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KF2-Dev-Scripts/KFGame/Classes/KFSteamWebAPICall.uc

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2020-12-13 15:01:13 +00:00
//=============================================================================
// KFSteamWebAPICall
//=============================================================================
// Base class for Steamworks Web API functionality. Copypasta from KF1
//=============================================================================
// Copyright (C) 2015 Tripwire Interactive LLC
// - Joshua "Josh" Rowan
// Based off of KFSteamWebApi Copyright 2007 Tripwire Interactive, Inc.
// All Rights Reserved.
//=============================================================================
class KFSteamWebAPICall extends Object
native
abstract
inherits(FTickableObject);
var float RequestTimeout;
var string steamAPIAddr;
var string Format;
var native pointer Downloader{class FHttpDownloadString};
/** Used to toggle debug logging */
var bool bDebug;
//Used by concrete subclasses
var string APICall;
cpptext
{
/**
* Allows per frame work to be done
*
* @param DeltaTime the amount of time that has passed since the last tick
*/
virtual void Tick(FLOAT);
/**
* Returns whether it is okay to tick this object. E.g. objects being loaded in the background shouldn't be ticked
* till they are finalized and unreachable objects cannot be ticked either.
*
* @return TRUE if tickable, FALSE otherwise
*/
virtual UBOOL IsTickable() const
{
// We cannot tick objects that are unreachable or are in the process of being loaded in the background.
return Downloader && !HasAnyFlags( RF_Unreachable | RF_AsyncLoading );
}
/** Call CleanUp on GC */
virtual void FinishDestroy();
/** Destroy HttpDownloader */
void CleanUp();
}
function CallWebProcedure(string FunctionCall, string Parameters)
{
local string URL;
local string Payload;
URL = "http://" $ steamAPIAddr $ FunctionCall;
Payload = Parameters;
if (Len(payload) > 0)
{
Payload = Payload $ "&";
}
Payload = Payload $ Format;
SendHTTPGet(steamAPIAddr, URL, Payload, RequestTimeout);
}
native function SendHTTPGet(string Domain, string URL, string Payload, float Timeout);
event Finished(bool success, string ReturnStr)
{
local JsonObject response;
if (!success)
{
`log(Class.Name @ "did not get HTTP response.", bDebug);
return;
}
response = class'JsonObject'.static.DecodeJson(ReturnStr);
if ( response == none )
{
`log(Class.Name @ "could not parse HTTP response.", bDebug);
return;
}
ProcessResponse(response);
}
function ProcessResponse(JsonObject response);
defaultproperties
{
//bHidden=true
steamAPIAddr="api.steampowered.com"
RequestTimeout=10.f
Format="format=json"
}