/**
 * @file		lib_interface.h
 * @date		01/09/2022
 * @author		JackCarterSmith
 * @copyright	GPL-v3.0
 * @brief		Interface functions to external RSP libraries.
 *
 */

#include "options.h"


#ifndef RSEMODEL_LIB_INTERFACE_H_
#define RSEMODEL_LIB_INTERFACE_H_

#define RSPTEXTURE_VERSION				"21"
#define RSPTEXTURE_LIBFILE				"libRSPTexture" RSPTEXTURE_VERSION
#if defined(_WIN32)
	#define RSPTEXTURE_OSLIBFILE		RSPTEXTURE_LIBFILE ".dll"
#else
	#define RSPTEXTURE_OSLIBFILE		RSPTEXTURE_LIBFILE ".so"
#endif

#define RSPTEXTURE_FUNCNAME_GET_VERSION	"RSPTexture_getVersion"
#define RSPTEXTURE_FUNCNAME_NEW_HMT		"RSPTexture_createHMT"
#define RSPTEXTURE_FUNCNAME_PROC_HMT	"RSPTexture_processHMTFile"
#define RSPTEXTURE_FUNCNAME_GET_MAT		"RSPTexture_getMaterialFromID"
#define RSPTEXTURE_FUNCNAME_GET_NAME	"RSPTexture_getMaterialName"
#define RSPTEXTURE_FUNCNAME_GET_OPACITY	"RSPTexture_getMaterialOpacity"
#define RSPTEXTURE_FUNCNAME_GET_AMBIENT	"RSPTexture_getMaterialAmbient"
#define RSPTEXTURE_FUNCNAME_FREE_HMT	"RSPTexture_freeHMT"

/* External libraries functions signatures */
typedef char* (*__RSPTexture_getVersion)(void);
typedef void* (*__RSPTexture_createHMT)(void);
typedef unsigned short (*__RSPTexture_processHMTFile)(
		void* hmtStruct,
		const char* const filePath,
		const unsigned char params
	);
typedef void* (*__RSPTexture_getMaterialFromID)(
		const void* hmtStruct,
		const unsigned short mat_id
	);
typedef char* (*__RSPTexture_getMaterialName)(const void* material);
typedef float (*__RSPTexture_getMaterialOpacity)(const void* material);
typedef float (*__RSPTexture_getMaterialAmbient)(const void* material);
typedef void (*__RSPTexture_freeHMT)(void* hmtStruct);


/* External libraries proxies functions */
extern __RSPTexture_getVersion RSPTexture_getVersion;
extern __RSPTexture_createHMT RSPTexture_createHMT;
extern __RSPTexture_processHMTFile RSPTexture_processHMTFile;
extern __RSPTexture_getMaterialFromID RSPTexture_getMaterialFromID;
extern __RSPTexture_getMaterialName RSPTexture_getMaterialName;
extern __RSPTexture_getMaterialOpacity RSPTexture_getMaterialOpacity;
extern __RSPTexture_getMaterialAmbient RSPTexture_getMaterialAmbient;
extern __RSPTexture_freeHMT RSPTexture_freeHMT;


/* Linker functions declarations */
void* linkTextureLib(T_PROG_OPTIONS* opt_ptr);
void unlinkTextureLib(void);


#endif /* RSEMODEL_LIB_INTERFACE_H_ */