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#include <node.h>
#include <v8.h>
#include <string>
#include <iostream>
#include "steamworks-sdk/public/steam/steam_api.h"
#include "steamworks-sdk/public/steam/steam_gameserver.h"
#include "steamworks-sdk/public/steam/isteamremotestorage.h"
using namespace v8;
using namespace std;
struct FileIOAsync {
Persistent<Function> errorCallback;
Persistent<Function> successCallback;
string sFilename;
string sContent;
string sError;
bool bSuccess;
};
struct CloudQuota {
Persistent<Function> errorCallback;
Persistent<Function> successCallback;
int nTotalBytes;
int nAvailableBytes;
bool bSuccess;
};
struct Achievement {
Persistent<Function> errorCallback;
Persistent<Function> successCallback;
string sAchievementId;
bool bSuccess;
};
class Greenworks : node::ObjectWrap {
private:
static void steamWriteToFile(uv_work_t *req) {
FileIOAsync *writeData = (FileIOAsync*)req->data;
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
// Checking quota (in the future we may need it)
int nTotal = -1, nAvailable = -1;
if (!pSteamRemoteStorage->GetQuota(&nTotal, &nAvailable)) {
writeData->sError = "Error getting Cloud quota";
writeData->bSuccess = false;
return;
}
writeData->bSuccess = pSteamRemoteStorage->FileWrite(writeData->sFilename.c_str(), writeData->sContent.c_str(), (int)strlen(writeData->sContent.c_str()));
if (!writeData->bSuccess)
writeData->sError = "Error writing to file. ";
return;
}
static void steamReadFromFile(uv_work_t *req) {
FileIOAsync *readData = (FileIOAsync*)req->data;
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
// Check if file exists
if (!pSteamRemoteStorage->FileExists(readData->sFilename.c_str())) {
readData->bSuccess = false;
readData->sError = "File doesn't exist";
return;
}
int32 nFileSize = pSteamRemoteStorage->GetFileSize(readData->sFilename.c_str());
char *sFileContents = new char[nFileSize+1];
int32 cubRead = pSteamRemoteStorage->FileRead( readData->sFilename.c_str(), sFileContents, nFileSize );
sFileContents[cubRead] = 0; // null-terminate
if (cubRead == 0 && nFileSize > 0) {
readData->bSuccess = false;
readData->sError = "Error loading file";
}
else {
readData->bSuccess = true;
readData->sContent = sFileContents;
}
delete sFileContents;
return;
}
static void steamGetCloudQuota(uv_work_t *req) {
CloudQuota *quotaData = (CloudQuota*)req->data;
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
int nTotal = -1, nAvailable = -1;
if (!pSteamRemoteStorage->GetQuota(&nTotal, &nAvailable)) {
quotaData->bSuccess = false;
return;
}
quotaData->bSuccess = true;
quotaData->nTotalBytes = nTotal;
quotaData->nAvailableBytes = nAvailable;
return;
}
static void steamSetAchievement(uv_work_t *req) {
Achievement *achievementData = (Achievement*)req->data;
ISteamUserStats *pSteamUserStats = SteamUserStats();
pSteamUserStats->SetAchievement(achievementData->sAchievementId.c_str());
achievementData->bSuccess = pSteamUserStats->StoreStats();
return;
}
static void fileWrote(uv_work_t *req) {
FileIOAsync *writeData = (FileIOAsync*)req->data;
// Calling callback here
Handle<Value> callbackResultArgs[1];
if (writeData->bSuccess) {
callbackResultArgs[0] = Undefined();
writeData->successCallback->Call(Context::GetCurrent()->Global(), 1, callbackResultArgs);
}
else {
callbackResultArgs[0] = String::New(writeData->sError.c_str());
writeData->errorCallback->Call(Context::GetCurrent()->Global(), 1, callbackResultArgs);
}
return;
}
static void fileLoaded(uv_work_t *req) {
FileIOAsync *readData = (FileIOAsync*)req->data;
// Calling callback here
Handle<Value> callbackResultArgs[1];
if (readData->bSuccess) {
callbackResultArgs[0] = String::New(readData->sContent.c_str());
readData->successCallback->Call(Context::GetCurrent()->Global(), 1, callbackResultArgs);
}
else {
callbackResultArgs[0] = String::New(readData->sError.c_str());
readData->errorCallback->Call(Context::GetCurrent()->Global(), 1, callbackResultArgs);
}
}
static void gotQuota(uv_work_t *req) {
CloudQuota *quotaData = (CloudQuota*)req->data;
Handle<Value> callbackResultArgs[2];
if (quotaData->bSuccess) {
callbackResultArgs[0] = Integer::New(quotaData->nTotalBytes);
callbackResultArgs[1] = Integer::New(quotaData->nAvailableBytes);
quotaData->successCallback->Call(Context::GetCurrent()->Global(), 2, callbackResultArgs);
}
else {
callbackResultArgs[0] = Undefined();
quotaData->errorCallback->Call(Context::GetCurrent()->Global(), 1, callbackResultArgs);
}
}
static void achievementStored(uv_work_t *req) {
Achievement *achievementData = (Achievement*)req->data;
Handle<Value> callbackResultArgs[1];
callbackResultArgs[0] = Undefined();
if (achievementData->bSuccess) {
achievementData->successCallback->Call(Context::GetCurrent()->Global(), 1, callbackResultArgs);
}
else {
achievementData->errorCallback->Call(Context::GetCurrent()->Global(), 1, callbackResultArgs);
}
}
public:
Greenworks() {}
~Greenworks() {}
static Handle<Value> initAPI(const Arguments& args) {
HandleScope scope;
// Initializing Steam API
bool bSuccess = SteamAPI_Init();
if (bSuccess) {
ISteamUserStats *pSteamUserStats = SteamUserStats();
pSteamUserStats->RequestCurrentStats();
}
return scope.Close(Boolean::New(bSuccess));
}
static Handle<Value> getCloudQuota(const Arguments& args) {
HandleScope scope;
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
Local<Function>successCallback = Local<Function>::Cast(args[0]);
Local<Function>errorCallback = Local<Function>::Cast(args[1]);
CloudQuota *quotaData = new CloudQuota;
quotaData->successCallback = Persistent<Function>::New(successCallback);
quotaData->errorCallback = Persistent<Function>::New(errorCallback);
uv_work_t *req = new uv_work_t;
req->data = quotaData;
// Call separate thread work
uv_queue_work(uv_default_loop(), req, steamGetCloudQuota, (uv_after_work_cb)gotQuota);
return scope.Close(Undefined());
}
static Handle<Value> saveTextToFile(const Arguments& args) {
HandleScope scope;
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
// Convert passed string arguments directly to std::string
string sFilename(*String::Utf8Value(args[0]));
string sContent(*String::Utf8Value(args[1]));
Local<Function>successCallback = Local<Function>::Cast(args[2]);
Local<Function>errorCallback = Local<Function>::Cast(args[3]);
FileIOAsync *writeData = new FileIOAsync;
writeData->successCallback = Persistent<Function>::New(successCallback);
writeData->errorCallback = Persistent<Function>::New(errorCallback);
writeData->sFilename = sFilename;
writeData->sContent = sContent;
// Preparing separate thread work call
uv_work_t *req = new uv_work_t;
req->data = writeData;
// Call separate thread work
uv_queue_work(uv_default_loop(), req, steamWriteToFile, (uv_after_work_cb)fileWrote);
return scope.Close(Undefined());
}
static Handle<Value> readTextFromFile(const Arguments& args) {
HandleScope scope;
// Convert passed string arguments directly to std::string
string sFilename(*String::Utf8Value(args[0]));
Local<Function>successCallback = Local<Function>::Cast(args[1]);
Local<Function>errorCallback = Local<Function>::Cast(args[2]);
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
FileIOAsync *readData = new FileIOAsync;
readData->successCallback = Persistent<Function>::New(successCallback);
readData->errorCallback = Persistent<Function>::New(errorCallback);
readData->sFilename = sFilename;
// Preparing separate thread work call
uv_work_t *req = new uv_work_t;
req->data = readData;
// Call separate thread work
uv_queue_work(uv_default_loop(), req, steamReadFromFile, (uv_after_work_cb)fileLoaded);
return scope.Close(Undefined());
}
static Handle<Value> activateAchievement(const Arguments& args) {
HandleScope scope;
string sAchievementId(*String::Utf8Value(args[0]));
Local<Function>successCallback = Local<Function>::Cast(args[1]);
Local<Function>errorCallback = Local<Function>::Cast(args[2]);
Achievement *achievementData = new Achievement;
achievementData->successCallback = Persistent<Function>::New(successCallback);
achievementData->errorCallback = Persistent<Function>::New(errorCallback);
achievementData->sAchievementId = sAchievementId;
// Preparing separate thread work call
uv_work_t *req = new uv_work_t;
req->data = achievementData;
// Call separate thread work
uv_queue_work(uv_default_loop(), req, steamSetAchievement, (uv_after_work_cb)achievementStored);
return scope.Close(Undefined());
}
static Handle<Value> enableCloud(const Arguments& args){
HandleScope scope;
bool bEnableCloud = args[0]->ToBoolean()->Value();
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
pSteamRemoteStorage->SetCloudEnabledForApp(bEnableCloud);
return scope.Close(Undefined());
}
static Handle<Value> isCloudEnabled(const Arguments& args){
HandleScope scope;
ISteamRemoteStorage *pSteamRemoteStorage = SteamRemoteStorage();
return scope.Close(Boolean::New(pSteamRemoteStorage->IsCloudEnabledForApp()));
}
};
void init(Handle<Object> exports) {
exports->Set(String::NewSymbol("initAPI"), FunctionTemplate::New(Greenworks::initAPI)->GetFunction());
exports->Set(String::NewSymbol("getCloudQuota"), FunctionTemplate::New(Greenworks::getCloudQuota)->GetFunction());
exports->Set(String::NewSymbol("saveTextToFile"), FunctionTemplate::New(Greenworks::saveTextToFile)->GetFunction());
exports->Set(String::NewSymbol("readTextFromFile"), FunctionTemplate::New(Greenworks::readTextFromFile)->GetFunction());
exports->Set(String::NewSymbol("activateAchievement"), FunctionTemplate::New(Greenworks::activateAchievement)->GetFunction());
exports->Set(String::NewSymbol("isCloudEnabled"), FunctionTemplate::New(Greenworks::isCloudEnabled)->GetFunction());
exports->Set(String::NewSymbol("enableCloud"), FunctionTemplate::New(Greenworks::enableCloud)->GetFunction());
}
#ifdef _WIN32
NODE_MODULE(greenworks_win, init)
#elif __APPLE__
NODE_MODULE(greenworks_osx, init)
#elif __linux__
NODE_MODULE(greenworks_linux, init)
#endif