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[WiiU] DRC Touch - scale to game image viewport

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Ash 2017-11-04 16:14:28 +11:00
parent a3e4a7612f
commit fc79fec964
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GPG Key ID: F8C85A8C836C0A7E
1 changed files with 23 additions and 3 deletions
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26
input/drivers_joypad/wiiu_joypad.c
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@ -212,13 +212,33 @@ static void wiiu_joypad_poll(void)
VPADTouchData cal = {0};
/* Calibrates data to a 720p screen, seems to clamp outer 12px */
VPADGetTPCalibratedPoint(0, &cal, &(vpad.tpNormal));
/* Clamp to actual game image */
bool touchClamped = false;
if (cal.x < vp.x) {
cal.x = vp.x;
touchClamped = true;
} else if (cal.x > vp.x + vp.width) {
cal.x = vp.x + vp.width;
touchClamped = true;
}
if (cal.y < vp.y) {
cal.y = vp.y;
touchClamped = true;
} else if (cal.y > vp.y + vp.height) {
cal.y = vp.y + vp.height;
touchClamped = true;
}
/* Calibrate to libretro spec and save as axis 2 (idx 4,5) */
analog_state[0][2][0] = scaleTP(12, 1268, -0x7fff, 0x7fff, cal.x);
analog_state[0][2][1] = scaleTP(12, 708, -0x7fff, 0x7fff, cal.y);
analog_state[0][2][0] = scaleTP(vp.x, vp.x + vp.width, -0x7fff, 0x7fff, cal.x);
analog_state[0][2][1] = scaleTP(vp.y, vp.y + vp.height, -0x7fff, 0x7fff, cal.y);
/* Emulating a button (#19) for touch; lets people assign it to menu
for that traditional RetroArch Wii U feel */
pad_state[0] |= VPAD_BUTTON_TOUCH;
if (!touchClamped) {
pad_state[0] |= VPAD_BUTTON_TOUCH;
} else {
pad_state[0] &= ~VPAD_BUTTON_TOUCH;
}
} else {
/* This is probably 0 anyway */
pad_state[0] &= ~VPAD_BUTTON_TOUCH;