/*
* This file is part of Deliantra, the Roguelike Realtime MMORPG.
*
* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
* Copyright (©) 1992,2007 Frank Tore Johansen
*
* Deliantra 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 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 GNU General Public License
* along with this program. If not, see .
*
* The authors can be reached via e-mail to
*/
/* Specials in this file:
included maps */
#include
#include
#include
#define NUM_OF_SPECIAL_TYPES 4
#define NO_SPECIAL 0
#define SPECIAL_SUBMAP 1
#define SPECIAL_FOUNTAIN 2
#define SPECIAL_EXIT 3
#define GLORY_HOLE 1
#define ORC_ZONE 2
#define MINING_ZONE 3
#define NR_OF_HOLE_TYPES 3
/* clear map completely of all !floor objects:
* a rectangular area of xsize, ysize
* is cleared with the top left corner at xstart, ystart
*/
static void
nuke_map_region (maptile *map, char **layout, int xstart, int ystart, int xsize, int ysize)
{
for (int i = xstart; i < xstart + xsize; i++)
for (int j = ystart; j < ystart + ysize; j++)
{
layout[i][j] = 'S';
for (object *tmp = map->at (i, j).bot; tmp; )
if (tmp->flag [FLAG_IS_FLOOR])
tmp = tmp->above;
else
{
object *head = tmp->head_ ();
tmp = tmp->above;
head->destroy ();
}
}
}
/* copy in_map into dest_map at point x,y */
static void
include_map_in_map (maptile *dest_map, maptile *in_map, int x, int y)
{
for (int i = 0; i < in_map->width; i++)
for (int j = 0; j < in_map->height; j++)
for (object *tmp = GET_MAP_OB (in_map, i, j); tmp; tmp = tmp->above)
{
/* don't copy tails: must be dealt with specially. */
if (!tmp->is_head ())
continue;
object *new_ob = tmp->deep_clone ();
if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
add_button_link (new_ob, dest_map, tmp->path_attuned);
dest_map->insert (new_ob, x + i, y + j, 0, INS_NO_MERGE | INS_NO_WALK_ON);
}
}
static int
find_spot_for_submap (maptile *map, char **layout, int *ix, int *iy, int xsize, int ysize)
{
int blocked, i, j;
/* don't even try to place a submap into a map if the big map isn't
sufficiently large. */
if (2 * xsize > map->width || 2 * ysize > map->height)
return 0;
/* search a bit for a completely free spot. */
for (int tries = 0; tries < 20; tries++)
{
blocked = 0;
/* pick a random location in the layout */
i = rmg_rndm (1, map->width - xsize - 2);
j = rmg_rndm (1, map->height - ysize - 2);
for (int l = i; l < i + xsize; l++)
for (int m = j; m < j + ysize; m++)
{
blocked = 1;
break;
}
if (!blocked)
break;
}
/* if we failed, relax the restrictions */
if (blocked)
{ /* failure, try a relaxed placer. */
/* pick a random location in the layout */
for (int tries = 0; tries < 10; tries++)
{
i = rmg_rndm (1, map->width - xsize - 2);
j = rmg_rndm (1, map->height - ysize - 2);
blocked = 0;
for (int l = i; l < i + xsize; l++)
for (int m = j; m < j + ysize; m++)
if (layout[l][m] != '#' && layout[l][m] != 'D' && layout[l][m] != 0)
{
blocked = 1;
break;
}
}
}
if (blocked)
return 0;
*ix = i;
*iy = j;
return 1;
}
static void
place_fountain_with_specials (maptile *map)
{
int ix, iy, i = -1, tries = 0;
maptile *fountain_style = find_style ("/styles/misc", "fountains", -1);
if (!fountain_style)
{
LOG (llevError, "unable to load stylemap /styles/misc fountains\n");
return;
}
object *fountain = archetype::get (shstr_fountain);
object *potion = fountain_style->pick_random_object (rmg_rndm)->clone ();
while (i < 0 && tries < 10)
{
ix = rmg_rndm (map->width - 2) + 1;
iy = rmg_rndm (map->height - 2) + 1;
i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1);
tries++;
}
if (i == -1)
{ /* can't place fountain */
fountain->destroy ();
potion->destroy ();
return;
}
ix += freearr_x[i];
iy += freearr_y[i];
potion->face = fountain->face;
SET_FLAG (potion, FLAG_NO_PICK);
SET_FLAG (potion, FLAG_IDENTIFIED);
potion->name = potion->name_pl = "fountain";
potion->x = ix;
potion->y = iy;
potion->materialname = "adamantium";
fountain->x = ix;
fountain->y = iy;
insert_ob_in_map (fountain, map, NULL, 0);
insert_ob_in_map (potion, map, NULL, 0);
}
static void
place_special_exit (maptile *map, int hole_type, random_map_params *RP)
{
int ix, iy, i = -1;
char buf[16384];
const char *style, *decor, *mon;
maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1);
int g_xsize, g_ysize;
if (!exit_style)
{
LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n");
return;
}
if (!exit_style)
return;
object *the_exit = exit_style->pick_random_object (rmg_rndm)->clone ();
// put an upper bound here, just in case
for (int repeat = 8192; --repeat; )
{
ix = rmg_rndm (1, map->width - 2);
iy = rmg_rndm (1, map->height - 2);
i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1);
if (i >= 0)
{
ix += freearr_x[i];
iy += freearr_y[i];
break;
}
}
the_exit->x = ix;
the_exit->y = iy;
if (!hole_type)
hole_type = rmg_rndm (NR_OF_HOLE_TYPES) + 1;
switch (hole_type)
{
case GLORY_HOLE: /* treasures */
{
g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
style = "onion";
decor = "wealth2";
mon = "none";
break;
}
case ORC_ZONE: /* hole with orcs in it. */
{
g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4;
g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4;
style = "onion";
decor = "wealth2";
mon = "orc";
break;
}
case MINING_ZONE: /* hole with orcs in it. */
{
g_xsize = rmg_rndm (9) + 4 + RP->difficulty / 4;
g_ysize = rmg_rndm (9) + 4 + RP->difficulty / 4;
style = "maze";
decor = "minerals2";
mon = "none";
break;
}
default: /* undefined */
LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type);
return;
break;
}
/* Need to be at least this size, otherwise the load
* code will generate new size values which are too large.
*/
if (g_xsize < MIN_RANDOM_MAP_SIZE) g_xsize = MIN_RANDOM_MAP_SIZE;
if (g_ysize < MIN_RANDOM_MAP_SIZE) g_ysize = MIN_RANDOM_MAP_SIZE;
write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon,
"none", style, decor, "none", RP->exitstyle, 0, 0, 0,
RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level,
RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase);
the_exit->slaying = "/!";
the_exit->msg = buf;
insert_ob_in_map (the_exit, map, NULL, 0);
}
void
place_specials_in_map (maptile *map, char **layout, random_map_params *RP)
{
switch (rmg_rndm (NUM_OF_SPECIAL_TYPES))
{
case SPECIAL_SUBMAP:
{
/* includes a special map into the random map being made. */
maptile *special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
if (!special_map)
break;
int ix, iy; /* map insertion locatons */
if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height))
{
/* First, splatter everything in the dest map at the location */
nuke_map_region (map, layout, ix, iy, special_map->width, special_map->height);
include_map_in_map (map, special_map, ix, iy);
}
}
break;
case SPECIAL_FOUNTAIN:
/* Make a special fountain: an unpickable potion disguised as
a fountain, or rather, colocated with a fountain. */
place_fountain_with_specials (map);
break;
case SPECIAL_EXIT:
/* Make an exit to another random map, e.g. a gloryhole. */
place_special_exit (map, 0, RP);
break;
}
}