void PS_Light::_update(Particle * p)
{
Float3 Position = p->Position;
if (mParent->IsLocalSpace())
Position.TransformA(mParent->GetParent()->GetWorldTM());
mLight->SetPosition(Position);
mLight->SetDirection(p->Direction);
mLight->SetDiffuse(Float3(p->Color.r, p->Color.g, p->Color.b));
}
void PS_Mesh::_update(Particle * p)
{
Float3 Position = p->Position;
if (mParent->IsLocalSpace())
Position.TransformA(mParent->GetParent()->GetWorldTM());
mMesh->SetPosition(Position);
mMesh->SetOpacity(p->Color.a);
mMesh->SetRotationEx(p->Rotation);
mMesh->SetScale(p->Size);
mMesh->_updateTM();
int blendMode = mParent->GetBlendMode();
for (int i = 0; i < mMesh->GetSubMeshCount(); ++i)
{
SubMesh * submesh = mMesh->GetSubMesh(i);
Material * mtl = submesh->GetMaterial();
mtl->diffuse = Float3(p->Color.r, p->Color.g, p->Color.b);
if (mParent->_getTexture() != NULL)
{
mtl->maps[eMapType::DIFFUSE] = mParent->_getTexture();
}
if (mParent->GetShaderEnable())
{
mtl->depthMode = eDepthMode::N_LESS_EQUAL;
if (blendMode == PS_BlendMode::ADD)
{
mtl->blendMode = eBlendMode::ADD;
}
else if (blendMode == PS_BlendMode::ALPHA_BLEND)
{
mtl->blendMode = eBlendMode::ALPHA_BLEND;
}
else if (blendMode == PS_BlendMode::COLOR_BLEND)
{
mtl->blendMode = eBlendMode::COLOR_BLEND;
}
else
{
mtl->blendMode = eBlendMode::OPACITY;
mtl->depthMode = eDepthMode::LESS_EQUAL;
}
submesh->SetShaderFX(mParent->_getShaderFX());
submesh->SetRenderCallBack(eRenderCallBack::SHADER, mParent->GetShader().c_ptr());
}
}
}
void MeshGroup::_genMesh(const Array<Mesh *> & arr, int first, int last, bool hasLightingColor)
{
MeshSourcePtr source = arr[0]->GetSource();
Mesh * mesh = new Mesh;
for (int i = 0; i < source->GetMeshBufferCount(); ++i)
{
SubMesh * submesh = mesh->NewSubMesh();
VertexBufferPtr srcVB = source->GetMeshBuffer(i)->GetRenderOp()->vertexBuffers[0];
IndexBufferPtr srcIB = source->GetMeshBuffer(i)->GetRenderOp()->indexBuffer;
int p_offset = source->GetMeshBuffer(i)->GetRenderOp()->vertexDeclarations[0].GetElementOffset(eVertexSemantic::POSITION);
int n_offset = source->GetMeshBuffer(i)->GetRenderOp()->vertexDeclarations[0].GetElementOffset(eVertexSemantic::NORMAL);
int stride = srcVB->GetStride();
VertexBufferPtr vb = HWBufferManager::Instance()->NewVertexBuffer(stride, srcVB->GetCount() * (last - first));
const char * v_src = (const char *)srcVB->Lock(eLockFlag::READ);
char * v_dest = (char *)vb->Lock(eLockFlag::WRITE);
for (int j = first; j < last; ++j)
{
const Mat4 & worldTM = arr[j]->GetWorldTM();
bool hasScale = arr[j]->GetWorldScale() != Float3(1, 1, 1);
for (int k = 0; k < srcVB->GetCount(); ++k)
{
memcpy(v_dest, v_src, stride);
Float3 * position = (Float3 *)(v_dest + p_offset);
position->TransformA(worldTM);
if (n_offset != -1)
{
Float3 * normal = (Float3 *)(v_dest + n_offset);
normal->TransformN(worldTM);
if (hasScale)
{
normal->Normalize();
}
}
v_dest += stride;
v_src += stride;
}
}
vb->Unlock();
srcVB->Unlock();
IndexBufferPtr ib = HWBufferManager::Instance()->NewIndexBuffer(srcIB->GetCount() * (last - first));
int startVertex = 0;
const short * i_src = (const short *)srcIB->Lock(eLockFlag::READ);
char * i_dest = (char *)ib->Lock(eLockFlag::WRITE);
for (int j = first; j < last; ++j)
{
for (int k = 0; k < srcIB->GetCount(); ++k)
{
*i_dest++ = (*i_src++) + startVertex;
}
startVertex += srcVB->GetCount();
}
ib->Unlock();
srcIB->Unlock();
submesh->GetRenderOp()->vertexDeclarations[0] = source->GetMeshBuffer(i)->GetRenderOp()->vertexDeclarations[0];
submesh->GetRenderOp()->vertexBuffers[0] = vb;
submesh->GetRenderOp()->indexBuffer = ib;
submesh->GetRenderOp()->primCount = ib->GetCount() / 3;
submesh->GetRenderOp()->primType = ePrimType::TRIANGLE_LIST;
if (hasLightingColor)
{
int count = submesh->GetRenderOp()->vertexBuffers[0]->GetCount();
submesh->GetRenderOp()->vertexDeclarations[LIGHTING_COLOR_STREAM].AddElement(eVertexSemantic::LIGHTING_COLOR, eVertexType::UBYTE4);
submesh->GetRenderOp()->vertexBuffers[LIGHTING_COLOR_STREAM] = HWBufferManager::Instance()->NewVertexBuffer(4, count);
Array<Rgba32> lightColors;
Rgba32 * data = (Rgba32 *)submesh->GetRenderOp()->vertexBuffers[LIGHTING_COLOR_STREAM]->Lock(eLockFlag::WRITE);
for (int j = first; j < last; ++j)
{
arr[j]->GetLightingColor(lightColors);
d_assert (lightColors.Size() > 0);
memcpy(data, &lightColors[0], 4 * count);
startVertex += count;
lightColors.Clear();
}
submesh->GetRenderOp()->vertexBuffers[LIGHTING_COLOR_STREAM]->Unlock();
}
*submesh->GetMaterial() = *source->GetMeshBuffer(i)->GetMaterial();
submesh->SetMeshShader(source->GetMeshBuffer(i)->GetShader());
}
mesh->SetSLMode(hasLightingColor ? eStaticLightingMode::LIGHTING_COLOR : eStaticLightingMode::NONE);
mMeshes.PushBack(mesh);
}