示例#1
0
//------------------------------------------------------------------------
// Build the mesh renderable object.
//------------------------------------------------------------------------
HRESULT etVegetationObject::BuildMeshRenderable(void)
{
    std::string sMatName;

    // Get the pointer to the resouceManager.
    FlyResourceManager* pResMgr = etCoreManager::Instance().GetResourceManager();

    // 1. Create the render materials.
    for( UINT i=0;i<m_pMesh->GetNumMaterials();i++ )
    {
        char cTemp[20];
        FlyRenderMaterial* pMaterial;

        sprintf( cTemp,"_%d",i );
        sMatName = "vegetation_" + m_sName + cTemp;
        pMaterial = pResMgr->CreateMaterial( sMatName.c_str() );
        if( !pMaterial ) return FLY_OUTOFMEMORY;

        FlyRenderEffect* pEffect = etCoreManager::Instance().GetVegetationFX();
        pMaterial->AddNewTechnique( pEffect->GetTechniqueByIndex(1) );
        pMaterial->SetActiveTechnique( 0 );

        FlyRenderEffectInstance* pInstance = pMaterial->GetActiveRenderEffectInstance();
        *pInstance->GetParameterByIndex(2) = m_pMesh->GetMaterial(i)->pTexture;

        m_Materials.push_back( pMaterial );
    }

    // 2. Create the renderable objects.
    for( i=0;i<m_pMesh->GetNumSubMeshes();i++ )
    {
        FlySubMesh* pSubMesh = m_pMesh->GetSubMesh( i );

        // Create a new renderable.
        etVegetationRenderable* pObject = new etVegetationRenderable( this );
        if( !pObject ) return FLY_OUTOFMEMORY;

        pObject->m_nNumVerts = pSubMesh->GetNumVerts();
        pObject->m_nNumIndis = pSubMesh->GetNumIndis();
        pObject->m_nNumPrims = pSubMesh->GetNumPrims();

        pObject->m_pVB = pSubMesh->GetVertexBuffer();
        pObject->m_pIB = pSubMesh->GetIndexBuffer();

        pObject->SetRenderMaterial( m_Materials[pSubMesh->GetRenderMaterial()] );
        pObject->m_BBox = pSubMesh->GetBoundingBox();

        // Add the new object to list.
        m_Renderables.push_back( pObject );
    }

    // Set the local boundingBox.
    m_Bounds = m_pMesh->GetBoundingBox();

    return FLY_OK;
}
示例#2
0
//------------------------------------------------------------------------
// Initialize the terrain tile.
// ----------------------------------------------------------------------
// Param -> IN:
//      int,int:        Position where we start to read the height data.
//      const float*:   Pointer to the height data.
//------------------------------------------------------------------------
HRESULT etTile::Initialize( int startx,int startz,const float* pHeightData )
{
    m_nStartX = startx;
    m_nStartZ = startz;

    // Get the resourceManager.
    FlyResourceManager* pResMgr = etCoreManager::Instance().GetResourceManager();

    // Create the shared vertex buffer.
    UINT nTileSize = m_pLevel->GetTileSize();
    m_pVB = pResMgr->MakeVertexBuffer( (nTileSize+1)*(nTileSize+1)*sizeof(VERTEX2T),
        BU_WRITEONLY,MM_MANAGED );
    if( !m_pVB ) return FLY_CREATEBUFFER;

    float fMinHeight = 0.0f;
    float fMaxHeight = 0.0f;

    int endx = startx + nTileSize + 1;
    int endz = startz + nTileSize + 1;
    VERTEX2T* pVerts = (VERTEX2T*)m_pVB->Lock( 0,(nTileSize+1)*(nTileSize+1)*sizeof(VERTEX2T),LOCK_NORMAL );

    for( int j=startz;j<endz;j++ )
    {
        for( int i=startx;i<endx;i++ )
        {
            float fHeight = pHeightData[j*(m_pLevel->GetTerrainSize()+1)+i];
            fHeight *= m_pLevel->GetHeightScale();

            pVerts->x = (float)i * m_pLevel->GetLengthPerUnit();
            pVerts->y = fHeight;
            pVerts->z = (float)j * m_pLevel->GetLengthPerUnit();
            pVerts->vN[0] = 0.0f;
            pVerts->vN[1] = 1.0f;
            pVerts->vN[2] = 0.0f;
            pVerts->tu0 = ((float)i / (float)nTileSize);
            pVerts->tv0 = ((float)j / (float)nTileSize);
            pVerts->tu1 = ((float)i / (float)m_pLevel->GetTerrainSize());
            pVerts->tv1 = ((float)j / (float)m_pLevel->GetTerrainSize());
            pVerts++;

            if( fHeight < fMinHeight ) fMinHeight = fHeight;
            if( fHeight > fMaxHeight ) fMaxHeight = fHeight;
        }
    }

    m_pVB->Unlock();

    // Set the boundingBox.
    m_Bounds.vcMin.x = (float)startx * m_pLevel->GetLengthPerUnit();
    m_Bounds.vcMin.y = fMinHeight - 1.0f;
    m_Bounds.vcMin.z = (float)startz * m_pLevel->GetLengthPerUnit();
    m_Bounds.vcMax.x = (float)(endx-1) * m_pLevel->GetLengthPerUnit();
    m_Bounds.vcMax.y = fMaxHeight + 1.0f;
    m_Bounds.vcMax.z = (float)(endz-1) * m_pLevel->GetLengthPerUnit();

    // Set the boundingRect.
    m_BRect.SetMinPoint( m_Bounds.vcMin.x,m_Bounds.vcMin.z );
    m_BRect.SetMaxPoint( m_Bounds.vcMax.x,m_Bounds.vcMax.z );

    // Create the renderable object for the tile.
    m_pRenderable = new etTileRenderable( this );
    m_pRenderable->m_BBox = m_Bounds;
    m_pRenderable->m_pVB = m_pVB;
    m_pRenderable->m_nNumVerts = (nTileSize+1)*(nTileSize+1);

    // Create the renderable object when tile is selected.
    m_pSelected = new etTileSelected( this );
    m_pSelected->BuildGeometry();

    FlyRenderEffect* pEffect = etCoreManager::Instance().GetTerrainFX();
    m_pRenderable->m_pMaterial->AddNewTechnique( pEffect->GetTechniqueByIndex(0) );
    m_pRenderable->m_pMaterial->AddNewTechnique( pEffect->GetTechniqueByIndex(1) );
    m_pRenderable->m_pMaterial->AddNewTechnique( pEffect->GetTechniqueByIndex(2) );
    m_pRenderable->m_pMaterial->AddNewTechnique( pEffect->GetTechniqueByIndex(3) );
    m_pRenderable->m_pMaterial->SetActiveTechnique( 0 );

    // Initialize the default GPU parameters.
    FlyRenderEffectInstance* pGPUProgram;
    FlyVector vLightDir = m_pManager->GetLightDirection();
    vLightDir.Normalize();
    for( int i=0;i<4;i++ )
    {
        pGPUProgram = m_pRenderable->m_pMaterial->GetRenderEffectInstance(i);
        *pGPUProgram->GetParameterByIndex(0) = m_pMainTexture;
        *pGPUProgram->GetParameterByIndex(1) = m_pLevel->GetDetailLayer()->GetTexture();
        *pGPUProgram->GetParameterByIndex(2) = m_pDetails[0];
        *pGPUProgram->GetParameterByIndex(3) = m_pDetails[1];
        *pGPUProgram->GetParameterByIndex(4) = m_pDetails[2];
        *pGPUProgram->GetParameterByIndex(5) = m_pDetails[3];
        *pGPUProgram->GetParameterByIndex(6) = m_fMainScale;
        *pGPUProgram->GetParameterByIndex(7) = m_fDetailScale[0];
        *pGPUProgram->GetParameterByIndex(8) = m_fDetailScale[1];
        *pGPUProgram->GetParameterByIndex(9) = m_fDetailScale[2];
        *pGPUProgram->GetParameterByIndex(10) = m_fDetailScale[3];
        *pGPUProgram->GetParameterByIndex(11) = m_pManager->GetLightingMode();
        *pGPUProgram->GetParameterByIndex(12) = vLightDir;
        *pGPUProgram->GetParameterByIndex(13) = *((FlyVector*)&m_pManager->GetLightAmbient());
        *pGPUProgram->GetParameterByIndex(14) = *((FlyVector*)&m_pManager->GetLightDiffuse());
        *pGPUProgram->GetParameterByIndex(16) = *((FlyVector*)&m_pManager->GetWireColor());
    }

    return FLY_OK;
}
示例#3
0
//------------------------------------------------------------------------
// Build the polygon renderable object.
//------------------------------------------------------------------------
HRESULT etVegetationObject::BuildPolygonRenderable( float fWidth,float fHeight,UINT nNumPolygons,
                                                    const etFloatRect& texRect )
{
    std::string sMatName;

    // Get the pointer to the sceneManager.
    etSceneManager* pManager = (etSceneManager*)etCoreManager::Instance().GetSceneManager();

    // Create the renderable object.
    etVegetationRenderable* pRenderable = new etVegetationRenderable( this );
    if( !pRenderable ) return FLY_OUTOFMEMORY;

    pRenderable->m_nNumVerts = nNumPolygons * 4;
    pRenderable->m_nNumIndis = nNumPolygons * 6;
    pRenderable->m_nNumPrims = nNumPolygons * 2;

    // Get the pointer to the resourceManager.
    FlyResourceManager* pResMgr = etCoreManager::Instance().GetResourceManager();

    // Create the vertex buffer.
    pRenderable->m_pVB = pResMgr->MakeVertexBuffer( sizeof(VERTEXL)*pRenderable->m_nNumVerts,
        BU_WRITEONLY,MM_MANAGED );
    if( !pRenderable->m_pVB ) return FLY_CREATEBUFFER;
    VERTEXL* pVerts = (VERTEXL*)pRenderable->m_pVB->Lock( LOCK_NORMAL );

    // Create the index buffer.
    pRenderable->m_pIB = pResMgr->MakeIndexBuffer( sizeof(WORD)*pRenderable->m_nNumIndis,
        BU_WRITEONLY,MM_MANAGED,IF_INDEX16 );
    if( !pRenderable->m_pIB ) return FLY_CREATEBUFFER;
    WORD* pIndis = (WORD*)pRenderable->m_pIB->Lock( LOCK_NORMAL );

    float fAngle = FLY_PI / nNumPolygons;
    float fRadius = fWidth / 2.0f;
    UINT nVertOffset = 0;

    for( int i=0;i<nNumPolygons;i++ )
    {
        float fX1 = -fRadius * cosf( fAngle*i );
        float fZ1 =  fRadius * sinf( fAngle*i );
        float fX2 = -fRadius * cosf( fAngle*i+FLY_PI );
        float fZ2 =  fRadius * sinf( fAngle*i+FLY_PI );

        pVerts->x = fX1;
        pVerts->y = -fHeight / 2.0f;
        pVerts->z = fZ1;
        pVerts->color = 0xffffffff;
        pVerts->tu = texRect.GetMinPointX();
        pVerts->tv = texRect.GetMaxPointZ();
        pVerts++;
        pVerts->x = fX1;
        pVerts->y = fHeight / 2.0f;
        pVerts->z = fZ1;
        pVerts->color = 0xffffffff;
        pVerts->tu = texRect.GetMinPointX();
        pVerts->tv = texRect.GetMinPointZ();
        pVerts++;
        pVerts->x = fX2;
        pVerts->y = fHeight / 2.0f;
        pVerts->z = fZ2;
        pVerts->color = 0xffffffff;
        pVerts->tu = texRect.GetMaxPointX();
        pVerts->tv = texRect.GetMinPointZ();
        pVerts++;
        pVerts->x = fX2;
        pVerts->y = -fHeight / 2.0f;
        pVerts->z = fZ2;
        pVerts->color = 0xffffffff;
        pVerts->tu = texRect.GetMaxPointX();
        pVerts->tv = texRect.GetMaxPointZ();
        pVerts++;

        *pIndis++ = 0 + nVertOffset;
        *pIndis++ = 1 + nVertOffset;
        *pIndis++ = 2 + nVertOffset;
        *pIndis++ = 2 + nVertOffset;
        *pIndis++ = 3 + nVertOffset;
        *pIndis++ = 0 + nVertOffset;

        nVertOffset += 4;
    }

    pRenderable->m_pVB->Unlock();
    pRenderable->m_pIB->Unlock();

    // Calculate the boundingBox.
    pRenderable->m_BBox.vcMin.Set( -fRadius,-fHeight/2.0f,-fRadius );
    pRenderable->m_BBox.vcMax.Set(  fRadius, fHeight/2.0f, fRadius );

    // Create the render material for the object.
    sMatName = "vegetation_" + m_sName;
    pRenderable->m_pMaterial = pResMgr->CreateMaterial( sMatName.c_str() );

    FlyRenderEffect* pEffect = etCoreManager::Instance().GetVegetationFX();
    pRenderable->m_pMaterial->AddNewTechnique( pEffect->GetTechniqueByIndex(0) );
    pRenderable->m_pMaterial->SetActiveTechnique( 0 );

    FlyRenderEffectInstance* pInstance = pRenderable->m_pMaterial->GetActiveRenderEffectInstance();
    *pInstance->GetParameterByIndex(2) = m_pTexture;

    // Set the local boundingBox.
    m_Bounds = pRenderable->m_BBox;

    m_Renderables.push_back( pRenderable );
    return FLY_OK;
}