GeometryCollectionRenderer.h

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#pragma once
#include "common/Export.h"
 
#include "common/Result.h"
 
#include <cstdint>
 
namespace eve::graphics {
class Graphics;
class Mesh;
}  // namespace eve::graphics
 
namespace eve::physics {
 
class GeometryCollectionInstance;
 
class EVENGINE_API_DOMAINS GeometryCollectionRenderer final {
public:
    explicit GeometryCollectionRenderer(GeometryCollectionInstance* instance) noexcept;
 
    GeometryCollectionRenderer(const GeometryCollectionRenderer&)            = delete;
    GeometryCollectionRenderer& operator=(const GeometryCollectionRenderer&) = delete;
    ~GeometryCollectionRenderer();
 
    void setInstance(GeometryCollectionInstance* instance);
    [[nodiscard]] GeometryCollectionInstance* getInstance() const noexcept { return instance_; }
 
    void setExteriorColor(float r, float g, float b, float a);
    void setInteriorColor(float r, float g, float b, float a);
    void setSleepColor(float r, float g, float b, float a);
 
    [[nodiscard("check geometry-collection draw")]] eve::Result<void> draw(graphics::Graphics* graphics);
 
    [[nodiscard]] int lastActiveDrawCount() const noexcept { return lastActiveDrawCount_; }
    [[nodiscard]] int lastSleepBatchCount() const noexcept { return lastSleepBatchCount_; }
 
private:
    void ensureUnitBox(graphics::Graphics& graphics);
    void releaseOwnedMeshes(graphics::Graphics* graphics);
    void invalidateSleepBatch(graphics::Graphics* graphics = nullptr);
    [[nodiscard]] eve::Result<void> rebuildSleepBatch(graphics::Graphics& graphics);
 
    GeometryCollectionInstance* instance_ = nullptr;
    graphics::Graphics* meshOwner_ = nullptr;
    graphics::Mesh* unitBox_ = nullptr;
    graphics::Mesh* sleepBatch_ = nullptr;
    std::uint64_t sleepBatchRevision_ = 0;
    int sleepBatchBoneCount_ = 0;
    int lastActiveDrawCount_ = 0;
    int lastSleepBatchCount_ = 0;
    float exteriorR_ = 0.62f, exteriorG_ = 0.58f, exteriorB_ = 0.52f, exteriorA_ = 1.f;
    float interiorR_ = 0.78f, interiorG_ = 0.42f, interiorB_ = 0.28f, interiorA_ = 1.f;
    float sleepR_ = 0.45f, sleepG_ = 0.45f, sleepB_ = 0.48f, sleepA_ = 1.f;
};
 
}  // namespace eve::physics