int Player::gainOrLoseLife(int value)
{
if (!value)
return 0; //Don't do anything if there's no actual life change
if (value>0 && (opponent()->game->battlefield->hasAbility(Constants::NOLIFEGAINOPPONENT)||game->battlefield->hasAbility(Constants::NOLIFEGAIN)))//nolifegain
return 0;
thatmuch = abs(value); //the value that much is a variable to be used with triggered abilities.
//ie:when ever you gain life, draw that many cards. when used in a trigger draw:thatmuch, will return the value
//that the triggered event stored in the card for "that much".
if (!inPlay()->hasAbility(Constants::CANTCHANGELIFE))
life+=value;
if (value<0)
lifeLostThisTurn += abs(value);
else if (value > 0)
{
lifeGainedThisTurn += abs(value);
}
//Send life event to listeners
WEvent * lifed = NEW WEventLife(this,value);
observer->receiveEvent(lifed);
return value;
}
void SuperBall::paddle_launch(Vector3D norm, Vector3D paddle_velocity)
{
if (!inPlay())
{
_ball->launch(C_VELOCITY_REDUCE * (norm + paddle_velocity));
}
}
int SuperBall::tick()
{
if (!inPlay()) return 1;
Point3D to = _ball->getPosition();
m_transform = translation(Vector3D(to[0], to[1], to[2]));
return 0;
}
void AI::generateMoves(fizGTableState state, set<shot>& moves, turn_T turn){
//for each ball
fizBall cueBall = state.getBall(CUE);
//must have been a scratch, ball in hand...figure out what to do
if(!inPlay(cueBall)) return;
fizPoint cueBallPos = cueBall.getPos();
BallType firstBall, lastBall;
switch(turn){
case stripes:
firstBall = EIGHT;
lastBall = FIFTEEN;
break;
case solids:
firstBall = ONE;
lastBall = EIGHT;
break;
case table_open:
firstBall = ONE;
lastBall = FIFTEEN;
break;
}
for(BallType ballNum = firstBall; ballNum <= lastBall; ballNum = (BallType)(ballNum + 1)){
if(ballNum == EIGHT && !isOnly8Left(state, (turn == solids))) continue;
fizBall ball = state.getBall(ballNum);
//if ball is not in play
if(!inPlay(ball)) continue;
fizPoint ballPos = ball.getPos();
//for each pocket, generate a straight in shot
int numOfPockets = 6;
BoundaryId pockets[] = {SW_POCKET, W_POCKET, NW_POCKET, NE_POCKET, E_POCKET, SE_POCKET};
for(int i = 0; i < numOfPockets; i++){
//get ball position, cue ball position, and pocket position
//calculate ghost ball position
//calculate theta, a, b, phi, and minVelocity
fizPoint pocketPos = theTable->getPocketCenter(pockets[i]);
//make sure shot is possible
//if(!shotPossible(cueBallPos, ballPos, pocketPos)) continue;
//get ball-pocket line and cue-ghostball line
double yDiff = fabs(pocketPos.y - ballPos.y);
double xDiff = fabs(pocketPos.x - ballPos.x);
double ballPocketAngle = atan( yDiff / xDiff);
double deltaX = ballDiameter * cos(ballPocketAngle);
double deltaY = ballDiameter * sin(ballPocketAngle);
if(ballPos.x < pocketPos.x) deltaX = -deltaX;
if(ballPos.y < pocketPos.y) deltaY = -deltaY;
double ghostX = ballPos.x + deltaX;
double ghostY = ballPos.y + deltaY;
fizPoint ghostPos(ballPos.x + deltaX, ballPos.y + deltaY);
//make sure no balls are in the way
//this should also make sure that the shot is possible because
//if it is not possible then the target ball will be in the way of the cue and ghost
vec2 p1;
p1.x = cueBallPos.x;
p1.y = cueBallPos.y;
vec2 p2;
p2.x = ghostPos.x;
p2.y = ghostPos.y;
if(!isTrajectoryClear(p1, p2, state, -1)) continue;
p1.x = ballPos.x;
p1.y = ballPos.y;
p2.x = pocketPos.x;
p2.y = pocketPos.y;
if(!isTrajectoryClear(p1, p2, state, -1)) continue;
//ok create the shot
//set a, b to zero
//find minimum velocity
//find cue angle and elevation angle
shot theShot;
theShot.a = 0; //positive is to right of center (mm)
theShot.b = 0; //positive is up from center (mm)
//theShot.v = 1; //have to calculate the minimum required velocity (m/s) max = 4.5
xDiff = fabs(cueBallPos.x - ghostPos.x);
yDiff = fabs(cueBallPos.y - ghostPos.y);
theShot.phi = atan(yDiff / xDiff);
//convert to degrees
theShot.phi *= (180.0 / M_PI);
//find true angle
if(cueBallPos.x < ghostPos.x){
if(cueBallPos.y > ghostPos.y){
theShot.phi = -theShot.phi;
}
else{
//have correct angle
}
}
else{
if(cueBallPos.y < ghostPos.y){
theShot.phi = 180 - theShot.phi;//90 + theShot.phi;
}
else{
theShot.phi = 180 + theShot.phi; //180 + theShot.phi;
}
}
//distance from ball to pocket
theShot.d1 = pointDistance(ballPos, pocketPos);
//distance from cue to ghost
theShot.d2 = pointDistance(cueBallPos, ghostPos);
//slopes of lines, to determine angles
yDiff = ballPos.y - pocketPos.y;
xDiff = ballPos.x - pocketPos.x;
double yDiff2 = cueBallPos.y - ghostPos.y;
double xDiff2 = cueBallPos.x - ghostPos.x;
theShot.cutAngle = angleBetweenLines(yDiff, xDiff, yDiff2, xDiff2);
//determine the pocket angle
bool isCorner = true;
switch(pockets[i]){
case W_POCKET:
case E_POCKET:
yDiff2 = 0;
xDiff2 = 1;
isCorner = false;
break;
case SW_POCKET:
yDiff2 = 1;
xDiff2 = 1;
break;
case NW_POCKET:
yDiff2 = -1;
xDiff2 = 1;
break;
case NE_POCKET:
yDiff2 = -1;
xDiff2 = -1;
break;
case SE_POCKET:
yDiff2 = 1;
xDiff2 = -1;
break;
}
theShot.pocketAngle = angleBetweenLines(yDiff, xDiff, yDiff2, xDiff2);
theShot.v = vTable.getMinVelocity(theShot.d2, theShot.d1, theShot.cutAngle) + .2;
if(theShot.v < 0){
continue;
}
ShotData shotCopy;
shotCopy.a = theShot.a;
shotCopy.b = theShot.b;
shotCopy.v = theShot.v;
shotCopy.theta = 2;
shotCopy.phi = theShot.phi;
theShot.theta = findMinTheta(*theTable, state, shotCopy); //elevation angle (degrees)
theShot.ball = ballNum;
theShot.pocket = pockets[i];
theShot.probability = pTable.getProb(theShot.d1, theShot.d2, theShot.cutAngle, theShot.pocketAngle, isCorner);
if(theShot.probability == 0) theShot.probability = .001;
//add shot to the list
moves.insert(theShot);
}
}
}
