void ShadowGroup::addDirectionalLight(DirectionalLight *dirLight, enum ShadowMode mode)
{
int light_id = dirLight->_id;
osg::Matrixf shadowView;
if(mode == BASIC)
{
shadowView.makeLookAt(dirLight->getPosition(), dirLight->getLookAt(), osg::Vec3(0, 0, 1)); // z-up
osg::Matrixf shadowMVP = shadowView * _shadowProjection;
dirLight->_lightViewMatrix = shadowView;
dirLight->_lightProjectionMatrix = _shadowProjection;
dirLight->_lightNearDistance = _nearPlane;
dirLight->_lightFarDistance = _farPlane;
osg::ref_ptr<osg::TextureRectangle> depthTex = createShadowTexture(_depthTexWidth, _depthTexHeight);
_dir_depthMaps.insert(std::make_pair(light_id, depthTex));
if(_isGIEnabled)
{
// make the only the first light gi light
if(_dir_lightDir_fluxMaps.empty())
{
osg::ref_ptr<osg::TextureRectangle> fluxTex = createLightDirFluxTexture(_rsmTexWidth, _rsmTexHeight);// TODO: optimization
_dir_lightDir_fluxMaps.insert(std::make_pair(light_id, fluxTex));
osg::ref_ptr<osg::TextureRectangle> posTex = createLightPositionTexture(_rsmTexWidth, _rsmTexHeight);
_dir_worldPos_Maps.insert(std::make_pair(light_id, posTex));
_giLight = dirLight;
configRSMCamera();
}
// addBasicShadowCam(depthTex, fluxTex, posTex, shadowView, shadowMVP, dirLight);
// TODO: refactor
addBasicShadowCam(depthTex, NULL, NULL, shadowView, shadowMVP, dirLight);
addBlurCamera(depthTex);
}
else
{
addBasicShadowCam(depthTex, NULL, NULL, shadowView, shadowMVP, dirLight);
addBlurCamera(depthTex);
}
}
}
//-----------------------------------------------------------------------------
//! コンストラクタ
//-----------------------------------------------------------------------------
CascadedShadow::CascadedShadow()
: _currentShadowNum (0)
, _split_weight (0.75f)
, _modelMatrix (Matrix::IDENTITY)
, _depthTexture (nullptr)
{
for( u32 i=0; i<6; ++i ) {
_MinMax[i] = 0.0f;
}
// シャドウマップ初期化とプロジェクション行列初期化
for( u32 i=0; i<SPLIT_COUNT; ++i ) {
_pShadow[i] = nullptr;
// シャドウマップ初期化
SAFE_NEW(_pShadow[i]);
// 視錐台初期化
/*f[i]._fov = TO_RADIAN(120.0f);
f[i]._ratio = (f32)WIDTH/(f32)HEIGHT;*/
// プロジェクション行列初期化
_depthProj[i] = Matrix::IDENTITY;
}
// テクスチャの横幅は分割数分取る
_depthTexSize = Size<s32>(DEPTH_SIZE * SPLIT_COUNT, DEPTH_SIZE);
// シャドウテクスチャを作成
if( !createShadowTexture() ) {
MessageBoxA(NULL, "シャドウテクスチャ作成に失敗しました", "エラー", MB_OK);
}
// 分割数をシェーダに渡しておく
GmShader()->changeShader(SystemShader::SHADER_TEXTURE);
GmShader()->setUniform1f("gSplitCount", (GLfloat)SPLIT_COUNT);
GmShader()->beginPrevShader();
TaskModelX::setBiasMatrix(_biasMatrix);
_isSetRender = false;
}
