SnakeBird::SnakeBird Class Reference

#include <SnakeBird.h>

Inheritance diagram for SnakeBird::SnakeBird:

Collaboration diagram for SnakeBird::SnakeBird:

Public Member Functions
	SnakeBird (int width=20, int height=16)
	Construct SnakeBird class. More...
void	Reset ()
	Reset to initial state and default 20(w)x16(h) map size. More...
void	BiggerMapHeight ()
void	BiggerMapWidth ()
void	SmallerMapHeight ()
void	SmallerMapWidth ()
bool	Load (const char *filename)
	Load a map from a filename. More...
bool	Save (const char *filename)
	Currently not supported. More...
std::string	EncodeLevel () const
	Convert an ASCII map encoding back to a level. More...
bool	DecodeLevel (const std::string &)
	Convert a map to an ASCII string. More...
void	BeginEditing ()
	Before the map is changed, this should be called. More...
void	EndEditing ()
	Stop editing the map & apply optimizations to internal data structures. More...
SnakeBirdState	GetStart () const
	The SnakeBird start location and fruit consumption returned is part of the dynamic state. More...
void	SetStart (const SnakeBirdState &)
	Set the initial state of the game. More...
void	AddSnake (int x, int y, const std::vector< snakeDir > &body)
	Add a snake to the level at a given location. More...
void	AddSnakeHead (int x, int y, int whichSnake)
snakeDir	GetAddingDirection (int x, int y, int endX, int endY)
void	AddSnakeBody (int x, int y, int whichSnake)
void	RemoveSnake (int x, int y, int o, int whichSnake)
void	SetGroundType (int x, int y, SnakeBirdWorldObject o)
	Change the ground type to a new type. More...
void	RemoveBlock (int x, int y)
	Similar to SetGroundType but only deals with removing blocks. More...
int	GetNumPortals ()
SnakeBirdWorldObject	GetGroundType (int x, int y) const
	Return the primary ground type in the map. More...
SnakeBirdWorldObject	GetRenderedGroundType (const SnakeBirdState &s, int x, int y)
	Return the rendered ground type on the screen - eg accounting for snakes, moving objects, etc. More...
int	GetWidth () const
int	GetHeight () const
void	GetSuccessors (const SnakeBirdState &nodeID, std::vector< SnakeBirdState > &neighbors) const
	Return (via references) all of the legal actions in a state. More...
void	GetActions (const SnakeBirdState &nodeID, std::vector< SnakeBirdAction > &actions) const
	Return (by reference) the legal actions in a state. More...
bool	LivingState (const SnakeBirdState &s) const
size_t	GetNumFruit ()
void	ApplyAction (SnakeBirdState &s, SnakeBirdAction a) const
	Apply a single action, modifying to the next state. More...
bool	ApplyPartialAction (SnakeBirdState &s, SnakeBirdAction a, SnakeBirdAnimationStep &step) const
	Do next step of animation. More...
bool	Legal (SnakeBirdState &s, SnakeBirdAction a)
	Return whether an action is legal. More...
void	UndoAction (SnakeBirdState &s, SnakeBirdAction a) const
void	GetNextState (const SnakeBirdState &s1, SnakeBirdAction a, SnakeBirdState &s2) const
bool	InvertAction (SnakeBirdAction &a) const
void	StoreGoal (SnakeBirdState &s)
	Stores the goal for use by single-state HCost. More...
void	ClearGoal ()
	Clears the goal from memory. More...
bool	IsGoalStored () const
	Returns true if the goal is stored and false otherwise. More...
double	HCost (const SnakeBirdState &node1, const SnakeBirdState &node2) const
	Heuristic value between two arbitrary nodes. More...
double	GCost (const SnakeBirdState &node1, const SnakeBirdState &node2) const
double	GCost (const SnakeBirdState &node, const SnakeBirdAction &act) const
bool	GoalTest (const SnakeBirdState &node, const SnakeBirdState &goal) const
virtual bool	GoalTest (const SnakeBirdState &node) const
	Goal Test if the goal is stored. More...
uint64_t	GetActionHash (SnakeBirdAction act) const
uint64_t	GetStateHash (const SnakeBirdState &node) const
void	OpenGLDraw () const
void	OpenGLDraw (const SnakeBirdState &) const
void	OpenGLDraw (const SnakeBirdState &, const SnakeBirdState &, float) const
	Draw the transition at some percentage 0...1 between two states. More...
void	OpenGLDraw (const SnakeBirdState &, const SnakeBirdAction &) const
void	GLLabelState (const SnakeBirdState &, const char *) const
void	GLDrawLine (const SnakeBirdState &x, const SnakeBirdState &y) const
void	GLDrawPath (const std::vector< SnakeBirdState > &x) const
void	Draw (Graphics::Display &display) const
void	DrawObjects (Graphics::Display &display, double time=0) const
void	DrawObject (Graphics::Display &display, int x, int y, SnakeBirdWorldObject o, double time=0) const
void	Draw (Graphics::Display &display, int x, int y, float width=1.0) const
void	Draw (Graphics::Display &display, double time) const
void	Draw (Graphics::Display &display, const SnakeBirdState &) const
void	Draw (Graphics::Display &display, const SnakeBirdState &, int active) const
void	Draw (Graphics::Display &display, const SnakeBirdState &, int active, double globalTime) const
void	Draw (Graphics::Display &display, const SnakeBirdState &, const SnakeBirdState &, int active, double percentComplete, double globalTime) const
void	DrawLine (Graphics::Display &display, const SnakeBirdState &x, const SnakeBirdState &y, float width=1.0) const
void	DrawLabel (Graphics::Display &display, int x, int y, const char *str)
void	DrawSmallLabel (Graphics::Display &display, int x, int y, const char *str)
float	GetRadius () const
bool	GetPointFromCoordinate (Graphics::point p, int &x, int &y)
int	GetIndex (int x, int y) const
int	GetX (int index) const
int	GetY (int index) const
Public Member Functions inherited from SearchEnvironment< SnakeBirdState, SnakeBirdAction >
virtual	~SearchEnvironment ()
virtual void	GetSuccessors (const SnakeBirdState &nodeID, std::vector< SnakeBirdState > &neighbors) const=0
virtual void	GetActions (const SnakeBirdState &nodeID, std::vector< SnakeBirdAction > &actions) const=0
virtual int	GetNumSuccessors (const SnakeBirdState &stateID) const
virtual SnakeBirdAction	GetAction (const SnakeBirdState &s1, const SnakeBirdState &s2) const
virtual void	ApplyAction (SnakeBirdState &s, SnakeBirdAction a) const=0
virtual void	UndoAction (SnakeBirdState &s, SnakeBirdAction a) const
virtual void	GetNextState (const SnakeBirdState &s1, SnakeBirdAction a, SnakeBirdState &s2) const
virtual bool	InvertAction (SnakeBirdAction &a) const=0
virtual void	StoreGoal (SnakeBirdState &s)
	Stores the goal for use by single-state HCost. More...
virtual bool	IsGoalStored () const
	Returns true if the goal is stored and false otherwise. More...
virtual double	HCost (const SnakeBirdState &node1, const SnakeBirdState &node2) const=0
	Heuristic value between two arbitrary nodes. More...
virtual double	HCost (const SnakeBirdState &node1, const SnakeBirdState &node2, double parentHCost) const
virtual double	HCost (const SnakeBirdState &node) const
	Heuristic value between node and the stored goal. More...
virtual double	GCost (const SnakeBirdState &node1, const SnakeBirdState &node2) const=0
virtual double	GCost (const SnakeBirdState &node, const SnakeBirdAction &act) const=0
virtual bool	GoalTest (const SnakeBirdState &node, const SnakeBirdState &goal) const=0
virtual bool	GoalTest (const SnakeBirdState &node) const
	Goal Test if the goal is stored. More...
virtual uint64_t	GetMaxHash () const
virtual uint64_t	GetStateHash (const SnakeBirdState &node) const=0
virtual void	GetStateFromHash (uint64_t parent, SnakeBirdState &s) const
virtual uint64_t	GetActionHash (SnakeBirdAction act) const=0
virtual double	GetPathLength (std::vector< SnakeBirdState > &neighbors)
virtual double	GetPathLength (const SnakeBirdState &start, std::vector< SnakeBirdAction > &neighbors)
virtual OccupancyInterface< SnakeBirdState, SnakeBirdAction > *	GetOccupancyInfo ()
virtual void	SetOccupancyInfo (OccupancyInterface< SnakeBirdState, SnakeBirdAction > *)
virtual void	OpenGLDraw () const
virtual void	OpenGLDraw (const SnakeBirdState &) const
virtual void	OpenGLDraw (const SnakeBirdState &, const SnakeBirdState &, float) const
	Draw the transition at some percentage 0...1 between two states. More...
virtual void	OpenGLDraw (const SnakeBirdState &, const SnakeBirdAction &) const
virtual void	GLLabelState (const SnakeBirdState &, const char *) const
virtual void	GLDrawLine (const SnakeBirdState &x, const SnakeBirdState &y) const
virtual void	GLDrawPath (const std::vector< SnakeBirdState > &x) const
virtual void	SetColor (const rgbColor &r) const
virtual void	SetColor (GLfloat rr, GLfloat g, GLfloat b, GLfloat t=1.0) const
virtual void	GetColor (GLfloat &rr, GLfloat &g, GLfloat &b, GLfloat &t) const
virtual rgbColor	GetColor () const
virtual void	Draw (Graphics::Display &display, const SnakeBirdState &) const
virtual void	DrawLine (Graphics::Display &display, const SnakeBirdState &x, const SnakeBirdState &y, float width=1.0) const
Public Member Functions inherited from Heuristic< SnakeBirdState >
	Heuristic ()
virtual	~Heuristic ()

Private Member Functions
std::string	Code (int) const
int	DeCode (const std::string &s, size_t offset) const
void	SetGroundType (int index, SnakeBirdWorldObject o)
bool	Render (const SnakeBirdState &s) const
bool	CanPush (const SnakeBirdState &s, int snake, SnakeBirdWorldObject obj, snakeDir dir, SnakeBirdAction &a) const
	Can the snake push the given object in the given direction? More...
bool	IsOnSpikes (const SnakeBirdState &s, int which) const
TeleportResult	HandleTeleports (SnakeBirdState &s, SnakeBirdAction &a, snakeDir lastAction, snakeDir opposite, SnakeBirdAnimationStep step) const
SnakeBirdAnimation	DoFirstMovement (const SnakeBirdAction &a, int offset, snakeDir opposite, SnakeBirdState &s) const
SnakeBirdAnimation	DoFall (SnakeBirdAction &a, SnakeBirdState &s) const
int	GetFruitOffset (int index) const
int	Distance (int index1, int index2)
Graphics::point	GetCenter (int x, int y) const
void	DrawSnakeEnteringGoal (Graphics::Display &display, const SnakeBirdState &s, int snake, bool isActive, double percentComplete) const
void	DrawTranslatingSnake (Graphics::Display &display, const SnakeBirdState &old, const SnakeBirdState &s, int snake, bool isActive, double percentComplete) const
void	DrawMovingSnake (Graphics::Display &display, const SnakeBirdState &old, const SnakeBirdState &s, int snake, bool isActive, double percentComplete) const
void	DrawSnakeSegment (Graphics::Display &display, Graphics::point p, const rgbColor &color, bool head, bool tail, bool awake, snakeDir dirFrom, snakeDir dirTo, int whichSnake, bool isDead) const

Private Attributes
int	width
int	height
std::array< SnakeBirdWorldObject, 512 >	world
std::array< SnakeBirdWorldObject, 512 >	render
std::vector< int >	fruit
std::array< std::vector< int >, 4 >	objects
std::array< bool, 4 >	objectFullyConnected
int	portal1Loc
int	portal2Loc
int	exitLoc
SnakeBirdState	startState
bool	editing

Additional Inherited Members
Public Attributes inherited from Heuristic< SnakeBirdState >
std::vector< HeuristicTreeNode >	lookups
std::vector< Heuristic * >	heuristics
uint64_t	histogram [256]
Protected Attributes inherited from SearchEnvironment< SnakeBirdState, SnakeBirdAction >
bool	bValidSearchGoal
SnakeBirdState	searchGoal
rgbColor	color
GLfloat	transparency

Detailed Description

Definition at line 280 of file SnakeBird.h.

Constructor & Destructor Documentation

SnakeBird()

SnakeBird::SnakeBird::SnakeBird	(	int	width = 20,
		int	height = 16
	)

Construct SnakeBird class.

Note that width and height are currently fixed and can't be changed. Eventually this should be fixed.

Definition at line 21 of file SnakeBird.cpp.

References height, SnakeBird::kEmpty, SnakeBird::kSpikes, and width.

Member Function Documentation

AddSnake()

void SnakeBird::SnakeBird::AddSnake	(	int	x,
		int	y,
		const std::vector< snakeDir > &	body
	)

Add a snake to the level at a given location.

Note: Will need to be enhanced to set location of a particular snake.

Definition at line 519 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdState::GetNumSnakes().

AddSnakeBody()

void SnakeBird::SnakeBird::AddSnakeBody	(	int	x,
		int	y,
		int	whichSnake
	)

Definition at line 561 of file SnakeBird.cpp.

References GetX(), GetY(), height, SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kNoDirection, SnakeBird::kRight, SnakeBird::kUp, and width.

AddSnakeHead()

void SnakeBird::SnakeBird::AddSnakeHead	(	int	x,
		int	y,
		int	whichSnake
	)

Definition at line 529 of file SnakeBird.cpp.

References height, and width.

ApplyAction()

void SnakeBird::SnakeBird::ApplyAction	(	SnakeBirdState &	s,
		SnakeBirdAction	a
	)		const

Apply a single action, modifying to the next state.

Definition at line 1950 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdAnimationStep::anim, SnakeBird::SnakeBirdAction::bird, SnakeBird::SnakeBirdAction::direction, SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), height, SnakeBird::kDead, SnakeBird::kDoneAnimation, SnakeBird::kDown, SnakeBird::kExit, SnakeBird::kFall, SnakeBird::kFellInGoal, SnakeBird::SnakeBirdState::KFruitEaten(), SnakeBird::kInGoal, SnakeBird::kInitialTeleport, SnakeBird::kLeft, SnakeBird::kMovement, SnakeBird::kRight, SnakeBird::kTeleport, SnakeBird::kTeleportSuccess, SnakeBird::kTeleportToExit, SnakeBird::kUp, SnakeBird::kWentInGoal, SnakeBird::SnakeBirdAction::pushed, SnakeBird::SnakeBirdState::SetSnakeHeadLoc(), and SnakeBird::SnakeBirdAnimationStep::teleportCount.

ApplyPartialAction()

bool SnakeBird::SnakeBird::ApplyPartialAction	(	SnakeBirdState &	s,
		SnakeBirdAction	act,
		SnakeBirdAnimationStep &	step
	)		const

Do next step of animation.

Call until true is returned (when action is fully applied).

Definition at line 1814 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdAnimationStep::a, SnakeBird::SnakeBirdAnimationStep::anim, SnakeBird::SnakeBirdAnimationStep::animationDuration, SnakeBird::SnakeBirdAction::bird, SnakeBird::SnakeBirdAction::direction, SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), SnakeBird::SnakeBirdState::GetSnakeLength(), height, SnakeBird::kDead, SnakeBird::kDoneAnimation, SnakeBird::kDown, SnakeBird::kExit, SnakeBird::kFall, SnakeBird::kFellInGoal, SnakeBird::SnakeBirdState::KFruitEaten(), SnakeBird::kInGoal, SnakeBird::kInitialTeleport, SnakeBird::kLeft, SnakeBird::kMovement, SnakeBird::kNeedsInitialization, SnakeBird::kPauseWhenDead, SnakeBird::kRight, SnakeBird::kTeleport, SnakeBird::kTeleportSuccess, SnakeBird::kTeleportToExit, SnakeBird::kUp, SnakeBird::kWentInGoal, SnakeBird::SnakeBirdAction::pushed, SnakeBird::SnakeBirdState::SetSnakeHeadLoc(), and SnakeBird::SnakeBirdAnimationStep::teleportCount.

BeginEditing()

void SnakeBird::SnakeBird::BeginEditing

(

)

Before the map is changed, this should be called.

It allows for internal optimizations after editing ends.

Definition at line 468 of file SnakeBird.cpp.

BiggerMapHeight()

void SnakeBird::SnakeBird::BiggerMapHeight

(

)

Definition at line 49 of file SnakeBird.cpp.

References height, SnakeBird::kEmpty, and width.

BiggerMapWidth()

void SnakeBird::SnakeBird::BiggerMapWidth

(

)

Definition at line 207 of file SnakeBird.cpp.

References height, and width.

CanPush()

bool SnakeBird::SnakeBird::CanPush ( const SnakeBirdState &  s, int  snake, SnakeBirdWorldObject  obj, snakeDir  dir, SnakeBirdAction &  a  ) const

private

Can the snake push the given object in the given direction?

Parameters

s	The current state of the game
snake	The snake pushing
obj	The object being pushed
dir	The direction it is pushed
a	The final action, which will contain the objects being used

Definition at line 1549 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdState::GetObjectLocation(), SnakeBird::SnakeBirdState::GetSnakeBodyEnd(), SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), GetX(), GetY(), height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kBlockMask, SnakeBird::kDead, SnakeBird::kDown, SnakeBird::kFruit, SnakeBird::kGround, SnakeBird::kGroundMask, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kSnake1, SnakeBird::kSnake2, SnakeBird::kSnake3, SnakeBird::kSnake4, SnakeBird::kSnakeMask, SnakeBird::kUp, SnakeBird::SnakeBirdAction::pushed, and width.

ClearGoal()

void SnakeBird::SnakeBird::ClearGoal ( )

inlinevirtual

Clears the goal from memory.

Reimplemented from SearchEnvironment< SnakeBirdState, SnakeBirdAction >.

Definition at line 337 of file SnakeBird.h.

Code()

std::string SnakeBird::SnakeBird::Code ( int  v ) const

private

Definition at line 1001 of file SnakeBird.cpp.

DeCode()

int SnakeBird::SnakeBird::DeCode ( const std::string &  s, size_t  offset  ) const

private

Definition at line 1015 of file SnakeBird.cpp.

References SnakeBird::codeSize.

DecodeLevel()

bool SnakeBird::SnakeBird::DecodeLevel

(

const std::string &

encoding

)

Convert a map to an ASCII string.

Definition at line 1143 of file SnakeBird.cpp.

References SnakeBird::codeSize, height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kDown, SnakeBird::kEmpty, SnakeBird::kExit, SnakeBird::kFruit, SnakeBird::kGround, SnakeBird::kLeft, SnakeBird::kPortal1, SnakeBird::kPortal2, SnakeBird::kRight, SnakeBird::kSpikes, SnakeBird::kUp, and width.

Distance()

int SnakeBird::SnakeBird::Distance ( int  index1, int  index2  )

private

Definition at line 2535 of file SnakeBird.cpp.

References GetX(), and GetY().

DoFall()

SnakeBirdAnimation SnakeBird::SnakeBird::DoFall ( SnakeBirdAction &  a, SnakeBirdState &  s  ) const

private

Definition at line 1744 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetObjectLocation(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), GetY(), height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kDead, SnakeBird::kDoneAnimation, SnakeBird::kDown, SnakeBird::kExit, SnakeBird::kFellInGoal, SnakeBird::SnakeBirdState::KFruitEaten(), SnakeBird::kInGoal, SnakeBird::kSnake1, SnakeBird::kSnake2, SnakeBird::kSnake3, SnakeBird::kSnake4, SnakeBird::kTeleport, SnakeBird::SnakeBirdAction::pushed, SnakeBird::SnakeBirdState::SetObjectLocation(), and SnakeBird::SnakeBirdState::SetSnakeHeadLoc().

DoFirstMovement()

SnakeBirdAnimation SnakeBird::SnakeBird::DoFirstMovement ( const SnakeBirdAction &  a, int  offset, snakeDir  opposite, SnakeBirdState &  s  ) const

private

Definition at line 1660 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdAction::bird, SnakeBird::SnakeBirdState::GetFruitPresent(), SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetObjectLocation(), SnakeBird::SnakeBirdState::GetSnakeBodyEnd(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), GetX(), GetY(), SnakeBird::SnakeBirdState::InsertSnakeDir(), SnakeBird::SnakeBirdState::InsertSnakeHeadDir(), SnakeBird::kDead, SnakeBird::kExit, SnakeBird::kFruit, SnakeBird::SnakeBirdState::KFruitEaten(), SnakeBird::kInitialTeleport, SnakeBird::kWentInGoal, SnakeBird::SnakeBirdAction::pushed, SnakeBird::SnakeBirdState::SetObjectLocation(), SnakeBird::SnakeBirdState::SetSnakeBodyEnd(), SnakeBird::SnakeBirdState::SetSnakeHeadLoc(), and SnakeBird::SnakeBirdState::ToggleFruitPresent().

Draw() [1/7]

void SnakeBird::SnakeBird::Draw ( Graphics::Display &  display ) const

virtual

Reimplemented from SearchEnvironment< SnakeBirdState, SnakeBirdAction >.

Definition at line 2550 of file SnakeBird.cpp.

References Colors::brown, Colors::cyan, Colors::darkblue, Colors::darkgray, Colors::darkgreen, Colors::darkred, Graphics::Display::FillRect(), Graphics::Display::FillSquare(), Graphics::Display::FillTriangle(), GetX(), GetY(), Colors::gray, height, SnakeBird::kEmpty, SnakeBird::kGround, SnakeBird::kSpikes, Colors::lightblue, rgbColor::mix(), width, Graphics::point::x, and Graphics::point::y.

Draw() [2/7]

void SnakeBird::SnakeBird::Draw	(	Graphics::Display &	display,
		const SnakeBirdState &	s
	)		const

Definition at line 2922 of file SnakeBird.cpp.

Draw() [3/7]

void SnakeBird::SnakeBird::Draw	(	Graphics::Display &	display,
		const SnakeBirdState &	old,
		const SnakeBirdState &	s,
		int	active,
		double	percentComplete,
		double	globalTime
	)		const

Definition at line 3144 of file SnakeBird.cpp.

References Colors::blue, fequal(), Graphics::Display::FillCircle(), Graphics::Display::FillNGon(), Graphics::Display::FillRect(), Graphics::Display::FrameSquare(), SnakeBird::SnakeBirdState::GetBodyBits(), SnakeBird::SnakeBirdState::GetFruitPresent(), SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetObjectLocation(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), SnakeBird::SnakeBirdState::GetSnakeLength(), GetX(), GetY(), Colors::green, SnakeBird::kDead, SnakeBird::SnakeBirdState::KFruitEaten(), SnakeBird::kInGoal, Colors::orange, Colors::purple, Colors::red, Graphics::point::x, Graphics::point::y, and Colors::yellow.

Draw() [4/7]

void SnakeBird::SnakeBird::Draw	(	Graphics::Display &	display,
		const SnakeBirdState &	s,
		int	active
	)		const

Definition at line 2927 of file SnakeBird.cpp.

Draw() [5/7]

void SnakeBird::SnakeBird::Draw	(	Graphics::Display &	display,
		const SnakeBirdState &	s,
		int	active,
		double	globalTime
	)		const

Definition at line 3288 of file SnakeBird.cpp.

Draw() [6/7]

void SnakeBird::SnakeBird::Draw	(	Graphics::Display &	display,
		double	time
	)		const

Definition at line 2861 of file SnakeBird.cpp.

References Colors::blue, Colors::darkblue, Colors::darkred, Graphics::Display::FillCircle(), Graphics::Display::FillNGon(), GetX(), GetY(), Colors::green, height, Colors::purple, Colors::red, and width.

Draw() [7/7]

void SnakeBird::SnakeBird::Draw	(	Graphics::Display &	display,
		int	x,
		int	y,
		float	width = 1.0
	)		const

Definition at line 2544 of file SnakeBird.cpp.

References Graphics::Display::FrameRect(), Colors::GetColor(), and width.

DrawLabel()

void SnakeBird::SnakeBird::DrawLabel	(	Graphics::Display &	display,
		int	x,
		int	y,
		const char *	str
	)

Definition at line 3385 of file SnakeBird.cpp.

References Graphics::Display::DrawText(), Colors::GetColor(), Graphics::textAlignLeft, and Graphics::textBaselineMiddle.

DrawLine()

void SnakeBird::SnakeBird::DrawLine	(	Graphics::Display &	display,
		const SnakeBirdState &	x,
		const SnakeBirdState &	y,
		float	width = 1.0
	)		const

Definition at line 3396 of file SnakeBird.cpp.

DrawMovingSnake()

void SnakeBird::SnakeBird::DrawMovingSnake ( Graphics::Display &  display, const SnakeBirdState &  old, const SnakeBirdState &  s, int  snake, bool  isActive, double  percentComplete  ) const

private

Definition at line 3054 of file SnakeBird.cpp.

References Colors::blue, SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), SnakeBird::SnakeBirdState::GetSnakeLength(), GetX(), GetY(), Colors::green, SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kSpikes, SnakeBird::kUp, Colors::red, and Colors::yellow.

DrawObject()

void SnakeBird::SnakeBird::DrawObject	(	Graphics::Display &	display,
		int	x,
		int	y,
		SnakeBirdWorldObject	o,
		double	time = 0
	)		const

Definition at line 2671 of file SnakeBird.cpp.

References Colors::black, Colors::blue, Graphics::rect::bottom, Colors::brown, Colors::cyan, Colors::darkgray, Colors::darkred, Colors::green, height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kEmpty, SnakeBird::kExit, SnakeBird::kFruit, SnakeBird::kGround, SnakeBird::kNothing, SnakeBird::kPortal1, SnakeBird::kPortal2, SnakeBird::kSnake1, SnakeBird::kSnake2, SnakeBird::kSpikes, Graphics::rect::left, Colors::lightblue, rgbColor::mix(), Colors::orange, Colors::purple, Colors::red, Graphics::rect::right, Graphics::rect::top, Colors::white, Graphics::point::x, Graphics::point::y, and Colors::yellow.

DrawObjects()

void SnakeBird::SnakeBird::DrawObjects	(	Graphics::Display &	display,
		double	time = 0
	)		const

Definition at line 2596 of file SnakeBird.cpp.

References Colors::blue, Colors::brown, Colors::darkgray, Graphics::Display::FillCircle(), Graphics::Display::FillNGon(), Graphics::Display::FillSquare(), GetX(), GetY(), Colors::gray, Colors::green, height, SnakeBird::kEmpty, SnakeBird::kExit, SnakeBird::kFruit, SnakeBird::kGround, SnakeBird::kPortal1, SnakeBird::kPortal2, SnakeBird::kSpikes, Colors::orange, Colors::purple, Colors::red, width, Graphics::point::x, Graphics::point::y, and Colors::yellow.

DrawSmallLabel()

void SnakeBird::SnakeBird::DrawSmallLabel	(	Graphics::Display &	display,
		int	x,
		int	y,
		const char *	str
	)

Definition at line 3390 of file SnakeBird.cpp.

References Graphics::Display::DrawText(), Colors::GetColor(), Graphics::textAlignCenter, and Graphics::textBaselineMiddle.

DrawSnakeEnteringGoal()

void SnakeBird::SnakeBird::DrawSnakeEnteringGoal ( Graphics::Display &  display, const SnakeBirdState &  s, int  snake, bool  isActive, double  percentComplete  ) const

private

Definition at line 2932 of file SnakeBird.cpp.

References Colors::blue, SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), SnakeBird::SnakeBirdState::GetSnakeLength(), GetX(), GetY(), Colors::green, SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kUp, Colors::red, and Colors::yellow.

DrawSnakeSegment()

void SnakeBird::SnakeBird::DrawSnakeSegment ( Graphics::Display &  display, Graphics::point  p, const rgbColor &  color, bool  head, bool  tail, bool  awake, snakeDir  dirFrom, snakeDir  dirTo, int  whichSnake, bool  isDead  ) const

private

Definition at line 3293 of file SnakeBird.cpp.

References Colors::black, Graphics::rect::bottom, Graphics::Display::FillCircle(), Graphics::Display::FillNGon(), Graphics::Display::FillRect(), Graphics::Display::FillSquare(), SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kUp, Graphics::rect::left, rgbColor::mix(), Colors::orange, Graphics::rect::right, Graphics::rect::top, Colors::white, Graphics::point::x, and Graphics::point::y.

DrawTranslatingSnake()

void SnakeBird::SnakeBird::DrawTranslatingSnake ( Graphics::Display &  display, const SnakeBirdState &  old, const SnakeBirdState &  s, int  snake, bool  isActive, double  percentComplete  ) const

private

Definition at line 2987 of file SnakeBird.cpp.

References Colors::blue, SnakeBird::SnakeBirdState::GetSnakeBodyEnd(), SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), GetX(), GetY(), Colors::green, SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kUp, Colors::red, and Colors::yellow.

EncodeLevel()

std::string SnakeBird::SnakeBird::EncodeLevel

(

)

const

Convert an ASCII map encoding back to a level.

Definition at line 1060 of file SnakeBird.cpp.

References GetX(), GetY(), height, SnakeBird::kDown, SnakeBird::kGround, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kSpikes, SnakeBird::kUp, and width.

EndEditing()

void SnakeBird::SnakeBird::EndEditing

(

)

Stop editing the map & apply optimizations to internal data structures.

Definition at line 476 of file SnakeBird.cpp.

GCost() [1/2]

double SnakeBird::SnakeBird::GCost ( const SnakeBirdState &  node, const SnakeBirdAction &  act  ) const

inline

Definition at line 348 of file SnakeBird.h.

GCost() [2/2]

double SnakeBird::SnakeBird::GCost ( const SnakeBirdState &  node1, const SnakeBirdState &  node2  ) const

inline

Definition at line 347 of file SnakeBird.h.

GetActionHash()

uint64_t SnakeBird::SnakeBird::GetActionHash ( SnakeBirdAction  act ) const

inline

Definition at line 355 of file SnakeBird.h.

References SnakeBird::SnakeBirdAction::bird, and SnakeBird::SnakeBirdAction::direction.

GetActions()

void SnakeBird::SnakeBird::GetActions	(	const SnakeBirdState &	nodeID,
		std::vector< SnakeBirdAction > &	actions
	)		const

Return (by reference) the legal actions in a state.

Definition at line 1440 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdAction::bird, SnakeBird::SnakeBirdAction::direction, SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), GetX(), GetY(), height, SnakeBird::kBlockMask, SnakeBird::kCanEnterMask, SnakeBird::kDown, SnakeBird::kGroundMask, SnakeBird::kInGoal, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kSnake1, SnakeBird::kSnake2, SnakeBird::kSnake3, SnakeBird::kSnake4, SnakeBird::kSnakeMask, SnakeBird::kUp, SnakeBird::SnakeBirdAction::pushed, and width.

GetAddingDirection()

snakeDir SnakeBird::SnakeBird::GetAddingDirection	(	int	x,
		int	y,
		int	endX,
		int	endY
	)

Definition at line 540 of file SnakeBird.cpp.

References SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kNoDirection, SnakeBird::kRight, and SnakeBird::kUp.

GetCenter()

Graphics::point SnakeBird::SnakeBird::GetCenter ( int  x, int  y  ) const

private

Definition at line 2909 of file SnakeBird.cpp.

References Graphics::point::x, and Graphics::point::y.

GetFruitOffset()

int SnakeBird::SnakeBird::GetFruitOffset ( int  index ) const

private

Definition at line 2487 of file SnakeBird.cpp.

GetGroundType()

SnakeBirdWorldObject SnakeBird::SnakeBird::GetGroundType	(	int	x,
		int	y
	)		const

Return the primary ground type in the map.

Definition at line 2500 of file SnakeBird.cpp.

GetHeight()

int SnakeBird::SnakeBird::GetHeight ( ) const

inline

Definition at line 309 of file SnakeBird.h.

References height.

GetIndex()

int SnakeBird::SnakeBird::GetIndex	(	int	x,
		int	y
	)		const

Definition at line 2520 of file SnakeBird.cpp.

References height.

GetNextState()

void SnakeBird::SnakeBird::GetNextState ( const SnakeBirdState &  s1, SnakeBirdAction  a, SnakeBirdState &  s2  ) const

inline

Definition at line 324 of file SnakeBird.h.

GetNumFruit()

size_t SnakeBird::SnakeBird::GetNumFruit ( )

inline

Definition at line 314 of file SnakeBird.h.

GetNumPortals()

int SnakeBird::SnakeBird::GetNumPortals

(

)

Definition at line 2473 of file SnakeBird.cpp.

GetPointFromCoordinate()

bool SnakeBird::SnakeBird::GetPointFromCoordinate	(	Graphics::point	p,
		int &	x,
		int &	y
	)

Definition at line 2900 of file SnakeBird.cpp.

References height, Graphics::point::x, and Graphics::point::y.

GetRadius()

float SnakeBird::SnakeBird::GetRadius

(

)

const

Definition at line 2917 of file SnakeBird.cpp.

References height, max, and width.

GetRenderedGroundType()

SnakeBirdWorldObject SnakeBird::SnakeBird::GetRenderedGroundType	(	const SnakeBirdState &	s,
		int	x,
		int	y
	)

Return the rendered ground type on the screen - eg accounting for snakes, moving objects, etc.

Definition at line 2508 of file SnakeBird.cpp.

References SnakeBird::kEmpty, and SnakeBird::kExit.

GetStart()

SnakeBirdState SnakeBird::SnakeBird::GetStart

(

)

const

The SnakeBird start location and fruit consumption returned is part of the dynamic state.

Everything inside the SnakeBird class is static. The location of the fruit is static; whether it's been eaten is dynamic.

Definition at line 501 of file SnakeBird.cpp.

GetStateHash()

uint64_t SnakeBird::SnakeBird::GetStateHash ( const SnakeBirdState &  node ) const

inline

Definition at line 356 of file SnakeBird.h.

GetSuccessors()

void SnakeBird::SnakeBird::GetSuccessors	(	const SnakeBirdState &	nodeID,
		std::vector< SnakeBirdState > &	neighbors
	)		const

Return (via references) all of the legal actions in a state.

Definition at line 1296 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), and SnakeBird::kDead.

GetWidth()

int SnakeBird::SnakeBird::GetWidth ( ) const

inline

Definition at line 308 of file SnakeBird.h.

References width.

GetX()

int SnakeBird::SnakeBird::GetX

(

int

index

)

const

Definition at line 2525 of file SnakeBird.cpp.

References height.

GetY()

int SnakeBird::SnakeBird::GetY

(

int

index

)

const

Definition at line 2530 of file SnakeBird.cpp.

References height.

GLDrawLine()

void SnakeBird::SnakeBird::GLDrawLine ( const SnakeBirdState &  x, const SnakeBirdState &  y  ) const

inline

Definition at line 368 of file SnakeBird.h.

GLDrawPath()

void SnakeBird::SnakeBird::GLDrawPath ( const std::vector< SnakeBirdState > &  x ) const

inline

Definition at line 369 of file SnakeBird.h.

GLLabelState()

void SnakeBird::SnakeBird::GLLabelState ( const SnakeBirdState &  , const char *    ) const

inline

Definition at line 367 of file SnakeBird.h.

GoalTest() [1/2]

virtual bool SnakeBird::SnakeBird::GoalTest ( const SnakeBirdState &  node ) const

inlinevirtual

Goal Test if the goal is stored.

Definition at line 352 of file SnakeBird.h.

References SnakeBird::kInGoal.

GoalTest() [2/2]

bool SnakeBird::SnakeBird::GoalTest ( const SnakeBirdState &  node, const SnakeBirdState &  goal  ) const

inline

Definition at line 349 of file SnakeBird.h.

References GoalTest().

Referenced by GoalTest().

HandleTeleports()

TeleportResult SnakeBird::SnakeBird::HandleTeleports ( SnakeBirdState &  s, SnakeBirdAction &  a, snakeDir  lastAction, snakeDir  opposite, SnakeBirdAnimationStep  step  ) const

private

Definition at line 2066 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdAnimationStep::anim, SnakeBird::SnakeBirdAction::bird, SnakeBird::SnakeBirdState::GetObjectLocation(), SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), SnakeBird::SnakeBirdState::GetSnakeLength(), GetX(), GetY(), height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kBlockMask, SnakeBird::kDead, SnakeBird::kDown, SnakeBird::kFruit, SnakeBird::SnakeBirdState::KFruitEaten(), SnakeBird::kGroundMask, SnakeBird::kInitialTeleport, SnakeBird::kLeft, SnakeBird::kNoTeleport, SnakeBird::kRight, SnakeBird::kSnake1, SnakeBird::kSnake2, SnakeBird::kSnake3, SnakeBird::kSnake4, SnakeBird::kSnakeMask, SnakeBird::kTeleportSuccess, SnakeBird::kTeleportToExit, SnakeBird::kUp, SnakeBird::SnakeBirdAction::pushed, SnakeBird::SnakeBirdState::SetObjectLocation(), SnakeBird::SnakeBirdState::SetSnakeHeadLoc(), and width.

HCost()

double SnakeBird::SnakeBird::HCost ( const SnakeBirdState &  node1, const SnakeBirdState &  node2  ) const

inline

Heuristic value between two arbitrary nodes.

Definition at line 345 of file SnakeBird.h.

InvertAction()

bool SnakeBird::SnakeBird::InvertAction ( SnakeBirdAction &  a ) const

inline

Definition at line 330 of file SnakeBird.h.

IsGoalStored()

bool SnakeBird::SnakeBird::IsGoalStored ( ) const

inline

Returns true if the goal is stored and false otherwise.

Definition at line 341 of file SnakeBird.h.

IsOnSpikes()

bool SnakeBird::SnakeBird::IsOnSpikes ( const SnakeBirdState &  s, int  which  ) const

private

Definition at line 1346 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdState::GetSnakeBodyEnd(), SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), height, SnakeBird::kDead, SnakeBird::kDown, SnakeBird::kInGoal, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kSpikes, SnakeBird::kUp, and width.

Legal()

bool SnakeBird::SnakeBird::Legal	(	SnakeBirdState &	s,
		SnakeBirdAction	a
	)

Return whether an action is legal.

Definition at line 1336 of file SnakeBird.cpp.

LivingState()

bool SnakeBird::SnakeBird::LivingState ( const SnakeBirdState &  s ) const

inline

Definition at line 313 of file SnakeBird.h.

Load()

bool SnakeBird::SnakeBird::Load

(

const char *

filename

)

Load a map from a filename.

Definition at line 858 of file SnakeBird.cpp.

References height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kDown, SnakeBird::kEmpty, SnakeBird::kExit, SnakeBird::kFruit, kGround, SnakeBird::kLeft, SnakeBird::kPortal1, SnakeBird::kPortal2, SnakeBird::kRight, SnakeBird::kSpikes, SnakeBird::kUp, SnakeBird::LoadSnake(), and width.

OpenGLDraw() [1/4]

void SnakeBird::SnakeBird::OpenGLDraw ( ) const

inline

Definition at line 362 of file SnakeBird.h.

OpenGLDraw() [2/4]

void SnakeBird::SnakeBird::OpenGLDraw ( const SnakeBirdState &  ) const

inline

Definition at line 363 of file SnakeBird.h.

OpenGLDraw() [3/4]

void SnakeBird::SnakeBird::OpenGLDraw ( const SnakeBirdState &  , const SnakeBirdAction &    ) const

inline

Definition at line 366 of file SnakeBird.h.

OpenGLDraw() [4/4]

void SnakeBird::SnakeBird::OpenGLDraw ( const SnakeBirdState &  , const SnakeBirdState &  , float    ) const

inline

Draw the transition at some percentage 0...1 between two states.

Definition at line 365 of file SnakeBird.h.

RemoveBlock()

void SnakeBird::SnakeBird::RemoveBlock	(	int	x,
		int	y
	)

Similar to SetGroundType but only deals with removing blocks.

Definition at line 2295 of file SnakeBird.cpp.

References GetX(), GetY(), height, min(), and width.

RemoveSnake()

void SnakeBird::SnakeBird::RemoveSnake	(	int	x,
		int	y,
		int	o,
		int	whichSnake
	)

Definition at line 606 of file SnakeBird.cpp.

References GetX(), GetY(), SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kRight, and SnakeBird::kUp.

Render()

bool SnakeBird::SnakeBird::Render ( const SnakeBirdState &  s ) const

private

Definition at line 1373 of file SnakeBird.cpp.

References SnakeBird::SnakeBirdState::GetFruitPresent(), SnakeBird::SnakeBirdState::GetNumSnakes(), SnakeBird::SnakeBirdState::GetObjectLocation(), SnakeBird::SnakeBirdState::GetSnakeBodyEnd(), SnakeBird::SnakeBirdState::GetSnakeDir(), SnakeBird::SnakeBirdState::GetSnakeHeadLoc(), GetX(), GetY(), height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kDead, SnakeBird::kDown, SnakeBird::kEmpty, SnakeBird::kFruit, SnakeBird::kInGoal, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kSnake1, SnakeBird::kSnake2, SnakeBird::kSnake3, SnakeBird::kSnake4, SnakeBird::kSpikes, SnakeBird::kUp, and width.

Reset()

void SnakeBird::SnakeBird::Reset

(

)

Reset to initial state and default 20(w)x16(h) map size.

Definition at line 34 of file SnakeBird.cpp.

References height, SnakeBird::kEmpty, SnakeBird::kSpikes, and width.

Save()

bool SnakeBird::SnakeBird::Save

(

const char *

filename

)

Currently not supported.

Definition at line 996 of file SnakeBird.cpp.

SetGroundType() [1/2]

void SnakeBird::SnakeBird::SetGroundType ( int  index, SnakeBirdWorldObject  o  )

private

Definition at line 2287 of file SnakeBird.cpp.

References GetX(), and GetY().

SetGroundType() [2/2]

void SnakeBird::SnakeBird::SetGroundType	(	int	x,
		int	y,
		SnakeBirdWorldObject	o
	)

Change the ground type to a new type.

Must enable editing to have an impact.

Definition at line 2343 of file SnakeBird.cpp.

References GetX(), GetY(), height, SnakeBird::kBlock1, SnakeBird::kBlock2, SnakeBird::kBlock3, SnakeBird::kBlock4, SnakeBird::kBlockMask, SnakeBird::kEmpty, SnakeBird::kExit, SnakeBird::kFruit, SnakeBird::kPortal, SnakeBird::kPortal1, SnakeBird::kPortal2, and min().

SetStart()

void SnakeBird::SnakeBird::SetStart

(

const SnakeBirdState &

start

)

Set the initial state of the game.

Definition at line 509 of file SnakeBird.cpp.

SmallerMapHeight()

void SnakeBird::SnakeBird::SmallerMapHeight

(

)

Definition at line 214 of file SnakeBird.cpp.

References GetX(), GetY(), height, SnakeBird::kDown, SnakeBird::kEmpty, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kUp, and width.

SmallerMapWidth()

void SnakeBird::SnakeBird::SmallerMapWidth

(

)

Definition at line 411 of file SnakeBird.cpp.

References GetX(), GetY(), SnakeBird::kDown, SnakeBird::kLeft, SnakeBird::kRight, SnakeBird::kUp, and width.

StoreGoal()

void SnakeBird::SnakeBird::StoreGoal ( SnakeBirdState &  s )

inline

Stores the goal for use by single-state HCost.

Definition at line 333 of file SnakeBird.h.

UndoAction()

void SnakeBird::SnakeBird::UndoAction ( SnakeBirdState &  s, SnakeBirdAction  a  ) const

inline

Definition at line 321 of file SnakeBird.h.

Member Data Documentation

editing

bool SnakeBird::SnakeBird::editing

private

Definition at line 437 of file SnakeBird.h.

exitLoc

int SnakeBird::SnakeBird::exitLoc

private

Definition at line 435 of file SnakeBird.h.

fruit

std::vector<int> SnakeBird::SnakeBird::fruit

private

Definition at line 430 of file SnakeBird.h.

height

int SnakeBird::SnakeBird::height

private

Definition at line 425 of file SnakeBird.h.

objectFullyConnected

std::array<bool, 4> SnakeBird::SnakeBird::objectFullyConnected

private

Definition at line 433 of file SnakeBird.h.

objects

std::array<std::vector<int>, 4> SnakeBird::SnakeBird::objects

private

Definition at line 432 of file SnakeBird.h.

portal1Loc

int SnakeBird::SnakeBird::portal1Loc

private

Definition at line 434 of file SnakeBird.h.

portal2Loc

int SnakeBird::SnakeBird::portal2Loc

private

Definition at line 434 of file SnakeBird.h.

render

std::array<SnakeBirdWorldObject, 512> SnakeBird::SnakeBird::render

mutableprivate

Definition at line 428 of file SnakeBird.h.

startState

SnakeBirdState SnakeBird::SnakeBird::startState

private

Definition at line 436 of file SnakeBird.h.

width

int SnakeBird::SnakeBird::width

private

Definition at line 425 of file SnakeBird.h.

world

std::array<SnakeBirdWorldObject, 512> SnakeBird::SnakeBird::world

private

Definition at line 427 of file SnakeBird.h.

---

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

• /home/sturtevant/nightly/hog2/environments/SnakeBird.h
• /home/sturtevant/nightly/hog2/environments/SnakeBird.cpp