/*!****************************************************************************
@Function RenderScene
@Return bool true if no error occured
@Description Main rendering loop function of the program. The shell will
call this function every frame.
eglSwapBuffers() will be performed by PVRShell automatically.
PVRShell will also manage important OS events.
Will also manage relevent OS events. The user has access to
these events through an abstraction layer provided by PVRShell.
******************************************************************************/
bool OGLES3ComplexLighting::RenderScene()
{
// Clears the color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Keyboard input (cursor to change light)
if (PVRShellIsKeyPressed(PVRShellKeyNameLEFT))
{
m_eLightType = ELightType((m_eLightType + eNumLightTypes - 1) % eNumLightTypes);
}
if (PVRShellIsKeyPressed(PVRShellKeyNameRIGHT))
{
m_eLightType = ELightType((m_eLightType + 1) % eNumLightTypes);
}
// Use shader program
glUseProgram(m_ShaderProgram.uiId);
// Bind texture
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, m_uiTexture);
glUniform1i(m_ShaderProgram.uiLightSelLoc, m_eLightType);
// Rotate and Translation the model matrix
PVRTMat4 mModel = PVRTMat4::RotationY(m_fAngleY);
m_fAngleY += PVRT_PI / 150;
// Set model view projection matrix
PVRTMat4 mModelView = m_mView * mModel;
PVRTMat4 mMVP = m_mProjection * mModelView;
glUniformMatrix4fv(m_ShaderProgram.uiMVPMatrixLoc, 1, GL_FALSE, mMVP.ptr());
// Set model view matrix
glUniformMatrix4fv(m_ShaderProgram.uiModelViewLoc, 1, GL_FALSE, mModelView.ptr());
// Set model view inverse transpose matrix
PVRTMat3 mModelViewIT = PVRTMat3(mModelView).inverse().transpose();
glUniformMatrix3fv(m_ShaderProgram.uiModelViewITLoc, 1, GL_FALSE, mModelViewIT.ptr());
DrawMesh(0);
// Displays the demo name using the tools. For a detailed explanation, see the training course IntroducingPVRTools
m_Print3D.DisplayDefaultTitle("ComplexLighting", c_aszLightTypeList[m_eLightType], ePVRTPrint3DSDKLogo);
m_Print3D.Flush();
return true;
}
CGuiLight* CGuiLight::Create(CGuiFrame* frame, CInputStream& in, bool flag)
{
CGuiWidgetParms parms = ReadWidgetHeader(frame, in, flag);
ELightType tp = ELightType(in.readUint32Big());
float distC = in.readFloatBig();
float distL = in.readFloatBig();
float distQ = in.readFloatBig();
float angC = in.readFloatBig();
float angL = in.readFloatBig();
float angQ = in.readFloatBig();
u32 loadedIdx = in.readUint32Big();
CGuiLight* ret = nullptr;
switch (tp)
{
case ELightType::Spot:
{
float cutoff = in.readFloatBig();
CLight lt = CLight::BuildSpot(zeus::CVector3f::skZero, zeus::CVector3f::skZero,
parms.x10_color, cutoff);
lt.SetAttenuation(distC, distL, distQ);
lt.SetAngleAttenuation(angC, angL, angQ);
lt.x40_loadedIdx = loadedIdx;
ret = new CGuiLight(parms, lt);
break;
}
case ELightType::Point:
{
CLight lt = CLight::BuildPoint(zeus::CVector3f::skZero, parms.x10_color);
lt.SetAttenuation(distC, distL, distQ);
lt.x40_loadedIdx = loadedIdx;
ret = new CGuiLight(parms, lt);
break;
}
case ELightType::Directional:
{
CLight lt = CLight::BuildDirectional(zeus::CVector3f::skZero, parms.x10_color);
lt.x40_loadedIdx = loadedIdx;
ret = new CGuiLight(parms, lt);
break;
}
default: break;
}
ret->ParseBaseInfo(frame, in, parms);
frame->AddLight(ret);
return ret;
}
