901 lines
16 KiB
C++
901 lines
16 KiB
C++
/**********************************************************************
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*<
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FILE: aiimp.cpp
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DESCRIPTION: .AI file import module
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CREATED BY: Tom Hudson
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HISTORY: created 28 June 1996
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*> Copyright (c) 1996, All Rights Reserved.
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**********************************************************************/
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#include "Stdafx.h"
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#include "Includes.h"
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/*
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#include <windows.h>
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#include <direct.h>
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*/
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#include "matrix4.h"
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#include "xsiimp.h"
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#define M_PI ( 3.14159265359f)
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void
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split_fn(char *path,char *file,char *pf)
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{
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int ix,jx,bs_loc,fn_loc;
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if(strlen(pf)==0) {
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if(path) *path=0;
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if(file) *file=0;
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return;
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}
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bs_loc=strlen(pf);
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for(ix=bs_loc-1; ix>=0; --ix) {
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if(pf[ix]=='\\') {
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bs_loc=ix;
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fn_loc=ix+1;
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goto do_split;
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}
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if(pf[ix]==':') {
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bs_loc=ix+1;
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fn_loc=ix+1;
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goto do_split;
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}
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}
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bs_loc= -1;
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fn_loc=0;
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do_split:
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if(file)
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strcpy(file,&pf[fn_loc]);
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if(path) {
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if(bs_loc>0) {
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for(jx=0; jx<bs_loc; ++jx)
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path[jx]=pf[jx];
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path[jx]=0;
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}
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else path[0]=0;
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}
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}
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int mystrncmp(char *nt,char *nont,int len)
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{
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int i;
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for (i=0;i<len;i++)
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{
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if (nt[i]!=nont[i])
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return 1;
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}
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if (nt[len]!=0)
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return 1;
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return 0;
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}
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void mystrncpy(char *nt,char *nont,int len)
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{
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memcpy(nt,nont,len);
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nt[len]=0;
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}
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float myatof(char *nont,int len)
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{
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static char tmp[100];
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memcpy(tmp,nont,len);
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tmp[len]=0;
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return (float)atof(tmp);
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}
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int myatoi(char *nont,int len)
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{
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static char tmp[100];
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memcpy(tmp,nont,len);
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tmp[len]=0;
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return atoi(tmp);
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}
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void PrintIdent(int ident)
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{
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static char mess[10000];
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int i;
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for (i=0;i<ident;i++)
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mess[i]=' ';
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mess[i]=0;
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OutputDebugString(mess);
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}
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struct TxtNode
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{
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char *text;
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int length;
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TxtNode *child;
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TxtNode *sibling;
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TxtNode()
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{
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text=0;
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length=0;
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child=0;
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sibling=0;
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}
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~TxtNode()
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{
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if (child)
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delete child;
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child=0;
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if (sibling)
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delete sibling;
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sibling=0;
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}
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void Print(int ident)
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{
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if (text&&length)
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{
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PrintIdent(ident);
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static char mess[10000];
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static char str[10000];
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mystrncpy(str,text,length);
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sprintf(mess,"|%s|\n",str);
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OutputDebugString(mess);
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}
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if (child)
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{
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PrintIdent(ident);
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OutputDebugString("{\n");
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TxtNode *sib=child;
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while (sib)
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{
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sib->Print(ident+1);
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sib=sib->sibling;
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}
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PrintIdent(ident);
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OutputDebugString("}\n");
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}
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}
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};
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#define PDEB (0)
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char *ReadToken(char *at,char *end,int &len,char **out)
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{
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char *ret=0;
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len=0;
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while (at<end&&(isspace(*at)||*at==';'||*at==','))
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at++;
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if (at==end)
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{
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*out=end;
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return 0;
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}
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if ((*at=='\"'||*at=='<')&&at+1<end)
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{
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char endchar='\"';
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if (*at=='<')
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endchar='>';
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at++;
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ret=at;
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while (at<end&&*at!=endchar)
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{
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at++;
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len++;
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}
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if (at<end)
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at++;
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}
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else if ((*at=='{'||*at=='}')&&at+1<end)
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{
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ret=at;
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len=1;
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at++;
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}
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else
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{
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ret=at;
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while (at<end&&!(isspace(*at)||*at==';'||*at==','||*at=='}'||*at=='>'||*at=='{'||*at=='<'||*at=='\"'))
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{
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len++;
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at++;
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}
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}
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*out=at;
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#if 0
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static char mess[10000];
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static char str[10000];
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mystrncpy(str,ret,len);
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sprintf(mess,"Token |%s|\n",str);
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OutputDebugString(mess);
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#endif
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return ret;
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}
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TxtNode *ReadANode(char *at,char *end,char **atout)
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{
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TxtNode *ret=0;
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int len;
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char *retat;
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char *start;
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//OutputDebugString("***");
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start=ReadToken(at,end,len,&retat);
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at=retat;
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*atout=at;
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if (!start)
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{
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//OutputDebugString("Eof\n");
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return 0;
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}
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if (*start=='}')
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{
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//OutputDebugString("End}\n");
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return 0;
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}
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if (*start=='{')
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{
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//OutputDebugString("Start{\n");
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ret=new TxtNode;
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TxtNode **last=&ret->child;
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while (1)
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{
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TxtNode *t=ReadANode(at,end,&retat);
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at=retat;
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if (!t)
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break;
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*last=t;
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last=&t->sibling;
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}
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}
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else
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{
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ret=new TxtNode;
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ret->text=start;
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ret->length=len;
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}
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*atout=at;
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return ret;
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}
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struct SceneNodes
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{
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char name[100];
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SceneNodes *parent;
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Matrix4 mat;
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Matrix4 BaseMat;
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Matrix4 *animat;
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int nanimat;
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};
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static SceneNodes sNodes[5000];
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static nsNodes=0;
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int FindNodes(SceneNodes *parent,TxtNode *t)
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{
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static char tmp[1000];
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if (t->child)
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{
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TxtNode *sib=t->child;
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while (sib)
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{
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if (sib->text&&!mystrncmp("Frame",sib->text,sib->length))
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{
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SceneNodes tmpNode;
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Matrix4 tm,tmBase;
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tm.Identity();
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sib=sib->sibling;
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if (!sib)
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return 1;
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assert(sib->length<100);
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if (!strncmp("frm-",sib->text,4))
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mystrncpy(tmpNode.name,sib->text+4,sib->length-4);
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else
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mystrncpy(tmpNode.name,sib->text,sib->length);
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//OutputDebugString(tmpNode.name);
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//OutputDebugString("\n");
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sib=sib->sibling;
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if (!sib)
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return 2;
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{
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TxtNode *FrameLook=sib;
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TxtNode *sub=sib->child;
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if (!sub)
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return 3;
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if (!sub->text)
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return 4;
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if (mystrncmp("FrameTransformMatrix",sub->text,sub->length))
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return 5;
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sub=sub->sibling;
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{
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TxtNode *xf=sub->child;
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int r,c;
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#if 0
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OutputDebugString("matrix\n");
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#endif
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for (r=0;r<4;r++)
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{
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int rr=r;
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float sign=1.0f;
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if (r==1)
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rr=2;
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if (r==2)
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{
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sign=-1.0f;
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rr=1;
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}
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for (c=0;c<4;c++)
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{
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if (!xf||!xf->text)
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return 6;
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if (c==0)
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tm[rr][0]=sign*(float)myatof(xf->text,xf->length);
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else if (c==1)
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tm[rr][2]=sign*(float)myatof(xf->text,xf->length);
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else if (c==2)
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tm[rr][1]=-sign*(float)myatof(xf->text,xf->length);
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xf=xf->sibling;
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}
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}
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#if 0
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for (r=0;r<4;r++)
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{
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sprintf(tmp,"%6f %6f %6f\n",tm[r][0],tm[r][1],tm[r][2]);
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OutputDebugString(tmp);
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}
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#endif
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tm.CalcFlags();
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}
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tmBase=tm;
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sub=sub->sibling;
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while (sub)
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{
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if (sub->text&&!mystrncmp("SI_FrameBasePoseMatrix",sub->text,sub->length))
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{
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sub=sub->sibling;
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{
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TxtNode *xf=sub->child;
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int r,c;
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#if 0
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OutputDebugString("pose matrix\n");
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#endif
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for (r=0;r<4;r++)
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{
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int rr=r;
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float sign=1.0f;
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if (r==1)
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rr=2;
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if (r==2)
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{
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sign=-1.0f;
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rr=1;
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}
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for (c=0;c<4;c++)
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{
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if (!xf||!xf->text)
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return 6;
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if (c==0)
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tmBase[rr][0]=sign*(float)myatof(xf->text,xf->length);
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else if (c==1)
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tmBase[rr][2]=sign*(float)myatof(xf->text,xf->length);
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else if (c==2)
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tmBase[rr][1]=-sign*(float)myatof(xf->text,xf->length);
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xf=xf->sibling;
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}
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}
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tmBase.CalcFlags();
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#if 0
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for (r=0;r<4;r++)
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{
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sprintf(tmp,"%6f %6f %6f\n",tmBase[r][0],tmBase[r][1],tmBase[r][2]);
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OutputDebugString(tmp);
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}
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#endif
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}
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}
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sub=sub->sibling;
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}
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tmpNode.parent=parent;
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tmpNode.mat=tm;
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Matrix4 par,tmat;
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if (parent)
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tmat.Concat(tmBase,parent->BaseMat);
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else
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tmat=tmBase;
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tmpNode.BaseMat=tmat;
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SceneNodes *newparent=sNodes+nsNodes;
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tmpNode.animat=0;
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tmpNode.nanimat=0;
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sNodes[nsNodes++]=tmpNode;
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int err=FindNodes(newparent,FrameLook);
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if (err)
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return err;
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}
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}
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sib=sib->sibling;
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}
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}
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return 0;
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}
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static int maxframe=-10000;
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static int minframe=10000;
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static int startframe=10000;
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static int endframe=-10000;
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static int CacheNodes[10000];
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static int nCacheNodes=0;
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static char CacheName[100];
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static int maxmatframe;
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static Matrix4 mats[1000];
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static Vect3 scales[1000];
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int ProcNKeys(TxtNode *t,int& foundkeys)
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{
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if (t->child)
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{
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TxtNode *sib=t->child;
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if (!sib->text)
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return 207;
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int tp=myatoi(sib->text,sib->length);
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sib=sib->sibling;
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if (!sib||!sib->text)
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return 208;
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int num=myatoi(sib->text,sib->length);
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sib=sib->sibling;
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int i;
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int lastframe=startframe-1;
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TxtNode *s=sib;
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for (i=0;i<num;i++)
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{
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if (!s||!s->text)
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return 110;
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int frame=myatoi(s->text,s->length);
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if (frame>33000)
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frame=frame-65536;
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if (frame<startframe)
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{
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assert(!i);
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lastframe=frame-1;
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startframe=frame;
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}
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if (frame>endframe)
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endframe=frame;
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if (frame-startframe>maxmatframe)
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maxmatframe=frame-startframe;
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s=s->sibling;
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if (!s||!s->text)
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return 212;
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int junk=myatoi(s->text,s->length);
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if (junk!=3)
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return 213;
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s=s->sibling;
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if (!s||!s->text)
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return 216;
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float x=(float)myatof(s->text,s->length);
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s=s->sibling;
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if (!s||!s->text)
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return 216;
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float y=(float)myatof(s->text,s->length);
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s=s->sibling;
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if (!s||!s->text)
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return 216;
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float z=(float)myatof(s->text,s->length);
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s=s->sibling;
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int k;
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if (tp==1) //scale
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{
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Vect3 v=Vect3(x,z,y);
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for (k=lastframe+1;k<=frame;k++)
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scales[k-startframe]=v;
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foundkeys|=4;
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}
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else if (tp==2) //translation
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{
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Vect3 v(x,-z,y);
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for (k=lastframe+1;k<=frame;k++)
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{
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mats[k-startframe].SetRow(3,v);
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mats[k-startframe].CalcFlags();
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}
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foundkeys|=1;
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}
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else if (tp==3) //rotation
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{
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Matrix4 tmp;
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tmp.Rotate(-x*M_PI/180.0f,-y*M_PI/180.0f,-z*M_PI/180.0f);
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Vect3 t,tt;
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tmp.GetRow(2,t);
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t*=-1.0f;
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tmp.GetRow(1,tt);
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tmp.SetRow(2,tt);
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tmp.SetRow(1,t);
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for (k=0;k<3;k++)
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{
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float tt=-tmp[k][2];
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tmp[k][2]=tmp[k][1];
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tmp[k][1]=tt;
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}
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for (k=lastframe+1;k<=frame;k++)
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{
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int l;
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for (l=0;l<3;l++)
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{
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tmp.GetRow(l,t);
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mats[k-startframe].SetRow(l,t);
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mats[k-startframe].CalcFlags();
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}
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}
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foundkeys|=2;
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}
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lastframe=frame;
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}
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}
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return 0;
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}
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int FindPKeys(TxtNode *t)
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{
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if (t->child)
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{
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TxtNode *sib=t->child;
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if (!sib)
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return 200;
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char framename[100];
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{
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if (!sib->child)
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return 201;
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if (!sib->child->text)
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return 202;
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if (!strncmp("frm-",sib->child->text,4))
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mystrncpy(framename,sib->child->text+4,sib->child->length-4);
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else
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{
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if (!strncmp("SCENE",sib->child->text,4))
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return 0;
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mystrncpy(framename,sib->child->text,sib->child->length);
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}
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sib=sib->sibling;
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}
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int foundkeys=0;
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maxmatframe=0;
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while (sib)
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{
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if (sib->text&&!mystrncmp("SI_AnimationKey",sib->text,sib->length))
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{
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if (!sib->sibling)
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return 103;
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sib=sib->sibling;
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int err=ProcNKeys(sib,foundkeys);
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if (err)
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return err;
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}
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sib=sib->sibling;
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}
|
|
// if (foundkeys)
|
|
{
|
|
if (maxmatframe>maxframe)
|
|
maxframe=maxmatframe;
|
|
int i;
|
|
for (i=0;i<nsNodes;i++)
|
|
{
|
|
if (!strcmp(sNodes[i].name,framename))
|
|
{
|
|
int j;
|
|
if (sNodes[i].nanimat<maxmatframe+1)
|
|
{
|
|
delete[] sNodes[i].animat;
|
|
sNodes[i].nanimat=maxmatframe+1;
|
|
sNodes[i].animat=new Matrix4[maxmatframe+1];
|
|
for (j=0;j<=maxmatframe;j++)
|
|
sNodes[i].animat[j].Identity();
|
|
}
|
|
for (j=0;j<=maxmatframe;j++)
|
|
{
|
|
Matrix4 xf;
|
|
xf=sNodes[i].mat;
|
|
Vect3 tt,t2;
|
|
if (foundkeys&1)
|
|
{
|
|
mats[j].GetRow(3,tt);
|
|
xf.SetRow(3,tt);
|
|
}
|
|
if (foundkeys&2)
|
|
{
|
|
float l;
|
|
xf.GetRow(0,t2);
|
|
l=t2.Len();
|
|
mats[j].GetRow(0,tt);
|
|
tt*=l;
|
|
xf.SetRow(0,tt);
|
|
|
|
xf.GetRow(1,t2);
|
|
l=t2.Len();
|
|
mats[j].GetRow(1,tt);
|
|
tt*=l;
|
|
xf.SetRow(1,tt);
|
|
|
|
xf.GetRow(2,t2);
|
|
l=t2.Len();
|
|
mats[j].GetRow(2,tt);
|
|
tt*=l;
|
|
xf.SetRow(2,tt);
|
|
}
|
|
if (foundkeys&4)
|
|
{
|
|
xf.GetRow(0,tt);
|
|
tt.Norm();
|
|
tt*=scales[j].x();
|
|
xf.SetRow(0,tt);
|
|
|
|
xf.GetRow(1,tt);
|
|
tt.Norm();
|
|
tt*=scales[j].x();
|
|
xf.SetRow(1,tt);
|
|
|
|
xf.GetRow(2,tt);
|
|
tt.Norm();
|
|
tt*=scales[j].x();
|
|
xf.SetRow(2,tt);
|
|
|
|
}
|
|
xf.CalcFlags();
|
|
Matrix4 par,tmat;
|
|
if (sNodes[i].parent)
|
|
{
|
|
if (j<sNodes[i].parent->nanimat)
|
|
par=sNodes[i].parent->animat[j];
|
|
else
|
|
par=sNodes[i].parent->BaseMat;
|
|
tmat.Concat(xf,par);
|
|
}
|
|
else
|
|
tmat=xf;
|
|
sNodes[i].animat[j]=tmat;
|
|
|
|
#if 0
|
|
par.Inverse(sNodes[i].BaseMat);
|
|
tmat.Concat(par,sNodes[i].animat[j]);
|
|
char tmp[1000];
|
|
int r;
|
|
sprintf(tmp,"final frame %d %s\n",j,sNodes[i].name);
|
|
OutputDebugString(tmp);
|
|
for (r=0;r<4;r++)
|
|
{
|
|
sprintf(tmp,"%6f %6f %6f\n",tmat[r][0],tmat[r][1],tmat[r][2]);
|
|
OutputDebugString(tmp);
|
|
}
|
|
sprintf(tmp,"baseinv frame %d %s\n",j,sNodes[i].name);
|
|
OutputDebugString(tmp);
|
|
for (r=0;r<4;r++)
|
|
{
|
|
sprintf(tmp,"%6f %6f %6f\n",par[r][0],par[r][1],par[r][2]);
|
|
OutputDebugString(tmp);
|
|
}
|
|
sprintf(tmp,"bone frame %d %s\n",j,sNodes[i].name);
|
|
OutputDebugString(tmp);
|
|
for (r=0;r<4;r++)
|
|
{
|
|
sprintf(tmp,"%6f %6f %6f\n",sNodes[i].animat[j][r][0],sNodes[i].animat[j][r][1],sNodes[i].animat[j][r][2]);
|
|
OutputDebugString(tmp);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int FindSets(TxtNode *t)
|
|
{
|
|
if (t->child)
|
|
{
|
|
TxtNode *sib=t->child;
|
|
while (sib)
|
|
{
|
|
if (sib->text&&!mystrncmp("Animation",sib->text,sib->length))
|
|
{
|
|
if (!sib->sibling)
|
|
return 101;
|
|
sib=sib->sibling;
|
|
if (!sib->sibling)
|
|
return 102;
|
|
sib=sib->sibling;
|
|
int err=FindPKeys(sib);
|
|
if (err)
|
|
return err;
|
|
}
|
|
sib=sib->sibling;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int FindAnims(TxtNode *t)
|
|
{
|
|
int i;
|
|
for (i=0;i<nsNodes;i++)
|
|
{
|
|
sNodes[i].animat=0;
|
|
sNodes[i].nanimat=0;
|
|
}
|
|
if (t->child)
|
|
{
|
|
TxtNode *sib=t->child;
|
|
while (sib)
|
|
{
|
|
if (sib->text&&!mystrncmp("AnimationSet",sib->text,sib->length))
|
|
{
|
|
if (!sib->sibling)
|
|
return 100;
|
|
sib=sib->sibling;
|
|
int err=FindSets(sib);
|
|
if (err)
|
|
return err;
|
|
}
|
|
sib=sib->sibling;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** returns the number of frames loaded
|
|
*/
|
|
int XSI_LoadFile(const char *filename)
|
|
{
|
|
char *filebin=0;
|
|
TxtNode *root;
|
|
|
|
FILE *fp=fopen(filename,"ra");
|
|
if (!fp){
|
|
InfoBox(va("File not found: \"%s\"",filename));
|
|
return 0;
|
|
}
|
|
fseek(fp,0,SEEK_END);
|
|
int len=ftell(fp);
|
|
filebin=new char[len];
|
|
fseek(fp,0,SEEK_SET);
|
|
if (fread(filebin,1,len,fp)!=(size_t)len)
|
|
{
|
|
fclose(fp);
|
|
InfoBox(va("Bad XSI file\n",filename));
|
|
delete(filebin);
|
|
return 0;
|
|
}
|
|
fclose(fp);
|
|
|
|
char *at=filebin;
|
|
char *end=filebin+len;
|
|
root=new TxtNode;
|
|
TxtNode **last=&root->child;
|
|
char *retat;
|
|
while (1)
|
|
{
|
|
TxtNode *t=ReadANode(at,end,&retat);
|
|
if (!t)
|
|
{
|
|
at=end;
|
|
break;
|
|
}
|
|
at=retat;
|
|
*last=t;
|
|
last=&t->sibling;
|
|
}
|
|
if (!root->child)
|
|
{
|
|
printf("Bad XSI file\n");
|
|
delete(filebin);
|
|
delete root;
|
|
return 0;
|
|
}
|
|
#if PDEB
|
|
root->Print(0);
|
|
#endif
|
|
|
|
nsNodes=0;
|
|
maxframe=-10000;
|
|
minframe=10000;
|
|
startframe=10000;
|
|
endframe=-10000;
|
|
CacheName[0]=0;
|
|
int fn=FindNodes(0,root);
|
|
if (!fn)
|
|
{
|
|
fn=FindAnims(root);
|
|
}
|
|
|
|
delete(filebin);
|
|
delete root;
|
|
|
|
if (fn==2000)
|
|
{
|
|
printf("XSI import failed, Missing Keys\n",fn);
|
|
return 0;
|
|
}
|
|
if (fn)
|
|
{
|
|
printf("XSI import failed, code = %d",fn);
|
|
return 0;
|
|
}
|
|
return maxframe+1;
|
|
}
|
|
|
|
int XSI_GetNumFrames()
|
|
{
|
|
if (maxframe+1>0)
|
|
return maxframe+1;
|
|
return 0;
|
|
}
|
|
|
|
int XSI_FindBone(char *bonename)
|
|
{
|
|
int j;
|
|
for (j=0;j<nsNodes;j++)
|
|
{
|
|
if (!strcmpi(bonename,sNodes[j].name))
|
|
return j;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void XSI_GetBoneMatrix(int bone,int frame,float mat[3][4])
|
|
{
|
|
assert(bone>=0&&bone<nsNodes);
|
|
assert(frame>=0&&frame<maxframe+1);
|
|
int i,j;
|
|
for (i=0;i<4;i++)
|
|
{
|
|
for (j=0;j<3;j++)
|
|
{
|
|
mat[j][i]=sNodes[bone].animat[frame][i][j];
|
|
}
|
|
}
|
|
}
|
|
|
|
void XSI_GetBoneMatrix4(int bone,int frame,Matrix4 &m)
|
|
{
|
|
assert(bone>=0&&bone<nsNodes);
|
|
assert(frame>=0&&frame<maxframe+1);
|
|
m=sNodes[bone].animat[frame];
|
|
}
|
|
|
|
int XSI_GetNumBones()
|
|
{
|
|
return nsNodes;
|
|
}
|
|
|
|
void XSI_GetBoneName(int bone,char *bonename)
|
|
{
|
|
assert(bone>=0&&bone<nsNodes);
|
|
strcpy(bonename,sNodes[bone].name);
|
|
}
|
|
|
|
void XSI_Cleanup()
|
|
{
|
|
int j;
|
|
for (j=0;j<nsNodes;j++)
|
|
{
|
|
delete[] sNodes[j].animat;
|
|
}
|
|
|
|
nsNodes=0;
|
|
maxframe=-10000;
|
|
minframe=10000;
|
|
startframe=10000;
|
|
endframe=-10000;
|
|
CacheName[0]=0;
|
|
}
|
|
|