//virtual
void ScnParticleSystemComponent::render( class ScnViewComponent* pViewComponent, RsFrame* pFrame, RsRenderSort Sort )
{
// Wait for update fence.
UpdateFence_.wait();
// Grab vertex buffer and flip for next frame to use.
TVertexBuffer& VertexBuffer = VertexBuffers_[ CurrentVertexBuffer_ ];
CurrentVertexBuffer_ = 1 - CurrentVertexBuffer_;
// Lock vertex buffer.
VertexBuffer.pVertexBuffer_->lock();
// Iterate over alive particles, and setup vertex buffer.
BcU32 NoofParticlesToRender = 0;
ScnParticleVertex* pVertex = VertexBuffer.pVertexArray_;
for( BcU32 Idx = 0; Idx < NoofParticles_; ++Idx )
{
ScnParticle& Particle = pParticleBuffer_[ Idx ];
if( Particle.Alive_ )
{
// Half size.
const MaVec2d HalfSize = Particle.Scale_ * 0.5f;
const BcF32 MaxHalfSize = BcMax( HalfSize.x(), HalfSize.y() );
BcAssert( Particle.TextureIndex_ < UVBounds_.size() );
const MaVec4d& UVBounds( UVBounds_[ Particle.TextureIndex_ ] );
// Crappy rotation implementation :P
const BcF32 Radians = Particle.Rotation_;
MaVec2d CornerA = MaVec2d( -1.0f, -1.0f ) * HalfSize;
MaVec2d CornerB = MaVec2d( 1.0f, -1.0f ) * HalfSize;
MaVec2d CornerC = MaVec2d( 1.0f, 1.0f ) * HalfSize;
MaVec2d CornerD = MaVec2d( -1.0f, 1.0f ) * HalfSize;
if( Radians != NULL )
{
MaMat4d Rotation;
Rotation.rotation( MaVec3d( 0.0f, 0.0f, Radians ) );
CornerA = CornerA * Rotation;
CornerB = CornerB * Rotation;
CornerC = CornerC * Rotation;
CornerD = CornerD * Rotation;
}
const BcU32 Colour = Particle.Colour_.asABGR();
// Grab vertices.
ScnParticleVertex& VertexA = *pVertex++;
ScnParticleVertex& VertexB = *pVertex++;
ScnParticleVertex& VertexC = *pVertex++;
ScnParticleVertex& VertexD = *pVertex++;
ScnParticleVertex& VertexE = *pVertex++;
ScnParticleVertex& VertexF = *pVertex++;
//
VertexA.X_ = Particle.Position_.x();
VertexA.Y_ = Particle.Position_.y();
VertexA.Z_ = Particle.Position_.z();
VertexA.NX_ = CornerA.x();
VertexA.NY_ = CornerA.y();
VertexA.NZ_ = 0.0f;
VertexA.U_ = UVBounds.x();
VertexA.V_ = UVBounds.y();
VertexA.RGBA_ = Colour;
//
VertexB.X_ = Particle.Position_.x();
VertexB.Y_ = Particle.Position_.y();
VertexB.Z_ = Particle.Position_.z();
VertexB.NX_ = CornerB.x();
VertexB.NY_ = CornerB.y();
VertexB.NZ_ = 0.0f;
VertexB.U_ = UVBounds.z();
VertexB.V_ = UVBounds.y();
VertexB.RGBA_ = Colour;
//
VertexC.X_ = Particle.Position_.x();
VertexC.Y_ = Particle.Position_.y();
VertexC.Z_ = Particle.Position_.z();
VertexC.NX_ = CornerC.x();
VertexC.NY_ = CornerC.y();
VertexC.NZ_ = 0.0f;
VertexC.U_ = UVBounds.z();
VertexC.V_ = UVBounds.w();
VertexC.RGBA_ = Colour;
//
VertexD.X_ = Particle.Position_.x();
VertexD.Y_ = Particle.Position_.y();
VertexD.Z_ = Particle.Position_.z();
VertexD.NX_ = CornerC.x();
VertexD.NY_ = CornerC.y();
VertexD.NZ_ = 0.0f;
VertexD.U_ = UVBounds.z();
VertexD.V_ = UVBounds.w();
VertexD.RGBA_ = Colour;
//
VertexE.X_ = Particle.Position_.x();
VertexE.Y_ = Particle.Position_.y();
VertexE.Z_ = Particle.Position_.z();
VertexE.NX_ = CornerD.x();
VertexE.NY_ = CornerD.y();
VertexE.NZ_ = 0.0f;
VertexE.U_ = UVBounds.x();
VertexE.V_ = UVBounds.w();
VertexE.RGBA_ = Colour;
//
VertexF.X_ = Particle.Position_.x();
VertexF.Y_ = Particle.Position_.y();
VertexF.Z_ = Particle.Position_.z();
VertexF.NX_ = CornerA.x();
VertexF.NY_ = CornerA.y();
VertexF.NZ_ = 0.0f;
VertexF.U_ = UVBounds.x();
VertexF.V_ = UVBounds.y();
VertexF.RGBA_ = Colour;
//
++NoofParticlesToRender;
}
}
// Update and unlock vertex buffer.
VertexBuffer.pVertexBuffer_->setNoofUpdateVertices( NoofParticlesToRender * 6 );
VertexBuffer.pVertexBuffer_->unlock();
// Draw particles last.
if( NoofParticlesToRender > 0 )
{
Sort.Layer_ = 15;
// Bind material.
if( IsLocalSpace_ )
{
const MaMat4d& WorldTransform = getParentEntity()->getWorldMatrix();
MaterialComponent_->setParameter( WorldTransformParam_, WorldTransform );
}
else
{
MaterialComponent_->setParameter( WorldTransformParam_, MaMat4d() );
}
// Set material parameters for view.
pViewComponent->setMaterialParameters( MaterialComponent_ );
// Bind material component.
MaterialComponent_->bind( pFrame, Sort );
// Setup render node.
ScnParticleSystemComponentRenderNode* pRenderNode = pFrame->newObject< ScnParticleSystemComponentRenderNode >();
pRenderNode->pPrimitive_ = VertexBuffer.pPrimitive_;
pRenderNode->NoofIndices_ = NoofParticlesToRender * 6;
// Add to frame.
pRenderNode->Sort_ = Sort;
pFrame->addRenderNode( pRenderNode );
}
}
//////////////////////////////////////////////////////////////////////////
// update
//virtual
void GaRobotComponent::update( BcF32 Tick )
{
if( Health_ <= 0.0f )
{
return;
}
CurrentOpTimer_ -= Tick;
if( CurrentOpTimer_ < 0.0f )
{
CurrentOpTimer_ += CurrentOpTime_;
// Handle robot program.
BcBool ExecutedCode = BcFalse;
if( Program_.size() > 0 )
{
CurrentOp_ = NextOp_;
const auto& Op = Program_[ CurrentOp_ ];
if( Op.State_ == CurrentState_ )
{
auto Condition = ProgramFunctionMap_[ Op.Condition_ ];
if( Condition != nullptr )
{
if( Condition( this, Op.ConditionVar_ ) )
{
auto Operation = ProgramFunctionMap_[ Op.Operation_ ];
if( Operation == nullptr )
{
BcPrintf( "No operation \"%s\"\n", Op.Operation_.c_str() );
}
else
{
auto RetVal = Operation( this, Op.OperationVar_ );
if( RetVal != BcErrorCode )
{
CurrentState_ = RetVal;
}
}
}
}
ExecutedCode = BcTrue;
}
// Advance to next valid op.
if( ExecutedCode )
{
for( BcU32 Idx = 0; Idx < Program_.size(); ++Idx )
{
NextOp_ = ( NextOp_ + 1 ) % Program_.size();
if( Program_[ NextOp_ ].State_ == CurrentState_ )
{
break;
}
}
}
// Did we fail to run code? If so, reset to op 0 and the state of op 0.
if( ExecutedCode == BcFalse )
{
NextOp_ = 0;
CurrentState_ = Program_[ NextOp_ ].State_;
}
}
}
// Grab entity + position.
auto Entity = getParentEntity();
auto LocalPosition = Entity->getLocalPosition();
// Move if we need to move towards our target position.
if( ( TargetPosition_ - LocalPosition ).magnitudeSquared() > ( TargetDistance_ * TargetDistance_ ) )
{
if( MoveTimer_ <= 0.0f )
{
Velocity_ += ( TargetPosition_ - LocalPosition ).normal() * MaxVelocity_;
}
}
else
{
BcF32 SlowDownTick = BcClamp( Tick * 50.0f, 0.0f, 1.0f );
Velocity_ -= ( Velocity_ * SlowDownTick );
}
// TODO LATER: Do rotation.
if( Velocity_.magnitudeSquared() > 0.1f )
{
auto Angle = std::atan2( Velocity_.z(), Velocity_.x() ) + BcPIDIV2;
MaMat4d RotMat;
RotMat.rotation( MaVec3d( 0.0f, Angle, 0.0f ) );
Base_->setLocalMatrix( RotMat );
}
// TODO LATER: Do rotation.
auto Robots = getRobots( 1 - Team_ );
if( Robots.size() > 0 )
{
auto Robot = Robots[ 0 ];
auto RobotPosition = Robot->getParentEntity()->getLocalPosition();
auto VectorTo = RobotPosition - LocalPosition;
// Push out of away.
if( VectorTo.magnitude() < 3.0f )
{
BcF32 Factor = ( 3.0f - VectorTo.magnitude() ) / 3.0f;
BcF32 InvFactor = 1.0f - Factor;
Velocity_ = ( -( VectorTo.normal() * MaxVelocity_ ) * Factor * 3.0f ) + ( Velocity_ * InvFactor );
}
// Face turret.
auto Angle = std::atan2( VectorTo.z(), VectorTo.x() ) + BcPIDIV2;
MaMat4d RotMat;
RotMat.rotation( MaVec3d( 0.0f, Angle, 0.0f ) );
Turret_->setLocalMatrix( RotMat );
}
LocalPosition += Velocity_ * Tick;
// Slow down velocity.
BcF32 SlowDownTick = BcClamp( Tick * 10.0f, 0.0f, 1.0f );
Velocity_ -= ( Velocity_ * SlowDownTick );
if( Velocity_.magnitude() > MaxVelocity_ )
{
Velocity_ = Velocity_.normal() * MaxVelocity_;
}
// Set local position.
Entity->setLocalPosition( LocalPosition );
// Handle health + energy.
Health_ = BcClamp( Health_, 0.0f, 100.0f );
Energy_ = BcClamp( Energy_ + ( EnergyChargeRate_ * Tick ), 0.0f, 100.0f );
// Weapon timers.
WeaponATimer_ = BcMax( WeaponATimer_ - Tick, -1.0f );
WeaponBTimer_ = BcMax( WeaponBTimer_ - Tick, -1.0f );
MoveTimer_ = BcMax( MoveTimer_ - Tick, -1.0f );
// Health/energy bars.
OsClient* Client = OsCore::pImpl()->getClient( 0 );
BcF32 Width = BcF32( Client->getWidth() ) * 0.5f;
BcF32 Height = BcF32( Client->getHeight() ) * 0.5f;
MaMat4d Projection;
Projection.orthoProjection( -Width, Width, Height, -Height, -1.0f, 1.0f );
Canvas_->pushMatrix( Projection );
Canvas_->setMaterialComponent( Material_ );
auto ScreenPos = View_->getScreenPosition( getParentEntity()->getWorldPosition() );
ScreenPos -= MaVec2d( 0.0f, Height / 8.0f );
auto TLPos = ScreenPos - MaVec2d( Width / 16.0f, Height / 64.0f );
auto BRPos = ScreenPos + MaVec2d( Width / 16.0f, Height / 64.0f );
// Draw background.
Canvas_->drawBox( TLPos, BRPos, RsColour::BLACK, 0 );
// Draw inner bars.
TLPos += MaVec2d( 1.0f, 1.0f );
BRPos -= MaVec2d( 1.0f, 1.0f );
auto HealthTL = MaVec2d(
TLPos.x(),
TLPos.y() );
auto HealthBR = MaVec2d(
TLPos.x() + ( BRPos.x() - TLPos.x() ) * ( Health_ / 100.0f ),
( TLPos.y() + BRPos.y() ) * 0.5f );
auto EnergyTL = MaVec2d(
TLPos.x(),
( TLPos.y() + BRPos.y() ) * 0.5f );
auto EnergyBR = MaVec2d(
TLPos.x() + ( BRPos.x() - TLPos.x() ) * ( Energy_ / 100.0f ),
BRPos.y() );
Canvas_->drawBox( HealthTL, HealthBR, RsColour::GREEN, 0 );
Canvas_->drawBox( EnergyTL, EnergyBR, RsColour::BLUE, 0 );
Canvas_->popMatrix( );
ScnDebugRenderComponent::pImpl()->drawLine(
LocalPosition,
TargetPosition_,
RsColour::WHITE,
0 );
Super::update( Tick );
}
//virtual
void ScnParticleSystemComponent::render( class ScnViewComponent* pViewComponent, RsFrame* pFrame, RsRenderSort Sort )
{
// Wait for update fence.
UpdateFence_.wait();
// Grab vertex buffer and flip for next frame to use.
TVertexBuffer& VertexBuffer = VertexBuffers_[ CurrentVertexBuffer_ ];
CurrentVertexBuffer_ = 1 - CurrentVertexBuffer_;
// Calculate lock size.
BcU32 NoofParticlesToRender = 0;
for( BcU32 Idx = 0; Idx < NoofParticles_; ++Idx )
{
ScnParticle& Particle = pParticleBuffer_[ Idx ];
if( Particle.Alive_ )
{
++NoofParticlesToRender;
}
}
// Lock vertex buffer.
if( NoofParticlesToRender > 0 )
{
UploadFence_.increment();
RsCore::pImpl()->updateBuffer(
VertexBuffer.pVertexBuffer_,
0,
NoofParticlesToRender * sizeof( ScnParticleVertex ) * 6,
RsResourceUpdateFlags::ASYNC,
[ this, NoofParticlesToRender ]
( RsBuffer* Buffer, const RsBufferLock& Lock )
{
BcU32 NoofParticlesRendered = 0;
ScnParticleVertex* pVertex = reinterpret_cast< ScnParticleVertex* >( Lock.Buffer_ );
for( BcU32 Idx = 0; Idx < NoofParticles_; ++Idx )
{
ScnParticle& Particle = pParticleBuffer_[ Idx ];
if( Particle.Alive_ )
{
++NoofParticlesRendered;
// Half size.
const MaVec2d HalfSize = Particle.Scale_ * 0.5f;
BcAssert( Particle.TextureIndex_ < UVBounds_.size() );
const MaVec4d& UVBounds( UVBounds_[ Particle.TextureIndex_ ] );
// Crappy rotation implementation :P
const BcF32 Radians = Particle.Rotation_;
MaVec2d CornerA = MaVec2d( -1.0f, -1.0f ) * HalfSize;
MaVec2d CornerB = MaVec2d( 1.0f, -1.0f ) * HalfSize;
MaVec2d CornerC = MaVec2d( 1.0f, 1.0f ) * HalfSize;
MaVec2d CornerD = MaVec2d( -1.0f, 1.0f ) * HalfSize;
if( Radians != 0.0f )
{
MaMat4d Rotation;
Rotation.rotation( MaVec3d( 0.0f, 0.0f, Radians ) );
CornerA = CornerA * Rotation;
CornerB = CornerB * Rotation;
CornerC = CornerC * Rotation;
CornerD = CornerD * Rotation;
}
const BcU32 Colour = Particle.Colour_.asABGR();
// Grab vertices.
ScnParticleVertex& VertexA = *pVertex++;
ScnParticleVertex& VertexB = *pVertex++;
ScnParticleVertex& VertexC = *pVertex++;
ScnParticleVertex& VertexD = *pVertex++;
ScnParticleVertex& VertexE = *pVertex++;
ScnParticleVertex& VertexF = *pVertex++;
//
VertexA.X_ = Particle.Position_.x();
VertexA.Y_ = Particle.Position_.y();
VertexA.Z_ = Particle.Position_.z();
VertexA.W_ = 1.0f;
VertexA.NX_ = CornerA.x();
VertexA.NY_ = CornerA.y();
VertexA.NZ_ = 0.0f;
VertexA.U_ = UVBounds.x();
VertexA.V_ = UVBounds.y();
VertexA.RGBA_ = Colour;
//
VertexB.X_ = Particle.Position_.x();
VertexB.Y_ = Particle.Position_.y();
VertexB.Z_ = Particle.Position_.z();
VertexB.W_ = 1.0f;
VertexB.NX_ = CornerB.x();
VertexB.NY_ = CornerB.y();
VertexB.NZ_ = 0.0f;
VertexB.U_ = UVBounds.z();
VertexB.V_ = UVBounds.y();
VertexB.RGBA_ = Colour;
//
VertexC.X_ = Particle.Position_.x();
VertexC.Y_ = Particle.Position_.y();
VertexC.Z_ = Particle.Position_.z();
VertexC.W_ = 1.0f;
VertexC.NX_ = CornerC.x();
VertexC.NY_ = CornerC.y();
VertexC.NZ_ = 0.0f;
VertexC.U_ = UVBounds.z();
VertexC.V_ = UVBounds.w();
VertexC.RGBA_ = Colour;
//
VertexD.X_ = Particle.Position_.x();
VertexD.Y_ = Particle.Position_.y();
VertexD.Z_ = Particle.Position_.z();
VertexD.W_ = 1.0f;
VertexD.NX_ = CornerC.x();
VertexD.NY_ = CornerC.y();
VertexD.NZ_ = 0.0f;
VertexD.U_ = UVBounds.z();
VertexD.V_ = UVBounds.w();
VertexD.RGBA_ = Colour;
//
VertexE.X_ = Particle.Position_.x();
VertexE.Y_ = Particle.Position_.y();
VertexE.Z_ = Particle.Position_.z();
VertexE.W_ = 1.0f;
VertexE.NX_ = CornerD.x();
VertexE.NY_ = CornerD.y();
VertexE.NZ_ = 0.0f;
VertexE.U_ = UVBounds.x();
VertexE.V_ = UVBounds.w();
VertexE.RGBA_ = Colour;
//
VertexF.X_ = Particle.Position_.x();
VertexF.Y_ = Particle.Position_.y();
VertexF.Z_ = Particle.Position_.z();
VertexF.W_ = 1.0f;
VertexF.NX_ = CornerA.x();
VertexF.NY_ = CornerA.y();
VertexF.NZ_ = 0.0f;
VertexF.U_ = UVBounds.x();
VertexF.V_ = UVBounds.y();
VertexF.RGBA_ = Colour;
}
}
BcAssert( NoofParticlesRendered == NoofParticlesToRender );
UploadFence_.decrement();
} );
}
// Update uniform buffer.
if( IsLocalSpace_ )
{
VertexBuffer.ObjectUniforms_.WorldTransform_ = getParentEntity()->getWorldMatrix();
}
else
{
VertexBuffer.ObjectUniforms_.WorldTransform_ = MaMat4d();
}
// Upload uniforms.
RsCore::pImpl()->updateBuffer(
VertexBuffer.UniformBuffer_,
0, sizeof( VertexBuffer.ObjectUniforms_ ),
RsResourceUpdateFlags::ASYNC,
[ this, VertexBuffer ]( RsBuffer* Buffer, const RsBufferLock& Lock )
{
BcMemCopy( Lock.Buffer_, &VertexBuffer.ObjectUniforms_, sizeof( VertexBuffer.ObjectUniforms_ ) );
} );
// Draw particles last.
if( NoofParticlesToRender > 0 )
{
Sort.Layer_ = 15;
// Set material parameters for view.
pViewComponent->setMaterialParameters( MaterialComponent_ );
// Bind material component.
MaterialComponent_->bind( pFrame, Sort );
// Setup render node.
ScnParticleSystemComponentRenderNode* pRenderNode = pFrame->newObject< ScnParticleSystemComponentRenderNode >();
pRenderNode->VertexBuffer_ = VertexBuffer.pVertexBuffer_;
pRenderNode->VertexDeclaration_ = VertexDeclaration_;
pRenderNode->NoofIndices_ = NoofParticlesToRender * 6;
// Add to frame.
pRenderNode->Sort_ = Sort;
pFrame->addRenderNode( pRenderNode );
}
}