From c1c6ca2e94f7f372acd9627aaeeb5192660b0a73 Mon Sep 17 00:00:00 2001 From: Zebediah Figura Date: Tue, 12 Feb 2019 00:06:06 -0600 Subject: [PATCH] xinput: Use a struct instead of an array to store axis information. Signed-off-by: Zebediah Figura Signed-off-by: Aric Stewart Signed-off-by: Alexandre Julliard --- dlls/xinput1_3/hid.c | 80 +++++++++++++++++--------------------------- 1 file changed, 30 insertions(+), 50 deletions(-) diff --git a/dlls/xinput1_3/hid.c b/dlls/xinput1_3/hid.c index f276fe32294..7553aaba631 100644 --- a/dlls/xinput1_3/hid.c +++ b/dlls/xinput1_3/hid.c @@ -59,6 +59,13 @@ static CRITICAL_SECTION_DEBUG hid_critsect_debug = }; static CRITICAL_SECTION hid_xinput_crit = { &hid_critsect_debug, -1, 0, 0, 0, 0 }; +struct axis_info +{ + LONG min; + LONG range; + USHORT bits; +}; + struct hid_platform_private { PHIDP_PREPARSED_DATA ppd; HANDLE device; @@ -71,50 +78,23 @@ struct hid_platform_private { BYTE current_report; CHAR *reports[2]; - LONG ThumbLXRange[3]; - LONG ThumbLYRange[3]; - LONG LeftTriggerRange[3]; - LONG ThumbRXRange[3]; - LONG ThumbRYRange[3]; - LONG RightTriggerRange[3]; + struct axis_info lx, ly, ltrigger, rx, ry, rtrigger; }; static DWORD last_check = 0; static void MarkUsage(struct hid_platform_private *private, WORD usage, LONG min, LONG max, USHORT bits) { + struct axis_info info = {min, max-min, bits}; + switch (usage) { - case HID_USAGE_GENERIC_X: - private->ThumbLXRange[0] = min; - private->ThumbLXRange[1] = bits; - private->ThumbLXRange[2] = max - min; - break; - case HID_USAGE_GENERIC_Y: - private->ThumbLYRange[0] = min; - private->ThumbLYRange[1] = bits; - private->ThumbLYRange[2] = max - min; - break; - case HID_USAGE_GENERIC_Z: - private->LeftTriggerRange[0] = min; - private->LeftTriggerRange[1] = bits; - private->LeftTriggerRange[2] = max - min; - break; - case HID_USAGE_GENERIC_RX: - private->ThumbRXRange[0] = min; - private->ThumbRXRange[1] = bits; - private->ThumbRXRange[2] = max - min; - break; - case HID_USAGE_GENERIC_RY: - private->ThumbRYRange[0] = min; - private->ThumbRYRange[1] = bits; - private->ThumbRYRange[2] = max - min; - break; - case HID_USAGE_GENERIC_RZ: - private->RightTriggerRange[0] = min; - private->RightTriggerRange[1] = bits; - private->RightTriggerRange[2] = max - min; - break; + case HID_USAGE_GENERIC_X: private->lx = info; break; + case HID_USAGE_GENERIC_Y: private->ly = info; break; + case HID_USAGE_GENERIC_Z: private->ltrigger = info; break; + case HID_USAGE_GENERIC_RX: private->rx = info; break; + case HID_USAGE_GENERIC_RY: private->ry = info; break; + case HID_USAGE_GENERIC_RZ: private->rtrigger = info; break; } } @@ -166,27 +146,27 @@ static BOOL VerifyGamepad(PHIDP_PREPARSED_DATA ppd, XINPUT_CAPABILITIES *xinput_ } HeapFree(GetProcessHeap(), 0, value_caps); - if (private->LeftTriggerRange[1]) + if (private->ltrigger.bits) xinput_caps->Gamepad.bLeftTrigger = (1u << (sizeof(xinput_caps->Gamepad.bLeftTrigger) + 1)) - 1; else WARN("Missing axis LeftTrigger\n"); - if (private->RightTriggerRange[1]) + if (private->rtrigger.bits) xinput_caps->Gamepad.bRightTrigger = (1u << (sizeof(xinput_caps->Gamepad.bRightTrigger) + 1)) - 1; else WARN("Missing axis RightTrigger\n"); - if (private->ThumbLXRange[1]) + if (private->lx.bits) xinput_caps->Gamepad.sThumbLX = (1u << (sizeof(xinput_caps->Gamepad.sThumbLX) + 1)) - 1; else WARN("Missing axis ThumbLX\n"); - if (private->ThumbLYRange[1]) + if (private->ly.bits) xinput_caps->Gamepad.sThumbLY = (1u << (sizeof(xinput_caps->Gamepad.sThumbLY) + 1)) - 1; else WARN("Missing axis ThumbLY\n"); - if (private->ThumbRXRange[1]) + if (private->rx.bits) xinput_caps->Gamepad.sThumbRX = (1u << (sizeof(xinput_caps->Gamepad.sThumbRX) + 1)) - 1; else WARN("Missing axis ThumbRX\n"); - if (private->ThumbRYRange[1]) + if (private->ry.bits) xinput_caps->Gamepad.sThumbRY = (1u << (sizeof(xinput_caps->Gamepad.sThumbRY) + 1)) - 1; else WARN("Missing axis ThumbRY\n"); @@ -338,8 +318,8 @@ void HID_destroy_gamepads(xinput_controller *devices) LeaveCriticalSection(&hid_xinput_crit); } -#define SCALE_SHORT(v,r) (SHORT)((((0xffff)*(v - r[0]))/r[2])-32767) -#define SCALE_BYTE(v,r) (BYTE)((((0xff)*(v - r[0]))/r[2])) +#define SCALE_SHORT(v,r) (SHORT)((((0xffff)*(v - (r).min))/(r).range)-32767) +#define SCALE_BYTE(v,r) (BYTE)((((0xff)*(v - (r).min))/(r).range)) void HID_update_state(xinput_controller* device) { @@ -402,22 +382,22 @@ void HID_update_state(xinput_controller* device) } HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_X, &value, private->ppd, target_report, private->report_length); - device->state.Gamepad.sThumbLX = SCALE_SHORT(value, private->ThumbLXRange); + device->state.Gamepad.sThumbLX = SCALE_SHORT(value, private->lx); HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Y, &value, private->ppd, target_report, private->report_length); - device->state.Gamepad.sThumbLY = -SCALE_SHORT(value, private->ThumbLYRange); + device->state.Gamepad.sThumbLY = -SCALE_SHORT(value, private->ly); HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RX, &value, private->ppd, target_report, private->report_length); - device->state.Gamepad.sThumbRX = SCALE_SHORT(value, private->ThumbRXRange); + device->state.Gamepad.sThumbRX = SCALE_SHORT(value, private->rx); HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RY, &value, private->ppd, target_report, private->report_length); - device->state.Gamepad.sThumbRY = -SCALE_SHORT(value, private->ThumbRYRange); + device->state.Gamepad.sThumbRY = -SCALE_SHORT(value, private->ry); HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RZ, &value, private->ppd, target_report, private->report_length); - device->state.Gamepad.bRightTrigger = SCALE_BYTE(value, private->RightTriggerRange); + device->state.Gamepad.bRightTrigger = SCALE_BYTE(value, private->rtrigger); HidP_GetScaledUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Z, &value, private->ppd, target_report, private->report_length); - device->state.Gamepad.bLeftTrigger = SCALE_BYTE(value, private->LeftTriggerRange); + device->state.Gamepad.bLeftTrigger = SCALE_BYTE(value, private->ltrigger); LeaveCriticalSection(&private->crit); }