CProgressiveGeometry *CMesh::BuildProgressiveGeometry(int iMaterial, UINT uiNoReorderVertexCount, UINT uiMaxCollapses)
{
CProgressiveGeometry *pProgGeom = new CProgressiveGeometry();
CArray<uint8_t> arrUsedVertices;
if (uiNoReorderVertexCount > (UINT) (m_arrCollapses.m_iCount + m_hashVertices.m_iCount))
uiNoReorderVertexCount = m_arrCollapses.m_iCount + m_hashVertices.m_iCount;
if (!m_arrReverseReorder.m_iCount)
BuildReverseReorder(uiNoReorderVertexCount);
pProgGeom->m_pInputDesc = m_pOrgGeom->m_pInputDesc;
if (!m_pVB)
m_pVB = BuildVB(uiNoReorderVertexCount);
pProgGeom->m_pVB = m_pVB;
pProgGeom->m_pIB = BuildIB(iMaterial, arrUsedVertices);
pProgGeom->m_ePrimitiveType = CGeometry::PT_TRIANGLELIST;
pProgGeom->m_uiVertices = pProgGeom->GetVBVertexCount();
pProgGeom->m_uiIndices = pProgGeom->GetIBIndexCount();
if (m_pOrgGeom->m_pBound)
pProgGeom->m_pBound = m_pOrgGeom->m_pBound->Clone();
BuildCollapseBuffer(uiNoReorderVertexCount || iMaterial >= 0, uiMaxCollapses, arrUsedVertices, pProgGeom);
return pProgGeom;
}
void ParticleSystem::init(ID3D11Device* device, ParticleEffect* fx, ID3D11ShaderResourceView* texArraySRV, ID3D11ShaderResourceView* randomTexSRV, UINT maxParticles)
{
mMaxParticles = maxParticles;
mFX = fx;
mTexArraySRV = texArraySRV;
mRandomTexSRV = randomTexSRV;
BuildVB(device);
}
void ParticleSystem::Init( HlslEffect effect, Texture dataTexture, size_t maxParticles )
{
mFX = effect;
mTexure = dataTexture;
mMaxParticles = maxParticles;
mRandomTex = Texture::createRandom1D();
const D3D11_INPUT_ELEMENT_DESC elements[5] =
{
{"POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"VELOCITY", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"SIZE", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"AGE", 0, DXGI_FORMAT_R32_FLOAT, 0, 32, D3D11_INPUT_PER_VERTEX_DATA, 0},
{"TYPE", 0, DXGI_FORMAT_R32_UINT, 0, 36, D3D11_INPUT_PER_VERTEX_DATA, 0},
};
HR(mFX.createInputLayout(elements, ARRAYSIZE(elements), &mInputLayout));
BuildVB();
}
