void CGameHelper::Explosion(const ExplosionParams& params) {
const float3& pos = params.pos;
const float3& dir = params.dir;
const DamageArray& damages = params.damages;
// if weaponDef is NULL, this is a piece-explosion
// (implicit damage-type -DAMAGE_EXPLOSION_DEBRIS)
const WeaponDef* weaponDef = params.weaponDef;
const int weaponDefID = (weaponDef != NULL)? weaponDef->id: -CSolidObject::DAMAGE_EXPLOSION_DEBRIS;
const float3 expPos = pos;
CUnit* owner = params.owner;
CUnit* hitUnit = params.hitUnit;
CFeature* hitFeature = params.hitFeature;
const float craterAOE = std::max(1.0f, params.craterAreaOfEffect);
const float damageAOE = std::max(1.0f, params.damageAreaOfEffect);
const float edgeEffectiveness = params.edgeEffectiveness;
const float expSpeed = params.explosionSpeed;
const float gfxMod = params.gfxMod;
const float realHeight = ground->GetHeightReal(expPos.x, expPos.z);
const float altitude = expPos.y - realHeight;
const bool impactOnly = params.impactOnly;
const bool ignoreOwner = params.ignoreOwner;
const bool damageGround = params.damageGround;
const bool noGfx = eventHandler.Explosion(weaponDefID, expPos, owner);
if (luaUI) {
if (weaponDef != NULL && weaponDef->cameraShake > 0.0f) {
luaUI->ShockFront(weaponDef->cameraShake, expPos, damageAOE);
}
}
if (impactOnly) {
if (hitUnit) {
DoExplosionDamage(hitUnit, owner, expPos, damageAOE, expSpeed, edgeEffectiveness, ignoreOwner, damages, weaponDefID);
} else if (hitFeature) {
DoExplosionDamage(hitFeature, expPos, damageAOE, damages, weaponDefID);
}
} else {
{
// damage all units within the explosion radius
const vector<CUnit*>& units = qf->GetUnitsExact(expPos, damageAOE);
bool hitUnitDamaged = false;
for (vector<CUnit*>::const_iterator ui = units.begin(); ui != units.end(); ++ui) {
CUnit* unit = *ui;
if (unit == hitUnit) {
hitUnitDamaged = true;
}
DoExplosionDamage(unit, owner, expPos, damageAOE, expSpeed, edgeEffectiveness, ignoreOwner, damages, weaponDefID);
}
// HACK: for a unit with an offset coldet volume, the explosion
// (from an impacting projectile) position might not correspond
// to its quadfield position so we need to damage it separately
if (hitUnit != NULL && !hitUnitDamaged) {
DoExplosionDamage(hitUnit, owner, expPos, damageAOE, expSpeed, edgeEffectiveness, ignoreOwner, damages, weaponDefID);
}
}
{
// damage all features within the explosion radius
const vector<CFeature*>& features = qf->GetFeaturesExact(expPos, damageAOE);
bool hitFeatureDamaged = false;
for (vector<CFeature*>::const_iterator fi = features.begin(); fi != features.end(); ++fi) {
CFeature* feature = *fi;
if (feature == hitFeature) {
hitFeatureDamaged = true;
}
DoExplosionDamage(feature, expPos, damageAOE, damages, weaponDefID);
}
if (hitFeature != NULL && !hitFeatureDamaged) {
DoExplosionDamage(hitFeature, expPos, damageAOE, damages, weaponDefID);
}
}
// deform the map if the explosion was above-ground
// (but had large enough radius to touch the ground)
if (altitude >= -1.0f) {
if (damageGround && !mapDamage->disabled && (craterAOE > altitude) && (damages.craterMult > 0.0f)) {
// limit the depth somewhat
const float craterDepth = damages.GetDefaultDamage() * (1.0f - (altitude / craterAOE));
const float damageDepth = std::min(craterAOE * 10.0f, craterDepth);
const float craterStrength = (damageDepth + damages.craterBoost) * damages.craterMult;
const float craterRadius = craterAOE - altitude;
mapDamage->Explosion(expPos, craterStrength, craterRadius);
}
}
}
if (!noGfx) {
// use CStdExplosionGenerator by default
IExplosionGenerator* explosionGenerator = stdExplosionGenerator;
if (weaponDef != NULL && weaponDef->explosionGenerator != NULL) {
explosionGenerator = weaponDef->explosionGenerator;
}
explosionGenerator->Explosion(0, expPos, damages.GetDefaultDamage(), damageAOE, owner, gfxMod, hitUnit, dir);
}
CExplosionEvent explosionEvent(expPos, damages.GetDefaultDamage(), damageAOE, weaponDef);
FireExplosionEvent(explosionEvent);
}
void CGameHelper::Explosion(
float3 expPos, const DamageArray& damages,
float expRad, float edgeEffectiveness,
float expSpeed, CUnit* owner,
bool damageGround, float gfxMod,
bool ignoreOwner, bool impactOnly,
IExplosionGenerator* explosionGenerator,
CUnit* hitUnit,
const float3& impactDir, int weaponId,
CFeature* hitFeature
) {
const WeaponDef* wd = weaponDefHandler->GetWeaponById(weaponId);
if (luaUI) {
if (wd != NULL && wd->cameraShake > 0.0f) {
luaUI->ShockFront(wd->cameraShake, expPos, expRad);
}
}
#ifdef TRACE_SYNC
tracefile << "Explosion: ";
tracefile << expPos.x << " " << damages[0] << " " << expRad << "\n";
#endif
const bool noGfx = eventHandler.Explosion(weaponId, expPos, owner);
const float h2 = ground->GetHeightReal(expPos.x, expPos.z);
expPos.y = std::max(expPos.y, h2);
expRad = std::max(expRad, 1.0f);
if (impactOnly) {
if (hitUnit) {
DoExplosionDamage(hitUnit, expPos, expRad, expSpeed, ignoreOwner, owner, edgeEffectiveness, damages, weaponId);
} else if (hitFeature) {
DoExplosionDamage(hitFeature, expPos, expRad, damages);
}
} else {
float height = std::max(expPos.y - h2, 0.0f);
{
// damage all units within the explosion radius
const vector<CUnit*>& units = qf->GetUnitsExact(expPos, expRad);
bool hitUnitDamaged = false;
for (vector<CUnit*>::const_iterator ui = units.begin(); ui != units.end(); ++ui) {
CUnit* unit = *ui;
if (unit == hitUnit) {
hitUnitDamaged = true;
}
DoExplosionDamage(unit, expPos, expRad, expSpeed, ignoreOwner, owner, edgeEffectiveness, damages, weaponId);
}
// HACK: for a unit with an offset coldet volume, the explosion
// (from an impacting projectile) position might not correspond
// to its quadfield position so we need to damage it separately
if (hitUnit != NULL && !hitUnitDamaged) {
DoExplosionDamage(hitUnit, expPos, expRad, expSpeed, ignoreOwner, owner, edgeEffectiveness, damages, weaponId);
}
}
{
// damage all features within the explosion radius
const vector<CFeature*>& features = qf->GetFeaturesExact(expPos, expRad);
bool hitFeatureDamaged = false;
for (vector<CFeature*>::const_iterator fi = features.begin(); fi != features.end(); ++fi) {
CFeature* feature = *fi;
if (feature == hitFeature) {
hitFeatureDamaged = true;
}
DoExplosionDamage(feature, expPos, expRad, damages);
}
if (hitFeature != NULL && !hitFeatureDamaged) {
DoExplosionDamage(hitFeature, expPos, expRad, damages);
}
}
// deform the map
if (damageGround && !mapDamage->disabled && (expRad > height) && (damages.craterMult > 0.0f)) {
float damage = damages[0] * (1.0f - (height / expRad));
if (damage > (expRad * 10.0f)) {
damage = expRad * 10.0f; // limit the depth somewhat
}
mapDamage->Explosion(expPos, (damage + damages.craterBoost) * damages.craterMult, expRad - height);
}
}
// use CStdExplosionGenerator by default
if (!noGfx) {
if (explosionGenerator == NULL) {
explosionGenerator = stdExplosionGenerator;
}
explosionGenerator->Explosion(0, expPos, damages[0], expRad, owner, gfxMod, hitUnit, impactDir);
}
CExplosionEvent explosionEvent(expPos, damages[0], expRad, wd);
FireExplosionEvent(explosionEvent);
}
