Files
draugnorak/src/save_system.nvgt
2026-01-18 11:51:42 -05:00

471 lines
15 KiB
Plaintext

// Save system
const string SAVE_FILE_PATH = "save.dat";
const string SAVE_ENCRYPTION_KEY = "draugnorak_save_v1";
const int SAVE_VERSION = 1;
bool has_save_game() {
return file_exists(SAVE_FILE_PATH);
}
string encrypt_save_data(const string&in rawData) {
return string_aes_encrypt(rawData, SAVE_ENCRYPTION_KEY);
}
string decrypt_save_data(const string&in encryptedData) {
return string_aes_decrypt(encryptedData, SAVE_ENCRYPTION_KEY);
}
bool save_data(const string&in filename, const string&in data) {
if (data.length() == 0) {
return false;
}
file tmp;
if (!tmp.open(filename, "wb")) {
return false;
}
if (tmp.write(data) < data.length()) {
tmp.close();
return false;
}
tmp.close();
return true;
}
bool read_file_string(const string&in filename, string&out data) {
file tmp;
if (!tmp.open(filename, "rb")) {
return false;
}
data = tmp.read();
tmp.close();
return data.length() > 0;
}
double get_number(dictionary@ data, const string&in key, double defaultValue) {
double value;
if (@data == null) return defaultValue;
if (!data.get(key, value)) return defaultValue;
return value;
}
bool get_bool(dictionary@ data, const string&in key, bool defaultValue) {
bool value;
if (@data == null) return defaultValue;
if (!data.get(key, value)) return defaultValue;
return value;
}
string[] get_string_list(dictionary@ data, const string&in key) {
string[] result;
if (@data == null) return result;
if (!data.get(key, result)) return result;
return result;
}
void stop_active_sounds() {
if (day_sound_handle != -1) {
p.destroy_sound(day_sound_handle);
day_sound_handle = -1;
}
if (night_sound_handle != -1) {
p.destroy_sound(night_sound_handle);
night_sound_handle = -1;
}
if (fall_sound_handle != -1) {
p.destroy_sound(fall_sound_handle);
fall_sound_handle = -1;
}
if (sling_sound_handle != -1) {
p.destroy_sound(sling_sound_handle);
sling_sound_handle = -1;
}
}
void clear_world_objects() {
for (uint i = 0; i < world_snares.length(); i++) {
world_snares[i].destroy();
}
world_snares.resize(0);
for (uint i = 0; i < world_fires.length(); i++) {
world_fires[i].destroy();
}
world_fires.resize(0);
for (uint i = 0; i < world_streams.length(); i++) {
world_streams[i].destroy();
}
world_streams.resize(0);
world_firepits.resize(0);
world_herb_gardens.resize(0);
for (uint i = 0; i < trees.length(); i++) {
if (trees[i].sound_handle != -1) {
p.destroy_sound(trees[i].sound_handle);
trees[i].sound_handle = -1;
}
}
trees.resize(0);
clear_zombies();
clear_bandits();
}
void reset_game_state() {
stop_active_sounds();
clear_world_objects();
x = 0;
y = 0;
facing = 1;
jumping = false;
climbing = false;
falling = false;
climb_target_y = 0;
fall_start_y = 0;
sling_charging = false;
searching = false;
player_health = 10;
max_health = 10;
inv_stones = 0;
inv_sticks = 0;
inv_vines = 0;
inv_logs = 0;
inv_clay = 0;
inv_small_game = 0;
inv_small_game_types.resize(0);
inv_meat = 0;
inv_skins = 0;
inv_spears = 0;
inv_snares = 0;
inv_axes = 0;
inv_knives = 0;
inv_fishing_poles = 0;
inv_slings = 0;
spear_equipped = false;
axe_equipped = false;
sling_equipped = false;
MAP_SIZE = 35;
expanded_area_start = -1;
expanded_area_end = -1;
expanded_terrain_types.resize(0);
barricade_health = 0;
barricade_initialized = false;
current_hour = 8;
current_day = 1;
is_daytime = true;
sun_setting_warned = false;
sunrise_warned = false;
area_expanded_today = false;
invasion_active = false;
invasion_start_hour = -1;
walktimer.restart();
jumptimer.restart();
search_timer.restart();
search_delay_timer.restart();
attack_timer.restart();
hour_timer.restart();
fire_damage_timer.restart();
healing_timer.restart();
sling_charge_timer.restart();
fall_timer.restart();
climb_timer.restart();
}
void start_new_game() {
reset_game_state();
spawn_trees(5, 19);
init_barricade();
init_time();
}
string serialize_bool(bool value) {
return value ? "1" : "0";
}
string serialize_tree(Tree@ tree) {
return tree.position + "|" + tree.sticks + "|" + tree.vines + "|" + tree.health + "|" + tree.height + "|" + serialize_bool(tree.depleted) + "|" + serialize_bool(tree.is_chopped) + "|" + tree.minutes_since_depletion;
}
string serialize_snare(WorldSnare@ snare) {
return snare.position + "|" + serialize_bool(snare.has_catch) + "|" + snare.catch_type + "|" + snare.catch_chance + "|" + snare.escape_chance + "|" + serialize_bool(snare.active);
}
string serialize_fire(WorldFire@ fire) {
return fire.position + "|" + fire.fuel_remaining + "|" + serialize_bool(fire.low_fuel_warned);
}
string serialize_stream(WorldStream@ stream) {
return stream.start_position + "|" + stream.get_width();
}
bool save_game_state() {
dictionary saveData;
saveData.set("version", SAVE_VERSION);
saveData.set("player_x", x);
saveData.set("player_y", y);
saveData.set("player_facing", facing);
saveData.set("player_health", player_health);
saveData.set("player_max_health", max_health);
saveData.set("inventory_stones", inv_stones);
saveData.set("inventory_sticks", inv_sticks);
saveData.set("inventory_vines", inv_vines);
saveData.set("inventory_logs", inv_logs);
saveData.set("inventory_clay", inv_clay);
saveData.set("inventory_small_game", inv_small_game);
saveData.set("inventory_meat", inv_meat);
saveData.set("inventory_skins", inv_skins);
saveData.set("inventory_spears", inv_spears);
saveData.set("inventory_snares", inv_snares);
saveData.set("inventory_axes", inv_axes);
saveData.set("inventory_knives", inv_knives);
saveData.set("inventory_fishing_poles", inv_fishing_poles);
saveData.set("inventory_slings", inv_slings);
saveData.set("inventory_small_game_types", inv_small_game_types);
saveData.set("equipment_spear_equipped", spear_equipped);
saveData.set("equipment_axe_equipped", axe_equipped);
saveData.set("equipment_sling_equipped", sling_equipped);
saveData.set("time_current_hour", current_hour);
saveData.set("time_current_day", current_day);
saveData.set("time_is_daytime", is_daytime);
saveData.set("time_sun_setting_warned", sun_setting_warned);
saveData.set("time_sunrise_warned", sunrise_warned);
saveData.set("time_area_expanded_today", area_expanded_today);
saveData.set("time_invasion_active", invasion_active);
saveData.set("time_invasion_start_hour", invasion_start_hour);
saveData.set("world_map_size", MAP_SIZE);
saveData.set("world_expanded_area_start", expanded_area_start);
saveData.set("world_expanded_area_end", expanded_area_end);
saveData.set("world_barricade_initialized", barricade_initialized);
saveData.set("world_barricade_health", barricade_health);
saveData.set("world_expanded_terrain_types", expanded_terrain_types);
string[] treeData;
for (uint i = 0; i < trees.length(); i++) {
treeData.insert_last(serialize_tree(trees[i]));
}
saveData.set("trees_data", treeData);
string[] snareData;
for (uint i = 0; i < world_snares.length(); i++) {
snareData.insert_last(serialize_snare(world_snares[i]));
}
saveData.set("snares_data", snareData);
string[] fireData;
for (uint i = 0; i < world_fires.length(); i++) {
fireData.insert_last(serialize_fire(world_fires[i]));
}
saveData.set("fires_data", fireData);
string[] firepitPositions;
for (uint i = 0; i < world_firepits.length(); i++) {
firepitPositions.insert_last("" + world_firepits[i].position);
}
saveData.set("firepits_positions", firepitPositions);
string[] herbPositions;
for (uint i = 0; i < world_herb_gardens.length(); i++) {
herbPositions.insert_last("" + world_herb_gardens[i].position);
}
saveData.set("herb_gardens_positions", herbPositions);
string[] streamData;
for (uint i = 0; i < world_streams.length(); i++) {
streamData.insert_last(serialize_stream(world_streams[i]));
}
saveData.set("streams_data", streamData);
string rawData = saveData.serialize();
string encryptedData = encrypt_save_data(rawData);
return save_data(SAVE_FILE_PATH, encryptedData);
}
bool load_game_state() {
if (!file_exists(SAVE_FILE_PATH)) {
return false;
}
string encryptedData;
if (!read_file_string(SAVE_FILE_PATH, encryptedData)) {
return false;
}
string rawData = decrypt_save_data(encryptedData);
if (rawData.length() == 0) {
return false;
}
dictionary@ saveData = deserialize(rawData);
if (@saveData == null) {
return false;
}
reset_game_state();
MAP_SIZE = int(get_number(saveData, "world_map_size", 35));
expanded_area_start = int(get_number(saveData, "world_expanded_area_start", -1));
expanded_area_end = int(get_number(saveData, "world_expanded_area_end", -1));
string[] loadedTerrain = get_string_list(saveData, "world_expanded_terrain_types");
expanded_terrain_types.resize(0);
for (uint i = 0; i < loadedTerrain.length(); i++) {
expanded_terrain_types.insert_last(loadedTerrain[i]);
}
barricade_initialized = get_bool(saveData, "world_barricade_initialized", true);
barricade_health = int(get_number(saveData, "world_barricade_health", BARRICADE_BASE_HEALTH));
if (!barricade_initialized) {
init_barricade();
} else {
if (barricade_health < 0) barricade_health = 0;
if (barricade_health > BARRICADE_MAX_HEALTH) barricade_health = BARRICADE_MAX_HEALTH;
}
x = int(get_number(saveData, "player_x", 0));
y = int(get_number(saveData, "player_y", 0));
facing = int(get_number(saveData, "player_facing", 1));
player_health = int(get_number(saveData, "player_health", 10));
max_health = int(get_number(saveData, "player_max_health", 10));
if (x < 0) x = 0;
if (x >= MAP_SIZE) x = MAP_SIZE - 1;
if (y < 0) y = 0;
if (facing != 0 && facing != 1) facing = 1;
inv_stones = int(get_number(saveData, "inventory_stones", 0));
inv_sticks = int(get_number(saveData, "inventory_sticks", 0));
inv_vines = int(get_number(saveData, "inventory_vines", 0));
inv_logs = int(get_number(saveData, "inventory_logs", 0));
inv_clay = int(get_number(saveData, "inventory_clay", 0));
inv_small_game = int(get_number(saveData, "inventory_small_game", 0));
inv_meat = int(get_number(saveData, "inventory_meat", 0));
inv_skins = int(get_number(saveData, "inventory_skins", 0));
inv_spears = int(get_number(saveData, "inventory_spears", 0));
inv_snares = int(get_number(saveData, "inventory_snares", 0));
inv_axes = int(get_number(saveData, "inventory_axes", 0));
inv_knives = int(get_number(saveData, "inventory_knives", 0));
inv_fishing_poles = int(get_number(saveData, "inventory_fishing_poles", 0));
inv_slings = int(get_number(saveData, "inventory_slings", 0));
string[] loadedSmallGameTypes = get_string_list(saveData, "inventory_small_game_types");
inv_small_game_types.resize(0);
for (uint i = 0; i < loadedSmallGameTypes.length(); i++) {
inv_small_game_types.insert_last(loadedSmallGameTypes[i]);
}
if (inv_small_game_types.length() == 0 && inv_small_game > 0) {
for (int i = 0; i < inv_small_game; i++) {
inv_small_game_types.insert_last("small game");
}
} else {
inv_small_game = inv_small_game_types.length();
}
spear_equipped = get_bool(saveData, "equipment_spear_equipped", false);
axe_equipped = get_bool(saveData, "equipment_axe_equipped", false);
sling_equipped = get_bool(saveData, "equipment_sling_equipped", false);
current_hour = int(get_number(saveData, "time_current_hour", 8));
current_day = int(get_number(saveData, "time_current_day", 1));
sun_setting_warned = get_bool(saveData, "time_sun_setting_warned", false);
sunrise_warned = get_bool(saveData, "time_sunrise_warned", false);
area_expanded_today = get_bool(saveData, "time_area_expanded_today", false);
invasion_active = get_bool(saveData, "time_invasion_active", false);
invasion_start_hour = int(get_number(saveData, "time_invasion_start_hour", -1));
if (current_hour < 0) current_hour = 0;
if (current_hour > 23) current_hour = 23;
if (current_day < 1) current_day = 1;
is_daytime = (current_hour >= 6 && current_hour < 19);
hour_timer.restart();
string[] treeData = get_string_list(saveData, "trees_data");
for (uint i = 0; i < treeData.length(); i++) {
string[]@ parts = treeData[i].split("|");
if (parts.length() < 8) continue;
int pos = parse_int(parts[0]);
Tree@ tree = Tree(pos);
tree.sticks = parse_int(parts[1]);
tree.vines = parse_int(parts[2]);
tree.health = parse_int(parts[3]);
tree.height = parse_int(parts[4]);
tree.depleted = (parse_int(parts[5]) == 1);
tree.is_chopped = (parse_int(parts[6]) == 1);
tree.minutes_since_depletion = parse_int(parts[7]);
tree.regen_timer.restart();
trees.insert_last(tree);
}
string[] snareData = get_string_list(saveData, "snares_data");
for (uint i = 0; i < snareData.length(); i++) {
string[]@ parts = snareData[i].split("|");
if (parts.length() < 6) continue;
int pos = parse_int(parts[0]);
WorldSnare@ snare = WorldSnare(pos);
snare.has_catch = (parse_int(parts[1]) == 1);
snare.catch_type = parts[2];
snare.catch_chance = parse_int(parts[3]);
snare.escape_chance = parse_int(parts[4]);
snare.active = (parse_int(parts[5]) == 1);
snare.minute_timer.restart();
world_snares.insert_last(snare);
}
string[] fireData = get_string_list(saveData, "fires_data");
for (uint i = 0; i < fireData.length(); i++) {
string[]@ parts = fireData[i].split("|");
if (parts.length() < 3) continue;
int pos = parse_int(parts[0]);
WorldFire@ fire = WorldFire(pos);
fire.fuel_remaining = parse_int(parts[1]);
fire.low_fuel_warned = (parse_int(parts[2]) == 1);
fire.fuel_timer.restart();
world_fires.insert_last(fire);
}
string[] firepitPositions = get_string_list(saveData, "firepits_positions");
for (uint i = 0; i < firepitPositions.length(); i++) {
add_world_firepit(parse_int(firepitPositions[i]));
}
string[] herbPositions = get_string_list(saveData, "herb_gardens_positions");
for (uint i = 0; i < herbPositions.length(); i++) {
add_world_herb_garden(parse_int(herbPositions[i]));
}
string[] streamData = get_string_list(saveData, "streams_data");
for (uint i = 0; i < streamData.length(); i++) {
string[]@ parts = streamData[i].split("|");
if (parts.length() < 2) continue;
int startPos = parse_int(parts[0]);
int width = parse_int(parts[1]);
if (width < 1) width = 1;
add_world_stream(startPos, width);
}
update_ambience(true);
return true;
}