major refactoring in game, server and client package

2 files changed, 426 insertions, 396 deletions

diff --git a/src/jake2/sys/IN.java b/src/jake2/sys/IN.java
index 6f74ab4..2c70d53 100644
--- a/src/jake2/sys/IN.java
+++ b/src/jake2/sys/IN.java
@@ -2,27 +2,27 @@
  * IN.java
  * Copyright (C) 2003
  * 
- * $Id: IN.java,v 1.4 2004-09-08 09:37:39 hzi Exp $
+ * $Id: IN.java,v 1.5 2004-09-22 19:22:14 salomo Exp $
  */
 /*
-Copyright (C) 1997-2001 Id Software, Inc.
+ Copyright (C) 1997-2001 Id Software, Inc.
 
-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 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.
+ 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.
+ 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.
+ 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.
 
-*/
+ */
 package jake2.sys;
 
 import jake2.Globals;
@@ -32,8 +32,11 @@ import jake2.game.Cmd;
 import jake2.game.usercmd_t;
 import jake2.qcommon.Cvar;
 import jake2.qcommon.xcommand_t;
+import jake2.util.Math3D;
 
-import java.awt.*;
+import java.awt.Component;
+import java.awt.Cursor;
+import java.awt.Point;
 
 import javax.swing.ImageIcon;
 
@@ -42,167 +45,192 @@ import javax.swing.ImageIcon;
  */
 public final class IN extends Globals {
 
-	static Component c = null;
-	static Cursor emptyCursor = null;
-
-	static boolean mouse_avail = true;
-	static boolean mouse_active = false;
-	static boolean ignorefirst = false;
-
-	static int mouse_buttonstate;
-	static int mouse_oldbuttonstate;
-
-	static int old_mouse_x;
-	static int old_mouse_y;
-
-	static boolean mlooking;
-	
-	public static void ActivateMouse() {
-		if (!mouse_avail || c == null) return;
-		if (!mouse_active) {
-			KBD.mx = KBD.my = 0; // don't spazz
-			install_grabs();
-			mouse_active = true;
-		}
-	}
-
-	public static void DeactivateMouse() {
-		// if (!mouse_avail || c == null) return;
-		if (mouse_active) {
-			uninstall_grabs();
-			mouse_active = false;
-		}
-	}
-
-	private static void install_grabs() {
-		if (emptyCursor == null) {
-			ImageIcon emptyIcon = new ImageIcon(new byte[0]);
-			emptyCursor = c.getToolkit().createCustomCursor(emptyIcon.getImage(), new Point(0, 0), "emptyCursor");
-		}
-		c.setCursor(emptyCursor);
-		KBD.centerMouse();
-
-		ignorefirst = true;
-	}
-
-	private static void uninstall_grabs() {
-		c.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
-	}
-
-	public static void toggleMouse() {
-		if (mouse_avail) {
-			mouse_avail=false;
-			DeactivateMouse();
-		} else {
-			mouse_avail=true;
-			ActivateMouse();
-		}
-	}
-
-	public static void Init() {
-		in_mouse = Cvar.Get("in_mouse", "1", CVAR_ARCHIVE);
-		in_joystick = Cvar.Get("in_joystick", "0", CVAR_ARCHIVE);
-	}
-
-	public static void Shutdown() {
-		mouse_avail = false;
-	}
-
-	public static void Real_IN_Init() {
-		// mouse variables
-		Globals.m_filter = Cvar.Get("m_filter", "0", 0);
-		Globals.in_mouse = Cvar.Get("in_mouse", "1", CVAR_ARCHIVE);
-		Globals.freelook = Cvar.Get("freelook", "1", 0 );
-		Globals.lookstrafe = Cvar.Get("lookstrafe", "0", 0);
-		Globals.sensitivity = Cvar.Get("sensitivity", "3", 0);
-		Globals.m_pitch = Cvar.Get("m_pitch", "0.022", 0);
-		Globals.m_yaw = Cvar.Get("m_yaw", "0.022", 0);
-		Globals.m_forward = Cvar.Get("m_forward", "1", 0);
-		Globals.m_side = Cvar.Get("m_side", "0.8", 0);
-	
-		Cmd.AddCommand("+mlook", new xcommand_t() {
-			public void execute() {MLookDown();}});
-		Cmd.AddCommand("-mlook", new xcommand_t() {
-			public void execute() {MLookUp();}});
-			
-		Cmd.AddCommand ("force_centerview", new xcommand_t() {
-			public void execute() {Force_CenterView_f();}});
-
-		Cmd.AddCommand ("togglemouse", new xcommand_t() {
-					public void execute() {toggleMouse();}});			
-	
-		IN.mouse_avail = true;		
-	}
-
-	public static void Commands() {
-		int i;
-	
-		if (!IN.mouse_avail) 
-			return;
-	
-		for (i=0 ; i<3 ; i++) {
-			if ( (IN.mouse_buttonstate & (1<<i)) != 0 && (IN.mouse_oldbuttonstate & (1<<i)) == 0 )
-				KBD.Do_Key_Event(Key.K_MOUSE1 + i, true);
-	
-			if ( (IN.mouse_buttonstate & (1<<i)) == 0 && (IN.mouse_oldbuttonstate & (1<<i)) != 0 )
-				KBD.Do_Key_Event(Key.K_MOUSE1 + i, false);
-		}
-		IN.mouse_oldbuttonstate = IN.mouse_buttonstate;		
-	}
-
-	public static void Frame() {
-
-		if ( !cl.refresh_prepped || cls.key_dest == key_console || cls.key_dest == key_menu)
-			DeactivateMouse();
-		else
-			ActivateMouse();
-	}
-
-	public static void CenterView() {
-		cl.viewangles[PITCH] = -SHORT2ANGLE(cl.frame.playerstate.pmove.delta_angles[PITCH]);
-	}
-	
-	public static void Move(usercmd_t cmd) {
-		if (!IN.mouse_avail)
-			return;
-	
-		if (Globals.m_filter.value != 0.0f) {
-			KBD.mx = (KBD.mx + IN.old_mouse_x) / 2;
-			KBD.my = (KBD.my + IN.old_mouse_y) / 2;
-		}
-	
-		IN.old_mouse_x = KBD.mx;
-		IN.old_mouse_y = KBD.my;
-	
-		KBD.mx = (int)(KBD.mx * Globals.sensitivity.value);
-		KBD.my = (int)(KBD.my * Globals.sensitivity.value);
-	
-		// add mouse X/Y movement to cmd
-		if ( (CL_input.in_strafe.state & 1) != 0 || ((Globals.lookstrafe.value != 0) && IN.mlooking )) {
-			cmd.sidemove += Globals.m_side.value * KBD.mx;
-		} else {
-			Globals.cl.viewangles[YAW] -= Globals.m_yaw.value * KBD.mx;
-		}
-	
-		if ( (IN.mlooking || Globals.freelook.value != 0.0f) && (CL_input.in_strafe.state & 1) == 0) {
-			Globals.cl.viewangles[PITCH] += Globals.m_pitch.value * KBD.my;
-		} else {
-			cmd.forwardmove -= Globals.m_forward.value * KBD.my;
-		}
-		KBD.mx = KBD.my = 0;		
-	}
-
-	static void MLookDown() { 
-		mlooking = true; 
-	}
-
-	static void MLookUp() {
-		mlooking = false;
-		CenterView();
-	}
-
-	static void Force_CenterView_f() {
-		Globals.cl.viewangles[PITCH] = 0;
-	}
-
-}
+    static Component c = null;
+
+    static Cursor emptyCursor = null;
+
+    static boolean mouse_avail = true;
+
+    static boolean mouse_active = false;
+
+    static boolean ignorefirst = false;
+
+    static int mouse_buttonstate;
+
+    static int mouse_oldbuttonstate;
+
+    static int old_mouse_x;
+
+    static int old_mouse_y;
+
+    static boolean mlooking;
+
+    public static void ActivateMouse() {
+        if (!mouse_avail || c == null)
+            return;
+        if (!mouse_active) {
+            KBD.mx = KBD.my = 0; // don't spazz
+            install_grabs();
+            mouse_active = true;
+        }
+    }
+
+    public static void DeactivateMouse() {
+        // if (!mouse_avail || c == null) return;
+        if (mouse_active) {
+            uninstall_grabs();
+            mouse_active = false;
+        }
+    }
+
+    private static void install_grabs() {
+        if (emptyCursor == null) {
+            ImageIcon emptyIcon = new ImageIcon(new byte[0]);
+            emptyCursor = c.getToolkit().createCustomCursor(
+                    emptyIcon.getImage(), new Point(0, 0), "emptyCursor");
+        }
+        c.setCursor(emptyCursor);
+        KBD.centerMouse();
+
+        ignorefirst = true;
+    }
+
+    private static void uninstall_grabs() {
+        c.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
+    }
+
+    public static void toggleMouse() {
+        if (mouse_avail) {
+            mouse_avail = false;
+            DeactivateMouse();
+        } else {
+            mouse_avail = true;
+            ActivateMouse();
+        }
+    }
+
+    public static void Init() {
+        in_mouse = Cvar.Get("in_mouse", "1", CVAR_ARCHIVE);
+        in_joystick = Cvar.Get("in_joystick", "0", CVAR_ARCHIVE);
+    }
+
+    public static void Shutdown() {
+        mouse_avail = false;
+    }
+
+    public static void Real_IN_Init() {
+        // mouse variables
+        Globals.m_filter = Cvar.Get("m_filter", "0", 0);
+        Globals.in_mouse = Cvar.Get("in_mouse", "1", CVAR_ARCHIVE);
+        Globals.freelook = Cvar.Get("freelook", "1", 0);
+        Globals.lookstrafe = Cvar.Get("lookstrafe", "0", 0);
+        Globals.sensitivity = Cvar.Get("sensitivity", "3", 0);
+        Globals.m_pitch = Cvar.Get("m_pitch", "0.022", 0);
+        Globals.m_yaw = Cvar.Get("m_yaw", "0.022", 0);
+        Globals.m_forward = Cvar.Get("m_forward", "1", 0);
+        Globals.m_side = Cvar.Get("m_side", "0.8", 0);
+
+        Cmd.AddCommand("+mlook", new xcommand_t() {
+            public void execute() {
+                MLookDown();
+            }
+        });
+        Cmd.AddCommand("-mlook", new xcommand_t() {
+            public void execute() {
+                MLookUp();
+            }
+        });
+
+        Cmd.AddCommand("force_centerview", new xcommand_t() {
+            public void execute() {
+                Force_CenterView_f();
+            }
+        });
+
+        Cmd.AddCommand("togglemouse", new xcommand_t() {
+            public void execute() {
+                toggleMouse();
+            }
+        });
+
+        IN.mouse_avail = true;
+    }
+
+    public static void Commands() {
+        int i;
+
+        if (!IN.mouse_avail)
+            return;
+
+        for (i = 0; i < 3; i++) {
+            if ((IN.mouse_buttonstate & (1 << i)) != 0
+                    && (IN.mouse_oldbuttonstate & (1 << i)) == 0)
+                KBD.Do_Key_Event(Key.K_MOUSE1 + i, true);
+
+            if ((IN.mouse_buttonstate & (1 << i)) == 0
+                    && (IN.mouse_oldbuttonstate & (1 << i)) != 0)
+                KBD.Do_Key_Event(Key.K_MOUSE1 + i, false);
+        }
+        IN.mouse_oldbuttonstate = IN.mouse_buttonstate;
+    }
+
+    public static void Frame() {
+
+        if (!cl.refresh_prepped || cls.key_dest == key_console
+                || cls.key_dest == key_menu)
+            DeactivateMouse();
+        else
+            ActivateMouse();
+    }
+
+    public static void CenterView() {
+        cl.viewangles[PITCH] = -Math3D
+                .SHORT2ANGLE(cl.frame.playerstate.pmove.delta_angles[PITCH]);
+    }
+
+    public static void Move(usercmd_t cmd) {
+        if (!IN.mouse_avail)
+            return;
+
+        if (Globals.m_filter.value != 0.0f) {
+            KBD.mx = (KBD.mx + IN.old_mouse_x) / 2;
+            KBD.my = (KBD.my + IN.old_mouse_y) / 2;
+        }
+
+        IN.old_mouse_x = KBD.mx;
+        IN.old_mouse_y = KBD.my;
+
+        KBD.mx = (int) (KBD.mx * Globals.sensitivity.value);
+        KBD.my = (int) (KBD.my * Globals.sensitivity.value);
+
+        // add mouse X/Y movement to cmd
+        if ((CL_input.in_strafe.state & 1) != 0
+                || ((Globals.lookstrafe.value != 0) && IN.mlooking)) {
+            cmd.sidemove += Globals.m_side.value * KBD.mx;
+        } else {
+            Globals.cl.viewangles[YAW] -= Globals.m_yaw.value * KBD.mx;
+        }
+
+        if ((IN.mlooking || Globals.freelook.value != 0.0f)
+                && (CL_input.in_strafe.state & 1) == 0) {
+            Globals.cl.viewangles[PITCH] += Globals.m_pitch.value * KBD.my;
+        } else {
+            cmd.forwardmove -= Globals.m_forward.value * KBD.my;
+        }
+        KBD.mx = KBD.my = 0;
+    }
+
+    static void MLookDown() {
+        mlooking = true;
+    }
+
+    static void MLookUp() {
+        mlooking = false;
+        CenterView();
+    }
+
+    static void Force_CenterView_f() {
+        Globals.cl.viewangles[PITCH] = 0;
+    }
+
+}
\ No newline at end of file
diff --git a/src/jake2/sys/Sys.java b/src/jake2/sys/Sys.java
index c27d98c..ba2a6c7 100644
--- a/src/jake2/sys/Sys.java
+++ b/src/jake2/sys/Sys.java
@@ -2,27 +2,27 @@
  * Sys.java
  * Copyright (C) 2003
  * 
- * $Id: Sys.java,v 1.8 2004-09-10 19:02:56 salomo Exp $
+ * $Id: Sys.java,v 1.9 2004-09-22 19:22:14 salomo Exp $
  */
 /*
-Copyright (C) 1997-2001 Id Software, Inc.
+ Copyright (C) 1997-2001 Id Software, Inc.
 
-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 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.
+ 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.
+ 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.
+ 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.
 
-*/
+ */
 package jake2.sys;
 
 import jake2.Defines;
@@ -40,207 +40,209 @@ import java.util.regex.PatternSyntaxException;
  */
 public final class Sys extends Defines {
 
-	public static void Error(String error) {
-
-		CL.Shutdown();
-		//StackTrace();
-		new Exception(error).printStackTrace();
-		System.exit(1);
-	}
-
-	public static void Quit() {
-		CL.Shutdown();
-
-		System.exit(0);
-	}
-
-	//ok!
-	public static File[] FindAll(String path, int musthave, int canthave) {
-
-		int index= path.lastIndexOf('/');
-
-		if (index != -1) {
-			findbase= path.substring(0, index);
-			findpattern= path.substring(index + 1, path.length());
-		}
-		else {
-			findbase= path;
-			findpattern= "*";
-		}
-
-		if (findpattern.equals("*.*")) {
-			findpattern= "*";
-		}
-
-		File fdir= new File(findbase);
-
-		if (!fdir.exists())
-			return null;
-
-		FilenameFilter filter= new FileFilter(findpattern, musthave, canthave);
-
-		return fdir.listFiles(filter);
-	}
-
-	/**
-	 *  Match the pattern findpattern against the filename.
-	 * 
-	 *  In the pattern string, `*' matches any sequence of characters,
-	 *  `?' matches any character, [SET] matches any character in the specified set,
-	 * [!SET] matches any character not in the specified set.
-	 * A set is composed of characters or ranges; a range looks like
-	 * character hyphen character (as in 0-9 or A-Z).
-	 * [0-9a-zA-Z_] is the set of characters allowed in C identifiers.
-	 * Any other character in the pattern must be matched exactly.
-	 * To suppress the special syntactic significance of any of `[]*?!-\',
-	 * and match the character exactly, precede it with a `\'.
-	*/
-	static class FileFilter implements FilenameFilter {
-
-		String regexpr;
-		int musthave, canthave;
-
-		FileFilter(String findpattern, int musthave, int canthave) {
-			this.regexpr= convert2regexpr(findpattern);
-			this.musthave= musthave;
-			this.canthave= canthave;
-
-		}
-
-		/* 
-		 * @see java.io.FilenameFilter#accept(java.io.File, java.lang.String)
-		 */
-		public boolean accept(File dir, String name) {
-			if (name.matches(regexpr)) {
-				return CompareAttributes(dir, musthave, canthave);
-			}
-			return false;
-		}
-
-		String convert2regexpr(String pattern) {
-
-			StringBuffer sb= new StringBuffer();
-
-			char c;
-			boolean escape= false;
-
-			String subst;
-
-			// convert pattern
-			for (int i= 0; i < pattern.length(); i++) {
-				c= pattern.charAt(i);
-				subst= null;
-				switch (c) {
-					case '*' :
-						subst= (!escape) ? ".*" : "*";
-						break;
-					case '.' :
-						subst= (!escape) ? "\\." : ".";
-						break;
-					case '!' :
-						subst= (!escape) ? "^" : "!";
-						break;
-					case '?' :
-						subst= (!escape) ? "." : "?";
-						break;
-					case '\\' :
-						escape= !escape;
-						break;
-					default :
-						escape= false;
-				}
-				if (subst != null) {
-					sb.append(subst);
-					escape= false;
-				}
-				else
-					sb.append(c);
-			}
-
-			// the converted pattern
-			String regexpr= sb.toString();
-
-			//Com.DPrintf("pattern: " + pattern + " regexpr: " + regexpr + '\n');
-			try {
-				Pattern.compile(regexpr);
-			}
-			catch (PatternSyntaxException e) {
-				Com.Printf("invalid file pattern ( *.* is used instead )\n");
-				return ".*"; // the default
-			}
-			return regexpr;
-		}
-
-		boolean CompareAttributes(File dir, int musthave, int canthave) {
-			// . and .. never match
-			String name= dir.getName();
-
-			if (name.equals(".") || name.equals(".."))
-				return false;
-
-			return true;
-		}
-
-	}
-
-	private static long secbase= System.currentTimeMillis();
-	public static int Milliseconds() {
-		return Globals.curtime= (int) (System.currentTimeMillis() - secbase);
-	}
-
-	//============================================
-
-	static File[] fdir;
-	static int fileindex;
-	static String findbase;
-	static String findpattern;
-
-	// ok.
-	public static File FindFirst(String path, int musthave, int canthave) {
-
-		if (fdir != null)
-			Sys.Error("Sys_BeginFind without close");
-
-		//	COM_FilePath (path, findbase);
-
-		fdir= FindAll(path, canthave, musthave);
-		fileindex= 0;
-
-		if (fdir == null)
-			return null;
-
-		return FindNext();
-	}
-
-	public static File FindNext() {
-
-		if (fileindex >= fdir.length)
-			return null;
-
-		return fdir[fileindex++];
-	}
-
-	public static void FindClose() {
-		fdir= null;
-	}
-
-	public static void SendKeyEvents() {
-		KBD.Update();
-
-		// grab frame time 
-		Globals.sys_frame_time= Sys.Milliseconds();
-	}
-
-	public static String GetClipboardData() {
-		// TODO: implement GetClipboardData
-		return null;
-	}
-
-	public static void ConsoleOutput(String msg) {
-		if (Globals.nostdout != null && Globals.nostdout.value != 0)
-			return;
-
-		System.out.print(msg);
-	}
+    public static void Error(String error) {
+
+        CL.Shutdown();
+        //StackTrace();
+        new Exception(error).printStackTrace();
+        System.exit(1);
+    }
+
+    public static void Quit() {
+        CL.Shutdown();
+
+        System.exit(0);
+    }
+
+    //ok!
+    public static File[] FindAll(String path, int musthave, int canthave) {
+
+        int index = path.lastIndexOf('/');
+
+        if (index != -1) {
+            findbase = path.substring(0, index);
+            findpattern = path.substring(index + 1, path.length());
+        } else {
+            findbase = path;
+            findpattern = "*";
+        }
+
+        if (findpattern.equals("*.*")) {
+            findpattern = "*";
+        }
+
+        File fdir = new File(findbase);
+
+        if (!fdir.exists())
+            return null;
+
+        FilenameFilter filter = new FileFilter(findpattern, musthave, canthave);
+
+        return fdir.listFiles(filter);
+    }
+
+    /**
+     * Match the pattern findpattern against the filename.
+     * 
+     * In the pattern string, `*' matches any sequence of characters, `?'
+     * matches any character, [SET] matches any character in the specified set,
+     * [!SET] matches any character not in the specified set. A set is composed
+     * of characters or ranges; a range looks like character hyphen character
+     * (as in 0-9 or A-Z). [0-9a-zA-Z_] is the set of characters allowed in C
+     * identifiers. Any other character in the pattern must be matched exactly.
+     * To suppress the special syntactic significance of any of `[]*?!-\', and
+     * match the character exactly, precede it with a `\'.
+     */
+    static class FileFilter implements FilenameFilter {
+
+        String regexpr;
+
+        int musthave, canthave;
+
+        FileFilter(String findpattern, int musthave, int canthave) {
+            this.regexpr = convert2regexpr(findpattern);
+            this.musthave = musthave;
+            this.canthave = canthave;
+
+        }
+
+        /*
+         * @see java.io.FilenameFilter#accept(java.io.File, java.lang.String)
+         */
+        public boolean accept(File dir, String name) {
+            if (name.matches(regexpr)) {
+                return CompareAttributes(dir, musthave, canthave);
+            }
+            return false;
+        }
+
+        String convert2regexpr(String pattern) {
+
+            StringBuffer sb = new StringBuffer();
+
+            char c;
+            boolean escape = false;
+
+            String subst;
+
+            // convert pattern
+            for (int i = 0; i < pattern.length(); i++) {
+                c = pattern.charAt(i);
+                subst = null;
+                switch (c) {
+                case '*':
+                    subst = (!escape) ? ".*" : "*";
+                    break;
+                case '.':
+                    subst = (!escape) ? "\\." : ".";
+                    break;
+                case '!':
+                    subst = (!escape) ? "^" : "!";
+                    break;
+                case '?':
+                    subst = (!escape) ? "." : "?";
+                    break;
+                case '\\':
+                    escape = !escape;
+                    break;
+                default:
+                    escape = false;
+                }
+                if (subst != null) {
+                    sb.append(subst);
+                    escape = false;
+                } else
+                    sb.append(c);
+            }
+
+            // the converted pattern
+            String regexpr = sb.toString();
+
+            //Com.DPrintf("pattern: " + pattern + " regexpr: " + regexpr +
+            // '\n');
+            try {
+                Pattern.compile(regexpr);
+            } catch (PatternSyntaxException e) {
+                Com.Printf("invalid file pattern ( *.* is used instead )\n");
+                return ".*"; // the default
+            }
+            return regexpr;
+        }
+
+        boolean CompareAttributes(File dir, int musthave, int canthave) {
+            // . and .. never match
+            String name = dir.getName();
+
+            if (name.equals(".") || name.equals(".."))
+                return false;
+
+            return true;
+        }
+
+    }
+
+    private static long secbase = System.currentTimeMillis();
+
+    public static int Milliseconds() {
+        return Globals.curtime = (int) (System.currentTimeMillis() - secbase);
+    }
+
+    //============================================
+
+    static File[] fdir;
+
+    static int fileindex;
+
+    static String findbase;
+
+    static String findpattern;
+
+    // ok.
+    public static File FindFirst(String path, int musthave, int canthave) {
+
+        if (fdir != null)
+            Sys.Error("Sys_BeginFind without close");
+
+        //	COM_FilePath (path, findbase);
+
+        fdir = FindAll(path, canthave, musthave);
+        fileindex = 0;
+
+        if (fdir == null)
+            return null;
+
+        return FindNext();
+    }
+
+    public static File FindNext() {
+
+        if (fileindex >= fdir.length)
+            return null;
+
+        return fdir[fileindex++];
+    }
+
+    public static void FindClose() {
+        fdir = null;
+    }
+
+    public static void SendKeyEvents() {
+        KBD.Update();
+
+        // grab frame time
+        Globals.sys_frame_time = Sys.Milliseconds();
+    }
+
+    public static String GetClipboardData() {
+        // TODO: implement GetClipboardData
+        return null;
+    }
+
+    public static void ConsoleOutput(String msg) {
+        if (Globals.nostdout != null && Globals.nostdout.value != 0)
+            return;
+
+        System.out.print(msg);
+    }
 
-}
+}
\ No newline at end of file