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/*
* Copyright (c) 2024 Richard Braun.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE
* FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*
* Embedded invaders.
*/
#ifndef EI_H
#define EI_H
#include <stdbool.h>
#include <stdint.h>
#include "eetg.h"
#define EI_FPS 50
#define EI_NR_ALIEN_GROUPS 5
#define EI_ALIEN_GROUP_SIZE 10
#define EI_ALIEN_WIDTH 3
#define EI_STATE_INTRO 0
#define EI_STATE_PREPARED 1
#define EI_STATE_PLAYING 2
#define EI_STATE_GAME_OVER 3
struct ei_bunker {
struct eetg_object object;
char sprite[33];
};
struct ei_alien {
struct eetg_object object;
};
struct ei_alien_group {
struct ei_alien aliens[EI_ALIEN_GROUP_SIZE];
const char *sprites[2];
char sprite[EI_ALIEN_WIDTH + 2];
int8_t sprite_index;
};
struct ei_game {
struct eetg_world world;
struct eetg_object title;
struct eetg_object help;
struct eetg_object start;
struct eetg_object player;
struct eetg_object player_missile;
struct ei_bunker bunkers[4];
struct ei_alien_group aliens[EI_NR_ALIEN_GROUPS];
struct eetg_object alien_missile;
struct eetg_object ufo;
struct eetg_object status;
struct eetg_object end_title;
int score;
int8_t sync_counter_reload;
int8_t sync_counter;
int8_t nr_lives;
int8_t player_missile_counter_reload;
int8_t player_missile_counter;
int8_t aliens_speed_counter_reload;
int8_t aliens_speed_counter;
int8_t first_alien_missile_counter;
int8_t alien_missile_counter_reload;
int8_t alien_missile_counter;
int8_t ufo_counter_reload;
int8_t ufo_counter;
int8_t nr_dead_aliens;
int8_t state;
bool aliens_move_left;
bool aliens_move_down;
bool ufo_moves_left;
char status_sprite[32];
};
void ei_game_init(struct ei_game *game, eetg_write_fn write_fn, void *arg);
bool ei_game_process(struct ei_game *game, int8_t c);
#endif /* EI_H */
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