Index: share/tilt_wii.c
===================================================================
--- share/tilt_wii.c	(revision 3711)
+++ share/tilt_wii.c	(working copy)
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2003 Robert Kooima
+ * Copyright (C) 2011 Birte Kristina Friesel
  *
  * NEVERBALL is  free software; you can redistribute  it and/or modify
  * it under the  terms of the GNU General  Public License as published
@@ -22,9 +23,11 @@
 /*---------------------------------------------------------------------------*/
 
 #define _ENABLE_TILT
-#include <libcwiimote/wiimote.h>
-#include <libcwiimote/wiimote_api.h>
+#include <bluetooth/bluetooth.h>
+#include <cwiid.h>
 
+struct balance_cal balance_cal;
+
 /*
  * This data structure tracks button changes, counting transitions so that
  * none are missed if the event handling thread falls significantly behind
@@ -43,6 +46,23 @@
     unsigned char dnc;
 };
 
+
+/* not having and setting a callback causes problems with SDL's mutex
+ * ("Mesg pipe is full")
+ */
+static void cwiid_callback(cwiid_wiimote_t *wiimote, int mesg_count,
+	union cwiid_mesg mesg[], struct timespec *ts)
+{
+}
+
+static double weight(unsigned short reading, unsigned short cal[3])
+{
+	if (reading < cal[1])
+		return ((double)reading - cal[0]) / (cal[1] - cal[0]) * 17.0;
+
+	return (((double)reading - cal[1]) / (cal[2] - cal[1]) * 17.0) + 17.0;
+}
+
 static void set_button(struct button_state *B, int s)
 {
     if ((B->curr == 0) != (s == 0))
@@ -106,59 +126,80 @@
 
 static int tilt_func(void *data)
 {
-    wiimote_t   wiimote = WIIMOTE_INIT;
-    const char *address = config_get_s(CONFIG_WIIMOTE_ADDR);
+    cwiid_wiimote_t *wiimote = NULL;
 
-    if (strlen(address) > 0)
-    {
-        if (wiimote_connect(&wiimote, address) < 0)
-            fprintf(stderr, "%s\n", wiimote_get_error());
-        else
-        {
-            int running = 1;
+    struct cwiid_state wiistate;
 
-            wiimote.mode.bits = WIIMOTE_MODE_ACC;
-            wiimote.led.one   = 1;
+    double wlt, wrt, wlb, wrb, bal_x, bal_y;
 
+    if ((wiimote = cwiid_open(BDADDR_ANY, 0)) == NULL)
+		fprintf(stderr, "Unable to connect to bboard\n");
+	else
+	{
+		int running = 1;
+
+		cwiid_set_led(wiimote, 1);
+		cwiid_get_balance_cal(wiimote, &balance_cal);
+		cwiid_set_mesg_callback(wiimote, cwiid_callback);
+		cwiid_enable(wiimote, CWIID_FLAG_MESG_IFC);
+		cwiid_set_rpt_mode(wiimote, CWIID_RPT_STATUS | CWIID_RPT_EXT);
+
             SDL_mutexP(mutex);
             state.status = running;
             SDL_mutexV(mutex);
 
-            while (mutex && running && wiimote_is_open(&wiimote))
+            while (mutex && running)
             {
-                if (wiimote_update(&wiimote) < 0)
-                    break;
 
                 SDL_mutexP(mutex);
                 {
                     running = state.status;
 
-                    set_button(&state.A,     wiimote.keys.a);
-                    set_button(&state.B,     wiimote.keys.b);
-                    set_button(&state.plus,  wiimote.keys.plus);
-                    set_button(&state.minus, wiimote.keys.minus);
-                    set_button(&state.home,  wiimote.keys.home);
-                    set_button(&state.L,     wiimote.keys.left);
-                    set_button(&state.R,     wiimote.keys.right);
-                    set_button(&state.U,     wiimote.keys.up);
-                    set_button(&state.D,     wiimote.keys.down);
+                    set_button(&state.A,     0);
+                    set_button(&state.B,     0);
+                    set_button(&state.plus,  0);
+                    set_button(&state.minus, 0);
+                    set_button(&state.home,  0);
+                    set_button(&state.L,     0);
+                    set_button(&state.R,     0);
+                    set_button(&state.U,     0);
+                    set_button(&state.D,     0);
 
-                    if (isnormal(wiimote.tilt.y))
+				cwiid_get_state(wiimote, &wiistate);
+
+				wlt = weight(wiistate.ext.balance.left_top, balance_cal.left_top);
+				wrt = weight(wiistate.ext.balance.right_top, balance_cal.right_top);
+				wlb = weight(wiistate.ext.balance.left_bottom, balance_cal.left_bottom);
+				wrb = weight(wiistate.ext.balance.right_bottom, balance_cal.right_bottom);
+
+				bal_x = (wrt + wrb) / (wlt + wlb);
+				if (bal_x > 1)
+					bal_x = ((wlt + wlb) / (wrt + wrb) * (-1.0)) + 1.0;
+				else
+					bal_x -= 1;
+
+				bal_y = (wlt + wrt) / (wlb + wrb);
+				if (bal_y > 1)
+					bal_y = ((wlb + wrb) / (wlt + wrt) * (-1.0)) + 1.0;
+				else
+					bal_y -= 1;
+
+                    if ((bal_y >= -1) && (bal_y <= 1))
                     {
+					bal_y *= 12;
                         state.x = (state.x * (FILTER - 1) +
-                                   wiimote.tilt.y) / FILTER;
+                                   bal_y) / FILTER;
                     }
-                    if (isnormal(wiimote.tilt.x))
+                    if ((bal_x >= -1) && (bal_x <= 1))
                     {
+					bal_x *= 12;
                         state.z = (state.z * (FILTER - 1) +
-                                   wiimote.tilt.x) / FILTER;
+                                   bal_x) / FILTER;
                     }
                 }
                 SDL_mutexV(mutex);
             }
 
-            wiimote_disconnect(&wiimote);
-        }
     }
     return 0;
 }
@@ -295,3 +336,4 @@
 }
 
 /*---------------------------------------------------------------------------*/
+
Index: Makefile
===================================================================
--- Makefile	(revision 3711)
+++ Makefile	(working copy)
@@ -105,7 +105,7 @@
 INTL_LIBS :=
 
 ifeq ($(ENABLE_TILT),wii)
-    TILT_LIBS := -lcwiimote -lbluetooth
+    TILT_LIBS := -lcwiid -lbluetooth
 else
 ifeq ($(ENABLE_TILT),loop)
     TILT_LIBS := -lusb-1.0 -lfreespace