Use touchscreen to rotate the view left/right

diff --git a/ball/st_play.c b/ball/st_play.c
index 6fe1a5d..59077bb 100644 (file)
--- a/ball/st_play.c
+++ b/ball/st_play.c
@@ -384,9 +384,63 @@ static void play_loop_timer(int id, float dt)
     }
 }
 
+#ifdef __MAEMO__
+#define TOUCH_SENSITIVITY       20
+static int button_pressed = 0;
+static int button_pressed_x = 0;
+static int button_pressed_y = 0;
+static int dragging = 0;
+
+static void maemo_play_loop_point(int id, int x, int y, int dx, int dy)
+{
+    if (!dragging && button_pressed)
+    {
+        /* check how much we've moved */
+        if (abs(x - button_pressed_x) > TOUCH_SENSITIVITY ||
+            abs(y - button_pressed_y) > TOUCH_SENSITIVITY)
+            dragging = 1;
+    }
+
+    if (dragging)
+    {
+        if (dx > 0)
+        {
+            view_rotate.d = DIR_R;
+            view_rotate.R = dx / 15.0;
+        }
+        else
+        {
+            view_rotate.d = DIR_L;
+            view_rotate.L = dx / 15.0;
+        }
+    }
+}
+
+static void maemo_play_loop_click(int b, int d)
+{
+    if (d)
+    {
+        int y;
+        SDL_GetMouseState(&button_pressed_x, &y);
+        button_pressed_y = -y + config_get_d(CONFIG_HEIGHT);
+    }
+    else
+    {
+        VIEWR_SET_R(0);
+        VIEWR_SET_L(0);
+    }
+    button_pressed = d;
+    dragging = 0;
+}
+#endif
+
 static void play_loop_point(int id, int x, int y, int dx, int dy)
 {
+#ifndef __MAEMO__
     game_set_pos(dx, dy);
+#else
+    maemo_play_loop_point(id, x, y, dx, dy);
+#endif
 }
 
 static void play_loop_stick(int id, int a, float v, int bump)
@@ -407,6 +461,7 @@ static void play_loop_stick(int id, int a, float v, int bump)
 
 static int play_loop_click(int b, int d)
 {
+#ifndef __MAEMO__
     if (d)
     {
         if (config_tst_d(CONFIG_MOUSE_CAMERA_R, b))
@@ -423,6 +478,9 @@ static int play_loop_click(int b, int d)
         if (config_tst_d(CONFIG_MOUSE_CAMERA_L, b))
             VIEWR_SET_L(0);
     }
+#else
+    maemo_play_loop_click(b, d);
+#endif
 
     return 1;
 }