// Renderer.cpp: implementation of the CScene class.
//
//////////////////////////////////////////////////////////////////////

#include "scene.h"
#include "application.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CScene::CScene()
{
	pCamera = new CCamera();
}

CScene::~CScene()
{
	OutputDebugString("CScene destructor\n");

}

bool CScene::Init()
{
	glShadeModel(GL_SMOOTH);							// Enable Smooth Shading
	glClearColor(0.0f, 0.0f, 0.0f, 0.5f);				// Black Background
	glClearDepth(1.0f);									// Depth Buffer Setup
	glEnable(GL_DEPTH_TEST);							// Enables Depth Testing
	glDepthFunc(GL_LEQUAL);								// The Type Of Depth Testing To Do
	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);	// Really Nice Perspective Calculations

	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	glOrtho(-50.0, 50.0, -50.0, 50.0, -50.0, 50.0);

	return TRUE;										// Initialization Went OK
}

void CScene::Resize()
{
	// prevent division by 0
	if (pApp->pData->Window_Height==0)
	{
		pApp->pData->Window_Height=1;
	}

	pApp->pLog->Log("New window size: %d x %d", 
		pApp->pData->Window_Width, pApp->pData->Window_Height);

	glViewport(0,0,pApp->pData->Window_Width, pApp->pData->Window_Height);						// Reset The Current Viewport

	glMatrixMode(GL_PROJECTION);						// Select The Projection Matrix
	glLoadIdentity();									// Reset The Projection Matrix

	// Calculate The Aspect Ratio Of The Window
	gluPerspective(45.0f,
		(GLfloat)pApp->pData->Window_Width /(GLfloat)pApp->pData->Window_Height,
		0.1f,100.0f);

	// Create Ortho 640x480 View (0,0 At Top Left)
	//glOrtho(-50.0f,50.0f,-50.0f,50.0f,-10.0f,10.0f);

	// Select The Modelview Matrix
	glMatrixMode(GL_MODELVIEW);
	// Reset The Modelview Matrix
	glLoadIdentity();

}

void CScene::Clear()
{
	// Clear The Screen And The Depth Buffer
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glLoadIdentity();
}