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/* |
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* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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* |
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* Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
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* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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* Copyright (©) 2002 Mark Wedel & Crossfire Development Team |
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* Copyright (©) 1992 Frank Tore Johansen |
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* |
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* Deliantra is free software: you can redistribute it and/or modify it under |
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* the terms of the Affero GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the Affero GNU General Public License |
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* and the GNU General Public License along with this program. If not, see |
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* <http://www.gnu.org/licenses/>. |
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* |
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* The authors can be reached via e-mail to <support@deliantra.net> |
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*/ |
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|
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/* Specials in this file: |
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included maps */ |
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|
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#include <global.h> |
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#include <rmg.h> |
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#include <rproto.h> |
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|
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enum { |
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NO_SPECIAL, |
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SPECIAL_SUBMAP, |
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SPECIAL_FOUNTAIN, |
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SPECIAL_EXIT, |
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NUM_OF_SPECIAL_TYPES |
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}; |
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|
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enum { |
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GLORY_HOLE = 1, |
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ORC_ZONE, |
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MINING_ZONE, |
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NR_OF_HOLE_TYPES |
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}; |
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|
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/* clear map completely of all !floor objects: |
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* a rectangular area of xsize, ysize |
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* is cleared with the top left corner at xstart, ystart |
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*/ |
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static void |
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nuke_map_region (maptile *map, layout &maze, int xstart, int ystart, int xsize, int ysize) |
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{ |
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for (int i = xstart; i < xstart + xsize; i++) |
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for (int j = ystart; j < ystart + ysize; j++) |
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{ |
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maze[i][j] = 'S'; |
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|
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for (object *tmp = map->at (i, j).bot; tmp; ) |
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if (tmp->flag [FLAG_IS_FLOOR]) |
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tmp = tmp->above; |
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else |
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{ |
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object *head = tmp->head_ (); |
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tmp = tmp->above; |
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head->destroy (); |
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} |
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} |
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} |
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|
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/* copy in_map into dest_map at point x,y */ |
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static void |
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include_map_in_map (maptile *dest_map, maptile *in_map, int x, int y) |
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{ |
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for (int i = 0; i < in_map->width; i++) |
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for (int j = 0; j < in_map->height; j++) |
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for (object *tmp = GET_MAP_OB (in_map, i, j); tmp; tmp = tmp->above) |
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{ |
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/* don't copy tails: must be dealt with specially. */ |
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if (!tmp->is_head ()) |
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continue; |
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|
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object *new_ob = tmp->deep_clone (); |
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|
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if (tmp->flag [FLAG_IS_LINKED]) |
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new_ob->add_link (dest_map, tmp->find_link ()->id); |
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|
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dest_map->insert (new_ob, x + i, y + j, 0, INS_NO_MERGE | INS_NO_WALK_ON); |
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} |
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} |
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|
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static int |
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find_spot_for_submap (maptile *map, layout &maze, int *ix, int *iy, int xsize, int ysize) |
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{ |
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int blocked, i, j; |
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|
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/* don't even try to place a submap into a map if the big map isn't |
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sufficiently large. */ |
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if (2 * xsize > map->width || 2 * ysize > map->height) |
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return 0; |
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|
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/* search a bit for a completely free spot. */ |
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for (int tries = 0; tries < 20; tries++) |
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{ |
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blocked = 0; |
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|
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/* pick a random location in the maze */ |
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i = rmg_rndm (1, map->width - xsize - 2); |
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j = rmg_rndm (1, map->height - ysize - 2); |
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|
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for (int l = i; l < i + xsize; l++) |
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for (int m = j; m < j + ysize; m++) |
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{ |
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blocked = 1; |
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break; |
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} |
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|
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if (!blocked) |
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break; |
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} |
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|
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/* if we failed, relax the restrictions */ |
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if (blocked) |
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{ /* failure, try a relaxed placer. */ |
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/* pick a random location in the maze */ |
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for (int tries = 0; tries < 10; tries++) |
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{ |
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i = rmg_rndm (1, map->width - xsize - 2); |
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j = rmg_rndm (1, map->height - ysize - 2); |
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|
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blocked = 0; |
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|
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for (int l = i; l < i + xsize; l++) |
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for (int m = j; m < j + ysize; m++) |
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if (maze[l][m] != '#' && maze[l][m] != 'D' && maze[l][m] != 0) |
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{ |
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blocked = 1; |
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break; |
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} |
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} |
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} |
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|
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if (blocked) |
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return 0; |
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|
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*ix = i; |
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*iy = j; |
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|
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return 1; |
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} |
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|
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static void |
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place_fountain_with_specials (maptile *map) |
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{ |
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int ix, iy, i = -1, tries = 0; |
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maptile *fountain_style = find_style ("/styles/misc", "fountains", -1); |
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|
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if (!fountain_style) |
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{ |
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LOG (llevError, "unable to load stylemap /styles/misc fountains\n"); |
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return; |
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} |
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|
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object *fountain = archetype::get (shstr_fountain); |
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object *potion = fountain_style->pick_random_object (rmg_rndm)->clone (); |
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|
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while (i < 0 && tries < 10) |
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{ |
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ix = rmg_rndm (map->width - 2) + 1; |
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iy = rmg_rndm (map->height - 2) + 1; |
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i = rmg_find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1); |
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tries++; |
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} |
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|
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if (i == -1) |
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{ /* can't place fountain */ |
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fountain->destroy (); |
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potion->destroy (); |
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return; |
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} |
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|
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ix += DIRX (i); |
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iy += DIRY (i); |
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potion->face = fountain->face; |
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potion->set_flag (FLAG_NO_PICK); |
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potion->set_flag (FLAG_IDENTIFIED); |
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potion->name = potion->name_pl = shstr_fountain; |
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potion->x = ix; |
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potion->y = iy; |
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potion->material = name_to_material (shstr_adamantium); |
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fountain->x = ix; |
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fountain->y = iy; |
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insert_ob_in_map (fountain, map, NULL, 0); |
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insert_ob_in_map (potion, map, NULL, 0); |
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} |
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|
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static void |
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place_special_exit (maptile *map, int hole_type, random_map_params *RP) |
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{ |
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maptile *exit_style = find_style ("/styles/misc", "obscure_exits", RP->difficulty); |
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if (!exit_style) |
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{ |
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LOG (llevError, "unable to load stylemap /styles/misc obscure_exits\n"); |
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return; |
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} |
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|
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if (!exit_style) |
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return; |
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|
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object *the_exit = exit_style->pick_random_object (rmg_rndm)->clone (); |
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|
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// put an upper bound here, just in case |
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for (int repeat = 8192; --repeat; ) |
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{ |
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int ix = rmg_rndm (1, map->width - 2); |
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int iy = rmg_rndm (1, map->height - 2); |
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|
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int i = rmg_find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1); |
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if (i >= 0) |
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{ |
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the_exit->x = ix + DIRX (i); |
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the_exit->y = iy + DIRY (i); |
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break; |
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} |
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} |
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|
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if (!hole_type) |
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hole_type = rmg_rndm (1, NR_OF_HOLE_TYPES - 1); |
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|
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const char *style, *decor, *mon; |
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int g_xsize, g_ysize; |
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|
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switch (hole_type) |
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{ |
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case GLORY_HOLE: /* treasures */ |
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{ |
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g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4; |
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g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4; |
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style = "onion"; |
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decor = "special_wealth"; |
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mon = "none"; |
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break; |
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} |
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|
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case ORC_ZONE: /* hole with orcs in it. */ |
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{ |
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g_xsize = rmg_rndm (3) + 4 + RP->difficulty / 4; |
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g_ysize = rmg_rndm (3) + 4 + RP->difficulty / 4; |
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style = "onion"; |
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decor = "special_wealth"; |
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mon = "orc"; |
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break; |
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} |
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|
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case MINING_ZONE: /* hole with orcs in it. */ |
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{ |
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g_xsize = rmg_rndm (9) + 4 + RP->difficulty / 4; |
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g_ysize = rmg_rndm (9) + 4 + RP->difficulty / 4; |
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style = "maze"; |
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decor = "minerals2"; |
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mon = "none"; |
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break; |
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} |
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|
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default: /* undefined */ |
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LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type); |
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return; |
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} |
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|
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/* Need to be at least this size, otherwise the load |
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* code will generate new size values which are too large. |
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*/ |
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max_it (g_xsize, MIN_RANDOM_MAP_SIZE); |
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max_it (g_ysize, MIN_RANDOM_MAP_SIZE); |
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|
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dynbuf_text buf; |
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|
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{ |
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random_map_params &rp = *new random_map_params; // for zero_intiialised to work... |
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|
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rp.hv = (HV *)newHV (); |
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|
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rp.xsize = g_xsize; |
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rp.ysize = g_ysize; |
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|
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rp.set ("wallstyle" , RP->get_str ("wallstyle" , 0)); |
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rp.set ("floorstyle" , RP->get_str ("floorstyle", 0)); |
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rp.set ("exitstyle" , RP->get_str ("exitstyle" , 0)); |
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rp.set ("region" , RP->get_str ("region" , 0)); |
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rp.set ("monsterstyle" , mon); |
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rp.set ("treasurestyle", "none"); |
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rp.set ("layoutstyle" , style); |
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rp.set ("decorstyle" , decor); |
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rp.set ("decoroptions" , (IV)-1); |
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rp.set ("symmetry" , (IV)SYMMETRY_NONE); |
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rp.set ("orientation" , (IV)1); |
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rp.set ("random_seed" , RP->get_uv ("random_seed") + 0xdeadbeefU); |
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|
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rp.layoutoptions1 = RMOPT_WALLS_ONLY; |
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rp.dungeon_depth = RP->dungeon_level; |
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rp.dungeon_level = RP->dungeon_level; |
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rp.difficulty = RP->difficulty; |
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rp.difficulty_given = RP->difficulty; |
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rp.difficulty_increase = RP->difficulty_increase; |
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|
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the_exit->slaying = shstr_random_map_exit; |
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the_exit->msg = rp.as_shstr (); |
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|
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delete &rp; |
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} |
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|
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insert_ob_in_map (the_exit, map, NULL, 0); |
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} |
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|
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void |
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place_specials_in_map (maptile *map, layout &maze, random_map_params *RP) |
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{ |
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switch (rmg_rndm (NUM_OF_SPECIAL_TYPES)) // can be NO_SPECIAL as well |
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{ |
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case SPECIAL_SUBMAP: |
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{ |
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/* includes a special map into the random map being made. */ |
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maptile *special_map = find_style ("/styles/specialmaps", 0, RP->difficulty, true); |
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|
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if (!special_map) |
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break; |
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|
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int ix, iy; /* map insertion locatons */ |
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|
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if (find_spot_for_submap (map, maze, &ix, &iy, special_map->width, special_map->height)) |
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{ |
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/* First, splatter everything in the dest map at the location */ |
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nuke_map_region (map, maze, ix, iy, special_map->width, special_map->height); |
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include_map_in_map (map, special_map, ix, iy); |
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} |
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} |
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|
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break; |
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|
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case SPECIAL_FOUNTAIN: |
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/* Make a special fountain: an unpickable potion disguised as |
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a fountain, or rather, colocated with a fountain. */ |
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place_fountain_with_specials (map); |
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break; |
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|
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case SPECIAL_EXIT: |
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/* Make an exit to another random map, e.g. a gloryhole. */ |
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place_special_exit (map, 0, RP); |
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break; |
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} |
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} |
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|