108 lines
3.1 KiB
C++
108 lines
3.1 KiB
C++
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Math/Triangle.h"
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#include "Engine/Core/Collections/Dictionary.h"
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#include "Engine/Physics/CollisionData.h"
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#include "Engine/Serialization/ISerializable.h"
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#include "Engine/Content/AssetReference.h"
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#include "Engine/Content/Assets/RawDataAsset.h"
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#include "Engine/Content/Assets/Model.h"
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class Scene;
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namespace CSG
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{
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/// <summary>
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/// CSG geometry data container (used per scene).
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/// </summary>
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class SceneCSGData : public ISerializable
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{
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private:
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Scene* _scene;
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="SceneCSGData"/> class.
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/// </summary>
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/// <param name="scene">The parent scene.</param>
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SceneCSGData(Scene* scene);
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public:
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/// <summary>
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/// CSG mesh building action time (registered by CSG::Builder, in UTC format). Invalid if not build by active engine instance.
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/// </summary>
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DateTime BuildTime;
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/// <summary>
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/// The model mesh (used for rendering).
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/// </summary>
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AssetReference<Model> Model;
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/// <summary>
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/// The CSG mesh raw data.
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/// </summary>
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AssetReference<RawDataAsset> Data;
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/// <summary>
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/// The CSG mesh collision data.
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/// </summary>
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AssetReference<CollisionData> CollisionData;
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/// <summary>
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/// The brush data locations lookup for faster searching though Data container.
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/// </summary>
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Dictionary<Guid, int32> DataBrushLocations;
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/// <summary>
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/// The post CSG build action. Called by the CSGBuilder after CSG mesh building end.
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/// </summary>
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Action PostCSGBuild;
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public:
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/// <summary>
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/// Build CSG geometry for the given scene.
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/// </summary>
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/// <param name="timeoutMs">The timeout to wait before building CSG (in milliseconds).</param>
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void BuildCSG(float timeoutMs = 50) const;
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/// <summary>
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/// Determines whether this container has CSG data linked.
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/// </summary>
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bool HasData() const;
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public:
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struct SurfaceData
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{
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Array<Triangle> Triangles;
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bool Intersects(const Ray& ray, float& distance, Vector3& normal);
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};
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/// <summary>
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/// Tries the get the brush surface data (may fail if data is missing or given brush surface doesn't result with any triangle).
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/// </summary>
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/// <param name="brushId">The brush identifier.</param>
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/// <param name="brushSurfaceIndex">Index of the brush surface.</param>
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/// <param name="outData">The output data.</param>
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/// <returns>True if found data, otherwise false.</returns>
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bool TryGetSurfaceData(const Guid& brushId, int32 brushSurfaceIndex, SurfaceData& outData);
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private:
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void OnDataChanged();
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public:
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// [ISerializable]
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void Serialize(SerializeStream& stream, const void* otherObj) override;
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void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) override;
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};
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};
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