/* misc.c */
#include "misc.h"
+#include <stdio.h> /* for rename() */
+#include <unistd.h> /* for unlink(), acess() */
#include <stdlib.h> /* for calloc(), free() */
#include <string.h> /* for strlen(), strcmp(), memcpy() */
#include <stdint.h> /* for uint8_t */
extern void turn_over(struct World * world, char action)
{
+ char * err_open = "Trouble in turn_over() with fopen() "
+ "opening file 'record_tmp' for appending.";
+ char * err_write = "Trouble in turn_over() with write_uint8() "
+ "writing to opened file 'record_tmp'.";
+ char * err_close = "Trouble in turn_over() with fclose() "
+ "closing opened file 'record_tmp'.";
+ char * err_unl = "Trouble in turn_over() with unlink() "
+ "unlinking old file 'record'.";
+ char * err_move = "Trouble in turn_over() with rename() "
+ "renaming file 'record_tmp' to 'record'.";
+ char * recordfile_tmp = "record_tmp";
+ char * recordfile = "record";
if (1 == world->interactive)
{
- FILE * file = fopen("record", "a");
- exit_err(write_uint8(action, file), world, "Record writing failure.");
- fclose(file);
+ FILE * file = fopen(recordfile_tmp, "a");
+ exit_err(0 == file, world, err_open);
+ exit_err(write_uint8(action, file), world, err_write);
+ exit_err(fclose(file), world, err_close);
+ exit_err(unlink(recordfile), world, err_unl);
+ exit_err(rename(recordfile_tmp, recordfile), world, err_move);
}
+
world->turn++;
rrand_seed(world->seed * world->turn);
struct Monster * monster;
extern void save_game(struct World * world)
{
- char * err_msg = "Error saving game.";
-
- FILE * file = fopen("savefile", "w");
- exit_err(0 == file, world, err_msg);
-
- uint8_t err;
- err = write_uint32_bigendian(world->seed, file);
- err = err | write_uint32_bigendian(world->turn, file);
- err = err | write_uint16_bigendian(world->player->pos.y + 1, file);
- err = err | write_uint16_bigendian(world->player->pos.x + 1, file);
- err = err | write_uint8(world->player->hitpoints, file);
- err = err | write_map_objects(world, world->monster, file);
- err = err | write_map_objects(world, world->item, file);
- exit_err(err, world, err_msg);
- fclose(file);
+ char * err_open = "Trouble in save_game() with fopen() "
+ "opening file 'savefile_tmp' for writing.";
+ char * err_write = "Trouble in save_game() "
+ "writing to opened file 'savefile_tmp'.";
+ char * err_close = "Trouble in save_game() with fclose() "
+ "closing opened file 'savefile_tmp'.";
+ char * err_unl = "Trouble in save_game() with unlink() "
+ "unlinking old 'savefile' file.";
+ char * err_move = "Trouble in save_game() with rename() "
+ "renaming 'file savefile_tmp' to 'savefile'.";
+ char * savefile_tmp = "savefile_tmp";
+ char * savefile = "savefile";
+ FILE * file = fopen(savefile_tmp, "w");
+ exit_err(0 == file, world, err_open);
+ if ( write_uint32_bigendian(world->seed, file)
+ || write_uint32_bigendian(world->turn, file)
+ || write_uint16_bigendian(world->score, file)
+ || write_uint16_bigendian(world->player->pos.y + 1, file)
+ || write_uint16_bigendian(world->player->pos.x + 1, file)
+ || write_uint8(world->player->hitpoints, file)
+ || write_map_objects(world, world->monster, file)
+ || write_map_objects(world, world->item, file))
+ {
+ exit_err(1, world, err_write);
+ }
+ exit_err(fclose(file), world, err_close);
+ if (!access(savefile, F_OK))
+ {
+ exit_err(unlink(savefile), world, err_unl);
+ }
+ exit_err(rename(savefile_tmp, savefile), world, err_move);
}
-extern void toggle_window(struct WinMeta * win_meta, struct Win * win)
+extern uint8_t toggle_window(struct WinMeta * win_meta, struct Win * win)
{
if (0 != win->frame.curses_win)
{
- suspend_win(win_meta, win);
+ return suspend_win(win_meta, win);
}
else
{
- append_win(win_meta, win);
+ return append_win(win_meta, win);
}
}
-extern void growshrink_active_window(struct WinMeta * win_meta, char change)
+extern uint8_t growshrink_active_window(struct WinMeta * win_meta, char change)
{
if (0 != win_meta->active)
{
{
size.x++;
}
- resize_active_win (win_meta, size);
+ return resize_active_win (win_meta, size);
}
+ return 0;
}
struct Win * win_map, struct Win * win_info,
struct Win * win_log)
{
+ char * err_toggle = "Trouble with toggle_window() in meta_keys().";
+ char * err_shift = "Trouble with shift_active_win() in meta_keys().";
+ char * err_resize = "Trouble with growshrink_active_window() in "
+ "meta_keys().";
if (key == get_action_key(world->keybindings, "quit"))
{
return 1;
}
else if (key == get_action_key(world->keybindings, "toggle keys window"))
{
- toggle_window(win_meta, win_keys);
+ exit_err(toggle_window(win_meta, win_keys), world, err_toggle);
}
else if (key == get_action_key(world->keybindings, "toggle map window"))
{
- toggle_window(win_meta, win_map);
+ exit_err(toggle_window(win_meta, win_map), world, err_toggle);
}
else if (key == get_action_key(world->keybindings, "toggle info window"))
{
- toggle_window(win_meta, win_info);
+ exit_err(toggle_window(win_meta, win_info), world, err_toggle);
}
else if (key == get_action_key(world->keybindings, "toggle log window"))
{
- toggle_window(win_meta, win_log);
+ exit_err(toggle_window(win_meta, win_log), world, err_toggle);
}
else if (key == get_action_key(world->keybindings, "cycle forwards"))
{
- cycle_active_win(win_meta, 'n');
+ cycle_active_win(win_meta, 'f');
}
else if (key == get_action_key(world->keybindings, "cycle backwards"))
{
- cycle_active_win(win_meta, 'p');
+ cycle_active_win(win_meta, 'b');
}
else if (key == get_action_key(world->keybindings, "shift forwards"))
{
- shift_active_win(win_meta, 'f');
+ exit_err(shift_active_win(win_meta, 'f'), world, err_shift);
}
else if (key == get_action_key(world->keybindings, "shift backwards"))
{
- shift_active_win(win_meta, 'b');
+ exit_err(shift_active_win(win_meta, 'b'), world, err_shift);
}
else if (key == get_action_key(world->keybindings, "grow horizontally"))
{
- growshrink_active_window(win_meta, '*');
+ exit_err(growshrink_active_window(win_meta, '*'), world, err_resize);
}
else if (key == get_action_key(world->keybindings, "shrink horizontally"))
{
- growshrink_active_window(win_meta, '_');
+ exit_err(growshrink_active_window(win_meta, '_'), world, err_resize);
}
else if (key == get_action_key(world->keybindings, "grow vertically"))
{
- growshrink_active_window(win_meta, '+');
+ exit_err(growshrink_active_window(win_meta, '+'), world, err_resize);
}
else if (key == get_action_key(world->keybindings, "shrink vertically"))
{
- growshrink_active_window(win_meta, '-');
+ exit_err(growshrink_active_window(win_meta, '-'), world, err_resize);
}
else if (key == get_action_key(world->keybindings, "save keys"))
{
projects / plomrogue / blobdiff