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path: root/src/ft_draw_health_caption.c
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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_draw_health_caption.c                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: joelecle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/22 20:02:47 by joelecle          #+#    #+#             */
/*   Updated: 2020/02/22 20:02:48 by joelecle         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <cub3d.h>
#include <stdint.h>

static void
	ft_draw_caption(uint16_t y, uint16_t x, t_cub *cl)
{
	const int16_t	scl = cl->mlist.scale;

	cl->img.ptr[(x + (cl->mlist.map_w * scl) + 20) * 4 +
		(cl->img.sizeline * (y + cl->wlist.y_size - (cl->mlist.map_h * scl)
		- 5))] =
		(uint8_t)cl->tlist[21].ptr[cl->tlist[21].tex_x * 4 + 4 *
		cl->tlist[21].img_w * cl->tlist[21].tex_y];
	cl->img.ptr[(x + (cl->mlist.map_w * scl) + 20) * 4 +
		(cl->img.sizeline * (y + cl->wlist.y_size - (cl->mlist.map_h * scl)
		- 5)) + 1] =
		(uint8_t)cl->tlist[21].ptr[cl->tlist[21].tex_x * 4 + 4 *
		cl->tlist[21].img_w * cl->tlist[21].tex_y + 1];
	cl->img.ptr[(x + (cl->mlist.map_w * scl) + 20) * 4 +
		(cl->img.sizeline * (y + cl->wlist.y_size - (cl->mlist.map_h * scl)
		- 5)) + 2] =
		(uint8_t)cl->tlist[21].ptr[cl->tlist[21].tex_x * 4 + 4 *
		cl->tlist[21].img_w * cl->tlist[21].tex_y + 2];
}

static void
	ft_put_health_caption(t_cub *cl)
{
	int32_t	x_ratio;
	int32_t	y_ratio;
	int16_t	x;
	int16_t	y;

	x_ratio = (int)(((cl->tlist[21].img_w) << 16) / cl->life_cap_w) + 1;
	y_ratio = (int)(((cl->tlist[21].img_h) << 16) / cl->life_cap_h) + 1;
	y = 0;
	while (y < cl->life_cap_h)
	{
		cl->tlist[21].tex_y = ((y * y_ratio) >> 16);
		x = 0;
		while (x < cl->life_cap_w)
		{
			cl->tlist[21].tex_x = ((x * x_ratio) >> 16);
			if (cl->tlist[21].ptr[cl->tlist[21].tex_x * 4 + 4 *
				cl->tlist[21].img_h * cl->tlist[21].tex_y])
				ft_draw_caption(y, x, cl);
			x++;
		}
		y++;
	}
}

static void
	ft_get_hw(t_cub *cl)
{
	int16_t			x;
	int16_t			y;
	const int16_t	scl = cl->mlist.scale;

	x = (cl->mlist.map_w * scl) + 20;
	y = cl->wlist.y_size - (cl->mlist.map_h * scl) - 10;
	while (y < (int16_t)((cl->wlist.y_size - 10)
		- ((cl->mlist.map_h * scl) / 1.3)))
	{
		x = (cl->mlist.map_w * scl) + 20;
		while (x < (int16_t)((cl->mlist.map_w * scl) + 10 + ((24 * scl))))
			x++;
		y++;
	}
	y -= cl->wlist.y_size - (cl->mlist.map_h * scl) - 10;
	x -= (cl->mlist.map_w * scl) + 20;
	y = (y <= 0) ? (1) : (y);
	x = (x <= 0) ? (1) : (x);
	cl->life_cap_h = y;
	cl->life_cap_w = x;
}

void
	ft_draw_health_caption(t_cub *cl)
{
	ft_get_hw(cl);
	ft_put_health_caption(cl);
}