mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-26 06:56:45 +01:00
136 lines
No EOL
4 KiB
Text
136 lines
No EOL
4 KiB
Text
function bin_read_byte(bin) {
|
|
return file_bin_read_byte(bin);
|
|
}
|
|
function bin_read_word(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
return b0 + (b1 << 8);
|
|
}
|
|
function bin_read_short(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
|
|
var short = b0 + (b1 << 8);
|
|
var sig = short >> 15;
|
|
short = short & ~(1 << 15);
|
|
return sig? -power(2, 15) + short : short;
|
|
}
|
|
function bin_read_dword(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
var b2 = file_bin_read_byte(bin);
|
|
var b3 = file_bin_read_byte(bin);
|
|
var dword = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
|
|
return dword;
|
|
}
|
|
function bin_read_long(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
var b2 = file_bin_read_byte(bin);
|
|
var b3 = file_bin_read_byte(bin);
|
|
var long = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
|
|
|
|
var sig = long >> 31;
|
|
long = long & ~(1 << 31);
|
|
return sig? -power(2, 31) : long;
|
|
}
|
|
function bin_read_fixed(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
var b2 = file_bin_read_byte(bin);
|
|
var b3 = file_bin_read_byte(bin);
|
|
|
|
var fixInt = b0 + (b1 << 8);
|
|
var fixFrc = b2 + (b3 << 8);
|
|
return fixInt + bin_fraction(fixFrc, 16);
|
|
}
|
|
function bin_read_float(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
var b2 = file_bin_read_byte(bin);
|
|
var b3 = file_bin_read_byte(bin);
|
|
var float = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
|
|
|
|
var sig = float >> 31;
|
|
var expo = (float & ~(1 << 31)) >> 23;
|
|
var mant = float & 0b00000000_01111111_11111111_11111111;
|
|
|
|
var val = (1 + mant) * power(2, expo - 127);
|
|
return sig? -val : val;
|
|
}
|
|
function bin_read_double(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
var b2 = file_bin_read_byte(bin);
|
|
var b3 = file_bin_read_byte(bin);
|
|
var b4 = file_bin_read_byte(bin);
|
|
var b5 = file_bin_read_byte(bin);
|
|
var b6 = file_bin_read_byte(bin);
|
|
var b7 = file_bin_read_byte(bin);
|
|
var double = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56);
|
|
|
|
var sig = double >> 63;
|
|
var expo = (double & ~(1 << 63)) >> 52;
|
|
var mant = double & 0b00000000_00001111_11111111_11111111_11111111_11111111_11111111_11111111;
|
|
|
|
var val = (1 + mant) * power(2, expo - 1023);
|
|
return sig? -val : val;
|
|
}
|
|
function bin_read_qword(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
var b2 = file_bin_read_byte(bin);
|
|
var b3 = file_bin_read_byte(bin);
|
|
var b4 = file_bin_read_byte(bin);
|
|
var b5 = file_bin_read_byte(bin);
|
|
var b6 = file_bin_read_byte(bin);
|
|
var b7 = file_bin_read_byte(bin);
|
|
return b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56);
|
|
}
|
|
function bin_read_long64(bin) {
|
|
var b0 = file_bin_read_byte(bin);
|
|
var b1 = file_bin_read_byte(bin);
|
|
var b2 = file_bin_read_byte(bin);
|
|
var b3 = file_bin_read_byte(bin);
|
|
var b4 = file_bin_read_byte(bin);
|
|
var b5 = file_bin_read_byte(bin);
|
|
var b6 = file_bin_read_byte(bin);
|
|
var b7 = file_bin_read_byte(bin);
|
|
var long = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56);
|
|
var sig = long >> 63;
|
|
long = long & ~(1 << 63);
|
|
return sig? -long : long;
|
|
}
|
|
//
|
|
function bin_read_string(bin) {
|
|
var len = bin_read_word(bin);
|
|
var ss = "";
|
|
repeat(len) {
|
|
var utf = bin_read_byte(bin);
|
|
ss += chr(utf);
|
|
}
|
|
return ss;
|
|
}
|
|
function bin_read_point(bin) {
|
|
return [bin_read_long(bin), bin_read_long(bin)];
|
|
}
|
|
function bin_read_size(bin) {
|
|
return [bin_read_long(bin), bin_read_long(bin)];
|
|
}
|
|
function bin_read_rect(bin) {
|
|
return [bin_read_point(bin), bin_read_size(bin)];
|
|
}
|
|
function bin_read_color(bin) {
|
|
var r = bin_read_byte(bin);
|
|
var g = bin_read_byte(bin);
|
|
var b = bin_read_byte(bin);
|
|
return make_color_rgb(r, g, b);
|
|
}
|
|
function bin_read_pixel(bin, type) {
|
|
switch(type) {
|
|
case 0 : return [ bin_read_byte(bin), bin_read_byte(bin), bin_read_byte(bin), bin_read_byte(bin) ];
|
|
case 1 : return [ bin_read_byte(bin), bin_read_byte(bin) ];
|
|
case 2 : return [ bin_read_byte(bin) ];
|
|
}
|
|
return 0;
|
|
} |