#include "tdoublekeyframe.h"

#include "tstream.h"

#include "tconvert.h"

#include "tunit.h"

TDoubleKeyframe::TDoubleKeyframe(double frame, double value)

	: m_type(Linear), m_frame(frame), m_value(value), m_step(1), m_isKeyframe(false), m_speedIn(), m_speedOut(), m_linkedHandles(true), m_expressionText(""), m_fileParams(), m_similarShapeOffset(0), m_unitName("")

{

}

TDoubleKeyframe::~TDoubleKeyframe()

{

}

void TDoubleKeyframe::saveData(TOStream &os) const

{

	static std::map<tdoublekeyframe::type, string=""> typeCodes;</tdoublekeyframe::type,>

	if (typeCodes.empty()) {

		typeCodes[None] = "n";

		typeCodes[Constant] = "C";

		typeCodes[Linear] = "L";

		typeCodes[Exponential] = "Exp";

		typeCodes[SpeedInOut] = "S";

		typeCodes[EaseInOut] = "E";

		typeCodes[EaseInOutPercentage] = "Ep";

		typeCodes[Expression] = "Ex";

		typeCodes[File] = "F";

		typeCodes[SimilarShape] = "SimShape";

	};

	map<string, string=""> attr;</string,>

	if (!m_linkedHandles)

		attr["lnk"] = "no";

	if (m_step > 1)

		attr["step"] = toString(m_step);

	os.openChild(typeCodes[m_type], attr);

	switch (m_prevType) {

	case Linear:

		os.child("prev") << m_value;

		break;

	case SpeedInOut:

		os.child("prev") << m_value << m_speedIn.x << m_speedIn.y;

		break;

	case EaseInOut:

	case EaseInOutPercentage:

		os.child("prev") << m_value << m_speedIn.x;

		break;

	}

	string unitName = m_unitName != "" ? m_unitName : "default";

	switch (m_type) {

	case Constant:

	case Exponential:

	case Linear:

		os << m_frame << m_value;

		break;

	case SpeedInOut:

		os << m_frame << m_value

		   << m_speedOut.x << m_speedOut.y;

		break;

	case EaseInOut:

	case EaseInOutPercentage:

		os << m_frame << m_value

		   << m_speedOut.x;

		break;

	case Expression:

		os << m_frame << m_expressionText << unitName;

		break;

	case SimilarShape:

		os << m_frame << m_value << m_expressionText << m_similarShapeOffset;

		break;

	case File:

		os << m_frame << m_fileParams.m_path << m_fileParams.m_fieldIndex << unitName;

		break;

	}

	os.closeChild();

}

void TDoubleKeyframe::loadData(TIStream &is)

{

	static std::map<string, tdoublekeyframe::type=""> typeCodes;</string,>

	if (typeCodes.empty()) {

		typeCodes["n"] = None;

		typeCodes["C"] = Constant;

		typeCodes["L"] = Linear;

		typeCodes["Exp"] = Exponential;

		typeCodes["S"] = SpeedInOut;

		typeCodes["E"] = EaseInOut;

		typeCodes["Ep"] = EaseInOutPercentage;

		typeCodes["Ex"] = Expression;

		typeCodes["F"] = File;

		typeCodes["SimShape"] = SimilarShape;

	};

	string tagName;

	if (!is.matchTag(tagName))

		return;

	std::map<string, tdoublekeyframe::type="">::iterator it =</string,>

		typeCodes.find(tagName);

	if (it == typeCodes.end()) {

		throw TException(tagName + " : unexpected tag");

	}

	m_type = it->second;

	is.getTagParam("step", m_step);

	string lnkValue;

	if (is.getTagParam("lnk", lnkValue) && lnkValue == "no")

		m_linkedHandles = false;

	if (is.matchTag(tagName)) {

		if (tagName != "prev")

			throw TException(tagName + " : unexpected tag");

		is >> m_value;

		if (!is.eos()) {

			is >> m_speedIn.x;

			if (!is.eos())

				is >> m_speedIn.y;

		}

		if (!is.matchEndTag())

			throw TException(tagName + " : missing endtag");

	}

	double dummy0, dummy1;

	switch (m_type) {

	case Constant:

	case Linear:

	case Exponential:

		is >> m_frame >> m_value;

		break;

	case SpeedInOut:

		is >> m_frame >> m_value >> m_speedOut.x >> m_speedOut.y;

		if (!is.eos())

			is >> dummy0 >> dummy1; // old and wrong format. used only during the 6.0 release

		break;

	case EaseInOut:

	case EaseInOutPercentage:

		is >> m_frame >> m_value >> m_speedOut.x;

		if (!is.eos())

			is >> dummy0; // old and wrong format. used only during the 6.0 release

		break;

	case Expression:

		is >> m_frame >> m_expressionText >> m_unitName;

		break;

	case SimilarShape:

		is >> m_frame >> m_value >> m_expressionText >> m_similarShapeOffset;

		break;

	case File:

		is >> m_frame >> m_fileParams.m_path >> m_fileParams.m_fieldIndex >> m_unitName;

		break;

	}

	if (!is.matchEndTag())

		throw TException(tagName + " : missing endtag");

	if (m_unitName == "default")

		m_unitName = "";

	m_isKeyframe = true;

}