/*
* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
*
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/

#include "Render.h"

//#include "freeglut/gl/glut.h"
//think different
#if defined(__APPLE__) && !defined (VMDMESA)
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif

#include <stdio.h>
#include <stdarg.h>
#include <string.h>

void DrawString(int x, int y, const char *string, ...)
{
	char buffer[128];

	va_list arg;
	va_start(arg, string);
	vsprintf(buffer, string, arg);
	va_end(arg);

	glMatrixMode(GL_PROJECTION);
	glPushMatrix();
	glLoadIdentity();
	int w = glutGet(GLUT_WINDOW_WIDTH);
	int h = glutGet(GLUT_WINDOW_HEIGHT);
	gluOrtho2D(0, w, h, 0);
	glMatrixMode(GL_MODELVIEW);
	glPushMatrix();
	glLoadIdentity();

	glColor3f(0.9f, 0.6f, 0.6f);
	glRasterPos2i(x, y);
	int length = (int)strlen(buffer);
	for (int i = 0; i < length; ++i)
	{
		glutBitmapCharacter(GLUT_BITMAP_8_BY_13, buffer[i]);
	}

	glPopMatrix();
	glMatrixMode(GL_PROJECTION);
	glPopMatrix();
	glMatrixMode(GL_MODELVIEW);
}