1 | /* |
1 | /* |
2 | * static char *rcsid_map_c = |
2 | * static char *rcsid_map_c = |
3 | * "$Id: map.c,v 1.1.1.2 2006/02/22 18:01:21 elmex Exp $"; |
3 | * "$Id: map.c,v 1.11 2006/05/12 23:42:59 root Exp $"; |
4 | */ |
4 | */ |
5 | |
5 | |
6 | /* |
6 | /* |
7 | CrossFire, A Multiplayer game for X-windows |
7 | CrossFire, A Multiplayer game for X-windows |
8 | |
8 | |
… | |
… | |
38 | #include "path.h" |
38 | #include "path.h" |
39 | |
39 | |
40 | |
40 | |
41 | extern int nrofallocobjects,nroffreeobjects; |
41 | extern int nrofallocobjects,nroffreeobjects; |
42 | |
42 | |
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43 | void (*load_original_map_callback)(mapstruct *map); |
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44 | void (*load_temporary_map_callback)(mapstruct *map); |
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45 | void (*clean_temporary_map_callback)(mapstruct *map); |
43 | |
46 | |
44 | /* |
47 | /* |
45 | * Returns the mapstruct which has a name matching the given argument. |
48 | * Returns the mapstruct which has a name matching the given argument. |
46 | * return NULL if no match is found. |
49 | * return NULL if no match is found. |
47 | */ |
50 | */ |
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587 | * and we only save the head of multi part objects - this is needed |
590 | * and we only save the head of multi part objects - this is needed |
588 | * in order to do map tiling properly. |
591 | * in order to do map tiling properly. |
589 | */ |
592 | */ |
590 | void save_objects (mapstruct *m, FILE *fp, FILE *fp2, int flag) { |
593 | void save_objects (mapstruct *m, FILE *fp, FILE *fp2, int flag) { |
591 | int i, j = 0,unique=0; |
594 | int i, j = 0,unique=0; |
592 | object *op, *otmp; |
595 | object *op; |
593 | /* first pass - save one-part objects */ |
596 | /* first pass - save one-part objects */ |
594 | for(i = 0; i < MAP_WIDTH(m); i++) |
597 | for(i = 0; i < MAP_WIDTH(m); i++) |
595 | for (j = 0; j < MAP_HEIGHT(m); j++) { |
598 | for (j = 0; j < MAP_HEIGHT(m); j++) { |
596 | unique=0; |
599 | unique=0; |
597 | for(op = get_map_ob (m, i, j); op; op = otmp) { |
600 | for(op = get_map_ob (m, i, j); op; op = op->above) { |
598 | otmp = op->above; |
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599 | |
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600 | if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) |
601 | if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) |
601 | unique=1; |
602 | unique=1; |
602 | |
603 | |
603 | if(op->type == PLAYER) { |
604 | if(op->type == PLAYER) { |
604 | LOG(llevDebug, "Player on map that is being saved\n"); |
605 | LOG(llevDebug, "Player on map that is being saved\n"); |
… | |
… | |
676 | |
677 | |
677 | if(m->spaces==NULL) |
678 | if(m->spaces==NULL) |
678 | fatal(OUT_OF_MEMORY); |
679 | fatal(OUT_OF_MEMORY); |
679 | } |
680 | } |
680 | |
681 | |
681 | /* Creatures and returns a map of the specific size. Used |
682 | /* Create and returns a map of the specific size. Used |
682 | * in random map code and the editor. |
683 | * in random map code and the editor. |
683 | */ |
684 | */ |
684 | mapstruct *get_empty_map(int sizex, int sizey) { |
685 | mapstruct *get_empty_map(int sizex, int sizey) { |
685 | mapstruct *m = get_linked_map(); |
686 | mapstruct *m = get_linked_map(); |
686 | m->width = sizex; |
687 | m->width = sizex; |
… | |
… | |
702 | int i=0, number_of_entries=0; |
703 | int i=0, number_of_entries=0; |
703 | const typedata *current_type; |
704 | const typedata *current_type; |
704 | |
705 | |
705 | shop_string=strdup_local(input_string); |
706 | shop_string=strdup_local(input_string); |
706 | p=shop_string; |
707 | p=shop_string; |
707 | LOG(llevDebug, "parsing %s\n", input_string); |
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708 | /* first we'll count the entries, we'll need that for allocating the array shortly */ |
708 | /* first we'll count the entries, we'll need that for allocating the array shortly */ |
709 | while (p) { |
709 | while (p) { |
710 | p=strchr(p, ';'); |
710 | p=strchr(p, ';'); |
711 | number_of_entries++; |
711 | number_of_entries++; |
712 | if (p) p++; |
712 | if (p) p++; |
… | |
… | |
1049 | close_and_delete(fp, comp); |
1049 | close_and_delete(fp, comp); |
1050 | m->in_memory=MAP_IN_MEMORY; |
1050 | m->in_memory=MAP_IN_MEMORY; |
1051 | if (!MAP_DIFFICULTY(m)) |
1051 | if (!MAP_DIFFICULTY(m)) |
1052 | MAP_DIFFICULTY(m)=calculate_difficulty(m); |
1052 | MAP_DIFFICULTY(m)=calculate_difficulty(m); |
1053 | set_map_reset_time(m); |
1053 | set_map_reset_time(m); |
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1054 | if (load_original_map_callback) |
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1055 | load_original_map_callback(m); |
1054 | return (m); |
1056 | return (m); |
1055 | } |
1057 | } |
1056 | |
1058 | |
1057 | /* |
1059 | /* |
1058 | * Loads a map, which has been loaded earlier, from file. |
1060 | * Loads a map, which has been loaded earlier, from file. |
… | |
… | |
1098 | |
1100 | |
1099 | m->in_memory=MAP_LOADING; |
1101 | m->in_memory=MAP_LOADING; |
1100 | load_objects (m, fp, 0); |
1102 | load_objects (m, fp, 0); |
1101 | close_and_delete(fp, comp); |
1103 | close_and_delete(fp, comp); |
1102 | m->in_memory=MAP_IN_MEMORY; |
1104 | m->in_memory=MAP_IN_MEMORY; |
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1105 | if (load_temporary_map_callback) |
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1106 | load_temporary_map_callback(m); |
1103 | return m; |
1107 | return m; |
1104 | } |
1108 | } |
1105 | |
1109 | |
1106 | /* |
1110 | /* |
1107 | * Loads a map, which has been loaded earlier, from file. |
1111 | * Loads a map, which has been loaded earlier, from file. |
… | |
… | |
1143 | *****************************************************************************/ |
1147 | *****************************************************************************/ |
1144 | |
1148 | |
1145 | /* This goes through map 'm' and removed any unique items on the map. */ |
1149 | /* This goes through map 'm' and removed any unique items on the map. */ |
1146 | static void delete_unique_items(mapstruct *m) |
1150 | static void delete_unique_items(mapstruct *m) |
1147 | { |
1151 | { |
1148 | int i,j,unique=0; |
1152 | int i,j,unique; |
1149 | object *op, *next; |
1153 | object *op, *next; |
1150 | |
1154 | |
1151 | for(i=0; i<MAP_WIDTH(m); i++) |
1155 | for(i=0; i<MAP_WIDTH(m); i++) |
1152 | for(j=0; j<MAP_HEIGHT(m); j++) { |
1156 | for(j=0; j<MAP_HEIGHT(m); j++) { |
1153 | unique=0; |
1157 | unique=0; |
… | |
… | |
1657 | } |
1661 | } |
1658 | |
1662 | |
1659 | void clean_tmp_map(mapstruct *m) { |
1663 | void clean_tmp_map(mapstruct *m) { |
1660 | if(m->tmpname == NULL) |
1664 | if(m->tmpname == NULL) |
1661 | return; |
1665 | return; |
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1666 | if (clean_temporary_map_callback) |
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1667 | clean_temporary_map_callback (m); |
1662 | (void) unlink(m->tmpname); |
1668 | (void) unlink(m->tmpname); |
1663 | } |
1669 | } |
1664 | |
1670 | |
1665 | void free_all_maps(void) |
1671 | void free_all_maps(void) |
1666 | { |
1672 | { |
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1694 | return 0; |
1700 | return 0; |
1695 | } |
1701 | } |
1696 | |
1702 | |
1697 | /* inform all players on the map */ |
1703 | /* inform all players on the map */ |
1698 | if (change>0) |
1704 | if (change>0) |
1699 | new_info_map(NDI_BLACK, m,"It becomes darker."); |
1705 | new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); |
1700 | else |
1706 | else |
1701 | new_info_map(NDI_BLACK, m,"It becomes brighter."); |
1707 | new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); |
1702 | |
1708 | |
1703 | /* Do extra checking. since m->darkness is a unsigned value, |
1709 | /* Do extra checking. since m->darkness is a unsigned value, |
1704 | * we need to be extra careful about negative values. |
1710 | * we need to be extra careful about negative values. |
1705 | * In general, the checks below are only needed if change |
1711 | * In general, the checks below are only needed if change |
1706 | * is not +/-1 |
1712 | * is not +/-1 |
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1951 | * case. This generally shouldn't happen, but if the |
1957 | * case. This generally shouldn't happen, but if the |
1952 | * map loads fail below, it could happen. |
1958 | * map loads fail below, it could happen. |
1953 | */ |
1959 | */ |
1954 | if (!m) return 0; |
1960 | if (!m) return 0; |
1955 | |
1961 | |
1956 | /* Simple case - coordinates are within this local |
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1957 | * map. |
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1958 | */ |
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1959 | if ( x>=0 && x<MAP_WIDTH(m) && y>=0 && y < MAP_HEIGHT(m)) |
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1960 | return 0; |
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1961 | |
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1962 | if (x<0) { |
1962 | if (x<0) { |
1963 | if (!m->tile_path[3]) return 1; |
1963 | if (!m->tile_path[3]) return 1; |
1964 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) { |
1964 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) { |
1965 | load_and_link_tiled_map(m, 3); |
1965 | load_and_link_tiled_map(m, 3); |
1966 | } |
1966 | } |
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1985 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) { |
1985 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) { |
1986 | load_and_link_tiled_map(m, 2); |
1986 | load_and_link_tiled_map(m, 2); |
1987 | } |
1987 | } |
1988 | return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m))); |
1988 | return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m))); |
1989 | } |
1989 | } |
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1990 | |
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1991 | /* Simple case - coordinates are within this local |
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1992 | * map. |
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1993 | */ |
1990 | return 1; |
1994 | return 0; |
1991 | } |
1995 | } |
1992 | |
1996 | |
1993 | /* This is basically the same as out_of_map above, but |
1997 | /* This is basically the same as out_of_map above, but |
1994 | * instead we return NULL if no map is valid (coordinates |
1998 | * instead we return NULL if no map is valid (coordinates |
1995 | * out of bounds and no tiled map), otherwise it returns |
1999 | * out of bounds and no tiled map), otherwise it returns |
… | |
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1999 | * and then figuring out what the real map is |
2003 | * and then figuring out what the real map is |
2000 | */ |
2004 | */ |
2001 | mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) |
2005 | mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) |
2002 | { |
2006 | { |
2003 | |
2007 | |
2004 | /* Simple case - coordinates are within this local |
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2005 | * map. |
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2006 | */ |
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2007 | |
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2008 | if (*x>=0 && *x<MAP_WIDTH(m) && *y>=0 && *y < MAP_HEIGHT(m)) |
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2009 | return m; |
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2010 | |
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2011 | if (*x<0) { |
2008 | if (*x<0) { |
2012 | if (!m->tile_path[3]) return NULL; |
2009 | if (!m->tile_path[3]) return NULL; |
2013 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
2010 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
2014 | load_and_link_tiled_map(m, 3); |
2011 | load_and_link_tiled_map(m, 3); |
2015 | |
2012 | |
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2038 | load_and_link_tiled_map(m, 2); |
2035 | load_and_link_tiled_map(m, 2); |
2039 | |
2036 | |
2040 | *y -= MAP_HEIGHT(m); |
2037 | *y -= MAP_HEIGHT(m); |
2041 | return (get_map_from_coord(m->tile_map[2], x, y)); |
2038 | return (get_map_from_coord(m->tile_map[2], x, y)); |
2042 | } |
2039 | } |
2043 | return NULL; /* Shouldn't get here */ |
2040 | |
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2041 | /* Simple case - coordinates are within this local |
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2042 | * map. |
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2043 | */ |
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2044 | |
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2045 | return m; |
2044 | } |
2046 | } |
2045 | |
2047 | |
2046 | /** |
2048 | /** |
2047 | * Return whether map2 is adjacent to map1. If so, store the distance from |
2049 | * Return whether map2 is adjacent to map1. If so, store the distance from |
2048 | * map1 to map2 in dx/dy. |
2050 | * map1 to map2 in dx/dy. |