X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_object_actions.c;h=23152e229de5d78476178c20feb3d6e179b68900;hb=fb8ddca6abc66eb7e52a007850689309b4cda938;hp=58915f62d3b4911a71863042d16486d01a9c46a4;hpb=111279ad59a25bc548c47d38c1a52c3036eff87a;p=plomrogue

diff --git a/src/map_object_actions.c b/src/map_object_actions.c
index 58915f6..23152e2 100644
--- a/src/map_object_actions.c
+++ b/src/map_object_actions.c
@@ -1,129 +1,200 @@
 /* map_object_actions.c */
 
 #include "map_object_actions.h"
-#include <stdlib.h> /* for malloc(), calloc(), free() */
+#include <string.h> /* for strlen() */
 #include "yx_uint16.h" /* for yx_uint16 struct, mv_yx_in_dir(), yx_uint16_cmp */
-#include "misc.h" /* for update_log(), turn_over()*/
+#include "misc.h" /* for update_log(), turn_over() */
 #include "map.h" /* for Map struct */
 #include "main.h" /* for World struct */
-#include "map_objects.h" /* for map object (definition) structs */
+#include "map_objects.h" /* for structs MapObj, MapObjDef,
+                          * get_map_object_def()
+                          */
 #include "rrand.h" /* for rrand() */
+#include "command_db.h" /* for get_command_id() */
 
 
 
-extern void move_monster(struct World * world, struct Monster * monster)
+/* Log monster (described by "dsc_monster1") bumping into "monster2". */
+static void monster_bumps_monster(struct World * world, char * dsc_monster1,
+                                  struct MapObj * monster2);
+
+/* Decrement player HPs due to attack of monster described by "dsc_monster",
+ * kill player if his HP hit zero; log the whole action.
+ */
+static void monster_hits_player(struct World * world, char * dsc_monster);
+
+/* Decrement HP of "monster" hit by player, kill it if its HP hit zero, create a
+ * corpse and increment player's score by the amount of hitpoints the monster
+ * started with; log the whole action.
+ */
+static void player_hits_monster(struct World * world, struct MapObj * monster);
+
+/* Try moving the player in direction "d" towards coordinate "target"; log
+ * success or failure of the whole action.
+ */
+static void try_player_move(struct World * world,
+                            enum dir d, struct yx_uint16 target);
+
+
+
+static void monster_bumps_monster(struct World * world, char * dsc_monster1,
+                                  struct MapObj * monster2)
+{
+    char * bump_dsc = " bumps into ";
+    struct MapObjDef * mod = get_map_object_def(world, monster2->type);
+    char msg[strlen(dsc_monster1) + strlen(bump_dsc) + strlen(mod->name) + 3];
+    sprintf(msg, "\n%s%s%s.", dsc_monster1, bump_dsc, mod->name);
+    update_log(world, msg);
+}
+
+
+
+static void monster_hits_player(struct World * world, char * dsc_monster)
+{
+    char * hit_dsc = " hits you";
+    char msg[strlen(dsc_monster) + strlen(hit_dsc) + 3];
+    sprintf(msg, "\n%s%s.", dsc_monster, hit_dsc);
+    update_log(world, msg);
+    world->player->hitpoints--;
+
+    if (0 == world->player->hitpoints)
+    {
+        update_log(world, "\nYou are dead.");
+    }
+}
+
+
+
+static void player_hits_monster(struct World * world, struct MapObj * monster)
+{
+    struct MapObjDef * mod = get_map_object_def(world, monster->type);
+    char * hit_dsc = "You hit the ";
+    char * monster_dsc = mod->name;
+    char hitmsg[strlen(hit_dsc) + strlen(monster_dsc) + 3];
+    sprintf(hitmsg, "\n%s%s.", hit_dsc, monster_dsc);
+    update_log(world, hitmsg);
+    monster->lifepoints--;
+    if (0 == monster->lifepoints)
+    {
+        hit_dsc = "You kill the ";
+        char kill_msg[strlen(hit_dsc) + strlen(monster_dsc) + 3];
+        sprintf(kill_msg, "\n%s%s.", hit_dsc, monster_dsc);
+        update_log(world, kill_msg);
+        struct MapObjDef * md = mod;
+        monster->type = md->corpse_id;
+        uint8_t score = md->lifepoints;
+        world->score = world->score + score;
+    }
+}
+
+
+
+static void try_player_move(struct World * world,
+                            enum dir d, struct yx_uint16 target)
+{
+    char * dsc_dir;
+    if      (NORTH == d)
+    {
+        dsc_dir = "north";
+    }
+    else if (EAST  == d)
+    {
+        dsc_dir = "east" ;
+    }
+    else if (SOUTH == d)
+    {
+        dsc_dir = "south";
+    }
+    else if (WEST  == d)
+    {
+        dsc_dir = "west" ;
+    }
+    char * dsc_move = "You fail to move ";
+    if (is_passable(world->map, target))
+    {
+        dsc_move = "You move ";
+        world->player->pos = target;
+    }
+    char msg[strlen(dsc_move) + strlen (dsc_dir) + 3];
+    sprintf(msg, "\n%s%s.", dsc_move, dsc_dir);
+    update_log(world, msg);
+}
+
+
+
+extern void move_monster(struct World * world, struct MapObj * monster)
 {
     char d = rrand() % 5;
-    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))
-    {
-        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.");
-        }
+    struct yx_uint16 t = mv_yx_in_dir(d, monster->pos);
+    struct MapObjDef * mod = get_map_object_def(world, monster->type);
+    char * dsc = mod->name;
+    if (yx_uint16_cmp(&t, &world->player->pos))
+    {
+        monster_hits_player(world, dsc);
         return;
     }
-    struct Monster * other_monster;
-    for (other_monster = world->monster;
+    struct MapObj * other_monster;
+    for (other_monster = world->map_objs;
          other_monster != 0;
-         other_monster = other_monster->map_obj.next)
+         other_monster = other_monster->next)
     {
-        if (other_monster == monster)
+        if (0 == other_monster->lifepoints || other_monster == monster)
         {
             continue;
         }
-        if (yx_uint16_cmp(t, other_monster->map_obj.pos))
+        if (yx_uint16_cmp(&t, &other_monster->pos))
         {
-            mod = get_map_obj_def(world, other_monster->map_obj.type);
-            desc_other = mod->desc;
-            sprintf(msg, "\n%s bumps into %s.", desc, desc_other);
-            update_log(world, msg);
+            monster_bumps_monster(world, dsc, other_monster);
             return;
         }
     }
-    free(msg);
     if (is_passable(world->map, t))
     {
-        monster->map_obj.pos = t;
+        monster->pos = t;
     }
 }
 
 
 
-extern void move_player (struct World * world, enum dir d)
+extern void move_player(struct World * world, enum dir d)
 {
+    char * action_dsc_prototype = "player_";
+    uint8_t len = strlen(action_dsc_prototype);
+    char action_dsc[len + 2];
+    memcpy(action_dsc, action_dsc_prototype, len);
+    if      (NORTH == d)
+    {
+        action_dsc[len] = 'u';
+    }
+    else if (SOUTH == d)
+    {
+        action_dsc[len] = 'd';
+    }
+    else if (WEST  == d)
+    {
+        action_dsc[len] = 'l';
+    }
+    else if (EAST  == d)
+    {
+        action_dsc[len] = 'r';
+    }
+    action_dsc[len + 1] = '\0';
+    uint8_t action_id = get_command_id(world, action_dsc);
     struct yx_uint16 t = mv_yx_in_dir(d, world->player->pos);
-    struct Monster * monster;
-    struct MapObjDef * mod;
-    char * msg = calloc(100, sizeof(char));
-    char * desc;
-    for (monster = world->monster;
+    struct MapObj * monster;
+    for (monster = world->map_objs;
          monster != 0;
-         monster = monster->map_obj.next)
+         monster = monster->next)
     {
-        if (yx_uint16_cmp(t, monster->map_obj.pos))
+        if (0 < monster->lifepoints && yx_uint16_cmp(&t, &monster->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)
-            {
-                sprintf(msg, "\nYou kill the %s.", desc);
-                update_log(world, msg);
-                if (world->monster == monster)
-                {
-                    world->monster = world->monster->map_obj.next;
-                }
-                else
-                {
-                    struct Monster * m_prev;
-                    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);
+            player_hits_monster(world, monster);
+            turn_over(world, action_id);
             return;
           }
-      }
-      char * msg_content = "You fail to move";
-      char * dir;
-      if      (NORTH == d)
-      {
-          dir = "north";
-      }
-      else if (EAST  == d)
-      {
-          dir = "east" ;
-      }
-      else if (SOUTH == d)
-      {
-          dir = "south";
-      }
-      else if (WEST  == d)
-      {
-          dir = "west" ;
-      }
-      if (is_passable(world->map, t))
-      {
-          msg_content = "You move";
-          world->player->pos = t;
-      }
-      sprintf(msg, "\n%s %s.", msg_content, dir);
-      update_log(world, msg);
-      free(msg);
-      turn_over(world, d);
+    }
+    try_player_move(world, d, t);
+    turn_over(world, action_id);
 }
 
 
@@ -131,7 +202,7 @@ extern void move_player (struct World * world, enum dir d)
 extern void player_wait (struct World * world)
 {
     update_log(world, "\nYou wait.");
-    turn_over(world, 0);
+    turn_over(world, get_command_id(world, "wait"));
 }
 
 
@@ -148,4 +219,3 @@ extern char is_passable (struct Map * map, struct yx_uint16 pos)
     }
     return passable;
 }
-