X-Git-Url: https://plomlompom.com/repos/feed.xml?a=blobdiff_plain;ds=sidebyside;f=src%2Fmap_objects.c;h=7c13ed21c592717a5f1cccd4b30fb423a0dd1898;hb=d165f8ae619c78fd1ef98a9ba2abdaeeceff853e;hp=1927e147f8904dc6abf1d3dfe034e9b335f5751d;hpb=610d7fa2782fe894981427a1e917e7b7905fff17;p=plomrogue

diff --git a/src/map_objects.c b/src/map_objects.c
index 1927e14..7c13ed2 100644
--- a/src/map_objects.c
+++ b/src/map_objects.c
@@ -7,83 +7,95 @@
 #include "map.h"
 #include "main.h"
 
-static struct ChainMapObject * get_next_cmo (void *, char *, size_t, struct ChainMapObject *);
+static struct MapObj * get_next_map_obj (void *, char *, size_t, struct MapObj *);
 
 extern void readwrite_map_objects_dummy (void * dummy, FILE * file) {
 // Dummy function for calls of (write|read)_map_objects on map objects without specific attributes.
   ; }
 
 extern void write_map_objects_monsterdata (void * start, FILE * file) {
-// Write to file data specific tto map objects of type monster.
-  struct Monster * monster = (struct Monster *) start;
-  fputc(monster->hitpoints, file); }
-
-extern void write_map_objects (void * start, FILE * file, void (* f) (void *, FILE *) ) {
-// Write into file the map object chain starting at start, use f() for object-type specific data.
-  struct ChainMapObject * cmo;
-  for (cmo = start; cmo != 0; cmo = cmo->next) {
-    write_uint16_bigendian(cmo->pos.y + 1, file);
-    write_uint16_bigendian(cmo->pos.x + 1, file);
-    fputc(cmo->name, file);
-    f (cmo, file); }
+// Write to file data specific to map objects of type monster.
+  struct Monster * m = (struct Monster *) start;
+  fputc(m->hitpoints, file); }
+
+extern void write_map_objects (void * start, FILE * file, void (* w_typedata) (void *, FILE *) ) {
+// Write into file the map object chain starting at start, use write_type() for object-type specific data.
+  struct MapObj * map_obj;
+  for (map_obj = start; map_obj != 0; map_obj = map_obj->next) {
+    write_uint16_bigendian(map_obj->pos.y + 1, file);
+    write_uint16_bigendian(map_obj->pos.x + 1, file);
+    fputc(map_obj->type, file);
+    w_typedata (map_obj, file); }
   write_uint16_bigendian(0, file); }
 
 extern void read_map_objects_monsterdata (void * start, FILE * file) {
 // Read from file data speciifc to map objects of type monster.
-  struct Monster * monster = (struct Monster *) start;
-  monster->hitpoints = fgetc(file); }
-
-static struct ChainMapObject * get_next_cmo (void * start, char * still_at_start, size_t size, struct ChainMapObject * cmo) {
-// Return pointer to map object of size "size". If first in chain ("still_at_start"), make "start" point to it.
-  if (*still_at_start) {
-    struct ChainMapObject * * z = start;
-    cmo = malloc(size);
-    * z = cmo;
-    *still_at_start = 0; }
+  struct Monster * m = (struct Monster *) start;
+  m->hitpoints = fgetc(file); }
+
+static struct MapObj * get_next_map_obj (void * start, char * first, size_t size, struct MapObj * map_obj) {
+// Return pointer to map object of "size". If first in chain ("first" pointing to !0), point "start" to it.
+  if (* first) {
+    struct MapObj * * z = start;
+    map_obj = malloc(size);
+    * z = map_obj;
+    * first = 0; }
   else {
-    cmo->next = malloc(size);
-    cmo = cmo->next; }
-  return cmo; }
+    map_obj->next = malloc(size);
+    map_obj = map_obj->next; }
+  return map_obj; }
 
-extern void read_map_objects (void * start, FILE * file, size_t size, void (* f) (void *, FILE *) ) {
-// Read from file chain of map objects starting at start, use f() for object-type specific data.
-  struct ChainMapObject * cmo;
+extern void read_map_objects (void * start, FILE * file, size_t size, void (* r_typedata) (void *, FILE *) ) {
+// Read from file chain of map objects starting at start, use r_typedata() for object-type specific data.
+  struct MapObj * map_obj;
   uint16_t test;
-  char still_at_start = 1;
+  char first = 1;
   while (1) {
     test = read_uint16_bigendian(file);
     if (0 == test)
       break;
-    cmo = get_next_cmo(start, &still_at_start, size, cmo);
-    cmo->pos.y = test - 1;
-    cmo->pos.x = read_uint16_bigendian(file) - 1;
-    cmo->name = fgetc(file);
-    f (cmo, file); }
-  if (!still_at_start)
-    cmo->next = 0; }
-
-extern void build_map_objects_monsterdata (void * start) {
+    map_obj = get_next_map_obj(start, &first, size, map_obj);
+    map_obj->pos.y = test - 1;
+    map_obj->pos.x = read_uint16_bigendian(file) - 1;
+    map_obj->type = fgetc(file);
+    r_typedata (map_obj, file); }
+  if (!first)
+    map_obj->next = 0; }
+
+extern void build_map_objects_monsterdata (struct MapObjDef * map_obj_def, void * start) {
 // Build data specific to map objects of type monster.
-  struct Monster * monster = (struct Monster *) start;
-  monster->cmo.name = 'A' + (rrand(0, 0) % 8);
-  monster->hitpoints = 5; }
+  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 void build_map_objects_itemdata (void * start) {
+extern void build_map_objects_itemdata (struct MapObjDef * map_obj_def, void * start) {
 // Build data speciifc to map objects of type data.
-  struct Item * item = (struct Item *) start;
-  item->cmo.name = '#' + (rrand(0, 0) % 4); }
+  struct Item * i = (struct Item *) start;
+  i->map_obj.type = map_obj_def->id; }
 
-extern void build_map_objects (void * start, unsigned char n, size_t size, void (* f) (void *), struct Map * map) {
+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 *)) {
 // Build chain of n map objects starting at start, use f() for object-specific data.
   unsigned char i;
-  struct ChainMapObject * cmo;
-  char still_at_start = 1;
+  struct MapObj * mo;
+  char first = 1;
+  struct MapObjDef * mod = get_map_obj_def (world, def_id);
   for (i = 0; i < n; i++) {
-    cmo = get_next_cmo(start, &still_at_start, size, cmo);
-    cmo->pos = find_passable_pos(map);
-    f (cmo); }
-  if (!still_at_start)
-    cmo->next = 0; }
+    mo = get_next_map_obj(start, &first, size, mo);
+    mo->pos = find_passable_pos(world->map);
+    b_typedata (mod, mo); }
+  if (!first)
+    mo->next = 0;
+  return &mo->next; }
+
+extern struct MapObjDef * get_map_obj_def (struct World * world, char def_id) {
+// Get pointer to the map object definition with id "def_id".
+  struct MapObjDef * d = NULL;
+  for (d = (struct MapObjDef *) world->monster_def; d->id != def_id && 0 != d->next; d = d->next);
+  if (d->id != def_id)
+    for (d = (struct MapObjDef *) world->item_def; d->id != def_id && 0 != d->next; d = d->next);
+  return d; }
 
 extern struct yx_uint16 find_passable_pos (struct Map * map) {
 // Return a random passable position on map.
@@ -104,43 +116,58 @@ extern char is_passable (struct Map * map, struct yx_uint16 pos) {
 extern void move_monster (struct World * world, struct Monster * monster) {
 // Move monster in random direction, trigger fighting when hindered by player/monster.
   char d = rrand(0, 0) % 5;
-  struct yx_uint16 t = mv_yx_in_dir (d, monster->cmo.pos);
+  struct yx_uint16 t = mv_yx_in_dir (d, monster->map_obj.pos);
+  char * msg = malloc(100);
+  struct MapObjDef * mod = get_map_obj_def (world, monster->map_obj.type);
+  char * desc = mod->desc;
+  char * desc_other;
   if (yx_uint16_cmp (t, world->player->pos)) {
-    update_log (world, "\nThe monster hits you.");
+    sprintf(msg, "\nThe %s hits you.", desc);
+    update_log (world, msg);
     world->player->hitpoints--;
     if (0 == world->player->hitpoints)
       update_log (world, "\nYou are dead.");
     return; }
   struct Monster * other_monster;
-  for (other_monster = world->monster; other_monster != 0; other_monster = other_monster->cmo.next) {
+  for (other_monster = world->monster; other_monster != 0; other_monster = other_monster->map_obj.next) {
     if (other_monster == monster)
       continue;
-    if (yx_uint16_cmp (t, other_monster->cmo.pos)) {
-      update_log (world, "\nMonster bumps into monster.");
+    if (yx_uint16_cmp (t, other_monster->map_obj.pos)) {
+      mod = get_map_obj_def (world, monster->map_obj.type);
+      desc_other = mod->desc;
+      sprintf(msg, "\n%s bumps into %s.", desc, desc_other);
+      update_log (world, msg);
       return; } }
+  free (msg);
   if (is_passable(world->map, t))
-    monster->cmo.pos = t; }
+    monster->map_obj.pos = t; }
 
 extern void move_player (struct World * world, char d) {
 // Move player in direction d, update log and turn over to the enemy.
   struct yx_uint16 t = mv_yx_in_dir (d, world->player->pos);
   struct Monster * monster;
-  for (monster = world->monster; monster != 0; monster = monster->cmo.next)
-    if (yx_uint16_cmp (t, monster->cmo.pos)) {
-      update_log (world, "\nYou hit the monster.");
+  struct MapObjDef * mod;
+  char * msg = calloc(100, sizeof(char));
+  char * desc;
+  for (monster = world->monster; monster != 0; monster = monster->map_obj.next)
+    if (yx_uint16_cmp (t, monster->map_obj.pos)) {
+      mod = get_map_obj_def (world, monster->map_obj.type);
+      desc = mod->desc;
+      sprintf (msg, "\nYou hit the %s.", desc);
+      update_log (world, msg);
       monster->hitpoints--;
       if (0 == monster->hitpoints) {
-        update_log (world, "\nYou kill the monster.");
+        sprintf (msg, "\nYou kill the %s.", desc);
+        update_log (world, msg);
         if (world->monster == monster)
-          world->monster = world->monster->cmo.next;
+          world->monster = world->monster->map_obj.next;
         else {
           struct Monster * m_prev;
-          for (m_prev = world->monster; m_prev->cmo.next != monster; m_prev = m_prev->cmo.next);
-          m_prev->cmo.next = monster->cmo.next; }
+          for (m_prev = world->monster; m_prev->map_obj.next != monster; m_prev = m_prev->map_obj.next);
+          m_prev->map_obj.next = monster->map_obj.next; }
         free(monster); }
       turn_over (world, d);
       return; }
-  char * msg = calloc(25, sizeof(char));
   char * msg_content = "You fail to move";
   char * dir;
   if      (NORTH == d) dir = "north";