pets.cpp File Reference

#include "global.h"
#include <assert.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "sproto.h"

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Functions
static object *	choose_cult_monster (object *pl, const object *god, int summon_level)
	Returns a monster (chosen at random) that this particular player (and his god) find acceptable. More...
static object *	fix_summon_pet (archetype *at, object *op, int dir)
	This makes multisquare/single square monsters proper for map insertion. More...
static object *	get_real_owner (object *ob)
	Recursively look through the owner property of objects until the real owner is found. More...
static void	mark_inventory_as_no_drop (object *ob)
	Mark all inventory items as FLAG_NO_DROP. More...
void	pets_attempt_follow (object *for_owner, int force)
	Check pets so they try to follow their master around the world. More...
void	pets_control_golem (object *op, int dir)
	Makes the golem go in specified direction. More...
void	pets_follow_owner (object *ob, object *owner)
	A pet is trying to follow its owner. More...
object *	pets_get_enemy (object *pet, rv_vector *rv)
	Given that 'pet' is a friendly object, this function returns a monster the pet should attack, NULL if nothing appropriate is found. More...
void	pets_move (object *ob)
	Handles a pet's movement. More...
void	pets_move_golem (object *op)
	Handles a golem's movement. More...
int	pets_should_arena_attack (object *pet, object *owner, object *target)
	Determines if checks so pets don't attack players or other pets should be overruled by the arena petmode. More...
int	pets_summon_golem (object *op, object *caster, int dir, object *spob)
	Summons a monster. More...
int	pets_summon_object (object *op, object *caster, object *spell_ob, int dir, const char *stringarg)
	General purpose summoning function. More...
void	pets_terminate_all (object *owner)
	Removes all pets someone owns. More...

Detailed Description

Those functions deal with pets.

Definition in file pets.cpp.

Function Documentation

choose_cult_monster()

static object* choose_cult_monster ( object *  pl, const object *  god, int  summon_level  )

static

Returns a monster (chosen at random) that this particular player (and his god) find acceptable.

This checks level, races allowed by god, etc to determine what is acceptable.

Parameters

pl	player summoning.
god	god the player worships.
summon_level	summoning level.

Returns

suitable monster, or NULL if no match found, after informing the player.

Definition at line 819 of file pets.cpp.

References buf, draw_ext_info_format(), MAX_BUF, MSG_TYPE_SPELL, MSG_TYPE_SPELL_FAILURE, object::name, NDI_UNIQUE, object::race, races_get_random_monster(), rndm(), and safe_strncpy.

Referenced by pets_summon_object().

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fix_summon_pet()

static object* fix_summon_pet ( archetype *  at, object *  op, int  dir  )

static

This makes multisquare/single square monsters proper for map insertion.

Parameters

at	archetype to prepare.
op	caster of the spell
dir	direction the monster should be placed in.

Returns

suitable golem.

Definition at line 434 of file pets.cpp.

References add_friendly_object(), object::arch, arch_to_object(), AT_DRAIN, AT_GHOSTHIT, AT_PHYSICAL, object::attack_movement, CLEAR_FLAG, archetype::clone, create_treasure(), object::direction, object::enemy, living::exp, FLAG_CHANGING, FLAG_FRIENDLY, FLAG_GENERATOR, FLAG_MONSTER, FLAG_SPLITTING, FLAG_STAND_STILL, freearr_x, freearr_y, GOLEM, GT_STARTEQUIP, object::head, object::invisible, llevError, LOG(), object::map, mark_inventory_as_no_drop(), monster_check_apply_all(), object::more, archetype::more, object::move_type, MOVE_WALK, object::name, archetype::name, object_get_owner(), object_set_enemy(), object_set_owner(), PETMOVE, PLAYER, QUERY_FLAG, SET_FLAG, object::speed_left, object::stats, object::type, object::x, and object::y.

Referenced by pets_summon_golem().

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get_real_owner()

static object* get_real_owner ( object *  ob )

static

Recursively look through the owner property of objects until the real owner is found.

Parameters

ob	item we're searching the owner of.

Returns

owner, NULL if nothing found.

Definition at line 1059 of file pets.cpp.

References object_get_owner().

Referenced by pets_should_arena_attack().

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mark_inventory_as_no_drop()

static void mark_inventory_as_no_drop ( object *  ob )

static

Mark all inventory items as FLAG_NO_DROP.

Parameters

ob	the object to modify.

Definition at line 34 of file pets.cpp.

References FLAG_NO_DROP, FOR_INV_FINISH, FOR_INV_PREPARE, and SET_FLAG.

Referenced by fix_summon_pet(), and pets_summon_object().

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pets_attempt_follow()

void pets_attempt_follow	(	object *	for_owner,
		int	force
	)

Check pets so they try to follow their master around the world.

Parameters

for_owner	if NULL, check all pets, else only pets for this owner.
force	if non zero, then forcibly move the pet close to its owner. If zero then only check pets if they are not on the same map, as computed by on_same_map(), as their owner.

Definition at line 249 of file pets.cpp.

References FABS, FLAG_FRIENDLY, FLAG_REMOVED, free_objectlink(), get_friends_of(), list, llevMonster, LOG(), MIN_ACTIVE_SPEED, object_free_drop_inventory(), object_get_owner(), on_same_map(), pets_follow_owner(), PLAYER, QUERY_FLAG, and remove_friendly_object().

Referenced by enter_map(), swap_map(), teleport(), and transfer_ob().

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pets_control_golem()

void pets_control_golem	(	object *	op,
		int	dir
	)

Makes the golem go in specified direction.

This is a really stupid function when you get down and look at it. Keep it here for the time being - makes life easier if we ever decide to do more interesting thing with controlled golems.

Parameters

op	golem.
dir	desired direction.

Todo:

trash.

Definition at line 630 of file pets.cpp.

References object::direction.

Referenced by animate_weapon(), and fire().

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pets_follow_owner()

void pets_follow_owner	(	object *	ob,
		object *	owner
	)

A pet is trying to follow its owner.

Parameters

ob	pet trying to follow. Will be object_remove()'d if can't follow.
owner	owner of ob.

Definition at line 284 of file pets.cpp.

References draw_ext_info, FLAG_REMOVED, freearr_x, freearr_y, mapstruct::in_memory, llevError, llevMonster, LOG(), object::map, MAP_IN_MEMORY, MSG_TYPE_SPELL, MSG_TYPE_SPELL_PET, object::name, NDI_UNIQUE, object_find_free_spot(), object_insert_in_map_at(), object_remove(), PLAYER, QUERY_FLAG, SIZEOFFREE, object::type, object::x, and object::y.

Referenced by monster_move(), pets_attempt_follow(), and pets_move().

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pets_get_enemy()

object* pets_get_enemy	(	object *	pet,
		rv_vector *	rv
	)

Given that 'pet' is a friendly object, this function returns a monster the pet should attack, NULL if nothing appropriate is found.

it basically looks for nasty things around the owner of the pet to attack. This is now tilemap aware.

Parameters

	pet	who is seeking an enemy.
[out]	rv	will contain the path to the enemy.

Returns

enemy, or NULL if nothing suitable.

Definition at line 54 of file pets.cpp.

References object::attack_movement, object::attacked_by, object::attacked_by_count, CLEAR_FLAG, object::contr, object::count, FLAG_ALIVE, FLAG_CONFUSED, FLAG_FRIENDLY, FLAG_UNAGGRESSIVE, FOR_MAP_FINISH, FOR_MAP_PREPARE, freearr_x, freearr_y, get_map_flags(), get_rangevector(), get_search_arr(), HEAD, object::map, monster_can_detect_enemy(), monster_can_see_enemy(), monster_check_enemy(), monster_find_nearest_enemy(), object_get_owner(), object_set_enemy(), on_same_map(), P_IS_ALIVE, P_OUT_OF_MAP, pet_defend, pet_sad, player::petmode, PETMOVE, pets_should_arena_attack(), PLAYER, QUERY_FLAG, remove_friendly_object(), SIZEOFFREE, object::type, object::x, and object::y.

Referenced by monster_find_enemy().

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pets_move()

void pets_move

(

object *

ob

)

Handles a pet's movement.

Parameters

ob	pet to move.

Definition at line 317 of file pets.cpp.

References absdir(), object::contr, object::count, object::direction, rv_vector::direction, draw_ext_info, object::enemy, FLAG_ALIVE, FLAG_FRIENDLY, FLAG_UNAGGRESSIVE, FOR_MAP_FINISH, FOR_MAP_PREPARE, freearr_x, freearr_y, get_map_flags(), get_map_from_coord(), GET_MAP_MOVE_BLOCK, get_random_dir(), get_rangevector(), HEAD, llevMonster, LOG(), m, object::map, object::more, move_ob(), MSG_SUBTYPE_NONE, MSG_TYPE_MISC, NDI_UNIQUE, OB_TYPE_MOVE_BLOCK, object_free_drop_inventory(), object_get_owner(), object_remove(), object_set_enemy(), object_was_destroyed, on_same_map(), P_OUT_OF_MAP, pet_sad, player::petmode, pets_follow_owner(), PLAYER, QUERY_FLAG, RANDOM, remove_friendly_object(), object::type, object::x, and object::y.

Referenced by monster_move_no_enemy().

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pets_move_golem()

void pets_move_golem

(

object *

op

)

Handles a golem's movement.

Updated this to allow more than the golem 'head' to attack.

Parameters

op	golem to be moved.

Definition at line 519 of file pets.cpp.

References attack_ob(), object::contr, object::count, object::direction, DIRX, DIRY, draw_ext_info, draw_ext_info_format(), FLAG_ALIVE, FLAG_MONSTER, FOR_MAP_FINISH, FOR_MAP_PREPARE, get_map_flags(), player::golem_count, object::head, living::hp, llevDebug, LOG(), m, object::map, object::more, move_ob(), object::msg, MSG_TYPE_SPELL, MSG_TYPE_SPELL_PET, object::name, NDI_UNIQUE, object_free_drop_inventory(), object_get_owner(), object_remove(), object_update(), object_was_destroyed, P_OUT_OF_MAP, QUERY_FLAG, object::race, range_golem, player::ranges, remove_friendly_object(), object::stats, UP_OBJ_FACE, object::x, and object::y.

Referenced by legacy_ob_process().

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pets_should_arena_attack()

int pets_should_arena_attack	(	object *	pet,
		object *	owner,
		object *	target
	)

Determines if checks so pets don't attack players or other pets should be overruled by the arena petmode.

Parameters

pet	pet considered.
owner	pet's owner.
target	potential pet target.

Return values

0	pet shouldn't attack target.
1	target is a suitable victim for the pet.

Definition at line 1086 of file pets.cpp.

References object::contr, get_real_owner(), llevError, LOG(), op_on_battleground(), player::party, pet_arena, player::petmode, PLAYER, and object::type.

Referenced by monster_check_enemy(), and pets_get_enemy().

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pets_summon_golem()

int pets_summon_golem	(	object *	op,
		object *	caster,
		int	dir,
		object *	spob
	)

Summons a monster.

Parameters

op	who is summoning.
caster	object casting the spell.
dir	direction to place the monster.
spob	spell object casting. At this stage, all spob is really used for is to adjust some values in the monster.

Return values

0	failed to summon something.
1	summoned correctly something.

Definition at line 651 of file pets.cpp.

References add_friendly_object(), add_string(), AT_PHYSICAL, object::attack_movement, object::attacktype, buf, caster_level(), archetype::clone, object::contr, object::count, living::dam, determine_god(), determine_holy_arch(), object::direction, draw_ext_info, draw_ext_info_format(), object::duration, living::exp, FABS, find_god(), fix_summon_pet(), FLAG_FRIENDLY, FLAG_MONSTER, FREE_AND_CLEAR_STR, free_string(), freearr_x, freearr_y, GOLEM, player::golem_count, living::hp, llevError, LOG(), object::map, MAX, MAX_BUF, living::maxgrace, living::maxhp, MIN, object::more, MSG_TYPE_SPELL, MSG_TYPE_SPELL_FAILURE, MSG_TYPE_SPELL_PET, object::name, NDI_UNIQUE, ob_blocked(), object_find_free_spot(), object_free_drop_inventory(), object_get_owner(), object_insert_in_map_at(), object_remove(), object_set_owner(), object::other_arch, PETMOVE, PLAYER, QUERY_FLAG, object::race, range_golem, player::ranges, object::resist, SET_FLAG, set_spell_skill(), player::shoottype, SIZEOFFREE1, object::slaying, living::sp, SP_level_dam_adjust(), SP_level_duration_adjust(), SP_level_range_adjust(), SP_level_wc_adjust(), object::speed, object::speed_left, object::stats, object::type, living::wc, object::x, and object::y.

Referenced by cast_spell().

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pets_summon_object()

int pets_summon_object	(	object *	op,
		object *	caster,
		object *	spell_ob,
		int	dir,
		const char *	stringarg
	)

General purpose summoning function.

Parameters

op	who is summoning.
caster	what object did cast the summoning spell.
spell_ob	actual spell object for summoning.
dir	direction to summon in.
stringarg	additional parameters.

Return values

0	nothing was summoned.
1	something was summoned.

Definition at line 872 of file pets.cpp.

References absdir(), add_friendly_object(), object::arch, arch_to_object(), object::attack_movement, caster_level(), choose_cult_monster(), CLEAR_FLAG, archetype::clone, create_treasure(), living::dam, determine_god(), die_roll(), object::direction, draw_ext_info, draw_ext_info_format(), object::enemy, find_god(), FLAG_FRIENDLY, FLAG_MONSTER, FLAG_SLEEP, freearr_x, freearr_y, freedir, GT_STARTEQUIP, treasure::item, treasurelist::items, object::level, level, llevError, LOG(), object::map, mark_inventory_as_no_drop(), MIN_ACTIVE_SPEED, monster_check_apply_all(), object::more, archetype::more, MSG_TYPE_SPELL, MSG_TYPE_SPELL_FAILURE, treasurelist::name, object::name, archetype::name, NDI_UNIQUE, treasure::next, treasure::nrof, ob_blocked(), object_find_free_spot(), object_get_owner(), object_insert_in_map_at(), object_set_enemy(), object_set_owner(), object::other_arch, PLAYER, PREFER_HIGH, QUERY_FLAG, object::race, RANDOM, random_roll(), object::randomitems, SET_FLAG, set_spell_skill(), SIZEOFFREE, SP_level_dam_adjust(), object::stats, object::type, object::x, and object::y.

Referenced by cast_spell().

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pets_terminate_all()

void pets_terminate_all

(

object *

owner

)

Removes all pets someone owns.

Parameters

owner

player we wish to remove all pets of.

Definition at line 225 of file pets.cpp.

References FLAG_REMOVED, free_objectlink(), get_friends_of(), objectlink::next, objectlink::ob, object_free_drop_inventory(), object_remove(), QUERY_FLAG, and remove_friendly_object().

Referenced by apply_savebed(), command_kill_pets(), key_confirm_quit(), leave(), and save_player().

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