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/* Copyright (C) 2019 Mr Goldberg
This file is part of the Goldberg Emulator
The Goldberg Emulator is free software ; you can redistribute it and / or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation ; either
version 3 of the License , or ( at your option ) any later version .
The Goldberg Emulator 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
Lesser General Public License for more details .
You should have received a copy of the GNU Lesser General Public
License along with the Goldberg Emulator ; if not , see
< http : //www.gnu.org/licenses/>. */
# include "steam_screenshots.h"
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Steam_Screenshots : : Steam_Screenshots ( class Local_Storage * local_storage , class SteamCallBacks * callbacks ) :
local_storage ( local_storage ) ,
callbacks ( callbacks )
{
}
ScreenshotHandle Steam_Screenshots : : create_screenshot_handle ( )
{
static ScreenshotHandle handle = 100 ;
return handle + + ;
}
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// Writes a screenshot to the user's screenshot library given the raw image data, which must be in RGB format.
// The return value is a handle that is valid for the duration of the game process and can be used to apply tags.
ScreenshotHandle Steam_Screenshots : : WriteScreenshot ( void * pubRGB , uint32 cubRGB , int nWidth , int nHeight )
{
PRINT_DEBUG ( " WriteScreenshot \n " ) ;
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char buff [ 128 ] ;
auto now = std : : chrono : : system_clock : : now ( ) ;
time_t now_time ;
now_time = std : : chrono : : duration_cast < std : : chrono : : seconds > ( now . time_since_epoch ( ) ) . count ( ) ;
strftime ( buff , 128 , " %a_%b_%d_%H_%M_%S_%Y " , localtime ( & now_time ) ) ;
std : : string screenshot_name = buff ;
screenshot_name + = " .png " ;
if ( ! local_storage - > save_screenshot ( screenshot_name , ( uint8_t * ) pubRGB , nWidth , nHeight , 3 ) )
return INVALID_SCREENSHOT_HANDLE ;
auto handle = create_screenshot_handle ( ) ;
auto & infos = _screenshots [ handle ] ;
infos . screenshot_name = buff ;
return handle ;
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}
// Adds a screenshot to the user's screenshot library from disk. If a thumbnail is provided, it must be 200 pixels wide and the same aspect ratio
// as the screenshot, otherwise a thumbnail will be generated if the user uploads the screenshot. The screenshots must be in either JPEG or TGA format.
// The return value is a handle that is valid for the duration of the game process and can be used to apply tags.
// JPEG, TGA, and PNG formats are supported.
ScreenshotHandle Steam_Screenshots : : AddScreenshotToLibrary ( const char * pchFilename , const char * pchThumbnailFilename , int nWidth , int nHeight )
{
PRINT_DEBUG ( " AddScreenshotToLibrary \n " ) ;
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if ( pchFilename = = nullptr )
return INVALID_SCREENSHOT_HANDLE ;
std : : vector < image_pixel_t > pixels ( std : : move ( local_storage - > load_image ( pchFilename ) ) ) ;
if ( pixels . size ( ) ! = size_t ( nWidth ) * size_t ( nHeight ) )
return INVALID_SCREENSHOT_HANDLE ;
char buff [ 128 ] ;
auto now = std : : chrono : : system_clock : : now ( ) ;
time_t now_time ;
now_time = std : : chrono : : duration_cast < std : : chrono : : seconds > ( now . time_since_epoch ( ) ) . count ( ) ;
strftime ( buff , 128 , " %a_%b_%d_%H_%M_%S_%Y " , localtime ( & now_time ) ) ;
std : : string screenshot_name = buff ;
screenshot_name + = " .png " ;
if ( ! local_storage - > save_screenshot ( screenshot_name , ( uint8_t * ) pixels . data ( ) , nWidth , nHeight , 4 ) )
return INVALID_SCREENSHOT_HANDLE ;
auto handle = create_screenshot_handle ( ) ;
auto & infos = _screenshots [ handle ] ;
infos . screenshot_name = buff ;
return handle ;
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}
// Causes the Steam overlay to take a screenshot. If screenshots are being hooked by the game then a ScreenshotRequested_t callback is sent back to the game instead.
void Steam_Screenshots : : TriggerScreenshot ( )
{
PRINT_DEBUG ( " TriggerScreenshot \n " ) ;
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if ( hooked )
{
ScreenshotRequested_t data ;
callbacks - > addCBResult ( data . k_iCallback , & data , sizeof ( data ) ) ;
}
else
{
PRINT_DEBUG ( " TODO: Make the overlay take a screenshot " ) ;
}
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}
// Toggles whether the overlay handles screenshots when the user presses the screenshot hotkey, or the game handles them. If the game is hooking screenshots,
// then the ScreenshotRequested_t callback will be sent if the user presses the hotkey, and the game is expected to call WriteScreenshot or AddScreenshotToLibrary
// in response.
void Steam_Screenshots : : HookScreenshots ( bool bHook )
{
PRINT_DEBUG ( " HookScreenshots \n " ) ;
hooked = bHook ;
}
// Sets metadata about a screenshot's location (for example, the name of the map)
bool Steam_Screenshots : : SetLocation ( ScreenshotHandle hScreenshot , const char * pchLocation )
{
PRINT_DEBUG ( " SetLocation \n " ) ;
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auto it = _screenshots . find ( hScreenshot ) ;
if ( it = = _screenshots . end ( ) )
return false ;
it - > second . metadatas [ " locations " ] . push_back ( pchLocation ) ;
local_storage - > write_json_file ( Local_Storage : : screenshots_folder , it - > second . screenshot_name + " .json " , it - > second . metadatas ) ;
return true ;
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}
// Tags a user as being visible in the screenshot
bool Steam_Screenshots : : TagUser ( ScreenshotHandle hScreenshot , CSteamID steamID )
{
PRINT_DEBUG ( " TagUser \n " ) ;
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auto it = _screenshots . find ( hScreenshot ) ;
if ( it = = _screenshots . end ( ) )
return false ;
it - > second . metadatas [ " users " ] . push_back ( uint64_t ( steamID . ConvertToUint64 ( ) ) ) ;
local_storage - > write_json_file ( Local_Storage : : screenshots_folder , it - > second . screenshot_name + " .json " , it - > second . metadatas ) ;
return true ;
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}
// Tags a published file as being visible in the screenshot
bool Steam_Screenshots : : TagPublishedFile ( ScreenshotHandle hScreenshot , PublishedFileId_t unPublishedFileID )
{
PRINT_DEBUG ( " TagPublishedFile \n " ) ;
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auto it = _screenshots . find ( hScreenshot ) ;
if ( it = = _screenshots . end ( ) )
return false ;
it - > second . metadatas [ " published_files " ] . push_back ( uint64_t ( unPublishedFileID ) ) ;
local_storage - > write_json_file ( Local_Storage : : screenshots_folder , it - > second . screenshot_name + " .json " , it - > second . metadatas ) ;
return true ;
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}
// Returns true if the app has hooked the screenshot
bool Steam_Screenshots : : IsScreenshotsHooked ( )
{
PRINT_DEBUG ( " IsScreenshotsHooked \n " ) ;
return hooked ;
}
// Adds a VR screenshot to the user's screenshot library from disk in the supported type.
// pchFilename should be the normal 2D image used in the library view
// pchVRFilename should contain the image that matches the correct type
// The return value is a handle that is valid for the duration of the game process and can be used to apply tags.
// JPEG, TGA, and PNG formats are supported.
ScreenshotHandle Steam_Screenshots : : AddVRScreenshotToLibrary ( EVRScreenshotType eType , const char * pchFilename , const char * pchVRFilename )
{
PRINT_DEBUG ( " AddVRScreenshotToLibrary \n " ) ;
return INVALID_SCREENSHOT_HANDLE ;
}