Enabling support for joypads:

- Only <=6 buttons are supported
- Only the first jopad is used (if you have more than one)
- Axes need to be tuned
- You can only move and attack with joypad
Small fix in the updating system

1 files changed, 143 insertions, 51 deletions

diff --git a/src/game.cpp b/src/game.cpp
index 178bfb87..3fa3977f 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -71,6 +71,7 @@ int startX = 0, startY = 0;
 int gameTime = 0;
 Being *autoTarget = NULL;
 Engine *engine = NULL;
+SDL_Joystick *joypad;       /**< Joypad object */
 
 OkDialog *deathNotice = NULL;
 ConfirmDialog *exitConfirm = NULL;
@@ -137,48 +138,6 @@ int get_elapsed_time(int start_time)
     }
 }
 
-void do_init();
-
-void game()
-{
-    engine = new Engine();
-    do_init();
-
-    gameTime = tick_time;
-
-    while (state != EXIT)
-    {
-        // Handle all necessary game logic
-        while (get_elapsed_time(gameTime) > 0)
-        {
-            do_input();
-            engine->logic();
-            gui->logic();
-            gameTime++;
-        }
-
-        gameTime = tick_time;
-
-        // Update the screen when application is active, delay otherwise
-        if (SDL_GetAppState() & SDL_APPACTIVE)
-        {
-            engine->draw();
-            graphics->updateScreen();
-        }
-        else
-        {
-            SDL_Delay(10);
-        }
-
-        // Handle network stuff and flush it
-        do_parse();
-        flush();
-    }
-
-    delete engine;
-    close_session();
-}
-
 void do_init()
 {
     std::string path(map_path);
@@ -187,7 +146,7 @@ void do_init()
     // Try .tmx.gz map file
     pathDir.insert(pathDir.size(), ".tmx.gz");
     Map *tiledMap = MapReader::readMap(pathDir);
-    
+
     if (!tiledMap)
     {
         logger->error("Could not find map file!");
@@ -220,10 +179,78 @@ void do_init()
     add_node(player_node);
 
     remove("packet.list");
+
+    // Initialize joypad
+    SDL_InitSubSystem(SDL_INIT_JOYSTICK);
+    //SDL_JoystickEventState(SDL_ENABLE);
+    int num_joy = SDL_NumJoysticks();
+    logger->log("%i joysticks/gamepads found", num_joy);
+    for (int i = 0; i < num_joy; i++)
+        logger->log("- %s", SDL_JoystickName(i));
+    // TODO: The user should be able to choose which one to use
+    // Open the first device
+    if (num_joy > 0)
+    {
+        joypad = SDL_JoystickOpen(0);
+        if (joypad == NULL)
+        {
+            logger->log("Couldn't open joystick: %s", SDL_GetError());
+        }
+        else {
+            logger->log("Axes: %i ", SDL_JoystickNumAxes(joypad));
+            logger->log("Balls: %i", SDL_JoystickNumBalls(joypad));
+            logger->log("Hats: %i", SDL_JoystickNumHats(joypad));
+            logger->log("Buttons: %i", SDL_JoystickNumButtons(joypad));
+        }
+    }
+}
+
+void game()
+{
+    engine = new Engine();
+    do_init();
+
+    gameTime = tick_time;
+
+    while (state != EXIT)
+    {
+        // Handle all necessary game logic
+        while (get_elapsed_time(gameTime) > 0)
+        {
+            do_input();
+            engine->logic();
+            gui->logic();
+            gameTime++;
+        }
+
+        gameTime = tick_time;
+
+        // Update the screen when application is active, delay otherwise
+        if (SDL_GetAppState() & SDL_APPACTIVE)
+        {
+            engine->draw();
+            graphics->updateScreen();
+        }
+        else
+        {
+            SDL_Delay(10);
+        }
+
+        // Handle network stuff and flush it
+        do_parse();
+        flush();
+    }
+
+    delete engine;
+    close_session();
 }
 
 void do_exit()
 {
+    if (joypad != NULL)
+    {
+        SDL_JoystickClose(joypad);
+    }
 }
 
 void do_input()
@@ -231,6 +258,40 @@ void do_input()
     // Get the state of the keyboard keys
     Uint8* keys;
     keys = SDL_GetKeyState(NULL);
+    
+    // Get the state of the joypad buttons
+    // TODO: Only 6- buttons joypads are allowed
+    bool joy[10];
+    for (int i=0; i<10; i++)
+    {
+        joy[i] = false;
+    }
+    if (joypad != NULL)
+    {
+        if (SDL_JoystickGetAxis(joypad, 0) > 100)
+        {
+            joy[JOY_RIGHT] = true;
+        }
+        if (SDL_JoystickGetAxis(joypad, 0) < -100)
+        {
+            joy[JOY_LEFT] = true;
+        }
+        if (SDL_JoystickGetAxis(joypad, 1) < -100)
+        {
+            joy[JOY_UP] = true;
+        }
+        if (SDL_JoystickGetAxis(joypad, 1) > 100)
+        {
+            joy[JOY_DOWN] = true;
+        }
+        for (int i=0; i<6; i++)
+        {
+            if (SDL_JoystickGetButton(joypad, i) == 1)
+            {
+                joy[JOY_BTN0 + i] = true;
+            }
+        }
+    }
 
     // Events
     SDL_Event event;
@@ -371,7 +432,7 @@ void do_input()
 
             // Picking up items on the floor
             else if ((keysym.sym == SDLK_g || keysym.sym == SDLK_z) &&
-                    !chatWindow->isFocused())
+                        !chatWindow->isFocused())
             {
                 unsigned short x = player_node->x;
                 unsigned short y = player_node->y;
@@ -527,7 +588,38 @@ void do_input()
                 popupMenu->showPopup(mx, my);
             }
         }
-
+        /*
+        // Joystick events
+        else if (event.type == SDL_JOYBUTTONDOWN)
+        {
+            // Attacking monsters
+            if (player_node->action == STAND)
+            {
+                if (event.jbutton.which == 0 && event.jbutton.button == 1)
+                {
+                    Being *monster = attack(player_node->x,
+                                            player_node->y,
+                                            player_node->direction);
+                }
+            }
+            logger->log("Joystick button %d", event.jbutton.which);
+        }
+		else if (event.type == SDL_JOYAXISMOTION)
+		{
+            if (event.jaxis.axis == 0) {
+                if (event.jaxis.value > 100)
+                {
+                    walk(player_node->x + 1, 0, EAST);
+                    player_node->setDestination(player_node->x + 1, player_node->y);
+                }
+                else if (event.jaxis.value < -100){
+                    walk(player_node->x - 1, 0, WEST);
+                    player_node->setDestination(player_node->x - 1, player_node->y);
+                }
+            }
+            logger->log("Axis %d moved of %d", event.jaxis.axis, event.jaxis.value);
+        }*/
+        
         // Quit event
         else if (event.type == SDL_QUIT)
         {
@@ -540,7 +632,7 @@ void do_input()
         }
 
     } // End while
-
+    
     // Moving player around
     if ((player_node->action != DEAD) && (current_npc == 0) &&
             !chatWindow->isFocused())
@@ -552,25 +644,25 @@ void do_input()
         int Direction = DIR_NONE;
 
         // Translate pressed keys to movement and direction
-        if (keys[SDLK_UP] || keys[SDLK_KP8])
+        if (keys[SDLK_UP] || keys[SDLK_KP8] || joy[JOY_UP])
         {
             yDirection = -1;
             if (player_node->action != WALK)
                 Direction = NORTH;
         }
-        if (keys[SDLK_DOWN] || keys[SDLK_KP2])
+        if (keys[SDLK_DOWN] || keys[SDLK_KP2] || joy[JOY_DOWN])
         {
             yDirection = 1;
             if (player_node->action != WALK)
                 Direction = SOUTH;
         }
-        if (keys[SDLK_LEFT] || keys[SDLK_KP4])
+        if (keys[SDLK_LEFT] || keys[SDLK_KP4] || joy[JOY_LEFT])
         {
             xDirection = -1;
             if (player_node->action != WALK)
                 Direction = WEST;
         }
-        if (keys[SDLK_RIGHT] || keys[SDLK_KP6])
+        if (keys[SDLK_RIGHT] || keys[SDLK_KP6] || joy[JOY_RIGHT])
         {
             xDirection = 1;
             if (player_node->action != WALK)
@@ -642,7 +734,7 @@ void do_input()
         // Attacking monsters
         if (player_node->action == STAND)
         {
-            if (keys[SDLK_LCTRL])
+            if (keys[SDLK_LCTRL] || joy[JOY_BTN0])
             {
                 Being *monster = attack(x, y, player_node->direction);
                 if (monster == NULL && autoTarget != NULL)