mirror of
https://github.com/ncblakely/GiantsTools
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222 lines
8.1 KiB
C
222 lines
8.1 KiB
C
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//--------------------------------------------------------------------------------------
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// File: Model.h
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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//
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// http://go.microsoft.com/fwlink/?LinkId=248929
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//--------------------------------------------------------------------------------------
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#pragma once
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#if defined(_XBOX_ONE) && defined(_TITLE)
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#include <d3d11_x.h>
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#else
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#include <d3d11_1.h>
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#include <dxgiformat.h>
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#endif
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#include <DirectXMath.h>
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#include <DirectXCollision.h>
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#include <cstdint>
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#include <memory>
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#include <functional>
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#include <set>
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#include <string>
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#include <vector>
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#include <wrl\client.h>
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namespace DirectX
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{
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class IEffect;
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class IEffectFactory;
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class CommonStates;
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class ModelMesh;
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//----------------------------------------------------------------------------------
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// Model loading options
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enum ModelLoaderFlags : uint32_t
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{
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ModelLoader_Clockwise = 0x0,
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ModelLoader_CounterClockwise = 0x1,
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ModelLoader_PremultipledAlpha = 0x2,
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ModelLoader_MaterialColorsSRGB = 0x4,
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ModelLoader_AllowLargeModels = 0x8,
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};
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//----------------------------------------------------------------------------------
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// Each mesh part is a submesh with a single effect
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class ModelMeshPart
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{
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public:
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ModelMeshPart() noexcept;
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ModelMeshPart(ModelMeshPart&&) = default;
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ModelMeshPart& operator= (ModelMeshPart&&) = default;
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ModelMeshPart(ModelMeshPart const&) = default;
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ModelMeshPart& operator= (ModelMeshPart const&) = default;
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virtual ~ModelMeshPart();
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uint32_t indexCount;
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uint32_t startIndex;
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int32_t vertexOffset;
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uint32_t vertexStride;
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D3D_PRIMITIVE_TOPOLOGY primitiveType;
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DXGI_FORMAT indexFormat;
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Microsoft::WRL::ComPtr<ID3D11InputLayout> inputLayout;
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Microsoft::WRL::ComPtr<ID3D11Buffer> indexBuffer;
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Microsoft::WRL::ComPtr<ID3D11Buffer> vertexBuffer;
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std::shared_ptr<IEffect> effect;
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std::shared_ptr<std::vector<D3D11_INPUT_ELEMENT_DESC>> vbDecl;
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bool isAlpha;
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using Collection = std::vector<std::unique_ptr<ModelMeshPart>>;
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// Draw mesh part with custom effect
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void __cdecl Draw(
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_In_ ID3D11DeviceContext* deviceContext,
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_In_ IEffect* ieffect,
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_In_ ID3D11InputLayout* iinputLayout,
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_In_opt_ std::function<void __cdecl()> setCustomState = nullptr) const;
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void __cdecl DrawInstanced(
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_In_ ID3D11DeviceContext* deviceContext,
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_In_ IEffect* ieffect,
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_In_ ID3D11InputLayout* iinputLayout,
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uint32_t instanceCount,
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uint32_t startInstanceLocation = 0,
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_In_opt_ std::function<void __cdecl()> setCustomState = nullptr) const;
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// Create input layout for drawing with a custom effect.
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void __cdecl CreateInputLayout(_In_ ID3D11Device* device, _In_ IEffect* ieffect, _Outptr_ ID3D11InputLayout** iinputLayout) const;
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// Change effect used by part and regenerate input layout (be sure to call Model::Modified as well)
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void __cdecl ModifyEffect(_In_ ID3D11Device* device, _In_ std::shared_ptr<IEffect>& ieffect, bool isalpha = false);
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};
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//----------------------------------------------------------------------------------
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// A mesh consists of one or more model mesh parts
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class ModelMesh
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{
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public:
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ModelMesh() noexcept;
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ModelMesh(ModelMesh&&) = default;
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ModelMesh& operator= (ModelMesh&&) = default;
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ModelMesh(ModelMesh const&) = default;
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ModelMesh& operator= (ModelMesh const&) = default;
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virtual ~ModelMesh();
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BoundingSphere boundingSphere;
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BoundingBox boundingBox;
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ModelMeshPart::Collection meshParts;
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std::wstring name;
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bool ccw;
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bool pmalpha;
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using Collection = std::vector<std::shared_ptr<ModelMesh>>;
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// Setup states for drawing mesh
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void __cdecl PrepareForRendering(_In_ ID3D11DeviceContext* deviceContext, const CommonStates& states, bool alpha = false, bool wireframe = false) const;
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// Draw the mesh
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void XM_CALLCONV Draw(
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_In_ ID3D11DeviceContext* deviceContext,
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FXMMATRIX world, CXMMATRIX view, CXMMATRIX projection,
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bool alpha = false,
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_In_opt_ std::function<void __cdecl()> setCustomState = nullptr) const;
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};
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//----------------------------------------------------------------------------------
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// A model consists of one or more meshes
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class Model
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{
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public:
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Model() = default;
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Model(Model&&) = default;
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Model& operator= (Model&&) = default;
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Model(Model const&) = default;
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Model& operator= (Model const&) = default;
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virtual ~Model();
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ModelMesh::Collection meshes;
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std::wstring name;
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// Draw all the meshes in the model
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void XM_CALLCONV Draw(
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_In_ ID3D11DeviceContext* deviceContext,
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const CommonStates& states,
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FXMMATRIX world, CXMMATRIX view, CXMMATRIX projection,
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bool wireframe = false,
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_In_opt_ std::function<void __cdecl()> setCustomState = nullptr) const;
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// Notify model that effects, parts list, or mesh list has changed
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void __cdecl Modified() noexcept { mEffectCache.clear(); }
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// Update all effects used by the model
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void __cdecl UpdateEffects(_In_ std::function<void __cdecl(IEffect*)> setEffect);
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// Loads a model from a Visual Studio Starter Kit .CMO file
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static std::unique_ptr<Model> __cdecl CreateFromCMO(
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_In_ ID3D11Device* device,
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_In_reads_bytes_(dataSize) const uint8_t* meshData, size_t dataSize,
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_In_ IEffectFactory& fxFactory,
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ModelLoaderFlags flags = ModelLoader_CounterClockwise);
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static std::unique_ptr<Model> __cdecl CreateFromCMO(
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_In_ ID3D11Device* device,
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_In_z_ const wchar_t* szFileName,
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_In_ IEffectFactory& fxFactory,
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ModelLoaderFlags flags = ModelLoader_CounterClockwise);
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// Loads a model from a DirectX SDK .SDKMESH file
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static std::unique_ptr<Model> __cdecl CreateFromSDKMESH(
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_In_ ID3D11Device* device,
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_In_reads_bytes_(dataSize) const uint8_t* meshData, _In_ size_t dataSize,
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_In_ IEffectFactory& fxFactory,
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ModelLoaderFlags flags = ModelLoader_Clockwise);
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static std::unique_ptr<Model> __cdecl CreateFromSDKMESH(
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_In_ ID3D11Device* device,
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_In_z_ const wchar_t* szFileName,
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_In_ IEffectFactory& fxFactory,
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ModelLoaderFlags flags = ModelLoader_Clockwise);
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// Loads a model from a .VBO file
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static std::unique_ptr<Model> __cdecl CreateFromVBO(
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_In_ ID3D11Device* device,
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_In_reads_bytes_(dataSize) const uint8_t* meshData, _In_ size_t dataSize,
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_In_opt_ std::shared_ptr<IEffect> ieffect = nullptr,
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ModelLoaderFlags flags = ModelLoader_Clockwise);
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static std::unique_ptr<Model> __cdecl CreateFromVBO(
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_In_ ID3D11Device* device,
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_In_z_ const wchar_t* szFileName,
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_In_opt_ std::shared_ptr<IEffect> ieffect = nullptr,
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ModelLoaderFlags flags = ModelLoader_Clockwise);
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private:
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std::set<IEffect*> mEffectCache;
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};
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#ifdef __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-dynamic-exception-spec"
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#endif
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DEFINE_ENUM_FLAG_OPERATORS(ModelLoaderFlags);
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#ifdef __clang__
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#pragma clang diagnostic pop
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#endif
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}
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