rnd-20001202-1-src

[rocksndiamonds.git] / src / joystick.c

diff --git a/src/joystick.c b/src/joystick.c
index 16d00d785a884f92bb311fcb283a84b7362b90ef..b21d682e3de4a33586984220baeac30e6a8e6499 100644 (file)
--- a/src/joystick.c
+++ b/src/joystick.c
@@ -19,6 +19,90 @@
 
 #include "joystick.h"
 
+#define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0
+#define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1
+
+void translate_joyname(int *joysymbol, char **name, int mode)
+{
+  static struct
+  {
+    int joysymbol;
+    char *name;
+  } translate_joy[] =
+  {
+    { JOY_LEFT,                "joystick_left" },
+    { JOY_RIGHT,       "joystick_right" },
+    { JOY_UP,          "joystick_up" },
+    { JOY_DOWN,                "joystick_down" },
+    { JOY_BUTTON_1,    "joystick_button_1" },
+    { JOY_BUTTON_2,    "joystick_button_2" },
+  };
+
+  int i;
+
+  if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME)
+  {
+    *name = "[undefined]";
+
+    for (i=0; i<6; i++)
+    {
+      if (*joysymbol == translate_joy[i].joysymbol)
+      {
+       *name = translate_joy[i].name;
+       break;
+      }
+    }
+  }
+  else if (mode == TRANSLATE_JOYNAME_TO_JOYSYMBOL)
+  {
+    *joysymbol = 0;
+
+    for (i=0; i<6; i++)
+    {
+      if (strcmp(*name, translate_joy[i].name) == 0)
+      {
+       *joysymbol = translate_joy[i].joysymbol;
+       break;
+      }
+    }
+  }
+}
+
+char *getJoyNameFromJoySymbol(int joysymbol)
+{
+  char *name;
+
+  translate_joyname(&joysymbol, &name, TRANSLATE_JOYSYMBOL_TO_JOYNAME);
+  return name;
+}
+
+int getJoySymbolFromJoyName(char *name)
+{
+  int joysymbol;
+
+  translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL);
+  return joysymbol;
+}
+
+int getJoystickNrFromDeviceName(char *device_name)
+{
+  char c;
+  int joystick_nr = 0;
+
+  if (device_name == NULL || device_name[0] == '\0')
+    return 0;
+
+  c = device_name[strlen(device_name) - 1];
+
+  if (c >= '0' && c <= '9')
+    joystick_nr = (int)(c - '0');
+
+  if (joystick_nr < 0 || joystick_nr >= MAX_PLAYERS)
+    joystick_nr = 0;
+
+  return joystick_nr;
+}
+
 #if !defined(PLATFORM_MSDOS)
 static int JoystickPosition(int middle, int margin, int actual)
 {