types/monster.c File Reference

#include <global.h>

Go to the source code of this file.

Defines
#define	MAX_KNOWN_SPELLS   20
Functions
static int	can_detect_enemy (object *op, object *enemy, rv_vector *rv)
static object *	find_nearest_enemy (object *ob)
static int	move_randomly (object *op)
static int	can_hit (object *ob1, rv_vector *rv)
static object *	monster_choose_random_spell (object *monster, uint32 flags)
static int	monster_cast_spell (object *head, object *part, int dir, rv_vector *rv, uint32 flags)
static int	monster_use_bow (object *head, object *part, int dir)
static int	dist_att (int dir, object *part, rv_vector *rv)
static int	run_att (int dir, object *ob, object *part, rv_vector *rv)
static int	hitrun_att (int dir, object *ob)
static int	wait_att (int dir, object *ob, object *part, rv_vector *rv)
static int	disthit_att (int dir, object *ob, object *part, rv_vector *rv)
static int	wait_att2 (int dir, rv_vector *rv)
static void	circ1_move (object *ob)
static void	circ2_move (object *ob)
static void	pace_movev (object *ob)
static void	pace_moveh (object *ob)
static void	pace2_movev (object *ob)
static void	pace2_moveh (object *ob)
static void	rand_move (object *ob)
static int	talk_to_wall (object *op, object *npc, char *txt)
void	set_npc_enemy (object *npc, object *enemy, rv_vector *rv)
object *	check_enemy (object *npc, rv_vector *rv)
object *	find_enemy (object *npc, rv_vector *rv)
int	move_monster (object *op)
static int	can_detect_target (object *op, object *target, int range, int srange, rv_vector *rv)
static int	monster_spell_useful (object *target, int spell_id)
void	communicate (object *op, char *txt)
static char *	find_matching_message (const char *msg, const char *match)
int	talk_to_npc (object *op, object *npc, char *txt)
int	faction_is_friend_of (object *mon, object *pl)
int	is_friend_of (object *op, object *obj)
int	check_good_weapon (object *who, object *item)
int	check_good_armour (object *who, object *item)
Variables
spell_struct	spells [NROFREALSPELLS]

---

Detailed Description

Monster memory, NPC interaction, AI, and other related functions are in this file, all used by the monster type objects.

Definition in file monster.c.

---

Function Documentation

static int can_detect_enemy	(	object *	op,
		object *	enemy,
		rv_vector *	rv
	)		[static]

Controls if monster still can see/detect its enemy.

Includes visibility but also map and area control.

Parameters:

op	The monster object.
enemy	Monster object's enemy.
rv	Range vector.

Returns:

1 if can see/detect, 0 otherwise.

Definition at line 320 of file monster.c.

static int can_detect_target	(	object *	op,
		object *	target,
		int	range,
		int	srange,
		rv_vector *	rv
	)		[static]

Check if monster can detect target (invisibility and being in range).

Parameters:

op	Monster.
target	The target to check.
range	Range this object can see.
srange	Stealth range this object can see.
rv	Range vector.

Returns:

1 if can detect target, 0 otherwise.

Definition at line 736 of file monster.c.

static int can_hit	(	object *	ob1,
		rv_vector *	rv
	)		[static]

Check if object can hit another object.

Parameters:

ob1	Monster object.
rv	Range vector.

Returns:

1 if can hit, 0 otherwise.

Definition at line 925 of file monster.c.

object* check_enemy	(	object *	npc,
		rv_vector *	rv
	)

Checks if NPC's enemy is still valid.

Parameters:

npc	The NPC object.
rv	Range vector of the enemy.

Returns:

Enemy object if valid, NULL otherwise.

Definition at line 221 of file monster.c.

int check_good_armour	(	object *	who,
		object *	item
	)

Checks if using armor 'item' would be better for 'who'.

Parameters:

who	Creature considering to apply item.
item	Item to check.

Returns:

1 if item is a better object, 0 otherwise.

Definition at line 1980 of file monster.c.

int check_good_weapon	(	object *	who,
		object *	item
	)

Checks if using weapon 'item' would be better for 'who'.

Parameters:

who	Creature considering to apply item.
item	Item to check.

Returns:

1 if item is a better object, 0 otherwise.

Definition at line 1931 of file monster.c.

static void circ1_move

(

object *

ob

)

[static]

Circle type of move.

Parameters:

ob

Monster.

Definition at line 1369 of file monster.c.

static void circ2_move

(

object *

ob

)

[static]

Different type of circle type move.

Parameters:

ob

Monster.

Definition at line 1387 of file monster.c.

void communicate	(	object *	op,
		char *	txt
	)

Communication between NPC and player.

Parameters:

op	Who is saying something.
txt	What was said.

Definition at line 1513 of file monster.c.

static int dist_att	(	int	dir,
		object *	part,
		rv_vector *	rv
	)		[static]

Monster does a distance attack.

Parameters:

dir	Direction.
part	Part of the object.
rv	Range vector.

Returns:

New direction.

Definition at line 1239 of file monster.c.

static int disthit_att	(	int	dir,
		object *	ob,
		object *	part,
		rv_vector *	rv
	)		[static]

Distance hit attack.

Parameters:

dir	Direction.
ob	Monster.
part	Part of the monster.
rv	Range vector.

Returns:

New direction.

Definition at line 1341 of file monster.c.

int faction_is_friend_of	(	object *	mon,
		object *	pl
	)

Check if player is a friend or enemy of monster's faction.

Parameters:

mon	Monster.
pl	The player.

Return values:

-1	Neutral.
0	Enemy.
1	Friend.

Definition at line 1820 of file monster.c.

object* find_enemy	(	object *	npc,
		rv_vector *	rv
	)

Tries to find an enemy for NPC. We pass the range vector since our caller will find the information useful.

Parameters:

npc	The NPC object.
rv	Range vector.

Returns:

Enemy object if found, NULL otherwise.

Definition at line 243 of file monster.c.

static char* find_matching_message	(	const char *	msg,
		const char *	match
	)		[static]

This function takes the message to be parsed in 'msg', the text to match in 'match', and returns the portion of the message.

Parameters:

msg	Message to parse.
match	Text to try to match.

Returns:

Returned portion which should be freed later, NULL if there was no match.

Definition at line 1621 of file monster.c.

static object * find_nearest_enemy

(

object *

ob

)

[static]

Finds nearest enemy for a monster.

Parameters:

ob	The monster.

Returns:

Nearest enemy, NULL if none.

Definition at line 771 of file monster.c.

static int hitrun_att	(	int	dir,
		object *	ob
	)		[static]

Hit and run type of attack.

Parameters:

dir	Direction.
ob	Monster.

Returns:

New direction.

Definition at line 1285 of file monster.c.

int is_friend_of	(	object *	op,
		object *	obj
	)

Check if object op is friend of obj.

Parameters:

op	The first object
obj	The second object to check against the first one

Returns:

1 if both objects are friends, 0 otherwise

Definition at line 1859 of file monster.c.

static int monster_cast_spell	(	object *	head,
		object *	part,
		int	dir,
		rv_vector *	rv,
		uint32	flags
	)		[static]

Tries to make a monster cast a spell.

Parameters:

head	Head of the monster.
part	Part of the monster that we use to cast.
dir	Direction to cast.
rv	Range vector describing where the enemy is. If NULL, will attempt to find a friendly object to cast the spell on.
flags	Flags the spell must have.

Returns:

1 if monster casted a spell, 0 otherwise.

Definition at line 1010 of file monster.c.

static object * monster_choose_random_spell	(	object *	monster,
		uint32	flags
	)		[static]

Choose a random spell this monster could cast.

Parameters:

monster	The monster object.
flags	Flags the spell must have.

Returns:

Random spell object, NULL if no spell found.

Definition at line 942 of file monster.c.

static int monster_spell_useful	(	object *	target,
		int	spell_id
	)		[static]

Check if it's worth it for monster to cast a spell, based on the target.

Parameters:

target	Target.
spell_id	Spell ID being checked.

Returns:

1 if it's worth it, 0 otherwise.

Definition at line 989 of file monster.c.

static int monster_use_bow	(	object *	head,
		object *	part,
		int	dir
	)		[static]

Tries to make a (part of a) monster fire a bow.

Parameters:

head	Head of the monster.
part	Part of the monster that we use to fire.
dir	Direction to cast.

Returns:

1 if monster fired something, 0 otherwise.

Definition at line 1148 of file monster.c.

int move_monster

(

object *

op

)

Monster moves its tick.

Parameters:

op	The monster.

Returns:

1 if the object has been freed, 0 otherwise.

Definition at line 362 of file monster.c.

static int move_randomly

(

object *

op

)

[static]

Randomly move a monster.

Parameters:

op	The monster object to move.

Returns:

1 if the monster was moved, 0 otherwise.

Definition at line 849 of file monster.c.

static void pace2_moveh

(

object *

ob

)

[static]

Another type of horizontal pace movement.

Parameters:

ob

Monster.

Definition at line 1469 of file monster.c.

static void pace2_movev

(

object *

ob

)

[static]

Another type of vertical pace movement.

Parameters:

ob

Monster.

Definition at line 1445 of file monster.c.

static void pace_moveh

(

object *

ob

)

[static]

Horizontal pace movement.

Parameters:

ob

Monster.

Definition at line 1425 of file monster.c.

static void pace_movev

(

object *

ob

)

[static]

Vertical pace movement.

Parameters:

ob

Monster.

Definition at line 1405 of file monster.c.

static void rand_move

(

object *

ob

)

[static]

Random movement.

Parameters:

ob

Monster.

Definition at line 1493 of file monster.c.

static int run_att	(	int	dir,
		object *	ob,
		object *	part,
		rv_vector *	rv
	)		[static]

Monster runs.

Parameters:

dir	Direction.
ob	The monster.
part	Part of the monster.
rv	Range vector.

Returns:

New direction.

Definition at line 1265 of file monster.c.

void set_npc_enemy	(	object *	npc,
		object *	enemy,
		rv_vector *	rv
	)

Update (or clear) an NPC's enemy. Perform most of the housekeeping related to switching enemies

You should always use this method to set (or clear) an NPC's enemy.

If enemy is given an aggro wp may be set up. If rv is given, it will be filled out with the vector to enemy

enemy and/or rv may be NULL.

Parameters:

npc	The NPC object we're setting enemy for.
enemy	The enemy object, NULL if we're clearing the enemy for this NPC.
rv	Range vector of the enemy.

Definition at line 72 of file monster.c.

int talk_to_npc	(	object *	op,
		object *	npc,
		char *	txt
	)

Give an object the chance to handle something being said.

Plugin hooks will be called.

Parameters:

op	Who is talking.
npc	Object to try to talk to. Can be an NPC or a MAGIC_EAR.
txt	What op is saying.

Returns:

0 if text was handled by a plugin or not handled, 1 if handled internally by the server.

Definition at line 1720 of file monster.c.

static int talk_to_wall	(	object *	op,
		object *	npc,
		char *	txt
	)		[static]

Talk to a magic ear.

Parameters:

op	Who is talking.
npc	The magic ear.
txt	Text said.

Returns:

1 if text matches something, 0 otherwise.

Definition at line 1782 of file monster.c.

static int wait_att	(	int	dir,
		object *	ob,
		object *	part,
		rv_vector *	rv
	)		[static]

Wait, and attack.

Parameters:

dir	Direction.
ob	Monster.
part	Part of the monster.
rv	Range vector.

Returns:

New direction.

Definition at line 1310 of file monster.c.

static int wait_att2	(	int	dir,
		rv_vector *	rv
	)		[static]

Wait and attack.

Parameters:

dir	Direction.
rv	Range vector.

Returns:

New direction.

Definition at line 1356 of file monster.c.

---

Variable Documentation

spell_struct spells[NROFREALSPELLS]

Array of all the spells.

Definition at line 34 of file spellist.h.