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31 lines
1,002 B
C++
31 lines
1,002 B
C++
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#pragma once
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#include <glm/glm.hpp>
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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namespace wowee {
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namespace editor {
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namespace cli {
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// Vertex weld pass shared by --info-mesh-stats / --info-wob-stats /
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// --bake-wom-collision. Positions are quantized onto a 1/eps grid;
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// every vertex sharing a cell with a previously-seen vertex is
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// remapped to that vertex's index. Returns canon[v] giving the
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// canonical (lowest-index) representative of v's equivalence class
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// and writes the count of distinct cells to `uniqueOut`.
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//
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// Implementation uses std::map<tuple<int64,int64,int64>, uint32_t>
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// for exact equality on the quantized key — a hash-based key would
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// risk false-positive collisions that incorrectly merge distinct
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// corners (e.g. a unit cube's 8 corners all hashing to 2 buckets).
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std::vector<uint32_t> buildWeldMap(
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const std::vector<glm::vec3>& positions,
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float eps,
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std::size_t& uniqueOut);
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} // namespace cli
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} // namespace editor
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} // namespace wowee
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