Start on Wii input.

config.def.h

@@ -58,6 +58,7 @@
 #define INPUT_X 12
 #define INPUT_PS3 19
 #define INPUT_XENON360 21
+#define INPUT_WII 23
 ////////////////////////
 
 #if defined(HAVE_OPENGL) || defined(__CELLOS_LV2__)
@@ -112,6 +113,8 @@
 #define INPUT_DEFAULT_DRIVER INPUT_PS3
 #elif defined(XENON)
 #define INPUT_DEFAULT_DRIVER INPUT_XENON360
+#elif defined(GEKKO)
+#define INPUT_DEFAULT_DRIVER INPUT_WII
 #elif defined(HAVE_XVIDEO)
 #define INPUT_DEFAULT_DRIVER INPUT_X
 #else

driver.h

@@ -178,6 +178,7 @@ extern const input_driver_t input_sdl;
 extern const input_driver_t input_x;
 extern const input_driver_t input_ps3;
 extern const input_driver_t input_xenon360;
+extern const input_driver_t input_wii;
 ////////////////////////////////////////////////
 
 #endif

ps3/ps3_audio.c

@@ -1,5 +1,5 @@
 /*  SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
- *  Copyright (C) 2010 - Hans-Kristian Arntzen
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
  *  Copyright (C) 2011 - Daniel De Matteis
  *
  *  Some code herein may be based on code found in BSNES.

ps3/ps3_input.c

@@ -1,5 +1,5 @@
 /*  SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
- *  Copyright (C) 2010 - Hans-Kristian Arntzen
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
  *  Copyright (C) 2011 - Daniel De Matteis
  *
  *  Some code herein may be based on code found in BSNES.
@@ -126,11 +126,9 @@ static bool ps3_key_pressed(void *data, int key)
       case SSNES_REWIND:
          return CTRL_RSTICK_DOWN(state[0]) && CTRL_R2(~state[0]);
       default:
-         break;
-   }
-
          return false;
    }
+}
 
 const input_driver_t input_ps3 = {
    .init = ps3_input_init,

settings.c

@@ -122,6 +122,9 @@ static void set_defaults(void)
       case INPUT_XENON360:
          def_input = "xenon360";
          break;
+      case INPUT_WII:
+         def_input = "wii";
+         break;
       default:
          break;
    }

wii/input.c

@@ -0,0 +1,119 @@
+/*  SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdint.h>
+#include <gccore.h>
+#include <ogc/pad.h>
+
+#include "../driver.h"
+#include "../libsnes.hpp"
+#include <stdlib.h>
+
+// Just plain pads for now.
+static bool pad_state[5][SSNES_FIRST_META_KEY];
+static bool g_quit;
+
+static int16_t wii_input_state(void *data, const struct snes_keybind **binds,
+      bool port, unsigned device,
+      unsigned index, unsigned id)
+{
+   (void)data;
+   (void)binds;
+   (void)index;
+
+   if (device != SNES_DEVICE_JOYPAD)
+      return 0;
+
+   unsigned player = 0;
+   if (port == SNES_PORT_2 && device == SNES_DEVICE_MULTITAP)
+      player = index + 1;
+   else if (port == SNES_PORT_2)
+      player = 1;
+
+   return pad_state[player][id];
+}
+
+static void wii_free_input(void *data)
+{
+   (void)data;
+}
+
+static void reset_callback(void)
+{
+   g_quit = true;
+}
+
+static void *wii_input_init(void)
+{
+   static bool inited = false;
+   if (!inited)
+   {
+      SYS_SetResetCallback(reset_callback);
+      SYS_SetPowerCallback(reset_callback);
+      PAD_Init();
+   }
+   return (void*)-1;
+}
+
+#define _B(btn) pad_state[i][SNES_DEVICE_ID_JOYPAD_##btn] = down & PAD_BUTTON##btn
+
+static void wii_input_poll(void *data)
+{
+   (void)data;
+
+   unsigned pads = PAD_ScanPads();
+   for (unsigned i = 0; i < pads; i++)
+   {
+      uint16_t down = PAD_ButtonsDown(i);
+      _B(B);
+      _B(Y);
+      pad_state[i][SNES_DEVICE_ID_JOYPAD_SELECT] = down & PAD_BUTTON_Z;
+      _B(START);
+      _B(UP);
+      _B(DOWN);
+      _B(LEFT);
+      _B(RIGHT);
+      _B(A);
+      _B(X);
+      _B(L);
+      _B(R);
+   }
+}
+
+#undef _B
+
+static bool wii_key_pressed(void *data, int key)
+{
+   (void)data;
+   switch (key)
+   {
+      case SSNES_QUIT_KEY:
+         return g_quit;
+      default:
+         return false;
+   }
+}
+
+const input_driver_t input_ps3 = {
+   .init = wii_input_init,
+   .poll = wii_input_poll,
+   .input_state = wii_input_state,
+   .key_pressed = wii_key_pressed,
+   .free = wii_free_input,
+   .ident = "wii",
+};
+