cub3d/src/main.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kcolin <kcolin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/07/17 14:14:30 by kcolin            #+#    #+#             */
/*   Updated: 2025/09/17 16:55:39 by tchampio         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../libft/includes/libft.h"
#include "../mlx/mlx.h"
#include "consts.h"
#include "cub3d_data.h"
#include "player/move.h"
#include "draw/draw_map.h"
#include "raycast/raycaster.h"
#include "renderer/render.h"
#include "raycast/ray.h"
#include "sprites/sprite_caster.h"
#include "utils/inits.h"
#include "utils/frees.h"
#include "utils/hooks.h"
#include "utils/inits.h"
#include <bits/types/struct_timeval.h>
#include <stdbool.h>
#include <X11/keysym.h>
#include <X11/X.h>
#include <unistd.h>
#include <fcntl.h>
#include "utils/time.h"
#include "sprites/move_sprites.h"
#include "hud/hud.h"

void	kill_zombie(t_cub3d_data *data, t_sprite *zombie_ptr)
{
	mlx_destroy_image(data->mlx, zombie_ptr->image->img);
	free(zombie_ptr->image);
	zombie_ptr->sprite_type = DEAD_ZOMBIE;
	data->player.points += 60;
}

void	handle_shooting(t_cub3d_data *data)
{
	if (data->keypresses.is_space_pressed)
	{
		if (!data->player.weapon->is_auto)
			data->keypresses.is_space_pressed = false;
		if (data->last_since_shoot != 0 && data->player.weapon->is_auto)
		{
			if (get_milliseconds() - data->last_since_shoot < 50000)
				return ;
		}
		if (data->player.weapon->clip <= 0 && data->player.weapon->remaining_ammos > 0)
		{
			ft_printf("reloading\n");
			if (data->player.weapon->remaining_ammos < 8)
			{
				data->player.weapon->clip = data->player.weapon->remaining_ammos;
				data->player.weapon->remaining_ammos = 0;
			}
			else
			{
				data->player.weapon->clip = 8;
				data->player.weapon->remaining_ammos -= 8;
			}
		}
		if (data->player.weapon->clip <= 0)
			return ;
		data->player.weapon->is_shooting = true;
		data->last_since_shoot = get_milliseconds();
		data->player.weapon->clip--;
		if (data->player.aimed_zombie)
		{
			data->player.aimed_zombie->health -= 32;
			data->player.points += 10;
			ft_printf("Shooting %p, now at %d HP %d/%d\n", data->player.aimed_zombie,
				data->player.aimed_zombie->health, data->player.weapon->clip, data->player.weapon->remaining_ammos);
			if (data->player.aimed_zombie->health <= 0)
				kill_zombie(data, data->player.aimed_zombie);
		}
		else
			ft_printf("Shoot! %d/%d\n", data->player.weapon->clip, data->player.weapon->remaining_ammos);
	}
}

int	game_loop(t_cub3d_data *data)
{
	t_ray	ray;
	int		fps;
	char	fps_string[4];

	data->last_tick = get_milliseconds();
	reset_matrix(data);
	move_player(data);
	handle_shooting(data);
	move_sprites(data);
	data->player.aimed_zombie = NULL;
	raycaster(data, &ray);
	sprite_caster(data);
	create_hud(data);
	if (data->player.weapon->is_shooting)
	{
		if (get_milliseconds() - data->last_since_shoot > 7000)
			data->player.weapon->is_shooting = false;
	}
	matrix_to_image(data);
	mlx_put_image_to_window(data->mlx, data->mlx_win,
		data->img_data->img, 0, 0);
	draw_map(data->map, &data->player, data->img_data);
	mlx_string_put(data->mlx, data->mlx_win, 10, 10, 0x00FFFFFF, COMPILED_TEXT);
	data->delta = (get_milliseconds() - data->last_tick);
	fps = 1000000.0 / data->delta;
	ft_itoa_static(fps, fps_string, 4);
	mlx_string_put(data->mlx, data->mlx_win, WIDTH - 20, 15, 0xFF0000,
		fps_string);
	return (0);
}

int	good_bye(void *data)
{
	destroy(data, 0);
	return (0);
}

int	main(int argc, char **argv)
{
	t_cub3d_data	data;

	ft_printf("Cub3d - Call of Duty Zombies shareware edition. Credits to "
		"\e[0;32mkcolin\e[0m, \e[0;32mB.\e[0m (for some textures) and "
		"\e[0;32mtchampio\e[0m\n");
	if (argc < 2)
		return (ft_printf("Error: Missing cub3d file\n"), 1);
	init_cub3d_data(&data, argv);
	mlx_hook(data.mlx_win, KeyPress, KeyPressMask, keypress_handler, &data);
	mlx_hook(data.mlx_win, KeyRelease, KeyReleaseMask,
		keyrelease_handler, &data);
	mlx_hook(data.mlx_win, DestroyNotify, NoEventMask, good_bye, &data);
	mlx_loop_hook(data.mlx, game_loop, &data);
	mlx_loop(data.mlx);
}