59 lines
4 KiB
C++
59 lines
4 KiB
C++
#pragma once
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#include "../CanvasComponents/CanvasComponentContainer.hpp"
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#include <unordered_map>
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struct DrawingProgramCacheBVHNode {
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public:
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SCollision::AABB<WorldScalar> bounds;
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CoordSpaceHelper coords;
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Vector2i resolution;
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private:
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std::vector<CanvasComponentContainer::ObjInfo*> components;
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std::vector<std::shared_ptr<DrawingProgramCacheBVHNode>> children;
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friend class DrawingProgramCache;
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};
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class DrawingProgramCache {
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public:
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static constexpr size_t MINIMUM_COMPONENTS_TO_START_REBUILD = 1000;
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static constexpr size_t MAXIMUM_COMPONENTS_IN_SINGLE_NODE = 50;
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static constexpr size_t MAXIMUM_DRAW_CACHE_SURFACES = 40;
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DrawingProgramCache(DrawingProgram& initDrawP);
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void add_component(CanvasComponentContainer::ObjInfo* c);
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void erase_component(CanvasComponentContainer::ObjInfo* c);
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void clear_own_cached_surfaces();
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void preupdate_component(CanvasComponentContainer::ObjInfo* c);
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void build(const std::unordered_set<CanvasComponentContainer::ObjInfo*>& objsToExclude);
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void traverse_bvh_run_function(const SCollision::AABB<WorldScalar>& aabb, std::function<bool(const std::shared_ptr<DrawingProgramCacheBVHNode>& node)> f);
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void traverse_bvh_run_function_starting_at_node(const std::shared_ptr<DrawingProgramCacheBVHNode>& bvhNode, const SCollision::AABB<WorldScalar>& aabb, std::function<bool(const std::shared_ptr<DrawingProgramCacheBVHNode>& node)> f);
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void traverse_bvh_run_function_starting_at_node_no_collision_check(const std::shared_ptr<DrawingProgramCacheBVHNode>& bvhNode, std::function<bool(const std::shared_ptr<DrawingProgramCacheBVHNode>& node)> f);
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void node_loop_erase_if_components(const std::shared_ptr<DrawingProgramCacheBVHNode>& bvhNode, std::function<bool(CanvasComponentContainer::ObjInfo* comp)> f);
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void node_loop_components(const std::shared_ptr<DrawingProgramCacheBVHNode>& bvhNode, std::function<void(CanvasComponentContainer::ObjInfo* comp)> f);
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bool should_rebuild() const;
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void draw_components_to_canvas(SkCanvas* canvas, const DrawData& drawData, const std::optional<SCollision::AABB<WorldScalar>>& drawBounds);
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bool unsorted_components_exist() const;
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void invalidate_cache_at_aabb(const SCollision::AABB<WorldScalar>& aabb);
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void refresh_all_draw_cache(const DrawData& drawData);
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CanvasComponentContainer::ObjInfo* get_front_object_colliding_with_in_editing_layer(const SCollision::ColliderCollection<float>& cC);
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~DrawingProgramCache();
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private:
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struct NodeCache {
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sk_sp<SkSurface> surface;
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std::chrono::steady_clock::time_point lastRenderTime;
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DrawingProgramCache* attachedDrawingProgramCache;
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std::optional<SCollision::AABB<WorldScalar>> invalidBounds;
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};
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static std::unordered_map<std::shared_ptr<DrawingProgramCacheBVHNode>, NodeCache> nodeCacheMap;
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void internal_build(std::vector<CanvasComponentContainer::ObjInfo*> componentsToBuild, const std::unordered_set<CanvasComponentContainer::ObjInfo*>& objsToNotInclude);
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void build_bvh_node(const std::shared_ptr<DrawingProgramCacheBVHNode>& bvhNode, const std::vector<CanvasComponentContainer::ObjInfo*>& components);
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void build_bvh_node_coords_and_resolution(DrawingProgramCacheBVHNode& node);
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void refresh_draw_cache(const std::shared_ptr<DrawingProgramCacheBVHNode>& bvhNode, const DrawData& drawData);
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void draw_cache_image_to_canvas(SkCanvas* canvas, const DrawData& drawData, const std::shared_ptr<DrawingProgramCacheBVHNode>& bvhNode);
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void recursive_draw_layer_item_to_canvas(const DrawingProgramLayerListItem& layerListItem, SkCanvas* canvas, const DrawData& drawData, const std::optional<SCollision::AABB<WorldScalar>>& drawBounds, const std::vector<std::shared_ptr<DrawingProgramCacheBVHNode>>& nodesToDraw);
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std::shared_ptr<DrawingProgramCacheBVHNode> bvhRoot;
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std::vector<CanvasComponentContainer::ObjInfo*> unsortedComponents;
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DrawingProgram& drawP;
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};
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