/*
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
*/

#include "stdafx.h"
#include "sky.h"
#include "Logs.h"
#include "Globals.h"
#include "MdlMngr.h"

//---------------------------------------------------------------------------
GLfloat lightPos[4] = {0.0f, 0.0f, 0.0f, 1.0f};

TSky::~TSky(){};

TSky::TSky(){};

void TSky::Init()
{
    WriteLog( "Clouds init" );
    if ((Global::asSky != "1") && (Global::asSky != "0"))
        mdCloud = TModelsManager::GetModel( Global::asSky );
};

void TSky::Render( float3 const &Tint )
{
    if (mdCloud)
    { // jeśli jest model nieba
#ifdef EU07_USE_OLD_LIGHTING_MODEL
        // TODO: re-implement this
        glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
#else
        ::glEnable( GL_LIGHTING );
        GfxRenderer.Disable_Lights();
        ::glLightModelfv( GL_LIGHT_MODEL_AMBIENT, &Tint.x );
#endif
        if (Global::bUseVBO)
        { // renderowanie z VBO
            mdCloud->RaRender(100, 0);
            mdCloud->RaRenderAlpha(100, 0);
        }
        else
        { // renderowanie z Display List
            mdCloud->Render(100, 0);
            mdCloud->RenderAlpha(100, 0);
        }
#ifdef EU07_USE_OLD_LIGHTING_MODEL
        glPopMatrix();
        // TODO: re-implement this
        glLightfv(GL_LIGHT0, GL_POSITION, Global::lightPos);
#else
        GLfloat noambient[] = { 0.0f, 0.0f, 0.0f, 1.0f };
        ::glLightModelfv( GL_LIGHT_MODEL_AMBIENT, noambient );
        ::glEnable( GL_LIGHT0 ); // other lights will be enabled during lights update
        ::glDisable( GL_LIGHTING );
#endif
    }
};

//---------------------------------------------------------------------------