| … | |
… | |
| 1991 | * customized, changed states, etc. |
1991 | * customized, changed states, etc. |
| 1992 | */ |
1992 | */ |
| 1993 | int |
1993 | int |
| 1994 | find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop) |
1994 | find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop) |
| 1995 | { |
1995 | { |
|
|
1996 | int altern[SIZEOFFREE]; |
| 1996 | int index = 0, flag; |
1997 | int index = 0, flag; |
| 1997 | int altern[SIZEOFFREE]; |
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|
| 1998 | |
1998 | |
| 1999 | for (int i = start; i < stop; i++) |
1999 | for (int i = start; i < stop; i++) |
| 2000 | { |
2000 | { |
| 2001 | mapxy pos (m, x, y); pos.move (i); |
2001 | mapxy pos (m, x, y); pos.move (i); |
| 2002 | |
2002 | |
| 2003 | if (!pos.normalise ()) |
2003 | if (!pos.normalise ()) |
| 2004 | continue; |
2004 | continue; |
| 2005 | |
2005 | |
| 2006 | mapspace &ms = *pos; |
2006 | mapspace &ms = *pos; |
| 2007 | ms.update (); |
2007 | |
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|
2008 | if (ms.flags () & P_IS_ALIVE) |
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2009 | continue; |
| 2008 | |
2010 | |
| 2009 | /* However, often |
2011 | /* However, often |
| 2010 | * ob doesn't have any move type (when used to place exits) |
2012 | * ob doesn't have any move type (when used to place exits) |
| 2011 | * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. |
2013 | * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. |
| 2012 | */ |
2014 | */ |
| 2013 | if (ob->move_type == 0 && ms.move_block != MOVE_ALL) |
2015 | if (ob->move_type == 0 && ms.move_block != MOVE_ALL) |
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|
2016 | { |
|
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2017 | altern [index++] = i; |
| 2014 | continue; |
2018 | continue; |
|
|
2019 | } |
| 2015 | |
2020 | |
| 2016 | /* Basically, if we find a wall on a space, we cut down the search size. |
2021 | /* Basically, if we find a wall on a space, we cut down the search size. |
| 2017 | * In this way, we won't return spaces that are on another side of a wall. |
2022 | * In this way, we won't return spaces that are on another side of a wall. |
| 2018 | * This mostly work, but it cuts down the search size in all directions - |
2023 | * This mostly work, but it cuts down the search size in all directions - |
| 2019 | * if the space being examined only has a wall to the north and empty |
2024 | * if the space being examined only has a wall to the north and empty |
