diff options
Diffstat (limited to 'src/map/magic-stmt.c')
| -rw-r--r-- | src/map/magic-stmt.c | 1597 |
1 files changed, 0 insertions, 1597 deletions
diff --git a/src/map/magic-stmt.c b/src/map/magic-stmt.c deleted file mode 100644 index 5569217..0000000 --- a/src/map/magic-stmt.c +++ /dev/null @@ -1,1597 +0,0 @@ -#include "magic-interpreter.h" -#include "magic-expr.h" -#include "magic-expr-eval.h" -#include "magic-interpreter-aux.h" - -int - clif_spawn_fake_npc_for_player (struct map_session_data *sd, - int fake_npc_id); - -#define INVISIBLE_NPC 127 /* used for local spell effects */ - -//#define DEBUG - -#ifdef DEBUG -static void print_val (val_t * v) -{ - switch (v->ty) - { - case TY_UNDEF: - fprintf (stderr, "UNDEF"); - break; - case TY_INT: - fprintf (stderr, "%d", v->v.v_int); - break; - case TY_DIR: - fprintf (stderr, "dir%d", v->v.v_int); - break; - case TY_STRING: - fprintf (stderr, "`%s'", v->v.v_string); - break; - default: - fprintf (stderr, "ty%d", v->ty); - break; - } -} - -static void dump_env (env_t * env) -{ - int i; - for (i = 0; i < env->base_env->vars_nr; i++) - { - val_t *v = &env->vars[i]; - val_t *bv = &env->base_env->vars[i]; - - fprintf (stderr, "%02x %30s ", i, env->base_env->var_name[i]); - print_val (v); - fprintf (stderr, "\t("); - print_val (bv); - fprintf (stderr, ")\n"); - } -} -#endif - -static void clear_activation_record (cont_activation_record_t * ar) -{ - switch (ar->ty) - { - case CONT_STACK_FOREACH: - free (ar->c.c_foreach.entities); - break; - case CONT_STACK_PROC: - free (ar->c.c_proc.old_actuals); - break; - } -} - -static void -invocation_timer_callback (timer_id UNUSED, tick_t UNUSED, custom_id_t id, custom_data_t data) -{ - invocation_t *invocation = (invocation_t *) map_id2bl (id); - - if (invocation) - { - invocation->timer = 0; - spell_execute (invocation); - } -} - -static void clear_stack (invocation_t * invocation) -{ - int i; - - for (i = 0; i < invocation->stack_size; i++) - clear_activation_record (&invocation->stack[i]); - - invocation->stack_size = 0; -} - -void spell_free_invocation (invocation_t * invocation) -{ - if (invocation->status_change_refs) - { - free (invocation->status_change_refs); - /* The following cleanup shouldn't be necessary, but I've added it to help tracking a certain bug */ - invocation->status_change_refs = NULL; - invocation->status_change_refs_nr = 0; - } - - if (invocation->flags & INVOCATION_FLAG_BOUND) - { - entity_t *e = map_id2bl (invocation->subject); - if (e && e->type == BL_PC) - spell_unbind ((character_t *) e, invocation); - } - - clear_stack (invocation); - - if (invocation->timer) - delete_timer (invocation->timer, invocation_timer_callback); - - magic_free_env (invocation->env); - - map_delblock (&invocation->bl); - map_delobject (invocation->bl.id, BL_SPELL); // also frees the object -// free(invocation); -} - -static void -char_set_weapon_icon (character_t * subject, int count, int icon, int look) -{ - const int old_icon = subject->attack_spell_icon_override; - - subject->attack_spell_icon_override = icon; - subject->attack_spell_look_override = look; - - if (old_icon && old_icon != icon) - clif_status_change (&subject->bl, old_icon, 0); - - clif_fixpcpos (subject); - if (count) - { - clif_changelook (&subject->bl, LOOK_WEAPON, look); - if (icon) - clif_status_change (&subject->bl, icon, 1); - } - else - { - /* Set it to `normal' */ - clif_changelook (&subject->bl, LOOK_WEAPON, subject->status.weapon); - } -} - -static void char_set_attack_info (character_t * subject, int speed, int range) -{ - subject->attack_spell_delay = speed; - subject->attack_spell_range = range; - - if (speed == 0) - { - pc_calcstatus (subject, 1); - clif_updatestatus (subject, SP_ASPD); - clif_updatestatus (subject, SP_ATTACKRANGE); - } - else - { - subject->aspd = speed; - clif_updatestatus (subject, SP_ASPD); - clif_updatestatus (subject, SP_ATTACKRANGE); - } -} - -void magic_stop_completely (character_t * c) -{ - int i; - // Zap all status change references to spells - for (i = 0; i < MAX_STATUSCHANGE; i++) - c->sc_data[i].spell_invocation = 0; - - while (c->active_spells) - spell_free_invocation (c->active_spells); - - if (c->attack_spell_override) - { - invocation_t *attack_spell = - (invocation_t *) map_id2bl (c->attack_spell_override); - if (attack_spell) - spell_free_invocation (attack_spell); - c->attack_spell_override = 0; - char_set_weapon_icon (c, 0, 0, 0); - char_set_attack_info (c, 0, 0); - } -} - -/* Spell execution has finished normally or we have been notified by a finished skill timer */ -static void try_to_finish_invocation (invocation_t * invocation) -{ - if (invocation->status_change_refs_nr == 0 && !invocation->current_effect) - { - if (invocation->end_effect) - { - clear_stack (invocation); - invocation->current_effect = invocation->end_effect; - invocation->end_effect = NULL; - spell_execute (invocation); - } - else - spell_free_invocation (invocation); - } -} - -static int trigger_spell (int subject, int spell) -{ - invocation_t *invocation = (invocation_t *) map_id2bl (spell); - - if (!invocation) - return 0; - - invocation = spell_clone_effect (invocation); - - spell_bind ((character_t *) map_id2bl (subject), invocation); - magic_clear_var (&invocation->env->vars[VAR_CASTER]); - invocation->env->vars[VAR_CASTER].ty = TY_ENTITY; - invocation->env->vars[VAR_CASTER].v.v_int = subject; - - return invocation->bl.id; -} - -static void entity_warp (entity_t * target, int destm, int destx, int desty); - -static void char_update (character_t * character) -{ - entity_warp ((entity_t *) character, character->bl.m, character->bl.x, - character->bl.y); -} - -static void timer_callback_effect (timer_id UNUSED, tick_t UNUSED, custom_id_t id, custom_data_t data) -{ - entity_t *target = map_id2bl (id); - if (target) - clif_misceffect (target, data); -} - -static void entity_effect (entity_t * entity, int effect_nr, int delay) -{ - add_timer (gettick () + delay, - &timer_callback_effect, entity->id, effect_nr); -} - -void magic_unshroud (character_t * other_char) -{ - other_char->state.shroud_active = 0; - // Now warp the caster out of and back into here to refresh everyone's display - char_update (other_char); - clif_displaymessage (other_char->fd, "Your shroud has been dispelled!"); -// entity_effect(&other_char->bl, MAGIC_EFFECT_REVEAL); -} - -static void -timer_callback_effect_npc_delete (timer_id UNUSED, tick_t odelay, - custom_id_t npc_id, custom_data_t UNUSED) -{ - struct npc_data *effect_npc = (struct npc_data *) map_id2bl (npc_id); - npc_free (effect_npc); -} - -static struct npc_data *local_spell_effect (int m, int x, int y, int effect, - int tdelay) -{ - int delay = 30000; /* 1 minute should be enough for all interesting spell effects, I hope */ - struct npc_data *effect_npc = npc_spawn_text (m, x, y, - INVISIBLE_NPC, "", "?"); - int effect_npc_id = effect_npc->bl.id; - - entity_effect (&effect_npc->bl, effect, tdelay); - add_timer (gettick () + delay, - timer_callback_effect_npc_delete, effect_npc_id, 0); - - return effect_npc; -} - -static int op_sfx (env_t * env, int args_nr, val_t * args) -{ - int delay = ARGINT (2); - - if (TY (0) == TY_ENTITY) - { - entity_effect (ARGENTITY (0), ARGINT (1), delay); - } - else if (TY (0) == TY_LOCATION) - { - local_spell_effect (ARGLOCATION (0).m, - ARGLOCATION (0).x, - ARGLOCATION (0).y, ARGINT (1), delay); - } - else - return 1; - - return 0; -} - -static int op_instaheal (env_t * env, int args_nr, val_t * args) -{ - entity_t *caster = (VAR (VAR_CASTER).ty == TY_ENTITY) - ? map_id2bl (VAR (VAR_CASTER).v.v_int) : NULL; - entity_t *subject = ARGENTITY (0); - if (!caster) - caster = subject; - - if (caster->type == BL_PC && subject->type == BL_PC) - { - character_t *caster_pc = (character_t *) caster; - character_t *subject_pc = (character_t *) subject; - MAP_LOG_PC (caster_pc, "SPELLHEAL-INSTA PC%d FOR %d", - subject_pc->status.char_id, ARGINT (1)); - } - - battle_heal (caster, subject, ARGINT (1), ARGINT (2), 0); - return 0; -} - -static int op_itemheal (env_t * env, int args_nr, val_t * args) -{ - entity_t *subject = ARGENTITY (0); - if (subject->type == BL_PC) - { - pc_itemheal ((struct map_session_data *) subject, - ARGINT (1), ARGINT (2)); - } - else - return op_instaheal (env, args_nr, args); - - return 0; -} - -#define SHROUD_HIDE_NAME_TALKING_FLAG (1 << 0) -#define SHROUD_DISAPPEAR_ON_PICKUP_FLAG (1 << 1) -#define SHROUD_DISAPPEAR_ON_TALK_FLAG (1 << 2) - -#define ARGCHAR(n) (ARGENTITY(n)->type == BL_PC) ? (character_t *)(ARGENTITY(n)) : NULL - -static int op_shroud (env_t * env, int args_nr, val_t * args) -{ - character_t *subject = ARGCHAR (0); - int arg = ARGINT (1); - - if (!subject) - return 0; - - subject->state.shroud_active = 1; - subject->state.shroud_hides_name_talking = - (arg & SHROUD_HIDE_NAME_TALKING_FLAG) != 0; - subject->state.shroud_disappears_on_pickup = - (arg & SHROUD_DISAPPEAR_ON_PICKUP_FLAG) != 0; - subject->state.shroud_disappears_on_talk = - (arg & SHROUD_DISAPPEAR_ON_TALK_FLAG) != 0; - return 0; -} - -static int op_reveal (env_t * env, int args_nr, val_t * args) -{ - character_t *subject = ARGCHAR (0); - - if (subject && subject->state.shroud_active) - magic_unshroud (subject); - - return 0; -} - -static int op_message (env_t * env, int args_nr, val_t * args) -{ - character_t *subject = ARGCHAR (0); - - if (subject) - clif_displaymessage (subject->fd, ARGSTR (1)); - - return 0; -} - -static void -timer_callback_kill_npc (timer_id UNUSED, tick_t odelay, custom_id_t npc_id, - custom_data_t data) -{ - struct npc_data *npc = (struct npc_data *) map_id2bl (npc_id); - if (npc) - npc_free (npc); -} - -static int op_messenger_npc (env_t * env, int args_nr, val_t * args) -{ - struct npc_data *npc; - location_t *loc = &ARGLOCATION (0); - - npc = npc_spawn_text (loc->m, loc->x, loc->y, - ARGINT (1), ARGSTR (2), ARGSTR (3)); - - add_timer (gettick () + ARGINT (4), - &timer_callback_kill_npc, npc->bl.id, 0); - - return 0; -} - -static void entity_warp (entity_t * target, int destm, int destx, int desty) -{ - if (target->type == BL_PC || target->type == BL_MOB) - { - - switch (target->type) - { - case BL_PC: - { - character_t *character = (character_t *) target; - char *map_name; - clif_clearchar_area (&character->bl, 3); - map_delblock (&character->bl); - character->bl.x = destx; - character->bl.y = desty; - character->bl.m = destm; - - pc_touch_all_relevant_npcs (character); - - // Note that touching NPCs may have triggered warping and thereby updated x and y: - map_name = map[character->bl.m].name; - - // Warp part #1: update relevant data, interrupt trading etc.: - pc_setpos (character, map_name, character->bl.x, character->bl.y, 0); - // Warp part #2: now notify the client - clif_changemap (character, map_name, - character->bl.x, character->bl.y); - break; - } - case BL_MOB: - target->x = destx; - target->y = desty; - target->m = destm; - clif_fixmobpos ((struct mob_data *) target); - break; - } - } -} - -static int op_move (env_t * env, int args_nr, val_t * args) -{ - entity_t *subject = ARGENTITY (0); - int dir = ARGDIR (1); - - int newx = subject->x + heading_x[dir]; - int newy = subject->y + heading_y[dir]; - - if (!map_is_solid (subject->m, newx, newy)) - entity_warp (subject, subject->m, newx, newy); - - return 0; -} - -static int op_warp (env_t * env, int args_nr, val_t * args) -{ - entity_t *subject = ARGENTITY (0); - location_t *loc = &ARGLOCATION (1); - - entity_warp (subject, loc->m, loc->x, loc->y); - - return 0; -} - -static int op_banish (env_t * env, int args_nr, val_t * args) -{ - entity_t *subject = ARGENTITY (0); - - if (subject->type == BL_MOB) - { - struct mob_data *mob = (struct mob_data *) subject; - - if (mob->mode & MOB_MODE_SUMMONED) - mob_catch_delete (mob, 3); - } - - return 0; -} - -static void -record_status_change (invocation_t * invocation, int bl_id, int sc_id) -{ - int index = invocation->status_change_refs_nr++; - status_change_ref_t *cr; - - RECREATE (invocation->status_change_refs, status_change_ref_t, invocation->status_change_refs_nr); - - cr = &invocation->status_change_refs[index]; - - cr->sc_type = sc_id; - cr->bl_id = bl_id; -} - -static int op_status_change (env_t * env, int args_nr, val_t * args) -{ - entity_t *subject = ARGENTITY (0); - int invocation_id = VAR (VAR_INVOCATION).ty == TY_INVOCATION - ? VAR (VAR_INVOCATION).v.v_int : 0; - invocation_t *invocation = (invocation_t *) map_id2bl (invocation_id); - - skill_status_effect (subject, ARGINT (1), ARGINT (2), ARGINT (3), - ARGINT (4), ARGINT (5), ARGINT (6), 0, - invocation_id); - - if (invocation && subject->type == BL_PC) - record_status_change (invocation, subject->id, ARGINT (1)); - - return 0; -} - -static int op_stop_status_change (env_t * env, int args_nr, val_t * args) -{ - entity_t *subject = ARGENTITY (0); - - skill_status_change_end (subject, ARGINT (1), -1); - - return 0; -} - -static int op_override_attack (env_t * env, int args_nr, val_t * args) -{ - entity_t *psubject = ARGENTITY (0); - int charges = ARGINT (1); - int attack_delay = ARGINT (2); - int attack_range = ARGINT (3); - int icon = ARGINT (4); - int look = ARGINT (5); - int stopattack = ARGINT (6); - character_t *subject; - - if (psubject->type != BL_PC) - return 0; - - subject = (character_t *) psubject; - - if (subject->attack_spell_override) - { - invocation_t *old_invocation = - (invocation_t *) map_id2bl (subject->attack_spell_override); - if (old_invocation) - spell_free_invocation (old_invocation); - } - - subject->attack_spell_override = - trigger_spell (subject->bl.id, VAR (VAR_INVOCATION).v.v_int); - subject->attack_spell_charges = charges; - - if (subject->attack_spell_override) - { - invocation_t *attack_spell = - (invocation_t *) map_id2bl (subject->attack_spell_override); - if (attack_spell && stopattack) - attack_spell->flags |= INVOCATION_FLAG_STOPATTACK; - - char_set_weapon_icon (subject, charges, icon, look); - char_set_attack_info (subject, attack_delay, attack_range); - } - - return 0; -} - -static int op_create_item (env_t * env, int args_nr, val_t * args) -{ - struct item item; - entity_t *entity = ARGENTITY (0); - character_t *subject; - int stackable; - int count = ARGINT (2); - if (count <= 0) - return 0; - - if (entity->type == BL_PC) - subject = (character_t *) entity; - else - return 0; - - GET_ARG_ITEM (1, item, stackable); - - if (!stackable) - while (count--) - pc_additem (subject, &item, 1); - else - pc_additem (subject, &item, count); - - return 0; -} - -#define AGGRAVATION_MODE_ATTACKS_CASTER(n) ((n) == 0 || (n) == 2) -#define AGGRAVATION_MODE_MAKES_AGGRESSIVE(n) ((n) > 0) - -static int op_aggravate (env_t * env, int args_nr, val_t * args) -{ - entity_t *victim = ARGENTITY (2); - int mode = ARGINT (1); - entity_t *target = ARGENTITY (0); - struct mob_data *other; - - if (target->type == BL_MOB) - other = (struct mob_data *) target; - else - return 0; - - mob_target (other, victim, battle_get_range (victim)); - - if (AGGRAVATION_MODE_MAKES_AGGRESSIVE (mode)) - other->mode = 0x85 | (other->mode & MOB_SENSIBLE_MASK); /* war */ - - if (AGGRAVATION_MODE_ATTACKS_CASTER (mode)) - { - other->target_id = victim->id; - other->attacked_id = victim->id; - } - - return 0; -} - -#define MONSTER_ATTITUDE_HOSTILE 0 -#define MONSTER_ATTITUDE_FRIENDLY 1 -#define MONSTER_ATTITUDE_SERVANT 2 -#define MONSTER_ATTITUDE_FROZEN 3 - -static int op_spawn (env_t * env, int args_nr, val_t * args) -{ - area_t *area = ARGAREA (0); - entity_t *owner_e = ARGENTITY (1); - int monster_id = ARGINT (2); - int monster_attitude = ARGINT (3); - int monster_count = ARGINT (4); - int monster_lifetime = ARGINT (5); - int i; - - character_t *owner = (monster_attitude == MONSTER_ATTITUDE_SERVANT - && owner_e->type == - BL_PC) ? (character_t *) owner_e : NULL; - - for (i = 0; i < monster_count; i++) - { - location_t loc; - magic_random_location (&loc, area); - - int mob_id; - struct mob_data *mob; - - mob_id = mob_once_spawn (owner, map[loc.m].name, loc.x, loc.y, "--ja--", // Is that needed? - monster_id, 1, ""); - - mob = (struct mob_data *) map_id2bl (mob_id); - - if (mob) - { - mob->mode = mob_db[monster_id].mode; - - switch (monster_attitude) - { - - case MONSTER_ATTITUDE_SERVANT: - mob->state.special_mob_ai = 1; - mob->mode |= 0x04; - break; - - case MONSTER_ATTITUDE_FRIENDLY: - mob->mode = 0x80 | (mob->mode & 1); - break; - - case MONSTER_ATTITUDE_HOSTILE: - mob->mode = 0x84 | (mob->mode & 1); - if (owner) - { - mob->target_id = owner->bl.id; - mob->attacked_id = owner->bl.id; - } - break; - - case MONSTER_ATTITUDE_FROZEN: - mob->mode = 0; - break; - } - - mob->mode |= - MOB_MODE_SUMMONED | MOB_MODE_TURNS_AGAINST_BAD_MASTER; - - mob->deletetimer = add_timer (gettick () + monster_lifetime, - mob_timer_delete, mob_id, 0); - - if (owner) - { - mob->master_id = owner->bl.id; - mob->master_dist = 6; - } - } - } - - return 0; -} - -static char *get_invocation_name (env_t * env) -{ - invocation_t *invocation; - - if (VAR (VAR_INVOCATION).ty != TY_INVOCATION) - return "?"; - invocation = (invocation_t *) map_id2bl (VAR (VAR_INVOCATION).v.v_int); - - if (invocation) - return invocation->spell->name; - else - return "??"; -} - -static int op_injure (env_t * env, int args_nr, val_t * args) -{ - entity_t *caster = ARGENTITY (0); - entity_t *target = ARGENTITY (1); - int damage_caused = ARGINT (2); - int mp_damage = ARGINT (3); - int target_hp = battle_get_hp (target); - int mdef = battle_get_mdef (target); - - if (target->type == BL_PC && !map[target->m].flag.pvp && !((character_t *) target)->special_state.killable && (caster->type != BL_PC || !((character_t *) caster)->special_state.killer)) - return 0; /* Cannot damage other players outside of pvp */ - - if (target != caster) - { - /* Not protected against own spells */ - damage_caused = (damage_caused * (100 - mdef)) / 100; - mp_damage = (mp_damage * (100 - mdef)) / 100; - } - - damage_caused = (damage_caused > target_hp) ? target_hp : damage_caused; - - if (damage_caused < 0) - damage_caused = 0; - - // display damage first, because dealing damage may deallocate the target. - clif_damage (caster, target, gettick (), 0, 0, damage_caused, 0, 0, 0); - - if (caster->type == BL_PC) - { - character_t *caster_pc = (character_t *) caster; - if (target->type == BL_MOB) - { - struct mob_data *mob = (struct mob_data *) target; - - MAP_LOG_PC (caster_pc, "SPELLDMG MOB%d %d FOR %d BY %s", - mob->bl.id, mob->mob_class, damage_caused, - get_invocation_name (env)); - } - } - battle_damage (caster, target, damage_caused, mp_damage); - - return 0; -} - -static int op_emote (env_t * env, int args_nr, val_t * args) -{ - entity_t *victim = ARGENTITY (0); - int emotion = ARGINT (1); - clif_emotion (victim, emotion); - - return 0; -} - -static int op_set_script_variable (env_t * env, int args_nr, val_t * args) -{ - character_t *c = (ETY (0) == BL_PC) ? ARGPC (0) : NULL; - - if (!c) - return 1; - - pc_setglobalreg (c, ARGSTR (1), ARGINT (2)); - - return 0; -} - -static int op_set_hair_colour (env_t * env, int args_nr, val_t * args) -{ - character_t *c = (ETY (0) == BL_PC) ? ARGPC (0) : NULL; - - if (!c) - return 1; - - pc_changelook (c, LOOK_HAIR_COLOR, ARGINT (1)); - - return 0; -} - -static int op_set_hair_style (env_t * env, int args_nr, val_t * args) -{ - character_t *c = (ETY (0) == BL_PC) ? ARGPC (0) : NULL; - - if (!c) - return 1; - - pc_changelook (c, LOOK_HAIR, ARGINT (1)); - - return 0; -} - -static int op_drop_item_for (env_t * env, int args_nr, val_t * args) -{ - struct item item; - int stackable; - location_t *loc = &ARGLOCATION (0); - int count = ARGINT (2); - int time = ARGINT (3); - character_t *c = ((args_nr > 4) && (ETY (4) == BL_PC)) ? ARGPC (4) : NULL; - int delay = (args_nr > 5) ? ARGINT (5) : 0; - int delaytime[3] = { delay, delay, delay }; - character_t *owners[3] = { c, NULL, NULL }; - - GET_ARG_ITEM (1, item, stackable); - - if (stackable) - map_addflooritem_any (&item, count, loc->m, loc->x, loc->y, - owners, delaytime, time, 0); - else - while (count-- > 0) - map_addflooritem_any (&item, 1, loc->m, loc->x, loc->y, - owners, delaytime, time, 0); - - return 0; -} - -static int op_gain_exp (env_t * env, int args_nr, val_t * args) -{ - character_t *c = (ETY (0) == BL_PC) ? ARGPC (0) : NULL; - - if (!c) - return 1; - - pc_gainexp_reason (c, ARGINT (1), ARGINT (2), ARGINT (3)); - return 0; -} - -static op_t operations[] = { - {"sfx", ".ii", op_sfx}, - {"instaheal", "eii", op_instaheal}, - {"itemheal", "eii", op_itemheal}, - {"shroud", "ei", op_shroud}, - {"unshroud", "e", op_reveal}, - {"message", "es", op_message}, - {"messenger_npc", "lissi", op_messenger_npc}, - {"move", "ed", op_move}, - {"warp", "el", op_warp}, - {"banish", "e", op_banish}, - {"status_change", "eiiiiii", op_status_change}, - {"stop_status_change", "ei", op_stop_status_change}, - {"override_attack", "eiiiiii", op_override_attack}, - {"create_item", "e.i", op_create_item}, - {"aggravate", "eie", op_aggravate}, - {"spawn", "aeiiii", op_spawn}, - {"injure", "eeii", op_injure}, - {"emote", "ei", op_emote}, - {"set_script_variable", "esi", op_set_script_variable}, - {"set_hair_colour", "ei", op_set_hair_colour}, - {"set_hair_style", "ei", op_set_hair_style}, - {"drop_item", "l.ii", op_drop_item_for}, - {"drop_item_for", "l.iiei", op_drop_item_for}, - {"gain_experience", "eiii", op_gain_exp}, - {NULL, NULL, NULL} -}; - -static int operations_sorted = 0; -static int operation_count; - -int compare_operations (const void *lhs, const void *rhs) -{ - return strcmp (((op_t *) lhs)->name, ((op_t *) rhs)->name); -} - -op_t *magic_get_op (char *name, int *index) -{ - op_t key; - - if (!operations_sorted) - { - op_t *opc = operations; - - while (opc->name) - ++opc; - - operation_count = opc - operations; - - qsort (operations, operation_count, sizeof (op_t), - compare_operations); - operations_sorted = 1; - } - - key.name = name; - op_t *op = (op_t *)bsearch (&key, operations, operation_count, sizeof (op_t), - compare_operations); - - if (op && index) - *index = op - operations; - - return op; -} - -void -spell_effect_report_termination (int invocation_id, int bl_id, int sc_id, - int supplanted) -{ - int i; - int index = -1; - invocation_t *invocation = (invocation_t *) map_id2bl (invocation_id); - - if (!invocation || invocation->bl.type != BL_SPELL) - return; - - for (i = 0; i < invocation->status_change_refs_nr; i++) - { - status_change_ref_t *cr = &invocation->status_change_refs[i]; - if (cr->sc_type == sc_id && cr->bl_id == bl_id) - { - index = i; - break; - } - } - - if (index == -1) - { - entity_t *entity = map_id2bl (bl_id); - if (entity->type == BL_PC) - fprintf (stderr, - "[magic] INTERNAL ERROR: spell-effect-report-termination: tried to terminate on unexpected bl %d, sc %d\n", - bl_id, sc_id); - return; - } - - if (index == invocation->status_change_refs_nr - 1) - invocation->status_change_refs_nr--; - else /* Copy last change ref to the one we are deleting */ - invocation->status_change_refs[index] = - invocation-> - status_change_refs[--invocation->status_change_refs_nr]; - - try_to_finish_invocation (invocation); -} - -static effect_t *return_to_stack (invocation_t * invocation) -{ - if (!invocation->stack_size) - return NULL; - else - { - cont_activation_record_t *ar = - invocation->stack + (invocation->stack_size - 1); - switch (ar->ty) - { - - case CONT_STACK_PROC: - { - effect_t *ret = ar->return_location; - int i; - - for (i = 0; i < ar->c.c_proc.args_nr; i++) - { - val_t *var = - &invocation->env->vars[ar->c.c_proc.formals[i]]; - magic_clear_var (var); - *var = ar->c.c_proc.old_actuals[i]; - } - - clear_activation_record (ar); - --invocation->stack_size; - - return ret; - } - - case CONT_STACK_FOREACH: - { - int entity_id; - val_t *var = &invocation->env->vars[ar->c.c_foreach.id]; - - do - { - if (ar->c.c_foreach.index >= ar->c.c_foreach.entities_nr) - { - effect_t *ret = ar->return_location; - clear_activation_record (ar); - --invocation->stack_size; - return ret; - } - - entity_id = - ar->c.c_foreach.entities[ar->c.c_foreach.index++]; - } - while (!entity_id || !map_id2bl (entity_id)); - - magic_clear_var (var); - var->ty = ar->c.c_foreach.ty; - var->v.v_int = entity_id; - - return ar->c.c_foreach.body; - } - - case CONT_STACK_FOR: - if (ar->c.c_for.current > ar->c.c_for.stop) - { - effect_t *ret = ar->return_location; - clear_activation_record (ar); - --invocation->stack_size; - return ret; - } - - magic_clear_var (&invocation->env->vars[ar->c.c_for.id]); - invocation->env->vars[ar->c.c_for.id].ty = TY_INT; - invocation->env->vars[ar->c.c_for.id].v.v_int = - ar->c.c_for.current++; - - return ar->c.c_for.body; - - default: - fprintf (stderr, - "[magic] INTERNAL ERROR: While executing spell `%s': stack corruption\n", - invocation->spell->name); - return NULL; - } - } -} - -static cont_activation_record_t *add_stack_entry (invocation_t * invocation, - int ty, - effect_t * return_location) -{ - cont_activation_record_t *ar = - invocation->stack + invocation->stack_size++; - if (invocation->stack_size >= MAX_STACK_SIZE) - { - fprintf (stderr, - "[magic] Execution stack size exceeded in spell `%s'; truncating effect\n", - invocation->spell->name); - invocation->stack_size--; - return NULL; - } - - ar->ty = ty; - ar->return_location = return_location; - return ar; -} - -static int find_entities_in_area_c (entity_t * target, va_list va) -{ - int *entities_allocd_p = va_arg (va, int *); - int *entities_nr_p = va_arg (va, int *); - int **entities_p = va_arg (va, int **); - int filter = va_arg (va, int); - -/* The following macro adds an entity to the result list: */ -#define ADD_ENTITY(e) \ - if (*entities_nr_p == *entities_allocd_p) { \ - /* Need more space */ \ - (*entities_allocd_p) += 32; \ - RECREATE (*entities_p, int, *entities_allocd_p); \ - } \ - (*entities_p)[(*entities_nr_p)++] = e; - - switch (target->type) - { - - case BL_PC: - if (filter == FOREACH_FILTER_PC - || filter == FOREACH_FILTER_ENTITY - || (filter == FOREACH_FILTER_TARGET - && map[target->m].flag.pvp)) - break; - else if (filter == FOREACH_FILTER_SPELL) - { /* Check all spells bound to the caster */ - invocation_t *invoc = ((character_t *) target)->active_spells; - /* Add all spells locked onto thie PC */ - - while (invoc) - { - ADD_ENTITY (invoc->bl.id); - invoc = invoc->next_invocation; - } - } - return 0; - - case BL_MOB: - if (filter == FOREACH_FILTER_MOB - || filter == FOREACH_FILTER_ENTITY - || filter == FOREACH_FILTER_TARGET) - break; - else - return 0; - - case BL_SPELL: - if (filter == FOREACH_FILTER_SPELL) - { - invocation_t *invocation = (invocation_t *) target; - - /* Check whether the spell is `bound'-- if so, we'll consider it iff we see the caster (case BL_PC). */ - if (invocation->flags & INVOCATION_FLAG_BOUND) - return 0; - else - break; /* Add the spell */ - } - else - return 0; - - case BL_NPC: - if (filter == FOREACH_FILTER_NPC) - break; - else - return 0; - - default: - return 0; - } - - ADD_ENTITY (target->id); -#undef ADD_ENTITY - return 0; -} - -static void -find_entities_in_area (area_t * area, int *entities_allocd_p, - int *entities_nr_p, int **entities_p, int filter) -{ - switch (area->ty) - { - case AREA_UNION: - find_entities_in_area (area->a.a_union[0], entities_allocd_p, - entities_nr_p, entities_p, filter); - find_entities_in_area (area->a.a_union[1], entities_allocd_p, - entities_nr_p, entities_p, filter); - break; - - default: - { - int m, x, y, width, height; - magic_area_rect (&m, &x, &y, &width, &height, area); - map_foreachinarea (find_entities_in_area_c, - m, x, y, x + width, y + height, - 0 /* filter elsewhere */ , - entities_allocd_p, entities_nr_p, entities_p, - filter); - } - } -} - -static effect_t *run_foreach (invocation_t * invocation, effect_t * foreach, - effect_t * return_location) -{ - val_t area; - int filter = foreach->e.e_foreach.filter; - int id = foreach->e.e_foreach.id; - effect_t *body = foreach->e.e_foreach.body; - - magic_eval (invocation->env, &area, foreach->e.e_foreach.area); - - if (area.ty != TY_AREA) - { - magic_clear_var (&area); - fprintf (stderr, - "[magic] Error in spell `%s': FOREACH loop over non-area\n", - invocation->spell->name); - return return_location; - } - else - { - cont_activation_record_t *ar = - add_stack_entry (invocation, CONT_STACK_FOREACH, return_location); - int entities_allocd = 64; - int *entities_collect; - int *entities; - int *shuffle_board; - int entities_nr = 0; - int i; - - if (!ar) - return return_location; - - CREATE (entities_collect, int, entities_allocd); - - find_entities_in_area (area.v.v_area, &entities_allocd, &entities_nr, - &entities_collect, filter); - - /* Now shuffle */ - CREATE (shuffle_board, int, entities_nr); - CREATE (entities, int, entities_nr); - for (i = 0; i < entities_nr; i++) - shuffle_board[i] = i; - - for (i = entities_nr - 1; i >= 0; i--) - { - int random_index = rand () % (i + 1); - entities[i] = entities_collect[shuffle_board[random_index]]; - shuffle_board[random_index] = shuffle_board[i]; // thus, we are guaranteed only to use unused indices - } - - free (entities_collect); - free (shuffle_board); - /* Done shuffling */ - - ar->c.c_foreach.id = id; - ar->c.c_foreach.body = body; - ar->c.c_foreach.index = 0; - ar->c.c_foreach.entities_nr = entities_nr; - ar->c.c_foreach.entities = entities; - ar->c.c_foreach.ty = - (filter == FOREACH_FILTER_SPELL) ? TY_INVOCATION : TY_ENTITY; - - magic_clear_var (&area); - - return return_to_stack (invocation); - } -} - -static effect_t *run_for (invocation_t * invocation, effect_t * for_, - effect_t * return_location) -{ - cont_activation_record_t *ar; - int id = for_->e.e_for.id; - val_t start; - val_t stop; - - magic_eval (invocation->env, &start, for_->e.e_for.start); - magic_eval (invocation->env, &stop, for_->e.e_for.stop); - - if (start.ty != TY_INT || stop.ty != TY_INT) - { - magic_clear_var (&start); - magic_clear_var (&stop); - fprintf (stderr, - "[magic] Error in spell `%s': FOR loop start or stop point is not an integer\n", - invocation->spell->name); - return return_location; - } - - ar = add_stack_entry (invocation, CONT_STACK_FOR, return_location); - - if (!ar) - return return_location; - - ar->c.c_for.id = id; - ar->c.c_for.current = start.v.v_int; - ar->c.c_for.stop = stop.v.v_int; - ar->c.c_for.body = for_->e.e_for.body; - - return return_to_stack (invocation); -} - -static effect_t *run_call (invocation_t * invocation, - effect_t * return_location) -{ - effect_t *current = invocation->current_effect; - cont_activation_record_t *ar; - int args_nr = current->e.e_call.args_nr; - int *formals = current->e.e_call.formals; - val_t *old_actuals; - CREATE (old_actuals, val_t, args_nr); - int i; - - ar = add_stack_entry (invocation, CONT_STACK_PROC, return_location); - ar->c.c_proc.args_nr = args_nr; - ar->c.c_proc.formals = formals; - ar->c.c_proc.old_actuals = old_actuals; - for (i = 0; i < args_nr; i++) - { - val_t *env_val = &invocation->env->vars[formals[i]]; - val_t result; - magic_copy_var (&old_actuals[i], env_val); - magic_eval (invocation->env, &result, current->e.e_call.actuals[i]); - *env_val = result; - } - - return current->e.e_call.body; -} - -#ifdef DEBUG -static void print_cfg (int i, effect_t * e) -{ - int j; - for (j = 0; j < i; j++) - printf (" "); - - printf ("%p: ", e); - - if (!e) - { - puts (" -- end --"); - return; - } - - switch (e->ty) - { - case EFFECT_SKIP: - puts ("SKIP"); - break; - case EFFECT_END: - puts ("END"); - break; - case EFFECT_ABORT: - puts ("ABORT"); - break; - case EFFECT_ASSIGN: - puts ("ASSIGN"); - break; - case EFFECT_FOREACH: - puts ("FOREACH"); - print_cfg (i + 1, e->e.e_foreach.body); - break; - case EFFECT_FOR: - puts ("FOR"); - print_cfg (i + 1, e->e.e_for.body); - break; - case EFFECT_IF: - puts ("IF"); - for (j = 0; j < i; j++) - printf (" "); - puts ("THEN"); - print_cfg (i + 1, e->e.e_if.true_branch); - for (j = 0; j < i; j++) - printf (" "); - puts ("ELSE"); - print_cfg (i + 1, e->e.e_if.false_branch); - break; - case EFFECT_SLEEP: - puts ("SLEEP"); - break; - case EFFECT_SCRIPT: - puts ("SCRIPT"); - break; - case EFFECT_BREAK: - puts ("BREAK"); - break; - case EFFECT_OP: - puts ("OP"); - break; - } - print_cfg (i, e->next); -} -#endif - -/** - * Execute a spell invocation until we abort, finish, or hit the next `sleep'. - * - * Use spell_execute() to automate handling of timers - * - * Returns: 0 if finished (all memory is freed implicitly) - * >1 if we hit `sleep'; the result is the number of ticks we should sleep for. - * -1 if we paused to wait for a user action (via script interaction) - */ -static int spell_run (invocation_t * invocation, int allow_delete) -{ - const int invocation_id = invocation->bl.id; -#define REFRESH_INVOCATION invocation = (invocation_t *) map_id2bl(invocation_id); if (!invocation) return 0; - -#ifdef DEBUG - fprintf (stderr, "Resuming execution: invocation of `%s'\n", - invocation->spell->name); - print_cfg (1, invocation->current_effect); -#endif - while (invocation->current_effect) - { - effect_t *e = invocation->current_effect; - effect_t *next = e->next; - int i; - -#ifdef DEBUG - fprintf (stderr, "Next step of type %d\n", e->ty); - dump_env (invocation->env); -#endif - - switch (e->ty) - { - case EFFECT_SKIP: - break; - - case EFFECT_ABORT: - invocation->flags |= INVOCATION_FLAG_ABORTED; - invocation->end_effect = NULL; - case EFFECT_END: - clear_stack (invocation); - next = NULL; - break; - - case EFFECT_ASSIGN: - magic_eval (invocation->env, - &invocation->env->vars[e->e.e_assign.id], - e->e.e_assign.expr); - break; - - case EFFECT_FOREACH: - next = run_foreach (invocation, e, next); - break; - - case EFFECT_FOR: - next = run_for (invocation, e, next); - break; - - case EFFECT_IF: - if (magic_eval_int (invocation->env, e->e.e_if.cond)) - next = e->e.e_if.true_branch; - else - next = e->e.e_if.false_branch; - break; - - case EFFECT_SLEEP: - { - int sleeptime = - magic_eval_int (invocation->env, e->e.e_sleep); - invocation->current_effect = next; - if (sleeptime > 0) - return sleeptime; - break; - } - - case EFFECT_SCRIPT: - { - character_t *caster = - (character_t *) map_id2bl (invocation->caster); - if (caster) - { - env_t *env = invocation->env; - character_t *caster = - (character_t *) map_id2bl (invocation->caster); - argrec_t arg[] = { {"@target",.v.i = - VAR (VAR_TARGET).ty == - TY_ENTITY ? 0 : VAR (VAR_TARGET). - v.v_int} - , - {"@caster",.v.i = invocation->caster} - , - {"@caster_name$",.v.s = caster ? caster->status.name : ""} - }; - int message_recipient = - VAR (VAR_SCRIPTTARGET).ty == - TY_ENTITY ? VAR (VAR_SCRIPTTARGET). - v.v_int : invocation->caster; - character_t *recipient = - (character_t *) map_id2bl (message_recipient); - - if (recipient->npc_id - && recipient->npc_id != invocation->bl.id) - break; /* Don't send multiple message boxes at once */ - - if (!invocation->script_pos) // first time running this script? - clif_spawn_fake_npc_for_player (recipient, - invocation->bl.id); - // We have to do this or otherwise the client won't think that it's - // dealing with an NPC - - int newpos = run_script_l (e->e.e_script, - invocation->script_pos, - message_recipient, - invocation->bl.id, - 3, arg); - /* Returns the new script position, or -1 once the script is finished */ - if (newpos != -1) - { - /* Must set up for continuation */ - recipient->npc_id = invocation->bl.id; - recipient->npc_pos = invocation->script_pos = newpos; - return -1; /* Signal `wait for script' */ - } - else - invocation->script_pos = 0; - clif_clearchar_id (invocation->bl.id, 1, caster->fd); - } - REFRESH_INVOCATION; // Script may have killed the caster - break; - } - - case EFFECT_BREAK: - next = return_to_stack (invocation); - break; - - case EFFECT_OP: - { - op_t *op = &operations[e->e.e_op.id]; - val_t args[MAX_ARGS]; - - for (i = 0; i < e->e.e_op.args_nr; i++) - magic_eval (invocation->env, &args[i], e->e.e_op.args[i]); - - if (!magic_signature_check ("effect", op->name, op->signature, - e->e.e_op.args_nr, args, - e->e.e_op.line_nr, - e->e.e_op.column)) - op->op (invocation->env, e->e.e_op.args_nr, args); - - for (i = 0; i < e->e.e_op.args_nr; i++) - magic_clear_var (&args[i]); - - REFRESH_INVOCATION; // Effect may have killed the caster - break; - } - - case EFFECT_CALL: - next = run_call (invocation, next); - break; - - default: - fprintf (stderr, - "[magic] INTERNAL ERROR: Unknown effect %d\n", - e->ty); - } - - if (!next) - next = return_to_stack (invocation); - - invocation->current_effect = next; - } - - if (allow_delete) - try_to_finish_invocation (invocation); - return 0; -#undef REFRESH_INVOCATION -} - -extern void spell_update_location (invocation_t * invocation); - -void spell_execute_d (invocation_t * invocation, int allow_deletion) -{ - int delta; - - spell_update_location (invocation); - delta = spell_run (invocation, allow_deletion); - - if (delta > 0) - { - if (invocation->timer) - { - fprintf (stderr, - "[magic] FATAL ERROR: Trying to add multiple timers to the same spell! Already had timer: %d\n", - invocation->timer); - /* *((int *)0x0) = 0; */ - } - invocation->timer = add_timer (gettick () + delta, - &invocation_timer_callback, - invocation->bl.id, 0); - } - - /* If 0, the script cleaned itself. If -1 (wait-for-script), we must wait for the user. */ -} - -void spell_execute (invocation_t * invocation) -{ - spell_execute_d (invocation, 1); -} - -void spell_execute_script (invocation_t * invocation) -{ - if (invocation->script_pos) - spell_execute_d (invocation, 1); - /* Otherwise the script-within-the-spell has been terminated by some other means. - * In practice this happens when the script doesn't wait for user input: the client - * may still notify the server that it's done. Without the above check, we'd be - * running the same spell twice! */ -} - -int spell_attack (int caster_id, int target_id) -{ - character_t *caster = (character_t *) map_id2bl (caster_id); - invocation_t *invocation; - int stop_attack = 0; - - if (!caster) - return 0; - - invocation = (invocation_t *) map_id2bl (caster->attack_spell_override); - - if (invocation && invocation->flags & INVOCATION_FLAG_STOPATTACK) - stop_attack = 1; - - if (invocation && caster->attack_spell_charges > 0) - { - magic_clear_var (&invocation->env->vars[VAR_TARGET]); - invocation->env->vars[VAR_TARGET].ty = TY_ENTITY; - invocation->env->vars[VAR_TARGET].v.v_int = target_id; - - invocation->current_effect = invocation->trigger_effect; - invocation->flags &= ~INVOCATION_FLAG_ABORTED; - spell_execute_d (invocation, - 0 /* don't delete the invocation if done */ ); - - // If the caster died, we need to refresh here: - invocation = - (invocation_t *) map_id2bl (caster->attack_spell_override); - - if (invocation && !(invocation->flags & INVOCATION_FLAG_ABORTED)) // If we didn't abort: - caster->attack_spell_charges--; - } - - if (invocation && caster->attack_spell_override != invocation->bl.id) - { - /* Attack spell changed / was refreshed */ - // spell_free_invocation(invocation); // [Fate] This would be a double free. - } - else if (!invocation || caster->attack_spell_charges <= 0) - { - caster->attack_spell_override = 0; - char_set_weapon_icon (caster, 0, 0, 0); - char_set_attack_info (caster, 0, 0); - - if (stop_attack) - pc_stopattack (caster); - - if (invocation) - spell_free_invocation (invocation); - } - - return 1; -} |