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OpenRCT2/src/config.c

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/*****************************************************************************
* Copyright (c) 2014 Ted John
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* This file is part of OpenRCT2.
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#include <stdio.h>
#include <SDL_keycode.h>
#include <ctype.h>
#include "addresses.h"
#include "config.h"
#include "localisation/localisation.h"
#include "platform/osinterface.h"
// Current keyboard shortcuts
uint16 gShortcutKeys[SHORTCUT_COUNT];
// Magic number for original game cfg file
static const int MagicNumber = 0x0003113A;
// Default keyboard shortcuts
static const uint16 _defaultShortcutKeys[SHORTCUT_COUNT] = {
SDL_SCANCODE_BACKSPACE, // SHORTCUT_CLOSE_TOP_MOST_WINDOW
0x0100 | SDL_SCANCODE_BACKSPACE, // SHORTCUT_CLOSE_ALL_FLOATING_WINDOWS
SDL_SCANCODE_ESCAPE, // SHORTCUT_CANCEL_CONSTRUCTION_MODE
SDL_SCANCODE_PAUSE, // SHORTCUT_PAUSE_GAME
SDL_SCANCODE_PAGEUP, // SHORTCUT_ZOOM_VIEW_OUT
SDL_SCANCODE_PAGEDOWN, // SHORTCUT_ZOOM_VIEW_IN
SDL_SCANCODE_RETURN, // SHORTCUT_ROTATE_VIEW
SDL_SCANCODE_Z, // SHORTCUT_ROTATE_CONSTRUCTION_OBJECT
SDL_SCANCODE_1, // SHORTCUT_UNDERGROUND_VIEW_TOGGLE
SDL_SCANCODE_H, // SHORTCUT_REMOVE_BASE_LAND_TOGGLE
SDL_SCANCODE_V, // SHORTCUT_REMOVE_VERTICAL_LAND_TOGGLE
SDL_SCANCODE_3, // SHORTCUT_SEE_THROUGH_RIDES_TOGGLE
SDL_SCANCODE_4, // SHORTCUT_SEE_THROUGH_SCENERY_TOGGLE
SDL_SCANCODE_5, // SHORTCUT_INVISIBLE_SUPPORTS_TOGGLE
SDL_SCANCODE_6, // SHORTCUT_INVISIBLE_PEOPLE_TOGGLE
SDL_SCANCODE_8, // SHORTCUT_HEIGHT_MARKS_ON_LAND_TOGGLE
SDL_SCANCODE_9, // SHORTCUT_HEIGHT_MARKS_ON_RIDE_TRACKS_TOGGLE
SDL_SCANCODE_0, // SHORTCUT_HEIGHT_MARKS_ON_PATHS_TOGGLE
SDL_SCANCODE_F1, // SHORTCUT_ADJUST_LAND
SDL_SCANCODE_F2, // SHORTCUT_ADJUST_WATER
SDL_SCANCODE_F3, // SHORTCUT_BUILD_SCENERY
SDL_SCANCODE_F4, // SHORTCUT_BUILD_PATHS
SDL_SCANCODE_F5, // SHORTCUT_BUILD_NEW_RIDE
SDL_SCANCODE_F, // SHORTCUT_SHOW_FINANCIAL_INFORMATION
SDL_SCANCODE_D, // SHORTCUT_SHOW_RESEARCH_INFORMATION
SDL_SCANCODE_R, // SHORTCUT_SHOW_RIDES_LIST
SDL_SCANCODE_P, // SHORTCUT_SHOW_PARK_INFORMATION
SDL_SCANCODE_G, // SHORTCUT_SHOW_GUEST_LIST
SDL_SCANCODE_S, // SHORTCUT_SHOW_STAFF_LIST
SDL_SCANCODE_M, // SHORTCUT_SHOW_RECENT_MESSAGES
SDL_SCANCODE_TAB, // SHORTCUT_SHOW_MAP
0x0200 | SDL_SCANCODE_S, // SHORTCUT_SCREENSHOT
// New
SDL_SCANCODE_MINUS, // SHORTCUT_REDUCE_GAME_SPEED,
SDL_SCANCODE_EQUALS // SHORTCUT_INCREASE_GAME_SPEED,
};
general_configuration_t gGeneral_config;
general_configuration_t gGeneral_config_default = {
0, // play_intro
1, // confirmation_prompt
SCREENSHOT_FORMAT_PNG, // screenshot_format
"", // game_path
MEASUREMENT_FORMAT_IMPERIAL, // measurement_format
TEMPERATURE_FORMAT_F, // temperature_format
CURRENCY_POUNDS, // currency_format
0, // construction_marker_colour
1, // edge_scrolling
0, // always_show_gridlines
1, // landscape_smoothing
0, // show_height_as_units
1, // save_plugin_data
0, // fullscreen mode (default: windowed)
-1, // window_width
-1, // window_height
LANGUAGE_ENGLISH_UK // language
};
sound_configuration_t gSound_config;
static char *config_show_directory_browser();
static void config_parse_settings(FILE *fp);
static void config_general(char *setting, char *value);
static void config_sound(char *setting, char *value);
static int config_get_line(FILE *fp, char *setting, char *value);
static int config_parse_setting(FILE *fp, char *setting);
static int config_parse_value(FILE *fp, char *value);
static int config_parse_section(FILE *fp, char *setting, char *value);
static void config_create_default(char *path);
static int config_parse_currency(char* currency);
static void config_error(char *msg);
void config_save_ini(char *path);
void config_write_ini_general(FILE *fp);
void config_write_ini_sound(FILE *fp);
/**
*
* rct2: 0x006E3604
*/
void config_reset_shortcut_keys()
{
memcpy(gShortcutKeys, _defaultShortcutKeys, sizeof(gShortcutKeys));
}
/**
* Reads the config file data/config.cfg
* rct2: 0x006752D5
*/
void config_load()
{
FILE *fp=NULL;
const char *path = get_file_path(PATH_ID_GAMECFG);
fp = fopen(path, "rb");
if (fp != NULL) {
// Read and check magic number
fread(RCT2_ADDRESS(0x013CE928, void), 1, 4, fp);
if (RCT2_GLOBAL(0x013CE928, int) == MagicNumber) {
// Read options
fread((void*)0x009AAC5C, 1, 2155, fp);
fclose(fp);
//general configuration
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_EDGE_SCROLLING, sint8) = gGeneral_config.edge_scrolling;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_CURRENCY, sint8) = gGeneral_config.currency_format;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_METRIC, sint8) = gGeneral_config.measurement_format;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_TEMPERATURE, sint8) = gGeneral_config.temperature_format;
// always show gridlines
if (gGeneral_config.always_show_gridlines){
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) |= CONFIG_FLAG_ALWAYS_SHOW_GRIDLINES;
}
else {
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) &= !CONFIG_FLAG_ALWAYS_SHOW_GRIDLINES;
}
// landscape smoothing
if (!gGeneral_config.landscape_smoothing){
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) |= CONFIG_FLAG_DISABLE_SMOOTH_LANDSCAPE;
}
else {
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) &= !CONFIG_FLAG_DISABLE_SMOOTH_LANDSCAPE;
}
// show height as units
if (gGeneral_config.show_height_as_units){
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) |= CONFIG_FLAG_SHOW_HEIGHT_AS_UNITS;
}
else {
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) &= !CONFIG_FLAG_SHOW_HEIGHT_AS_UNITS;
}
// save plugin data
if (gGeneral_config.save_plugin_data){
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) |= CONFIG_FLAG_SAVE_PLUGIN_DATA;
}
else {
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) &= !CONFIG_FLAG_SAVE_PLUGIN_DATA;
}
//sound configuration
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8) = gSound_config.sound_quality;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_SW_BUFFER, sint8) = gSound_config.forced_software_buffering;
// Line below is temporaraly disabled until all config is in the new format.
//if (RCT2_GLOBAL(0x009AB4C6, sint8) == 1)
// return;
RCT2_GLOBAL(0x009AB4C6, sint8) = 1; // no idea on what this does
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_HEIGHT_MARKERS, sint16) = (RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_METRIC, sint8) + 2) * 256;
if (!(RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) & CONFIG_FLAG_SHOW_HEIGHT_AS_UNITS))
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_HEIGHT_MARKERS, sint16) = (RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_METRIC, sint8) + 1) * 256;
RCT2_GLOBAL(0x009AA00D, sint8) = 0;
}
}
/* TODO: CLEANUP
if (RCT2_GLOBAL(0x009AB4C6, sint8) == 1)
return;
RCT2_GLOBAL(0x009AB4C6, sint8) = 1;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_METRIC, sint8) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_TEMPERATURE, sint8) = 1;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_CURRENCY, sint8) = 1;
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_HEIGHT_MARKERS, sint16) = 0;
if (!(RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) & CONFIG_FLAG_SHOW_HEIGHT_AS_UNITS))
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_HEIGHT_MARKERS, sint16) = (RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_METRIC, sint8) + 1) * 256;
RCT2_GLOBAL(0x009AA00D, sint8) = 1;
}
}
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8) = 0;
if (RCT2_GLOBAL(RCT2_ADDRESS_MEM_TOTAL_PHYSICAL, uint32) > 0x4000000) {
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8) = 1;
if (RCT2_GLOBAL(RCT2_ADDRESS_MEM_TOTAL_PHYSICAL, uint32) > 0x8000000)
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8) = 2;
}
*/
RCT2_GLOBAL(0x009AAC75, sint8) = RCT2_ADDRESS(0x009AF601, sint8)[RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8)];
RCT2_GLOBAL(0x009AAC76, sint8) = RCT2_ADDRESS(0x009AF604, sint8)[RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_SOUND_QUALITY, sint8)];
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_HEIGHT_MARKERS, sint16) = 0;
if (!(RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_FLAGS, uint8) & CONFIG_FLAG_SHOW_HEIGHT_AS_UNITS))
RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_HEIGHT_MARKERS, sint16) = (RCT2_GLOBAL(RCT2_ADDRESS_CONFIG_METRIC, sint8) + 1) * 256;
RCT2_GLOBAL(0x009AA00D, sint8) = 1;
}
/**
* Save configuration to the data/config.cfg file
* rct2: 0x00675487
*/
void config_save()
{
FILE *fp=NULL;
char *configIniPath = osinterface_get_orct2_homefolder();;
fp = fopen(get_file_path(PATH_ID_GAMECFG), "wb");
if (fp != NULL){
fwrite(&MagicNumber, 4, 1, fp);
fwrite((void*)0x009AAC5C, 2155, 1, fp);
fclose(fp);
}
sprintf(configIniPath, "%s%c%s", configIniPath, osinterface_get_path_separator(), "config.ini");
config_save_ini(configIniPath);
}
void config_save_ini(char *path)
{
FILE *fp = NULL;
fp = fopen(path, "wt+");
config_write_ini_general(fp);
config_write_ini_sound(fp);
fclose(fp);
}
void config_write_ini_sound(FILE *fp)
{
fprintf(fp, "[sound]\n");
if (gSound_config.sound_quality == SOUND_QUALITY_LOW) {
fprintf(fp, "sound_quality = low\n");
}
else if (gSound_config.sound_quality == SOUND_QUALITY_MEDIUM) {
fprintf(fp, "sound_quality = medium\n");
}
else{
fprintf(fp, "sound_quality = high\n");
}
if (gSound_config.forced_software_buffering){
fprintf(fp, "forced_software_buffering = true\n");
}
else {
fprintf(fp, "forced_software_buffering = false\n");
}
}
void config_write_ini_general(FILE *fp)
{
int currencyIterator = 0;
fprintf(fp, "[general]\n");
fprintf(fp, "game_path = %s\n", gGeneral_config.game_path);
switch (gGeneral_config.screenshot_format)
{
case SCREENSHOT_FORMAT_BMP:
fprintf(fp, "screenshot_format = BMP\n");
break;
case SCREENSHOT_FORMAT_PNG:
fprintf(fp, "screenshot_format = PNG\n");
break;
default:
config_error("error saving config.ini: wrong screenshot_format");
break;
}
if (gGeneral_config.play_intro){
fprintf(fp, "play_intro = true\n");
}
else {
fprintf(fp, "play_intro = false\n");
}
if (gGeneral_config.confirmation_prompt){
fprintf(fp, "confirmation_prompt = true\n");
}
else {
fprintf(fp, "confirmation_prompt = false\n");
}
if (gGeneral_config.edge_scrolling){
fprintf(fp, "edge_scrolling = true\n");
}
else {
fprintf(fp, "edge_scrolling = false\n");
}
for (currencyIterator = 0; currencyIterator < countof(_currencyLookupTable); currencyIterator++) {
if (_currencyLookupTable[currencyIterator].value == gGeneral_config.currency_format) {
gGeneral_config.currency_format = _currencyLookupTable[currencyIterator].value;
fprintf(fp, "currency = %s\n", _currencyLookupTable[currencyIterator].key);
break; // There are more than one valid item for Pound, Euro and Dollar ...
}
}
if (gGeneral_config.measurement_format == MEASUREMENT_FORMAT_IMPERIAL) {
fprintf(fp, "measurement_format = imperial\n");
}
else {
fprintf(fp, "measurement_format = metric\n");
}
if (gGeneral_config.temperature_format == TEMPERATURE_FORMAT_F) {
fprintf(fp, "temperature_format = fahrenheit\n");
}
else {
fprintf(fp, "temperature_format = celsius\n");
}
if (gGeneral_config.always_show_gridlines){
fprintf(fp, "always_show_gridlines = true\n");
}
else {
fprintf(fp, "always_show_gridlines = false\n");
}
if (gGeneral_config.landscape_smoothing){
fprintf(fp, "landscape_smoothing = true\n");
}
else {
fprintf(fp, "landscape_smoothing = false\n");
}
if (gGeneral_config.show_height_as_units){
fprintf(fp, "show_height_as_units = true\n");
}
else {
fprintf(fp, "show_height_as_units = false\n");
}
if (gGeneral_config.save_plugin_data){
fprintf(fp, "save_plugin_data = true\n");
}
else {
fprintf(fp, "save_plugin_data = false\n");
}
if (gGeneral_config.fullscreen_mode == 0)
fprintf(fp, "fullscreen_mode = window\n");
else if (gGeneral_config.fullscreen_mode == 1)
fprintf(fp, "fullscreen_mode = fullscreen\n");
else
fprintf(fp, "fullscreen_mode = borderless_fullscreen\n");
fprintf(fp, "language = %d\n", gGeneral_config.language);
}
/**
* Initilise the settings.
* It checks if the OpenRCT2 folder exists and creates it if it does not
* parsing of the config file is done in config_parse_settings
*/
void config_init()
{
char *path = osinterface_get_orct2_homefolder();
FILE* fp;
memcpy(&gGeneral_config, &gGeneral_config_default, sizeof(general_configuration_t));
if (strcmp(path, "") != 0){
if (!osinterface_ensure_directory_exists(path)) {
config_error("Could not create config file (do you have write access to your documents folder?)");
return;
}
sprintf(path, "%s%c%s", path, osinterface_get_path_separator(), "config.ini");
fp = fopen(path, "r");
if (!fp) {
config_create_default(path);
fp = fopen(path, "r");
if (!fp)
config_error("Could not create config file");
}
config_parse_settings(fp);
fclose(fp);
}
free(path);
}
/**
* Attempts to find the RCT2 installation directory.
* This should be created from some other resource when OpenRCT2 grows.
* @param resultPath Pointer to where the absolute path of the RCT2 installation directory will be copied to.
* @returns 1 if successful, otherwise 0.
*/
static int config_find_rct2_path(char *resultPath)
{
int i;
const char *searchLocations[] = {
"C:\\Program Files\\Infogrames\\RollerCoaster Tycoon 2",
"C:\\Program Files (x86)\\Infogrames\\RollerCoaster Tycoon 2",
"C:\\Program Files\\Infogrames Interactive\\RollerCoaster Tycoon 2",
"C:\\Program Files (x86)\\Infogrames Interactive\\RollerCoaster Tycoon 2",
"C:\\Program Files\\Atari\\RollerCoaster Tycoon 2",
"C:\\Program Files (x86)\\Atari\\RollerCoaster Tycoon 2",
"C:\\GOG Games\\RollerCoaster Tycoon 2 Triple Thrill Pack"
};
for (i = 0; i < countof(searchLocations); i++) {
if ( osinterface_directory_exists(searchLocations[i]) ) {
strcpy(resultPath, searchLocations[i]);
return 1;
}
}
return 0;
}
/**
* Create a new default settings file.
* This should be created from some other resource when openRCT2 grows
* @param path The aboslute path of the config file
*/
static void config_create_default(char *path)
{
gGeneral_config = gGeneral_config_default;
if (!config_find_rct2_path(gGeneral_config.game_path)) {
osinterface_show_messagebox("Unable to find RCT2 installation directory. Please select the directory where you installed RCT2!");
char *res = osinterface_open_directory_browser("Please select your RCT2 directory");
strcpy(gGeneral_config.game_path, res);
}
config_save_ini(path);
}
/**
* Parse settings and set the game veriables
* @param fp file pointer to the settings file
*/
static void config_parse_settings(FILE *fp)
{
int pos = 0;
char *setting;
char *value;
char *section;
setting = (char *)malloc(MAX_CONFIG_LENGTH);
value = (char *)malloc(MAX_CONFIG_LENGTH);
section = (char*)malloc(MAX_CONFIG_LENGTH);
while (config_get_line(fp, setting, value) > 0) {
if (strcmp(setting, "section") == 0){
strcpy(section, value);
continue;
}
if (strcmp(section, "sound") == 0){
config_sound(setting, value);
}
else if (strcmp(section, "general") == 0){
config_general(setting, value);
}
}
//RCT2_GLOBAL(0x009AACBC, sint8) = CURRENCY_KRONA;
free(setting);
free(value);
free(section);
}
static void config_sound(char *setting, char *value){
if (strcmp(setting, "sound_quality") == 0){
if (strcmp(value, "low") == 0){
gSound_config.sound_quality = SOUND_QUALITY_LOW;
}
else if (strcmp(value, "medium") == 0){
gSound_config.sound_quality = SOUND_QUALITY_MEDIUM;
}
else{
gSound_config.sound_quality = SOUND_QUALITY_HIGH;
}
}
else if (strcmp(setting, "forced_software_buffering") == 0){
if (strcmp(value, "true") == 0){
gSound_config.forced_software_buffering = 1;
}
else{
gSound_config.forced_software_buffering = 0;
}
}
}
static void config_general(char *setting, char *value){
if (strcmp(setting, "game_path") == 0){
strcpy(gGeneral_config.game_path, value);
}
else if (strcmp(setting, "screenshot_format") == 0) {
if (strcmp(value, "png") == 0) {
gGeneral_config.screenshot_format = SCREENSHOT_FORMAT_PNG;
}
else if (strcmp(value, "1") == 0) { //TODO: REMOVE LINE AT LATER DATE WHEN EVERYONE HAS NEW CONFIG FORMAT
gGeneral_config.screenshot_format = SCREENSHOT_FORMAT_PNG;
}
else {
gGeneral_config.screenshot_format = SCREENSHOT_FORMAT_BMP;
}
}
else if (strcmp(setting, "play_intro") == 0) {
gGeneral_config.play_intro = (strcmp(value, "true") == 0);
}
else if (strcmp(setting, "confirmation_prompt") == 0) {
gGeneral_config.confirmation_prompt = (strcmp(value, "true") == 0);
}
else if (strcmp(setting, "edge_scrolling") == 0){
if (strcmp(value, "true") == 0){
gGeneral_config.edge_scrolling = 1;
}
else {
gGeneral_config.edge_scrolling = 0;
}
}
else if (strcmp(setting, "measurement_format") == 0){
if (strcmp(value, "imperial") == 0){
gGeneral_config.measurement_format = MEASUREMENT_FORMAT_IMPERIAL;
}
else{
gGeneral_config.measurement_format = MEASUREMENT_FORMAT_METRIC;
}
}
else if (strcmp(setting, "temperature_format") == 0){
if (strcmp(value, "fahrenheit") == 0){
gGeneral_config.temperature_format = TEMPERATURE_FORMAT_F;
}
else{
gGeneral_config.temperature_format = TEMPERATURE_FORMAT_C;
}
}
else if (strcmp(setting, "currency") == 0){
config_parse_currency(value);
}
else if (strcmp(setting, "always_show_gridlines") == 0){
if (strcmp(value, "true") == 0){
gGeneral_config.always_show_gridlines = 1;
}
else {
gGeneral_config.always_show_gridlines = 0;
}
}
else if (strcmp(setting, "landscape_smoothing") == 0){
if (strcmp(value, "true") == 0){
gGeneral_config.landscape_smoothing = 1;
}
else {
gGeneral_config.landscape_smoothing = 0;
}
}
else if (strcmp(setting, "show_height_as_units") == 0){
if (strcmp(value, "true") == 0){
gGeneral_config.show_height_as_units = 1;
}
else {
gGeneral_config.show_height_as_units = 0;
}
}
else if (strcmp(setting, "save_plugin_data") == 0){
if (strcmp(value, "true") == 0){
gGeneral_config.save_plugin_data = 1;
}
else {
gGeneral_config.save_plugin_data = 0;
}
}
else if (strcmp(setting, "fullscreen_mode") == 0){
if (strcmp(value, "window") == 0){
gGeneral_config.fullscreen_mode = 0;
}
else if (strcmp(value, "fullscreen") == 0){
gGeneral_config.fullscreen_mode = 1;
}
else
gGeneral_config.fullscreen_mode = 2;
}
else if (strcmp(setting, "language") == 0) {
gGeneral_config.language = atoi(value);
}
}
/**
* Read one line in the settings file
* @param fp filepointer to the config file
* @param setting pointer where to to store the setting
* @param value pointer to where to store the value
* @return < 0 if EOF file is reached or other error
*/
static int config_get_line(FILE *fp, char *setting, char *value)
{
int c;
c = fgetc(fp);
while (isspace(c)){
c = getc(fp);
}
if (c == '['){
return config_parse_section(fp, setting, value);
}
else if(c == '#'){
while (c != '\n'){
c = fgetc(fp);
}
return 1;
}
if (c == EOF){
return -1;
}
while (!isalpha(c)){
c = fgetc(fp);
}
//if the first char is not the '[' char, it belongs to the setting name. We want to leave that for the next fn
fseek(fp, -1, SEEK_CUR);
config_parse_setting(fp, setting);
c = fgetc(fp);
while (isspace(c)){
c = getc(fp);
}
if (c != '='){
config_error("There is an error in your configuration file");
return -1;
}
config_parse_value(fp, value);
return 1;
}
/**
* Parse the value of a setting
* @param fp a filepointer to the config file
* @param value a pointer to where to store the setting
* @return < 0 if EOF is reached
*/
static int config_parse_setting(FILE *fp, char *setting){
long start, end;
int size, c, pos = 0;
start = ftell(fp);
c = fgetc(fp);
while (isspace(c)){
start = ftell(fp);
c = fgetc(fp);
}
if (c == EOF){
return -1;
}
while (isalpha(c) || c == '_'){
c = fgetc(fp);
}
end = ftell(fp);
size = end - start;
fseek(fp, start, SEEK_SET);
c = fgetc(fp);
while (isalpha(c) || c == '_'){
setting[pos] = (char)c;
c = fgetc(fp);
pos++;
}
setting[pos] = '\0';
return 1;
}
/**
* Parse the value of a setting
* @param fp a filepointer to the config file
* @param value a pointer to where to store the value
* @return < 0 if EOF is reached
*/
static int config_parse_value(FILE *fp, char *value)
{
long start, end;
int size, c, pos = 0;
start = ftell(fp);
c = fgetc(fp);
while (isspace(c)) {
start = ftell(fp);
c = fgetc(fp);
}
while (c != EOF && c != '\n') {
c = fgetc(fp);
}
end = ftell(fp);
size = end - start;
if (size > MAX_CONFIG_LENGTH)
config_error("One of your settings is too long");
fseek(fp, start, SEEK_SET);
c = fgetc(fp);
while (c != EOF && c != '\n') {
value[pos] = (char)tolower(c);
c = fgetc(fp);
pos++;
}
value[pos] = '\0';
return 0;
}
/**
* Parse the current section
* @param fp Filepointer to the config file
* @param setting This is set to contain the string "section"
* @param value Pointer to where the section name should be put
* @return < 0 if EOF is reached
*/
static int config_parse_section(FILE *fp, char *setting, char *value){
int size, c, pos = 0;
long start, end;
strcpy(setting, "section\0");
c = fgetc(fp);
start = ftell(fp);
while (c != ']' && c != EOF){
c = fgetc(fp);
}
end = ftell(fp);
size = end - start;
fseek(fp, start - 1, SEEK_SET);
c = fgetc(fp);
while (c != ']' && c != EOF){
value[pos] = (char)c;
c = fgetc(fp);
pos++;
}
value[pos] = '\0';
if (c != ']'){
config_error("There is an error with the section headers");
}
c = fgetc(fp); //devour ']'
return 1;
}
static int config_parse_currency(char *currency)
{
int i;
for (i = 0; i < countof(_currencyLookupTable); i++) {
if (_strcmpi(currency, _currencyLookupTable[i].key) == 0) {
gGeneral_config.currency_format = _currencyLookupTable[i].value;
return 1;
}
}
config_error("Invalid currency set in config file");
return -1;
}
/**
* Error with config file. Print error message an quit the game
* @param msg Message to print in message box
*/
static void config_error(char *msg){
osinterface_show_messagebox(msg);
//TODO:SHUT DOWN EVERYTHING!
}
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