void float3::Orthonormalize(float3 &a, float3 &b)
{
assume(!a.IsZero());
assume(!b.IsZero());
a.Normalize();
b -= b.ProjectToNorm(a);
b.Normalize();
}
Dirlight::Dirlight(float3 dir,float3 color,bool enabled) {
this->dir = dir.Normalize();
this->color = color;
this->enabled = enabled;
up = float3(0.0f,1.0f,0.0f);
lookat = float3(0.0f,0.0f,0.0f);
castshadows = false; // slow, so off by default
scene->lights->AddDirlight(this); // add to global dump
}
void CBeamLaser::FireInternal(float3 dir, bool sweepFire)
{
float rangeMod=1.0f;
CBuilding* building = dynamic_cast<CBuilding*>(owner);
if (!building) {
rangeMod=1.3f; //help units fire while chasing
}
#ifdef DIRECT_CONTROL_ALLOWED
if(owner->directControl)
rangeMod=0.95f;
#endif
float maxLength=range*rangeMod;
float curLength=0;
float3 curPos=weaponMuzzlePos;
float3 hitPos;
dir += gs->randVector() * sprayAngle * (1 - owner->limExperience * 0.7f);
dir.Normalize();
bool tryAgain=true;
CUnit* hit;
// increase range if targets are searched for in a cylinder
if (cylinderTargetting > 0.01) {
//const float3 up(0, owner->radius*cylinderTargetting, 0);
//const float uplen = up.dot(dir);
const float uplen = owner->radius*cylinderTargetting * dir.y;
maxLength = sqrt(maxLength*maxLength + uplen*uplen);
}
// increase range if targetting edge of hitsphere
if (targetType == Target_Unit && targetUnit && targetBorder != 0) {
maxLength += targetUnit->radius*targetBorder;
}
for(int tries=0;tries<5 && tryAgain;++tries){
tryAgain=false;
hit=0;
float length = helper->TraceRay(curPos, dir, maxLength - curLength,
weaponDef->damages[0], owner, hit, collisionFlags);
if(hit && hit->allyteam == owner->allyteam && sweepFire){ //never damage friendlies with sweepfire
lastFireFrame = 0;
return;
}
float3 newDir;
CPlasmaRepulser* shieldHit;
float shieldLength=interceptHandler.AddShieldInterceptableBeam(this,curPos,dir,length,newDir,shieldHit);
if(shieldLength<length){
length=shieldLength;
bool repulsed=shieldHit->BeamIntercepted(this, damageMul);
if(repulsed){
tryAgain=true;
}
}
hitPos=curPos+dir*length;
float baseAlpha=weaponDef->intensity*255;
float startAlpha=(1-curLength/(range*1.3f))*baseAlpha;
float endAlpha=(1-(curLength+length)/(range*1.3f))*baseAlpha;
if (weaponDef->largeBeamLaser)
SAFE_NEW CLargeBeamLaserProjectile(curPos, hitPos, color,
weaponDef->visuals.color2, owner, weaponDef);
else
SAFE_NEW CBeamLaserProjectile(curPos, hitPos, startAlpha, endAlpha,
color, weaponDef->visuals.color2, owner, weaponDef->thickness,
weaponDef->corethickness, weaponDef->laserflaresize, weaponDef,
weaponDef->visuals.beamttl, weaponDef->visuals.beamdecay);
curPos = hitPos;
curLength += length;
dir = newDir;
}
// fix negative damage when hitting big spheres
float actualRange = range;
if (hit && targetBorder > 0) {
actualRange += hit->radius*targetBorder;
}
// make it possible to always hit with some minimal intensity (melee weapons have use for that)
float intensity = std::max(minIntensity, 1-(curLength)/(actualRange*2));
if(curLength<maxLength) {
// Dynamic Damage
DamageArray dynDamages;
if (weaponDef->dynDamageExp > 0)
dynDamages = weaponDefHandler->DynamicDamages(weaponDef->damages, weaponMuzzlePos, curPos, weaponDef->dynDamageRange>0?weaponDef->dynDamageRange:weaponDef->range, weaponDef->dynDamageExp, weaponDef->dynDamageMin, weaponDef->dynDamageInverted);
helper->Explosion(hitPos, weaponDef->dynDamageExp>0?dynDamages*(intensity*damageMul):weaponDef->damages*(intensity*damageMul), areaOfEffect, weaponDef->edgeEffectiveness, weaponDef->explosionSpeed,owner, true, 1.0f, false, false, weaponDef->explosionGenerator, hit, dir, weaponDef->id);
}
if(targetUnit)
lastFireFrame = gs->frameNum;
}
