#include "map_objects.h"
#include <stdlib.h> /* for free(), atoi() */
-#include <stdint.h> /* for uint8_t */
+#include <stdint.h> /* for uint8_t, uint16_t */
#include <stdio.h> /* for FILE typedef */
-#include <string.h> /* for strchr(), strlen(), memcpy(), strtok() */
-#include "readwrite.h" /* for get_linemax(), try_fopen(), try_fclose()
- * [read/write]_uint[8/16/23][_bigendian]()
+#include <string.h> /* for strlen(), memcpy(), strtok() */
+#include "readwrite.h" /* for textfile_sizes(), try_fopen(), try_fclose(),
+ * try_fgets()
*/
-#include "misc.h" /* for try_malloc(), try_calloc(), find_passable_pos() */
-#include "main.h" /* for World struct */
-#include "rexit.h" /* for err_exit() */
+#include "misc.h" /* for try_malloc(), find_passable_pos() */
+#include "main.h" /* for world global */
+#include "rexit.h" /* for exit_err() */
#include "yx_uint16.h" /* for yx_uint16 struct, yx_uint16_cmp() */
-extern void init_map_object_defs(struct World * world, char * filename)
+/* Write representation of "mo" and all of the map objects it owns to "file". */
+static void write_map_object(FILE * file, struct MapObj * mo);
+
+/* Return pointer to map object of "id" in chain starting at "ptr". */
+static struct MapObj * get_map_object(struct MapObj * ptr, uint8_t id);
+
+
+
+static void write_map_object(FILE * file, struct MapObj * mo)
+{
+ char * f_name = "write_map_object()";
+ struct MapObj * mo_ptr = mo->owns;
+ uint8_t i = 0;
+ for (; NULL != mo_ptr; mo_ptr = mo_ptr->next, i++);
+ uint8_t size = 3+1 + 3+1 + 3+1 + 5+1 + 5 + ((1+3)*i) + 1 + 1;
+ char line[size];
+ sprintf(line, "%d %d %d %d %d %d %d %d",
+ mo->id, mo->type, mo->lifepoints, mo->pos.y, mo->pos.x,
+ mo->command, mo->arg, mo->progress);
+ for (mo_ptr = mo->owns; NULL != mo_ptr; mo_ptr = mo_ptr->next)
+ {
+ sprintf(line + strlen(line), " %d", mo_ptr->id);
+ }
+ line[strlen(line) + 1] = '\0';
+ line[strlen(line)] = '\n';
+ try_fwrite(line, strlen(line), 1, file, f_name);
+ for (mo_ptr = mo->owns; NULL != mo_ptr; mo_ptr = mo_ptr->next)
+ {
+ write_map_object(file, mo_ptr);
+ }
+}
+
+
+
+static struct MapObj * get_map_object(struct MapObj * ptr, uint8_t id)
+{
+ while (1)
+ {
+ if (NULL == ptr || id == ptr->id)
+ {
+ return ptr;
+ }
+ struct MapObj * owned_object = get_map_object(ptr->owns, id);
+ if (NULL != owned_object)
+ {
+ return ptr;
+ }
+ ptr = ptr->next;
+ }
+}
+
+
+
+extern void init_map_object_defs(char * filename)
{
char * f_name = "init_map_object_defs()";
- FILE * file = try_fopen(filename, "r", world, f_name);
- uint16_t linemax = get_linemax(file, world, f_name);
- struct MapObjDef ** last_mod_ptr_ptr = &world->map_obj_defs;
+ FILE * file = try_fopen(filename, "r", f_name);
+ uint16_t linemax = textfile_sizes(file, NULL);
+ struct MapObjDef ** last_mod_ptr_ptr = &world.map_obj_defs;
char * delim = " ";
char line[linemax + 1];
- while (try_fgets(line, linemax + 1, file, world, f_name))
+ while (try_fgets(line, linemax + 1, file, f_name))
{
- struct MapObjDef * mod;
- mod = try_malloc(sizeof(struct MapObjDef), world, f_name);
+ struct MapObjDef * mod = try_malloc(sizeof(struct MapObjDef), f_name);
mod->next = NULL;
mod->id = atoi(strtok(line, delim));
mod->corpse_id = atoi(strtok(NULL, delim));
mod->char_on_map = * strtok(NULL, delim);
mod->lifepoints = atoi(strtok(NULL, delim));
char * name = strtok(NULL, "\n");
- mod->name = try_malloc(strlen(name) + 1, world, f_name);
+ mod->name = try_malloc(strlen(name) + 1, f_name);
memcpy(mod->name, name, strlen(name) + 1);
* last_mod_ptr_ptr = mod;
last_mod_ptr_ptr = &mod->next;
}
- try_fclose(file, world, f_name);
+ try_fclose(file, f_name);
}
-extern void write_map_objects(struct World * world, FILE * file)
+extern void write_map_objects(FILE * file)
{
- char * f_name = "write_map_objects()";
- struct MapObj * mo = world->map_objs;
- uint8_t size = 3 + 1 + 3 + 1 + 3 + 1 + 5 + 1 + 5 + 1;
- char line[size];
+ struct MapObj * mo = world.map_objs;
while (NULL != mo)
{
- sprintf(line, "%d %d %d %d %d\n",
- mo->id, mo->type, mo->lifepoints, mo->pos.y, mo->pos.x);
- try_fwrite(line, strlen(line), 1, file, world, f_name);
+ write_map_object(file, mo);
mo = mo->next;
}
}
-extern void read_map_objects(struct World * world, FILE * file, char * line,
- int linemax)
+extern void read_map_objects(FILE * file, char * line, int linemax)
{
char * f_name = "read_map_objects()";
- struct MapObj ** mo_ptr_ptr = &world->map_objs;
+ struct MapObj ** mo_ptr_ptr = &world.map_objs;
char * delim = " ";
- struct MapObj * mo;
- while (try_fgets(line, linemax + 1, file, world, f_name))
+ fpos_t pos;
+ exit_err(-1 == fgetpos(file, &pos), f_name);
+ while (try_fgets(line, linemax + 1, file, f_name))
{
- mo = malloc(sizeof(struct MapObj));
- mo->next = NULL;
- mo->id = atoi(strtok(line, delim));
- if (mo->id > world->map_obj_count)
- {
- world->map_obj_count = mo->id;
- }
- mo->type = atoi(strtok(NULL, delim));
+ struct MapObj * mo = try_malloc(sizeof(struct MapObj), f_name);
+ mo->next = NULL;
+ mo->id = atoi(strtok(line, delim));
+ mo->type = atoi(strtok(NULL, delim));
mo->lifepoints = atoi(strtok(NULL, delim));
- mo->pos.y = atoi(strtok(NULL, delim));
- mo->pos.x = atoi(strtok(NULL, delim));
+ mo->pos.y = atoi(strtok(NULL, delim));
+ mo->pos.x = atoi(strtok(NULL, delim));
+ mo->command = atoi(strtok(NULL, delim));;
+ mo->arg = atoi(strtok(NULL, delim));;
+ mo->progress = atoi(strtok(NULL, delim));;
+ mo->owns = NULL;
* mo_ptr_ptr = mo;
mo_ptr_ptr = &mo->next;
}
- world->last_map_obj = mo;
+ exit_err(-1 == fsetpos(file, &pos), f_name);
+ while (try_fgets(line, linemax + 1, file, f_name))
+ {
+ uint8_t id = atoi(strtok(line, delim));
+ uint8_t i;
+ for (i = 0; i < 7; i++, strtok(NULL, delim));
+ char * owned = strtok(NULL, "\n");
+ if (NULL != owned)
+ {
+ struct MapObj * mo = get_map_object(world.map_objs, id);
+ char * owned_id = "";
+ owned_id = strtok(owned, delim);
+ while (NULL != owned_id)
+ {
+ own_map_object(&mo->owns, &world.map_objs, atoi(owned_id));
+ owned_id = strtok(NULL, delim);
+ }
+ }
+ }
}
-extern void add_map_object(struct World * world, uint8_t type)
+extern void add_map_object(uint8_t type)
{
- char * f_name = "add_map_object";
- struct MapObjDef * mod = get_map_object_def(world, type);
- struct MapObj * mo = try_malloc(sizeof(struct MapObj), world, f_name);
- mo->id = world->map_obj_count;
- world->map_obj_count++;
- mo->type = mod->id;
+ char * f_name = "add_map_object()";
+ struct MapObjDef * mod = get_map_object_def(type);
+ struct MapObj * mo = try_malloc(sizeof(struct MapObj), f_name);
+ mo->id = world.map_obj_count++;
+ mo->type = mod->id;
mo->lifepoints = mod->lifepoints;
while (1)
{
- struct yx_uint16 pos = find_passable_pos(world->map);
+ struct yx_uint16 pos = find_passable_pos(world.map);
struct MapObj * mo_ptr;
uint8_t clear = 1;
- for (mo_ptr = world->map_objs;
- mo_ptr != NULL;
- mo_ptr = mo_ptr->next)
+ for (mo_ptr = world.map_objs; mo_ptr != NULL; mo_ptr = mo_ptr->next)
{
if (yx_uint16_cmp(&pos, &mo_ptr->pos) && 0 != mo_ptr->lifepoints)
{
break;
}
}
- mo->next = NULL;
- if (NULL == world->last_map_obj)
- {
- world->map_objs = mo;
- }
- else
- {
- world->last_map_obj->next = mo;
- }
- world->last_map_obj = mo;
+ mo->progress = 0;
+ mo->command = 0;
+ mo->arg = 0;
+ mo->owns = NULL;
+ mo->next = NULL;
+ struct MapObj ** mo_ptr_ptr = &world.map_objs;
+ for (; NULL != * mo_ptr_ptr; mo_ptr_ptr = &(*mo_ptr_ptr)->next);
+ * mo_ptr_ptr = mo;
}
-extern void add_map_objects(struct World * world, uint8_t type, uint8_t n)
+extern void add_map_objects(uint8_t type, uint8_t n)
{
uint8_t i;
for (i = 0; i < n; i++)
{
- add_map_object(world, type);
+ add_map_object(type);
}
}
{
return;
}
+ free_map_objects(mo_start->owns);
free_map_objects(mo_start->next);
free(mo_start);
}
-extern struct MapObj * get_player(struct World * world)
+extern void own_map_object(struct MapObj ** target, struct MapObj ** source,
+ uint8_t id)
{
- struct MapObj * ptr = world->map_objs;
- while (1)
+ struct MapObj * mo;
+ if (id == (*source)->id)
{
- if (NULL == ptr)
- {
- return ptr;
- }
- if (0 == ptr->id)
+ mo = * source;
+ * source = mo->next;
+ }
+ else
+ {
+ struct MapObj * penult = * source;
+ while (1)
{
- return ptr;
+ if (id == penult->next->id)
+ {
+ break;
+ }
+ penult = penult->next;
}
- ptr = ptr->next;
+ mo = penult->next;
+ penult->next = mo->next;
}
+ struct MapObj ** mo_ptr_ptr = target;
+ for (; NULL != * mo_ptr_ptr; mo_ptr_ptr = &(*mo_ptr_ptr)->next);
+ * mo_ptr_ptr = mo;
+ mo->next = NULL;
}
-extern struct MapObjDef * get_map_object_def(struct World * w, uint8_t id)
+extern struct MapObj * get_player()
{
- struct MapObjDef * mod = w->map_obj_defs;
- while (id != mod->id)
- {
- mod = mod->next;
- }
+ return get_map_object(world.map_objs, 0);
+}
+
+
+
+extern struct MapObjDef * get_map_object_def(uint8_t id)
+{
+ struct MapObjDef * mod = world.map_obj_defs;
+ for (; id != mod->id; mod = mod->next);
return mod;
}
+
+
+
+extern void set_object_position(struct MapObj * mo, struct yx_uint16 pos)
+{
+ mo->pos = pos;
+ struct MapObj * owned = mo->owns;
+ for (; owned != NULL; set_object_position(owned, pos), owned = owned->next);
+}