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datablock-temp-clone -- Implements creation of temporary datablock clones to allow late substitution of datablock fields.

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This commit is contained in:
Marc Chapman 2017-07-26 21:10:43 +01:00
parent 0b84fccdd2
commit f9f05f154f
24 changed files with 865 additions and 11 deletions
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94
Engine/source/T3D/debris.cpp
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@ -117,6 +117,85 @@ DebrisData::DebrisData()
ignoreWater = true;
}
//#define TRACK_DEBRIS_DATA_CLONES
#ifdef TRACK_DEBRIS_DATA_CLONES
static int debris_data_clones = 0;
#endif
DebrisData::DebrisData(const DebrisData& other, bool temp_clone) : GameBaseData(other, temp_clone)
{
#ifdef TRACK_DEBRIS_DATA_CLONES
debris_data_clones++;
if (debris_data_clones == 1)
Con::errorf("DebrisData -- Clones are on the loose!");
#endif
velocity = other.velocity;
velocityVariance = other.velocityVariance;
friction = other.friction;
elasticity = other.elasticity;
lifetime = other.lifetime;
lifetimeVariance = other.lifetimeVariance;
numBounces = other.numBounces;
bounceVariance = other.bounceVariance;
minSpinSpeed = other.minSpinSpeed;
maxSpinSpeed = other.maxSpinSpeed;
explodeOnMaxBounce = other.explodeOnMaxBounce;
staticOnMaxBounce = other.staticOnMaxBounce;
snapOnMaxBounce = other.snapOnMaxBounce;
fade = other.fade;
useRadiusMass = other.useRadiusMass;
baseRadius = other.baseRadius;
gravModifier = other.gravModifier;
terminalVelocity = other.terminalVelocity;
ignoreWater = other.ignoreWater;
shapeName = other.shapeName;
shape = other.shape; // -- TSShape loaded using shapeName
textureName = other.textureName;
explosionId = other.explosionId; // -- for pack/unpack of explosion ptr
explosion = other.explosion;
dMemcpy( emitterList, other.emitterList, sizeof( emitterList ) );
dMemcpy( emitterIDList, other.emitterIDList, sizeof( emitterIDList ) ); // -- for pack/unpack of emitterList ptrs
}
DebrisData::~DebrisData()
{
if (!isTempClone())
return;
#ifdef TRACK_DEBRIS_DATA_CLONES
if (debris_data_clones > 0)
{
debris_data_clones--;
if (debris_data_clones == 0)
Con::errorf("DebrisData -- Clones eliminated!");
}
else
Con::errorf("DebrisData -- Too many clones deleted!");
#endif
}
DebrisData* DebrisData::cloneAndPerformSubstitutions(const SimObject* owner, S32 index)
{
if (!owner || getSubstitutionCount() == 0)
return this;
DebrisData* sub_debris_db = new DebrisData(*this, true);
performSubstitutions(sub_debris_db, owner, index);
return sub_debris_db;
}
void DebrisData::onPerformSubstitutions()
{
if( shapeName && shapeName[0] != '\0')
{
shape = ResourceManager::get().load(shapeName);
if( bool(shape) == false )
Con::errorf("DebrisData::onPerformSubstitutions(): failed to load shape \"%s\"", shapeName);
}
}
bool DebrisData::onAdd()
{
if(!Parent::onAdd())
@ -458,6 +537,8 @@ Debris::Debris()
// Only allocated client side.
mNetFlags.set( IsGhost );
ss_object = 0;
ss_index = 0;
}
Debris::~Debris()
@ -473,6 +554,12 @@ Debris::~Debris()
delete mPart;
mPart = NULL;
}
if (mDataBlock && mDataBlock->isTempClone())
{
delete mDataBlock;
mDataBlock = 0;
}
}
void Debris::initPersistFields()
@ -502,6 +589,8 @@ bool Debris::onNewDataBlock( GameBaseData *dptr, bool reload )
if( !mDataBlock || !Parent::onNewDataBlock( dptr, reload ) )
return false;
if (mDataBlock->isTempClone())
return true;
scriptOnNewDataBlock();
return true;
@ -526,7 +615,7 @@ bool Debris::onAdd()
if( mDataBlock->emitterList[i] != NULL )
{
ParticleEmitter * pEmitter = new ParticleEmitter;
pEmitter->onNewDataBlock( mDataBlock->emitterList[i], false );
pEmitter->onNewDataBlock(mDataBlock->emitterList[i]->cloneAndPerformSubstitutions(ss_object, ss_index), false);
if( !pEmitter->registerObject() )
{
Con::warnf( ConsoleLogEntry::General, "Could not register emitter for particle of class: %s", mDataBlock->getName() );
@ -805,7 +894,8 @@ void Debris::explode()
Point3F explosionPos = getPosition();
Explosion* pExplosion = new Explosion;
pExplosion->onNewDataBlock(mDataBlock->explosion, false);
pExplosion->setSubstitutionData(ss_object, ss_index);
pExplosion->onNewDataBlock(mDataBlock->explosion->cloneAndPerformSubstitutions(ss_object, ss_index), false);
MatrixF trans( true );
trans.setPosition( getPosition() );