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...etc..etc..
int m_NumTris;
Triangle[] m_tri;
/*
This small function or should I call it a method to be more correct,
loads in a set of data from a txt file in the same location as the
.class applet file.
*/
private
void
ReadInData()
{
// Our .txt file name
String strFile =
"maze1.txt";
// We'll read in all the txt
file in one go into this buffer
String buffer =
new
String();
//-- First we read in all the
juicy txt info from our txt file--//
// Well when ever we read or
write to a file, we have to test for
// errors! Java won't let us compile it otherwise :-/...picky
compiler
try
{
URL theURL =
new
URL(getDocumentBase(),strFile);
BufferedReader in =
new
BufferedReader(
new
InputStreamReader(
theURL.openStream()));
String inputLine;
while
((inputLine =
in.readLine()) !=
null)
{
System.out.println(inputLine);
buffer += inputLine;
buffer +=
"\n";
}
in.close();
}
catch(java.net.MalformedURLException
e)
// not really needed
{
System.out.println("Exception
:-/ ");
}
catch(IOException e)
{}
// Second...we've read it all
in...but I just want to replace
// newline's with spaces...and remove commas :)
// Mini routine to remove char's
char
charA =
'\n';
char
charB =
'\"';
char
charC =
'\r';
char
charD =
'\t';
String withChar =
" ";
String r =
"";
for
(int
i = 0; i < buffer.length(); i++)
{
if
(buffer.charAt(i) !=
charA &&
buffer.charAt(i) != charB &&
buffer.charAt(i) != charC &&
buffer.charAt(i) != charD ) r
+= buffer.charAt(i);
else
r+= withChar;
}
buffer = r;
buffer.trim();
//-- Third we'll parse the data
we now have in our buffer that we
// read in --//
StringTokenizer st;
st =
new
StringTokenizer(buffer,
" ");
int
tokenCount =
st.countTokens();
int
tokens = 0;
String[] str =
new
String[5000];
// Big buffer
while( st.hasMoreTokens() )
{
str[tokens] = st.nextToken();
tokens++;
}
// At this point, str[] is just
a big array of string
// values...such as 1, 32, 22, "0xFFFFF"...etc...all seperate
// and one after the other where we can put seperate them.
/*
// Test code...dump all the parsed values
for( int i=0; i<tokens; i++ )
{
System.out.println( str[i] );
}
*/
float
scalex = 3.0f;
float
scaley = 1.0f;
float
scalez = 3.0f;
// Allocate memory so we can
store all the values from the txt file into our
// array. I divide by 6, as there are 10 tokens of data per line
:)
m_tri =
new
Triangle[ tokens/10 ];
int
c=0;
int
i=0;
while( c < tokens-1 )
{
// Had to fix these few lines so
we could still use our java
// applet on versions 1.0...as parseFloat wasn't introduced till
1.2
/*
float x0 = Float.parseFloat( str[c] ) * scalex;
float y0 = Float.parseFloat( str[c+1] ) * scaley;
float z0 = Float.parseFloat( str[c+2] ) * scalez;
float x1 = Float.parseFloat( str[c+3] ) * scalex;
float y1 = Float.parseFloat( str[c+4] ) * scaley;
float z1 = Float.parseFloat( str[c+5] ) * scalez;
float x2 = Float.parseFloat( str[c+6] ) * scalex;
float y2 = Float.parseFloat( str[c+7] ) * scaley;
float z2 = Float.parseFloat( str[c+8] ) * scalez;
int col = Integer.parseInt( str[c+9],16);
c+=10; // 10 values per line
*/
float
x0 =
new
Float( str[c] ).floatValue() * scalex;
float
y0 =
new
Float( str[c+1] ).floatValue() * scaley;
float
z0 =
new
Float( str[c+2] ).floatValue()
* scalez;
float
x1 =
new
Float( str[c+3] ).floatValue()
* scalex;
float
y1 =
new
Float( str[c+4] ).floatValue()
* scaley;
float
z1 =
new
Float( str[c+5] ).floatValue()
* scalez;
float
x2 =
new
Float( str[c+6] ).floatValue()
* scalex;
float
y2 =
new
Float( str[c+7] ).floatValue()
* scaley;
float
z2 =
new
Float( str[c+8] ).floatValue()
* scalez;
int
col = Integer.parseInt(
str[c+9],16);
c+=10;
// 10 values per line
// Debug Code
/*
System.out.println( " x0:" + x0 + " y0:"+ y0 + " z0: "+z0 +
" x1:" + x1 + " y1:"+ y1 + " z1: "+z1 +
" x2:" + x2 + " y2:"+ y2 + " z2: "+z2 +
" colour:"+ col );
*/
int
red = ( col >> 16 ) &
0xFF;
int
green = ( col >> 8 ) &
0xFF;
int
blue = ( col ) & 0xFF;
Color colr =
new
Color(red,green,blue);
m_tri[i] =
new
Triangle(x0,y0,z0, x1,y1,z1, x2,y2,z2, colr);
i++;
}// End while loop
m_NumTris = i;
}// End of ReadInData() function
...etc...etc
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