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/* |
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CrossFire, A Multiplayer game for X-windows |
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|
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Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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Copyright (C) 1992 Frank Tore Johansen |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your 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 GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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|
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The authors can be reached via e-mail at <crossfire@schmorp.de> |
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*/ |
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|
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#include <global.h> |
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#include <random_map.h> |
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#include <rproto.h> |
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|
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/* Put in the walls and autojoin them. */ |
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|
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|
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/* given a layout and a coordinate, tell me which squares up/down/right/left |
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are occupied. */ |
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|
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int |
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surround_flag (char **layout, int i, int j, RMParms * RP) |
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{ |
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/* 1 = wall to left, |
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2 = wall to right, |
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4 = wall above |
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8 = wall below */ |
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int surround_index = 0; |
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|
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if ((i > 0) && layout[i - 1][j] != 0) |
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surround_index |= 1; |
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if ((i < RP->Xsize - 1) && layout[i + 1][j] != 0) |
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surround_index |= 2; |
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if ((j > 0) && layout[i][j - 1] != 0) |
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surround_index |= 4; |
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if ((j < RP->Ysize - 1) && layout[i][j + 1] != 0) |
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surround_index |= 8; |
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return surround_index; |
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} |
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|
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|
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/* like surround_flag, but only walls count. |
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*/ |
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|
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int |
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surround_flag2 (char **layout, int i, int j, RMParms * RP) |
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{ |
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/* 1 = wall to left, |
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2 = wall to right, |
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4 = wall above |
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8 = wall below */ |
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int surround_index = 0; |
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|
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if ((i > 0) && layout[i - 1][j] == '#') |
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surround_index |= 1; |
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if ((i < RP->Xsize - 1) && layout[i + 1][j] == '#') |
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surround_index |= 2; |
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if ((j > 0) && layout[i][j - 1] == '#') |
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surround_index |= 4; |
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if ((j < RP->Ysize - 1) && layout[i][j + 1] == '#') |
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surround_index |= 8; |
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return surround_index; |
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} |
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|
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|
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/* like surround_flag, except it checks a map, not a layout. |
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* Since this is part of the random map code, presumption |
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* is that this is not a tiled map. |
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* What is considered blocking and not is somewhat hard coded. |
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*/ |
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int |
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surround_flag3 (maptile *map, sint16 i, sint16 j, RMParms * RP) |
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{ |
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/* |
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* 1 = blocked to left, |
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* 2 = blocked to right, |
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* 4 = blocked above |
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* 8 = blocked below |
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*/ |
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|
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int surround_index = 0; |
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|
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if ((i > 0) && (GET_MAP_MOVE_BLOCK (map, i - 1, j) & ~MOVE_BLOCK_DEFAULT)) |
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surround_index |= 1; |
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if ((i < RP->Xsize - 1) && (GET_MAP_MOVE_BLOCK (map, i + 1, j) & ~MOVE_BLOCK_DEFAULT)) |
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surround_index |= 2; |
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if ((j > 0) && (GET_MAP_MOVE_BLOCK (map, i, j - 1) & ~MOVE_BLOCK_DEFAULT)) |
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surround_index |= 4; |
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if ((j < RP->Ysize - 1) && (GET_MAP_MOVE_BLOCK (map, i, j + 1) & ~MOVE_BLOCK_DEFAULT)) |
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surround_index |= 8; |
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|
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return surround_index; |
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} |
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|
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/* like surround_flag2, except it checks a map, not a layout. */ |
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|
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int |
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surround_flag4 (maptile *map, int i, int j, RMParms * RP) |
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{ |
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/* 1 = blocked to left, |
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2 = blocked to right, |
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4 = blocked above |
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8 = blocked below */ |
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int surround_index = 0; |
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|
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if ((i > 0) && wall_blocked (map, i - 1, j)) |
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surround_index |= 1; |
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if ((i < RP->Xsize - 1) && wall_blocked (map, i + 1, j)) |
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surround_index |= 2; |
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if ((j > 0) && wall_blocked (map, i, j - 1)) |
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surround_index |= 4; |
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if ((j < RP->Ysize - 1) && wall_blocked (map, i, j + 1)) |
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surround_index |= 8; |
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|
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return surround_index; |
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} |
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|
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/* takes a map and a layout, and puts walls in the map (picked from |
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w_style) at '#' marks. */ |
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|
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void |
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make_map_walls (maptile *map, char **layout, char *w_style, RMParms * RP) |
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{ |
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char styledirname[256]; |
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char stylefilepath[256]; |
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maptile *style_map = 0; |
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object *the_wall; |
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|
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/* get the style map */ |
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if (!strcmp (w_style, "none")) |
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return; |
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sprintf (styledirname, "%s", "/styles/wallstyles"); |
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sprintf (stylefilepath, "%s/%s", styledirname, w_style); |
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style_map = find_style (styledirname, w_style, -1); |
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if (style_map == 0) |
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return; |
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|
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/* fill up the map with the given floor style */ |
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if ((the_wall = pick_random_object (style_map)) != NULL) |
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{ |
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int i, j; |
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char *cp; |
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int joinedwalls = 0; |
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object *thiswall; |
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|
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sprintf (RP->wall_name, "%s", &the_wall->arch->name); |
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if ((cp = strchr (RP->wall_name, '_')) != NULL) |
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{ |
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*cp = 0; |
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joinedwalls = 1; |
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} |
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|
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for (i = 0; i < RP->Xsize; i++) |
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for (j = 0; j < RP->Ysize; j++) |
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{ |
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if (layout[i][j] == '#') |
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{ |
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if (joinedwalls) |
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thiswall = pick_joined_wall (the_wall, layout, i, j, RP); |
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else |
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thiswall = arch_to_object (the_wall->arch); |
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thiswall->x = i; |
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thiswall->y = j; |
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thiswall->move_block = MOVE_ALL; |
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insert_ob_in_map (thiswall, map, thiswall, INS_NO_MERGE | INS_NO_WALK_ON); |
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} |
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} |
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} |
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} |
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|
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|
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/* picks the right wall type for this square, to make it look nice, |
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and have everything nicely joined. It uses the layout. */ |
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|
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object * |
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pick_joined_wall (object *the_wall, char **layout, int i, int j, RMParms * RP) |
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{ |
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/* 1 = wall to left, |
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2 = wall to right, |
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4 = wall above |
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8 = wall below */ |
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int surround_index = 0; |
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int l; |
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char wall_name[64]; |
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archetype *wall_arch = 0; |
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|
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strcpy (wall_name, the_wall->arch->name); |
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|
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/* conventionally, walls are named like this: |
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wallname_wallcode, where wallcode indicates |
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a joinedness, and wallname is the wall. |
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this code depends on the convention for |
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finding the right wall. */ |
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|
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/* extract the wall name, which is the text up to the leading _ */ |
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for (l = 0; l < 64; l++) |
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{ |
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if (wall_name[l] == '_') |
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{ |
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wall_name[l] = 0; |
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break; |
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} |
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} |
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|
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surround_index = surround_flag2 (layout, i, j, RP); |
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|
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switch (surround_index) |
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{ |
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case 0: |
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strcat (wall_name, "_0"); |
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break; |
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case 1: |
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strcat (wall_name, "_1_3"); |
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break; |
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case 2: |
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strcat (wall_name, "_1_4"); |
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break; |
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case 3: |
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strcat (wall_name, "_2_1_2"); |
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break; |
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case 4: |
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strcat (wall_name, "_1_2"); |
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break; |
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case 5: |
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strcat (wall_name, "_2_2_4"); |
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break; |
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case 6: |
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strcat (wall_name, "_2_2_1"); |
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break; |
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case 7: |
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strcat (wall_name, "_3_1"); |
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break; |
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case 8: |
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strcat (wall_name, "_1_1"); |
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break; |
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case 9: |
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strcat (wall_name, "_2_2_3"); |
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break; |
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case 10: |
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strcat (wall_name, "_2_2_2"); |
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break; |
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case 11: |
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strcat (wall_name, "_3_3"); |
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break; |
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case 12: |
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strcat (wall_name, "_2_1_1"); |
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break; |
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case 13: |
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strcat (wall_name, "_3_4"); |
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break; |
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case 14: |
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strcat (wall_name, "_3_2"); |
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break; |
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case 15: |
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strcat (wall_name, "_4"); |
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break; |
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} |
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wall_arch = archetype::find (wall_name); |
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if (wall_arch) |
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return arch_to_object (wall_arch); |
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else |
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{ |
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nroferrors--; |
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return arch_to_object (the_wall->arch); |
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} |
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|
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|
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} |
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|
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|
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/* this takes a map, and changes an existing wall to match what's blocked |
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* around it, counting only doors and walls as blocked. If insert_flag is |
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* 1, it will go ahead and insert the wall into the map. If not, it |
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* will only return the wall which would belong there, and doesn't |
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* remove anything. It depends on the |
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* global, previously-set variable, "wall_name" |
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*/ |
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|
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object * |
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retrofit_joined_wall (maptile *the_map, int i, int j, int insert_flag, RMParms * RP) |
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{ |
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/* 1 = wall to left, |
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* 2 = wall to right, |
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* 4 = wall above |
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* 8 = wall below |
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*/ |
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int surround_index = 0; |
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int l; |
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object *the_wall = 0; |
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object *new_wall = 0; |
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archetype *wall_arch = 0; |
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|
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/* first find the wall */ |
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for (the_wall = GET_MAP_OB (the_map, i, j); the_wall != NULL; the_wall = the_wall->above) |
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if ((the_wall->move_type & MOVE_WALK) && the_wall->type != EXIT && the_wall->type != TELEPORTER) |
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break; |
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|
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|
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/* if what we found is a door, don't remove it, set the_wall to NULL to |
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* signal that later. |
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*/ |
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if (the_wall && (the_wall->type == DOOR || the_wall->type == LOCKED_DOOR)) |
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{ |
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the_wall = NULL; |
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/* if we're not supposed to insert a new wall where there wasn't one, |
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* we've gotta leave. |
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*/ |
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if (insert_flag == 0) |
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return 0; |
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} |
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else if (the_wall == NULL) |
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return NULL; |
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|
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/* canonicalize the wall name */ |
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for (l = 0; l < 64; l++) |
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{ |
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if (RP->wall_name[l] == '_') |
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{ |
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RP->wall_name[l] = 0; |
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break; |
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} |
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} |
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|
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surround_index = surround_flag4 (the_map, i, j, RP); |
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/* This would be a lot cleaner to just us a lookup table, |
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* eg, wall_suffix[surround_index] |
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*/ |
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switch (surround_index) |
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{ |
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case 0: |
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strcat (RP->wall_name, "_0"); |
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break; |
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case 1: |
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strcat (RP->wall_name, "_1_3"); |
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break; |
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case 2: |
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strcat (RP->wall_name, "_1_4"); |
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break; |
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case 3: |
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strcat (RP->wall_name, "_2_1_2"); |
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break; |
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case 4: |
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strcat (RP->wall_name, "_1_2"); |
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break; |
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case 5: |
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strcat (RP->wall_name, "_2_2_4"); |
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break; |
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case 6: |
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strcat (RP->wall_name, "_2_2_1"); |
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break; |
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case 7: |
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strcat (RP->wall_name, "_3_1"); |
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break; |
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case 8: |
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strcat (RP->wall_name, "_1_1"); |
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break; |
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case 9: |
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strcat (RP->wall_name, "_2_2_3"); |
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break; |
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case 10: |
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strcat (RP->wall_name, "_2_2_2"); |
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break; |
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case 11: |
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strcat (RP->wall_name, "_3_3"); |
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break; |
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case 12: |
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strcat (RP->wall_name, "_2_1_1"); |
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break; |
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case 13: |
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strcat (RP->wall_name, "_3_4"); |
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break; |
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case 14: |
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strcat (RP->wall_name, "_3_2"); |
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break; |
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case 15: |
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strcat (RP->wall_name, "_4"); |
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break; |
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} |
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wall_arch = archetype::find (RP->wall_name); |
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if (wall_arch != NULL) |
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{ |
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new_wall = arch_to_object (wall_arch); |
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new_wall->x = i; |
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new_wall->y = j; |
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if (the_wall && the_wall->map) |
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{ |
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the_wall->remove (); |
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the_wall->destroy (); |
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} |
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the_wall->move_block = MOVE_ALL; |
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insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE | INS_NO_WALK_ON); |
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} |
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else |
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nroferrors--; /* it's OK not to find an arch. */ |
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return new_wall; |
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} |
