diff --git a/src/game/file_io.c b/src/game/file_io.c index 2da7b51ce4..4329afb67a 100644 --- a/src/game/file_io.c +++ b/src/game/file_io.c @@ -80,6 +80,7 @@ static struct { int num_pieces; file_piece pieces[10]; scenario_state state; + char last_loaded_scenario[FILE_NAME_MAX]; } scenario_data = {0}; typedef struct { @@ -196,12 +197,20 @@ static buffer *create_savegame_piece(int size, int compressed) return &piece->buf; } +static int reset_scenario_pieces(void) +{ + if (scenario_data.num_pieces == 0) { + return 0; + } + for (int i = 0; i < scenario_data.num_pieces; i++) { + buffer_reset(&scenario_data.pieces[i].buf); + } + return 1; +} + static void init_scenario_data(void) { - if (scenario_data.num_pieces > 0) { - for (int i = 0; i < scenario_data.num_pieces; i++) { - buffer_reset(&scenario_data.pieces[i].buf); - } + if (reset_scenario_pieces()) { return; } scenario_state *state = &scenario_data.state; @@ -506,9 +515,8 @@ static void savegame_save_to_state(savegame_state *state) buffer_skip(state->end_marker, 284); } -int game_file_io_read_scenario(const char *filename) +static int load_scenario_to_buffers(const char *filename) { - log_info("Loading scenario", filename, 0); init_scenario_data(); FILE *fp = file_open(dir_get_file(filename, NOT_LOCALIZED), "rb"); if (!fp) { @@ -523,27 +531,31 @@ int game_file_io_read_scenario(const char *filename) } } file_close(fp); + return 1; +} +int game_file_io_read_scenario(const char *filename) +{ + log_info("Loading scenario", filename, 0); + if (strcmp(scenario_data.last_loaded_scenario, filename) != 0) { + if (!load_scenario_to_buffers(filename)) { + return 0; + } + } scenario_load_from_state(&scenario_data.state); + scenario_data.last_loaded_scenario[0] = 0; return 1; } int game_file_io_read_scenario_info(const char *filename, scenario_info *info) { - init_scenario_data(); - FILE *fp = file_open(dir_get_file(filename, NOT_LOCALIZED), "rb"); - if (!fp) { - return 0; - } - for (int i = 0; i < scenario_data.num_pieces; i++) { - size_t read_size = fread(scenario_data.pieces[i].buf.data, 1, scenario_data.pieces[i].buf.size, fp); - if (read_size != scenario_data.pieces[i].buf.size) { - log_error("Unable to load scenario", filename, 0); - file_close(fp); + if (strcmp(scenario_data.last_loaded_scenario, filename) != 0) { + if (!load_scenario_to_buffers(filename)) { return 0; } } - file_close(fp); + + strncpy(scenario_data.last_loaded_scenario, filename, FILE_NAME_MAX - 1); const scenario_state *state = &scenario_data.state; @@ -574,6 +586,8 @@ int game_file_io_read_scenario_info(const char *filename, scenario_info *info) info->minimap_image = game_file_minimap_create(&minimap_buffers); info->map_size = minimap_buffers.grid_width; + reset_scenario_pieces(); + return 1; }