#pragma once

#include "EmberCommon.h"

/// <summary>
/// EmberOptionEntry and EmberOptions classes.
/// </summary>

static const char* DescriptionString = "Ember - Fractal flames C++ port and enhancement with OpenCL GPU support";

/// <summary>
/// Enum for specifying which command line programs an option is meant to be used with.
/// If an option is used with multiple programs, their values are ORed together.
/// </summary>
enum class eOptionUse : et
{
	OPT_USE_RENDER  = 1,
	OPT_USE_ANIMATE = 1 << 1,
	OPT_USE_GENOME  = 1 << 2,
	OPT_RENDER_ANIM = et(eOptionUse::OPT_USE_RENDER)  | et(eOptionUse::OPT_USE_ANIMATE),
	OPT_ANIM_GENOME = et(eOptionUse::OPT_USE_ANIMATE) | et(eOptionUse::OPT_USE_GENOME),
	OPT_USE_ALL     = et(eOptionUse::OPT_USE_RENDER)  | et(eOptionUse::OPT_USE_ANIMATE) | et(eOptionUse::OPT_USE_GENOME)
};

/// <summary>
/// Unique identifiers for every available option across all programs.
/// </summary>
enum class eOptionIDs : et
{
	//Diagnostic args.
	OPT_HELP,
	OPT_VERSION,
	OPT_VERBOSE,
	OPT_DEBUG,
	OPT_DUMP_ARGS,
	OPT_PROGRESS,
	OPT_DUMP_OPENCL_INFO,
	OPT_ALL_VARS,
	OPT_REG_VARS,
	OPT_PRE_VARS,
	OPT_POST_VARS,
	OPT_SUM_VARS,
	OPT_ASSIGN_VARS,
	OPT_PPSUM_VARS,
	OPT_PPASSIGN_VARS,
	OPT_DC_VARS,
	OPT_STATE_VARS,
	OPT_PAR_VARS,
	OPT_NON_PAR_VARS,

	//Boolean args.
	OPT_OPENCL,
	OPT_SP,
	OPT_EARLYCLIP,
	OPT_POS_Y_UP,
	OPT_TRANSPARENCY,
	OPT_NAME_ENABLE,
	OPT_INT_PALETTE,
	OPT_HEX_PALETTE,
	OPT_INSERT_PALETTE,
	OPT_JPEG_COMMENTS,
	OPT_PNG_COMMENTS,
	OPT_WRITE_GENOME,
	OPT_THREADED_WRITE,
	OPT_ENCLOSED,
	OPT_NO_EDITS,
	OPT_UNSMOOTH_EDGE,
	OPT_CW_LOOPS,
	OPT_CW_INTERP_LOOPS,
	OPT_LOCK_ACCUM,
	OPT_DUMP_KERNEL,

	//Value args.
	OPT_NTHREADS,//Int value args.
	OPT_STRIPS,
	OPT_SUPERSAMPLE,
	OPT_TEMPSAMPLES,
	OPT_BPC,
	OPT_PRINT_EDIT_DEPTH,
	OPT_JPEG,
	OPT_BEGIN,
	OPT_END,
	OPT_FRAME,
	OPT_DTIME,
	OPT_LOOP_FRAMES,
	OPT_INTERP_FRAMES,
	OPT_INTERP_LOOPS,
	OPT_SYMMETRY,
	OPT_SHEEP_GEN,
	OPT_SHEEP_ID,
	OPT_REPEAT,
	OPT_TRIES,
	OPT_MAX_XFORMS,
	OPT_START_COUNT,
	OPT_PADDING,
	OPT_PRIORITY,

	OPT_SS,//Float value args.
	OPT_QS,
	OPT_QUALITY,
	OPT_DE_MIN,
	OPT_DE_MAX,
	OPT_PIXEL_ASPECT,
	OPT_STAGGER,
	OPT_AVG_THRESH,
	OPT_BLACK_THRESH,
	OPT_WHITE_LIMIT,
	OPT_SPEED,
	OPT_OFFSETX,
	OPT_OFFSETY,
	OPT_USEMEM,
	OPT_LOOPS,

	OPT_OPENCL_DEVICE,//String value args.
	OPT_ISAAC_SEED,
	OPT_IN,
	OPT_OUT,
	OPT_PREFIX,
	OPT_SUFFIX,
	OPT_FORMAT,
	OPT_PALETTE_FILE,
	//OPT_PALETTE_IMAGE,
	OPT_ID,
	OPT_URL,
	OPT_NICK,
	OPT_COMMENT,
	OPT_TEMPLATE,
	OPT_CLONE,
	OPT_CLONE_ALL,
	OPT_CLONE_ACTION,
	OPT_ANIMATE,
	OPT_MUTATE,
	OPT_CROSS0,
	OPT_CROSS1,
	OPT_METHOD,
	OPT_INTER,
	OPT_ROTATE,
	OPT_SEQUENCE,
	OPT_USE_VARS,
	OPT_DONT_USE_VARS,
	OPT_EXTRAS
};

class EmberOptions;

/// <summary>
/// A single option.
/// Template argument expected to be bool, int, uint, double or string.
/// </summary>
template <typename T>
class EmberOptionEntry
{
	friend class EmberOptions;

private:
	/// <summary>
	/// Default constructor. This should never be used, instead use the one that takes arguments.
	/// </summary>
	EmberOptionEntry()
	{
		m_Option.nId = 0;
		m_Option.pszArg = _T("--fillmein");
		m_Option.nArgType = SO_NONE;
	}

public:
	/// <summary>
	/// Constructor that takes arguments.
	/// </summary>
	/// <param name="optUsage">The specified program usage</param>
	/// <param name="optId">The option identifier enum</param>
	/// <param name="arg">The command line argument (--arg)</param>
	/// <param name="defaultVal">The default value to use the option was not given on the command line</param>
	/// <param name="argType">The format the argument should be given in</param>
	/// <param name="docString">The documentation string describing what the argument means</param>
	EmberOptionEntry(eOptionUse optUsage, eOptionIDs optId, const CharT* arg, T defaultVal, ESOArgType argType, const string& docString)
	{
		m_OptionUse = optUsage;
		m_Option.nId = int(optId);
		m_Option.pszArg = arg;
		m_Option.nArgType = argType;
		m_DocString = docString;
		m_NameWithoutDashes = Trim(string(arg), '-');
		m_Val = Arg<T>(const_cast<char*>(m_NameWithoutDashes.c_str()), defaultVal);
	}

	/// <summary>
	/// Copy constructor.
	/// </summary>
	/// <param name="entry">The EmberOptionEntry object to copy</param>
	EmberOptionEntry(const EmberOptionEntry& entry)
	{
		*this = entry;
	}

	/// <summary>
	/// Default assignment operator.
	/// </summary>
	/// <param name="entry">The EmberOptionEntry object to copy</param>
	EmberOptionEntry<T>& operator = (const EmberOptionEntry<T>& entry)
	{
		if (this != &entry)
		{
			m_OptionUse = entry.m_OptionUse;
			m_Option = entry.m_Option;
			m_DocString = entry.m_DocString;
			m_NameWithoutDashes = entry.m_NameWithoutDashes;
			m_Val = entry.m_Val;
		}

		return *this;
	}

	/// <summary>
	/// Functor accessors.
	/// </summary>
	inline const T& operator() (void) const { return m_Val; }
	inline void operator() (T t) { m_Val = t; }

private:
	eOptionUse m_OptionUse = eOptionUse::OPT_USE_ALL;
	CSimpleOpt::SOption m_Option;
	string m_DocString = "Dummy doc";
	string m_NameWithoutDashes;
	T m_Val;
};

/// <summary>
/// Macros for setting up and parsing various option types.
/// </summary>

//Bool.
#define Eob EmberOptionEntry<bool>
#define INITBOOLOPTION(member, option) \
	member = option; \
	m_BoolArgs.push_back(&member)

#define PARSEBOOLOPTION(e, member) \
	case (e): \
	{ \
		if (member.m_Option.nArgType == SO_OPT) \
		{ \
			member(!_stricmp(args.OptionArg(), "true")); \
		} \
		else \
		{ \
			member(true); \
		} \
	} \
	break

//Parsing is the same for all numerical option types.
#define PARSEOPTION(e, member) \
	case (e): \
	{ \
		ss.clear(); \
		ss.str(args.OptionArg()); \
		ss >> member.m_Val; \
		break; \
	}

//Int.
#define Eoi EmberOptionEntry<intmax_t>
#define INITINTOPTION(member, option) \
	member = option; \
	m_IntArgs.push_back(&member)

//Uint.
#define Eou EmberOptionEntry<size_t>
#define INITUINTOPTION(member, option) \
	member = option; \
	m_UintArgs.push_back(&member)

//Double.
#define Eod EmberOptionEntry<double>
#define INITDOUBLEOPTION(member, option) \
	member = option; \
	m_DoubleArgs.push_back(&member)

//String.
#define Eos EmberOptionEntry<string>
#define INITSTRINGOPTION(member, option) \
	member = option; \
	m_StringArgs.push_back(&member)

/// <summary>
/// Class for holding all available options across all command line programs.
/// Some are used only for a single program, while others are used for more than one.
/// This prevents having to keep separate documentation strings around for different programs.
/// </summary>
class EmberOptions
{
public:
	/// <summary>
	/// Constructor that populates all available options.
	/// </summary>
	EmberOptions()
	{
		const size_t size = 40;
		m_BoolArgs.reserve(size);
		m_IntArgs.reserve(size);
		m_UintArgs.reserve(size);
		m_DoubleArgs.reserve(size);
		m_StringArgs.reserve(size);
		//Informational bools.
		INITBOOLOPTION(Help,           Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_HELP,             _T("--help"),                 false,                SO_NONE,     "   --help                    Show this screen and exit.\n"));
		INITBOOLOPTION(Version,        Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_VERSION,          _T("--version"),              false,                SO_NONE,     "   --version                 Show version and exit.\n"));
		INITBOOLOPTION(OpenCLInfo,     Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_DUMP_OPENCL_INFO, _T("--openclinfo"),           false,                SO_NONE,     "   --openclinfo              Display platforms and devices for OpenCL and exit.\n"));
		INITBOOLOPTION(AllVars,        Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_ALL_VARS,         _T("--allvars"),              false,                SO_NONE,     "   --allvars                 Display the names of all supported variations and exit.\n"));
		INITBOOLOPTION(RegVars,        Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_REG_VARS,         _T("--regvars"),              false,                SO_NONE,     "   --regvars                 Display the names of all supported regular variations and exit.\n"));
		INITBOOLOPTION(PreVars,        Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_PRE_VARS,         _T("--prevars"),              false,                SO_NONE,     "   --prevars                 Display the names of all supported pre variations and exit.\n"));
		INITBOOLOPTION(PostVars,       Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_POST_VARS,        _T("--postvars"),             false,                SO_NONE,     "   --postvars                Display the names of all supported post variations and exit.\n"));
		INITBOOLOPTION(SumVars,        Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_SUM_VARS,         _T("--sumvars"),              false,                SO_NONE,     "   --sumvars                 Display the names of all regular variations which have the standard behavior of summing their output, and exit.\n"));
		INITBOOLOPTION(AssignVars,     Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_ASSIGN_VARS,      _T("--assignvars"),           false,                SO_NONE,     "   --assignvars              Display the names of all regular variations which have the non-standard behavior of assigning their output, and exit.\n"));
		INITBOOLOPTION(PpSumVars,      Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_PPSUM_VARS,       _T("--ppsumvars"),            false,                SO_NONE,     "   --ppsumvars               Display the names of all pre/post variations which have the non-standard behavior of summing their output, and exit.\n"));
		INITBOOLOPTION(PpAssignVars,   Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_PPASSIGN_VARS,    _T("--ppassignvars"),         false,                SO_NONE,     "   --ppassignvars            Display the names of all pre/post variations which have the standard behavior of assigning their output, and exit.\n"));
		INITBOOLOPTION(DcVars,         Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_DC_VARS,          _T("--dcvars"),               false,                SO_NONE,     "   --dcvars                  Display the names of all variations which alter the color index and exit.\n"));
		INITBOOLOPTION(StateVars,      Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_STATE_VARS,       _T("--statevars"),            false,                SO_NONE,     "   --statevars               Display the names of all variations which alter their state on each iteration and exit.\n"));
		INITBOOLOPTION(ParVars,        Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_PAR_VARS,         _T("--parvars"),              false,                SO_NONE,     "   --parvars                 Display the names of all variations which have parameters and exit.\n"));
		INITBOOLOPTION(NonParVars,     Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_NON_PAR_VARS,     _T("--nonparvars"),           false,                SO_NONE,     "   --nonparvars              Display the names of all variations which do not have parameters (weight only) and exit.\n"));
		//Diagnostic bools.
		INITBOOLOPTION(Verbose,        Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_VERBOSE,          _T("--verbose"),              false,                SO_NONE,     "   --verbose                 Verbose output [default: false].\n"));
		INITBOOLOPTION(Debug,          Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_DEBUG,            _T("--debug"),                false,                SO_NONE,     "   --debug                   Debug output [default: false].\n"));
		INITBOOLOPTION(DumpArgs,       Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_DUMP_ARGS,        _T("--dumpargs"),             false,                SO_NONE,     "   --dumpargs                Print all arguments entered from either the command line or environment variables [default: false].\n"));
		INITBOOLOPTION(DoProgress,     Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_PROGRESS,         _T("--progress"),             false,                SO_NONE,     "   --progress                Display progress. This will slow down processing by about 10% [default: false].\n"));
		//Execution bools.
		INITBOOLOPTION(EmberCL,        Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_OPENCL,           _T("--opencl"),               false,                SO_NONE,     "   --opencl                  Use OpenCL renderer (EmberCL) for rendering [default: false].\n"));
		INITBOOLOPTION(Sp,             Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_SP,               _T("--sp"),                   false,                SO_NONE,     "   --sp                      Use single precision for rendering instead of double precision [default: false].\n"));
		INITBOOLOPTION(EarlyClip,      Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_EARLYCLIP,        _T("--earlyclip"),            false,                SO_NONE,     "   --earlyclip               Perform clipping of RGB values before spatial filtering for better antialiasing and resizing [default: false].\n"));
		INITBOOLOPTION(YAxisUp,        Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_POS_Y_UP,         _T("--yaxisup"),              false,                SO_NONE,     "   --yaxisup                 Orient the image with the positive y axis pointing up [default: false].\n"));
		INITBOOLOPTION(Transparency,   Eob(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_TRANSPARENCY,     _T("--transparency"),         false,                SO_NONE,     "   --transparency            Include alpha channel in final output [default: false except for PNG].\n"));
		INITBOOLOPTION(NameEnable,     Eob(eOptionUse::OPT_USE_RENDER,  eOptionIDs::OPT_NAME_ENABLE,      _T("--name_enable"),          false,                SO_NONE,     "   --name_enable             Use the name attribute contained in the Xml as the output filename [default: false].\n"));
		INITBOOLOPTION(HexPalette,     Eob(eOptionUse::OPT_ANIM_GENOME, eOptionIDs::OPT_HEX_PALETTE,      _T("--hex_palette"),          true,                 SO_OPT,      "   --hex_palette             Force palette RGB values to be hex when saving to Xml [default: true].\n"));
		INITBOOLOPTION(InsertPalette,  Eob(eOptionUse::OPT_USE_RENDER,  eOptionIDs::OPT_INSERT_PALETTE,   _T("--insert_palette"),       false,                SO_NONE,     "   --insert_palette          Insert the palette into the image for debugging purposes. Disabled when running with OpenCL [default: false].\n"));
		INITBOOLOPTION(JpegComments,   Eob(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_JPEG_COMMENTS,	  _T("--enable_jpg_comments"),  false,				  SO_NONE,	   "   --enable_jpg_comments     Enables embedding the flame parameters and user identifying information in the jpeg header [default: false].\n"));
		INITBOOLOPTION(PngComments,    Eob(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_PNG_COMMENTS,	  _T("--enable_png_comments"),  false,				  SO_NONE,	   "   --enable_png_comments     Enables embedding the flame parameters and user identifying information in the png header [default: false].\n"));
		INITBOOLOPTION(WriteGenome,    Eob(eOptionUse::OPT_USE_ANIMATE, eOptionIDs::OPT_WRITE_GENOME,     _T("--write_genome"),         false,                SO_NONE,     "   --write_genome            Write out flame associated with center of motion blur window [default: false].\n"));
		INITBOOLOPTION(ThreadedWrite,  Eob(eOptionUse::OPT_USE_ANIMATE, eOptionIDs::OPT_THREADED_WRITE,   _T("--threaded_write"),       true,                 SO_OPT,      "   --threaded_write          Use a separate thread to write images to disk. This gives better performance, but doubles the memory required for the final output buffer. [default: true].\n"));
		INITBOOLOPTION(Enclosed,	   Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_ENCLOSED,		  _T("--enclosed"),				true,				  SO_OPT,	   "   --enclosed                Use enclosing Xml tags [default: true].\n"));
		INITBOOLOPTION(NoEdits,        Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_NO_EDITS,         _T("--noedits"),              false,                SO_NONE,     "   --noedits                 Exclude edit tags when writing Xml [default: false].\n"));
		INITBOOLOPTION(UnsmoothEdge,   Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_UNSMOOTH_EDGE,    _T("--unsmoother"),           false,                SO_NONE,     "   --unsmoother              Do not use smooth blending for sheep edges [default: false].\n"));
		INITBOOLOPTION(CwLoops,        Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_CW_LOOPS,         _T("--cwloops"),              false,                SO_NONE,     "   --cwloops                 Rotate loops clockwise [default: false].\n"));
		INITBOOLOPTION(CwInterpLoops,  Eob(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_CW_INTERP_LOOPS,  _T("--cwinterploops"),        false,                SO_NONE,     "   --cwinterploops           Rotate clockwise during interpolation, ignored if --interploops is 0 [default: false].\n"));
		INITBOOLOPTION(LockAccum,	   Eob(eOptionUse::OPT_USE_ALL,		eOptionIDs::OPT_LOCK_ACCUM,       _T("--lock_accum"),           false,                SO_NONE,     "   --lock_accum              Lock threads when accumulating to the histogram using the CPU. This will drop performance to that of single threading [default: false].\n"));
		INITBOOLOPTION(DumpKernel,	   Eob(eOptionUse::OPT_USE_RENDER,	eOptionIDs::OPT_DUMP_KERNEL,      _T("--dump_kernel"),          false,                SO_NONE,     "   --dump_kernel             Print the iteration kernel string when using OpenCL (ignored for CPU) [default: false].\n"));
		//Int.
		INITINTOPTION(Symmetry,        Eoi(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_SYMMETRY,         _T("--symmetry"),					0,			   SO_REQ_SEP,	   "   --symmetry=<val>          Set symmetry of result [default: 0].\n"));
		INITINTOPTION(SheepGen,        Eoi(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_SHEEP_GEN,        _T("--sheep_gen"),	           -1,			   SO_REQ_SEP,	   "   --sheep_gen=<val>         Sheep generation of this flame [default: -1].\n"));
		INITINTOPTION(SheepId,         Eoi(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_SHEEP_ID,         _T("--sheep_id"),				   -1,			   SO_REQ_SEP,	   "   --sheep_id=<val>          Sheep ID of this flame [default: -1].\n"));
#ifdef _WIN32
		INITINTOPTION(Priority,		   Eoi(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_PRIORITY,		  _T("--priority"), int(eThreadPriority::NORMAL),  SO_REQ_SEP,	   "   --priority=<val>          The priority of the CPU rendering threads from -2 - 2. This does not apply to OpenCL rendering.\n"));
#else
		INITINTOPTION(Priority,		   Eoi(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_PRIORITY,		  _T("--priority"),	int(eThreadPriority::NORMAL),  SO_REQ_SEP,	   "   --priority=<val>          The priority of the CPU rendering threads, 1, 25, 50, 75, 99. This does not apply to OpenCL rendering.\n"));
#endif
		//Uint.
		INITUINTOPTION(ThreadCount,     Eou(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_NTHREADS,         _T("--nthreads"),             0,                    SO_REQ_SEP, "   --nthreads=<val>          The number of threads to use [default: use all available cores].\n"));
		INITUINTOPTION(Strips,		    Eou(eOptionUse::OPT_USE_RENDER,  eOptionIDs::OPT_STRIPS,           _T("--nstrips"),              1,                    SO_REQ_SEP, "   --nstrips=<val>           The number of fractions to split a single render frame into. Useful for print size renders or low memory systems [default: 1].\n"));
		INITUINTOPTION(Supersample,     Eou(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_SUPERSAMPLE,      _T("--supersample"),          0,                    SO_REQ_SEP, "   --supersample=<val>       The supersample value used to override the one specified in the file [default: 0 (use value from file), Range: 0 - 4].\n"));
		INITUINTOPTION(TemporalSamples, Eou(eOptionUse::OPT_USE_ANIMATE, eOptionIDs::OPT_TEMPSAMPLES,      _T("--ts"),                   0,                    SO_REQ_SEP, "   --ts=<val>                The temporal samples value used to override all of the temporal sample values specified in the file when animating [default: 0 (use value from file)].\n"));
		INITUINTOPTION(BitsPerChannel,  Eou(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_BPC,              _T("--bpc"),                  8,                    SO_REQ_SEP, "   --bpc=<val>               Bits per channel. 8 or 16 for PNG, 8 for all others, always 8 with OpenCL [default: 8].\n"));
		INITUINTOPTION(PrintEditDepth,  Eou(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_PRINT_EDIT_DEPTH, _T("--print_edit_depth"),     0,                    SO_REQ_SEP, "   --print_edit_depth=<val>  Depth to truncate <edit> tag structure when converting a flame to Xml. 0 prints all <edit> tags [default: 0].\n"));
		INITUINTOPTION(JpegQuality,     Eou(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_JPEG,             _T("--jpeg"),                 95,                   SO_REQ_SEP, "   --jpeg=<val>              Jpeg quality 0-100 for compression [default: 95].\n"));
		INITUINTOPTION(FirstFrame,      Eou(eOptionUse::OPT_USE_ANIMATE, eOptionIDs::OPT_BEGIN,            _T("--begin"),                UINT_MAX,             SO_REQ_SEP, "   --begin=<val>             Time of first frame to render [default: first time specified in file].\n"));
		INITUINTOPTION(LastFrame,       Eou(eOptionUse::OPT_USE_ANIMATE, eOptionIDs::OPT_END,              _T("--end"),	                 UINT_MAX,             SO_REQ_SEP, "   --end=<val>               Time of last frame to render [default: last time specified in the input file].\n"));
		INITUINTOPTION(Frame,           Eou(eOptionUse::OPT_ANIM_GENOME, eOptionIDs::OPT_FRAME,            _T("--frame"),                UINT_MAX,             SO_REQ_SEP, "   --frame=<val>             Time of first and last frame (ie do one frame).\n"));
		INITUINTOPTION(Dtime,           Eou(eOptionUse::OPT_USE_ANIMATE, eOptionIDs::OPT_DTIME,            _T("--dtime"),                1,                    SO_REQ_SEP, "   --dtime=<val>             Time between frames [default: 1].\n"));
		INITUINTOPTION(LoopFrames,      Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_LOOP_FRAMES,      _T("--loopframes"),           20,                   SO_REQ_SEP, "   --loopframes=<val>        Number of frames per loop in the animation [default: 20].\n"));
		INITUINTOPTION(InterpFrames,    Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_INTERP_FRAMES,    _T("--interpframes"),         20,                   SO_REQ_SEP, "   --interpframes=<val>      Number of frames per interpolation in the animation [default: 20].\n"));
		INITUINTOPTION(InterpLoops,     Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_INTERP_LOOPS,     _T("--interploops"),          1,                    SO_REQ_SEP, "   --interploops=<val>       The number of 360 degree loops to rotate when interpolating between keyframes [default: 1].\n"));
		INITUINTOPTION(Repeat,          Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_REPEAT,           _T("--repeat"),               1,                    SO_REQ_SEP, "   --repeat=<val>            Number of new flames to create. Ignored if sequence, inter or rotate were specified [default: 1].\n"));
		INITUINTOPTION(Tries,           Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_TRIES,            _T("--tries"),                10,                   SO_REQ_SEP, "   --tries=<val>             Number times to try creating a flame that meets the specified constraints. Ignored if sequence, inter or rotate were specified [default: 10].\n"));
		INITUINTOPTION(MaxXforms,       Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_MAX_XFORMS,       _T("--maxxforms"),            UINT_MAX,             SO_REQ_SEP, "   --maxxforms=<val>         The maximum number of xforms allowed in the final output.\n"));
		INITUINTOPTION(StartCount,      Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_START_COUNT,      _T("--startcount"),           0,                    SO_REQ_SEP, "   --startcount=<val>        The number to add to each flame name when generating a sequence. Useful for programs like ffmpeg which require numerically increasing filenames [default: 0].\n"));
		INITUINTOPTION(Padding,         Eou(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_PADDING,          _T("--padding"),              0,                    SO_REQ_SEP, "   --padding=<val>           Override the amount of zero padding added to each flame name when generating a sequence. Useful for programs like ffmpeg which require fixed width filenames [default: 0 (auto calculate padding)].\n"));
		//Double.
		INITDOUBLEOPTION(SizeScale,    Eod(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_SS,               _T("--ss"),                   1.0,                   SO_REQ_SEP,  "   --ss=<val>                Size scale. All dimensions are scaled by this amount [default: 1.0].\n"));
		INITDOUBLEOPTION(QualityScale, Eod(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_QS,               _T("--qs"),                   1.0,                   SO_REQ_SEP,  "   --qs=<val>                Quality scale. All quality values are scaled by this amount [default: 1.0].\n"));
		INITDOUBLEOPTION(Quality,	   Eod(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_QUALITY,		  _T("--quality"),				0.0,                   SO_REQ_SEP,  "   --quality=<val>           Override the quality of the flame if not 0 [default: 0].\n"));
		INITDOUBLEOPTION(DeMin,		   Eod(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_DE_MIN,			  _T("--demin"),			   -1.0,                   SO_REQ_SEP,  "   --demin=<val>             Override the minimum size of the density estimator filter radius if not -1 [default: -1].\n"));
		INITDOUBLEOPTION(DeMax,		   Eod(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_DE_MAX,			  _T("--demax"),			   -1.0,                   SO_REQ_SEP,  "   --demax=<val>             Override the maximum size of the density estimator filter radius if not -1 [default: -1].\n"));
		INITDOUBLEOPTION(AspectRatio,  Eod(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_PIXEL_ASPECT,     _T("--pixel_aspect"),         1.0,                   SO_REQ_SEP,  "   --pixel_aspect=<val>      Aspect ratio of pixels (width over height), eg. 0.90909 for NTSC [default: 1.0].\n"));
		INITDOUBLEOPTION(Stagger,      Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_STAGGER,          _T("--stagger"),              0.0,                   SO_REQ_SEP,  "   --stagger=<val>           Affects simultaneity of xform interpolation during flame interpolation.\n"
										   "\t                         Represents how 'separate' the xforms are interpolated. Set to 1 for each\n"
										   "\t                         xform to be interpolated individually, fractions control interpolation overlap [default: 0].\n"));
		INITDOUBLEOPTION(AvgThresh,    Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_AVG_THRESH,       _T("--avg"),                  20.0,                 SO_REQ_SEP,  "   --avg=<val>               Minimum average pixel channel sum (r + g + b) threshold from 0 - 765. Ignored if sequence, inter or rotate were specified [default: 20].\n"));
		INITDOUBLEOPTION(BlackThresh,  Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_BLACK_THRESH,     _T("--black"),                0.01,                 SO_REQ_SEP,  "   --black=<val>             Minimum number of allowed black pixels as a percentage from 0 - 1. Ignored if sequence, inter or rotate were specified [default: 0.01].\n"));
		INITDOUBLEOPTION(WhiteLimit,   Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_WHITE_LIMIT,      _T("--white"),                0.05,                 SO_REQ_SEP,  "   --white=<val>             Maximum number of allowed white pixels as a percentage from 0 - 1. Ignored if sequence, inter or rotate were specified [default: 0.05].\n"));
		INITDOUBLEOPTION(Speed,        Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_SPEED,            _T("--speed"),                0.1,                  SO_REQ_SEP,  "   --speed=<val>             Speed as a percentage from 0 - 1 that the affine transform of an existing flame mutates with the new flame. Ignored if sequence, inter or rotate were specified [default: 0.1].\n"));
		INITDOUBLEOPTION(OffsetX,      Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_OFFSETX,          _T("--offsetx"),              0.0,                  SO_REQ_SEP,  "   --offsetx=<val>           Amount to jitter each flame horizontally when applying genome tools [default: 0].\n"));
		INITDOUBLEOPTION(OffsetY,      Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_OFFSETY,          _T("--offsety"),              0.0,                  SO_REQ_SEP,  "   --offsety=<val>           Amount to jitter each flame vertically when applying genome tools [default: 0].\n"));
		INITDOUBLEOPTION(UseMem,       Eod(eOptionUse::OPT_USE_RENDER,  eOptionIDs::OPT_USEMEM,           _T("--use_mem"),              0.0,                  SO_REQ_SEP,  "   --use_mem=<val>           Number of bytes of memory to use [default: max system memory].\n"));
		INITDOUBLEOPTION(Loops,        Eod(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_LOOPS,            _T("--loops"),                1.0,                  SO_REQ_SEP,  "   --loops=<val>             Number of times to rotate each control point in sequence [default: 1].\n"));
		//String.
		INITSTRINGOPTION(Device,	   Eos(eOptionUse::OPT_USE_ALL,		eOptionIDs::OPT_OPENCL_DEVICE,	  _T("--device"),				"0",				  SO_REQ_SEP,  "   --device                  The comma-separated OpenCL device indices to use. Single device: 0 Multi device: 0,1,3,4 [default: 0].\n"));
		INITSTRINGOPTION(IsaacSeed,    Eos(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_ISAAC_SEED,       _T("--isaac_seed"),           "",                   SO_REQ_SEP,  "   --isaac_seed=<val>        Character-based seed for the random number generator [default: random].\n"));
		INITSTRINGOPTION(Input,        Eos(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_IN,               _T("--in"),                   "",                   SO_REQ_SEP,  "   --in=<val>                Name of the input file.\n"));
		INITSTRINGOPTION(Out,          Eos(eOptionUse::OPT_USE_RENDER,	eOptionIDs::OPT_OUT,              _T("--out"),                  "",                   SO_REQ_SEP,  "   --out=<val>               Name of a single output file. Not recommended when rendering more than one image.\n"));
		INITSTRINGOPTION(Prefix,       Eos(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_PREFIX,           _T("--prefix"),               "",                   SO_REQ_SEP,  "   --prefix=<val>            Prefix to prepend to all output files.\n"));
		INITSTRINGOPTION(Suffix,       Eos(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_SUFFIX,           _T("--suffix"),               "",                   SO_REQ_SEP,  "   --suffix=<val>            Suffix to append to all output files.\n"));
		INITSTRINGOPTION(Format,       Eos(eOptionUse::OPT_RENDER_ANIM, eOptionIDs::OPT_FORMAT,           _T("--format"),               "png",                SO_REQ_SEP,  "   --format=<val>            Format of the output file. Valid values are: bmp, jpg, png [default: png].\n"));
		INITSTRINGOPTION(PalettePath,  Eos(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_PALETTE_FILE,     _T("--flam3_palettes"),       "flam3-palettes.xml", SO_REQ_SEP,  "   --flam3_palettes=<val>    Path and name of the palette file [default: flam3-palettes.xml].\n"));
		INITSTRINGOPTION(Id,           Eos(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_ID,               _T("--id"),                   "",                   SO_REQ_SEP,  "   --id=<val>                ID to use in <edit> tags / image comments.\n"));
		INITSTRINGOPTION(Url,          Eos(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_URL,              _T("--url"),                  "",                   SO_REQ_SEP,  "   --url=<val>               URL to use in <edit> tags / image comments.\n"));
		INITSTRINGOPTION(Nick,         Eos(eOptionUse::OPT_USE_ALL,     eOptionIDs::OPT_NICK,             _T("--nick"),                 "",                   SO_REQ_SEP,  "   --nick=<val>              Nickname to use in <edit> tags / image comments.\n"));
		INITSTRINGOPTION(Comment,      Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_COMMENT,          _T("--comment"),              "",                   SO_REQ_SEP,  "   --comment=<val>           Comment to use in <edit> tags.\n"));
		INITSTRINGOPTION(TemplateFile, Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_TEMPLATE,         _T("--template"),             "",                   SO_REQ_SEP,  "   --template=<val>          Apply defaults based on this flame.\n"));
		INITSTRINGOPTION(Clone,        Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_CLONE,            _T("--clone"),                "",                   SO_REQ_SEP,  "   --clone=<val>             Clone random flame in input.\n"));
		INITSTRINGOPTION(CloneAll,     Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_CLONE_ALL,        _T("--clone_all"),            "",                   SO_REQ_SEP,  "   --clone_all=<val>         Clones all flames in the input file. Useful for applying template to all flames.\n"));
		INITSTRINGOPTION(CloneAction,  Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_CLONE_ACTION,     _T("--clone_action"),         "",                   SO_REQ_SEP,  "   --clone_action=<val>      A description of the clone action taking place.\n"));
		INITSTRINGOPTION(Animate,      Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_ANIMATE,          _T("--animate"),              "",                   SO_REQ_SEP,  "   --animate=<val>           Interpolates between all flames in the input file, using times specified in file.\n"));
		INITSTRINGOPTION(Mutate,       Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_MUTATE,           _T("--mutate"),               "",                   SO_REQ_SEP,  "   --mutate=<val>            Randomly mutate a random flame from the input file.\n"));
		INITSTRINGOPTION(Cross0,       Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_CROSS0,           _T("--cross0"),               "",                   SO_REQ_SEP,  "   --cross0=<val>            Randomly select one flame from the input file to genetically cross...\n"));
		INITSTRINGOPTION(Cross1,       Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_CROSS1,           _T("--cross1"),               "",                   SO_REQ_SEP,  "   --cross1=<val>            ...with one flame from this file.\n"));
		INITSTRINGOPTION(Method,       Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_METHOD,           _T("--method"),               "",                   SO_REQ_SEP,  "   --method=<val>            Method used for genetic cross: alternate, interpolate, or union. For mutate: all_vars, one_xform, add_symmetry, post_xforms, color_palette, delete_xform, all_coefs [default: random].\n"));//Original ommitted this important documentation for mutate!
		INITSTRINGOPTION(Inter,        Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_INTER,            _T("--inter"),                "",                   SO_REQ_SEP,  "   --inter=<val>             Interpolate the input file.\n"));
		INITSTRINGOPTION(Rotate,       Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_ROTATE,           _T("--rotate"),               "",                   SO_REQ_SEP,  "   --rotate=<val>            Rotate the input file.\n"));
		INITSTRINGOPTION(Sequence,     Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_SEQUENCE,         _T("--sequence"),             "",                   SO_REQ_SEP,  "   --sequence=<val>          360 degree rotation 'loops' times of each control point in the input file plus rotating transitions.\n"));
		INITSTRINGOPTION(UseVars,      Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_USE_VARS,         _T("--use_vars"),             "",                   SO_REQ_SEP,  "   --use_vars=<val>          Comma separated list of variation #'s to use when generating a random flame.\n"));
		INITSTRINGOPTION(DontUseVars,  Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_DONT_USE_VARS,    _T("--dont_use_vars"),        "",                   SO_REQ_SEP,  "   --dont_use_vars=<val>     Comma separated list of variation #'s to NOT use when generating a random flame.\n"));
		INITSTRINGOPTION(Extras,       Eos(eOptionUse::OPT_USE_GENOME,  eOptionIDs::OPT_EXTRAS,           _T("--extras"),               "",                   SO_REQ_SEP,  "   --extras=<val>            Extra attributes to place in the flame section of the Xml.\n"));
	}

	/// <summary>
	/// Parse and populate the supplied command line options for the specified program usage.
	/// If --help or --version were specified, information will be printed
	/// and parsing will cease.
	/// </summary>
	/// <param name="argc">The number of command line arguments passed</param>
	/// <param name="argv">The command line arguments passed</param>
	/// <param name="optUsage">The program for which these options are to be parsed and used.</param>
	/// <returns>True if --help or --version specified, else false</returns>
	bool Populate(int argc, _TCHAR* argv[], eOptionUse optUsage)
	{
		EmberOptions options;
		vector<CSimpleOpt::SOption> sOptions = options.GetSimpleOptions();
		CSimpleOpt args(argc, argv, sOptions.data());
		stringstream ss;

		//Process args.
		while (args.Next())
		{
			ESOError errorCode = args.LastError();

			if (errorCode == SO_SUCCESS)
			{
				eOptionIDs e = eOptionIDs(args.OptionId());

				switch (e)
				{
					case eOptionIDs::OPT_HELP://Bool args.
					{
						ShowUsage(optUsage);
						return true;
					}

					case eOptionIDs::OPT_VERSION:
					{
						cout << EmberVersion() << "\n";
						return true;
					}

					PARSEBOOLOPTION(eOptionIDs::OPT_VERBOSE, Verbose);
					PARSEBOOLOPTION(eOptionIDs::OPT_DEBUG, Debug);
					PARSEBOOLOPTION(eOptionIDs::OPT_DUMP_ARGS, DumpArgs);
					PARSEBOOLOPTION(eOptionIDs::OPT_PROGRESS, DoProgress);
					PARSEBOOLOPTION(eOptionIDs::OPT_DUMP_OPENCL_INFO, OpenCLInfo);
					PARSEBOOLOPTION(eOptionIDs::OPT_ALL_VARS, AllVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_REG_VARS, RegVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_PRE_VARS, PreVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_POST_VARS, PostVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_SUM_VARS, SumVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_ASSIGN_VARS, AssignVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_PPSUM_VARS, PpSumVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_PPASSIGN_VARS, PpAssignVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_DC_VARS, DcVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_STATE_VARS, StateVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_PAR_VARS, ParVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_NON_PAR_VARS, NonParVars);
					PARSEBOOLOPTION(eOptionIDs::OPT_OPENCL, EmberCL);
					PARSEBOOLOPTION(eOptionIDs::OPT_SP, Sp);
					PARSEBOOLOPTION(eOptionIDs::OPT_EARLYCLIP, EarlyClip);
					PARSEBOOLOPTION(eOptionIDs::OPT_POS_Y_UP, YAxisUp);
					PARSEBOOLOPTION(eOptionIDs::OPT_TRANSPARENCY, Transparency);
					PARSEBOOLOPTION(eOptionIDs::OPT_NAME_ENABLE, NameEnable);
					PARSEBOOLOPTION(eOptionIDs::OPT_HEX_PALETTE, HexPalette);
					PARSEBOOLOPTION(eOptionIDs::OPT_INSERT_PALETTE, InsertPalette);
					PARSEBOOLOPTION(eOptionIDs::OPT_JPEG_COMMENTS, JpegComments);
					PARSEBOOLOPTION(eOptionIDs::OPT_PNG_COMMENTS, PngComments);
					PARSEBOOLOPTION(eOptionIDs::OPT_WRITE_GENOME, WriteGenome);
					PARSEBOOLOPTION(eOptionIDs::OPT_THREADED_WRITE, ThreadedWrite);
					PARSEBOOLOPTION(eOptionIDs::OPT_ENCLOSED, Enclosed);
					PARSEBOOLOPTION(eOptionIDs::OPT_NO_EDITS, NoEdits);
					PARSEBOOLOPTION(eOptionIDs::OPT_UNSMOOTH_EDGE, UnsmoothEdge);
					PARSEBOOLOPTION(eOptionIDs::OPT_CW_LOOPS, CwLoops);
					PARSEBOOLOPTION(eOptionIDs::OPT_CW_INTERP_LOOPS, CwInterpLoops);
					PARSEBOOLOPTION(eOptionIDs::OPT_LOCK_ACCUM, LockAccum);
					PARSEBOOLOPTION(eOptionIDs::OPT_DUMP_KERNEL, DumpKernel);
					PARSEOPTION(eOptionIDs::OPT_SYMMETRY, Symmetry);//Int args
					PARSEOPTION(eOptionIDs::OPT_SHEEP_GEN, SheepGen);
					PARSEOPTION(eOptionIDs::OPT_SHEEP_ID, SheepId);
					PARSEOPTION(eOptionIDs::OPT_PRIORITY, Priority);
					PARSEOPTION(eOptionIDs::OPT_NTHREADS, ThreadCount);//uint args.
					PARSEOPTION(eOptionIDs::OPT_STRIPS, Strips);
					PARSEOPTION(eOptionIDs::OPT_SUPERSAMPLE, Supersample);
					PARSEOPTION(eOptionIDs::OPT_TEMPSAMPLES, TemporalSamples);
					PARSEOPTION(eOptionIDs::OPT_BPC, BitsPerChannel);
					PARSEOPTION(eOptionIDs::OPT_PRINT_EDIT_DEPTH, PrintEditDepth);
					PARSEOPTION(eOptionIDs::OPT_JPEG, JpegQuality);
					PARSEOPTION(eOptionIDs::OPT_BEGIN, FirstFrame);
					PARSEOPTION(eOptionIDs::OPT_END, LastFrame);
					PARSEOPTION(eOptionIDs::OPT_FRAME, Frame);
					PARSEOPTION(eOptionIDs::OPT_DTIME, Dtime);
					PARSEOPTION(eOptionIDs::OPT_LOOP_FRAMES, LoopFrames);
					PARSEOPTION(eOptionIDs::OPT_INTERP_FRAMES, InterpFrames);
					PARSEOPTION(eOptionIDs::OPT_INTERP_LOOPS, InterpLoops);
					PARSEOPTION(eOptionIDs::OPT_REPEAT, Repeat);
					PARSEOPTION(eOptionIDs::OPT_TRIES, Tries);
					PARSEOPTION(eOptionIDs::OPT_MAX_XFORMS, MaxXforms);
					PARSEOPTION(eOptionIDs::OPT_START_COUNT, StartCount);
					PARSEOPTION(eOptionIDs::OPT_PADDING, Padding);
					PARSEOPTION(eOptionIDs::OPT_SS, SizeScale);//Float args.
					PARSEOPTION(eOptionIDs::OPT_QS, QualityScale);
					PARSEOPTION(eOptionIDs::OPT_QUALITY, Quality);
					PARSEOPTION(eOptionIDs::OPT_DE_MIN, DeMin);
					PARSEOPTION(eOptionIDs::OPT_DE_MAX, DeMax);
					PARSEOPTION(eOptionIDs::OPT_PIXEL_ASPECT, AspectRatio);
					PARSEOPTION(eOptionIDs::OPT_STAGGER, Stagger);
					PARSEOPTION(eOptionIDs::OPT_AVG_THRESH, AvgThresh);
					PARSEOPTION(eOptionIDs::OPT_BLACK_THRESH, BlackThresh);
					PARSEOPTION(eOptionIDs::OPT_WHITE_LIMIT, WhiteLimit);
					PARSEOPTION(eOptionIDs::OPT_SPEED, Speed);
					PARSEOPTION(eOptionIDs::OPT_OFFSETX, OffsetX);
					PARSEOPTION(eOptionIDs::OPT_OFFSETY, OffsetY);
					PARSEOPTION(eOptionIDs::OPT_USEMEM, UseMem);
					PARSEOPTION(eOptionIDs::OPT_LOOPS, Loops);
					PARSEOPTION(eOptionIDs::OPT_OPENCL_DEVICE, Device);//String args.
					PARSEOPTION(eOptionIDs::OPT_ISAAC_SEED, IsaacSeed);
					PARSEOPTION(eOptionIDs::OPT_IN, Input);
					PARSEOPTION(eOptionIDs::OPT_OUT, Out);
					PARSEOPTION(eOptionIDs::OPT_PREFIX, Prefix);
					PARSEOPTION(eOptionIDs::OPT_SUFFIX, Suffix);
					PARSEOPTION(eOptionIDs::OPT_FORMAT, Format);
					PARSEOPTION(eOptionIDs::OPT_PALETTE_FILE, PalettePath);
						//PARSESTRINGOPTION(eOptionIDs::OPT_PALETTE_IMAGE, PaletteImage);
					PARSEOPTION(eOptionIDs::OPT_ID, Id);
					PARSEOPTION(eOptionIDs::OPT_URL, Url);
					PARSEOPTION(eOptionIDs::OPT_NICK, Nick);
					PARSEOPTION(eOptionIDs::OPT_COMMENT, Comment);
					PARSEOPTION(eOptionIDs::OPT_TEMPLATE, TemplateFile);
					PARSEOPTION(eOptionIDs::OPT_CLONE, Clone);
					PARSEOPTION(eOptionIDs::OPT_CLONE_ALL, CloneAll);
					PARSEOPTION(eOptionIDs::OPT_CLONE_ACTION, CloneAction);
					PARSEOPTION(eOptionIDs::OPT_ANIMATE, Animate);
					PARSEOPTION(eOptionIDs::OPT_MUTATE, Mutate);
					PARSEOPTION(eOptionIDs::OPT_CROSS0, Cross0);
					PARSEOPTION(eOptionIDs::OPT_CROSS1, Cross1);
					PARSEOPTION(eOptionIDs::OPT_METHOD, Method);
					PARSEOPTION(eOptionIDs::OPT_INTER, Inter);
					PARSEOPTION(eOptionIDs::OPT_ROTATE, Rotate);
					PARSEOPTION(eOptionIDs::OPT_SEQUENCE, Sequence);
					PARSEOPTION(eOptionIDs::OPT_USE_VARS, UseVars);
					PARSEOPTION(eOptionIDs::OPT_DONT_USE_VARS, DontUseVars);
					PARSEOPTION(eOptionIDs::OPT_EXTRAS, Extras);

					default:
					{
						break;//Do nothing.
					}
				}
			}
			else
			{
				cout << "Invalid argument: " << args.OptionText() << "\n";
				cout << "\tReason: " << GetLastErrorText(errorCode) << "\n";
			}
		}

		auto strings = Split(Device(), ',');

		if (!strings.empty())
		{
			for (auto& s : strings)
			{
				size_t device = 0;
				istringstream istr(s);
				istr >> device;

				if (!istr.bad() && !istr.fail())
					m_Devices.push_back(device);
				else
					cout << "Failed to parse device index " << s;
			}
		}

		return false;
	}

	/// <summary>
	/// Return a const ref to m_Devices.
	/// </summary>
	/// <returns>A const ref to the vector of absolute device indices to be used</returns>
	const vector<size_t>& Devices()
	{
		return m_Devices;
	}

	/// <summary>
	/// Return a vector of all available options for the specified program.
	/// </summary>
	/// <param name="optUsage">The specified program usage</param>
	/// <returns>A vector of all available options for the specified program</returns>
	vector<CSimpleOpt::SOption> GetSimpleOptions(eOptionUse optUsage = eOptionUse::OPT_USE_ALL)
	{
		vector<CSimpleOpt::SOption> entries;
		CSimpleOpt::SOption endOption = SO_END_OF_OPTIONS;
		entries.reserve(75);

		for (auto entry : m_BoolArgs)   if (et(entry->m_OptionUse) & et(optUsage)) entries.push_back(entry->m_Option);

		for (auto entry : m_IntArgs)    if (et(entry->m_OptionUse) & et(optUsage)) entries.push_back(entry->m_Option);

		for (auto entry : m_UintArgs)   if (et(entry->m_OptionUse) & et(optUsage)) entries.push_back(entry->m_Option);

		for (auto entry : m_DoubleArgs) if (et(entry->m_OptionUse) & et(optUsage)) entries.push_back(entry->m_Option);

		for (auto entry : m_StringArgs) if (et(entry->m_OptionUse) & et(optUsage)) entries.push_back(entry->m_Option);

		entries.push_back(endOption);
		return entries;
	}

	/// <summary>
	/// Return a string with the descriptions of all available options for the specified program.
	/// </summary>
	/// <param name="optUsage">The specified program usage</param>
	/// <returns>A string with the descriptions of all available options for the specified program</returns>
	string GetUsage(eOptionUse optUsage = eOptionUse::OPT_USE_ALL)
	{
		ostringstream os;

		for (auto entry : m_BoolArgs)   if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_DocString << "\n";

		for (auto entry : m_IntArgs)    if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_DocString << "\n";

		for (auto entry : m_UintArgs)   if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_DocString << "\n";

		for (auto entry : m_DoubleArgs) if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_DocString << "\n";

		for (auto entry : m_StringArgs) if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_DocString << "\n";

		return os.str();
	}

	/// <summary>
	/// Return a string with all of the names and values for all available options for the specified program.
	/// </summary>
	/// <param name="optUsage">The specified program usage</param>
	/// <returns>A string with all of the names and values for all available options for the specified program</returns>
	string GetValues(eOptionUse optUsage = eOptionUse::OPT_USE_ALL)
	{
		ostringstream os;
		os << std::boolalpha;

		for (auto entry : m_BoolArgs)   if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_NameWithoutDashes << ": " << (*entry)() << "\n";

		for (auto entry : m_IntArgs)    if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_NameWithoutDashes << ": " << (*entry)() << "\n";

		for (auto entry : m_UintArgs)   if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_NameWithoutDashes << ": " << (*entry)() << "\n";

		for (auto entry : m_DoubleArgs) if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_NameWithoutDashes << ": " << (*entry)() << "\n";

		for (auto entry : m_StringArgs) if (et(entry->m_OptionUse) & et(optUsage)) os << entry->m_NameWithoutDashes << ": " << (*entry)() << "\n";

		return os.str();
	}

	/// <summary>
	/// Print description string, version and description of all available options for the specified program.
	/// </summary>
	/// <param name="optUsage">The specified program usage</param>
	void ShowUsage(eOptionUse optUsage)
	{
		cout << DescriptionString << " version " << EmberVersion() << "\n\n";

		if (optUsage == eOptionUse::OPT_USE_RENDER)
		{
			cout << "Usage:\n"
#ifdef _WIN32
				 "\tEmberRender.exe --in=test.flame [--out=outfile --format=png --verbose --progress --opencl]\n\n";
#else
				 "\temberrender --in=test.flame [--out=outfile --format=png --verbose --progress --opencl]\n\n";
#endif
		}
		else if (optUsage == eOptionUse::OPT_USE_ANIMATE)
		{
			cout << "Usage:\n"
#ifdef _WIN32
				 "\tEmberAnimate.exe --in=sequence.flame [--format=png --verbose --progress --opencl]\n\n";
#else
				 "\temberanimate --in=sequence.flame [--format=png --verbose --progress --opencl]\n\n";
#endif
		}
		else if (optUsage == eOptionUse::OPT_USE_GENOME)
		{
			cout << "Usage:\n"
#ifdef _WIN32
				 "\tEmberGenome.exe --sequence=test.flame > sequenceout.flame\n\n";
#else
				 "\tembergenome --sequence=test.flame > sequenceout.flame\n\n";
#endif
		}

		cout << GetUsage(optUsage) << "\n";
	}

	/// <summary>
	/// Return the last option parsing error text as a string.
	/// </summary>
	/// <param name="errorCode">The code of the last parsing error</param>
	/// <returns>The last option parsing error text as a string</returns>
	string GetLastErrorText(int errorCode)
	{
		switch (errorCode)
		{
			case SO_SUCCESS:            return "Success";

			case SO_OPT_INVALID:        return "Unrecognized option";

			case SO_OPT_MULTIPLE:       return "Option matched multiple strings";

			case SO_ARG_INVALID:        return "Option does not accept argument";

			case SO_ARG_INVALID_TYPE:   return "Invalid argument format";

			case SO_ARG_MISSING:        return "Required argument is missing";

			case SO_ARG_INVALID_DATA:   return "Invalid argument data";

			default:                    return "Unknown error";
		}
	}

	//Break from the usual m_* notation for members here because
	//each of these is a functor, so it looks nicer and is less typing
	//to just say opt.Member().
	Eob Help;//Diagnostic bool.
	Eob Version;
	Eob Verbose;
	Eob Debug;
	Eob DumpArgs;
	Eob DoProgress;
	Eob OpenCLInfo;
	Eob AllVars;
	Eob RegVars;
	Eob PreVars;
	Eob PostVars;
	Eob SumVars;
	Eob AssignVars;
	Eob PpSumVars;
	Eob PpAssignVars;
	Eob DcVars;
	Eob StateVars;
	Eob ParVars;
	Eob NonParVars;

	Eob EmberCL;//Value bool.
	Eob Sp;
	Eob EarlyClip;
	Eob YAxisUp;
	Eob Transparency;
	Eob NameEnable;
	Eob HexPalette;
	Eob InsertPalette;
	Eob JpegComments;
	Eob PngComments;
	Eob WriteGenome;
	Eob ThreadedWrite;
	Eob Enclosed;
	Eob NoEdits;
	Eob UnsmoothEdge;
	Eob CwLoops;
	Eob CwInterpLoops;
	Eob LockAccum;
	Eob DumpKernel;

	Eoi Symmetry;//Value int.
	Eoi SheepGen;
	Eoi SheepId;
	Eoi Priority;
	Eou ThreadCount;//Value uint.
	Eou Strips;
	Eou Supersample;
	Eou TemporalSamples;
	Eou BitsPerChannel;
	Eou Bits;
	Eou PrintEditDepth;
	Eou JpegQuality;
	Eou FirstFrame;
	Eou LastFrame;
	Eou Frame;
	Eou Dtime;
	Eou LoopFrames;
	Eou InterpFrames;
	Eou InterpLoops;
	Eou Repeat;
	Eou Tries;
	Eou MaxXforms;
	Eou StartCount;
	Eou Padding;

	Eod SizeScale;//Value double.
	Eod QualityScale;
	Eod Quality;
	Eod DeMin;
	Eod DeMax;
	Eod AspectRatio;
	Eod Stagger;
	Eod AvgThresh;
	Eod BlackThresh;
	Eod WhiteLimit;
	Eod Speed;
	Eod OffsetX;
	Eod OffsetY;
	Eod UseMem;
	Eod Loops;

	Eos Device;//Value string.
	Eos IsaacSeed;
	Eos Input;
	Eos Out;
	Eos Prefix;
	Eos Suffix;
	Eos Format;
	Eos PalettePath;
	//Eos PaletteImage;
	Eos Id;
	Eos Url;
	Eos Nick;
	Eos Comment;
	Eos TemplateFile;
	Eos Clone;
	Eos CloneAll;
	Eos CloneAction;
	Eos Animate;
	Eos Mutate;
	Eos Cross0;
	Eos Cross1;
	Eos Method;
	Eos Inter;
	Eos Rotate;
	Eos Sequence;
	Eos UseVars;
	Eos DontUseVars;
	Eos Extras;

private:
	vector<size_t> m_Devices;
	vector<Eob*> m_BoolArgs;
	vector<Eoi*> m_IntArgs;
	vector<Eou*> m_UintArgs;
	vector<Eod*> m_DoubleArgs;
	vector<Eos*> m_StringArgs;
};