SuperTux: DartTrap Class Reference

List of all members.


Public Member Functions
	DartTrap (const Reader &reader)
void	initialize ()
	called immediately before the first call to initialize
void	activate ()
	called when the badguy has been activated.
void	active_update (float elapsed_time)
	called each frame when the badguy is activated.
HitResponse	collision_player (Player &player, const CollisionHit &hit)
	Called when the badguy collided with a player.
Protected Types
enum	State { IDLE, LOADING }
Protected Member Functions
void	load ()
	load a shot
void	fire ()
	fire a shot
Private Attributes
float	initial_delay
	time to wait before firing first shot
float	fire_delay
	reload time
int	ammo
	ammo left (-1 means unlimited)
State	state
	current state
Timer	fire_timer
	time until new shot is fired

Detailed Description

Member Enumeration Documentation

enum DartTrap::State [protected]

Enumerator:

IDLE
LOADING

Reimplemented from BadGuy.

Definition at line 34 of file darttrap.hpp.

00034              {
00035     IDLE, LOADING
00036   };

Constructor & Destructor Documentation

DartTrap::DartTrap ( const Reader & reader )

Definition at line 30 of file darttrap.cpp.

References ammo, AUTO, COLGROUP_DISABLED, BadGuy::countMe, fire_delay, lisp::Lisp::get(), IDLE, initial_delay, log_warning, SoundManager::preload(), BadGuy::set_colgroup_active(), sound_manager, BadGuy::start_dir, and state.

00030                                        :
00031   BadGuy(reader, "images/creatures/darttrap/darttrap.sprite", LAYER_TILES-1),
00032   initial_delay(0), 
00033   fire_delay(2), 
00034   ammo(-1), 
00035   state(IDLE),
00036   fire_timer()
00037 {
00038   reader.get("initial-delay", initial_delay);
00039   reader.get("fire-delay", fire_delay);
00040   reader.get("ammo", ammo);
00041   countMe = false;
00042   sound_manager->preload("sounds/dartfire.wav");
00043   if (start_dir == AUTO) log_warning << "Setting a DartTrap's direction to AUTO is no good idea" << std::endl;
00044   state = IDLE;
00045   set_colgroup_active(COLGROUP_DISABLED);
00046   if (initial_delay == 0) initial_delay = 0.1f;
00047 }

Member Function Documentation

void DartTrap::initialize ( ) [virtual]

called immediately before the first call to initialize

Reimplemented from BadGuy.

Definition at line 50 of file darttrap.cpp.

References BadGuy::dir, LEFT, and MovingSprite::sprite.

00051 {
00052   sprite->set_action(dir == LEFT ? "idle-left" : "idle-right");
00053 }

void DartTrap::activate ( ) [virtual]

called when the badguy has been activated.

(As a side effect the dir variable might have been changed so that it faces towards the player.

Reimplemented from BadGuy.

Definition at line 56 of file darttrap.cpp.

References fire_timer, initial_delay, and Timer::start().

00057 {
00058   fire_timer.start(initial_delay);
00059 }

void DartTrap::active_update ( float elapsed_time ) [virtual]

called each frame when the badguy is activated.

Reimplemented from BadGuy.

Definition at line 68 of file darttrap.cpp.

References ammo, Timer::check(), fire(), fire_delay, fire_timer, IDLE, load(), LOADING, MovingSprite::sprite, Timer::start(), and state.

00069 {
00070   if (state == IDLE) {
00071     if ((ammo != 0) && (fire_timer.check())) {
00072       if (ammo > 0) ammo--;
00073       load();
00074       fire_timer.start(fire_delay);
00075     }
00076   }
00077   if (state == LOADING) {
00078     if (sprite->animation_done()) {
00079       fire();
00080     }
00081   }
00082 }

HitResponse DartTrap::collision_player	(	Player &	player,
		const CollisionHit &	hit
	)			`[virtual]`

Called when the badguy collided with a player.

Reimplemented from BadGuy.

Definition at line 62 of file darttrap.cpp.

References ABORT_MOVE.

00063 {
00064   return ABORT_MOVE;
00065 }

void DartTrap::load ( ) [protected]

load a shot

Definition at line 85 of file darttrap.cpp.

References BadGuy::dir, LEFT, LOADING, MovingSprite::sprite, and state.

Referenced by active_update().

00086 {
00087   state = LOADING;
00088   sprite->set_action(dir == LEFT ? "loading-left" : "loading-right", 1);
00089 }

void DartTrap::fire ( ) [protected]

fire a shot

Definition at line 92 of file darttrap.cpp.

References Sector::add_object(), Sector::current(), BadGuy::dir, MovingObject::get_pos(), IDLE, LEFT, MUZZLE_Y, SoundManager::play(), RIGHT, sound_manager, MovingSprite::sprite, state, Vector::x, and Vector::y.

Referenced by active_update().

00093 {
00094   float px = get_pos().x;
00095   if (dir == RIGHT) px += 5;
00096   float py = get_pos().y;
00097   py += MUZZLE_Y;
00098 
00099   sound_manager->play("sounds/dartfire.wav", get_pos());
00100   Sector::current()->add_object(new Dart(Vector(px, py), dir, this));
00101   state = IDLE;
00102   sprite->set_action(dir == LEFT ? "idle-left" : "idle-right");
00103 }