ob_methods.c File Reference

#include <global.h>
#include <ob_methods.h>
#include <ob_types.h>
#include <sproto.h>

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Functions
method_ret	ob_apply (object *op, object *applier, int aflags)
char *	ob_describe (const object *op, const object *observer, char *buf, size_t size)
method_ret	ob_move_on (object *op, object *victim, object *originator)
method_ret	ob_process (object *op)
method_ret	ob_trigger (object *op, object *cause, int state)

Detailed Description

Those functions deal with the object/type system.

Definition in file ob_methods.c.

Function Documentation

method_ret ob_apply	(	object *	op,
		object *	applier,
		int	aflags
	)

Applies an object.

Parameters

op	The object to apply
applier	The object that executes the apply action
aflags	Special (always apply/unapply) flags

Return values

0	A player or monster can't apply objects of that type
1	has been applied, or there was an error applying the object
2	objects of that type can't be applied if not in inventory

Definition at line 59 of file ob_methods.c.

References ob_methods::apply, ob_methods::fallback, METHOD_UNHANDLED, obj::type, and type_methods.

Referenced by enter_exit(), manual_apply(), monster_use_scroll(), player_apply_below(), and thrown_item_effect().

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char* ob_describe	(	const object *	op,
		const object *	observer,
		char *	buf,
		size_t	size
	)

Returns the description of an object, as seen by the given observer.

Parameters

op	The object to describe
observer	The object to which the description is made
buf	Buffer that will contain the description
size	Size of buf

Returns

buf.

Definition at line 102 of file ob_methods.c.

References ob_methods::describe, ob_methods::fallback, obj::type, and type_methods.

Referenced by book_type_apply(), cast_identify(), do_skill_ident2(), examine(), and identify_altar_type_move_on().

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method_ret ob_move_on	(	object *	op,
		object *	victim,
		object *	originator
	)

Makes an object move on top of another one.

Parameters

op	The object over which to move
victim	The object moving over op
originator	The object that is the cause of the move

Return values

METHOD_UNHANDLED

if the process method does not exist for that object

Definition at line 122 of file ob_methods.c.

References ob_methods::fallback, METHOD_UNHANDLED, ob_methods::move_on, obj::type, and type_methods.

Referenced by check_move_on(), move_hole(), and remove_ob().

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method_ret ob_process

(

object *

op

)

Processes an object, giving it the opportunity to move or react. Note: The return value of ob_process doesn't seem to be used anymore.

Parameters

op	The object to process

Return values

METHOD_UNHANDLED

if the process method does not exist for that objec,

Definition at line 79 of file ob_methods.c.

References ob_methods::fallback, METHOD_UNHANDLED, ob_methods::process, obj::type, and type_methods.

Referenced by animate_bomb(), do_throw(), fire_arch_from_position(), fire_bolt(), fire_bow(), and process_object().

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method_ret ob_trigger	(	object *	op,
		object *	cause,
		int	state
	)

An object is triggered by another one.

Parameters

op	The object being triggered
cause	The object that is the cause of the trigger
state	trigger state, 0 for released, other for pushed

Return values

METHOD_UNHANDLED

if the process method does not exist for that object

Todo:

check the exact state values/meaning

Definition at line 144 of file ob_methods.c.

References ob_methods::fallback, METHOD_UNHANDLED, ob_methods::trigger, obj::type, and type_methods.

Referenced by trigger_connected().

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