SModel.cpp

/*
* SModel.cpp  SDHumming Melody Database routines
*
* Copyright (c) 2010 Shanda Interactive Entertainment Limited.
* 
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or   
* any later version. See the COPYRIGHT.txt for more details.       
*/

#include "SModel.h"

/*  load song model database into memory from file */
int SLoadModel(char* ModelFile, SModel *&SQBHModels, int &nModels){
	int i,j; 
	int id,file_count,NoteSize;
	
	FILE *fp=fopen(ModelFile,"rb");
	if(fp==NULL){
		printf("reading model file error\n");
		return ERROR_CODE_LOAD_MODEL_ERROR;
	}
	
	fread(&file_count,sizeof(int),1,fp); 
	nModels=file_count;
    SQBHModels=new SModel[nModels];
	if (NULL==SQBHModels) {
		return ERROR_CODE_CANNOT_ALLOC_MEM;
	}

	if (file_count>MAX_SONGS_NUMBER || file_count<1) {
		return ERROR_CODE_LOAD_MODEL_ERROR;
	}
	
	int nCountTotal=0;
	for (j=0;j<file_count;j++) {
		fread(&id,sizeof(int),1,fp);
		fread(&NoteSize,sizeof(int),1,fp);
		SQBHModels[j].nNoteNum=NoteSize;
		SQBHModels[j].sNotes=new SNote[SQBHModels[j].nNoteNum];
		
		for (i=0; i<SQBHModels[j].nNoteNum; i++) {
			fread(&SQBHModels[j].sNotes[i].fNoteValue,sizeof(float),1,fp);
			fread(&SQBHModels[j].sNotes[i].fNoteDuration,sizeof(float),1,fp);
			if(SQBHModels[j].sNotes[i].fNoteDuration>30)
				SQBHModels[j].sNotes[i].fNoteDuration=30;
		}
		fread(&SQBHModels[j].nPhraseNum,sizeof(int),1,fp);
		SQBHModels[j].PhrasePos=new int[SQBHModels[j].nPhraseNum+1];
		SQBHModels[j].PhrasePos[0]=0;
		
		for (i=0;i<=SQBHModels[j].nPhraseNum;i++){
			if (i>0)
				fread(&SQBHModels[j].PhrasePos[i],sizeof(int),1,fp);
			else
				SQBHModels[j].PhrasePos[i]=0;
		}		
		SQBHModels[j].nPhraseNum+=1;
		nCountTotal+=(SQBHModels[j].nPhraseNum);
	}
	fclose(fp);	
 	return nCountTotal;
}