/*
*	@(#) tst.c 1.2 (2012/04/17 00:41:00)
*	@(#) source auf /mnt/home/mh/bla
*	created by mh on hera
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <math.h>

#define PI		(float)3.141592654	// pi...

int main(int argc, char **argv)
{
	unsigned int i, debug = 0;
	float a, b, c, xa, ya, xb, yb, xc, yc;

	char arr;
	extern char *optarg;

	unsigned int nmbr = 28;			// anzahl leds
	char *nnp  = "led_c_";			// präfix für netznamen
	char *wdth = "0.1";				// polygonzug-breite
	float wi   = 12.857143;			// 360 grad / 28 leds
	float irad = 2.0;				// innenradius
	float arad = 27.5;				// außenradius
	float wbr  = 10.0;				// breite der leiterschenkel in grad
									//   muss kleiner sein als WI - clearance
	while ((arr = getopt(argc, argv, "p:n:w:i:a:b:d:")) != -1) {
		switch (arr) {
		case 'p':
			nnp = malloc(strlen(optarg) * sizeof(*nnp));
			strcpy(nnp, optarg);
			break;
		case 'n':
			nmbr = atoi(optarg);
			wi = 360.0 / (float)nmbr;
			break;
		case 'w':
			wdth = malloc(strlen(optarg) * sizeof(*wdth));
			strcpy(wdth, optarg);
			break;
		case 'i':
			irad = atof(optarg);
			break;
		case 'a':
			arad = atof(optarg);
			break;
		case 'b':
			wbr = atof(optarg);
			break;
		case 'd':
			debug = atoi(optarg);
			break;
		case 'h':
		case '?':
		default:
			fprintf(stderr,
					"Usage:\n"
					" -p <string> praefix fuer netznamen\n"
					" -n <uint>   anzahl leds\n"
					" -w <float>  polygonzug-breite\n"
					" -i <float>  innenradius\n"
					" -a <float>  außenradius\n"
					" -b <float>  breite der leiterschenkel in grad\n"
					" -d [0/1]    debug print\n"
					);
			exit(1);
		}
	}
	printf("\n");

	if (!debug)
		printf("grid mm 1 on; set wire_bend 2;\n");

	for (i = 0; i < nmbr; i++) {
		a = ((float)i * wi - (wbr / 2.0));
		xa = arad * sin((a * PI) / 180.0);
		ya = arad * cos((a * PI) / 180.0);
	    if (debug)
			printf("a%02d = %3.2f - (%3.3f %3.3f)\n", i, a, xa, ya);

		b = ((float)i * wi + (wbr / 2.0));
		xb = arad * sin((b * PI) / 180.0);
		yb = arad * cos((b * PI) / 180.0);
	    if (debug)
			printf("b%02d = %3.2f - (%3.3f %3.3f)\n", i, b, xb, yb);

		c = (float)i * wi;
		xc = irad * sin((c * PI) / 180);
		yc = irad * cos((c * PI) / 180);
	    if (debug)
			printf("c%02d = %3.2f - (%3.3f %3.3f)\n\n", i, c, xc, yc);

		if(!debug)
			printf(	"polygon %s%02d %s "
					"(%.2f %.2f) (%.2f %.2f) (%.2f %.2f) (%.2f %.2f);\n",
					nnp, i, wdth, xc, yc, xa, ya, xb, yb, xc, yc);
	}
	return (0);
}


/*
 *	setMEstart
 *	MOD +TAB4
 *	CMD make
 *	setMEend
 */