server/common/region.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2001-2003 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992 Frank Tore Johansen
 * 
 * Deliantra is free software: you can redistribute it and/or modify it under
 * the terms of the Affero GNU General Public License as published by the
 * Free Software Foundation, either version 3 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 Affero GNU General Public License
 * and the GNU General Public License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <support@deliantra.net>
 */

#include <global.h>
#include <unistd.h>

regionvec regions;

region *
region::default_region ()
{
  for_all_regions (rgn)
    if (rgn->fallback)
      return rgn;

  return regions [0];
}

/* 
 * Pass a char array, returns a pointer to the region of the same name.
 * if it can't find a region of the same name it returns the first region
 * with the 'fallback' property set.
 * if it can't find a matching name /or/ a fallback region it logs an info message 
 * message and returns NULL
 * used by the map parsing code. 
 */
region *
region::find (shstr_cmp name)
{
  for_all_regions (rgn)
    if (rgn->name == name)
      return rgn;

  LOG (llevError, "region called %s requested, but not found, using fallback.\n", &name);

  return default_region ();
}

void
region::do_destroy ()
{
  regions.erase (this);

  attachable::do_destroy ();

  refcnt_dec ();
}

//+GPL

/* 
 * returns 1 if the player is in the region reg, or a child region thereof
 * otherwise returns 0
 * if passed a NULL region returns -1
 */
static int
region_is_child_of_region (const region * child, const region * r)
{
  if (!r)
    return -1;

  if (!child)
    return 0;

  if (child->name == r->name)
    return 1;

  if (child->parent)
    return region_is_child_of_region (child->parent, r);

  return 0;
}

/** Returns an object which is an exit through which the player represented by op should be
 *  sent in order to be imprisoned. If there is no suitable place to which an exit can be 
 *  constructed, then NULL will be returned. The caller is responsible for freeing the object
 *  created by this function.
 */
object *
get_jail_exit (object *op)
{
  if (op->type != PLAYER)
    {
      LOG (llevError, "region.c: get_jail_exit called against non-player object.\n");
      return NULL;
    }

  region *reg = op->region ();
  while (reg)
    {
      if (reg->jailmap)
        {
          object *exit = object::create ();
          EXIT_PATH (exit) = reg->jailmap;
          /* damned exits reset savebed and remove teleports, so the prisoner can't escape */
          SET_FLAG (exit, FLAG_DAMNED);
          EXIT_X (exit) = reg->jailx;
          EXIT_Y (exit) = reg->jaily;
          return exit;
        }
      else
        reg = reg->parent;
    }

  LOG (llevError, "No suitable jailmap for region %s was found.\n", &reg->name);

  return 0;
}

//-GPL

region *
region::read (object_thawer &f)
{
  assert (f.kw == KW_region);

  region *rgn = new region;
  rgn->refcnt_inc ();

  f.get (rgn->name);
  f.next ();

  for (;;)
    {
      switch (f.kw)
        {
          case KW_parent:
            rgn->parent = region::find (f.get_str ());
            break;

          case KW_msg:        f.get_ml (KW_endmsg, rgn->msg); break;
          case KW_longname:   f.get (rgn->longname); break;
          case KW_jail_map:   f.get (rgn->jailmap);  break;
          case KW_jail_x:     f.get (rgn->jailx);    break;
          case KW_jail_y:     f.get (rgn->jaily);    break;
          case KW_portal_map: f.get (rgn->portalmap);break;
          case KW_portal_x:   f.get (rgn->portalx);  break;
          case KW_portal_y:   f.get (rgn->portaly);  break;
          case KW_fallback:   f.get (rgn->fallback); break;
          case KW_chance:     f.get (rgn->treasure_density); break;

          case KW_randomitems:
            rgn->treasure = treasurelist::get (f.get_str ());
            break;

          case KW_end:
            f.next ();

            // cannot use find as that will request the default region
            for_all_regions (old)
              if (old->name == rgn->name)
                {
                  old->destroy ();
                  break;
                }

            // just append
            regions.push_back (rgn);
            return rgn;

          case KW_ERROR:
            rgn->set_key_text (f.kw_str, f.value);
            //fprintf (stderr, "region addkv(%s,%s)\n", f.kw_str, f.value);//D
            break;

          default:
            if (!f.parse_error ("region", rgn->name))
              {
                rgn->destroy ();
                return 0;
              }
            break;
        }

      f.next ();
    }
}

Revision:	1.47
Committed:	Fri Mar 26 00:59:20 2010 UTC (14 years, 2 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.46:	+2 -2 lines
Log Message:	remove bogus 2007 copyright that was added wrongly by the script, update to affero license
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001-2003 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992 Frank Tore Johansen
7	*
8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* the terms of the Affero GNU General Public License as published by the
10	* Free Software Foundation, either version 3 of the License, or (at your
11	* option) any later version.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the Affero GNU General Public License
19	* and the GNU General Public License along with this program. If not, see
20	* <http://www.gnu.org/licenses/>.
21	*
22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/
24
25	#include <global.h>
26	#include <unistd.h>
27
28	regionvec regions;
29
30	region *
31	region::default_region ()
32	{
33	for_all_regions (rgn)
34	if (rgn->fallback)
35	return rgn;
36
37	return regions [0];
38	}
39
40	/*
41	* Pass a char array, returns a pointer to the region of the same name.
42	* if it can't find a region of the same name it returns the first region
43	* with the 'fallback' property set.
44	* if it can't find a matching name /or/ a fallback region it logs an info message
45	* message and returns NULL
46	* used by the map parsing code.
47	*/
48	region *
49	region::find (shstr_cmp name)
50	{
51	for_all_regions (rgn)
52	if (rgn->name == name)
53	return rgn;
54
55	LOG (llevError, "region called %s requested, but not found, using fallback.\n", &name);
56
57	return default_region ();
58	}
59
60	void
61	region::do_destroy ()
62	{
63	regions.erase (this);
64
65	attachable::do_destroy ();
66
67	refcnt_dec ();
68	}
69
70	//+GPL
71
72	/*
73	* returns 1 if the player is in the region reg, or a child region thereof
74	* otherwise returns 0
75	* if passed a NULL region returns -1
76	*/
77	static int
78	region_is_child_of_region (const region * child, const region * r)
79	{
80	if (!r)
81	return -1;
82
83	if (!child)
84	return 0;
85
86	if (child->name == r->name)
87	return 1;
88
89	if (child->parent)
90	return region_is_child_of_region (child->parent, r);
91
92	return 0;
93	}
94
95	/** Returns an object which is an exit through which the player represented by op should be
96	* sent in order to be imprisoned. If there is no suitable place to which an exit can be
97	* constructed, then NULL will be returned. The caller is responsible for freeing the object
98	* created by this function.
99	*/
100	object *
101	get_jail_exit (object *op)
102	{
103	if (op->type != PLAYER)
104	{
105	LOG (llevError, "region.c: get_jail_exit called against non-player object.\n");
106	return NULL;
107	}
108
109	region *reg = op->region ();
110	while (reg)
111	{
112	if (reg->jailmap)
113	{
114	object *exit = object::create ();
115	EXIT_PATH (exit) = reg->jailmap;
116	/* damned exits reset savebed and remove teleports, so the prisoner can't escape */
117	SET_FLAG (exit, FLAG_DAMNED);
118	EXIT_X (exit) = reg->jailx;
119	EXIT_Y (exit) = reg->jaily;
120	return exit;
121	}
122	else
123	reg = reg->parent;
124	}
125
126	LOG (llevError, "No suitable jailmap for region %s was found.\n", &reg->name);
127
128	return 0;
129	}
130
131	//-GPL
132
133	region *
134	region::read (object_thawer &f)
135	{
136	assert (f.kw == KW_region);
137
138	region *rgn = new region;
139	rgn->refcnt_inc ();
140
141	f.get (rgn->name);
142	f.next ();
143
144	for (;;)
145	{
146	switch (f.kw)
147	{
148	case KW_parent:
149	rgn->parent = region::find (f.get_str ());
150	break;
151
152	case KW_msg: f.get_ml (KW_endmsg, rgn->msg); break;
153	case KW_longname: f.get (rgn->longname); break;
154	case KW_jail_map: f.get (rgn->jailmap); break;
155	case KW_jail_x: f.get (rgn->jailx); break;
156	case KW_jail_y: f.get (rgn->jaily); break;
157	case KW_portal_map: f.get (rgn->portalmap);break;
158	case KW_portal_x: f.get (rgn->portalx); break;
159	case KW_portal_y: f.get (rgn->portaly); break;
160	case KW_fallback: f.get (rgn->fallback); break;
161	case KW_chance: f.get (rgn->treasure_density); break;
162
163	case KW_randomitems:
164	rgn->treasure = treasurelist::get (f.get_str ());
165	break;
166
167	case KW_end:
168	f.next ();
169
170	// cannot use find as that will request the default region
171	for_all_regions (old)
172	if (old->name == rgn->name)
173	{
174	old->destroy ();
175	break;
176	}
177
178	// just append
179	regions.push_back (rgn);
180	return rgn;
181
182	case KW_ERROR:
183	rgn->set_key_text (f.kw_str, f.value);
184	//fprintf (stderr, "region addkv(%s,%s)\n", f.kw_str, f.value);//D
185	break;
186
187	default:
188	if (!f.parse_error ("region", rgn->name))
189	{
190	rgn->destroy ();
191	return 0;
192	}
193	break;
194	}
195
196	f.next ();
197	}
198	}
199