evilynux patch for joypad support

desmume/src/gtk-glade/Makefile.am

@@ -3,7 +3,7 @@ desmume_glade_SOURCES =  \
 	callbacks.c callbacks.h callbacks_IO.c callbacks_IO.h desmume.c desmume.h \
 	globals.h keyval_names.c main.c printscreen.c \
 	dTools/callbacks_1_ioregs.c dTools/callbacks_dtools.h \
-	../sndsdl.h ../sndsdl.c
+	../sndsdl.h ../sndsdl.c joysdl.h joysdl.c
 desmume_glade_LDADD = ../libdesmume.a $(SDL_LIBS) $(LIBGLADE_LIBS)
 desmume_glade_CFLAGS = $(SDL_CFLAGS) $(LIBGLADE_CFLAGS)
 desmume_glade_LDFLAGS = -rdynamic

desmume/src/gtk-glade/desmume.c

@@ -66,6 +66,7 @@ BOOL desmume_running()
 
 void desmume_cycle()
 {
+	process_joy_events();
 	desmume_last_cycle = NDS_exec((560190 << 1) - desmume_last_cycle, FALSE);
         SPU_Emulate();
 }

desmume/src/gtk-glade/desmume.h

@@ -24,6 +24,7 @@
 #define DESMUME_KEY_BOOST		14
 
 #include "globals.h"
+#include "joysdl.h"
 
 extern void desmume_init();
 extern void desmume_free();

desmume/src/gtk-glade/globals.h

@@ -24,6 +24,7 @@
 uint Frameskip;
 gint Keypad_Config[DESMUME_NB_KEYS];
 gint Keypad_Temp[DESMUME_NB_KEYS];
+u16 Joypad_Config[DESMUME_NB_KEYS];
 
 /* main.c */
 GtkWidget * pWindow;

desmume/src/gtk-glade/main.c

@@ -21,6 +21,23 @@ NULL
 
 gint Keypad_Config[DESMUME_NB_KEYS];
 
+        const u16 Default_Joypad_Config[DESMUME_NB_KEYS] =
+          { 1,  // A
+            0,  // B
+            5,  // select
+            8,  // start
+            20, // Right -- Start cheating abit...
+            21, // Left
+            22, // Up
+            23, // Down  -- End of cheating.
+            7,  // R
+            6,  // L
+            3,  // Y
+            4,  // X
+            -1, // DEBUG
+            -1  // BOOST
+          };
+
 const char *Ini_Keypad_Values[DESMUME_NB_KEYS] =
 {
 	"KEY_A",
@@ -128,6 +145,8 @@ int WinMain (HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgumen
 int main(int argc, char *argv[]) {
 	
 	const char *commandLine_File = NULL;
+	int nbJoysticks;
+        int i;
 
 	if(argc == 2) commandLine_File = argv[1];
 
@@ -136,13 +155,34 @@ int main(int argc, char *argv[]) {
 #endif
 	init_keyvals();
         
+	memcpy(Joypad_Config, Default_Joypad_Config, sizeof(Joypad_Config));
+
 	gtk_init(&argc, &argv);
-	SDL_Init(SDL_INIT_VIDEO);
+	if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) == -1)
+          {
+            fprintf(stderr, "Error trying to initialize SDL: %s\n",
+                    SDL_GetError());
+            return 1;
+          }
 	desmume_init();
 
 	CONFIG_FILE = g_build_filename(g_get_home_dir(), ".desmume.ini", NULL);
 	Read_ConfigFile();
 
+        /* Initialize joysticks */
+        nbJoysticks = SDL_NumJoysticks();
+        printf("Nbr of joysticks: %d\n\n", nbJoysticks);
+
+        for (i = 0; i < nbJoysticks; i++)
+          {
+            SDL_Joystick * joy = SDL_JoystickOpen(i);
+            printf("Joystick %s\n", i, SDL_JoystickName(i));
+            printf("Axes: %d\n", SDL_JoystickNumAxes(joy));
+            printf("Buttons: %d\n", SDL_JoystickNumButtons(joy));
+            printf("Trackballs: %d\n", SDL_JoystickNumBalls(joy));
+            printf("Hats: %d\n\n", SDL_JoystickNumHats(joy));
+          }
+
 	/* load the interface */
 	xml           = glade_xml_new("glade/DeSmuMe.glade", NULL, NULL);
 	xml_tools     = glade_xml_new("glade/DeSmuMe_Dtools.glade", NULL, NULL);