90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
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#include "CRenderBucket.h"
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#include <algorithm>
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#include "CDrawUtil.h"
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#include "CGraphics.h"
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CRenderBucket::CRenderBucket()
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{
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mEstSize = 0;
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mSize = 0;
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}
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void CRenderBucket::SetSortType(ESortType Type)
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{
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mSortType = Type;
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}
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void CRenderBucket::Add(const SMeshPointer& Mesh)
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{
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if (mSize >= mEstSize)
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mNodes.push_back(Mesh);
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else
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mNodes[mSize] = Mesh;
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mSize++;
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}
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void CRenderBucket::Sort(CCamera& Camera)
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{
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struct {
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CCamera *pCamera;
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bool operator()(SMeshPointer left, SMeshPointer right) {
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CVector3f cPos = pCamera->Position();
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CVector3f cDir = pCamera->GetDirection();
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CVector3f distL = left.AABox.ClosestPointAlongVector(cDir) - cPos;
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float dotL = distL.Dot(cDir);
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CVector3f distR = right.AABox.ClosestPointAlongVector(cDir) - cPos;
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float dotR = distR.Dot(cDir);
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return (dotL > dotR);
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}
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} backToFront;
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backToFront.pCamera = &Camera;
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if (mSortType == BackToFront)
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std::stable_sort(mNodes.begin(), mNodes.begin() + mSize, backToFront);
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// Test: draw node bounding boxes + vertices used for sorting
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/*for (u32 iNode = 0; iNode < mNodes.size(); iNode++)
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{
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SMeshPointer *pNode = &mNodes[iNode];
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CVector3f Vert = pNode->AABox.ClosestPointAlongVector(Camera.GetDirection());
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CDrawUtil::DrawWireCube(pNode->AABox, CColor::skWhite);
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CVector3f Dist = Vert - Camera.GetPosition();
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float Dot = Dist.Dot(Camera.GetDirection());
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if (Dot < 0.f) Dot = -Dot;
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if (Dot > 50.f) Dot = 50.f;
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float Intensity = 1.f - (Dot / 50.f);
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CColor CubeColor(Intensity, Intensity, Intensity, 1.f);
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CGraphics::sMVPBlock.ModelMatrix = CTransform4f::TranslationMatrix(Vert).ToMatrix4f();
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CGraphics::UpdateMVPBlock();
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CDrawUtil::DrawCube(CubeColor);
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}*/
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}
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void CRenderBucket::Clear()
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{
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mEstSize = mSize;
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if (mNodes.size() > mSize) mNodes.resize(mSize);
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mSize = 0;
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}
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void CRenderBucket::Draw(ERenderOptions Options)
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{
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for (u32 n = 0; n < mSize; n++)
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{
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if (mNodes[n].Command == eDrawMesh)
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mNodes[n].pNode->Draw(Options);
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else if (mNodes[n].Command == eDrawAsset)
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mNodes[n].pNode->DrawAsset(Options, mNodes[n].Asset);
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else if (mNodes[n].Command == eDrawSelection)
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mNodes[n].pNode->DrawSelection();
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// todo: implementation for eDrawExtras
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}
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}
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