bool CCannon::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;
}
}
}
if (projectileSpeed == 0) {
return true;
}
float3 dif(pos - weaponMuzzlePos);
float3 dir(GetWantedDir(dif));
if (dir.SqLength() == 0) {
return false;
}
float3 flatdir(dif.x, 0, dif.z);
float flatlength = flatdir.Length();
if (flatlength == 0) {
return true;
}
flatdir /= flatlength;
float gc = ground->TrajectoryGroundCol(weaponMuzzlePos, flatdir, flatlength - 10,
dir.y , gravity / (projectileSpeed * projectileSpeed) * 0.5f);
if (gc > 0) {
return false;
}
const float quadratic = gravity / (projectileSpeed * projectileSpeed) * 0.5f;
const float spread =
((accuracy + sprayAngle) * 0.6f) *
((1.0f - owner->limExperience * weaponDef->ownerExpAccWeight) * 0.9f);
if (avoidFriendly && helper->TestTrajectoryCone(weaponMuzzlePos, flatdir,
flatlength - 30, dir.y, quadratic, spread, 3, owner, CGameHelper::TEST_ALLIED)) {
return false;
}
if (avoidNeutral && helper->TestTrajectoryCone(weaponMuzzlePos, flatdir,
flatlength - 30, dir.y, quadratic, spread, 3, owner, CGameHelper::TEST_NEUTRAL)) {
return false;
}
return true;
}
bool CCannon::TryTarget(const float3 &pos,bool userTarget,CUnit* unit)
{
if(!CWeapon::TryTarget(pos,userTarget,unit))
return false;
if(unit) {
if(unit->isUnderWater)
return false;
} else {
if(pos.y<0)
return false;
}
if (projectileSpeed == 0)
return true;
float3 dif(pos-weaponPos);
float predictTime=dif.Length()/projectileSpeed;
if(predictTime==0)
return true;
if(highTrajectory)
predictTime=(minPredict+maxPredict)*0.5f;
dif.y-=predictTime*predictTime*gs->gravity*0.5f;
float length=dif.Length();
float3 dir(dif/length);
float3 flatdir(dif.x,0,dif.z);
float flatlength=flatdir.Length();
if(flatlength==0)
return true;
flatdir/=flatlength;
float gc=ground->TrajectoryGroundCol(weaponPos,flatdir,flatlength-10,dif.y/flatlength,gs->gravity/(projectileSpeed*projectileSpeed)*0.5f);
if(gc>0)
return false;
/* gc=ground->LineGroundCol(wpos+dir*(length*0.5f),pos,false);
if(gc>0 && gc<length*0.40f)
return false;
*/
if(avoidFriendly && helper->TestTrajectoryCone(weaponPos,flatdir,flatlength-30,dif.y/flatlength,gs->gravity/(projectileSpeed*projectileSpeed)*0.5f,(accuracy+sprayangle)*0.6f*(1-owner->limExperience*0.9f)*0.9f,3,owner->allyteam,owner)) {
return false;
}
/* if(helper->TestCone(weaponPos,dir,length*0.5f,(accuracy+sprayangle)*1.2f*(1-owner->limExperience*0.9f)*0.9f,owner->allyteam,owner)){
return false;
}
float3 dir2(dif);
dir2.y+=predictTime*predictTime*gs->gravity; //compensate for the earlier up prediction
dir2.Normalize();
if(helper->TestCone(weaponPos+dir*(length*0.5f),dir2,length*0.5f,(accuracy+sprayangle)*!userTarget*(1-owner->limExperience*0.9f)*0.6f,owner->allyteam,owner)){
return false;
}*/
return true;
}
bool CMissileLauncher::TryTarget(const float3& pos,bool userTarget,CUnit* unit)
{
if(!CWeapon::TryTarget(pos,userTarget,unit))
return false;
if(unit){
if(unit->isUnderWater){
return false;
}
} else {
if(pos.y<0)
return false;
}
float3 dir=pos-weaponPos;
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;
float linear=dir.y+weaponDef->trajectoryHeight;
float quadratic=-weaponDef->trajectoryHeight/flatlength;
float gc=ground->TrajectoryGroundCol(weaponPos,flatdir,flatlength-30,linear,quadratic);
if(gc>0)
return false;
if(helper->TestTrajectoryCone(weaponPos,flatdir,flatlength-30,linear,quadratic,0,8,owner->allyteam,owner)){
return false;
}
} else {
float length=dir.Length();
if(length==0)
return true;
dir/=length;
if(!onlyForward){ //skip ground col testing for aircrafts
float g=ground->LineGroundCol(weaponPos,pos);
if(g>0 && g<length*0.9)
return false;
} else {
float3 goaldir=pos-owner->pos;
goaldir.Normalize();
if(owner->frontdir.dot(goaldir) < maxAngleDif)
return false;
}
if(helper->TestCone(weaponPos,dir,length,(accuracy+sprayangle),owner->allyteam,owner))
return false;
}
return true;
}
bool CCannon::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;
}
}
}
if (projectileSpeed == 0) {
return true;
}
float3 dif(pos - weaponMuzzlePos);
float3 dir(GetWantedDir(dif));
if (dir.SqLength() == 0) {
return false;
}
float3 flatdir(dif.x, 0, dif.z);
float flatlength = flatdir.Length();
if (flatlength == 0) {
return true;
}
flatdir /= flatlength;
const float linear = dir.y;
const float quadratic = gravity / (projectileSpeed * projectileSpeed) * 0.5f;
const float gc = ((collisionFlags & Collision::NOGROUND) == 0)?
ground->TrajectoryGroundCol(weaponMuzzlePos, flatdir, flatlength - 10, linear, quadratic):
-1.0f;
if (gc > 0.0f) {
return false;
}
const float spread =
((accuracy + sprayAngle) * 0.6f) *
((1.0f - owner->limExperience * weaponDef->ownerExpAccWeight) * 0.9f);
if (avoidFriendly && TraceRay::TestTrajectoryAllyCone(weaponMuzzlePos, flatdir,
flatlength - 30, dir.y, quadratic, spread, 3, owner->allyteam, owner)) {
return false;
}
if (avoidNeutral && TraceRay::TestTrajectoryNeutralCone(weaponMuzzlePos, flatdir,
flatlength - 30, dir.y, quadratic, spread, 3, 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;
}
