bool InitResourceDX9(void)
{
// 取得Direct3D 9裝置
LPDIRECT3DDEVICE9 device = GutGetGraphicsDeviceDX9();
// 設定視角轉換矩陣
int w, h;
GutGetWindowSize(w, h);
float aspect = (float) h / (float) w;
Matrix4x4 projection_matrix = GutMatrixPerspectiveRH_DirectX(g_fFovW, aspect, 0.1f, 100.0f);
device->SetTransform(D3DTS_PROJECTION, (D3DMATRIX *) &projection_matrix);
// 關閉打光
device->SetRenderState(D3DRS_LIGHTING, FALSE);
// 畫出正向跟反向的三角形
device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
// 載入貼圖
const char *texture_array[] = {
"../../textures/uffizi_right.tga",
"../../textures/uffizi_left.tga",
"../../textures/uffizi_top.tga",
"../../textures/uffizi_bottom.tga",
"../../textures/uffizi_back.tga", // `右手座標系上 Z+ 為鏡頭後方.`
"../../textures/uffizi_front.tga" // `右手座標系上 Z- 為鏡頭前方.`
};
g_pTexture = GutLoadCubemapTexture_DX9(texture_array);
if ( g_pTexture==NULL )
{
// 有些舊硬體不支援 mipmapped cubemap , 改載入 dds 的版本.
g_pTexture = GutLoadCubemapTexture_DX9("../../textures/uffizi_cubemap.dds");
if ( g_pTexture==NULL )
return false;
}
if ( !g_Model_DX9.ConvertToDX9Model(&g_Model) )
return false;
return true;
}
bool CGutModel_DX9::ConvertToDX9Model(CGutModel *pModel)
{
if ( pModel->m_iNumMeshes==0 )
return false;
printf("Building model for Direct3D9\n");
LPDIRECT3DDEVICE9 pDevice = GutGetGraphicsDeviceDX9();
int i, j;
m_iNumMaterials = pModel->m_iNumMaterials;
char szTextureName[256];
if ( m_iNumMaterials )
{
m_pMaterialArray = new sModelMaterial_DX9[m_iNumMaterials];
for ( i=0; i<m_iNumMaterials; i++ )
{
sModelMaterial_DX9 *target = m_pMaterialArray + i;
sModelMaterial *source = pModel->m_pMaterialArray + i;
D3DMATERIAL9 *pMtl = &m_pMaterialArray[i].m_Material;
pMtl->Ambient = *(D3DCOLORVALUE *) &source->m_Ambient;
pMtl->Diffuse = *(D3DCOLORVALUE *) &source->m_Diffuse;
pMtl->Specular = *(D3DCOLORVALUE *) &source->m_Specular;
pMtl->Emissive = *(D3DCOLORVALUE *) &source->m_Emissive;
pMtl->Power = source->m_fShininess;
target->m_bCullFace = source->m_bCullFace;
if ( !strcmp(source->m_szBlendMode, "replace") )
{
target->m_bBlend = FALSE;
}
else
{
target->m_bBlend = TRUE;
if ( !strcmp(source->m_szBlendMode, "blend") )
{
target->m_SrcBlend = D3DBLEND_SRCALPHA;
target->m_DestBlend = D3DBLEND_INVSRCALPHA;
}
else if ( !strcmp(source->m_szBlendMode, "add") )
{
target->m_SrcBlend = D3DBLEND_ONE;
target->m_DestBlend = D3DBLEND_ONE;
}
else
{
target->m_SrcBlend = D3DBLEND_ONE;
target->m_DestBlend = D3DBLEND_ZERO;
target->m_bBlend = FALSE;
}
}
for ( j=0; j<MAX_NUM_TEXTURES; j++ )
{
if ( source->m_szTexture[j][0] )
{
sprintf(szTextureName, "%s%s", CGutModel::GetTexturePath(), source->m_szTexture[j]);
if ( source->m_MapChannel[j]==MAP_CUBEMAP )
{
target->m_pTextures[j] = GutLoadCubemapTexture_DX9(szTextureName);
}
else
{
target->m_pTextures[j] = GutLoadTexture_DX9(szTextureName);
}
}
else
{
target->m_pTextures[j] = NULL;
}
target->m_MapChannel[j] = source->m_MapChannel[j];
}
}
}
m_iNumMeshes = pModel->m_iNumMeshes;
m_pMeshArray = new sModelMesh_DX9[m_iNumMeshes];
void *vbuffer_pointer, *ibuffer_pointer;
for ( i=0; i<m_iNumMeshes; i++ )
{
sModelMesh *pMeshSource = pModel->m_pMeshArray + i;
sModelMesh_DX9 *pMesh = m_pMeshArray + i;
pMesh->m_iNumVertexChunks = pMeshSource->m_iNumVertexChunks;
pMesh->m_pVertexChunk = new sModelVertexChunk_DX9[pMesh->m_iNumVertexChunks];
for ( j=0; j<pMesh->m_iNumVertexChunks; j++ )
{
sModelVertexChunk *pVertexChunkTarget = &pMeshSource->m_pVertexChunks[j];
sModelVertexChunk_DX9 *pVertexChunk = pMesh->m_pVertexChunk + j;
sVertexDecl *pVertexDecl = &pVertexChunkTarget->m_VertexDecl;
pVertexChunk->m_iVertexSize = pVertexChunkTarget->m_VertexDecl.m_iVertexSize;
pVertexChunk->CreateFVF(pVertexDecl);
pVertexChunk->m_iNumVertices = pVertexChunkTarget->m_iNumVertices;
int vbuffer_size = pVertexChunk->m_iNumVertices * pVertexChunk->m_iVertexSize;
// 配置一塊顯示卡記憶體
pDevice->CreateVertexBuffer(vbuffer_size, 0, 0, D3DPOOL_MANAGED, &pVertexChunk->m_pVertexBuffer, NULL);
if ( D3D_OK==pVertexChunk->m_pVertexBuffer->Lock(0, vbuffer_size, &vbuffer_pointer, 0) )
{
// 把頂點資料從主記憶體拷具到顯示卡上
pVertexChunkTarget->OutputVertexBuffer(vbuffer_pointer);
pVertexChunk->m_pVertexBuffer->Unlock();
}
else
{
return false;
}
pVertexChunk->m_iNumIndices = pVertexChunkTarget->m_iNumIndices;
int ibuffer_size = pVertexChunk->m_iNumIndices * 2;
// 配置一塊顯示卡記憶體
pDevice->CreateIndexBuffer(ibuffer_size, 0, D3DFMT_INDEX16, D3DPOOL_MANAGED, &pVertexChunk->m_pIndexBuffer, NULL);
if ( D3D_OK==pVertexChunk->m_pIndexBuffer->Lock(0, ibuffer_size, &ibuffer_pointer, 0) )
{
// 把索引資料從主記憶體拷具到顯示卡上
memcpy(ibuffer_pointer, pVertexChunkTarget->m_pIndexArray, ibuffer_size);
pVertexChunk->m_pIndexBuffer->Unlock();
}
else
{
return false;
}
//
pVertexChunk->m_iNumBatches = pVertexChunkTarget->m_iNumBatches;
if ( pVertexChunk->m_iNumBatches )
{
pVertexChunk->m_pBatchArray = new sModelBatch[pVertexChunk->m_iNumBatches];
memcpy(pVertexChunk->m_pBatchArray, pVertexChunkTarget->m_pBatchArray, sizeof(sModelBatch) * pVertexChunk->m_iNumBatches);
}
}
}
return true;
}
