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Added controller support to GLFW3 backend

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This commit is contained in:
Clownacy 2020-04-03 16:53:58 +01:00
parent 40464a9fc0
commit 5bb839136b
1 changed files with 60 additions and 4 deletions
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62
src/Backends/GLFW3/Controller.cpp
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@ -1,7 +1,17 @@
#include "../Controller.h" #include "../Controller.h"
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include "../../WindowsWrapper.h" #include "../../WindowsWrapper.h"
#define DEADZONE (10000.0f / 32767.0f)
static BOOL joystick_connected;
static int connected_joystick_id;
static float joystick_neutral_x;
static float joystick_neutral_y;
void ControllerBackend_Deinit(void) void ControllerBackend_Deinit(void)
{ {
@ -9,17 +19,63 @@ void ControllerBackend_Deinit(void)
BOOL ControllerBackend_Init(void) BOOL ControllerBackend_Init(void)
{ {
return FALSE; for (int i = GLFW_JOYSTICK_1; i < GLFW_JOYSTICK_LAST; ++i)
{
if (glfwJoystickPresent(i) == GLFW_TRUE && glfwJoystickIsGamepad(i) == GLFW_TRUE)
{
joystick_connected = TRUE;
connected_joystick_id = i;
break;
}
}
return joystick_connected;
} }
BOOL ControllerBackend_GetJoystickStatus(JOYSTICK_STATUS *status) BOOL ControllerBackend_GetJoystickStatus(JOYSTICK_STATUS *status)
{ {
(void)status; if (!joystick_connected)
return FALSE; return FALSE;
if (glfwJoystickPresent(connected_joystick_id) == GLFW_FALSE || glfwJoystickIsGamepad(connected_joystick_id) == GLFW_FALSE)
return FALSE;
int total_axis;
const float *axis = glfwGetJoystickAxes(connected_joystick_id, &total_axis);
status->bLeft = axis[0] < joystick_neutral_x - DEADZONE;
status->bRight = axis[0] > joystick_neutral_x + DEADZONE;
status->bUp = axis[1] < joystick_neutral_x - DEADZONE;
status->bDown = axis[1] > joystick_neutral_x + DEADZONE;
int total_buttons;
const unsigned char *buttons = glfwGetJoystickButtons(connected_joystick_id, &total_buttons);
if (total_buttons > 32)
total_buttons = 32;
for (int i = 0; i < total_buttons; ++i)
status->bButton[i] = buttons[i] == GLFW_PRESS;
for (int i = total_buttons; i < 32; ++i)
status->bButton[i] = FALSE;
return TRUE;
} }
BOOL ControllerBackend_ResetJoystickStatus(void) BOOL ControllerBackend_ResetJoystickStatus(void)
{ {
if (!joystick_connected)
return FALSE; return FALSE;
if (glfwJoystickPresent(connected_joystick_id) == GLFW_FALSE || glfwJoystickIsGamepad(connected_joystick_id) == GLFW_FALSE)
return FALSE;
int total_axis;
const float *axis = glfwGetJoystickAxes(connected_joystick_id, &total_axis);
joystick_neutral_x = axis[0];
joystick_neutral_y = axis[1];
return TRUE;
} }