- Added patch from icculus CVS for SDL joystick support

(patchsets 60, 61)

src/rw_sdl.c

@@ -37,6 +37,13 @@
 
 /*****************************************************************************/
 
+#define JOY_AXIS_X			0
+#define JOY_AXIS_Y			1
+#define JOY_AXIS_Z			2
+#define JOY_AXIS_R			3
+#define JOY_AXIS_U			4
+#define JOY_AXIS_V			5
+
 static qboolean                 X11_active = false;
 
 static SDL_Surface *surface;
@@ -96,6 +103,17 @@ static cvar_t *m_pitch;
 static cvar_t *m_forward;
 static cvar_t *my_freelook;
 
+/************************
+ * Joystick
+ ************************/
+static cvar_t   *in_joystick;
+static cvar_t   *j_invert_y;
+static qboolean joystick_avail;
+static SDL_Joystick *joy;
+static int joy_oldbuttonstate;
+static int joy_numbuttons;
+static int jx, jy, jt;
+
 static void Force_CenterView_f (void)
 {
 	in_state->viewangles[PITCH] = 0;
@@ -120,6 +138,7 @@ void RW_IN_Init(in_state_t *in_state_p)
 	_windowed_mouse = ri.Cvar_Get ("_windowed_mouse", "0", CVAR_ARCHIVE);
 	m_filter = ri.Cvar_Get ("m_filter", "0", 0);
 	in_mouse = ri.Cvar_Get ("in_mouse", "1", CVAR_ARCHIVE);
+	in_joystick = ri.Cvar_Get("in_joystick", "0", CVAR_ARCHIVE);
 	my_freelook = ri.Cvar_Get( "freelook", "0", 0);
 	my_lookstrafe = ri.Cvar_Get ("lookstrafe", "0", 0);
 	
@@ -129,6 +148,8 @@ void RW_IN_Init(in_state_t *in_state_p)
 	m_forward = ri.Cvar_Get ("m_forward", "1", 0);
 	m_side = ri.Cvar_Get ("m_side", "0.8", 0);
 
+	j_invert_y = ri.Cvar_Get("j_invert_y", "1", 0);
+
 	ri.Cmd_AddCommand ("+mlook", RW_IN_MLookDown);
 	ri.Cmd_AddCommand ("-mlook", RW_IN_MLookUp);
 
@@ -157,30 +178,43 @@ IN_Commands
 */
 void RW_IN_Commands (void)
 {
-	int i;
+    int i, key_index;
    
-	if (!mouse_avail) 
+    if (mouse_avail) {
-		return;
+	for (i = 0; i < 3; i++) {
-   
+	    if ( (mouse_buttonstate & (1<<i)) && !(mouse_oldbuttonstate & (1<<i)) )
-	for (i=0 ; i<3 ; i++) {
+		in_state->Key_Event_fp (K_MOUSE1 + i, true);
-		if ( (mouse_buttonstate & (1<<i)) && !(mouse_oldbuttonstate & (1<<i)) )
+	    
-			in_state->Key_Event_fp (K_MOUSE1 + i, true);
+	    if ( !(mouse_buttonstate & (1<<i)) && (mouse_oldbuttonstate & (1<<i)) )
-
+		in_state->Key_Event_fp (K_MOUSE1 + i, false);
-		if ( !(mouse_buttonstate & (1<<i)) && (mouse_oldbuttonstate & (1<<i)) )
-			in_state->Key_Event_fp (K_MOUSE1 + i, false);
 	}
 	/* can't put in loop because K_MOUSE4 doesn't come after K_MOUSE3 */
 	if ((mouse_buttonstate & (1<<3)) && !(mouse_oldbuttonstate & (1<<3)))
-		in_state->Key_Event_fp(K_MOUSE4, true);
+	    in_state->Key_Event_fp(K_MOUSE4, true);
 	if (!(mouse_buttonstate * (1<<3)) && (mouse_oldbuttonstate & (1<<3)))
-		in_state->Key_Event_fp(K_MOUSE4, false);
+	    in_state->Key_Event_fp(K_MOUSE4, false);
-
+	
 	if ((mouse_buttonstate & (1<<4)) && !(mouse_oldbuttonstate & (1<<4)))
-		in_state->Key_Event_fp(K_MOUSE5, true);
+	    in_state->Key_Event_fp(K_MOUSE5, true);
 	if (!(mouse_buttonstate * (1<<4)) && (mouse_oldbuttonstate & (1<<4)))
-		in_state->Key_Event_fp(K_MOUSE5, false);
+	    in_state->Key_Event_fp(K_MOUSE5, false);
 	
 	mouse_oldbuttonstate = mouse_buttonstate;
+    }
+    if (joystick_avail && joy) {
+	for (i = 0; i < joy_numbuttons; i++) {
+	    if (SDL_JoystickGetButton(joy, i) && joy_oldbuttonstate != i) {
+		key_index = (i < 4) ? K_JOY1 : K_AUX1;
+		in_state->Key_Event_fp(key_index + i, true);
+		joy_oldbuttonstate = i;
+	    }
+	    if (!SDL_JoystickGetButton(joy, i) && joy_oldbuttonstate != i) {
+		key_index = (i < 4) ? K_JOY1 : K_AUX1;
+		in_state->Key_Event_fp(key_index + i, false);
+		joy_oldbuttonstate = i;
+	    }
+	}
+    }
 }
 
 /*
@@ -190,50 +224,73 @@ IN_Move
 */
 void RW_IN_Move (usercmd_t *cmd)
 {
-	if (!mouse_avail)
+  /*** FIXME 
-		return;
+   *   You can accelerate while in the air, this doesn't
-   
+   *   make physical sense.  Try falling off something and then moving
-	if (m_filter->value)
+   *   forward.
+   ***/
+  
+  if (mouse_avail) {
+    if (m_filter->value)
+      {
+	mouse_x = (mx + old_mouse_x) * 0.5;
+	mouse_y = (my + old_mouse_y) * 0.5;
+      } else {
+	mouse_x = mx;
+	mouse_y = my;
+      }
+    
+    old_mouse_x = mx;
+    old_mouse_y = my;
+    
+    if (mouse_x || mouse_y) {    
+      mouse_x *= sensitivity->value;
+      mouse_y *= sensitivity->value;
+      
+      // add mouse X/Y movement to cmd
+      if ( (*in_state->in_strafe_state & 1) || 
+	   (my_lookstrafe->value && mlooking ))
+	cmd->sidemove += m_side->value * mouse_x;
+      else
+	in_state->viewangles[YAW] -= m_yaw->value * mouse_x;
+      
+      
+      if ( (mlooking || my_freelook->value) && 
+	   !(*in_state->in_strafe_state & 1))
 	{
-		mouse_x = (mx + old_mouse_x) * 0.5;
+	  in_state->viewangles[PITCH] += m_pitch->value * mouse_y;
-		mouse_y = (my + old_mouse_y) * 0.5;
-	} else {
-		mouse_x = mx;
-		mouse_y = my;
 	}
+      else
+	{
+	  cmd->forwardmove -= m_forward->value * mouse_y;
+	}
+      mx = my = 0;
+    }
+  }
+  if (joystick_avail && joy) {
+    // add joy X/Y movement to cmd
+    if ( (*in_state->in_strafe_state & 1) || 
+	 (my_lookstrafe->value && mlooking ))
+      cmd->sidemove += m_side->value * (jx/100);
+    else
+      in_state->viewangles[YAW] -= m_yaw->value * (jx/100);
 
-	old_mouse_x = mx;
+    if ((mlooking || my_freelook->value) && !(*in_state->in_strafe_state & 1)) {
-	old_mouse_y = my;
+	if (j_invert_y)
-
+	    in_state->viewangles[PITCH] -= m_pitch->value * (jy/100);
-	if (!mouse_x && !mouse_y)
-		return;
-
-	mouse_x *= sensitivity->value;
-	mouse_y *= sensitivity->value;
-
-// add mouse X/Y movement to cmd
-	if ( (*in_state->in_strafe_state & 1) || 
-		(my_lookstrafe->value && mlooking ))
-		cmd->sidemove += m_side->value * mouse_x;
 	else
-		in_state->viewangles[YAW] -= m_yaw->value * mouse_x;
+	    in_state->viewangles[PITCH] += m_pitch->value * (jy/100);
-
+	cmd->forwardmove -= m_forward->value * (jt/100);
-
+    } else {
-	if ( (mlooking || my_freelook->value) && 
+	cmd_forwardmove -= m_forward->value * (jy/100);
-		!(*in_state->in_strafe_state & 1))
+    }
-	{
+    jt = jx = jy = 0;
-		in_state->viewangles[PITCH] += m_pitch->value * mouse_y;
+  }
-	}
-	else
-	{
-		cmd->forwardmove -= m_forward->value * mouse_y;
-	}
-	mx = my = 0;
 }
 
 #if 0
 static void IN_DeactivateMouse( void ) 
-{
+{ 
 	if (!mouse_avail)
 		return;
 
@@ -400,6 +457,20 @@ void GetEvent(SDL_Event *event)
 		break;
 	case SDL_MOUSEBUTTONUP:
 		break;
+	case SDL_JOYBUTTONDOWN:
+	  keyq[keyq_head].key = 
+	    ((((SDL_JoyButtonEvent*)event)->button < 4)?K_JOY1:K_AUX1)+
+	    ((SDL_JoyButtonEvent*)event)->button;
+	  keyq[keyq_head].down = true;
+	  keyq_head = (keyq_head+1)&63;
+	  break;
+	case SDL_JOYBUTTONUP:
+	  keyq[keyq_head].key = 
+	    ((((SDL_JoyButtonEvent*)event)->button < 4)?K_JOY1:K_AUX1)+
+	    ((SDL_JoyButtonEvent*)event)->button;
+	  keyq[keyq_head].down = false;
+	  keyq_head = (keyq_head+1)&63;
+	  break;
 	case SDL_KEYDOWN:
 		if ( (KeyStates[SDLK_LALT] || KeyStates[SDLK_RALT]) &&
 			(event->key.keysym.sym == SDLK_RETURN) ) {
@@ -459,6 +530,45 @@ void GetEvent(SDL_Event *event)
 
 }
 
+void InitJoystick() {
+  int num_joysticks, i;
+
+  if (!(SDL_INIT_JOYSTICK&SDL_WasInit(SDL_INIT_JOYSTICK))) {
+    ri.Con_Printf(PRINT_ALL, "SDL Joystick not initialized, trying to init...\n");
+    SDL_Init(SDL_INIT_JOYSTICK);
+  }
+  if (in_joystick) {
+    ri.Con_Printf(PRINT_ALL, "Trying to start-up joystick...\n");
+    if ((num_joysticks=SDL_NumJoysticks())) {
+      for(i=0;i<num_joysticks;i++) {
+	ri.Con_Printf(PRINT_ALL, "Trying joystick [%s]\n", 
+		      SDL_JoystickName(i));
+	if (!SDL_JoystickOpened(i)) {
+	  joy = SDL_JoystickOpen(0);
+	  if (joy) {
+	    ri.Con_Printf(PRINT_ALL, "Joytick activated.\n");
+	    joystick_avail = true;
+	    joy_numbuttons = SDL_JoystickNumButtons(joy);
+	    break;
+	  }
+	}
+      }
+      if (!joy) {
+	ri.Con_Printf(PRINT_ALL, "Failed to open any joysticks\n");
+	joystick_avail = false;
+      }
+    }
+    else {
+      ri.Con_Printf(PRINT_ALL, "No joysticks available\n");
+      joystick_avail = false;
+    }
+  }
+  else {
+    ri.Con_Printf(PRINT_ALL, "Joystick Inactive\n");
+    joystick_avail = false;
+  }
+}
+
 /*****************************************************************************/
 
 /*
@@ -494,9 +604,13 @@ int SWimp_Init( void *hInstance, void *wndProc )
 	}
 #endif
 
+	InitJoystick();
+
 	return true;
 }
 
+
+
 #ifdef OPENGL
 void *GLimp_GetProcAddress(const char *func)
 {
@@ -609,6 +723,8 @@ static qboolean SWimp_InitGraphics( qboolean fullscreen )
 
 	X11_active = true;
 
+	
+
 	return true;
 }
 #else
@@ -867,7 +983,13 @@ void KBD_Update(void)
 
 	if (!mx && !my)
 		SDL_GetRelativeMouseState(&mx, &my);
-		
+	
+	if (joystick_avail && joy) {
+	  jx = SDL_JoystickGetAxis(joy, 0);
+	  jy = SDL_JoystickGetAxis(joy, 1);
+	  jt = SDL_JoystickGetAxis(joy, 3);
+	}
+	
 	mouse_buttonstate = 0;
 	bstate = SDL_GetMouseState(NULL, NULL);
 	if (SDL_BUTTON(1) & bstate)