CookedMeshFormat.hpp

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#pragma once
 
#include "ecs/physics/SweptCollision.hpp"
 
#include <cstdint>
#include <span>
#include <string_view>
#include <vector>
 
namespace physics::cook
{
 
inline constexpr uint32_t k_magic = 0x6D63'3267u; // 'g2cm'
inline constexpr uint32_t k_version = 2u;         // v2 adds edgeNeighbor (Phase B)

struct Header
{
    uint32_t magic = k_magic;
    uint32_t version = k_version;
    uint32_t triCount = 0;
    uint32_t vertCount = 0;
    uint32_t bvhNodeCount = 0;
    uint32_t defaultSurface = 0; 
    glm::vec3 boundsMin{0.0f};
    glm::vec3 boundsMax{0.0f};
};

[[nodiscard]] std::vector<uint8_t> serialize(const WorldTriMesh& mesh);

[[nodiscard]] bool deserialize(std::span<const uint8_t> blob, WorldTriMesh& out);

[[nodiscard]] bool writeToFile(std::string_view path, const WorldTriMesh& mesh);

[[nodiscard]] bool readFromFile(std::string_view path, WorldTriMesh& out);
 
} // namespace physics::cook