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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_COMPONENT_CAMERA_COMPONENT_H
17 #define SCENE_SRC_COMPONENT_CAMERA_COMPONENT_H
18 
19 #include <scene/ext/component_fwd.h>
20 #include <scene/ext/intf_internal_camera.h>
21 #include <scene/interface/intf_camera.h>
22 #include <scene/interface/intf_raycast.h>
23 #include <shared_mutex>
24 
25 #include <meta/api/event_handler.h>
26 #include <meta/ext/object.h>
27 
28 SCENE_BEGIN_NAMESPACE()
29 
30 META_REGISTER_CLASS(CameraComponent, "db677290-7776-419d-8883-f1c6387740b1", META_NS::ObjectCategoryBits::NO_CATEGORY)
31 
32 class CameraComponent : public META_NS::IntroduceInterfaces<ComponentFwd, ICamera, IInternalCamera, ICameraRayCast> {
33     META_OBJECT(CameraComponent, ClassId::CameraComponent, IntroduceInterfaces)
34 
35 public:
36     META_BEGIN_STATIC_DATA()
37     SCENE_STATIC_PROPERTY_DATA(ICamera, float, FoV, "CameraComponent.yFov")
38     SCENE_STATIC_PROPERTY_DATA(ICamera, float, AspectRatio, "CameraComponent.aspect")
39     SCENE_STATIC_PROPERTY_DATA(ICamera, float, NearPlane, "CameraComponent.zNear")
40     SCENE_STATIC_PROPERTY_DATA(ICamera, float, FarPlane, "CameraComponent.zFar")
41     SCENE_STATIC_PROPERTY_DATA(ICamera, float, XMagnification, "CameraComponent.xMag")
42     SCENE_STATIC_PROPERTY_DATA(ICamera, float, YMagnification, "CameraComponent.yMag")
43     SCENE_STATIC_PROPERTY_DATA(ICamera, float, XOffset, "CameraComponent.xOffset")
44     SCENE_STATIC_PROPERTY_DATA(ICamera, float, YOffset, "CameraComponent.yOffset")
45     SCENE_STATIC_PROPERTY_DATA(ICamera, CameraProjection, Projection, "CameraComponent.projection")
46     SCENE_STATIC_PROPERTY_DATA(ICamera, CameraCulling, Culling, "CameraComponent.culling")
47     SCENE_STATIC_PROPERTY_DATA(ICamera, CameraPipeline, RenderingPipeline, "CameraComponent.renderingPipeline")
48     SCENE_STATIC_PROPERTY_DATA(ICamera, uint32_t, SceneFlags, "CameraComponent.sceneFlags")
49     SCENE_STATIC_PROPERTY_DATA(ICamera, uint32_t, PipelineFlags, "CameraComponent.pipelineFlags")
50     SCENE_STATIC_PROPERTY_DATA(ICamera, BASE_NS::Math::Vec4, Viewport, "CameraComponent.viewport")
51     SCENE_STATIC_PROPERTY_DATA(ICamera, BASE_NS::Math::Vec4, Scissor, "CameraComponent.scissor")
52     SCENE_STATIC_PROPERTY_DATA(ICamera, BASE_NS::Math::UVec2, RenderTargetSize, "CameraComponent.renderResolution")
53     SCENE_STATIC_PROPERTY_DATA(ICamera, BASE_NS::Color, ClearColor, "CameraComponent.clearColorValue")
54     SCENE_STATIC_PROPERTY_DATA(ICamera, float, ClearDepth, "CameraComponent.clearDepthValue")
55     SCENE_STATIC_PROPERTY_DATA(ICamera, uint64_t, LayerMask, "CameraComponent.layerMask")
56     SCENE_STATIC_PROPERTY_DATA(
57         ICamera, BASE_NS::Math::Mat4X4, CustomProjectionMatrix, "CameraComponent.customProjectionMatrix")
58 
59     SCENE_STATIC_DYNINIT_PROPERTY_DATA(ICamera, IPostProcess::Ptr, PostProcess, "CameraComponent.postProcess")
60     SCENE_STATIC_DYNINIT_ARRAY_PROPERTY_DATA(
61         ICamera, ColorFormat, ColorTargetCustomization, "CameraComponent.colorTargetCustomization")
62     META_END_STATIC_DATA()
63 
64     META_IMPLEMENT_PROPERTY(float, FoV)
65     META_IMPLEMENT_PROPERTY(float, AspectRatio)
66     META_IMPLEMENT_PROPERTY(float, NearPlane)
67     META_IMPLEMENT_PROPERTY(float, FarPlane)
68     META_IMPLEMENT_PROPERTY(float, XMagnification)
69     META_IMPLEMENT_PROPERTY(float, YMagnification)
70     META_IMPLEMENT_PROPERTY(float, XOffset)
71     META_IMPLEMENT_PROPERTY(float, YOffset)
72     META_IMPLEMENT_PROPERTY(CameraProjection, Projection)
73     META_IMPLEMENT_PROPERTY(CameraCulling, Culling)
74     META_IMPLEMENT_PROPERTY(CameraPipeline, RenderingPipeline)
75     META_IMPLEMENT_PROPERTY(uint32_t, SceneFlags)
76     META_IMPLEMENT_PROPERTY(uint32_t, PipelineFlags)
77     META_IMPLEMENT_PROPERTY(BASE_NS::Math::Vec4, Viewport)
78     META_IMPLEMENT_PROPERTY(BASE_NS::Math::Vec4, Scissor)
79     META_IMPLEMENT_PROPERTY(BASE_NS::Math::UVec2, RenderTargetSize)
80     META_IMPLEMENT_PROPERTY(BASE_NS::Color, ClearColor)
81     META_IMPLEMENT_PROPERTY(float, ClearDepth)
82     META_IMPLEMENT_PROPERTY(uint64_t, LayerMask)
83     META_IMPLEMENT_PROPERTY(BASE_NS::Math::Mat4X4, CustomProjectionMatrix)
84 
85     META_IMPLEMENT_PROPERTY(IPostProcess::Ptr, PostProcess)
86     META_IMPLEMENT_PROPERTY(ColorFormat, ColorTargetCustomization)
87 
88     bool InitDynamicProperty(const META_NS::IProperty::Ptr& p, BASE_NS::string_view path) override;
89 
90     Future<bool> SetActive(bool active = true) override;
91     Future<bool> SetRenderTarget(const IRenderTarget::Ptr&) override;
92 
93     bool IsActive() const override;
94 
95     void NotifyRenderTargetChanged() override;
96 public:
97     Future<NodeHits> CastRay(const BASE_NS::Math::Vec2& pos, const RayCastOptions& options) const override;
98     Future<BASE_NS::Math::Vec3> ScreenPositionToWorld(const BASE_NS::Math::Vec3& pos) const override;
99     Future<BASE_NS::Math::Vec3> WorldPositionToScreen(const BASE_NS::Math::Vec3& pos) const override;
100 public:
101     bool Build(const META_NS::IMetadata::Ptr&) override;
102     BASE_NS::string GetName() const override;
103 
104 private:
105     META_NS::EventHandler bitmapHandler_;
106     IRenderTarget::Ptr renderTarget_;
107 };
108 
109 SCENE_END_NAMESPACE()
110 
111 #endif