X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_object_actions.c;h=bc6e4730715f12cb9c5fdd9ec5bf06243fac7bea;hb=435c55c675cad9355a4e82c4d4379267f0c9a9b0;hp=b016c0cc31dc97516d173d8470b690ed8a5ed0c7;hpb=e4f2a14c7385d99d49cf831cd3fd92234caf71b5;p=plomrogue

diff --git a/src/map_object_actions.c b/src/map_object_actions.c
index b016c0c..bc6e473 100644
--- a/src/map_object_actions.c
+++ b/src/map_object_actions.c
@@ -1,89 +1,220 @@
+/* map_object_actions.c */
+
 #include "map_object_actions.h"
-#include <stdlib.h>
-#include "yx_uint16.h"
-#include "misc.h"
-#include "map.h"
-#include "main.h"
-#include "map_objects.h"
-
-extern char is_passable (struct Map * map, struct yx_uint16 pos) {
-// Check if coordinate on (or beyond) map is accessible to actor movement.
-  char passable = 0;
-  if (0 <= pos.x && pos.x < map->size.x && 0 <= pos.y && pos.y < map->size.y)
-    if ('.' == map->cells[pos.y * map->size.x + pos.x])
-      passable = 1;
-  return passable; }
-
-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->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);
+#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 "map.h" /* for Map struct */
+#include "main.h" /* for World struct */
+#include "map_objects.h" /* for map object (definition) structs */
+#include "rrand.h" /* for rrand() */
+
+
+
+/* Log monster (described by "dsc_monster1") bumping into "monster2". */
+static void monster_bumps_monster(struct World * world, char * dsc_monster1,
+                                  struct Monster * 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; log the
+ * whole action.
+ */
+static void player_hits_monster(struct World * world, struct Monster * 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 Monster * monster2)
+{
+    char * bump_dsc = " bumps into ";
+    struct MapObjDef * mod = get_map_obj_def(world, monster2->map_obj.type);
+    char * msg = malloc(strlen(dsc_monster1) + strlen(bump_dsc)
+                        + strlen(mod->desc) + 3);
+    sprintf(msg, "\n%s%s%s.", dsc_monster1, bump_dsc, mod->desc);
+    update_log(world, msg);
+    free(msg);
+}
+
+
+
+static void monster_hits_player(struct World * world, char * dsc_monster)
+{
+    char * hit_dsc = " hits you";
+    char * msg = malloc(strlen(dsc_monster) + strlen(hit_dsc) + 3);
+    sprintf(msg, "\n%s%s.", dsc_monster, hit_dsc);
+    update_log(world, msg);
+    free(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->map_obj.next) {
-    if (other_monster == monster)
-      continue;
-    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->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;
-  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) {
-        sprintf (msg, "\nYou kill the %s.", desc);
-        update_log (world, msg);
+    {
+        update_log(world, "\nYou are dead.");
+    }
+}
+
+
+
+static void player_hits_monster(struct World * world, struct Monster * monster)
+{
+    struct MapObjDef * mod = get_map_obj_def(world, monster->map_obj.type);
+    char * hit_dsc = "You hit the ";
+    char * monster_dsc = mod->desc;
+    char * msg = malloc(strlen(hit_dsc) + strlen(monster_dsc) + 3);
+    sprintf(msg, "\n%s%s.", hit_dsc, monster_dsc);
+    update_log(world, msg);
+    free(msg);
+    monster->hitpoints--;
+    if (0 == monster->hitpoints)
+    {
+        hit_dsc = "You kill the ";
+        msg = malloc(strlen(hit_dsc) + strlen(monster_dsc) + 3);
+        sprintf(msg, "\n%s%s.", hit_dsc, monster_dsc);
+        update_log(world, msg);
+        free(msg);
+        struct MonsterDef * md = (struct MonsterDef * ) mod;
+        struct Item * corpse = malloc(sizeof(struct Item));
+        corpse->map_obj.type = md->corpse_id;
+        corpse->map_obj.pos = monster->map_obj.pos;
+        corpse->map_obj.next = world->item;
+        world->item = corpse;
         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);
-      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); }
-
-extern void player_wait (struct World * world) {
-// Make player wait one turn.
-  update_log (world, "\nYou wait.");
-  turn_over (world, 0); }
+        {
+            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;
+            }
+        }
+        uint8_t score = md->hitpoints_start;
+        world->score = world->score + score;
+        free(monster);
+    }
+}
+
+
+
+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 = malloc(strlen(dsc_move) + strlen (dsc_dir) + 3);
+    sprintf(msg, "\n%s%s.", dsc_move, dsc_dir);
+    update_log(world, msg);
+    free(msg);
+}
+
+
+
+extern void move_monster(struct World * world, struct Monster * monster)
+{
+    char d = rrand() % 5;
+    struct yx_uint16 t = mv_yx_in_dir(d, monster->map_obj.pos);
+    struct MapObjDef * mod = get_map_obj_def(world, monster->map_obj.type);
+    char * dsc = mod->desc;
+    if (yx_uint16_cmp(&t, &world->player->pos))
+    {
+        monster_hits_player(world, dsc);
+        return;
+    }
+    struct Monster * other_monster;
+    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->map_obj.pos))
+        {
+            monster_bumps_monster(world, dsc, other_monster);
+            return;
+        }
+    }
+    if (is_passable(world->map, t))
+    {
+        monster->map_obj.pos = t;
+    }
+}
+
+
+
+extern void move_player(struct World * world, enum dir d)
+{
+    struct yx_uint16 t = mv_yx_in_dir(d, world->player->pos);
+    struct Monster * monster;
+    for (monster = world->monster;
+         monster != 0;
+         monster = monster->map_obj.next)
+    {
+        if (yx_uint16_cmp(&t, &monster->map_obj.pos))
+        {
+            player_hits_monster(world, monster);
+            turn_over(world, d);
+            return;
+          }
+    }
+    try_player_move(world, d, t);
+    turn_over(world, d);
+}
+
+
+
+extern void player_wait (struct World * world)
+{
+    update_log(world, "\nYou wait.");
+    turn_over(world, 0);
+}
+
+
+
+extern char is_passable (struct Map * map, struct yx_uint16 pos)
+{
+    char passable = 0;
+    if (0 <= pos.x && pos.x < map->size.x && 0 <= pos.y && pos.y < map->size.y)
+    {
+        if ('.' == map->cells[pos.y * map->size.x + pos.x])
+        {
+            passable = 1;
+        }
+    }
+    return passable;
+}