#include <stdio.h>
#include <gl\gl.h>

#include "heightfield.h"

bool SwiftHeightField::Create(char *hFileName, const int hWidth, const int hHeight){	
	hmHeight = hHeight;
	hmWidth = hWidth;
	
	FILE *fp;

	fp = fopen(hFileName, "rb");

	fread(hHeightField, 1, hWidth * hHeight, fp);

	fclose(fp);

	return true;
}

void SwiftHeightField::Render(void){
	glBegin(GL_POINTS);
		for (int hMapX = 0; hMapX < hmWidth; hMapX++){
			for (int hMapZ = 0; hMapZ < hmHeight; hMapZ++){
				glVertex3f(hMapX, hHeightField[hMapX][hMapZ], hMapZ);	
			}
		}
	glEnd();
}