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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_draw_sprite_extra.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/24 20:22:45 by rbousset #+# #+# */
/* Updated: 2020/03/09 18:56:01 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <cub3d.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
void
ft_sprite_height(t_cub *cl, t_sprite *sprite)
{
sprite->spriteheight = abs((int)(cl->wlist.y_size / (sprite->transformy)));
sprite->drawstarty = -sprite->spriteheight / 2 + cl->wlist.y_size / 2;
if (sprite->drawstarty < 0)
sprite->drawstarty = 0;
sprite->drawendy = sprite->spriteheight / 2 + cl->wlist.y_size / 2;
if (sprite->drawendy >= (int)cl->wlist.y_size)
sprite->drawendy = cl->wlist.y_size - 1;
}
void
ft_sprite_width(t_cub *cl, t_sprite *sprite)
{
sprite->spritewidth = abs((int)(cl->wlist.x_size / (sprite->transformy)));
sprite->drawstartx = -sprite->spritewidth / 2 + sprite->spritescreenx;
if (sprite->drawstartx < 0)
sprite->drawstartx = 0;
sprite->drawendx = sprite->spritewidth / 2 + sprite->spritescreenx;
if (sprite->drawendx >= (int)cl->wlist.x_size)
sprite->drawendx = cl->wlist.x_size - 1;
}
void
ft_calc_sprite(t_cub *cl)
{
t_sprite sprite;
int32_t i;
int32_t j;
i = 0;
j = 0;
printf("%d\n", cl->sprites[0][0].s_pos_x);
printf("%d\n", cl->sprites[1][0].s_pos_x);
printf("%d\n", cl->sprites[2][0].s_pos_x);
printf("%d\n", cl->sprites[3][0].s_pos_x);
cl->sprites[2][0].s_pos_x = 4;
cl->sprites[2][0].s_pos_y = 3;
while (j < cl->mlist.sprite_var)
{
while (i < cl->mlist.sprite_nbr)
{
sprite = cl->sprites[j][i];
sprite.current_sprite = (j == 0) ? 4 : j + 7;
/* printf("j :%d curr : %d\n", j, sprite.current_sprite); */
sprite.spritey = sprite.s_pos_x - (cl->plist.pos_x - 0.5);
sprite.spritex = sprite.s_pos_y - (cl->plist.pos_y - 0.5);
sprite.invdet = 1.0 / (cl->plist.plane_x * cl->plist.dir_y
- cl->plist.dir_x * cl->plist.plane_y);
sprite.transformx = sprite.invdet * (cl->plist.dir_y * sprite.spritex
- cl->plist.dir_x * sprite.spritey);
sprite.transformy = sprite.invdet * (-cl->plist.plane_y * sprite.spritex
+ cl->plist.plane_x * sprite.spritey);
sprite.spritescreenx = (int)(cl->wlist.x_size / 2) *
(1 + sprite.transformx / sprite.transformy);
ft_sprite_height(cl, &sprite);
ft_sprite_width(cl, &sprite);
ft_draw_sprite(cl, &sprite);
i++;
}
i = 0;
j++;
}
}
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