Weapons sprites do draw

1 files changed, 43 insertions, 0 deletions

diff --git a/src/ft_draw_weapons_extra.c b/src/ft_draw_weapons_extra.c
new file mode 100644
index 0000000..04b61ea
--- /dev/null
+++ b/src/ft_draw_weapons_extra.c
@@ -0,0 +1,43 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_draw_weapons_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 <stdlib.h>
+
+static void
+	ft_calc_weapon(uint8_t id, t_cub *cl)
+{
+	t_sprite	sprite;
+
+	sprite = cl->weaps[id][0];
+	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_h_w(cl, &sprite);
+	ft_draw_weapon(cl, &sprite);
+}
+
+void
+	ft_calc_weaps(t_cub *cl)
+{
+	ft_calc_weapon(0, cl);
+	ft_calc_weapon(1, cl);
+}