void CEnemy::RetreatHome()
{
if (_state != EnemyStateEyes) {
changeState(EnemyStateEyes); // we got eaten
Move(chooseDirection(_startX, _startY));
}
}
//----------------------------------------------------------------
void GRTrill::placeMord (GREvent * inParent, NVPoint & newPoint)
{
// Checks the direction of the stems
const GDirection dir = chooseDirection( inParent ); // dir = stemDir
const GRStaff * staff = inParent->getGRStaff();
const float currLSpace = staff->getStaffLSPACE();
const float halfSpace = float(0.5) * currLSpace;
if( dir == dirUP )
{
if (newPoint.y >= inParent->getStemLength())
{
newPoint.y = -halfSpace;
}
else
{
newPoint.y -= (halfSpace + inParent->getStemLength());
}
}
else // stemDown
{
if ( newPoint.y > 0)
{
newPoint.y = -halfSpace;
}
else
{
newPoint.y -= halfSpace;
}
}
}
//-------------------------------------------------------------------
void GRTrill::tellPosition( GObject * caller, const NVPoint & np )
{
fType = static_cast<ARTrill *>(mAbstractRepresentation)->getType();
GREvent * ev = dynamic_cast<GREvent *>(caller);
if (ev)
{
const int dir = chooseDirection(ev);
NVPoint newPoint (np);
const bool upward = (dir == dirUP);
if( upward ) // if stemsUp
{
if (newPoint.y >= ev->getStemLength())
newPoint.y = -LSPACE;
else
newPoint.y -= (ev->getStemLength() + LSPACE);
}
else
{
newPoint.y = (newPoint.y > 0)? -LSPACE : newPoint.y - 1.5f*LSPACE;
}
setPosition(newPoint);
// Accidental
NVPoint accidentalPos = NVPoint(newPoint);
accidentalPos.x += GetSymbolExtent(mSymbol)*0.5f + 0.4f*LSPACE;
accidentalPos.y -= 1.5f*LSPACE;
fAccidental->setPosition(accidentalPos);
}
}
void CEnemy::Update()
{
CEntity::Update(); // animation and movement stuff
// handling new movement in different states
if (!_moving && _state == EnemyStateScatter)
{
Move(chooseDirection(_scatterX, _scatterY)); // try to move to our scatter corner
}
else if (!_moving && _state == EnemyStateChase)
{
Move(chooseDirection(_chaseX, _chaseY)); // try to move to our chase position (different for every ghost)
}
else if (!_moving && _state == EnemyStateFrighten)
{
while (true) { // just move in random direction
int direction = rand() % 4;
if (!isReverse((Direction)direction)) {
Move((Direction)direction);
if (_moving) {
break;
}
}
}
}
else if (!_moving && _state == EnemyStateEyes)
{
if (getXposition() == _startX && getYposition() == _startY) {
Reset(); // reset our states when home reached
_state = EnemyStateChase;
Update(); // start chase over
}
else {
Move(chooseDirection(_startX, _startY)); // go home
}
}
}
/*
* Make a new step
*/
direction pathfinder_NextStep(direction currentDirection, uint8_t x, uint8_t y)
{
// first check if we have reached the target already
if ((x == targetX) && (y == targetY)) {
// we ain't going anywhere soon!
return NONE;
}
setCursorPosLCD(0, 2);
writeIntegerLCD(root->x, DEC);
setCursorPosLCD(0, 5);
writeIntegerLCD(root->y, DEC);
setCursorPosLCD(1, 0);
writeIntegerLCD(current->count, DEC);
setCursorPosLCD(1, 4);
writeIntegerLCD(nodeCount, DEC);
// now check if we can only go one direction
if (hal_hasWallLeft() && hal_hasWallRight() && !hal_hasWallFront()) {
return currentDirection;
} else if (hal_hasWallLeft() && !hal_hasWallRight() && hal_hasWallFront()) {
return turnRight(currentDirection);
} else if (!hal_hasWallLeft() && hal_hasWallRight() && hal_hasWallFront()) {
return turnLeft(currentDirection);
}
// we cannot keep cruising normally
// get the node or create a new one
struct node *node = getNode(current);
if (!node) {
node = createNode(current, currentDirection, x, y);
}
if (hal_hasWallLeft() && hal_hasWallRight() && hal_hasWallFront()) {
// dead end
current = node;
currentDirection = turnAround(currentDirection);
} else {
// ok, decide where we're gonna go
chooseDirection(currentDirection, node, x, y);
current = node;
}
lastDirection = currentDirection;
return currentDirection;
}
// If the player doesn't move the character it will start to move around the room in randomly selected directions
void Character::moveCharacter(const Uint8* keyboardState)
{
// checks for keyboard input if there is none it assigns a random directions
chooseDirection(keyboardState);
// if the direction will keep the charcter on screen and is part of a room move Character down
if (direction == 0 && getY() + getSpeed() < windowHeight && isCellARoom(getX(), getY() + getSpeed()))
{
// If the Characer is wandering also check is the cell is a door
if (isWandering == true && isCellADoor(getX(), getY() + getSpeed()))
direction = rand() % 4;
else
setY(getY() + getSpeed());
}
// if the direction will keep the charcter on screen and is part of a room move Character up
else if (direction == 1 && (getY() + getSpeed()) > 0 && isCellARoom(getX(), getY() - getSpeed()))
{
// If the Characer is wandering also check is the cell is a door
if (isWandering == true && isCellADoor(getX(), getY() - getSpeed()))
direction = rand() % 4;
else
setY(getY() - getSpeed());
}
// if the direction will keep the charcter on screen and is part of a room move Character right
else if (direction == 2 && (getX() + getSpeed()) < windowWidth && isCellARoom(getX() + getSpeed(), getY()))
{
// If the Characer is wandering also check is the cell is a door
if (isWandering == true && isCellADoor(getX() + getSpeed(), getY()))
direction = rand() % 4;
else
setX(getX() + getSpeed());
}
// if the direction will keep the charcter on screen and is part of a room move Character left
else if (direction == 3 && (getX() - getSpeed()) > 0 && isCellARoom(getX() - getSpeed(), getY()))
{
// If the Characer is wandering also check is the cell is a door
if (isWandering == true && isCellADoor(getX() - getSpeed(), getY()))
direction = rand() % 4;
else
setX(getX() - getSpeed());
}
// If Character cannot move in current direction randomly choose a new one
else
{
direction = rand() % 4;
}
}
int main(void){
char board[SIZE][SIZE] = { '.' }, currentLetter = 'B';
int currentRow = 0, currentColumn = 0, direction, movesTried = 0;;
for(int i = 0; i < SIZE; i++){
for(int j = 0; j < SIZE; j++){
board[i][j] = '.';
}
}
board[0][0] = 'A';
initRNG();
while(movesTried < 4 && currentLetter != 'Z'+1 ){
direction = chooseDirection();
switch((direction + movesTried) % DIRECTIONS){
case 0:
if(currentColumn - 1 >= 0){
if(board[currentRow][currentColumn - 1] == '.'){
board[currentRow][--currentColumn] = currentLetter++;
movesTried = 0;
}else{
movesTried++;
}
}
break;
case 1:
if(currentRow - 1 >= 0){
if(board[currentRow - 1][currentColumn] == '.'){
board[--currentRow][currentColumn] = currentLetter++;
movesTried = 0;
}else{
}
movesTried++;
}
break;
case 2:
if(currentColumn + 1 != SIZE){
if(board[currentRow][currentColumn + 1] == '.'){
board[currentRow][++currentColumn] = currentLetter++;
movesTried = 0;
}else{
}
movesTried++;
}
break;
case 3:
if(currentRow + 1 != SIZE){
if(board[currentRow + 1][currentColumn] == '.'){
board[++currentRow][currentColumn] = currentLetter++;
movesTried = 0;
}else{
movesTried++;
}
}
break;
}
}
for(int i = 0; i < SIZE; i++){
for(int j = 0; j < SIZE; j++){
printf("%c",board[i][j]);
}
printf("\n");
}
return 0;
}
