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clamp axis values to -1.0 - 1.0, at least firefox can report values outside that range

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This commit is contained in:
Toad King 2018-01-14 03:43:23 -06:00
parent 2d27a8c3e2
commit b3900217da
1 changed files with 7 additions and 2 deletions
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9
input/drivers_joypad/rwebpad_joypad.c
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@ -25,6 +25,8 @@
#include "../../tasks/tasks_internal.h"
#include "../../verbosity.h"
#define CLAMPDOUBLE(x) MIN(1.0, MAX(-1.0, (x)))
static bool g_rwebpad_initialized;
static EM_BOOL rwebpad_gamepad_cb(int event_type,
@ -143,19 +145,22 @@ static int16_t rwebpad_joypad_axis(unsigned port_num, uint32_t joyaxis)
EMSCRIPTEN_RESULT r;
int16_t val = 0;
if (joyaxis == 0xFFFFFFFF)
return 0;
r = emscripten_get_gamepad_status(port_num, &gamepad_state);
if (r == EMSCRIPTEN_RESULT_SUCCESS)
{
if (AXIS_NEG_GET(joyaxis) < gamepad_state.numAxes)
{
val = gamepad_state.axis[AXIS_NEG_GET(joyaxis)] * 0x7FFF;
val = CLAMPDOUBLE(gamepad_state.axis[AXIS_NEG_GET(joyaxis)]) * 0x7FFF;
if (val > 0)
val = 0;
}
else if (AXIS_POS_GET(joyaxis) < gamepad_state.numAxes)
{
val = gamepad_state.axis[AXIS_POS_GET(joyaxis)] * 0x7FFF;
val = CLAMPDOUBLE(gamepad_state.axis[AXIS_POS_GET(joyaxis)]) * 0x7FFF;
if (val < 0)
val = 0;
}