component_classification.hpp

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#pragma once
#include "anchor_mask.hpp"
#include "physics_settings.hpp"
 
#include <glm/glm.hpp>
#include <toast/voxel/connectivity.hpp>
 
namespace physics {
 
enum class ComponentClass : uint8_t {
  anchored,
  detached,
  dropped,
};
 
[[nodiscard]]
auto classifyComponents(const voxel::Connectivity& c, glm::uvec3 brick_size, AnchorMask mask) -> std::vector<ComponentClass>;
 
struct DetachedComponent {
  uint32_t component = 0;
  std::vector<voxel::BrickPiece> pieces;
  uint32_t voxel_count = 0;
};
 
[[nodiscard]]
auto buildDetachedComponents(
    const voxel::Connectivity& c, std::span<const ComponentClass> classes, glm::uvec3 brick_size,
    ComponentClass target_class = ComponentClass::detached
) -> std::vector<DetachedComponent>;
 
inline auto maxFragmentExtentBricks() -> int32_t {
  return tunables().max_fragment_extent_bricks;
}
 
[[nodiscard]]
auto splitBySpatialCompactness(std::vector<DetachedComponent> components, int32_t max_extent_bricks = maxFragmentExtentBricks())
    -> std::vector<DetachedComponent>;
 
}