Function saveHeader

TheForceEngine/TFE_Game/saveSystem.cpp:47–123

	}

	void saveHeader(Stream* stream, const char* saveName)
	{
		// Generate a screenshot.
		DisplayInfo displayInfo;
		TFE_RenderBackend::getDisplayInfo(&displayInfo);
		size_t size = displayInfo.width * displayInfo.height * 4;
		if (size > s_imageBufferSize[0])
		{
			s_imageBuffer[0] = (u32*)realloc(s_imageBuffer[0], size);
			s_imageBufferSize[0] = size;
		}
		TFE_RenderBackend::captureScreenToMemory(s_imageBuffer[0]);
		// Save to memory.
		u8* png = (u8*)malloc(SAVE_IMAGE_WIDTH * SAVE_IMAGE_HEIGHT * 4);
		u32 pngSize = 0;
		if (png)
		{
			pngSize = (u32)TFE_Image::writeImageToMemory(png, displayInfo.width, displayInfo.height,
								 SAVE_IMAGE_WIDTH, SAVE_IMAGE_HEIGHT,
								 s_imageBuffer[0]);
		}
		else
		{
			pngSize = 0;
			png = (u8*)s_imageBuffer[0];
		}

		// Master version.
		u32 version = SVER_CUR;
		stream->write(&version);

		// Save Name.
		size_t saveNameLen = strlen(saveName);
		if (saveNameLen > SAVE_MAX_NAME_LEN - 1) { saveNameLen = SAVE_MAX_NAME_LEN - 1; }
		u8 len = (u8)saveNameLen;
		stream->write(&len);
		stream->writeBuffer(saveName, len);

		// Time and Date of Save.
		char timeDate[256];
		TFE_System::getDateTimeString(timeDate);
		len = (u8)strlen(timeDate);
		stream->write(&len);
		stream->writeBuffer(timeDate, len);

		// Level Name
		char levelName[256];
		s_game->getLevelName(levelName);
		len = (u8)strlen(levelName);
		stream->write(&len);
		stream->writeBuffer(levelName, len);

		//Level ID
		char levelId[256];
		s_game->getLevelId(levelId);
		len = (u8)strlen(levelId);
		stream->write(&len);
		stream->writeBuffer(levelId, len);