Files
MapLibreParticleLab/include/mbgl/renderer/change_request.hpp
2023-09-21 15:52:33 +00:00

120 lines
2.7 KiB
C++

#pragma once
#include <mbgl/util/color.hpp>
#include <mbgl/util/identity.hpp>
#include <memory>
#include <vector>
namespace mbgl {
class ChangeRequest;
class LayerGroupBase;
class TileLayerGroup;
class RenderOrchestrator;
class RenderTarget;
using ChangeRequestPtr = std::shared_ptr<ChangeRequest>;
using UniqueChangeRequest = std::unique_ptr<ChangeRequest>;
using UniqueChangeRequestVec = std::vector<UniqueChangeRequest>;
using LayerGroupBasePtr = std::shared_ptr<LayerGroupBase>;
using RenderTargetPtr = std::shared_ptr<RenderTarget>;
namespace gfx {
class Drawable;
using DrawablePtr = std::shared_ptr<Drawable>;
} // namespace gfx
/**
Base class for changes to be made to the scene
*/
class ChangeRequest {
protected:
ChangeRequest() = default;
public:
virtual ~ChangeRequest() = default;
virtual void execute(RenderOrchestrator &) = 0;
};
/**
Base for change requests based on an ID reference
*/
class RefChangeRequest : public ChangeRequest {
protected:
RefChangeRequest(util::SimpleIdentity id_)
: id(id_) {}
RefChangeRequest(const RefChangeRequest &) = default;
util::SimpleIdentity id;
};
/**
Add a new layer group to the scene
*/
class AddLayerGroupRequest : public ChangeRequest {
public:
AddLayerGroupRequest(LayerGroupBasePtr layerGroup_);
AddLayerGroupRequest(AddLayerGroupRequest &&other);
void execute(RenderOrchestrator &) override;
protected:
LayerGroupBasePtr layerGroup;
};
/**
Remove a layer group from the scene
*/
class RemoveLayerGroupRequest : public ChangeRequest {
public:
RemoveLayerGroupRequest(LayerGroupBasePtr layerGroup_)
: layerGroup(std::move(layerGroup_)) {}
RemoveLayerGroupRequest(const RemoveLayerGroupRequest &) = default;
void execute(RenderOrchestrator &) override;
protected:
LayerGroupBasePtr layerGroup;
};
class UpdateLayerGroupIndexRequest : public ChangeRequest {
public:
UpdateLayerGroupIndexRequest(LayerGroupBasePtr, int32_t newLayerIndex_);
UpdateLayerGroupIndexRequest(const UpdateLayerGroupIndexRequest &) = delete;
void execute(RenderOrchestrator &) override;
protected:
LayerGroupBasePtr layerGroup;
int32_t newLayerIndex;
};
/**
Add a new render target to the scene
*/
class AddRenderTargetRequest : public ChangeRequest {
public:
AddRenderTargetRequest(RenderTargetPtr renderTarget_);
void execute(RenderOrchestrator &) override;
protected:
RenderTargetPtr renderTarget;
};
/**
Remove a render target from the scene
*/
class RemoveRenderTargetRequest : public ChangeRequest {
public:
RemoveRenderTargetRequest(RenderTargetPtr renderTarget_);
void execute(RenderOrchestrator &) override;
protected:
RenderTargetPtr renderTarget;
};
} // namespace mbgl