawData);
break;
case RIM_TYPEKEYBOARD:
UpdateKeyboard((RAWKEYBOARD*)RawInput->data.hid.bRawData);
break;
default:
break;
}
NEXTRAWINPUTBLOCK(RawInput);
}
_aligned_free(Buffer);
[/CODE]

Saving mouse button states:
[CODE]
void UpdateMouse(RAWMOUSE *Input) {
if(Input->usButtonFlags & RI_MOUSE_BUTTON_1_DOWN)
mMouseButtonState |= RI_MOUSE_BUTTON_1_DOWN;
if(Input->usButtonFlags & RI_MOUSE_BUTTON_1_UP)
if(mMouseButtonState & RI_MOUSE_BUTTON_1_DOWN)
mMouseButtonState ^= RI_MOUSE_BUTTON_1_DOWN;
// mouse buttons 2-5 are handled in identical way by swapping 1 to other number
[/CODE]

Getting mouse state from outside this object:
[CODE]
bool GetMouseButtonState(uint8 i) {
switch(i) {
case 0:
return (mMouseButtonState & RI_MOUSE_BUTTON_1_DOWN) != 0;
case 1:
return (mMouseButtonState & RI_MOUSE_BUTTON_2_DOWN) != 0;
case 2:
return (mMouseButtonState & RI_MOUSE_BUTTON_3_DOWN) != 0;
case 3:
return (mMouseButtonState & RI_MOUSE_BUTTON_4_DOWN) != 0;
case 4:
return (mMouseButtonState & RI_MOUSE_BUTTON_5_DOWN) != 0;
default:
return false;
}
}
[/CODE]

Thank you in advance.
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Not sure why it doesnt work, it looks like it should. I remember not having much luck with GetRawInputBuffer(), so I use GetRawInputData() and handle the WM_INPUT message, if you dont figure you might try that.
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[color=#282828][font=helvetica, arial, verdana, tahoma, sans-serif][size=3][left]GetRawInputData() inside [/left][/size][/font][/color][color=#282828][font=helvetica, arial, verdana, tahoma, sans-serif][size=3][left]WM_INPUT seems to work correctly. Thank you.[/left][/size][/font][/color]
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