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Load Vertex Stream Routing

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This commit is contained in:
Jan
2022-04-10 17:48:12 +02:00
parent bd291a75a9
commit e0bcf7aff0
3 changed files with 71 additions and 39 deletions
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33
src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderTechniqueSet.cpp
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@ -536,6 +536,39 @@ namespace IW4
bool AcceptVertexStreamRouting(const std::string& destination, const std::string& source, std::string& errorMessage) override
{
assert(!m_passes.empty());
auto& pass = m_passes.at(m_passes.size() - 1);
const auto streamIndex = static_cast<size_t>(pass.m_vertex_decl.streamCount);
if(pass.m_vertex_decl.streamCount >= std::extent_v<decltype(MaterialVertexStreamRouting::data)>)
{
errorMessage = "Too many stream routings";
return false;
}
const auto foundDestination = std::find(std::begin(materialStreamDestinationNames), std::end(materialStreamDestinationNames), destination);
if(foundDestination == std::end(materialStreamDestinationNames))
{
errorMessage = "Unknown stream destination";
return false;
}
const auto foundSource = std::find(std::begin(materialStreamSourceNames), std::end(materialStreamSourceNames), source);
if (foundSource == std::end(materialStreamSourceNames))
{
errorMessage = "Unknown stream source";
return false;
}
const auto destinationIndex = static_cast<MaterialStreamDestination_e>(foundDestination - std::begin(materialStreamDestinationNames));
const auto sourceIndex = static_cast<MaterialStreamStreamSource_e>(foundSource - std::begin(materialStreamSourceNames));
pass.m_vertex_decl.routing.data[streamIndex].dest = destinationIndex;
pass.m_vertex_decl.routing.data[streamIndex].source = sourceIndex;
pass.m_vertex_decl.hasOptionalSource = pass.m_vertex_decl.hasOptionalSource || sourceIndex >= STREAM_SRC_OPTIONAL_BEGIN;
pass.m_vertex_decl.streamCount++;
return true;
}
};