PrimeWorldEditor/src/Core/Scene/CStaticNode.cpp

141 lines
4.3 KiB
C++

#include "CStaticNode.h"
#include "Core/Render/CGraphics.h"
#include "Core/Render/CDrawUtil.h"
#include "Core/Render/CRenderer.h"
#include <Common/Math/MathUtil.h>
CStaticNode::CStaticNode(CScene *pScene, uint32 NodeID, CSceneNode *pParent, CStaticModel *pModel)
: CSceneNode(pScene, NodeID, pParent)
, mpModel(pModel)
{
mLocalAABox = mpModel->AABox();
mScale = CVector3f::skOne;
SetName("Static Node");
}
ENodeType CStaticNode::NodeType()
{
return ENodeType::Static;
}
void CStaticNode::PostLoad()
{
if (mpModel)
{
mpModel->BufferGL();
mpModel->GenerateMaterialShaders();
}
}
void CStaticNode::AddToRenderer(CRenderer *pRenderer, const SViewInfo& rkViewInfo)
{
if (!mpModel) return;
if (mpModel->IsOccluder()) return;
if (!rkViewInfo.ViewFrustum.BoxInFrustum(AABox())) return;
if (!mpModel->IsTransparent())
pRenderer->AddMesh(this, -1, AABox(), false, ERenderCommand::DrawMesh);
else
{
uint32 NumSurfaces = mpModel->GetSurfaceCount();
for (uint32 iSurf = 0; iSurf < NumSurfaces; iSurf++)
{
CAABox TransformedBox = mpModel->GetSurfaceAABox(iSurf).Transformed(Transform());
if (rkViewInfo.ViewFrustum.BoxInFrustum(TransformedBox))
pRenderer->AddMesh(this, iSurf, TransformedBox, true, ERenderCommand::DrawMesh);
}
}
if (mSelected && !rkViewInfo.GameMode)
pRenderer->AddMesh(this, -1, AABox(), false, ERenderCommand::DrawSelection);
}
void CStaticNode::Draw(FRenderOptions Options, int ComponentIndex, ERenderCommand /*Command*/, const SViewInfo& rkViewInfo)
{
if (!mpModel) return;
bool IsLightingEnabled = CGraphics::sLightMode == CGraphics::ELightingMode::World || rkViewInfo.GameMode;
bool UseWhiteAmbient = (mpModel->GetMaterial()->Options() & EMaterialOption::DrawWhiteAmbientDKCR) != 0;
if (IsLightingEnabled)
{
CGraphics::sNumLights = 0;
CGraphics::sVertexBlock.COLOR0_Amb = UseWhiteAmbient ? CColor::skTransparentWhite : CColor::skTransparentBlack;
CGraphics::sVertexBlock.COLOR0_Mat = CColor::skBlack;
CGraphics::sPixelBlock.LightmapMultiplier = 1.0f;
CGraphics::UpdateLightBlock();
}
else
{
LoadLights(rkViewInfo);
if (CGraphics::sLightMode == CGraphics::ELightingMode::None || UseWhiteAmbient)
CGraphics::sVertexBlock.COLOR0_Amb = CColor::skTransparentWhite;
CGraphics::sVertexBlock.COLOR0_Mat = CColor::skWhite;
}
float Mul = CGraphics::sWorldLightMultiplier;
CGraphics::sPixelBlock.SetAllTevColors(CColor(Mul,Mul,Mul));
CGraphics::sPixelBlock.TintColor = TintColor(rkViewInfo);
LoadModelMatrix();
if (ComponentIndex < 0)
mpModel->Draw(Options);
else
mpModel->DrawSurface(Options, ComponentIndex);
}
void CStaticNode::DrawSelection()
{
if (!mpModel) return;
LoadModelMatrix();
mpModel->DrawWireframe(ERenderOption::None, WireframeColor());
}
void CStaticNode::RayAABoxIntersectTest(CRayCollisionTester& rTester, const SViewInfo& /*rkViewInfo*/)
{
if ((!mpModel) || (mpModel->IsOccluder()))
return;
const CRay& rkRay = rTester.Ray();
std::pair<bool,float> BoxResult = AABox().IntersectsRay(rkRay);
if (BoxResult.first)
{
for (uint32 iSurf = 0; iSurf < mpModel->GetSurfaceCount(); iSurf++)
{
std::pair<bool,float> SurfResult = mpModel->GetSurfaceAABox(iSurf).Transformed(Transform()).IntersectsRay(rkRay);
if (SurfResult.first)
rTester.AddNode(this, iSurf, SurfResult.second);
}
}
}
SRayIntersection CStaticNode::RayNodeIntersectTest(const CRay& rkRay, uint32 AssetID, const SViewInfo& rkViewInfo)
{
SRayIntersection Out;
Out.pNode = this;
Out.ComponentIndex = AssetID;
CRay TransformedRay = rkRay.Transformed(Transform().Inverse());
FRenderOptions Options = rkViewInfo.pRenderer->RenderOptions();
std::pair<bool,float> Result = mpModel->GetSurface(AssetID)->IntersectsRay(TransformedRay, ((Options & ERenderOption::EnableBackfaceCull) == 0));
if (Result.first)
{
Out.Hit = true;
CVector3f HitPoint = TransformedRay.PointOnRay(Result.second);
CVector3f WorldHitPoint = Transform() * HitPoint;
Out.Distance = Math::Distance(rkRay.Origin(), WorldHitPoint);
}
else
Out.Hit = false;
return Out;
}