From a9022b5972dc49d86f617a27940fafe9c4d0e7e7 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Thu, 9 Jun 2011 13:46:28 +0000
Subject: Initial import of (very old) vidoom sources.

---
 flags.c | 203 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 203 insertions(+)
 create mode 100644 flags.c

(limited to 'flags.c')

diff --git a/flags.c b/flags.c
new file mode 100644
index 0000000..08ed020
--- /dev/null
+++ b/flags.c
@@ -0,0 +1,203 @@
+/*
+
+    viDOOM - level editor for DOOM
+
+    Copyright (C) 2000  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    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
+
+    -------------------------------------------------------------------------
+
+    Generic flag handling.  Used for THING and LINEDEF flags
+
+*/
+static const char rcs_id[]="$Id$";
+
+#include "config.h"
+#include "globals.h"
+
+#include "platgui.h"
+#include "flags.h"
+#include "mem.h"
+#include "list.h"
+
+
+/* ---------------------------------------- TYPES AND VARS
+*/
+typedef struct
+	{
+	int	group;
+	int	mask1;
+	int	mask2;
+	char	*name;
+	char	flag[2];
+	} Flag;
+
+static List	list[2][2];
+
+
+/* ---------------------------------------- PRIVATE FUNCTIONS
+*/
+static int Index(int hexen)
+{
+    if (hexen)
+    	return(1);
+    else
+    	return(0);
+}
+
+static int IsSet(Flag *f,int v)
+{
+    v&=f->mask1;
+    return(v==f->mask2);
+}
+
+
+/* ---------------------------------------- EXPORTED FUNCTIONS
+*/
+
+void FlagAdd(int hexen, int class, int group, 
+	     char *name, int mask1, int mask2, char flag)
+{
+    Flag f;
+    Iterator i;
+    Flag *pf;
+
+    hexen=Index(hexen);
+
+    if (!(list[hexen][class]))
+    	list[hexen][class]=ListNew(sizeof(Flag));
+
+    f.name=Strdup(name);
+    f.mask1=mask1;
+    f.mask2=mask2;
+    f.flag[0]=flag;
+    f.flag[1]=0;
+    f.group=group;
+
+    i=ListIterator(list[hexen][class]);
+
+    while(i)
+    	{
+	pf=IteratorData(i);
+
+	if ((pf->mask1==mask1)&&(pf->mask2==mask2))
+	    {
+	    Release(pf->name);
+	    IteratorUpdate(i,&f);
+	    IteratorClear(i);
+	    return;
+	    }
+
+	i=IteratorNext(i);
+	}
+
+    ListAppend(list[hexen][class],&f);
+}
+
+
+int SelectFlags(int hexen, int class, int *flags)
+{
+    static char *title[]={"THING FLAGS","LINEDEF FLAGS"};
+    PLAT_MULTI *p;
+    Flag *pf;
+    int no;
+    int f;
+    Iterator i;
+    int res;
+
+    hexen=Index(hexen);
+
+    no=ListSize(list[hexen][class]);
+    p=Grab(sizeof(PLAT_MULTI)*(no+1));
+
+    i=ListIterator(list[hexen][class]);
+
+    for(f=0;f<no;f++)
+    	{
+	pf=IteratorData(i);
+	i=IteratorNext(i);
+	p[f].val=IsSet(pf,*flags);
+	p[f].text=pf->name;
+	p[f].group=pf->group;
+	}
+
+    p[f].text=NULL;
+
+    if (GUI_multi_box(title[class],p))
+    	{
+	i=ListIterator(list[hexen][class]);
+
+	for(f=0;f<no;f++)
+	    {
+	    pf=IteratorData(i);
+	    i=IteratorNext(i);
+	    *flags&=~(pf->mask1);
+	    }
+
+	i=ListIterator(list[hexen][class]);
+
+	for(f=0;f<no;f++)
+	    {
+	    pf=IteratorData(i);
+	    i=IteratorNext(i);
+
+	    if (p[f].val)
+		*flags|=pf->mask2;
+	    }
+
+	res=TRUE;
+	}
+    else
+	res=FALSE;
+
+    Release(p);
+    return(res);
+}
+
+
+char *FlagText(int hexen, int class, int flags)
+{
+    static char s[128];
+    Flag *pf;
+    Iterator i;
+
+    hexen=Index(hexen);
+
+    i=ListIterator(list[hexen][class]);
+    strcpy(s,"");
+
+    while(i)
+    	{
+	pf=IteratorData(i);
+
+	if (IsSet(pf,flags))
+	    {
+	    /*
+	    if (s[0])
+		strcat(s,",");
+	    */
+	    	
+	    strcat(s,pf->flag);
+	    }
+
+	i=IteratorNext(i);
+	}
+
+    return(s);
+}
+
+
+/* END OF FILE */
-- 
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