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//====== Copyright <20> 1996-2008, Valve Corporation, All rights reserved. =======
//
// Purpose: interface to utility functions in Steam
//
//=============================================================================
#ifndef ISTEAMUTILS_H
#define ISTEAMUTILS_H
#ifdef _WIN32
#pragma once
#endif
#include "isteamclient.h"
// Steam API call failure results
enum ESteamAPICallFailure {
k_ESteamAPICallFailureNone = -1, // no failure
k_ESteamAPICallFailureSteamGone =
0, // the local Steam process has gone away
k_ESteamAPICallFailureNetworkFailure =
1, // the network connection to Steam has been broken, or was already
// broken
// SteamServersDisconnected_t callback will be sent around the same time
// SteamServersConnected_t will be sent when the client is able to talk to
// the Steam servers again
k_ESteamAPICallFailureInvalidHandle =
2, // the SteamAPICall_t handle passed in no longer exists
k_ESteamAPICallFailureMismatchedCallback =
3, // GetAPICallResult() was called with the wrong callback type for
// this API call
};
// Input modes for the Big Picture gamepad text entry
enum EGamepadTextInputMode {
k_EGamepadTextInputModeNormal = 0,
k_EGamepadTextInputModePassword = 1
};
// Controls number of allowed lines for the Big Picture gamepad text entry
enum EGamepadTextInputLineMode {
k_EGamepadTextInputLineModeSingleLine = 0,
k_EGamepadTextInputLineModeMultipleLines = 1
};
// function prototype for warning message hook
#if defined(POSIX)
#if !defined(__cdecl)
#define __cdecl
#endif
#endif
extern "C" typedef void(__cdecl *SteamAPIWarningMessageHook_t)(int,
const char *);
//-----------------------------------------------------------------------------
// Purpose: interface to user independent utility functions
//-----------------------------------------------------------------------------
class ISteamUtils {
public:
// return the number of seconds since the user
virtual uint32 GetSecondsSinceAppActive() = 0;
virtual uint32 GetSecondsSinceComputerActive() = 0;
// the universe this client is connecting to
virtual EUniverse GetConnectedUniverse() = 0;
// Steam server time - in PST, number of seconds since January 1, 1970 (i.e
// unix time)
virtual uint32 GetServerRealTime() = 0;
// returns the 2 digit ISO 3166-1-alpha-2 format country code this client is
// running in (as looked up via an IP-to-location database) e.g "US" or
// "UK".
virtual const char *GetIPCountry() = 0;
// returns true if the image exists, and valid sizes were filled out
virtual bool GetImageSize(int iImage, uint32 *pnWidth,
uint32 *pnHeight) = 0;
// returns true if the image exists, and the buffer was successfully filled
// out results are returned in RGBA format the destination buffer size
// should be 4 * height * width * sizeof(char)
virtual bool GetImageRGBA(int iImage, uint8 *pubDest,
int nDestBufferSize) = 0;
// returns the IP of the reporting server for valve - currently only used in
// Source engine games
virtual bool GetCSERIPPort(uint32 *unIP, uint16 *usPort) = 0;
// return the amount of battery power left in the current system in %
// [0..100], 255 for being on AC power
virtual uint8 GetCurrentBatteryPower() = 0;
// returns the appID of the current process
virtual uint32 GetAppID() = 0;
// Sets the position where the overlay instance for the currently calling
// game should show notifications. This position is per-game and if this
// function is called from outside of a game context it will do nothing.
virtual void SetOverlayNotificationPosition(
ENotificationPosition eNotificationPosition) = 0;
// API asynchronous call results
// can be used directly, but more commonly used via the callback dispatch
// API (see steam_api.h)
virtual bool IsAPICallCompleted(SteamAPICall_t hSteamAPICall,
bool *pbFailed) = 0;
virtual ESteamAPICallFailure GetAPICallFailureReason(
SteamAPICall_t hSteamAPICall) = 0;
virtual bool GetAPICallResult(SteamAPICall_t hSteamAPICall, void *pCallback,
int cubCallback, int iCallbackExpected,
bool *pbFailed) = 0;
// this needs to be called every frame to process matchmaking results
// redundant if you're already calling SteamAPI_RunCallbacks()
virtual void RunFrame() = 0;
// returns the number of IPC calls made since the last time this function
// was called Used for perf debugging so you can understand how many IPC
// calls your game makes per frame Every IPC call is at minimum a thread
// context switch if not a process one so you want to rate control how often
// you do them.
virtual uint32 GetIPCCallCount() = 0;
// API warning handling
// 'int' is the severity; 0 for msg, 1 for warning
// 'const char *' is the text of the message
// callbacks will occur directly after the API function is called that
// generated the warning or message
virtual void SetWarningMessageHook(
SteamAPIWarningMessageHook_t pFunction) = 0;
// Returns true if the overlay is running & the user can access it. The
// overlay process could take a few seconds to start & hook the game
// process, so this function will initially return false while the overlay
// is loading.
virtual bool IsOverlayEnabled() = 0;
// Normally this call is unneeded if your game has a constantly running
// frame loop that calls the D3D Present API, or OGL SwapBuffers API every
// frame.
//
// However, if you have a game that only refreshes the screen on an event
// driven basis then that can break the overlay, as it uses your
// Present/SwapBuffers calls to drive it's internal frame loop and it may
// also need to Present() to the screen any time an even needing a
// notification happens or when the overlay is brought up over the game by a
// user. You can use this API to ask the overlay if it currently need a
// present in that case, and then you can check for this periodically
// (roughly 33hz is desirable) and make sure you refresh the screen with
// Present or SwapBuffers to allow the overlay to do it's work.
virtual bool BOverlayNeedsPresent() = 0;
#ifndef _PS3
// Asynchronous call to check if an executable file has been signed using
// the public key set on the signing tab of the partner site, for example to
// refuse to load modified executable files. The result is returned in
// CheckFileSignature_t.
// k_ECheckFileSignatureNoSignaturesFoundForThisApp - This app has not
// been configured on the signing tab of the partner site to enable this
// function. k_ECheckFileSignatureNoSignaturesFoundForThisFile - This file
// is not listed on the signing tab for the partner site.
// k_ECheckFileSignatureFileNotFound - The file does not exist on disk.
// k_ECheckFileSignatureInvalidSignature - The file exists, and the
// signing tab has been set for this file, but the file is either not
// signed or the signature does not match.
// k_ECheckFileSignatureValidSignature - The file is signed and the
// signature is valid.
virtual SteamAPICall_t CheckFileSignature(const char *szFileName) = 0;
#endif
#ifdef _PS3
virtual void PostPS3SysutilCallback(uint64_t status, uint64_t param,
void *userdata) = 0;
virtual bool BIsReadyToShutdown() = 0;
virtual bool BIsPSNOnline() = 0;
// Call this with localized strings for the language the game is running in,
// otherwise default english strings will be used by Steam.
virtual void SetPSNGameBootInviteStrings(const char *pchSubject,
const char *pchBody) = 0;
#endif
// Activates the Big Picture text input dialog which only supports gamepad
// input
virtual bool ShowGamepadTextInput(EGamepadTextInputMode eInputMode,
EGamepadTextInputLineMode eLineInputMode,
const char *pchDescription,
uint32 unCharMax,
const char *pchExistingText) = 0;
// Returns previously entered text & length
virtual uint32 GetEnteredGamepadTextLength() = 0;
virtual bool GetEnteredGamepadTextInput(char *pchText, uint32 cchText) = 0;
// returns the language the steam client is running in, you probably want
// ISteamApps::GetCurrentGameLanguage instead, this is for very special
// usage cases
virtual const char *GetSteamUILanguage() = 0;
// returns true if Steam itself is running in VR mode
virtual bool IsSteamRunningInVR() = 0;
// Sets the inset of the overlay notification from the corner specified by
// SetOverlayNotificationPosition.
virtual void SetOverlayNotificationInset(int nHorizontalInset,
int nVerticalInset) = 0;
};
#define STEAMUTILS_INTERFACE_VERSION "SteamUtils007"
// callbacks
#if defined(VALVE_CALLBACK_PACK_SMALL)
#pragma pack(push, 4)
#elif defined(VALVE_CALLBACK_PACK_LARGE)
#pragma pack(push, 8)
#else
#error isteamclient.h must be included
#endif
//-----------------------------------------------------------------------------
// Purpose: The country of the user changed
//-----------------------------------------------------------------------------
struct IPCountry_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 1 };
};
//-----------------------------------------------------------------------------
// Purpose: Fired when running on a laptop and less than 10 minutes of battery
// is left, fires then every minute
//-----------------------------------------------------------------------------
struct LowBatteryPower_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 2 };
uint8 m_nMinutesBatteryLeft;
};
//-----------------------------------------------------------------------------
// Purpose: called when a SteamAsyncCall_t has completed (or failed)
//-----------------------------------------------------------------------------
struct SteamAPICallCompleted_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 3 };
SteamAPICall_t m_hAsyncCall;
};
//-----------------------------------------------------------------------------
// called when Steam wants to shutdown
//-----------------------------------------------------------------------------
struct SteamShutdown_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 4 };
};
//-----------------------------------------------------------------------------
// results for CheckFileSignature
//-----------------------------------------------------------------------------
enum ECheckFileSignature {
k_ECheckFileSignatureInvalidSignature = 0,
k_ECheckFileSignatureValidSignature = 1,
k_ECheckFileSignatureFileNotFound = 2,
k_ECheckFileSignatureNoSignaturesFoundForThisApp = 3,
k_ECheckFileSignatureNoSignaturesFoundForThisFile = 4,
};
//-----------------------------------------------------------------------------
// callback for CheckFileSignature
//-----------------------------------------------------------------------------
struct CheckFileSignature_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 5 };
ECheckFileSignature m_eCheckFileSignature;
};
#ifdef _PS3
//-----------------------------------------------------------------------------
// callback for NetCtlNetStartDialog finishing on PS3
//-----------------------------------------------------------------------------
struct NetStartDialogFinished_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 6 };
};
//-----------------------------------------------------------------------------
// callback for NetCtlNetStartDialog unloaded on PS3
//-----------------------------------------------------------------------------
struct NetStartDialogUnloaded_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 7 };
};
//-----------------------------------------------------------------------------
// callback for system menu closing on PS3 - should trigger resyncronizing
// friends list, etc.
//-----------------------------------------------------------------------------
struct PS3SystemMenuClosed_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 8 };
};
//-----------------------------------------------------------------------------
// callback for NP message being selected by user on PS3 - should trigger
// handling of message if it's a lobby invite, etc.
//-----------------------------------------------------------------------------
struct PS3NPMessageSelected_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 9 };
uint32 dataid;
};
//-----------------------------------------------------------------------------
// callback for when the PS3 keyboard dialog closes
//-----------------------------------------------------------------------------
struct PS3KeyboardDialogFinished_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 10 };
};
// k_iSteamUtilsCallbacks + 11 is taken
//-----------------------------------------------------------------------------
// callback for PSN status changing on PS3
//-----------------------------------------------------------------------------
struct PS3PSNStatusChange_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 12 };
bool m_bPSNOnline;
};
#endif
// k_iSteamUtilsCallbacks + 13 is taken
//-----------------------------------------------------------------------------
// Big Picture gamepad text input has been closed
//-----------------------------------------------------------------------------
struct GamepadTextInputDismissed_t {
enum { k_iCallback = k_iSteamUtilsCallbacks + 14 };
bool m_bSubmitted; // true if user entered & accepted text (Call
// ISteamUtils::GetEnteredGamepadTextInput() for text),
// false if canceled input
uint32 m_unSubmittedText;
};
// k_iSteamUtilsCallbacks + 15 is taken
#pragma pack(pop)
#endif // ISTEAMUTILS_H