HRESULT HookIDirect3DDevice9::SetClipPlane(LPVOID _this, DWORD Index,CONST float* pPlane)
{
LOG_API();
return pD3Dev->SetClipPlane(Index, pPlane);
}
void Render(float alpha, float elapsedtime)
{
static float time = 0;
LPDIRECT3DSURFACE9 backbuffer = 0;
D3DXMATRIX view, proj, viewproj;
D3DXMATRIX world, inv;
D3DXVECTOR4 texelsize;
D3DXVECTOR4 lightpos(-600, 350, 1000, 1);
D3DXVECTOR4 refllight;
D3DXVECTOR3 eye(0, 0, -5.0f);
D3DXVECTOR3 look(0, 1.2f, 0);
D3DXVECTOR3 refleye, refllook;
D3DXVECTOR3 up(0, 1, 0);
D3DXVECTOR2 orient = cameraangle.smooth(alpha);
D3DXMatrixRotationYawPitchRoll(&view, orient.x, orient.y, 0);
D3DXVec3TransformCoord(&eye, &eye, &view);
eye.y += 1.2f;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 2, (float)screenwidth / (float)screenheight, 0.1f, 30);
time += elapsedtime;
if( SUCCEEDED(device->BeginScene()) )
{
device->GetRenderTarget(0, &backbuffer);
// STEP 1: render reflection texture
device->SetRenderTarget(0, reflectsurf);
device->Clear(0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, 0xff6694ed, 1.0f, 0);
D3DXPLANE plane(0, 1, 0, 1);
refleye = eye - 2 * D3DXPlaneDotCoord(&plane, &eye) * (D3DXVECTOR3&)plane;
refllook = look - 2 * D3DXPlaneDotCoord(&plane, &look) * (D3DXVECTOR3&)plane;
refllight = lightpos - 2 * D3DXPlaneDot(&plane, &lightpos) * (D3DXVECTOR4&)plane;
refllight.w = 1;
D3DXMatrixLookAtLH(&view, &refleye, &refllook, &up);
D3DXMatrixMultiply(&viewproj, &view, &proj);
D3DXMatrixInverse(&inv, 0, &viewproj);
D3DXMatrixTranspose(&inv, &inv);
D3DXPlaneTransform(&plane, &plane, &inv);
device->SetClipPlane(0, &plane.a);
RenderScene(viewproj, refleye, refllight, true);
// STEP 2: render scene (later used for refraction)
D3DXMatrixLookAtLH(&view, &eye, &look, &up);
D3DXMatrixMultiply(&viewproj, &view, &proj);
device->SetRenderTarget(0, refractsurf);
device->Clear(0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, 0xff6694ed, 1.0f, 0);
RenderScene(viewproj, eye, lightpos, false);
// render water surface into alpha channel for masking
device->SetRenderState(D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALPHA);
D3DXMatrixTranslation(&world, 0, -1, 0);
device->SetTransform(D3DTS_WORLD, &world);
device->SetTransform(D3DTS_VIEW, &view);
device->SetTransform(D3DTS_PROJECTION, &proj);
waterplane->DrawSubset(0, DXObject::Opaque);
device->SetRenderState(D3DRS_COLORWRITEENABLE, 0x0f);
// STEP 3: light shafts
quadvertices[6] = quadvertices[24] = quadvertices[30] = (float)screenwidth - 0.5f;
quadvertices[13] = quadvertices[19] = quadvertices[31] = (float)screenheight - 0.5f;
RenderLightShafts(view, proj, eye, lightpos);
// STEP 4: gamma correct
device->SetRenderTarget(0, sceneldrsurf);
device->SetRenderState(D3DRS_ZENABLE, FALSE);
device->SetVertexDeclaration(quaddecl);
bloom->SetTechnique("gammacorrect");
bloom->Begin(0, 0);
bloom->BeginPass(0);
{
device->SetTexture(0, refraction);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
bloom->EndPass();
bloom->End();
device->SetRenderState(D3DRS_ZENABLE, TRUE);
// STEP 5: water surface
device->SetRenderState(D3DRS_SRGBWRITEENABLE, TRUE);
D3DXMatrixTranslation(&world, 0, -1, 0);
D3DXMatrixIdentity(&inv);
water->SetMatrix("matViewProj", &viewproj);
water->SetMatrix("matWorld", &world);
water->SetMatrix("matWorldInv", &inv);
water->SetVector("eyePos", (D3DXVECTOR4*)&eye);
water->SetVector("lightPos", &lightpos);
water->SetVector("lightColor", &lightcolor);
water->SetFloat("time", time);
water->Begin(0, 0);
water->BeginPass(0);
{
device->SetTexture(0, refraction);
device->SetTexture(1, reflection);
device->SetTexture(2, waves);
waterplane->DrawSubset(0, DXObject::Opaque);
}
water->EndPass();
water->End();
device->SetRenderState(D3DRS_SRGBWRITEENABLE, FALSE);
// STEP 6: downsample & blur
quadvertices[6] = quadvertices[24] = quadvertices[30] = (float)screenwidth * 0.5f - 0.5f;
quadvertices[13] = quadvertices[19] = quadvertices[31] = (float)screenheight * 0.5f - 0.5f;
device->SetRenderTarget(0, bloomsurf1);
device->SetRenderState(D3DRS_ZENABLE, FALSE);
device->SetVertexDeclaration(quaddecl);
texelsize.x = 1.0f / screenwidth;
texelsize.y = 1.0f / screenheight;
bloom->SetTechnique("downsample");
bloom->SetVector("texelSize", &texelsize);
bloom->Begin(0, 0);
bloom->BeginPass(0);
{
device->SetTexture(0, sceneldr);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
bloom->EndPass();
bloom->End();
device->SetRenderTarget(0, bloomsurf2);
texelsize.x = 2.0f / screenwidth;
texelsize.y = 2.0f / screenheight;
bloom->SetTechnique("blur");
bloom->SetVector("texelSize", &texelsize);
bloom->Begin(0, 0);
bloom->BeginPass(0);
{
device->SetTexture(0, bloomtex1);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
bloom->EndPass();
bloom->End();
// STEP 7: add light shafts
quadvertices[6] = quadvertices[24] = quadvertices[30] = (float)screenwidth - 0.5f;
quadvertices[13] = quadvertices[19] = quadvertices[31] = (float)screenheight - 0.5f;
device->SetRenderTarget(0, backbuffer);
godray->SetTechnique("final");
godray->Begin(0, 0);
godray->BeginPass(0);
{
device->SetTexture(0, sceneldr);
device->SetTexture(1, occluders);
device->SetTexture(2, bloomtex2);
device->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 2, quadvertices, 6 * sizeof(float));
}
godray->EndPass();
godray->End();
backbuffer->Release();
device->SetRenderState(D3DRS_ZENABLE, TRUE);
device->EndScene();
}
device->Present(NULL, NULL, NULL, NULL);
}