SOL9 Sample: Direct3DX10TorusRotationByKeyAndMouse

SOL9 2.0 Samples

1 Screenshot


2 Source code

/*
 * Direct3DX10TorusRotationByKeyAndMouse.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// 2015/12/03
// 2017/01/19 Updated display to call setShaderMatrices.
// 2017/01/28 Updated to use ModuleFileName class and caught macro.

#pragma warning(disable : 4005) 
#pragma warning(disable : 4838) 

#define COMMONCONTROLS_V6
#include <windowsx.h>

#include <sol/direct3d10/DirectX3D10MainView.h>
#include <sol/direct3d10/DirectX3D10View.h>

#include <sol/direct3d10/Direct3D10RenderTargetView.h>
#include <sol/direct3d10/Direct3D10DepthStencilView.h>

#include <sol/direct3d10/Direct3D10Texture2D.h>
#include <sol/direct3d10/Direct3DX10Font.h>
#include <sol/direct3d10/D3D10Texture2DDesc.h>
#include <sol/direct3d10/D3D10DepthStencilViewDesc.h>
#include <sol/direct3d10/Direct3DX10Mesh.h>
#include <sol/direct3d10/Direct3DX10Torus.h>

#include <sol/direct3d10/D3DXVertex.h>
#include <sol/direct3d10/Direct3D10EffectModel.h>
#include <sol/direct3d10/Direct3D10EffectTechnique.h>
#include <sol/direct3d10/Direct3D10EffectPass.h>

#include <sol/direct3d10/Direct3D10EffectMatrixVariable.h>
#include <sol/direct3d10/Direct3D10RasterizerState.h>

#include <sol/direct3d10/Direct3D10InputLayout.h>

#include "resource.h"

namespace SOL {
  
class MainView :public DirectX3D10MainView {
  
private:
  //////////////////////////////////////////////
  //Inner class starts
  class SimpleView : public DirectX3D10View {
  private: 
    SmartPtr<Direct3D10RenderTargetView>  renderTargetView;
    SmartPtr<Direct3D10DepthStencilView>  depthStencilView;
    SmartPtr<Direct3D10RasterizerState>   rasterizerState;
    SmartPtr<Direct3D10EffectModel>       model;
    SmartPtr<Direct3DX10Torus>            torus;
    SmartPtr<Direct3D10InputLayout>       inputLayout;
   
    D3DXMATRIX          worldMatrix;
    D3DXMATRIX          viewMatrix;
    D3DXMATRIX          projectionMatrix;

    StringT<TCHAR>      directory;
    float               angle;
    bool                capturing;
    int                 mx;
    int                 my;
    
  public:
    void deleteViews()
    {
      Direct3D10Device* d3d10device = getD3D10Device();
      d3d10device ->setOMRenderTargets(0, NULL, NULL);
      renderTargetView = NULL;
      depthStencilView = NULL;
    }

    virtual void createViews()
    {
      int width  = 0;
      int height = 0;
     
      validateClientSize(width, height);

      try {
        Direct3D10Device*   d3d10Device  = getD3D10Device();
        DirectXGISwapChain* swapChain = getSwapChain();

        d3d10Device ->setOMRenderTargets(0, NULL, NULL);

        //1 Create an instance of Direct3D10RenderTargetView
        Direct3D10Texture2D renderTargetViewTexture(*swapChain);

        renderTargetView = new Direct3D10RenderTargetView(*d3d10Device, renderTargetViewTexture, NULL);

        //2 Create a temporary depthDesc(D3D10Texture2DDesc).
        D3D10Texture2DDesc depthDesc;
        depthDesc.width(width);
        depthDesc.height(height);
        depthDesc.mipLevels(1);
        depthDesc.arraySize(1);
        depthDesc.format(DXGI_FORMAT_D32_FLOAT);
        depthDesc.sampleDescCount(1);
        depthDesc.sampleDescQuality(0);
        depthDesc.usage(D3D10_USAGE_DEFAULT);
        depthDesc.bindFlags(D3D10_BIND_DEPTH_STENCIL);

        //3 Create a temporary depthStencilTexture(Direct3D10Texture2D) from texture2DDesc.
        Direct3D10Texture2D depthStencilTexture(*d3d10Device, depthDesc); 

        //4 Create a temporary depthStencilViewDesc(D3D10DepthStencilViewDesc) 
        D3D10DepthStencilViewDesc depthStencilViewDesc(DXGI_FORMAT_D32_FLOAT, D3D10_DSV_DIMENSION_TEXTURE2D);

        //5 Create an instance of Direct3DDepthStencilView from depthStencilTexture and depthStencilViewDesc
        depthStencilView = new Direct3D10DepthStencilView(*d3d10Device, depthStencilTexture, depthStencilViewDesc);

        ID3D10RenderTargetView* targetView   = *renderTargetView; 
        //6 Set renderTargetView and depthStencilView to id3d10Device
        d3d10Device ->setOMRenderTargets(1, &targetView, *depthStencilView);
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void createEffect()
    {
      try {
        Direct3D10Device* d3d10Device = getD3D10Device();
        TCHAR fullpath[MAX_PATH];
        _stprintf_s(fullpath, CountOf(fullpath), _T("%s\\..\\fx\\%s"), (const TCHAR*)directory, _T("basicEffect.fx"));
        Args args;
        args.set(XmNtechnique, "render");
        args.set(XmNview,      "View");
        args.set(XmNworld,     "World");
        args.set(XmNprojection,"Projection");
        
        model = new Direct3D10EffectModel(*d3d10Device,  
                  fullpath, 
                  args);

      } catch (Exception& ex) {
        caught(ex);
      }
    }


    const D3D10_INPUT_ELEMENT_DESC* getInputElementDesc(size_t& count)
    {
      static const D3D10_INPUT_ELEMENT_DESC desc[] = {  
        { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT,    0,  0, D3D10_INPUT_PER_VERTEX_DATA, 0 },
        { "COLOR",    0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, sizeof(D3DXVECTOR3), D3D10_INPUT_PER_VERTEX_DATA, 0 }  
      };
      count = CountOf(desc);
      return desc;
    }
    
    void createInputLayout()
    {
      try {
        Direct3D10Device* d3d10Device = getD3D10Device();
          Direct3D10EffectTechnique* technique = model -> getTechnique();

        Direct3D10EffectPass effectPass =  technique->getPassByIndex(0);

        D3D10_PASS_DESC passDesc;
        effectPass.getDesc(passDesc);
        size_t count = 0;
        const D3D10_INPUT_ELEMENT_DESC* inputElementDesc = getInputElementDesc(count);

        inputLayout = new Direct3D10InputLayout(
              *d3d10Device, 
              inputElementDesc, 
              count, 
              passDesc.pIAInputSignature,
              passDesc.IAInputSignatureSize);

        d3d10Device->setIAInputLayout(*inputLayout);

      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void createMesh()
    {
      
      try {
        Direct3D10Device* d3d10Device = getD3D10Device();

        float fInnerRadius = 0.2f;
        float fOuterRadius = 0.6f;
        UINT uSides  = 30;
        UINT uRings  = 30; 
        torus = new Direct3DX10Torus(*d3d10Device, 
                    fInnerRadius, fOuterRadius, uSides,
                                uRings);

      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void createRasterizerState()
    {
      try {
        Direct3D10Device* d3d10Device = getD3D10Device();
        D3D10_RASTERIZER_DESC desc;
        memset(&desc, 0, sizeof(desc));
        desc.CullMode               = D3D10_CULL_NONE;
        desc.FillMode               = D3D10_FILL_SOLID;
        desc.FrontCounterClockwise  = true;
        desc.DepthBias              = false;
        desc.DepthBiasClamp         = 0;
        desc.SlopeScaledDepthBias   = 0;
        desc.DepthClipEnable        = true;
        desc.ScissorEnable          = false;
        desc.MultisampleEnable      = false;
        desc.AntialiasedLineEnable  = true;

        rasterizerState = new Direct3D10RasterizerState (*d3d10Device, &desc);

        d3d10Device->setRSState(*rasterizerState);

      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void setShaderMatrices()
    {
      int width = 0;
      int height = 0;
      getClientSize(width, height);

      try {
        D3DXVECTOR3 eye( 0.0f, 1.0f,-6.0f );
        D3DXVECTOR3 at ( 0.0f, 0.0f, 0.0f );
        D3DXVECTOR3 up ( 0.0f, 1.0f, 0.0f );
        
        D3DXMatrixLookAtLH(&viewMatrix,  &eye, &at, &up);    
        D3DXMatrixPerspectiveFovLH(&projectionMatrix, 
                  (float)D3DX_PI * 0.2f, (float)width/(float)height, 0.1f, 100.0f);

        model -> setView(viewMatrix);
        model -> setProjection(projectionMatrix);

      } catch (Exception& ex) {
        caught(ex);
      }
    }

    virtual void initialize()
    {
      try {
        createEffect();

        createInputLayout();
        
        createRasterizerState();  

        setShaderMatrices();

        createMesh();

        // Create rendarTargetView and depthStencilView.
        createViews();
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    virtual void display()
    {
      try {
        Direct3D10Device*  d3d10Device = getD3D10Device();
        DirectXGISwapChain* swapChain = getSwapChain();
        if (swapChain == NULL) {
          return;
        }
        if (renderTargetView && depthStencilView) {
          renderTargetView -> clear(D3DXCOLOR(0.0, 0.0, 0.0, 0.0));
          depthStencilView -> clear();
          //2017/01/19
          setShaderMatrices();
          D3DXVECTOR3 origin(0, 0, 0);
 
          D3DXMATRIX temp;
          D3DXMatrixRotationY(&worldMatrix, angle);
 
          D3DXMatrixTranslation( &temp, origin.x, 0, origin.z);
          worldMatrix *= temp;
          model -> setWorld(worldMatrix);
          Direct3D10EffectTechnique* technique = model -> getTechnique();
          
          torus -> draw(*technique);
 
        }
        swapChain -> present();

      } catch (Exception& ex) {
        caught(ex);
      }
    }
    
    void incrementAngle()
    {
      angle += 0.1f;
      display();
    }
    
    void decrementAngle()
    {
      angle -= 0.1f;
      display();
    }
    
    virtual void leftButtonDown(Event& event)
    {
      capture(); 
      capturing = true;
    }
  
    virtual void mouseMove(Event& event)
    {
      if (capturing) {
        LPARAM lParam = event.getLParam();
        int prevx = mx;
        mx = GET_X_LPARAM(lParam); 
        my = GET_Y_LPARAM(lParam);
    
        if (mx >= prevx) {
          decrementAngle();
        } else {
          incrementAngle();
        }
      }
    }
  
    virtual void leftButtonUp(Event& event)
    {
      releaseCapture();
      capturing = false;
    }
    
  public:
    // Constructor
    SimpleView(DirectX3D10MainView* parent, const TCHAR* name, Args& args)
   :DirectX3D10View(parent, name, args ),
    directory(_T("")),
    angle(0.0f),
    capturing(false),
    mx(0),
    my(0)
    {
      directory = (const TCHAR*)args.get(XmNapplicationDirectory);
      D3DXMatrixIdentity(&worldMatrix);
      D3DXMatrixIdentity(&projectionMatrix);
      D3DXMatrixIdentity(&viewMatrix);
    }

    ~SimpleView()
    {
    }
    
  private:
    void resize(int width, int height)
    {
      Direct3D10Device*   device = getD3D10Device();
      DirectXGISwapChain* swapChain = getSwapChain();
      if (device           == NULL && 
          swapChain        == NULL && 
          renderTargetView == NULL &&
          depthStencilView == NULL) {
        return ;
      }
    
      try {
        // 1 Delete existing rendarTargetView and depthStencilView.
        deleteViews();

        // 2 ResizeBuffers swapChain(IDXGISwapChain)
        swapChain -> resizeBuffers(width, height); 
     
        // 3 Recreate rendarTargetView and depthStencilView.
        createViews();
      
        // 4 SetViewPort
        setViewPort(width, height);

      } catch (Exception& ex) {
        caught(ex);
      }
    }  
  };
  //////////////////////////////////////////////
  // Inner class ends.
  
private:
  SmartPtr<SimpleView> view;

public:
  // Constructor
  MainView(Application& applet, const TCHAR* name, Args& args)
  :DirectX3D10MainView(applet, name,
                 args.set(XmNstyle, (ulong)WS_CLIPCHILDREN|WS_CLIPSIBLINGS) )
  {
    const TCHAR* directory = (const TCHAR*)args.get(XmNapplicationDirectory);
    // 1 Create a view of SimpleView.
    Args ar;
    int width  = 0;
    int height = 0;
    getClientSize(width, height);

    ar.set(XmNwidth, width);
    ar.set(XmNheight,height);
    ar.set(XmNapplicationDirectory, directory);
    ar.set(XmNstyle, WS_BORDER|WS_CHILD|WS_VISIBLE);
    view = new SimpleView(this, _T(""), ar);

    // 2 Post a resize request to this MainView.
    postResizeRequest();
  }
  
public:
  ~MainView()
  {
  }

  virtual void keyDown(Event& event)
  {
      WPARAM wparam = event.getWParam();
      switch(wparam) {
      case VK_LEFT:
        view -> incrementAngle();
        break;
        
      case VK_RIGHT:
        view -> decrementAngle();
        break;
      }  
  }
  
private:
  void resize(int width, int height)
  {
    if (view != nullptr) {
      view -> reshape(0, 0, width, height);
      view -> postResizeRequest(width, height);
    }
  }
};
  
}

//////////////////////////////////////////////
//
void  Main(int argc, TCHAR** argv)
{
  ModuleFileName module(argv[0]);
  const TCHAR* directory = module.getDirectory();
  const TCHAR* appClass =  module.getAppName(); 
  
  try {
    Application applet(appClass, argc, argv);

    Args args;
    args.set(XmNapplicationDirectory, directory);
    args.set(XmNwidth,  640);
    args.set(XmNheight, 480);
    MainView mainv(applet, appClass, args);
    
    mainv.realize();

    applet.run();
  } catch (Exception& ex) {
    caught(ex);
  }
}


Last modified: 1 Feb 2017

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