GeometryStroke.h

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#pragma once
 
#include "common/Result.h"
#include "procgen/MeshBuild.h"
 
#include <cstdint>
#include <string_view>
#include <vector>
 
namespace eve::procgen {
 
struct GeometryStrokePoint {
    float x = 0.f;
    float y = 0.f;
    float z = 0.f;
};
 
class EVENGINE_API_DOMAINS GeometryStroke {
public:
    [[nodiscard]] Result<void> setShapeResult(std::string_view shape);
    [[nodiscard]] Result<void> setInputSpaceResult(std::string_view inputSpace, float planeY = 0.f);
    [[nodiscard]] Result<void> setSizeResult(float width, float depth);
    [[nodiscard]] Result<void> setMinimumSpacingResult(float spacing);
    [[nodiscard]] Result<bool> addPointResult(float x, float y, float z);
    [[nodiscard]] Result<void> undoResult();
    void clear() noexcept;
    [[nodiscard]] Result<MeshBuild> buildMeshResult() const;
 
    [[nodiscard]] int pointCount() const noexcept { return static_cast<int>(points_.size()); }
    [[nodiscard]] std::string_view shape() const noexcept { return shape_; }
    [[nodiscard]] std::string_view inputSpace() const noexcept { return inputSpace_; }
    [[nodiscard]] std::uint64_t revision() const noexcept { return revision_; }
 
private:
    std::vector<GeometryStrokePoint> points_;
    std::string                      shape_      = "quad";
    std::string                      inputSpace_ = "spatial";
    float                            planeY_     = 0.f;
    float                            width_      = 0.25f;
    float                            depth_      = 0.25f;
    float                            spacing_    = 0.02f;
    std::uint64_t                    revision_   = 0;
};
 
}  // namespace eve::procgen