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refactor main callback

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check for empty input as suggested by @aroidzap
This commit is contained in:
a1xd 2021-01-07 12:52:51 -05:00
parent dc38efedbe
commit be22e78f96
1 changed files with 23 additions and 28 deletions
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51
driver/driver.cpp
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@ -54,20 +54,18 @@ Arguments:
WDFDEVICE hDevice = WdfWdmDeviceGetWdfDeviceHandle(DeviceObject);
PDEVICE_EXTENSION devExt = FilterGetData(hDevice);
bool devMatch = true;
if (global.args.device_hw_id[0] != 0) {
devMatch = wcsncmp(devExt->hwid, global.args.device_hw_id, MAX_HWID_LEN) == 0;
}
auto num_packets = InputDataEnd - InputDataStart;
if (!(InputDataStart->Flags & MOUSE_MOVE_ABSOLUTE)) {
auto num_packets = InputDataEnd - InputDataStart;
bool any = num_packets > 0;
bool rel_move = !(InputDataStart->Flags & MOUSE_MOVE_ABSOLUTE);
bool dev_match = global.args.device_hw_id[0] == 0 ||
wcsncmp(devExt->hwid, global.args.device_hw_id, MAX_HWID_LEN) == 0;
if (any && rel_move && dev_match) {
// if IO is backed up to the point where we get more than 1 packet here
// then applying accel is pointless as we can't get an accurate timing
bool enable_accel = num_packets == 1;
vec2d carry = devExt->carry;
auto it = InputDataStart;
do {
vec2d input = {
@ -75,39 +73,36 @@ Arguments:
static_cast<double>(it->LastY)
};
if (devMatch) {
global.modifier.apply_rotation(input);
global.modifier.apply_rotation(input);
if (enable_accel) {
auto time_supplier = [=] {
counter_t now = KeQueryPerformanceCounter(NULL).QuadPart;
counter_t ticks = now - devExt->counter;
devExt->counter = now;
milliseconds time = ticks * global.tick_interval;
return clampsd(time, global.args.time_min, 100);
};
if (enable_accel) {
auto time_supplier = [=] {
counter_t now = KeQueryPerformanceCounter(NULL).QuadPart;
counter_t ticks = now - devExt->counter;
devExt->counter = now;
milliseconds time = ticks * global.tick_interval;
return clampsd(time, global.args.time_min, 100);
};
global.modifier.apply_acceleration(input, time_supplier);
}
global.modifier.apply_sensitivity(input);
global.modifier.apply_acceleration(input, time_supplier);
}
double carried_result_x = input.x + carry.x;
double carried_result_y = input.y + carry.y;
global.modifier.apply_sensitivity(input);
double carried_result_x = input.x + devExt->carry.x;
double carried_result_y = input.y + devExt->carry.y;
LONG out_x = static_cast<LONG>(carried_result_x);
LONG out_y = static_cast<LONG>(carried_result_y);
carry.x = carried_result_x - out_x;
carry.y = carried_result_y - out_y;
devExt->carry.x = carried_result_x - out_x;
devExt->carry.y = carried_result_y - out_y;
it->LastX = out_x;
it->LastY = out_y;
} while (++it != InputDataEnd);
devExt->carry = carry;
}
(*(PSERVICE_CALLBACK_ROUTINE)devExt->UpperConnectData.ClassService)(