AIMovementModule Class Reference

#include <ai_movement_module.h>

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Public Member Functions
	AIMovementModule ()
void	BeginTurn ()
void	Move (uint current_time)
void	StopMoving ()
Private Types
	NO_MOVEMENT
	WALKING
	BACK_TO_JUMP
	JUMPING
	FLYING
	ROPING
enum	movement_type_t {   NO_MOVEMENT, WALKING, BACK_TO_JUMP, JUMPING,   FLYING, ROPING }
Private Member Functions
void	InverseDirection ()
void	MakeStep ()
void	Walk ()
void	StopWalking ()
void	PrepareJump ()
void	GoBackToJump ()
void	Jump ()
void	EndOfJump ()
bool	ObstacleHeight (int &height)
bool	RiskGoingOutOfMap ()
Private Attributes
uint	m_current_time
Point2i	last_position
uint	time_at_last_position
Point2i	last_blocked_position
movement_type_t	current_movement

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Detailed Description

Definition at line 26 of file ai_movement_module.h.

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Member Enumeration Documentation

enum AIMovementModule::movement_type_t [private]

Enumerator:

NO_MOVEMENT
WALKING
BACK_TO_JUMP
JUMPING
FLYING
ROPING

Definition at line 29 of file ai_movement_module.h.

               {
    NO_MOVEMENT,
    WALKING,
    BACK_TO_JUMP,
    JUMPING,
    FLYING,
    ROPING,
  } movement_type_t;

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Constructor & Destructor Documentation

AIMovementModule::AIMovementModule

(

)

Definition at line 299 of file ai_movement_module.cpp.

{
  std::cout << "o Artificial Intelligence Movement module initialization" << std::endl;
}

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Member Function Documentation

void AIMovementModule::BeginTurn

(

)

Definition at line 291 of file ai_movement_module.cpp.

{
  current_movement = NO_MOVEMENT;
  time_at_last_position = 0;
  last_position = Point2i(0,0);
  last_blocked_position = Point2i(0,0);
}

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void AIMovementModule::EndOfJump

(

)

[private]

Definition at line 145 of file ai_movement_module.cpp.

{
  assert(current_movement = JUMPING);

  //GameMessages::GetInstance()->Add("finished to jump");
  
  
  if ( last_position.GetX() == ActiveCharacter().GetPosition().GetX() ) {
    // we have not moved since last movement
    StopMoving();
    
  } else {
    // No more blocked !!
    current_movement = WALKING;
  }  
}

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void AIMovementModule::GoBackToJump

(

)

[private]

Definition at line 120 of file ai_movement_module.cpp.

{
  assert(current_movement = BACK_TO_JUMP);

  MakeStep();

  int height;
  bool blocked = !(ObstacleHeight(height));

  if ( abs(last_position.GetX() - ActiveCharacter().GetPosition().GetX()) >= 20
       || time_at_last_position +1 < m_current_time
       || blocked) {
    //it's time to jump!
    InverseDirection();
    Jump();
  }
}

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void AIMovementModule::InverseDirection

(

)

[private]

Definition at line 233 of file ai_movement_module.cpp.

{
  if (ActiveCharacter().GetDirection() == Body::DIRECTION_RIGHT) {
    ActiveCharacter().SetDirection(Body::DIRECTION_LEFT);
  } else {
    ActiveCharacter().SetDirection(Body::DIRECTION_RIGHT);
  }
}

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void AIMovementModule::Jump

(

)

[private]

Definition at line 138 of file ai_movement_module.cpp.

{
  //  GameMessages::GetInstance()->Add("try to jump!");
  current_movement = JUMPING;
  ActionHandler::GetInstance()->NewAction (new Action(Action::ACTION_HIGH_JUMP));
}

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void AIMovementModule::MakeStep

(

)

[private]

Definition at line 45 of file ai_movement_module.cpp.

{
  if(ActiveCharacter().IsImmobile()) {
    if (ActiveCharacter().GetDirection() == Body::DIRECTION_RIGHT) {
      MoveCharacterRight(ActiveCharacter());
    }  else {
      MoveCharacterLeft(ActiveCharacter());
    }
  }
}

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void AIMovementModule::Move

(

uint

current_time

)

Definition at line 245 of file ai_movement_module.cpp.

{
  m_current_time = current_time;

  // are we on the ground ?
  if ( ActiveCharacter().FootsInVacuum() ) { // No!
    return;
  }

  switch (current_movement) {

  case NO_MOVEMENT:
    // Begin to walk
    Walk();
    break;

  case WALKING:
    // Continue to walk
    Walk();
    break;

  case BACK_TO_JUMP:
    // Go back to have enough place to jump
    GoBackToJump();
    break;

  case JUMPING:
    EndOfJump();
 
    break;
  default:
    break;
  }
}

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bool AIMovementModule::ObstacleHeight

(

int &

height

)

[private]

Definition at line 61 of file ai_movement_module.cpp.

{
  if (ComputeHeightMovement(ActiveCharacter(), height, false))
    return true;

  int y_floor=ActiveCharacter().GetY();
  if (height < 0) {

    for (height = -15; height >= -150 ; height--) {
      if ( ActiveCharacter().IsInVacuum( Point2i(ActiveCharacter().GetDirection(), height) ) ) {
        break;
      }
    }

  } else {

    // Compute exact whole size
    for (height = 15; height <= 150 ; height++){
      if ( !ActiveCharacter().IsInVacuum(Point2i(ActiveCharacter().GetDirection(), height))
          ||  ActiveCharacter().FootsOnFloor(y_floor+height)){
        break;
      }
    }

  }
  return false;
}

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void AIMovementModule::PrepareJump

(

)

[private]

Definition at line 110 of file ai_movement_module.cpp.

{
  ActiveCharacter().body->StartWalk();
  
  current_movement = BACK_TO_JUMP;
  time_at_last_position = m_current_time;

  InverseDirection();
}

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bool AIMovementModule::RiskGoingOutOfMap

(

)

[private]

Definition at line 89 of file ai_movement_module.cpp.

{
  if ( ActiveCharacter().GetDirection() == Body::DIRECTION_LEFT &&
       ActiveCharacter().GetX() <= 5 ) {
    return true;
  } else if ( ActiveCharacter().GetDirection() == Body::DIRECTION_RIGHT &&
              world.GetWidth() - 5 <= ActiveCharacter().GetX() + ActiveCharacter().GetSize().GetX() ) {
    return true;
  }

  return false;
}

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void AIMovementModule::StopMoving

(

)

Definition at line 280 of file ai_movement_module.cpp.

{
  //  GameMessages::GetInstance()->Add("stop moving");
  StopWalking();
  //m_step++;
}

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void AIMovementModule::StopWalking

(

)

[private]

Definition at line 223 of file ai_movement_module.cpp.

{
  current_movement = NO_MOVEMENT;
  ActiveCharacter().body->StopWalk();
}

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void AIMovementModule::Walk

(

)

[private]

Definition at line 168 of file ai_movement_module.cpp.

{
  // Animate skin
  if ( current_movement != WALKING ) {
    ActiveCharacter().InitMouvementDG(100);
    ActiveCharacter().body->StartWalk();
    current_movement = WALKING;
  }

  MakeStep();

  int height;
  bool blocked = !(ObstacleHeight(height));

  // we are blocked, what next ?
  if ( blocked ) {

    if ( last_blocked_position.GetX() != ActiveCharacter().GetPosition().GetX() ) {
      
      last_blocked_position = ActiveCharacter().GetPosition();
      
      if (height < 0 ) {
        // There's a barrier
        
        if (height >= -80) { // we can try to jump!
          PrepareJump();
          return; // do not update position
        } else { // it's too high!
          //      GameMessages::GetInstance()->Add("It's too high!!");
          InverseDirection();
        }
      } else {
        // There's a hole
        
        if (height >= 100) { // it's too deep, go back!!
          //      GameMessages::GetInstance()->Add("It's too deep!" + ulong2str(height));
          InverseDirection();
        }
      }
    } else {
      // already have been blocked here...
      InverseDirection();
    }
  }

  // Inverse direction if there is a risk to go out of the map
  if (RiskGoingOutOfMap()) {
    InverseDirection();
  }

  // Update position if we are not jumping
  last_position = ActiveCharacter().GetPosition();
  time_at_last_position = m_current_time;
}

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Member Data Documentation

movement_type_t AIMovementModule::current_movement [private]

Definition at line 43 of file ai_movement_module.h.

Point2i AIMovementModule::last_blocked_position [private]

Definition at line 42 of file ai_movement_module.h.

Point2i AIMovementModule::last_position [private]

Definition at line 40 of file ai_movement_module.h.

uint AIMovementModule::m_current_time [private]

Definition at line 38 of file ai_movement_module.h.

uint AIMovementModule::time_at_last_position [private]

Definition at line 41 of file ai_movement_module.h.

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

• src/ai/ai_movement_module.h
• src/ai/ai_movement_module.cpp

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