Lantern Class Reference

Lantern. More...

#include <lantern.hpp>

Inherits Rock.

List of all members.

Public Member Functions
	Lantern (const Vector &pos)
	Lantern (const Reader &reader)
void	draw (DrawingContext &context)
	The GameObject should draw itself onto the provided DrawingContext if this function is called.
	~Lantern ()
HitResponse	collision (GameObject &other, const CollisionHit &hit)
	this function is called when the object collided with any other object
void	grab (MovingObject &object, const Vector &pos, Direction dir)
	called each frame when the object has been grabbed.
void	ungrab (MovingObject &object, Direction dir)
bool	is_open ()
	returns true if lamp is currently open
Color	get_color () const
	returns the lamp's color
Private Member Functions
void	updateColor ()
	Lantern (const Lantern &)
Lantern &	operator= (const Lantern &)
Private Attributes
Color	lightcolor
SpritePtr	lightsprite

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Detailed Description

Lantern.

A portable Light Source.

Definition at line 25 of file lantern.hpp.

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Constructor & Destructor Documentation

Lantern::Lantern

(

const Vector &

pos

)

Definition at line 42 of file lantern.cpp.

References SpriteManager::create(), GL_ONE, GL_SRC_ALPHA, lightsprite, SoundManager::preload(), sound_manager, sprite_manager, and updateColor().

                                  :
  Rock(pos, "images/objects/lantern/lantern.sprite"),
  lightcolor(0.0f, 0.0f, 0.0f),
  lightsprite()
{
  lightsprite = sprite_manager->create("images/objects/lightmap_light/lightmap_light.sprite");
  lightsprite->set_blend(Blend(GL_SRC_ALPHA, GL_ONE));
  updateColor();
  sound_manager->preload("sounds/willocatch.wav");
}

Lantern::Lantern

(

const Reader &

reader

)

Definition at line 27 of file lantern.cpp.

References SpriteManager::create(), lisp::Lisp::get(), GL_ONE, GL_SRC_ALPHA, lightcolor, lightsprite, SoundManager::preload(), sound_manager, sprite_manager, and updateColor().

                                     :
  Rock(reader, "images/objects/lantern/lantern.sprite"),
  lightcolor(1.0f, 1.0f, 1.0f),
  lightsprite()
{
  //get color from lisp
  std::vector<float> vColor;
  reader.get("color", vColor);
  lightcolor = Color(vColor);
  lightsprite = sprite_manager->create("images/objects/lightmap_light/lightmap_light.sprite");
  lightsprite->set_blend(Blend(GL_SRC_ALPHA, GL_ONE));
  updateColor();
  sound_manager->preload("sounds/willocatch.wav");
}

Lantern::~Lantern

(

)

Definition at line 53 of file lantern.cpp.

{
}

Lantern::Lantern

(

const Lantern &

)

[private]

---

Member Function Documentation

void Lantern::draw

(

DrawingContext &

context

)

[virtual]

The GameObject should draw itself onto the provided DrawingContext if this function is called.

Reimplemented from MovingSprite.

Definition at line 70 of file lantern.cpp.

References MovingSprite::draw(), MovingObject::get_bbox(), DrawingContext::LIGHTMAP, lightsprite, DrawingContext::pop_target(), DrawingContext::push_target(), and DrawingContext::set_target().

                                    {
  //Draw the Sprite.
  MovingSprite::draw(context);
  //Let there be light.
  context.push_target();
  context.set_target(DrawingContext::LIGHTMAP);

  lightsprite->draw(context, get_bbox().get_middle(), 0);

  context.pop_target();
}

HitResponse Lantern::collision	(	GameObject &	other,
		const CollisionHit &	hit
	)			[virtual]

this function is called when the object collided with any other object

Reimplemented from Rock.

Definition at line 82 of file lantern.cpp.

References Rock::collision(), TreeWillOWisp::get_color(), is_open(), lightcolor, SoundManager::play(), sound_manager, updateColor(), TreeWillOWisp::vanish(), and WillOWisp::vanish().

                                                                         {
  if (is_open()) {
    WillOWisp* wow = dynamic_cast<WillOWisp*>(&other);
    if (wow) {
      // collided with WillOWisp while grabbed and unlit
      sound_manager->play("sounds/willocatch.wav");
      lightcolor = Color(0,1,0);
      updateColor();
      wow->vanish();
    }
    TreeWillOWisp* twow = dynamic_cast<TreeWillOWisp*>(&other);
    if (twow) {
      // collided with TreeWillOWisp while grabbed and unlit
      sound_manager->play("sounds/willocatch.wav");
      lightcolor = twow->get_color();
      updateColor();
      twow->vanish();
    }
  }
  return Rock::collision(other, hit);
}

void Lantern::grab	(	MovingObject &	object,
		const Vector &	pos,
		Direction	dir
	)			[virtual]

called each frame when the object has been grabbed.

Reimplemented from Rock.

Definition at line 105 of file lantern.cpp.

References Rock::grab(), is_open(), and MovingSprite::sprite.

Referenced by GhostTree::collision().

{
  Rock::grab(object, pos, dir);

  // if lantern is not lit, draw it as opened
  if (is_open()) {
    sprite->set_action("off-open");
  }

}

void Lantern::ungrab	(	MovingObject &	object,
		Direction	dir
	)			[virtual]

Reimplemented from Rock.

Definition at line 117 of file lantern.cpp.

References is_open(), MovingSprite::sprite, and Rock::ungrab().

{
  // if lantern is not lit, it was drawn as opened while grabbed. Now draw it as closed again
  if (is_open()) {
    sprite->set_action("off");
  }

  Rock::ungrab(object, dir);
}

bool Lantern::is_open

(

)

returns true if lamp is currently open

Definition at line 128 of file lantern.cpp.

References Color::blue, Rock::grabbed, Color::green, lightcolor, and Color::red.

Referenced by WillOWisp::collides(), TreeWillOWisp::collides(), collision(), grab(), and ungrab().

{
  return ((grabbed) && lightcolor.red == 0 && lightcolor.green == 0 && lightcolor.blue == 0);
}

Color Lantern::get_color

(

)

const [inline]

returns the lamp's color

Definition at line 46 of file lantern.hpp.

References lightcolor.

Referenced by GhostTree::collision().

                          {
    return lightcolor;
  }

void Lantern::updateColor

(

)

[private]

Definition at line 58 of file lantern.cpp.

References Color::blue, Color::green, lightcolor, lightsprite, Color::red, and MovingSprite::sprite.

Referenced by collision(), and Lantern().

                    {
  lightsprite->set_color(lightcolor);
  //Turn lantern off if light is black
  if(lightcolor.red == 0 && lightcolor.green == 0 && lightcolor.blue == 0){
    sprite->set_action("off");
  } else {
    sprite->set_action("normal");
    sprite->set_color(lightcolor);
  }
}

Lantern& Lantern::operator=

(

const Lantern &

)

[private]

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Member Data Documentation

Color Lantern::lightcolor [private]

Definition at line 51 of file lantern.hpp.

Referenced by collision(), get_color(), is_open(), Lantern(), and updateColor().

SpritePtr Lantern::lightsprite [private]

Definition at line 52 of file lantern.hpp.

Referenced by draw(), Lantern(), and updateColor().

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The documentation for this class was generated from the following files:

• src/object/lantern.hpp
• src/object/lantern.cpp

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