void WaterDemo::drawScene()
{
HR(gd3dDevice->BeginScene());
mSky->draw();
HR(mFX->SetValue(mhLight, &mLight, sizeof(DirLight)));
HR(mFX->SetMatrix(mhWVP, &(mSceneWorld*gCamera->viewProj())));
HR(mFX->SetValue(mhEyePosW, &gCamera->pos(), sizeof(D3DXVECTOR3)));
UINT numPasses = 0;
HR(mFX->Begin(&numPasses, 0));
HR(mFX->BeginPass(0));
for(UINT j = 0; j < mSceneMtrls.size(); ++j)
{
HR(mFX->SetValue(mhMtrl, &mSceneMtrls[j], sizeof(Mtrl)));
// If there is a texture, then use.
if(mSceneTextures[j] != 0)
{
HR(mFX->SetTexture(mhTex, mSceneTextures[j]));
}
// But if not, then set a pure white texture. When the texture color
// is multiplied by the color from lighting, it is like multiplying by
// 1 and won't change the color from lighting.
else
{
HR(mFX->SetTexture(mhTex, mWhiteTex));
}
HR(mFX->SetTexture(mhNormalMap, mSceneNormalMaps[j]));
HR(mFX->CommitChanges());
HR(mSceneMesh->DrawSubset(j));
}
HR(mFX->EndPass());
HR(mFX->End());
// Draw alpha blended object last.
mWater->draw();
mGfxStats->display();
HR(gd3dDevice->EndScene());
// Present the backbuffer.
HR(gd3dDevice->Present(0, 0, 0, 0));
}
static void draw (void)
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
if(bRendered) glEnable(GL_TEXTURE_2D);
else glDisable(GL_TEXTURE_2D);
if(bWireframe)
{
glLineWidth( 2.0 );
glPolygonMode(GL_FRONT, GL_LINE);
}
else
glPolygonMode(GL_FRONT, GL_FILL);
glRotatef(5, 1,0,0);
camera.transform(sky);
sun.transform();
if(bDrawGrid) draw_axis();
glColor3f(0.9,0.9,0.9);
// Cylinder building
glPushMatrix();
glTranslatef(0, 0, -100);
glRotatef(40, 0, 1, 0);
spLight.transform(); // Update spot light
cylinder.draw();
step1.draw();
step2.draw();
glPopMatrix();
// Right cuboid building
glPushMatrix();
glTranslatef(100, 25, 25);
build_right.draw();
glTranslatef(-75, 0, 150);
glRotatef( 90, 0, 1, 0 );
build_right.draw();
glPopMatrix();
// Front timber building
glPushMatrix();
glTranslatef(20, 15, 0);
build_front.draw();
glPopMatrix();
// Foundations
glPushMatrix();
glTranslatef(0, -15, 0);
foundation.draw();
glTranslatef(-325, 0, 0);
foundation.draw();
glPopMatrix();
// Water
glPushMatrix();
glTranslatef(-160,-10,0);
water.draw();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
Sleep(1); // Frame limiter
}
void PropsDemo::drawScene()
{
// Clear the backbuffer and depth buffer.
HR(gd3dDevice->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xff888888, 1.0f, 0));
HR(gd3dDevice->BeginScene());
HR(mFX->SetValue(mhEyePosW, &gCamera->pos(), sizeof(D3DXVECTOR3)));
HR(mFX->SetTechnique(mhTech));
UINT numPasses = 0;
HR(mFX->Begin(&numPasses, 0));
HR(mFX->BeginPass(0));
drawObject(mCastle, mCastleWorld);
// Use alpha test to block non leaf pixels from being rendered in the
// trees (i.e., use alpha mask).
HR(gd3dDevice->SetRenderState(D3DRS_ALPHATESTENABLE, true));
HR(gd3dDevice->SetRenderState(D3DRS_ALPHAFUNC, D3DCMP_GREATEREQUAL));
HR(gd3dDevice->SetRenderState(D3DRS_ALPHAREF, 200));
// Draw the trees: NUM_TREES/4 of each of the four types.
for(int i = 0; i < NUM_TREES; ++i)
{
if( i < NUM_TREES/4 )
drawObject(mTrees[0], mTreeWorlds[i]);
else if( i < 2*NUM_TREES/4 )
drawObject(mTrees[1], mTreeWorlds[i]);
else if( i < 3*NUM_TREES/4 )
drawObject(mTrees[2], mTreeWorlds[i]);
else
drawObject(mTrees[3], mTreeWorlds[i]);
}
HR(gd3dDevice->SetRenderState(D3DRS_ALPHATESTENABLE, false));
HR(mFX->EndPass());
HR(mFX->End());
HR(mGrassFX->SetValue(mhGrassEyePosW, &gCamera->pos(), sizeof(D3DXVECTOR3)));
HR(mGrassFX->SetMatrix(mhGrassViewProj, &(gCamera->viewProj())));
HR(mGrassFX->SetFloat(mhGrassTime, mTime));
HR(mGrassFX->Begin(&numPasses, 0));
HR(mGrassFX->BeginPass(0));
// Draw to depth buffer only.
HR(mGrassMesh->DrawSubset(0));
HR(mGrassFX->EndPass());
HR(mGrassFX->End());
mTerrain->draw();
mWater->draw(); // draw alpha blended objects last.
mGfxStats->display();
HR(gd3dDevice->EndScene());
// Present the backbuffer.
HR(gd3dDevice->Present(0, 0, 0, 0));
}
