#ifndef _STS_
// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962

#include <maya/MString.h>
#include <maya/MSelectionList.h>
#include <maya/MFnMesh.h>
#include <maya/MObjectArray.h>
#include <maya/MPxCommand.h>
#include <maya/MSyntax.h>
#include "shaveSDK.h"

#if MAYA_API_VERSION < 20180000
class MDataBlock;
#endif

class shaveHairShape;

#define PER_NODE_TEXLOOKUP


typedef struct {
	shaveHairShape*	node;
	int				count;
	VERT**			displacement;
	int				maxIndex[SHAVE_NUM_PARAMS];
	int				maxPasses;
	bool			textured[SHAVE_NUM_PARAMS];
	float***		textureLookup;
	float**			u;
	float**			v;
} NODETEXINFO;

typedef struct {
	float* us;
	float* vs;
	int passes;
	char* uvset;
} HAIRUVS;

bool IsBuildingLookups();


float			applyVertTexValue(
					long shaveID, int vertID, int paramID, float baseValue
				);

unsigned int	findObjectIndex(int, MIntArray);
MStatus			freeTextureLookup(void);
MStatus			freeTextureLookup(NODETEXINFO* lookup);

void			getDisplacement(
					MDagPath&	surface,
					CURVEINFO&	ci,
					VERT&		rootPos,
					float		rootU,
					float		rootV,
					int			surfaceStartFaceIndex,
					VERT&		displacement
				);

NODETEXINFO*	getTexInfoLookup(unsigned nodeID);

void			initTexInfoLookup(
					const MObjectArray&	shaveNodes,
					MString				defaultUVSet,
					bool				verbose,
					bool				displayHairsOnly = false
				);

void			initTexInfoLookup2(
					const MObjectArray&	shaveNodes,
					MString				defaultUVSet,
					bool				verbose,
					bool				displayHairsOnly = false,
					MObject				onlythis = MObject()
				);

void			initVertTexInfoLookup(
					shaveHairShape* sNode, MObject node, MDataBlock* block=NULL
				);

void			initVertTexInfoLookup(MObjectArray& shaveNodes);
MStatus			shaveConnectNode(MString, MString, int, MStringArray&);

MStatus			tesselateGrowthSurfaces(
					const MDagPathArray&	growthSurfaces,
					short					uTess,
					short					vTess,
					short					sDept, 
					short					sSamp
				);


class ShavePreprocTex : public MPxCommand
{
public:
							ShavePreprocTex() {};
	virtual					~ShavePreprocTex(); 

	MStatus     			doIt( const MArgList& args );
	static void*			createCmd();
	static MSyntax			createSyntax();
	static const MString	commandName;
};

#define _STS_
#endif