1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include <3d/ecs/components/render_mesh_batch_component.h>
17 
18 #include "ComponentTools/base_manager.h"
19 #include "ComponentTools/base_manager.inl"
20 
21 #define IMPLEMENT_MANAGER
22 #include "PropertyTools/property_macros.h"
23 
24 CORE_BEGIN_NAMESPACE()
25 // Extend propertysystem with the enums
26 DECLARE_PROPERTY_TYPE(CORE3D_NS::RenderMeshBatchComponent::BatchType);
27 
28 // Declare their metadata
29 BEGIN_ENUM(BatchTypeMetaData, CORE3D_NS::RenderMeshBatchComponent::BatchType)
30 DECL_ENUM(CORE3D_NS::RenderMeshBatchComponent::BatchType, GPU_INSTANCING, "GPU Instancing")
31 END_ENUM(BatchTypeMetaData, CORE3D_NS::RenderMeshBatchComponent::BatchType)
32 CORE_END_NAMESPACE()
33 
34 CORE3D_BEGIN_NAMESPACE()
35 using BASE_NS::array_view;
36 using BASE_NS::countof;
37 
38 using CORE_NS::BaseManager;
39 using CORE_NS::IComponentManager;
40 using CORE_NS::IEcs;
41 using CORE_NS::Property;
42 
43 class RenderMeshBatchComponentManager final
44     : public BaseManager<RenderMeshBatchComponent, IRenderMeshBatchComponentManager> {
45     BEGIN_PROPERTY(RenderMeshBatchComponent, ComponentMetadata)
46 #include <3d/ecs/components/render_mesh_batch_component.h>
47     END_PROPERTY();
48     const array_view<const Property> componentMetaData_ { ComponentMetadata, countof(ComponentMetadata) };
49 
50 public:
RenderMeshBatchComponentManager(IEcs & ecs)51     explicit RenderMeshBatchComponentManager(IEcs& ecs)
52         : BaseManager<RenderMeshBatchComponent, IRenderMeshBatchComponentManager>(
53               ecs, CORE_NS::GetName<RenderMeshBatchComponent>())
54     {}
55 
56     ~RenderMeshBatchComponentManager() = default;
57 
PropertyCount() const58     size_t PropertyCount() const override
59     {
60         return componentMetaData_.size();
61     }
62 
MetaData(size_t index) const63     const Property* MetaData(size_t index) const override
64     {
65         if (index < componentMetaData_.size()) {
66             return &componentMetaData_[index];
67         }
68         return nullptr;
69     }
70 
MetaData() const71     array_view<const Property> MetaData() const override
72     {
73         return componentMetaData_;
74     }
75 };
76 
IRenderMeshBatchComponentManagerInstance(IEcs & ecs)77 IComponentManager* IRenderMeshBatchComponentManagerInstance(IEcs& ecs)
78 {
79     return new RenderMeshBatchComponentManager(ecs);
80 }
81 
IRenderMeshBatchComponentManagerDestroy(IComponentManager * instance)82 void IRenderMeshBatchComponentManagerDestroy(IComponentManager* instance)
83 {
84     delete static_cast<RenderMeshBatchComponentManager*>(instance);
85 }
86 CORE3D_END_NAMESPACE()
87