//////////////////////////////////////////////////////////////////////////
// update
//virtual
void GaSpeechBubbleComponent::update( BcF32 Tick )
{
Super::update( Tick );
if ( !FontComponent_.isValid() )
{
Canvas_ = ParentEntity_->getComponentAnyParentByType< ScnCanvasComponent >();
FontComponent_ = ParentEntity_->getComponentAnyParentByType< ScnFontComponent >();
}
if ( !SpeechBubble_.isValid() )
{
SpeechBubble_ = ParentEntity_->getComponentByType<ScnSpriteComponent>( BcName( "SpeechBubbleComponent", 0 ) );
}
if ( SpeechBubble_.isValid() )
{
SpeechBubble_->setColour( RsColour( 1, 1, 1, Visible_ ? 0.8 : 0 ) );
}
if ( !TargetEntity_.isValid() )
{
// We aren't even gonna bother
return;
}
MaMat4d TextScaleMatrix;
//TextScaleMatrix.scale( MaVec4d( 0.04f, 0.04f, 1.0f, 1.0f ) );
TextScaleMatrix.scale( MaVec4d( 1.00f, -1.00f, 1.0f, 1.0f ) );
FontComponent_->setAlphaTestStepping( MaVec2d( 0.4f, 0.45f ) );
if (Visible_)
{
TimeBeenVisible_ += Tick;
if ( TimeBeenVisible_ > VisibleTime_ )
Visible_ = false;
//MaMat4d Matrix = getParentEntity()->getWorldMatrix();
//Matrix = Canvas_->popMatrix();
Canvas_->pushMatrix( TextScaleMatrix );
MaVec2d Size;
MaVec3d worldPos = TargetEntity_->getWorldPosition();
MaVec2d Position( 0 , 0 );
MaVec2d localPos = SpeechBubble_->getPosition();
localPos = MaVec2d(TargetEntity_->getWorldPosition().x(), -TargetEntity_->getWorldPosition().y() ) + FontOffset_;
SpeechBubble_->setPosition( MaVec2d( TargetEntity_->getWorldPosition().x(), TargetEntity_->getWorldPosition().y() ) + SpriteOffset_ );
for( BcU32 Idx = 0; Idx < Text_.size(); ++Idx )
{
const auto& Option( Text_[ Idx ] );
const auto Colour = RsColour::BLACK;
Size = FontComponent_->drawCentered( Canvas_, localPos + Position, Text_[ Idx ] , Colour, 280 );
Position += MaVec2d( 0.0f, Size.y() );
}
Canvas_->popMatrix();
}
//Canvas_->pushMatrix( Matrix );
//Canvas_->setMatrix( Matrix );
}
//////////////////////////////////////////////////////////////////////////
// drawLineBox
void ScnCanvasComponent::drawLineBox( const MaVec2d& CornerA, const MaVec2d& CornerB, const RsColour& Colour, BcU32 Layer )
{
// SLOW.
drawLine( MaVec2d( CornerA.x(), CornerA.y() ), MaVec2d( CornerB.x(), CornerA.y() ), Colour, Layer );
drawLine( MaVec2d( CornerB.x(), CornerA.y() ), MaVec2d( CornerB.x(), CornerB.y() ), Colour, Layer );
drawLine( MaVec2d( CornerB.x(), CornerB.y() ), MaVec2d( CornerA.x(), CornerB.y() ), Colour, Layer );
drawLine( MaVec2d( CornerA.x(), CornerB.y() ), MaVec2d( CornerA.x(), CornerA.y() ), Colour, Layer );
}
//////////////////////////////////////////////////////////////////////////
// getScreenPosition
MaVec2d ScnViewComponent::getScreenPosition( const MaVec3d& WorldPosition ) const
{
MaVec4d ScreenSpace = MaVec4d( WorldPosition, 1.0f ) * ViewUniformBlock_.ClipTransform_;
MaVec2d ScreenPosition = MaVec2d( ScreenSpace.x() / ScreenSpace.w(), -ScreenSpace.y() / ScreenSpace.w() );
BcF32 HalfW = BcF32( Viewport_.width() ) * 0.5f;
BcF32 HalfH = BcF32( Viewport_.height() ) * 0.5f;
return MaVec2d( ( ScreenPosition.x() * HalfW ), ( ScreenPosition.y() * HalfH ) );
}
//////////////////////////////////////////////////////////////////////////
// drawBox
void ScnCanvasComponent::drawBox( const MaVec2d& CornerA, const MaVec2d& CornerB, const RsColour& Colour, BcU32 Layer )
{
ScnCanvasComponentVertex* pVertices = allocVertices( 4 );
ScnCanvasComponentVertex* pFirstVertex = pVertices;
// Only draw if we can allocate vertices.
if( pVertices != NULL )
{
// Now copy in data.
BcU32 ABGR = Colour.asABGR();
pVertices->X_ = CornerA.x();
pVertices->Y_ = CornerA.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = 0.0f;
pVertices->V_ = 0.0f;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerB.x();
pVertices->Y_ = CornerA.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = 1.0f;
pVertices->V_ = 0.0f;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerA.x();
pVertices->Y_ = CornerB.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = 0.0f;
pVertices->V_ = 1.0f;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerB.x();
pVertices->Y_ = CornerB.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = 1.0f;
pVertices->V_ = 1.0f;
pVertices->ABGR_ = ABGR;
// Add primitive.
addPrimitive( RsTopologyType::TRIANGLE_STRIP, pFirstVertex, 4, Layer, BcTrue );
}
}
//////////////////////////////////////////////////////////////////////////
// getWorldPosition
void ScnViewComponent::getWorldPosition( const MaVec2d& ScreenPosition, MaVec3d& Near, MaVec3d& Far ) const
{
// TODO: Take normalised screen coordinates.
MaVec2d Screen = ScreenPosition - MaVec2d( static_cast<BcF32>( Viewport_.x() ), static_cast<BcF32>( Viewport_.y() ) );
const MaVec2d RealScreen( ( Screen.x() / Viewport_.width() ) * 2.0f - 1.0f, ( Screen.y() / Viewport_.height() ) * 2.0f - 1.0f );
Near.set( RealScreen.x(), -RealScreen.y(), 0.0f );
Far.set( RealScreen.x(), -RealScreen.y(), 1.0f );
Near = Near * ViewUniformBlock_.InverseProjectionTransform_;
Far = Far * ViewUniformBlock_.InverseProjectionTransform_;
if( ViewUniformBlock_.ProjectionTransform_[3][3] == 0.0f )
{
Near *= Viewport_.zNear();
Far *= Viewport_.zFar();
}
Near = Near * ViewUniformBlock_.InverseViewTransform_;
Far = Far * ViewUniformBlock_.InverseViewTransform_;
}
//////////////////////////////////////////////////////////////////////////
// drawSprite
void ScnCanvasComponent::drawSprite( const MaVec2d& Position, const MaVec2d& Size, BcU32 TextureIdx, const RsColour& Colour, BcU32 Layer )
{
ScnCanvasComponentVertex* pVertices = allocVertices( 6 );
ScnCanvasComponentVertex* pFirstVertex = pVertices;
const MaVec2d CornerA = Position;
const MaVec2d CornerB = Position + Size;
const ScnRect Rect = DiffuseTexture_.isValid() ? DiffuseTexture_->getRect( TextureIdx ) : ScnRect();
// Only draw if we can allocate vertices.
if( pVertices != NULL )
{
// Now copy in data.
BcU32 ABGR = Colour.asABGR();
pVertices->X_ = CornerA.x();
pVertices->Y_ = CornerA.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = Rect.X_;
pVertices->V_ = Rect.Y_;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerB.x();
pVertices->Y_ = CornerA.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = Rect.X_ + Rect.W_;
pVertices->V_ = Rect.Y_;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerA.x();
pVertices->Y_ = CornerB.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = Rect.X_;
pVertices->V_ = Rect.Y_ + Rect.H_;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerA.x();
pVertices->Y_ = CornerB.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = Rect.X_;
pVertices->V_ = Rect.Y_ + Rect.H_;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerB.x();
pVertices->Y_ = CornerA.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = Rect.X_ + Rect.W_;
pVertices->V_ = Rect.Y_;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = CornerB.x();
pVertices->Y_ = CornerB.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->U_ = Rect.X_ + Rect.W_;
pVertices->V_ = Rect.Y_ + Rect.H_;
pVertices->ABGR_ = ABGR;
// Quickly check last primitive.
BcBool AddNewPrimitive = BcTrue;
if( LastPrimitiveSection_ != BcErrorCode )
{
ScnCanvasComponentPrimitiveSection& PrimitiveSection = PrimitiveSectionList_[ LastPrimitiveSection_ ];
// If the last primitive was the same type as ours we can append to it.
// NOTE: Need more checks here later.
if( PrimitiveSection.Type_ == RsTopologyType::TRIANGLE_LIST &&
PrimitiveSection.Layer_ == Layer &&
PrimitiveSection.MaterialComponent_ == MaterialComponent_ )
{
PrimitiveSection.NoofVertices_ += 6;
// Matrix stack.
// TODO: Factor into a seperate function.
if( IsIdentity_ == BcFalse )
{
MaMat4d Matrix = getMatrix();
for( BcU32 Idx = 0; Idx < 6; ++Idx )
{
ScnCanvasComponentVertex* pVertex = &pFirstVertex[ Idx ];
MaVec3d Vertex = MaVec3d( pVertex->X_, pVertex->Y_, pVertex->Z_ ) * Matrix;
pVertex->X_ = Vertex.x();
pVertex->Y_ = Vertex.y();
pVertex->Z_ = Vertex.z();
pVertex->W_ = 1.0f;
}
}
AddNewPrimitive = BcFalse;
}
}
// Add primitive.
if( AddNewPrimitive == BcTrue )
{
addPrimitive( RsTopologyType::TRIANGLE_LIST, pFirstVertex, 6, Layer, BcTrue );
}
}
}
//////////////////////////////////////////////////////////////////////////
// drawLine
void ScnCanvasComponent::drawLine( const MaVec2d& PointA, const MaVec2d& PointB, const RsColour& Colour, BcU32 Layer )
{
ScnCanvasComponentVertex* pVertices = allocVertices( 2 );
ScnCanvasComponentVertex* pFirstVertex = pVertices;
// Only draw if we can allocate vertices.
if( pVertices != NULL )
{
// Now copy in data.
BcU32 ABGR = Colour.asABGR();
pVertices->X_ = PointA.x();
pVertices->Y_ = PointA.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->ABGR_ = ABGR;
++pVertices;
pVertices->X_ = PointB.x();
pVertices->Y_ = PointB.y();
pVertices->Z_ = 0.0f;
pVertices->W_ = 1.0f;
pVertices->ABGR_ = ABGR;
// Quickly check last primitive.
BcBool AddNewPrimitive = BcTrue;
if( LastPrimitiveSection_ != BcErrorCode )
{
ScnCanvasComponentPrimitiveSection& PrimitiveSection = PrimitiveSectionList_[ LastPrimitiveSection_ ];
// If the last primitive was the same type as ours we can append to it.
// NOTE: Need more checks here later.
if( PrimitiveSection.Type_ == RsTopologyType::LINE_LIST &&
PrimitiveSection.Layer_ == Layer &&
PrimitiveSection.MaterialComponent_ == MaterialComponent_ )
{
PrimitiveSection.NoofVertices_ += 2;
// Matrix stack.
// TODO: Factor into a seperate function.
if( IsIdentity_ == BcFalse )
{
MaMat4d Matrix = getMatrix();
for( BcU32 Idx = 0; Idx < 2; ++Idx )
{
ScnCanvasComponentVertex* pVertex = &pFirstVertex[ Idx ];
MaVec3d Vertex = MaVec3d( pVertex->X_, pVertex->Y_, pVertex->Z_ ) * Matrix;
pVertex->X_ = Vertex.x();
pVertex->Y_ = Vertex.y();
pVertex->Z_ = Vertex.z();
pVertices->W_ = 1.0f;
}
}
AddNewPrimitive = BcFalse;
}
}
// Add primitive.
if( AddNewPrimitive == BcTrue )
{
addPrimitive( RsTopologyType::LINE_LIST, pFirstVertex, 2, Layer, BcTrue );
}
}
}
//////////////////////////////////////////////////////////////////////////
// buildTangents
void MdlMesh::buildTangents()
{
MaVec3d* pTan1 = new MaVec3d[ aVertices_.size() * 2 ];
MaVec3d* pTan2 = pTan1 + aVertices_.size();
memset( pTan1, 0, sizeof( MaVec3d ) * aVertices_.size() * 2 );
for ( BcU32 i = 0; i < ( aIndices_.size() / 3 ); ++i )
{
BcU32 TA = aIndices_[ ( i * 3 ) + 0 ].iVertex_;
BcU32 TB = aIndices_[ ( i * 3 ) + 1 ].iVertex_;
BcU32 TC = aIndices_[ ( i * 3 ) + 2 ].iVertex_;
MdlVertex& VertA = aVertices_[ TA ];
MdlVertex& VertB = aVertices_[ TB ];
MdlVertex& VertC = aVertices_[ TC ];
MaVec3d VertPosA = VertA.Position_;
MaVec3d VertPosB = VertB.Position_;
MaVec3d VertPosC = VertC.Position_;
MaVec2d VertUVA = VertA.UV_;
MaVec2d VertUVB = VertB.UV_;
MaVec2d VertUVC = VertC.UV_;
BcF32 X1 = VertPosB.x() - VertPosA.x();
BcF32 X2 = VertPosC.x() - VertPosA.x();
BcF32 Y1 = VertPosB.y() - VertPosA.y();
BcF32 Y2 = VertPosC.y() - VertPosA.y();
BcF32 Z1 = VertPosB.z() - VertPosA.z();
BcF32 Z2 = VertPosC.z() - VertPosA.z();
BcF32 S1 = VertUVB.x() - VertUVA.x();
BcF32 S2 = VertUVC.x() - VertUVA.x();
BcF32 T1 = VertUVB.y() - VertUVA.y();
BcF32 T2 = VertUVC.y() - VertUVA.y();
BcF32 InvR = ( S1 * T2 - S2 * T1 );
BcF32 R = 1.0f / InvR;
// Validation so it doesn't break everything, just set to a dummy value.
if( BcAbs( InvR ) < 1e-6f )
{
R = 0.0f;
}
MaVec3d SDir( ( T2 * X1 - T1 * X2 ) * R, ( T2 * Y1 - T1 * Y2 ) * R, ( T2 * Z1 - T1 * Z2 ) * R );
MaVec3d TDir( ( S1 * X2 - S2 * X1 ) * R, ( S1 * Y2 - S2 * Y1 ) * R, ( S1 * Z2 - S2 * Z1 ) * R );
pTan1[ TA ] += SDir;
pTan1[ TB ] += SDir;
pTan1[ TC ] += SDir;
pTan2[ TA ] += TDir;
pTan2[ TB ] += TDir;
pTan2[ TC ] += TDir;
}
for ( BcU32 i = 0; i < aVertices_.size(); ++i )
{
MdlVertex& Vert = aVertices_[ i ];
MaVec3d Tangent;
const MaVec3d N = Vert.Normal_;
const MaVec3d& T = pTan1[ i ];
Tangent = ( T - N * N.dot( T ) );
Tangent.normalise();
// Calculate handedness
BcF32 W = ( N.cross( T ).dot( pTan2[ i ] ) < 0.0f ) ? -1.0f : 1.0f;
if ( W < 0.0f )
{
Tangent = -Tangent;
}
Vert.bTangent_ = BcTrue;
Vert.Tangent_ = Tangent;
// Validate, and create a dummy value.
BcF32 Mag = Tangent.magnitude();
if( BcAbs( Mag - 1.0f ) > 0.0001f )
{
Vert.Tangent_.set( 0.0f, 0.0f, 0.0f );
}
}
delete[] pTan1;
}
//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
void GaStructureComponent::update( BcF32 Tick )
{
// Get water.
auto Water = getParentEntity()->getComponentAnyParentByType< GaWaterComponent >();
// If we have point masses, calculate position.
const size_t NoofPointMasses = Physics_->getNoofPointMasses();
if( Physics_->getNoofPointMasses() > 0 )
{
// Points with weight.
const BcF32 Gravity = 500.0f;
for( auto WeightedPoint : WeightedPoints_ )
{
Physics_->setPointMassAcceleration( WeightedPoint, MaVec2d( 0.0f, Gravity ) );
}
// Points with bouyancy.
for( auto BouyantPoint : BouyantPoints_ )
{
const auto& PointMass = Physics_->getPointMass( BouyantPoint );
auto WaterPosition = Water->getWaterSurfacePosition( PointMass.CurrPosition_ );
BcF32 Diff = PointMass.CurrPosition_.y() - WaterPosition.y();
if( Diff > 1.0f )
{
Physics_->setPointMassAcceleration( BouyantPoint, MaVec2d( 0.0f, -Gravity ) );
}
else
{
Physics_->setPointMassAcceleration( BouyantPoint, MaVec2d( 0.0f, Gravity ) );
}
}
// Position.
MaVec2d Centre( Physics_->getPointMassPosition( 0 ) );
getParentEntity()->setLocalPosition( MaVec3d( Centre, 0.0f ) );
// Rotation.
MaVec2d Direction = Centre - Physics_->getPointMassPosition( 1 );
BcF32 Angle = std::atan2f( Direction.x(), Direction.y() );
Sprite_->setRotation( Angle );
if( Timer_ <= CalculatedFireRate_ )
{
Timer_ += Tick;
}
}
switch( StructureType_ )
{
case GaStructureType::BASE:
break;
case GaStructureType::TURRET:
if( Timer_ >= CalculatedFireRate_ )
{
// Find a tentacle.
GaTentacleComponent* NearestTentacle = Game_->getNearestTentacle( getParentEntity()->getWorldPosition().xy(), BcFalse );
if( NearestTentacle == nullptr )
{
NearestTentacle = Game_->getNearestTentacle( getParentEntity()->getWorldPosition().xy(), BcTrue );
}
// Spawn a projectile.
if( NearestTentacle && TemplateProjectile_ )
{
auto Entity = ScnCore::pImpl()->spawnEntity( ScnEntitySpawnParams(
BcName::INVALID, TemplateProjectile_,
getParentEntity()->getWorldMatrix(),
Game_->getParentEntity() ) );
auto Projectile = Entity->getComponentByType< GaProjectileComponent >();
Projectile->setLevel( Level_ );
Projectile->setTarget( NearestTentacle->getParentEntity() );
Game_->launchProjectile( Projectile );
// Time to spawn!
Timer_ -= CalculatedFireRate_;
}
}
break;
case GaStructureType::RESOURCE:
break;
case GaStructureType::POTATO:
break;
case GaStructureType::MINE:
break;
}
}
//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 );
}
}
//////////////////////////////////////////////////////////////////////////
// drawSpriteCentered
void ScnCanvasComponent::drawSpriteCenteredUp3D( const MaVec3d& Position, const MaVec2d& Size, BcU32 TextureIdx, const RsColour& Colour, BcU32 Layer )
{
MaVec3d NewPosition = Position - MaVec3d( Size.x() * 0.5f, 0.0f, Size.y() * 0.5f );
drawSpriteUp3D( NewPosition, Size, TextureIdx, Colour, Layer );
}