bool CLightningCannon::TryTarget(const float3& pos, bool userTarget, CUnit* unit)
{
if (!CWeapon::TryTarget(pos, userTarget, unit))
return false;
if (!weaponDef->waterweapon && TargetUnitOrPositionInWater(pos, unit))
return false;
float3 dir = pos - weaponMuzzlePos;
float length = dir.Length();
if (length == 0)
return true;
dir /= length;
if (!HaveFreeLineOfFire(weaponMuzzlePos, dir, length, unit)) {
return false;
}
if (avoidFeature && TraceRay::LineFeatureCol(weaponMuzzlePos, dir, length)) {
return false;
}
if (avoidFriendly && TraceRay::TestAllyCone(weaponMuzzlePos, dir, length, (accuracy + sprayAngle), owner->allyteam, owner)) {
return false;
}
if (avoidNeutral && TraceRay::TestNeutralCone(weaponMuzzlePos, dir, length, (accuracy + sprayAngle), owner)) {
return false;
}
return true;
}
bool CBeamLaser::TryTarget(const float3& pos, bool userTarget, CUnit* unit)
{
if (!CWeapon::TryTarget(pos, userTarget, unit))
return false;
if (!weaponDef->waterweapon) {
if (unit) {
if (unit->isUnderWater)
return false;
} else {
if (pos.y < 0)
return false;
}
}
float3 dir = pos - weaponMuzzlePos;
float length = dir.Length();
if (length == 0)
return true;
dir /= length;
if (!onlyForward) {
if (!HaveFreeLineOfFire(weaponMuzzlePos, dir, length, unit)) {
return false;
}
}
const float spread =
(accuracy + sprayAngle) *
(1.0f - owner->limExperience * weaponDef->ownerExpAccWeight);
if (avoidFeature && TraceRay::LineFeatureCol(weaponMuzzlePos, dir, length)) {
return false;
}
if (avoidFriendly && TraceRay::TestAllyCone(weaponMuzzlePos, dir, length, spread, owner->allyteam, owner)) {
return false;
}
if (avoidNeutral && TraceRay::TestNeutralCone(weaponMuzzlePos, dir, length, spread, owner)) {
return false;
}
return true;
}
bool CMissileLauncher::TryTarget(const float3& pos, bool userTarget, CUnit* unit)
{
if (!CWeapon::TryTarget(pos, userTarget, unit))
return false;
if (!weaponDef->waterweapon) {
if (unit) {
if (unit->isUnderWater) {
return false;
}
} else {
if (pos.y < 0)
return false;
}
}
float3 dir = pos - weaponMuzzlePos;
if (weaponDef->trajectoryHeight > 0) {
// do a different test depending on if the missile has a high trajectory or not
float3 flatdir(dir.x, 0, dir.z);
dir.Normalize();
float flatlength = flatdir.Length();
if (flatlength == 0)
return true;
flatdir /= flatlength;
const float linear = dir.y + weaponDef->trajectoryHeight;
const float quadratic = -weaponDef->trajectoryHeight / flatlength;
const float gc = ((collisionFlags & Collision::NOGROUND) == 0)?
ground->TrajectoryGroundCol(weaponMuzzlePos, flatdir, flatlength - 30, linear, quadratic):
-1.0f;
if (gc > 0.0f)
return false;
if (avoidFriendly && TraceRay::TestTrajectoryAllyCone(weaponMuzzlePos, flatdir, flatlength - 30, linear, quadratic, 0, 8, owner->allyteam, owner)) {
return false;
}
if (avoidNeutral && TraceRay::TestTrajectoryNeutralCone(weaponMuzzlePos, flatdir, flatlength - 30, linear, quadratic, 0, 8, owner)) {
return false;
}
} else {
float length = dir.Length();
if (length == 0)
return true;
dir /= length;
if (!onlyForward) {
if (!HaveFreeLineOfFire(weaponMuzzlePos, dir, length)) {
return false;
}
} else {
float3 goaldir = pos - owner->pos;
goaldir.Normalize();
if (owner->frontdir.dot(goaldir) < maxAngleDif)
return false;
}
if (avoidFriendly && TraceRay::TestAllyCone(weaponMuzzlePos, dir, length, (accuracy + sprayAngle), owner->allyteam, owner)) {
return false;
}
if (avoidNeutral && TraceRay::TestNeutralCone(weaponMuzzlePos, dir, length, (accuracy + sprayAngle), owner)) {
return false;
}
}
return true;
}
