void SpotLight::ApplyLight()
{
// Set spot light position and direction
Float3 dir3(GetWorldMatrixPtr()->_31, GetWorldMatrixPtr()->_32, GetWorldMatrixPtr()->_33);
dir3.normalize();
XMFLOAT3 pos(&GetWorldMatrixPtr()->_41);
cBufferData.spotLight.direction = XMFLOAT3(dir3.x, dir3.y, dir3.z);
cBufferData.spotLight.position = pos;
D3D11_MAPPED_SUBRESOURCE edit;
Renderer::theContextPtr->Map(cBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &edit);
memcpy(edit.pData, &cBufferData, sizeof(cBufferData));
Renderer::theContextPtr->Unmap(cBuffer, 0);
Renderer::theContextPtr->VSSetConstantBuffers(cBufferData.SPOT_LIGHT_REGISTER_SLOT, 1, &cBuffer.p);
Renderer::theContextPtr->PSSetConstantBuffers(cBufferData.SPOT_LIGHT_REGISTER_SLOT, 1, &cBuffer.p);
// Check if the camera is inside the lit area
Float3 toCamera = ViewPortManager::GetReference().GetActiveViewPosition()
- *(Float3 *)&pos.x;
toCamera.normalize();
if(toCamera.dotProduct(dir3) > cBufferData.spotLight.cutoff)
techniqueNameOverride = "RenderSpotLightInside";
else
techniqueNameOverride = "RenderSpotLightOutside";
AddToContextSet();
}
void SpotLight::ApplyLight(ID3DXEffect *effectPtr)
{
D3DXHANDLE handle;
D3DXMATRIX lightViewProj;
D3DXMATRIX lightView;
float4x4 invertMat;
const float4x4 &worldMat = *(float4x4 *)GetWorldMatrixPtr();
handle = effectPtr->GetParameterByName(name.c_str(), "Position");
D3DXVECTOR4 positionExponent(worldMat.WAxis.x, worldMat.WAxis.y, worldMat.WAxis.z, 1);
effectPtr->SetVector(handle, &positionExponent);
handle = effectPtr->GetParameterByName(name.c_str(), "Direction");
float3 dir(worldMat.ZAxis.x, worldMat.ZAxis.y, worldMat.ZAxis.z);
dir.normalize();
D3DXVECTOR4 directionCutOff(dir.x, dir.y, dir.z,1);
effectPtr->SetVector(handle, &directionCutOff);
handle = effectPtr->GetParameterByName(name.c_str(), "Attenuation");
effectPtr->SetVector(handle, &D3DXVECTOR4(attenuation, 1));
handle = effectPtr->GetParameterByName(name.c_str(), "Range");
effectPtr->SetFloat(handle, radius);
handle = effectPtr->GetParameterByName(name.c_str(), "Exponent");
effectPtr->SetFloat(handle, exponent);
handle = effectPtr->GetParameterByName(name.c_str(), "Cutoff");
effectPtr->SetFloat(handle, cutOff);
lightModelPtr->GetShapes()[0]->AddToContextSet();
// Check if the camera is inside the lit area
float3 toCamera = (ViewPortManager::GetReference().GetActiveViewPosition()
- *(float3 *)&positionExponent).normalize();
if(toCamera.dotProduct(dir) > cutOff)
effectPtr->SetTechnique("RenderSpotLightInside");
else
effectPtr->SetTechnique("RenderSpotLightOutside");
// fo' dah debuggin'
//DebugRenderer::GetInstance()->DrawCone(
// lightModelPtr->GetShapes()[0]->GetFramePtr()->GetWorldMatrix());
Light::ApplyLight(effectPtr);
}
