server/random_maps/monster.C

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2002 Mark Wedel & Crossfire Development Team
    Copyright (C) 1992 Frank Tore Johansen

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

    The authors can be reached via e-mail at <crossfire@schmorp.de>
*/

#include <global.h>
#include <random_map.h>
#include <rproto.h>

/* some monsters are multisquare, and these guys require special
        handling. */

void
insert_multisquare_ob_in_map (object *new_obj, maptile *map)
{
  int x, y;
  archetype *at;
  object *old_seg;
  object *head;

  /* first insert the head */
  insert_ob_in_map (new_obj, map, new_obj, INS_NO_MERGE | INS_NO_WALK_ON);

  x = new_obj->x;
  y = new_obj->y;
  old_seg = new_obj;
  head = new_obj;

  for (at = new_obj->arch->more; at != NULL; at = at->more)
    {
      object *new_seg;

      new_seg = arch_to_object (at);
      new_seg->x = x + at->clone.x;
      new_seg->y = y + at->clone.y;
      new_seg->map = old_seg->map;
      insert_ob_in_map (new_seg, new_seg->map, new_seg, INS_NO_MERGE | INS_NO_WALK_ON);
      new_seg->head = head;
      old_seg->more = new_seg;
      old_seg = new_seg;
    }

  old_seg->more = NULL;
}

/*  place some monsters into the map. */
void
place_monsters (maptile *map, char *monsterstyle, int difficulty, random_map_params * RP)
{
  char styledirname[256];
  maptile *style_map = 0;
  int failed_placements;
  sint64 exp_per_sq, total_experience;
  int number_monsters = 0;
  archetype *at;

  sprintf (styledirname, "%s", "/styles/monsterstyles");
  style_map = find_style (styledirname, monsterstyle, difficulty);
  if (style_map == 0)
    return;

  /* fill up the map with random monsters from the monster style */

  total_experience = 0;
  failed_placements = 0;
  exp_per_sq = 0;
  while (exp_per_sq <= level_exp (difficulty, 1.0) && failed_placements < 100 && number_monsters < (RP->Xsize * RP->Ysize) / 8)
    {
      object *this_monster = pick_random_object (style_map);
      int x, y, freeindex;

      if (this_monster == NULL)
        return;                 /* no monster?? */
      x = RANDOM () % RP->Xsize;
      y = RANDOM () % RP->Ysize;
      freeindex = find_first_free_spot (this_monster, map, x, y);
      if (freeindex != -1)
        {
          object *new_monster = arch_to_object (this_monster->arch);

          x += freearr_x[freeindex];
          y += freearr_y[freeindex];
          copy_object_with_inv (this_monster, new_monster);
          new_monster->x = x;
          new_monster->y = y;
          insert_multisquare_ob_in_map (new_monster, map);
          total_experience += this_monster->stats.exp;
          for (at = new_monster->arch; at != NULL; at = at->more)
            number_monsters++;
          RP->total_map_hp += new_monster->stats.hp;    /*  a global count */
        }
      else
        failed_placements++;

      exp_per_sq = (sint64) (((double) 1000 * total_experience) / (map->width * map->height + 1));
    }
}
Revision:	1.8
Committed:	Sun Dec 31 17:17:23 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.7:	+4 -6 lines
Log Message:	many minor changes everywhere, random maps crash sometimes but design is in place
#	Content
1	/*
2	CrossFire, A Multiplayer game for X-windows
3
4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen
6
7	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or
10	(at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/
23
24	#include <global.h>
25	#include <random_map.h>
26	#include <rproto.h>
27
28	/* some monsters are multisquare, and these guys require special
29	handling. */
30
31	void
32	insert_multisquare_ob_in_map (object new_obj, maptile map)
33	{
34	int x, y;
35	archetype *at;
36	object *old_seg;
37	object *head;
38
39	/* first insert the head */
40	insert_ob_in_map (new_obj, map, new_obj, INS_NO_MERGE \| INS_NO_WALK_ON);
41
42	x = new_obj->x;
43	y = new_obj->y;
44	old_seg = new_obj;
45	head = new_obj;
46
47	for (at = new_obj->arch->more; at != NULL; at = at->more)
48	{
49	object *new_seg;
50
51	new_seg = arch_to_object (at);
52	new_seg->x = x + at->clone.x;
53	new_seg->y = y + at->clone.y;
54	new_seg->map = old_seg->map;
55	insert_ob_in_map (new_seg, new_seg->map, new_seg, INS_NO_MERGE \| INS_NO_WALK_ON);
56	new_seg->head = head;
57	old_seg->more = new_seg;
58	old_seg = new_seg;
59	}
60
61	old_seg->more = NULL;
62	}
63
64	/* place some monsters into the map. */
65	void
66	place_monsters (maptile map, char monsterstyle, int difficulty, random_map_params * RP)
67	{
68	char styledirname[256];
69	maptile *style_map = 0;
70	int failed_placements;
71	sint64 exp_per_sq, total_experience;
72	int number_monsters = 0;
73	archetype *at;
74
75	sprintf (styledirname, "%s", "/styles/monsterstyles");
76	style_map = find_style (styledirname, monsterstyle, difficulty);
77	if (style_map == 0)
78	return;
79
80	/* fill up the map with random monsters from the monster style */
81
82	total_experience = 0;
83	failed_placements = 0;
84	exp_per_sq = 0;
85	while (exp_per_sq <= level_exp (difficulty, 1.0) && failed_placements < 100 && number_monsters < (RP->Xsize * RP->Ysize) / 8)
86	{
87	object *this_monster = pick_random_object (style_map);
88	int x, y, freeindex;
89
90	if (this_monster == NULL)
91	return; /* no monster?? */
92	x = RANDOM () % RP->Xsize;
93	y = RANDOM () % RP->Ysize;
94	freeindex = find_first_free_spot (this_monster, map, x, y);
95	if (freeindex != -1)
96	{
97	object *new_monster = arch_to_object (this_monster->arch);
98
99	x += freearr_x[freeindex];
100	y += freearr_y[freeindex];
101	copy_object_with_inv (this_monster, new_monster);
102	new_monster->x = x;
103	new_monster->y = y;
104	insert_multisquare_ob_in_map (new_monster, map);
105	total_experience += this_monster->stats.exp;
106	for (at = new_monster->arch; at != NULL; at = at->more)
107	number_monsters++;
108	RP->total_map_hp += new_monster->stats.hp; /* a global count */
109	}
110	else
111	failed_placements++;
112
113	exp_per_sq = (sint64) (((double) 1000 * total_experience) / (map->width * map->height + 1));
114	}
115	}