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 #ifndef SCENE_SRC_ENTITY_CONVERTING_VALUE_H 17 #define SCENE_SRC_ENTITY_CONVERTING_VALUE_H 18 19 #include <scene/ext/intf_ecs_context.h> 20 #include <scene/ext/intf_render_resource.h> 21 22 #include <3d/ecs/components/render_handle_component.h> 23 24 #include "converting_value.h" 25 #include "util.h" 26 27 SCENE_BEGIN_NAMESPACE() 28 29 // Interface pointer to entity converter 30 template<typename Interface> 31 struct InterfacePtrEntityConverter { 32 using SourceType = typename Interface::Ptr; 33 using TargetType = CORE_NS::Entity; 34 InterfacePtrEntityConverterInterfacePtrEntityConverter35 InterfacePtrEntityConverter(IInternalScene::Ptr scene, META_NS::ObjectId id) : scene_(scene), id_(id) {} 36 ConvertToSourceInterfacePtrEntityConverter37 SourceType ConvertToSource(META_NS::IAny& any, const TargetType& v) const 38 { 39 auto p = META_NS::GetPointer<Interface>(any); 40 if (auto scene = scene_.lock()) { 41 if (CORE_NS::EntityUtil::IsValid(v)) { 42 auto f = scene->AddTask([&] { return scene->GetEcsContext().GetEcsObject(v); }); 43 auto obj = f.GetResult(); 44 if (p) { 45 if (auto i = interface_cast<IEcsObjectAccess>(p)) { 46 if (i->GetEcsObject() != obj) { 47 p = nullptr; 48 } 49 } 50 } 51 if (!p) { 52 p = META_NS::GetObjectRegistry().Create<Interface>(id_); 53 if (auto i = interface_cast<IEcsObjectAccess>(p)) { 54 i->SetEcsObject(obj); 55 } 56 } 57 } else { 58 p = nullptr; 59 } 60 } 61 return p; 62 } ConvertToTargetInterfacePtrEntityConverter63 TargetType ConvertToTarget(const SourceType& v) const 64 { 65 CORE_NS::Entity ent; 66 if (auto scene = scene_.lock()) { 67 if (v) { 68 if (auto i = interface_cast<IEcsObjectAccess>(v)) { 69 ent = i->GetEcsObject()->GetEntity(); 70 } 71 } 72 } 73 return ent; 74 } 75 76 IInternalScene::WeakPtr scene_; 77 META_NS::ObjectId id_; 78 }; 79 80 template<typename Interface> 81 using InterfacePtrEntityValue = ConvertingValue<InterfacePtrEntityConverter<Interface>>; 82 83 // render resource to entity converter 84 template<typename Interface> 85 struct RenderResourceConverter { 86 using SourceType = typename Interface::Ptr; 87 using TargetType = CORE_NS::EntityReference; 88 RenderResourceConverterRenderResourceConverter89 RenderResourceConverter(IInternalScene::Ptr scene, META_NS::ObjectId id) : scene_(scene), id_(id) {} 90 ConvertToSourceRenderResourceConverter91 SourceType ConvertToSource(META_NS::IAny& any, const TargetType& v) const 92 { 93 auto p = META_NS::GetPointer<Interface>(any); 94 if (auto scene = scene_.lock()) { 95 if (v) { 96 p = scene->AddTask([&] { return ObjectWithRenderHandle<Interface>(scene, v, p, id_); }).GetResult(); 97 } else { 98 p = nullptr; 99 } 100 } 101 return p; 102 } 103 ConvertToTargetRenderResourceConverter104 TargetType ConvertToTarget(const SourceType& v) const 105 { 106 CORE_NS::EntityReference ent; 107 if (auto scene = scene_.lock()) { 108 ent = scene->AddTask([&] { return HandleFromRenderResource<Interface>(scene, v); }).GetResult(); 109 } 110 return ent; 111 } 112 113 IInternalScene::WeakPtr scene_; 114 META_NS::ObjectId id_; 115 }; 116 117 template<typename Interface> 118 using RenderResourceValue = ConvertingValue<RenderResourceConverter<Interface>>; 119 120 SCENE_END_NAMESPACE() 121 122 #endif 123