/*
** game.c - The game
**
** 2014 - Frank Villaro-Dixon <Frank@Villaro-Dixon.eu>
*/

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "game.h"
#include "SDL_prims.h"

SDL_Point
get_hexagon_vertice(int faceno, int dist)
{
	SDL_Point p1;

	p1.x = dist * cos((M_PI/3)*faceno);
	p1.y = dist * sin((M_PI/3)*faceno);

	p1.x += SCREEN_WIDTH/2;
	p1.y += SCREEN_HEIGHT/2;

	return p1;
}
void
draw_hexagon_side(struct s_game *g, int faceno, int dist, int col) { //{{{
	SDL_Point p1, p2, p3, p4;

	p1 = get_hexagon_vertice(faceno, dist);
	p2 = get_hexagon_vertice(faceno+1, dist);
	p3 = get_hexagon_vertice(faceno+1, dist+SHAPE_THICK);
	p4 = get_hexagon_vertice(faceno, dist+SHAPE_THICK);

	SDL_Point points[4] = {p1, p2, p3, p4} ;
	SDL_FillPolygon(g->screen, points, 4, col);
}//}}}
void
draw_hexagon(struct s_game *g) {
	int faces;

#define DFT_COLOR 128
	for(faces = 0; faces < SHAPE_HEXAGON; faces++) {
		draw_hexagon_side(g, faces, 30, DFT_COLOR);
	}
}

void
init_game(struct s_game *g) {

	g->polygon_type = SHAPE_HEXAGON;
	g->cursor_angle = 0;

}

void
draw_game(struct s_game *g) {


	switch(g->polygon_type) {
	case SHAPE_HEXAGON:
		draw_hexagon(g);
		break;
	}
	/*
	SDL_Point p1, p2, p3;

	p1.x = 10; p1.y = 10;
	p2.x = 10; p2.y = 20;
	p3.x = 40; p3.y = 40;
	SDL_Point points[3] = {p1, p2, p3} ;
	SDL_FillPolygon(g->screen, points, 3, 0xffff0000);
	*/
}