mirror of https://github.com/encounter/SDL.git
Open and test all connected controllers
This commit is contained in:
Sam Lantinga
parent
1c865c460b
commit
012471e959
|
|
@ -68,6 +68,141 @@ SDL_bool done = SDL_FALSE;
|
|||
SDL_bool set_LED = SDL_FALSE;
|
||||
SDL_Texture *background_front, *background_back, *button, *axis;
|
||||
SDL_GameController *gamecontroller;
|
||||
SDL_GameController **gamecontrollers;
|
||||
int num_controllers = 0;
|
||||
|
||||
static void UpdateWindowTitle()
|
||||
{
|
||||
if (!window) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (gamecontroller) {
|
||||
const char *name = SDL_GameControllerName(gamecontroller);
|
||||
const char *serial = SDL_GameControllerGetSerial(gamecontroller);
|
||||
const char *basetitle = "Game Controller Test: ";
|
||||
const size_t titlelen = SDL_strlen(basetitle) + SDL_strlen(name) + (serial ? 3 + SDL_strlen(serial) : 0) + 1;
|
||||
char *title = (char *)SDL_malloc(titlelen);
|
||||
|
||||
retval = SDL_FALSE;
|
||||
done = SDL_FALSE;
|
||||
|
||||
if (title) {
|
||||
SDL_snprintf(title, titlelen, "%s%s", basetitle, name);
|
||||
if (serial) {
|
||||
SDL_strlcat(title, " (", titlelen);
|
||||
SDL_strlcat(title, serial, titlelen);
|
||||
SDL_strlcat(title, ")", titlelen);
|
||||
}
|
||||
SDL_SetWindowTitle(window, title);
|
||||
SDL_free(title);
|
||||
}
|
||||
} else {
|
||||
SDL_SetWindowTitle(window, "Waiting for controller...");
|
||||
}
|
||||
}
|
||||
|
||||
static int FindController(SDL_JoystickID controller_id)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < num_controllers; ++i) {
|
||||
if (controller_id == SDL_JoystickInstanceID(SDL_GameControllerGetJoystick(gamecontrollers[i]))) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
static void AddController(int device_index, SDL_bool verbose)
|
||||
{
|
||||
SDL_JoystickID controller_id = SDL_JoystickGetDeviceInstanceID(device_index);
|
||||
SDL_GameController *controller;
|
||||
SDL_GameController **controllers;
|
||||
|
||||
controller_id = SDL_JoystickGetDeviceInstanceID(device_index);
|
||||
if (controller_id < 0) {
|
||||
SDL_Log("Couldn't get controller ID: %s\n", SDL_GetError());
|
||||
return;
|
||||
}
|
||||
|
||||
if (FindController(controller_id) >= 0) {
|
||||
/* We already have this controller */
|
||||
return;
|
||||
}
|
||||
|
||||
controller = SDL_GameControllerOpen(device_index);
|
||||
if (!controller) {
|
||||
SDL_Log("Couldn't open controller: %s\n", SDL_GetError());
|
||||
return;
|
||||
}
|
||||
|
||||
controllers = (SDL_GameController **)SDL_realloc(gamecontrollers, (num_controllers + 1) * sizeof(*controllers));
|
||||
if (!controllers) {
|
||||
SDL_GameControllerClose(controller);
|
||||
return;
|
||||
}
|
||||
|
||||
controllers[num_controllers++] = controller;
|
||||
gamecontrollers = controllers;
|
||||
gamecontroller = controller;
|
||||
|
||||
if (verbose) {
|
||||
const char *name = SDL_GameControllerName(gamecontroller);
|
||||
SDL_Log("Opened game controller %s\n", name);
|
||||
}
|
||||
|
||||
if (SDL_GameControllerHasSensor(gamecontroller, SDL_SENSOR_ACCEL)) {
|
||||
if (verbose) {
|
||||
SDL_Log("Enabling accelerometer\n");
|
||||
}
|
||||
SDL_GameControllerSetSensorEnabled(gamecontroller, SDL_SENSOR_ACCEL, SDL_TRUE);
|
||||
}
|
||||
|
||||
if (SDL_GameControllerHasSensor(gamecontroller, SDL_SENSOR_GYRO)) {
|
||||
if (verbose) {
|
||||
SDL_Log("Enabling gyro\n");
|
||||
}
|
||||
SDL_GameControllerSetSensorEnabled(gamecontroller, SDL_SENSOR_GYRO, SDL_TRUE);
|
||||
}
|
||||
|
||||
UpdateWindowTitle();
|
||||
}
|
||||
|
||||
static void SetController(SDL_JoystickID controller)
|
||||
{
|
||||
int i = FindController(controller);
|
||||
|
||||
if (i < 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (gamecontroller != gamecontrollers[i]) {
|
||||
gamecontroller = gamecontrollers[i];
|
||||
UpdateWindowTitle();
|
||||
}
|
||||
}
|
||||
|
||||
static void DelController(SDL_JoystickID controller)
|
||||
{
|
||||
int i = FindController(controller);
|
||||
|
||||
if (i < 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
--num_controllers;
|
||||
if (i < num_controllers) {
|
||||
SDL_memcpy(&gamecontrollers[i], &gamecontrollers[i+1], (num_controllers - i) * sizeof(*gamecontrollers));
|
||||
}
|
||||
|
||||
if (num_controllers > 0) {
|
||||
gamecontroller = gamecontrollers[0];
|
||||
} else {
|
||||
gamecontroller = NULL;
|
||||
}
|
||||
UpdateWindowTitle();
|
||||
}
|
||||
|
||||
static SDL_Texture *
|
||||
LoadTexture(SDL_Renderer *renderer, const char *file, SDL_bool transparent)
|
||||
|
|
@ -97,52 +232,6 @@ LoadTexture(SDL_Renderer *renderer, const char *file, SDL_bool transparent)
|
|||
return texture;
|
||||
}
|
||||
|
||||
static void
|
||||
InitGameController()
|
||||
{
|
||||
const char *name = SDL_GameControllerName(gamecontroller);
|
||||
|
||||
SDL_Log("Opened game controller %s\n", name);
|
||||
|
||||
if (SDL_GameControllerHasSensor(gamecontroller, SDL_SENSOR_ACCEL)) {
|
||||
SDL_Log("Enabling accelerometer\n");
|
||||
SDL_GameControllerSetSensorEnabled(gamecontroller, SDL_SENSOR_ACCEL, SDL_TRUE);
|
||||
}
|
||||
|
||||
if (SDL_GameControllerHasSensor(gamecontroller, SDL_SENSOR_GYRO)) {
|
||||
SDL_Log("Enabling gyro\n");
|
||||
SDL_GameControllerSetSensorEnabled(gamecontroller, SDL_SENSOR_GYRO, SDL_TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
UpdateWindowTitle()
|
||||
{
|
||||
if (gamecontroller) {
|
||||
const char *name = SDL_GameControllerName(gamecontroller);
|
||||
const char *serial = SDL_GameControllerGetSerial(gamecontroller);
|
||||
const char *basetitle = "Game Controller Test: ";
|
||||
const size_t titlelen = SDL_strlen(basetitle) + SDL_strlen(name) + (serial ? 3 + SDL_strlen(serial) : 0) + 1;
|
||||
char *title = (char *)SDL_malloc(titlelen);
|
||||
|
||||
retval = SDL_FALSE;
|
||||
done = SDL_FALSE;
|
||||
|
||||
if (title) {
|
||||
SDL_snprintf(title, titlelen, "%s%s", basetitle, name);
|
||||
if (serial) {
|
||||
SDL_strlcat(title, " (", titlelen);
|
||||
SDL_strlcat(title, serial, titlelen);
|
||||
SDL_strlcat(title, ")", titlelen);
|
||||
}
|
||||
SDL_SetWindowTitle(window, title);
|
||||
SDL_free(title);
|
||||
}
|
||||
} else {
|
||||
SDL_SetWindowTitle(window, "Waiting for controller...");
|
||||
}
|
||||
}
|
||||
|
||||
static Uint16 ConvertAxisToRumble(Sint16 axis)
|
||||
{
|
||||
/* Only start rumbling if the axis is past the halfway point */
|
||||
|
|
@ -164,30 +253,13 @@ loop(void *arg)
|
|||
while (SDL_PollEvent(&event)) {
|
||||
switch (event.type) {
|
||||
case SDL_CONTROLLERDEVICEADDED:
|
||||
SDL_Log("Game controller device %d added.\n", (int) event.cdevice.which);
|
||||
if (gamecontroller) {
|
||||
SDL_GameControllerClose(gamecontroller);
|
||||
}
|
||||
|
||||
gamecontroller = SDL_GameControllerOpen(event.cdevice.which);
|
||||
if (gamecontroller) {
|
||||
InitGameController();
|
||||
} else {
|
||||
SDL_Log("Couldn't open controller: %s\n", SDL_GetError());
|
||||
}
|
||||
UpdateWindowTitle();
|
||||
SDL_Log("Game controller device %d added.\n", (int) SDL_JoystickGetDeviceInstanceID(event.cdevice.which));
|
||||
AddController(event.cdevice.which, SDL_TRUE);
|
||||
break;
|
||||
|
||||
case SDL_CONTROLLERDEVICEREMOVED:
|
||||
SDL_Log("Game controller device %d removed.\n", (int) event.cdevice.which);
|
||||
if (gamecontroller && event.cdevice.which == SDL_JoystickInstanceID(SDL_GameControllerGetJoystick(gamecontroller))) {
|
||||
SDL_GameControllerClose(gamecontroller);
|
||||
gamecontroller = SDL_GameControllerOpen(0);
|
||||
if (gamecontroller) {
|
||||
InitGameController();
|
||||
}
|
||||
UpdateWindowTitle();
|
||||
}
|
||||
DelController(event.cdevice.which);
|
||||
break;
|
||||
|
||||
case SDL_CONTROLLERTOUCHPADDOWN:
|
||||
|
|
@ -214,11 +286,17 @@ loop(void *arg)
|
|||
break;
|
||||
|
||||
case SDL_CONTROLLERAXISMOTION:
|
||||
if (event.caxis.value <= (-SDL_JOYSTICK_AXIS_MAX / 2) || event.caxis.value >= (SDL_JOYSTICK_AXIS_MAX / 2)) {
|
||||
SetController(event.caxis.which);
|
||||
}
|
||||
SDL_Log("Controller axis %s changed to %d\n", SDL_GameControllerGetStringForAxis((SDL_GameControllerAxis)event.caxis.axis), event.caxis.value);
|
||||
break;
|
||||
|
||||
case SDL_CONTROLLERBUTTONDOWN:
|
||||
case SDL_CONTROLLERBUTTONUP:
|
||||
if (event.type == SDL_CONTROLLERBUTTONDOWN) {
|
||||
SetController(event.cbutton.which);
|
||||
}
|
||||
SDL_Log("Controller button %s %s\n", SDL_GameControllerGetStringForButton((SDL_GameControllerButton)event.cbutton.button), event.cbutton.state ? "pressed" : "released");
|
||||
break;
|
||||
|
||||
|
|
@ -339,7 +417,8 @@ int
|
|||
main(int argc, char *argv[])
|
||||
{
|
||||
int i;
|
||||
int nController = 0;
|
||||
int controller_count = 0;
|
||||
int controller_index = 0;
|
||||
char guid[64];
|
||||
|
||||
SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0");
|
||||
|
|
@ -378,7 +457,7 @@ main(int argc, char *argv[])
|
|||
guid, sizeof (guid));
|
||||
|
||||
if (SDL_IsGameController(i)) {
|
||||
nController++;
|
||||
controller_count++;
|
||||
name = SDL_GameControllerNameForIndex(i);
|
||||
switch (SDL_GameControllerTypeForIndex(i)) {
|
||||
case SDL_CONTROLLER_TYPE_XBOX360:
|
||||
|
|
@ -403,6 +482,7 @@ main(int argc, char *argv[])
|
|||
description = "Game Controller";
|
||||
break;
|
||||
}
|
||||
AddController(i, SDL_FALSE);
|
||||
} else {
|
||||
name = SDL_JoystickNameForIndex(i);
|
||||
description = "Joystick";
|
||||
|
|
@ -411,7 +491,7 @@ main(int argc, char *argv[])
|
|||
description, i, name ? name : "Unknown", guid,
|
||||
SDL_JoystickGetDeviceVendor(i), SDL_JoystickGetDeviceProduct(i), SDL_JoystickGetDevicePlayerIndex(i));
|
||||
}
|
||||
SDL_Log("There are %d game controller(s) attached (%d joystick(s))\n", nController, SDL_NumJoysticks());
|
||||
SDL_Log("There are %d game controller(s) attached (%d joystick(s))\n", controller_count, SDL_NumJoysticks());
|
||||
|
||||
/* Create a window to display controller state */
|
||||
window = SDL_CreateWindow("Game Controller Test", SDL_WINDOWPOS_CENTERED,
|
||||
|
|
@ -453,9 +533,13 @@ main(int argc, char *argv[])
|
|||
/*SDL_RenderSetLogicalSize(screen, background->w, background->h);*/
|
||||
|
||||
if (argv[1] && *argv[1] != '-') {
|
||||
gamecontroller = SDL_GameControllerOpen(SDL_atoi(argv[1]));
|
||||
controller_index = SDL_atoi(argv[1]);
|
||||
}
|
||||
if (controller_index < num_controllers) {
|
||||
gamecontroller = gamecontrollers[controller_index];
|
||||
} else {
|
||||
gamecontroller = NULL;
|
||||
}
|
||||
|
||||
UpdateWindowTitle();
|
||||
|
||||
/* Loop, getting controller events! */
|
||||
|
|
|
|||
Loading…
Reference in New Issue