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Added Clamping to Joystick Values

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Added Clamp function to general.c
Now clamps all final joystick values to be from 0 - 32767 (2^15 - 1).

Output from the 3ds was giving a strange range on the values, even though the
code expected it to be in the range -128 to 128.

Was more like -146 to 146 on the c-stick, and -170 to 170 on the circle pad.
This may remove some of the resolution of the sticks, but increase compatability with programs.
This commit is contained in:
Alex Rowe 2017-02-12 15:33:25 -06:00
parent 63268cd32e
commit f5bc0146d7
4 changed files with 36 additions and 22 deletions
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BIN
PC/3DSController.exe
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2
PC/include/general.h
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@ -3,3 +3,5 @@
#include <stdio.h>
void error(const char *functionName);
int clamp(int val, int min, int max);

12
PC/source/general.c
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@ -16,3 +16,15 @@ void error(const char *functionName) {
exit(0);
}
int clamp (int val, int min, int max) {
if (val < min) {
return min;
}
if (val > max) {
return max;
}
return val;
}

16
PC/source/main.c
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@ -216,13 +216,13 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpCmd, int nShow)
SetCursorPos(p.x + (circlePad.x * settings.mouseSpeed) / 32, p.y - (circlePad.y * settings.mouseSpeed) / 32);
}
else if(settings.circlePad == joystick1) {
joyX = (circlePad.x + 128) * 128;
joyY = (128 - circlePad.y) * 128;
joyX = clamp((circlePad.x + 128) * 128, 0, 32767);
joyY = clamp((128 - circlePad.y) * 128, 0, 32767);
}
else if(settings.circlePad == joystick2) {
joyRX = (circlePad.x + 128) * 128;
joyRY = (128 - circlePad.y) * 128;
joyRX = clamp((circlePad.x + 128) * 128, 0, 32767);
joyRY = clamp((128 - circlePad.y) * 128, 0, 32767);
}
if(settings.cStick == mouse) {
@ -235,13 +235,13 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpCmd, int nShow)
}
else if(settings.cStick == joystick1) {
joyX = (cStick.x + 128) * 128;
joyY = (128 - cStick.y) * 128;
joyX = clamp((cStick.x + 128) * 128, 0, 32767);
joyY = clamp((128 - cStick.y) * 128, 0, 32767);
}
else if(settings.cStick == joystick2) {
joyRX = (cStick.x + 128) * 128;
joyRY = (128 - cStick.y) * 128;
joyRX = clamp((cStick.x + 128) * 128, 0, 32767);
joyRY = clamp((128 - cStick.y) * 128, 0, 32767);
}