diff src/joystick/dc/SDL_sysjoystick.c @ 1895:c121d94672cb

SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 92947e3a18db
children 99210400e8b9
line wrap: on
line diff
--- a/src/joystick/dc/SDL_sysjoystick.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/joystick/dc/SDL_sysjoystick.c	Mon Jul 10 21:04:37 2006 +0000
@@ -31,21 +31,21 @@
 #include <dc/maple.h>
 #include <dc/maple/controller.h>
 
-#define MAX_JOYSTICKS	8	/* only 2 are supported in the multimedia API */
-#define MAX_AXES	6	/* each joystick can have up to 6 axes */
-#define MAX_BUTTONS	8	/* and 8 buttons                      */
+#define MAX_JOYSTICKS	8       /* only 2 are supported in the multimedia API */
+#define MAX_AXES	6       /* each joystick can have up to 6 axes */
+#define MAX_BUTTONS	8       /* and 8 buttons                      */
 #define	MAX_HATS	2
 
 #define	JOYNAMELEN	8
 
 /* array to hold joystick ID values */
-static uint8	SYS_Joystick_addr[MAX_JOYSTICKS];
+static uint8 SYS_Joystick_addr[MAX_JOYSTICKS];
 
 /* The private structure used to keep track of a joystick */
 struct joystick_hwdata
 {
-	cont_cond_t prev_cond;
-	int prev_buttons;
+    cont_cond_t prev_cond;
+    int prev_buttons;
 };
 
 /* Function to scan the system for joysticks.
@@ -53,31 +53,35 @@
  * joysticks.  Joystick 0 should be the system default joystick.
  * It should return 0, or -1 on an unrecoverable fatal error.
  */
-int SDL_SYS_JoystickInit(void)
+int
+SDL_SYS_JoystickInit(void)
 {
-	int numdevs;
+    int numdevs;
 
-	int p,u;
+    int p, u;
 
-	numdevs = 0;
-	for(p=0;p<MAPLE_PORT_COUNT;p++) {
-		for(u=0;u<MAPLE_UNIT_COUNT;u++) {
-			if (maple_device_func(p,u)&MAPLE_FUNC_CONTROLLER) {
-				SYS_Joystick_addr[numdevs] = maple_addr(p,u);
-				numdevs++;
-			}
-		}
-	}
+    numdevs = 0;
+    for (p = 0; p < MAPLE_PORT_COUNT; p++) {
+        for (u = 0; u < MAPLE_UNIT_COUNT; u++) {
+            if (maple_device_func(p, u) & MAPLE_FUNC_CONTROLLER) {
+                SYS_Joystick_addr[numdevs] = maple_addr(p, u);
+                numdevs++;
+            }
+        }
+    }
 
-	return(numdevs);
+    return (numdevs);
 }
 
 /* Function to get the device-dependent name of a joystick */
-const char *SDL_SYS_JoystickName(int index)
+const char *
+SDL_SYS_JoystickName(int index)
 {
-	maple_device_t *dev;
-	if (maple_compat_resolve(SYS_Joystick_addr[index],&dev,MAPLE_FUNC_CONTROLLER)!=0) return NULL;
-	return dev->info.product_name;
+    maple_device_t *dev;
+    if (maple_compat_resolve
+        (SYS_Joystick_addr[index], &dev, MAPLE_FUNC_CONTROLLER) != 0)
+        return NULL;
+    return dev->info.product_name;
 }
 
 /* Function to open a joystick for use.
@@ -85,22 +89,23 @@
    This should fill the nbuttons and naxes fields of the joystick structure.
    It returns 0, or -1 if there is an error.
  */
-int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
+int
+SDL_SYS_JoystickOpen(SDL_Joystick * joystick)
 {
-	/* allocate memory for system specific hardware data */
-	joystick->hwdata = (struct joystick_hwdata *) SDL_malloc(sizeof(*joystick->hwdata));
-	if (joystick->hwdata == NULL)
-	{
-		SDL_OutOfMemory();
-		return(-1);
-	}
-	SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
+    /* allocate memory for system specific hardware data */
+    joystick->hwdata =
+        (struct joystick_hwdata *) SDL_malloc(sizeof(*joystick->hwdata));
+    if (joystick->hwdata == NULL) {
+        SDL_OutOfMemory();
+        return (-1);
+    }
+    SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
 
-	/* fill nbuttons, naxes, and nhats fields */
-	joystick->nbuttons = MAX_BUTTONS;
-	joystick->naxes = MAX_AXES;
-	joystick->nhats = MAX_HATS;
-	return(0);
+    /* fill nbuttons, naxes, and nhats fields */
+    joystick->nbuttons = MAX_BUTTONS;
+    joystick->naxes = MAX_AXES;
+    joystick->nhats = MAX_HATS;
+    return (0);
 }
 
 
@@ -110,84 +115,102 @@
  * and update joystick device state.
  */
 
-void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
+void
+SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
 {
-const	int sdl_buttons[] = {
-	CONT_C,
-	CONT_B,
-	CONT_A,
-	CONT_START,
-	CONT_Z,
-	CONT_Y,
-	CONT_X,
-	CONT_D
-};
+    const int sdl_buttons[] = {
+        CONT_C,
+        CONT_B,
+        CONT_A,
+        CONT_START,
+        CONT_Z,
+        CONT_Y,
+        CONT_X,
+        CONT_D
+    };
 
-	uint8 addr;
-	cont_cond_t cond,*prev_cond;
-	int buttons,prev_buttons,i,changed;
+    uint8 addr;
+    cont_cond_t cond, *prev_cond;
+    int buttons, prev_buttons, i, changed;
 
-	addr = SYS_Joystick_addr[joystick->index];
-	if (cont_get_cond(addr,&cond)<0) return;
+    addr = SYS_Joystick_addr[joystick->index];
+    if (cont_get_cond(addr, &cond) < 0)
+        return;
 
-	buttons = cond.buttons;
-	prev_buttons = joystick->hwdata->prev_buttons;
-	changed = buttons^prev_buttons;
+    buttons = cond.buttons;
+    prev_buttons = joystick->hwdata->prev_buttons;
+    changed = buttons ^ prev_buttons;
 
-	if ((changed)&(CONT_DPAD_UP|CONT_DPAD_DOWN|CONT_DPAD_LEFT|CONT_DPAD_RIGHT)) {
-		int hat = SDL_HAT_CENTERED;
-		if (buttons&CONT_DPAD_UP) hat|=SDL_HAT_UP;
-		if (buttons&CONT_DPAD_DOWN) hat|=SDL_HAT_DOWN;
-		if (buttons&CONT_DPAD_LEFT) hat|=SDL_HAT_LEFT;
-		if (buttons&CONT_DPAD_RIGHT) hat|=SDL_HAT_RIGHT;
-		SDL_PrivateJoystickHat(joystick, 0, hat);
-	}
-	if ((changed)&(CONT_DPAD2_UP|CONT_DPAD2_DOWN|CONT_DPAD2_LEFT|CONT_DPAD2_RIGHT)) {
-		int hat = SDL_HAT_CENTERED;
-		if (buttons&CONT_DPAD2_UP) hat|=SDL_HAT_UP;
-		if (buttons&CONT_DPAD2_DOWN) hat|=SDL_HAT_DOWN;
-		if (buttons&CONT_DPAD2_LEFT) hat|=SDL_HAT_LEFT;
-		if (buttons&CONT_DPAD2_RIGHT) hat|=SDL_HAT_RIGHT;
-		SDL_PrivateJoystickHat(joystick, 1, hat);
-	}
+    if ((changed) &
+        (CONT_DPAD_UP | CONT_DPAD_DOWN | CONT_DPAD_LEFT | CONT_DPAD_RIGHT)) {
+        int hat = SDL_HAT_CENTERED;
+        if (buttons & CONT_DPAD_UP)
+            hat |= SDL_HAT_UP;
+        if (buttons & CONT_DPAD_DOWN)
+            hat |= SDL_HAT_DOWN;
+        if (buttons & CONT_DPAD_LEFT)
+            hat |= SDL_HAT_LEFT;
+        if (buttons & CONT_DPAD_RIGHT)
+            hat |= SDL_HAT_RIGHT;
+        SDL_PrivateJoystickHat(joystick, 0, hat);
+    }
+    if ((changed) &
+        (CONT_DPAD2_UP | CONT_DPAD2_DOWN | CONT_DPAD2_LEFT |
+         CONT_DPAD2_RIGHT)) {
+        int hat = SDL_HAT_CENTERED;
+        if (buttons & CONT_DPAD2_UP)
+            hat |= SDL_HAT_UP;
+        if (buttons & CONT_DPAD2_DOWN)
+            hat |= SDL_HAT_DOWN;
+        if (buttons & CONT_DPAD2_LEFT)
+            hat |= SDL_HAT_LEFT;
+        if (buttons & CONT_DPAD2_RIGHT)
+            hat |= SDL_HAT_RIGHT;
+        SDL_PrivateJoystickHat(joystick, 1, hat);
+    }
 
-	for(i=0;i<sizeof(sdl_buttons)/sizeof(sdl_buttons[0]);i++) {
-		if (changed & sdl_buttons[i]) {
-			SDL_PrivateJoystickButton(joystick, i, (buttons & sdl_buttons[i])?SDL_PRESSED:SDL_RELEASED);
-		}
-	}
+    for (i = 0; i < sizeof(sdl_buttons) / sizeof(sdl_buttons[0]); i++) {
+        if (changed & sdl_buttons[i]) {
+            SDL_PrivateJoystickButton(joystick, i,
+                                      (buttons & sdl_buttons[i]) ?
+                                      SDL_PRESSED : SDL_RELEASED);
+        }
+    }
 
-	prev_cond = &joystick->hwdata->prev_cond;
-	if (cond.joyx!=prev_cond->joyx)
-		SDL_PrivateJoystickAxis(joystick, 0, cond.joyx-128);
-	if (cond.joyy!=prev_cond->joyy)
-		SDL_PrivateJoystickAxis(joystick, 1, cond.joyy-128);
-	if (cond.rtrig!=prev_cond->rtrig)
-		SDL_PrivateJoystickAxis(joystick, 2, cond.rtrig);
-	if (cond.ltrig!=prev_cond->ltrig)
-		SDL_PrivateJoystickAxis(joystick, 3, cond.ltrig);
-	if (cond.joy2x!=prev_cond->joy2x)
-		SDL_PrivateJoystickAxis(joystick, 4, cond.joy2x-128);
-	if (cond.joy2y!=prev_cond->joy2y)
-		SDL_PrivateJoystickAxis(joystick, 5, cond.joy2y-128);
+    prev_cond = &joystick->hwdata->prev_cond;
+    if (cond.joyx != prev_cond->joyx)
+        SDL_PrivateJoystickAxis(joystick, 0, cond.joyx - 128);
+    if (cond.joyy != prev_cond->joyy)
+        SDL_PrivateJoystickAxis(joystick, 1, cond.joyy - 128);
+    if (cond.rtrig != prev_cond->rtrig)
+        SDL_PrivateJoystickAxis(joystick, 2, cond.rtrig);
+    if (cond.ltrig != prev_cond->ltrig)
+        SDL_PrivateJoystickAxis(joystick, 3, cond.ltrig);
+    if (cond.joy2x != prev_cond->joy2x)
+        SDL_PrivateJoystickAxis(joystick, 4, cond.joy2x - 128);
+    if (cond.joy2y != prev_cond->joy2y)
+        SDL_PrivateJoystickAxis(joystick, 5, cond.joy2y - 128);
 
-	joystick->hwdata->prev_buttons = buttons;
-	joystick->hwdata->prev_cond = cond;
+    joystick->hwdata->prev_buttons = buttons;
+    joystick->hwdata->prev_cond = cond;
 }
 
 /* Function to close a joystick after use */
-void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
+void
+SDL_SYS_JoystickClose(SDL_Joystick * joystick)
 {
-	if (joystick->hwdata != NULL) {
-		/* free system specific hardware data */
-		SDL_free(joystick->hwdata);
-	}
+    if (joystick->hwdata != NULL) {
+        /* free system specific hardware data */
+        SDL_free(joystick->hwdata);
+    }
 }
 
 /* Function to perform any system-specific joystick related cleanup */
-void SDL_SYS_JoystickQuit(void)
+void
+SDL_SYS_JoystickQuit(void)
 {
-	return;
+    return;
 }
 
 #endif /* SDL_JOYSTICK_DC */
+/* vi: set ts=4 sw=4 expandtab: */