/*
* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
*
* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
* Copyright (©) 1992,2007 Frank Tore Johansen
*
* Crossfire TRT 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 objects: a rectangular area of xsize, ysize
is cleared with the top left corner at xstart, ystart */
void
nuke_map_region (maptile *map, int xstart, int ystart, int xsize, int ysize)
{
int i, j;
object *tmp;
for (i = xstart; i < xstart + xsize; i++)
for (j = ystart; j < ystart + ysize; j++)
{
for (tmp = GET_MAP_OB (map, i, j); tmp != NULL; tmp = tmp->above)
{
if (!QUERY_FLAG (tmp, FLAG_IS_FLOOR))
{
if (tmp->head)
tmp = tmp->head;
tmp->remove ();
tmp->destroy ();
tmp = GET_MAP_OB (map, i, j);
}
if (tmp == NULL)
break;
}
}
}
/* copy in_map into dest_map at point x,y */
void
include_map_in_map (maptile *dest_map, maptile *in_map, int x, int y)
{
int i, j;
object *tmp;
object *new_ob;
/* First, splatter everything in the dest map at the location */
nuke_map_region (dest_map, x, y, in_map->width, in_map->height);
for (i = 0; i < in_map->width; i++)
for (j = 0; j < in_map->height; j++)
{
for (tmp = GET_MAP_OB (in_map, i, j); tmp != NULL; tmp = tmp->above)
{
/* don't copy things with multiple squares: must be dealt with
specially. */
if (tmp->head != NULL)
continue;
new_ob = arch_to_object (tmp->arch);
copy_object_with_inv (tmp, new_ob);
if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
add_button_link (new_ob, dest_map, tmp->path_attuned);
new_ob->x = i + x;
new_ob->y = j + y;
insert_multisquare_ob_in_map (new_ob, dest_map);
}
}
}
int
find_spot_for_submap (maptile *map, char **layout, int *ix, int *iy, int xsize, int ysize)
{
int tries;
int i = 0, j = 0; /* initialization may not be needed but prevents compiler warnings */
int is_occupied = 0;
int l, m;
/* 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 (tries = 0; tries < 20; tries++)
{
/* pick a random location in the layout */
i = rndm (map->width - xsize - 2) + 1;
j = rndm (map->height - ysize - 2) + 1;
is_occupied = 0;
for (l = i; l < i + xsize; l++)
for (m = j; m < j + ysize; m++)
is_occupied |= layout[l][m];
if (!is_occupied)
break;
}
/* if we failed, relax the restrictions */
if (is_occupied)
{ /* failure, try a relaxed placer. */
/* pick a random location in the layout */
for (tries = 0; tries < 10; tries++)
{
i = rndm (map->width - xsize - 2) + 1;
j = rndm (map->height - ysize - 2) + 1;
is_occupied = 0;
for (l = i; l < i + xsize; l++)
for (m = j; m < j + ysize; m++)
if (layout[l][m] == 'C' || layout[l][m] == '>' || layout[l][m] == '<')
is_occupied |= 1;
}
}
if (is_occupied)
return 0;
*ix = i;
*iy = j;
return 1;
}
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 = get_archetype ("fountain");
object *potion = object::create ();
fountain_style->pick_random_object ()->copy_to (potion);
while (i < 0 && tries < 10)
{
ix = rndm (map->width - 2) + 1;
iy = 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);
}
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, "unabel to load stylemap /styles/misc obscure_exits\n");
return;
}
object *the_exit = object::create ();
if (!exit_style)
return;
exit_style->pick_random_object ()->copy_to (the_exit);
// put an upper bound here, just in case
for (int repeat = 8192; --repeat; )
{
ix = rndm (map->width - 2) + 1;
iy = rndm (map->height - 2) + 1;
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 = rndm (NR_OF_HOLE_TYPES) + 1;
switch (hole_type)
{
case GLORY_HOLE: /* treasures */
{
g_xsize = rndm (3) + 4 + RP->difficulty / 4;
g_ysize = rndm (3) + 4 + RP->difficulty / 4;
style = "onion";
decor = "wealth2";
mon = "none";
break;
}
case ORC_ZONE: /* hole with orcs in it. */
{
g_xsize = rndm (3) + 4 + RP->difficulty / 4;
g_ysize = rndm (3) + 4 + RP->difficulty / 4;
style = "onion";
decor = "wealth2";
mon = "orc";
break;
}
case MINING_ZONE: /* hole with orcs in it. */
{
g_xsize = rndm (9) + 4 + RP->difficulty / 4;
g_ysize = 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)
{
maptile *special_map;
int ix, iy; /* map insertion locatons */
int special_type; /* type of special to make */
special_type = rndm (NUM_OF_SPECIAL_TYPES);
switch (special_type)
{
case SPECIAL_SUBMAP:
/* includes a special map into the random map being made. */
special_map = find_style ("/styles/specialmaps", 0, RP->difficulty);
if (!special_map)
return;
if (find_spot_for_submap (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;
}
}