--- /dev/null
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ * Copyright (C) 2002 Ben Parnell
+ * Copyright (C) 2002 Paul Kuliniewicz
+ *
+ * This program 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 Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* PK: SDL joystick input stuff */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include "sdl.h"
+#ifndef GP2X
+static SDL_Joystick *jo[4] = {NULL, NULL, NULL, NULL};
+static void ConfigJoystick (int z);
+
+#define JOY_A 0x01
+#define JOY_B 0x02
+#define JOY_SELECT 0x04
+#define JOY_START 0x08
+#define JOY_UP 0x10
+#define JOY_DOWN 0x20
+#define JOY_LEFT 0x40
+#define JOY_RIGHT 0x80
+#endif
+
+/* Gets the current joystick position information. */
+uint32 GetJSOr (void)
+{
+#ifndef GP2X
+ int n; /* joystick index */
+ int b; /* button index */
+ int *joym; /* pointer to a joystick's button map */
+ Sint16 pos; /* axis position */
+ uint32 ret = 0; /* return value */
+
+ for (n = 0; n < 4; n++)
+ {
+ if (joy[n] == 0)
+ continue;
+ joym = joyBMap[n];
+
+ /* Axis information. */
+ pos = SDL_JoystickGetAxis(jo[n], joyAMap[n][0]);
+ if (pos <= -16383)
+ ret |= JOY_LEFT << (n << 3);
+ else if (pos >= 16363)
+ ret |= JOY_RIGHT << (n << 3);
+ pos = SDL_JoystickGetAxis(jo[n], joyAMap[n][1]);
+ if (pos <= -16383)
+ ret |= JOY_UP << (n << 3);
+ else if (pos >= 16383)
+ ret |= JOY_DOWN << (n << 3);
+
+ /* Button information. */
+ for (b = 0; b < 4; b++)
+ {
+ if (SDL_JoystickGetButton(jo[n], joym[b]))
+ ret |= (1 << b) << (n << 3);
+ }
+ }
+
+ return ret;
+#else
+ return 0;
+#endif
+}
+
+/* Cleanup opened joysticks. */
+void KillJoysticks (void)
+{
+#ifndef GP2X
+ int n; /* joystick index */
+
+ for (n = 0; n < 4; n++)
+ {
+ if (joy[n] != 0)
+ SDL_JoystickClose(jo[n]);
+ }
+ SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
+ return;
+#endif
+}
+
+/* Initialize joysticks. */
+int InitJoysticks (void)
+{
+#ifndef GP2X
+ int n; /* joystick index */
+ if(!(joy[0]|joy[1]|joy[2]|joy[3]))
+ return(0);
+ SDL_InitSubSystem(SDL_INIT_JOYSTICK);
+ for (n = 0; n < 4; n++)
+ {
+ if (joy[n] == 0)
+ continue;
+
+ /* Open the joystick under SDL. */
+ jo[n] = SDL_JoystickOpen(joy[n] - 1);
+ if (jo[n] == NULL)
+ {
+ printf("Could not open joystick %d: %s.\n",
+ joy[n] - 1, SDL_GetError());
+ joy[n] = 0;
+ continue;
+ }
+
+ /* Check for a button map. */
+ if (!(joyBMap[n][0] | joyBMap[n][1] | joyBMap[n][2] |
+ joyBMap[n][3]))
+ {
+ ConfigJoystick(n);
+ }
+ }
+
+ return (1);
+#endif
+}
+
+#define WNOINPUT(); for(;;){uint8 t; if(read(fileno(stdin),&t,1)==-1) \
+ {break;}}
+
+/* Configure a joystick button. */
+static void BConfig (int n, int b)
+{
+#ifndef GP2X
+ SDL_Event event; /* SDL event structure */
+ WNOINPUT();
+ while (1)
+ {
+ uint8 t;
+ if (read(fileno(stdin), &t, 1) == -1)
+ {
+ if (errno != EAGAIN)
+ break;
+ }
+ else
+ break;
+
+ if (SDL_PollEvent(&event) && event.type == SDL_JOYBUTTONDOWN)
+ {
+ joyBMap[n][b] = event.jbutton.button;
+ goto endsa;
+ }
+ }
+
+ endsa:
+ WNOINPUT();
+
+ return;
+#endif
+}
+
+/* Joystick button and axis configuration. */
+void ConfigJoystick (int n)
+{
+#ifndef GP2X
+ int sa; /* buffer value */
+ char buf[128]; /* input buffer */
+
+ printf("\n\n Joystick button and axis configuration:\n\n");
+ printf(" Select the joystick axes to use for the virtual d-pad.\n");
+ printf(" If you do not wish to assign an axis, press Enter to skip\n");
+ printf(" that axis.\n");
+ printf(" Push the button to map to the virtual joystick.\n");
+ printf(" If you do not wish to assign a button, press Enter to skip\n");
+ printf(" that button.\n Press enter to continue...\n");
+ getchar();
+ printf("**** Configuring joystick %d ****\n\n", n + 1);
+
+ printf("** Enter axis to use for the x-axis (default 0).\n");
+ fgets(buf, sizeof(buf), stdin);
+ joyAMap[n][0] = ('0' <= buf[0] && buf[9] <= '9') ? atoi(buf) : 0;
+
+ printf("** Enter axis to use for the y-axis (default 1).\n");
+ fgets(buf, sizeof(buf), stdin);
+ joyAMap[n][1] = ('0' <= buf[0] && buf[9] <= '9') ? atoi(buf) : 1;
+
+ sa = fcntl(fileno(stdin), F_GETFL);
+ fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
+
+ printf("** Press button for \"Select\".\n");
+ BConfig(n, 2);
+
+ printf("** Press button for \"Start\".\n");
+ BConfig(n, 3);
+
+ printf("** Press button for \"B\".\n");
+ BConfig(n, 1);
+
+ printf("** Press button for \"A\".\n");
+ BConfig(n, 0);
+
+ fcntl(fileno(stdin), F_SETFL, sa);
+#endif
+}
notaz.gp2x.de / fceu.git / blobdiff