X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_object_actions.c;h=7059863bd722dfdc0462f9379b242be10b069cc7;hb=8f60274cc94ea4b2d3a0bb71169e50b0d06ae629;hp=44e02638ef2a71353c35dc5eab0456eab5466c0e;hpb=7290dec4219eaa2325aa00ef6139f715743dba3a;p=plomrogue

diff --git a/src/map_object_actions.c b/src/map_object_actions.c
index 44e0263..7059863 100644
--- a/src/map_object_actions.c
+++ b/src/map_object_actions.c
@@ -1,25 +1,53 @@
 /* map_object_actions.c */
 
 #include "map_object_actions.h"
-#include <string.h> /* for strlen() */
+#include <stdint.h> /* for uint8_t */
+#include <string.h> /* for strlen(), strcmp() */
 #include "yx_uint16.h" /* for yx_uint16 struct, mv_yx_in_dir(),
                         * yx_uint16_cmp()
                         */
 #include "map_objects.h" /* for MapObj, MapObjDef structs, get_player(),
                           * set_object_position(), own_map_object()
                           */
-#include "misc.h" /* for update_log(), turn_over() */
-#include "map.h" /* for Map struct */
+#include "misc.h" /* for update_log(), try_malloc() */
+#include "map.h" /* for is_passable() */
 #include "main.h" /* for world global */
-#include "command_db.h" /* for get_command_id() */
+#include "readwrite.h" /* for try_fopen(), try_fclose(), textfile_sizes() */
+#include "rexit.h" /* for exit_err() */
 
 
 
+/* If "name" fits "moa"->name, set "moa"->func to "func". */
+static uint8_t try_func_name(struct MapObjAct * moa,
+                             char * name, void (* func) (struct MapObj *));
+
 /* One actor "wounds" another actor, decrementing his lifepoints and, if they
  * reach zero in the process, killing it. Generates appropriate log message.
  */
 static void actor_hits_actor(struct MapObj * hitter, struct MapObj * hitted);
 
+/* Bonus stuff to actor_*() to happen if actor==player. Mostly writing of log
+ * messages; _pick and _drop also decrement world.inventory_sel by 1 if >0.
+ */
+static void playerbonus_wait();
+static void playerbonus_move(char d, uint8_t passable);
+static void playerbonus_drop(uint8_t owns_none);
+static void playerbonus_pick(uint8_t picked);
+static void playerbonus_use(uint8_t no_object, uint8_t wrong_object);
+
+
+
+static uint8_t try_func_name(struct MapObjAct * moa,
+                             char * name, void (* func) (struct MapObj *))
+{
+    if (0 == strcmp(moa->name, name))
+    {
+        moa->func = func;
+        return 1;
+    }
+    return 0;
+}
+
 
 
 static void actor_hits_actor(struct MapObj * hitter, struct MapObj * hitted)
@@ -64,145 +92,279 @@ static void actor_hits_actor(struct MapObj * hitter, struct MapObj * hitted)
 
 
 
-extern uint8_t move_actor(struct MapObj * actor, enum dir d)
+static void playerbonus_wait()
+{
+        update_log("\nYou wait.");
+}
+
+
+
+static void playerbonus_move(char d, uint8_t passable)
 {
-    struct yx_uint16 target = mv_yx_in_dir(d, actor->pos);
-    struct MapObj * other_actor;
-    for (other_actor = world.map_objs;
-         other_actor != 0;
-         other_actor = other_actor->next)
+    char * dsc_dir = "north";
+    if      ('E' == d)
     {
-        if (0 == other_actor->lifepoints || other_actor == actor)
-        {
-            continue;
-        }
-        if (yx_uint16_cmp(&target, &other_actor->pos))
-        {
-            actor_hits_actor(actor, other_actor);
-            return 2;
-        }
+        dsc_dir = "east" ;
+    }
+    else if ('S' == d)
+    {
+        dsc_dir = "south";
+    }
+    else if ('W' == d)
+    {
+        dsc_dir = "west" ;
+    }
+    char * dsc_move = "You move ";
+    if (0 == passable)
+    {
+        dsc_move = "You fail to move ";
+    }
+    char msg[strlen(dsc_move) + strlen (dsc_dir) + 3];
+    sprintf(msg, "\n%s%s.", dsc_move, dsc_dir);
+    update_log(msg);
+}
+
+
+
+static void playerbonus_drop(uint8_t owns_none)
+{
+    if (0 != owns_none)
+    {
+        update_log("\nYou try to drop an object, but you own none.");
     }
-    if (is_passable(world.map, target))
+    else
     {
-        set_object_position(actor, target);
-        return 0;
+        update_log("\nYou drop an object.");
+        if (0 < world.inventory_sel)
+        {
+            world.inventory_sel--;
+        }
     }
-    return 1;
 }
 
 
 
-extern void move_player(enum dir d)
+static void playerbonus_pick(uint8_t picked)
 {
-    char * dsc_dir;
-    char * action_dsc_prototype = "player_";
-    uint8_t len_action_dsc_prototype = strlen(action_dsc_prototype);
-    char action_dsc[len_action_dsc_prototype + 2];
-    memcpy(action_dsc, action_dsc_prototype, len_action_dsc_prototype);
-    if      (NORTH == d)
+    if (picked)
     {
-        dsc_dir = "north";
-        action_dsc[len_action_dsc_prototype] = 'u';
+        update_log("\nYou pick up an object.");
     }
-    else if (EAST  == d)
+    else
     {
-        dsc_dir = "east" ;
-        action_dsc[len_action_dsc_prototype] = 'r';
+        update_log("\nYou try to pick up an object, but there is none.");
     }
-    else if (SOUTH == d)
+}
+
+
+
+static void playerbonus_use(uint8_t no_object, uint8_t wrong_object)
+{
+    if      (no_object)
     {
-        dsc_dir = "south";
-        action_dsc[len_action_dsc_prototype] = 'd';
+        update_log("\nYou try to use an object, but you own none.");
     }
-    else if (WEST  == d)
+    else if (wrong_object)
     {
-        dsc_dir = "west" ;
-        action_dsc[len_action_dsc_prototype] = 'l';
+        update_log("\nYou try to use this object, but fail.");
     }
-    action_dsc[len_action_dsc_prototype + 1] = '\0';
-    uint8_t res = move_actor(get_player(), d);
-    if (1 >= res)
+    else
+    {
+        update_log("\nYou consume MAGIC MEAT.");
+        if (0 < world.inventory_sel)
+        {
+            world.inventory_sel--;
+        }
+    }
+}
+
+
+
+extern void init_map_object_actions()
+{
+    char * f_name = "init_map_object_actions()";
+
+    char * path = "config/map_object_actions";
+    FILE * file = try_fopen(path, "r", f_name);
+    uint16_t linemax = textfile_sizes(file, NULL);
+    char line[linemax + 1];
+
+    struct MapObjAct ** moa_ptr_ptr = &world.map_obj_acts;
+    char * delim = " ";
+    while (fgets(line, linemax + 1, file))
     {
-        char * dsc_move = "You fail to move ";
-        if   (0 == res)
+        if ('\n' == line[0] || 0 == line[0])
+        {
+            break;
+        }
+        struct MapObjAct * moa = try_malloc(sizeof(struct MapObjAct), f_name);
+        moa->id = atoi(strtok(line, delim));
+        moa->effort = atoi(strtok(NULL, delim));
+        char * funcname = strtok(NULL, "\n");
+        uint8_t len_name = strlen(funcname) + 1;
+        moa->name = try_malloc(len_name, f_name);
+        memcpy(moa->name, funcname, len_name);
+        if (!(   try_func_name(moa, "move", actor_move)
+              || try_func_name(moa, "pick_up", actor_pick)
+              || try_func_name(moa, "drop", actor_drop)
+              || try_func_name(moa, "use", actor_use)))
         {
-            dsc_move = "You move ";
+            moa->func = actor_wait;
         }
-        char msg[strlen(dsc_move) + strlen (dsc_dir) + 3];
-        sprintf(msg, "\n%s%s.", dsc_move, dsc_dir);
-        update_log(msg);
+        moa->next = NULL;
+        * moa_ptr_ptr = moa;
+        moa_ptr_ptr = &moa->next;
     }
-    turn_over(get_command_id(action_dsc));
+    try_fclose(file, f_name);
 }
 
 
 
-extern void player_wait()
+extern void free_map_object_actions(struct MapObjAct * moa)
 {
-    update_log("\nYou wait.");
-    turn_over(get_command_id("wait"));
+    if (NULL == moa)
+    {
+        return;
+    }
+    free(moa->name);
+    free_map_object_actions(moa->next);
+    free(moa);
 }
 
 
 
-extern char is_passable(struct Map * map, struct yx_uint16 pos)
+extern uint8_t get_moa_id_by_name(char * name)
 {
-    uint8_t passable = 0;
-    if (0 <= pos.x && pos.x < map->size.x && 0 <= pos.y && pos.y < map->size.y)
+    struct MapObjAct * moa = world.map_obj_acts;
+    while (NULL != moa)
     {
-        passable = (('.' == map->cells[pos.y * map->size.x + pos.x]));
+        if (0 == strcmp(moa->name, name))
+        {
+            break;
+        }
+        moa = moa->next;
     }
-    return passable;
+    exit_err(NULL == moa, "get_moa_id_name() did not find map object action.");
+    return moa->id;
 }
 
 
 
-extern void player_drop()
+extern void actor_wait(struct MapObj * mo)
 {
-    struct MapObj * player = get_player();
-    if (NULL == player->owns)
+    if (mo == get_player())
     {
-        update_log("\nYou try to drop an object, but you own none.");
-        world.old_inventory_select = 0;
+        playerbonus_wait();
     }
-    else
+}
+
+
+
+extern void actor_move(struct MapObj * mo)
+{
+    char d = mo->arg;
+    struct yx_uint16 target = mv_yx_in_dir(d, mo->pos);
+    struct MapObj * other_mo;
+    for (other_mo = world.map_objs; other_mo != 0; other_mo = other_mo->next)
     {
-        world.old_inventory_select = world.inventory_select;
-        struct MapObj * owned = player->owns;
-        uint8_t i = 0;
-        for (; i != world.inventory_select; i++, owned = owned->next);
-        if (0 < world.inventory_select)
+        if (0 == other_mo->lifepoints || other_mo == mo)
         {
-            world.inventory_select--;
+            continue;
         }
-        own_map_object(&world.map_objs, &player->owns, owned->id);
-        update_log("\nYou drop an object.");
+        if (yx_uint16_cmp(&target, &other_mo->pos))
+        {
+            actor_hits_actor(mo, other_mo);
+            return;
+        }
+    }
+    uint8_t passable = is_passable(world.map, target);
+    if (passable)
+    {
+        set_object_position(mo, target);
+    }
+    if (mo == get_player())
+    {
+        playerbonus_move(d, passable);
     }
-    turn_over(get_command_id("drop"));
 }
 
 
 
-extern void player_pick()
+extern void actor_drop(struct MapObj * mo)
+{
+    uint8_t owns_none = (NULL == mo->owns);
+    if (!owns_none)
+    {
+        uint8_t select = mo->arg;
+        struct MapObj * owned = mo->owns;
+        uint8_t i = 0;
+        for (; i != select; i++, owned = owned->next);
+        own_map_object(&world.map_objs, &mo->owns, owned->id);
+    }
+    if (mo == get_player())
+    {
+        playerbonus_drop(owns_none);
+    }
+}
+
+
+
+extern void actor_pick(struct MapObj * mo)
 {
-    struct MapObj * player = get_player();
     struct MapObj * picked;
     for (picked = world.map_objs; NULL != picked; picked = picked->next)
     {
-        if (picked != player && yx_uint16_cmp(&picked->pos, &player->pos))
+        if (picked != mo && yx_uint16_cmp(&picked->pos, &mo->pos))
         {
             break;
         }
     }
-    if (NULL == picked)
+    if (NULL != picked)
     {
-        update_log("\nYou try to pick up an object, but there is none.");
+        own_map_object(&mo->owns, &world.map_objs, picked->id);
+        set_object_position(picked, mo->pos);
     }
-    else
+    if (mo == get_player())
     {
-        own_map_object(&player->owns, &world.map_objs, picked->id);
-        set_object_position(picked, player->pos);
-        update_log("\nYou pick up an object.");
+        playerbonus_pick(NULL != picked);
+    }
+}
+
+
+
+extern void actor_use(struct MapObj * mo)
+{
+    uint8_t wrong_object = 1;
+    uint8_t no_object = (NULL == mo->owns);
+    if (!no_object)
+    {
+        uint8_t select = mo->arg;
+        uint8_t i = 0;
+        struct MapObj * selected = mo->owns;
+        for (; i != select; i++, selected = selected->next);
+        struct MapObjDef * mod = get_map_object_def(selected->type);
+        if (!strcmp("MAGIC MEAT", mod->name))
+        {
+            wrong_object = 0;
+            struct MapObj * next = selected->next;
+            free(selected);
+            if (0 < select)
+            {
+                select--;
+                for (i = 0, selected = mo->owns;
+                     i != select;
+                     i++, selected = selected->next);
+                selected->next = next;
+            }
+            else
+            {
+                mo->owns = next;
+            }
+            mo->lifepoints++;
+        }
+    }
+    if (mo == get_player())
+    {
+        playerbonus_use(no_object, wrong_object);
     }
-    turn_over(get_command_id("pick"));
 }