X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_objects.c;h=43406947afecebd8e1d838d8fe1ccff80e1b6396;hb=81eaa1110b9721b7e7167dcb49bd1077d7b3f016;hp=2fb6b80ca5dc777d6873924a5920ea5a41f8fe05;hpb=566ddf894142085e3f0208a08fa36ccce6d6a6ea;p=plomrogue diff --git a/src/map_objects.c b/src/map_objects.c index 2fb6b80..4340694 100644 --- a/src/map_objects.c +++ b/src/map_objects.c @@ -18,6 +18,16 @@ static struct MapObj * get_next_map_obj(void * start, char * first, +/* Map-object-type-specific helpers to (build|write|read)_map_objects(). */ +static void build_map_objects_itemdata(struct MapObjDef * map_obj_def, + void * start); +static void build_map_objects_monsterdata(struct MapObjDef * map_obj_def, + void * start); +static void write_map_objects_monsterdata(void * start, FILE * file); +static void read_map_objects_monsterdata( void * start, FILE * file); + + + static struct MapObj * get_next_map_obj(void * start, char * first, size_t size, struct MapObj * map_obj) { @@ -38,29 +48,64 @@ static struct MapObj * get_next_map_obj(void * start, char * first, +static void build_map_objects_itemdata(struct MapObjDef * map_obj_def, + void * start) +{ + struct Item * i = (struct Item *) start; + i->map_obj.type = map_obj_def->id; +} + + + +static void build_map_objects_monsterdata(struct MapObjDef * map_obj_def, + void * start) +{ + struct Monster * m = (struct Monster *) start; + m->map_obj.type = map_obj_def->id; + struct MonsterDef * md = (struct MonsterDef *) map_obj_def; + m->hitpoints = md->hitpoints_start; +} + + + +static void write_map_objects_monsterdata(void * start, FILE * file) +{ + struct Monster * m = (struct Monster *) start; + fputc(m->hitpoints, file); +} + + + +static void read_map_objects_monsterdata (void * start, FILE * file) +{ + struct Monster * m = (struct Monster *) start; + m->hitpoints = fgetc(file); +} + + + extern void init_map_object_defs(struct World * world, char * filename) { - world->item_def = 0; + world->item_def = 0; world->monster_def = 0; - FILE * file = fopen(filename, "r"); - uint16_t linemax; + FILE * file = fopen(filename, "r"); + uint16_t linemax; textfile_sizes (file, &linemax, NULL); - struct MapObjDef mod; - struct ItemDef id; - struct MonsterDef md; + struct MapObjDef mod; + struct ItemDef id; + struct MonsterDef md; struct ItemDef * * p_p_id = &world->item_def; struct MonsterDef * * p_p_md = &world->monster_def; - char * defline = malloc(linemax); - char * line_p; - char m_or_i; + char * defline = malloc(linemax); + char * line_p; while (fgets(defline, linemax, file)) { mod.next = 0; mod.id = atoi(defline); line_p = strchr(defline, ' ') + 1; - m_or_i = * line_p; + mod.m_or_i = * line_p; mod.mapchar = * (line_p + 2); - if ('i' == m_or_i) + if ('i' == mod.m_or_i) { line_p = line_p + 5; } @@ -71,7 +116,7 @@ extern void init_map_object_defs(struct World * world, char * filename) } mod.desc = calloc (strlen (line_p), sizeof(char)); memcpy (mod.desc, line_p, strlen(line_p) - 1); - if ('i' == m_or_i) + if ('i' == mod.m_or_i) { id.map_obj_def = mod; * p_p_id = malloc(sizeof(struct ItemDef)); @@ -92,18 +137,19 @@ extern void init_map_object_defs(struct World * world, char * filename) -extern void write_map_objects(void * start, FILE * file, - void (* w_typedata) (void *, FILE *) ) +extern void write_map_objects(struct World * world, void * start, FILE * file) { struct MapObj * map_obj; + struct MapObjDef * mod; for (map_obj = start; map_obj != 0; map_obj = map_obj->next) { + fputc(map_obj->type, file); write_uint16_bigendian(map_obj->pos.y + 1, file); write_uint16_bigendian(map_obj->pos.x + 1, file); - fputc(map_obj->type, file); - if (w_typedata) + mod = get_map_obj_def(world, map_obj->type); + if ('m' == mod->m_or_i) { - w_typedata (map_obj, file); + write_map_objects_monsterdata(map_obj, file); } } write_uint16_bigendian(0, file); @@ -111,26 +157,39 @@ extern void write_map_objects(void * start, FILE * file, -extern void read_map_objects(void * start, FILE * file, size_t size, - void (* r_typedata) (void *, FILE *) ) +extern void read_map_objects(struct World * world, void * start, FILE * file) { struct MapObj * map_obj; - uint16_t test; + struct MapObjDef * mod; + size_t size; + char type; char first = 1; + long pos; while (1) { - test = read_uint16_bigendian(file); - if (0 == test) + pos = ftell(file); + if (0 == read_uint16_bigendian(file)) { break; } + fseek(file, pos, SEEK_SET); + type = fgetc(file); + mod = get_map_obj_def(world, type); + if ('m' == mod->m_or_i) + { + size = sizeof(struct Monster); + } + else + { + size = sizeof(struct Item); + } map_obj = get_next_map_obj(start, &first, size, map_obj); - map_obj->pos.y = test - 1; + map_obj->type = type; + map_obj->pos.y = read_uint16_bigendian(file) - 1; map_obj->pos.x = read_uint16_bigendian(file) - 1; - map_obj->type = fgetc(file); - if (r_typedata) + if ('m' == mod->m_or_i) { - r_typedata(map_obj, file); + read_map_objects_monsterdata(map_obj, file); } } if (!first) @@ -141,35 +200,35 @@ extern void read_map_objects(void * start, FILE * file, size_t size, -extern void write_map_objects_monsterdata(void * start, FILE * file) -{ - struct Monster * m = (struct Monster *) start; - fputc(m->hitpoints, file); -} - - - -extern void read_map_objects_monsterdata (void * start, FILE * file) -{ - struct Monster * m = (struct Monster *) start; - m->hitpoints = fgetc(file); -} - - - extern void * build_map_objects(struct World * world, void * start, char def_id, - unsigned char n, size_t size, - void (* b_typedata) (struct MapObjDef *, void *)) + unsigned char n) { unsigned char i; struct MapObj * mo; char first = 1; struct MapObjDef * mod = get_map_obj_def(world, def_id); + size_t size = 0; + if ('i' == mod->m_or_i) + { + size = sizeof(struct Item); + } + else + { + size = sizeof(struct Monster); + } for (i = 0; i < n; i++) { mo = get_next_map_obj(start, &first, size, mo); mo->pos = find_passable_pos(world->map); - b_typedata(mod, mo); + if ('i' == mod->m_or_i) + { + build_map_objects_itemdata(mod, mo); + } + else + { + build_map_objects_monsterdata(mod, mo); + } + } if (!first) { @@ -180,26 +239,6 @@ extern void * build_map_objects(struct World * world, void * start, char def_id, -extern void build_map_objects_itemdata(struct MapObjDef * map_obj_def, - void * start) -{ - struct Item * i = (struct Item *) start; - i->map_obj.type = map_obj_def->id; -} - - - -extern void build_map_objects_monsterdata(struct MapObjDef * map_obj_def, - void * start) -{ - struct Monster * m = (struct Monster *) start; - m->map_obj.type = map_obj_def->id; - struct MonsterDef * md = (struct MonsterDef *) map_obj_def; - m->hitpoints = md->hitpoints_start; -} - - - extern struct MapObjDef * get_map_obj_def (struct World * world, char def_id) { struct MapObjDef * d = NULL;