mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 06:26:42 +01:00
143 lines
No EOL
4.1 KiB
Text
143 lines
No EOL
4.1 KiB
Text
function bin_read_byte(_bin) {
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return file_bin_read_byte(_bin);
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}
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function bin_read_word(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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return b0 + (b1 << 8);
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}
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function bin_read_short(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var sht = b0 + (b1 << 8);
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var sig = sht >> 15;
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sht = sht & ~(1 << 15);
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return sig? sht - power(2, 15) : sht;
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}
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function bin_read_dword(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var b2 = file_bin_read_byte(_bin);
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var b3 = file_bin_read_byte(_bin);
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var dw = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
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return dw;
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}
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function bin_read_long(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var b2 = file_bin_read_byte(_bin);
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var b3 = file_bin_read_byte(_bin);
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var lng = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
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var sig = lng >> 31;
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lng = lng & ~(1 << 31);
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return sig? lng - power(2, 31) : lng;
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}
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function bin_read_fixed(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var b2 = file_bin_read_byte(_bin);
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var b3 = file_bin_read_byte(_bin);
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var fixInt = b0 + (b1 << 8);
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var fixFrc = b2 + (b3 << 8);
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return fixInt + bin_fraction(fixFrc, 16);
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}
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function bin_read_float(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var b2 = file_bin_read_byte(_bin);
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var b3 = file_bin_read_byte(_bin);
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var flt = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
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var sig = flt >> 31;
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var expo = (flt & ~(1 << 31)) >> 23;
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var mant = flt & 0b00000000_01111111_11111111_11111111;
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var val = (1 + mant) * power(2, expo - 127);
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return sig? -val : val;
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}
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function bin_read_double(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var b2 = file_bin_read_byte(_bin);
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var b3 = file_bin_read_byte(_bin);
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var b4 = file_bin_read_byte(_bin);
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var b5 = file_bin_read_byte(_bin);
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var b6 = file_bin_read_byte(_bin);
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var b7 = file_bin_read_byte(_bin);
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var dub = int64(b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56));
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var sig = dub >> 63;
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var expo = (dub & ~(1 << 63)) >> 52;
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var mant = dub & 0b00000000_00001111_11111111_11111111_11111111_11111111_11111111_11111111;
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var val = (1 + mant) * power(2, expo - 1023);
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return sig? -val : val;
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}
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function bin_read_qword(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var b2 = file_bin_read_byte(_bin);
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var b3 = file_bin_read_byte(_bin);
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var b4 = file_bin_read_byte(_bin);
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var b5 = file_bin_read_byte(_bin);
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var b6 = file_bin_read_byte(_bin);
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var b7 = file_bin_read_byte(_bin);
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return int64(b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56));
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}
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function bin_read_long64(_bin) {
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var b0 = file_bin_read_byte(_bin);
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var b1 = file_bin_read_byte(_bin);
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var b2 = file_bin_read_byte(_bin);
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var b3 = file_bin_read_byte(_bin);
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var b4 = file_bin_read_byte(_bin);
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var b5 = file_bin_read_byte(_bin);
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var b6 = file_bin_read_byte(_bin);
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var b7 = file_bin_read_byte(_bin);
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var lng = int64(b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56));
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var sig = lng >> 63;
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lng = lng & ~(1 << 63);
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return sig? -lng : lng;
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}
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function bin_read_string(_bin) {
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var len = bin_read_word(_bin);
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var ss = "";
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repeat(len) {
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var utf = bin_read_byte(_bin);
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ss += chr(utf);
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}
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return ss;
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}
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function bin_read_point(_bin) { return [ bin_read_long(_bin), bin_read_long(_bin) ]; }
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function bin_read_size(_bin) { return [ bin_read_long(_bin), bin_read_long(_bin) ]; }
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function bin_read_rect(_bin) { return [ bin_read_point(_bin), bin_read_size(_bin) ]; }
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function bin_read_color(_bin) {
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var r = bin_read_byte(_bin);
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var g = bin_read_byte(_bin);
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var b = bin_read_byte(_bin);
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return make_color_rgb(r, g, b);
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}
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function bin_read_pixel(_bin, type) {
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switch(type) {
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case 0 : return [ bin_read_byte(_bin), bin_read_byte(_bin), bin_read_byte(_bin), bin_read_byte(_bin) ];
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case 1 : return [ bin_read_byte(_bin), bin_read_byte(_bin) ];
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case 2 : return [ bin_read_byte(_bin) ];
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}
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return 0;
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} |