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Snake Plugin: Check if File could be opened, if not return

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This commit is contained in:
JuanJakobo
2022-11-14 10:02:59 +01:00
parent 86c8108698
commit 46170549ca
2 changed files with 110 additions and 101 deletions
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applications/plugins/snake_game/helpers/snake_file_handler.c
+108 -99
View File
@@ -48,125 +48,134 @@ static FlipperFormat* snake_game_open_file() {
void snake_game_save_score_to_file(int16_t highscore) {
FlipperFormat* file = snake_game_open_file();
uint32_t temp = highscore;
if(!flipper_format_insert_or_update_uint32(file, SNAKE_GAME_CONFIG_HIGHSCORE, &temp, 1)) {
if(file != NULL) {
uint32_t temp = highscore;
if(!flipper_format_insert_or_update_uint32(file, SNAKE_GAME_CONFIG_HIGHSCORE, &temp, 1)) {
snake_game_close_file(file);
return;
}
snake_game_close_file(file);
return;
}
snake_game_close_file(file);
}
void snake_game_save_game_to_file(SnakeState* const snake_state) {
FlipperFormat* file = snake_game_open_file();
uint32_t temp = snake_state->len;
if(!flipper_format_insert_or_update_uint32(file, SNAKE_GAME_CONFIG_KEY_LEN, &temp, 1)) {
snake_game_close_file(file);
return;
}
if(file != NULL) {
uint32_t temp = snake_state->len;
if(!flipper_format_insert_or_update_uint32(file, SNAKE_GAME_CONFIG_KEY_LEN, &temp, 1)) {
snake_game_close_file(file);
return;
}
uint16_t array_size = snake_state->len * 2;
uint32_t temp_array[array_size];
for(int16_t i = 0, a = 0; a < array_size && i < snake_state->len; i++) {
temp_array[a++] = snake_state->points[i].x;
temp_array[a++] = snake_state->points[i].y;
}
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_POINTS, temp_array, array_size)) {
snake_game_close_file(file);
return;
}
uint16_t array_size = snake_state->len * 2;
uint32_t temp_array[array_size];
for(int16_t i = 0, a = 0; a < array_size && i < snake_state->len; i++) {
temp_array[a++] = snake_state->points[i].x;
temp_array[a++] = snake_state->points[i].y;
}
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_POINTS, temp_array, array_size)) {
snake_game_close_file(file);
return;
}
temp = snake_state->currentMovement;
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_CURRENT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return;
}
temp = snake_state->currentMovement;
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_CURRENT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return;
}
temp = snake_state->nextMovement;
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_NEXT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return;
}
temp = snake_state->nextMovement;
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_NEXT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return;
}
array_size = 2;
uint32_t temp_point_array[array_size];
temp_point_array[0] = snake_state->fruit.x;
temp_point_array[1] = snake_state->fruit.y;
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_FRUIT_POINTS, temp_point_array, array_size)) {
snake_game_close_file(file);
return;
}
array_size = 2;
uint32_t temp_point_array[array_size];
temp_point_array[0] = snake_state->fruit.x;
temp_point_array[1] = snake_state->fruit.y;
if(!flipper_format_insert_or_update_uint32(
file, SNAKE_GAME_CONFIG_KEY_FRUIT_POINTS, temp_point_array, array_size)) {
snake_game_close_file(file);
return;
}
snake_game_close_file(file);
snake_game_close_file(file);
}
}
bool snake_game_init_game_from_file(SnakeState* const snake_state) {
FlipperFormat* file = snake_game_open_file();
FuriString* file_type = furi_string_alloc();
uint32_t version = 1;
if(!flipper_format_read_header(file, file_type, &version)) {
if(file != NULL) {
FuriString* file_type = furi_string_alloc();
uint32_t version = 1;
if(!flipper_format_read_header(file, file_type, &version)) {
furi_string_free(file_type);
snake_game_close_file(file);
return false;
}
furi_string_free(file_type);
uint32_t temp;
snake_state->highscore =
(flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_HIGHSCORE, &temp, 1)) ? temp : 0;
flipper_format_rewind(file);
if(!flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_KEY_LEN, &temp, 1)) {
snake_game_close_file(file);
return false;
}
snake_state->len = temp;
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_LEN);
uint16_t array_size = snake_state->len * 2;
uint32_t temp_array[array_size];
if(!flipper_format_read_uint32(
file, SNAKE_GAME_CONFIG_KEY_POINTS, temp_array, array_size)) {
snake_game_close_file(file);
return false;
}
for(int16_t i = 0, a = 0; a < array_size && i < snake_state->len; i++) {
snake_state->points[i].x = temp_array[a++];
snake_state->points[i].y = temp_array[a++];
}
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_POINTS);
if(!flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_KEY_CURRENT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return false;
}
snake_state->currentMovement = temp;
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_CURRENT_MOVEMENT);
if(!flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_KEY_NEXT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return false;
}
snake_state->nextMovement = temp;
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_NEXT_MOVEMENT);
array_size = 2;
uint32_t temp_point_array[array_size];
if(!flipper_format_read_uint32(
file, SNAKE_GAME_CONFIG_KEY_FRUIT_POINTS, temp_point_array, array_size)) {
snake_game_close_file(file);
return false;
}
snake_state->fruit.x = temp_point_array[0];
snake_state->fruit.y = temp_point_array[1];
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_FRUIT_POINTS);
snake_game_close_file(file);
return false;
}
furi_string_free(file_type);
uint32_t temp;
snake_state->highscore =
(flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_HIGHSCORE, &temp, 1)) ? temp : 0;
flipper_format_rewind(file);
if(!flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_KEY_LEN, &temp, 1)) {
snake_game_close_file(file);
return false;
}
snake_state->len = temp;
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_LEN);
uint16_t array_size = snake_state->len * 2;
uint32_t temp_array[array_size];
if(!flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_KEY_POINTS, temp_array, array_size)) {
snake_game_close_file(file);
return false;
return true;
}
for(int16_t i = 0, a = 0; a < array_size && i < snake_state->len; i++) {
snake_state->points[i].x = temp_array[a++];
snake_state->points[i].y = temp_array[a++];
}
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_POINTS);
if(!flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_KEY_CURRENT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return false;
}
snake_state->currentMovement = temp;
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_CURRENT_MOVEMENT);
if(!flipper_format_read_uint32(file, SNAKE_GAME_CONFIG_KEY_NEXT_MOVEMENT, &temp, 1)) {
snake_game_close_file(file);
return false;
}
snake_state->nextMovement = temp;
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_NEXT_MOVEMENT);
array_size = 2;
uint32_t temp_point_array[array_size];
if(!flipper_format_read_uint32(
file, SNAKE_GAME_CONFIG_KEY_FRUIT_POINTS, temp_point_array, array_size)) {
snake_game_close_file(file);
return false;
}
snake_state->fruit.x = temp_point_array[0];
snake_state->fruit.y = temp_point_array[1];
flipper_format_delete_key(file, SNAKE_GAME_CONFIG_KEY_FRUIT_POINTS);
snake_game_close_file(file);
return true;
return false;
}
applications/plugins/snake_game/helpers/snake_file_handler.h
+2 -2
View File
@@ -4,8 +4,8 @@
#include <furi.h>
#include <flipper_format/flipper_format.h>
#define APPS_DATA EXT_PATH("apps_data")
#define SNAKE_GAME_FILE_DIR_PATH APPS_DATA "/snake_game"
#define APPS_DATA EXT_PATH("apps_data")
#define SNAKE_GAME_FILE_DIR_PATH APPS_DATA "/snake_game"
#define SNAKE_GAME_FILE_PATH SNAKE_GAME_FILE_DIR_PATH "/.snake"
#define SNAKE_GAME_FILE_HEADER "Flipper Snake plugin run file"