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Simplify prefs.cpp
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@jorio
jorio committed Feb 2, 2022
1 parent a6136f2 commit c75e429
Showing 1 changed file with 57 additions and 123 deletions.
180 changes: 57 additions & 123 deletions src/prefs.cpp
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Original file line number Diff line number Diff line change
@@ -1,14 +1,7 @@
// prefs.c

#include "stdafx.h"

#if __APPLE__
#include <Cocoa/Cocoa.h>
#else
#include <filesystem>
#include <fstream>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
Expand All @@ -20,160 +13,101 @@
#include "hiscore.h"
#include "keyselect.h"

#if __APPLE__
#define PREF_NAME(x) @x
typedef NSString* PrefKeyName;
#else
#define PREF_NAME(x) x
typedef const char* PrefKeyName;
#endif

struct Preference
{
PrefKeyName keyName;
const char* keyName;
void* valuePtr;
unsigned int valueLength;
};

Preference prefList[] =
{
{ PREF_NAME("MusicOn"), &musicOn, sizeof(MBoolean ) },
{ PREF_NAME("SoundOn"), &soundOn, sizeof(MBoolean ) },
{ PREF_NAME("KeyBindings"), playerKeys, sizeof(playerKeys) },
{ PREF_NAME("HighScores"), scores, sizeof(scores ) },
{ PREF_NAME("BestCombo"), &best, sizeof(best ) },
{ PREF_NAME("Fullscreen"), &fullscreen, sizeof(fullscreen) },
{ "MusicOn", &musicOn, sizeof(MBoolean ) },
{ "SoundOn", &soundOn, sizeof(MBoolean ) },
{ "KeyBindings", playerKeys, sizeof(playerKeys) },
{ "HighScores", scores, sizeof(scores ) },
{ "BestCombo", &best, sizeof(best ) },
{ "Fullscreen", &fullscreen, sizeof(fullscreen) },
};

#if !__APPLE__ && !_WIN32
static std::fstream GetPrefsStream(std::ios::openmode openmode)
{
std::filesystem::path path;
const char *home = getenv("XDG_CONFIG_HOME");
if (home) {
path = std::filesystem::path(home);
} else {
home = getenv("HOME");
if (!home) {
throw std::exception();
}
path = std::filesystem::path(home) / ".config";
}
path = path.lexically_normal();
bool exists = std::filesystem::exists(path);

if (!exists) {
if (openmode == std::ios::out)
std::filesystem::create_directories(path);
else
throw std::exception();
} else if (!std::filesystem::is_directory(path)) {
throw;
}
path /= "CandyCrisis.prefs";

if (openmode == std::ios::in && !std::filesystem::is_regular_file(path))
throw std::exception();
static char path[1024];
const char* userDir = SDL_GetPrefPath(NULL, "CandyCrisis");
snprintf(path, sizeof(path), "%sCandyCrisisPrefs.bin", userDir);

return std::fstream(path, std::ios::binary | openmode);
}
#endif

void LoadPrefs()
{
#if !__APPLE__ && !_WIN32
std::fstream stream;
try {
try
{
stream = GetPrefsStream(std::ios::in);
} catch (...) {
}
catch (...)
{
return;
}

if (!stream.good())
{
return;
}
#endif


for (Preference& pref: prefList)
{
#if __APPLE__
NSData* data = [[NSUserDefaults standardUserDefaults] dataForKey:pref.keyName];
if ([data length] == pref.valueLength)
stream.seekg(0, std::ios::beg);
while (!stream.eof())
{
int keyLength;
char key[256];
unsigned int contentsLength;

keyLength = stream.get();
if (stream.eof()) break;
stream.read(key, keyLength);
key[keyLength] = '\0';
stream.read((char*)&contentsLength, sizeof(contentsLength));

if (!strncmp(key, pref.keyName, strlen(pref.keyName)))
{
memcpy(pref.valuePtr, [data bytes], pref.valueLength);
if (contentsLength != pref.valueLength)
break;
stream.read((char*) pref.valuePtr, pref.valueLength);
break;
}
#elif _WIN32
HKEY hKey;
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER, TEXT("SOFTWARE\\CandyCrisis"), 0, KEY_QUERY_VALUE, &hKey))
else
{
DWORD dwType = REG_BINARY;
DWORD dwLength = pref.valueLength;

if ((ERROR_SUCCESS == RegQueryValueEx(hKey, pref.keyName, 0, &dwType, NULL, &dwLength))
&& dwType == REG_BINARY
&& dwLength == pref.valueLength)
{
RegQueryValueEx(hKey, pref.keyName, 0, &dwType, reinterpret_cast<BYTE*>(pref.valuePtr), &dwLength);
}

RegCloseKey(hKey);
}
#else
stream.seekg(0, std::ios::beg);
while (!stream.eof()) {
int keyLength;
char key[256];
unsigned int contentsLength;

keyLength = stream.get();
if (stream.eof()) break;
stream.read(key, keyLength);
key[keyLength] = '\0';
stream.read((char*)&contentsLength, sizeof(contentsLength));

if (!strncmp(key, pref.keyName, strlen(pref.keyName))) {
if (contentsLength != pref.valueLength)
break;
stream.read((char*) pref.valuePtr, pref.valueLength);
break;
} else {
stream.seekg(contentsLength, std::ios::cur);
}
stream.seekg(contentsLength, std::ios::cur);
}
#endif
}
}
}


void SavePrefs()
{
#if !__APPLE__ && !_WIN32
std::fstream stream;
try {
try
{
stream = GetPrefsStream(std::ios::out);
} catch (...) {
}
catch (...)
{
return;
}
#endif

for (Preference& pref: prefList)

if (!stream.good())
{
#if __APPLE__
[[NSUserDefaults standardUserDefaults]
setObject:[NSData dataWithBytes:pref.valuePtr length:pref.valueLength]
forKey:pref.keyName];
#elif _WIN32
HKEY hKey;
if (ERROR_SUCCESS == RegCreateKeyEx(HKEY_CURRENT_USER, TEXT("SOFTWARE\\CandyCrisis"), 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL))
{
RegSetValueEx(hKey, pref.keyName, 0, REG_BINARY, reinterpret_cast<BYTE*>(pref.valuePtr), pref.valueLength);
RegCloseKey(hKey);
}
#else
stream.put(strlen(pref.keyName));
stream.write(pref.keyName, strlen(pref.keyName));
stream.write((const char*)&pref.valueLength, sizeof(pref.valueLength));
stream.write((const char*)pref.valuePtr, pref.valueLength);
#endif
return;
}

#if __APPLE__
[[NSUserDefaults standardUserDefaults] synchronize];
#endif
for (Preference& pref: prefList)
{
stream.put(strlen(pref.keyName));
stream.write(pref.keyName, strlen(pref.keyName));
stream.write((const char*)&pref.valueLength, sizeof(pref.valueLength));
stream.write((const char*)pref.valuePtr, pref.valueLength);
}
}

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