Camera Class Reference

#include <camera.h>

Inheritance diagram for Camera:

[legend]Collaboration diagram for Camera:

[legend]List of all members.

Public Member Functions
	Camera ()
void	SetXY (Point2i pos)
void	SetXYabs (int x, int y)
void	SetXYabs (const Point2i &pos)
void	FollowObject (PhysicalObj *obj, bool follow, bool center_on, bool force_center_on_object=false)
void	StopFollowingObj (PhysicalObj *obj)
bool	IsVisible (const PhysicalObj &obj)
void	Refresh ()
bool	HasFixedX () const
bool	HasFixedY () const
Point2i	FreeDegrees () const
Point2i	NonFreeDegrees () const
void	CenterOn (const PhysicalObj &obj)
void	CenterOnFollowedObject ()
void	AutoCrop ()
void	SetAutoCrop (bool crop)
bool	IsAutoCrop () const
void	SetCloseFollowing (bool close)
Public Attributes
bool	auto_crop
Private Attributes
PhysicalObj *	followed_object
bool	throw_camera
bool	follow_closely

---

Detailed Description

Definition at line 30 of file camera.h.

---

Constructor & Destructor Documentation

Camera::Camera

(

)

Definition at line 38 of file camera.cpp.

              {
  throw_camera = false;
  auto_crop = true;
  followed_object = NULL;
}

---

Member Function Documentation

void Camera::AutoCrop

(

)

Definition at line 108 of file camera.cpp.

                     {
  if( !followed_object || followed_object->IsGhost() )
    return;

  if( !IsVisible(*followed_object) )
  {
    MSG_DEBUG("camera.scroll", "The object is not visible.");
    CenterOnFollowedObject();
    return;
  }

  if(follow_closely)
  {
    CenterOn(*followed_object);
    return;
  }
  Point2i pos = followed_object->GetPosition();
  Point2i size = followed_object->GetSize();

  if( pos.y < 0 )
    pos.y = 0;

  Point2i dstMax = GetSize()/2 - CAMERA_MARGIN;
  Point2i cameraBR = GetSize() + position;
  Point2i objectBRmargin = pos + size + CAMERA_MARGIN;
  Point2i dst(0, 0);

  dst += cameraBR.inf(objectBRmargin) * (objectBRmargin - cameraBR);
  dst += (pos - CAMERA_MARGIN).inf(position) * (pos - CAMERA_MARGIN - position);

  SetXY( dst * CAMERA_SPEED / dstMax );
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Camera::CenterOn

(

const PhysicalObj &

obj

)

Definition at line 94 of file camera.cpp.

                                           {
  if (obj.IsGhost())
    return;

  MSG_DEBUG( "camera.scroll", "centering on %s", obj.GetName().c_str() );

  Point2i pos(0, 0);

  pos += FreeDegrees() * obj.GetPosition() - ( GetSize() - obj.GetSize() )/2;
  pos += NonFreeDegrees() * ( world.GetSize() - GetSize() )/2;

  SetXYabs( pos );
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Camera::CenterOnFollowedObject

(

)

Definition at line 89 of file camera.cpp.

                                   {
  CenterOn(*followed_object);
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Camera::FollowObject	(	PhysicalObj *	obj,
		bool	follow,
		bool	center_on,
		bool	force_center_on_object = false
	)

Definition at line 174 of file camera.cpp.

                                                                                                   {
  MSG_DEBUG( "camera.tracking", "Following object %s, center_on=%d, follow=%d", obj->GetName().c_str(), center_on, follow);
  if ((center_on) && ((followed_object != obj) || !IsVisible(*obj) || force_center_on_object))
  {
    bool visible = IsVisible(*obj);
    CenterOn(*obj);
    auto_crop = follow;
    if(!visible)
      wind.RandomizeParticlesPos();
  }
  followed_object = obj;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Point2i Camera::FreeDegrees

(

)

const

Definition at line 52 of file camera.cpp.

                                 {
  return Point2i(HasFixedX()? 0 : 1,
                 HasFixedY()? 0 : 1);
}

Here is the call graph for this function:

Here is the caller graph for this function:

bool Camera::HasFixedX

(

)

const

Definition at line 44 of file camera.cpp.

                            {
  return (int)world.GetWidth() <= GetSizeX();
}

Here is the call graph for this function:

Here is the caller graph for this function:

bool Camera::HasFixedY

(

)

const

Definition at line 48 of file camera.cpp.

                            {
  return (int)world.GetHeight() <= GetSizeY();
}

Here is the call graph for this function:

Here is the caller graph for this function:

bool Camera::IsAutoCrop

(

)

const

Definition at line 146 of file camera.cpp.

{
  return auto_crop;
}

bool Camera::IsVisible

(

const PhysicalObj &

obj

)

Definition at line 192 of file camera.cpp.

                                            {
   return Intersect( obj.GetRect() );
}

Here is the call graph for this function:

Here is the caller graph for this function:

Point2i Camera::NonFreeDegrees

(

)

const

Definition at line 57 of file camera.cpp.

                                    {
  return Point2i(1, 1) - FreeDegrees();
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Camera::Refresh

(

)

Definition at line 156 of file camera.cpp.

                    {
  throw_camera = false;

  // mouse mouvement
  Mouse::GetInstance()->TestCamera();
  if (throw_camera) return;

#ifdef TODO_KEYBOARD // ???
  // keyboard movement
  clavier.TestCamera();
  if (throw_camera)
    return;
#endif

  if (auto_crop)
    AutoCrop();
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Camera::SetAutoCrop

(

bool

crop

)

Definition at line 141 of file camera.cpp.

{
  auto_crop = crop;
}

Here is the caller graph for this function:

void Camera::SetCloseFollowing

(

bool

close

)

Definition at line 151 of file camera.cpp.

{
  follow_closely = close;
}

Here is the caller graph for this function:

void Camera::SetXY

(

Point2i

pos

)

Definition at line 81 of file camera.cpp.

                             {
  pos = pos * FreeDegrees();
  if( pos.IsNull() )
    return;

  SetXYabs(position + pos);
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Camera::SetXYabs

(

const Point2i &

pos

)

Definition at line 77 of file camera.cpp.

                                       {
  SetXYabs(pos.x, pos.y);
}

Here is the call graph for this function:

void Camera::SetXYabs	(	int	x,
		int	y
	)

Definition at line 61 of file camera.cpp.

                                 {
  AppWormux * app = AppWormux::GetInstance();

  if( !HasFixedX() )
    position.x = BorneLong(x, 0, world.GetWidth() - GetSizeX());
  else
    position.x = - (app->video.window.GetWidth() - world.GetWidth())/2;

  if( !HasFixedY() )
    position.y = BorneLong(y, 0, world.GetHeight()-GetSizeY());
  else
    position.y = - (app->video.window.GetHeight() - world.GetHeight())/2;

  throw_camera = true;
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Camera::StopFollowingObj

(

PhysicalObj *

obj

)

Definition at line 187 of file camera.cpp.

                                             {
  if(followed_object == obj)
    FollowObject((PhysicalObj*)&ActiveCharacter(), true, true, true);
}

Here is the call graph for this function:

Here is the caller graph for this function:

---

Member Data Documentation

bool Camera::auto_crop

Definition at line 32 of file camera.h.

bool Camera::follow_closely [private]

Definition at line 37 of file camera.h.

PhysicalObj* Camera::followed_object [private]

Definition at line 35 of file camera.h.

bool Camera::throw_camera [private]

Definition at line 36 of file camera.h.

---

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

• src/map/camera.h
• src/map/camera.cpp

---