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#include "UnityPrefix.h"
#include "LineRenderer.h"
#include "Runtime/Mono/MonoManager.h"
#include "Runtime/Graphics/Transform.h"
#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
#include "Runtime/Serialize/TransferFunctions/TransferNameConversions.h"
#include "Runtime/Camera/RenderManager.h"
#include "Runtime/Camera/Camera.h"
#include "Runtime/Shaders/VBO.h"
#include "Runtime/GfxDevice/GfxDevice.h"
#include "Runtime/Profiler/Profiler.h"
IMPLEMENT_CLASS_INIT_ONLY (LineRenderer)
IMPLEMENT_OBJECT_SERIALIZE (LineRenderer)
LineRenderer::LineRenderer (MemLabelId label, ObjectCreationMode mode)
: Super(kRendererLine, label, mode)
{
SetVisible (false);
}
LineRenderer::~LineRenderer ()
{
}
void LineRenderer::InitializeClass ()
{
RegisterAllowNameConversion (LineRenderer::GetClassStringStatic(), "m_WorldSpace", "m_UseWorldSpace");
}
void LineRenderer::SetVertexCount(int count)
{
if(count < 0)
{
count = 0;
ErrorString ("LineRenderer.SetVertexCount: Vertex count can't be set to negative value!");
}
UpdateManagerState( true );
m_Positions.resize(count);
SetVisible (m_Positions.size() >= 2);
SetDirty();
BoundsChanged();
}
void LineRenderer::AwakeFromLoad(AwakeFromLoadMode awakeMode)
{
Super::AwakeFromLoad(awakeMode);
SetVisible (m_Positions.size() >= 2);
if ((awakeMode & kDidLoadFromDisk) == 0)
BoundsChanged();
}
void LineRenderer::SetPosition (int index, const Vector3f& position)
{
SetDirty();
UpdateManagerState( true );
if (index < m_Positions.size() && index >= 0)
m_Positions[index] = position;
else
ErrorString("LineRenderer.SetPosition index out of bounds!");
BoundsChanged();
}
PROFILER_INFORMATION(gSubmitVBOProfileLine, "Mesh.SubmitVBO", kProfilerRender)
void LineRenderer::Render (int subsetIndex, const ChannelAssigns& channels)
{
if( m_Positions.size() < 2 )
return;
Vector3f* lineInVerts = NULL;
ALLOC_TEMP(lineInVerts, Vector3f, m_Positions.size());
MinMaxAABB mmAABB = MinMaxAABB(Vector3f::zero, Vector3f::zero);
if (m_UseWorldSpace)
{
memcpy (lineInVerts, &m_Positions[0], m_Positions.size()*sizeof(Vector3f));
}
else
{
Transform& tc = GetComponent(Transform);
int idx = 0;
for (PositionVector::iterator j = m_Positions.begin(); j != m_Positions.end(); ++j, ++idx)
{
lineInVerts[idx] = tc.TransformPoint(*j);
}
}
// Get VBO chunk
int stripCount = m_Positions.size() * 2;
GfxDevice& device = GetGfxDevice();
DynamicVBO& vbo = device.GetDynamicVBO();
LineVertex* vbPtr;
if( !vbo.GetChunk( (1<<kShaderChannelVertex) | (1<<kShaderChannelTexCoord0) | (1<<kShaderChannelColor),
stripCount, 0,
DynamicVBO::kDrawTriangleStrip,
(void**)&vbPtr, NULL ) )
{
return;
}
// Generate line into the chunk
m_Parameters.outVertices = vbPtr;
m_Parameters.outAABB = &mmAABB;
m_Parameters.cameraTransform = GetCurrentCamera().GetWorldToCameraMatrix();
Build3DLine (&m_Parameters, lineInVerts, m_Positions.size());
vbo.ReleaseChunk( stripCount, 0 );
// We can't set the view matrix since that breaks shadow maps (case 490315)
// Set the world matrix instead so it cancels out the usual view matrix
// i.e. it transforms from camera space back to world space
device.SetWorldMatrix(GetCurrentCamera().GetCameraToWorldMatrix().GetPtr());
if (m_CustomProperties)
device.SetMaterialProperties (*m_CustomProperties);
PROFILER_BEGIN(gSubmitVBOProfileLine, this)
vbo.DrawChunk (channels);
GPU_TIMESTAMP();
PROFILER_END
}
void LineRenderer::UpdateTransformInfo ()
{
const Transform& transform = GetTransform();
if (m_TransformDirty)
{
m_TransformInfo.invScale = 1.0f;
// will return a cached matrix most of the time
m_TransformInfo.transformType = transform.CalculateTransformMatrix (m_TransformInfo.worldMatrix);;
}
if (m_BoundsDirty)
{
MinMaxAABB minmax;
minmax.Init();
for (PositionVector::const_iterator i = m_Positions.begin(), itEnd = m_Positions.end(); i != itEnd; ++i)
minmax.Encapsulate (*i);
if (m_UseWorldSpace)
{
m_TransformInfo.worldAABB = minmax;
TransformAABB (m_TransformInfo.worldAABB, transform.GetWorldToLocalMatrix(), m_TransformInfo.localAABB);
}
else
{
m_TransformInfo.localAABB = minmax;
TransformAABB (m_TransformInfo.localAABB, transform.GetLocalToWorldMatrix(), m_TransformInfo.worldAABB);
}
}
}
void LineRenderer::UpdateRenderer()
{
Super::UpdateRenderer();
if (m_BoundsDirty)
{
BoundsChanged();
}
}
void LineRenderer::Reset()
{
Super::Reset();
m_UseWorldSpace = true;
m_Positions.clear();
m_Positions.push_back (Vector3f (0,0,0));
m_Positions.push_back (Vector3f (0,0,1));
m_Parameters.color1 = ColorRGBA32(255, 255, 255, 255);
m_Parameters.color2 = ColorRGBA32(255, 255, 255, 255);
SetVisible (true);
}
void LineRenderer::SetUseWorldSpace (bool space)
{
m_UseWorldSpace = space;
SetDirty();
UpdateManagerState( true );
BoundsChanged();
}
template<class TransferFunction> inline
void LineRenderer::Transfer (TransferFunction& transfer) {
Super::Transfer (transfer);
TRANSFER_SIMPLE (m_Positions);
TRANSFER_SIMPLE (m_Parameters);
TRANSFER (m_UseWorldSpace);
}
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