void Squad::computeActions()
{
if (!active)
{
if (isFull())
{
active = true;
}
}
if (active)
{
int noAlive = 0;
int noDead = 0;
for (int i = 0; i < (int)agents.size(); i++)
{
if (agents.at(i)->isAlive())
{
noAlive++;
}
if (!agents.at(i)->isAlive())
{
noDead++;
}
}
if ((int)agents.size() > 0)
{
if (noAlive <= ((int)agents.size() / 10))
{
noAlive = 0;
}
}
if (noAlive == 0)
{
active = false;
clearGoal();
return;
}
}
if (active)
{
if (activePriority != priority)
{
priority = activePriority;
}
}
checkAttack();
}
bool Entity::update( long Elapsed, float *XMove, float *YMove){
float MoveX, MoveY, Speed;
float XDiff, YDiff, Dist, Radius;
//float y1, y2;
//long i, SpellNum;
//bool SpellCast;
// Entity *CharPtr;
// Clear movements and action
MoveX = MoveY = 0.0f;
// Calculate movement speed
Speed = (float)Elapsed / 1000.0f * getSpeed(this);
// Move Character based on their type
switch (this->AI) {
case CHAR_STAND:
break;
case CHAR_WANDER:
// Calculate new distance and direction if needed
this->Distance -= Elapsed;
if (this->Distance <= 0.0f) {
// Calculate a new distance to travel
this->Distance = (float)(rand() % 2000) + MAXIMUM_WALKING_DISTANCE_OFFSET;
// Calculate a new direction
calculateDirection();
}
// Process walk or stand still
if (this->Distance > MINIMUM_WALKING_DISTANCE) {
MoveX = (float)sin(this->Direction) * Speed;
MoveY = (float)cos(this->Direction) * Speed;
this->Action = CHAR_MOVE;
}
else {//The padding in between zero and the min walking distance
//With out this padding, the entity will never idle,eg. continously walk and changing directions
// Stand still for random amount of time
this->Action = CHAR_IDLE;
}
break;
case CHAR_ROUTE:
// Determine if character has reached point
XDiff = (float)fabs(this->sprite.getPosition().x - this->routes[this->CurrentPoint].XPos);
YDiff = (float)fabs(this->sprite.getPosition().y - this->routes[this->CurrentPoint].YPos);
Dist = XDiff*XDiff + YDiff*YDiff;
Radius = getXYRadius(this) * 0.25f;
// Go to next point if reached
if (Dist < (Radius*Radius)) {
this->CurrentPoint++;
if (this->CurrentPoint > this->NumPoints)
this->CurrentPoint = 0;
// Calculate new differences and distance
XDiff = (float)fabs(this->sprite.getPosition().x - this->routes[this->CurrentPoint].XPos);
YDiff = (float)fabs(this->sprite.getPosition().y - this->routes[this->CurrentPoint].YPos);
Dist = XDiff*XDiff + YDiff*YDiff;
}
// Setup movement towards target
Dist = (float)sqrt(Dist);
if (Speed > Dist)
Speed = Dist;
MoveX = (this->routes[this->CurrentPoint].XPos - this->sprite.getPosition().x) / Dist * Speed;
MoveY = (this->routes[this->CurrentPoint].YPos - this->sprite.getPosition().y) / Dist * Speed;
// Set new direction
this->Direction = (float)atan2(MoveX, MoveY);
// Set new action
this->Action = CHAR_MOVE;
break;
case CHAR_FOLLOW:
if (this->TargetChar != NULL) {
// Check distance between thiss
XDiff = (float)fabs(this->sprite.getPosition().x - this->TargetChar->sprite.getPosition().x);
YDiff = (float)fabs(this->sprite.getPosition().y - this->TargetChar->sprite.getPosition().y);
Dist = XDiff*XDiff + YDiff*YDiff;
// Update if further then distance
if (Dist > (this->Distance*this->Distance)) {
// Setup movement towards target
Dist = (float)sqrt(Dist);
if (Speed > Dist)
Speed = Dist;
MoveX = (this->TargetChar->sprite.getPosition().x - this->sprite.getPosition().x) / Dist * Speed;
MoveY = (this->TargetChar->sprite.getPosition().y - this->sprite.getPosition().y) / Dist * Speed;
// Set new direction
this->Direction = (float)atan2(MoveX, MoveY);
// Set new action
this->Action = CHAR_MOVE;
}
}
break;
case CHAR_EVADE:
if (this->TargetChar != NULL) {
// Check distance between thiss
XDiff = (float)fabs(this->sprite.getPosition().x - this->TargetChar->sprite.getPosition().x);
YDiff = (float)fabs(this->sprite.getPosition().y - this->TargetChar->sprite.getPosition().y);
Dist = XDiff*XDiff + YDiff*YDiff;
// Update if closer then distance
if (Dist < (this->Distance*this->Distance)) {
// Setup movement away from target
Dist = (float)sqrt(Dist);
if (Speed > Dist)
Speed = Dist;
MoveX = -(this->TargetChar->sprite.getPosition().x - this->sprite.getPosition().x) / Dist * Speed;
MoveY = -(this->TargetChar->sprite.getPosition().y - this->sprite.getPosition().y) / Dist * Speed;
// Set new direction
this->Direction = (float)atan2(MoveX, MoveY);
// Set new action
this->Action = CHAR_MOVE;
}
}
break;
}//End switch
checkAttack(CHAR_MONSTER, CHAR_PC, Radius, Dist, XDiff, YDiff, MoveX, MoveY);
*XMove = MoveX;
*YMove = MoveY;
return true;
}
