255 lines
11 KiB
C++
255 lines
11 KiB
C++
/*************************************************************************/
|
|
/* cp_tables.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#include "cp_tables.h"
|
|
|
|
int32_t CPTables::linear_period_to_freq_tab[768]={
|
|
|
|
535232,534749,534266,533784,533303,532822,532341,531861,
|
|
531381,530902,530423,529944,529466,528988,528511,528034,
|
|
527558,527082,526607,526131,525657,525183,524709,524236,
|
|
523763,523290,522818,522346,521875,521404,520934,520464,
|
|
519994,519525,519057,518588,518121,517653,517186,516720,
|
|
516253,515788,515322,514858,514393,513929,513465,513002,
|
|
512539,512077,511615,511154,510692,510232,509771,509312,
|
|
508852,508393,507934,507476,507018,506561,506104,505647,
|
|
505191,504735,504280,503825,503371,502917,502463,502010,
|
|
501557,501104,500652,500201,499749,499298,498848,498398,
|
|
497948,497499,497050,496602,496154,495706,495259,494812,
|
|
494366,493920,493474,493029,492585,492140,491696,491253,
|
|
490809,490367,489924,489482,489041,488600,488159,487718,
|
|
487278,486839,486400,485961,485522,485084,484647,484210,
|
|
483773,483336,482900,482465,482029,481595,481160,480726,
|
|
480292,479859,479426,478994,478562,478130,477699,477268,
|
|
476837,476407,475977,475548,475119,474690,474262,473834,
|
|
473407,472979,472553,472126,471701,471275,470850,470425,
|
|
470001,469577,469153,468730,468307,467884,467462,467041,
|
|
466619,466198,465778,465358,464938,464518,464099,463681,
|
|
463262,462844,462427,462010,461593,461177,460760,460345,
|
|
459930,459515,459100,458686,458272,457859,457446,457033,
|
|
456621,456209,455797,455386,454975,454565,454155,453745,
|
|
453336,452927,452518,452110,451702,451294,450887,450481,
|
|
450074,449668,449262,448857,448452,448048,447644,447240,
|
|
446836,446433,446030,445628,445226,444824,444423,444022,
|
|
443622,443221,442821,442422,442023,441624,441226,440828,
|
|
440430,440033,439636,439239,438843,438447,438051,437656,
|
|
437261,436867,436473,436079,435686,435293,434900,434508,
|
|
434116,433724,433333,432942,432551,432161,431771,431382,
|
|
430992,430604,430215,429827,429439,429052,428665,428278,
|
|
427892,427506,427120,426735,426350,425965,425581,425197,
|
|
424813,424430,424047,423665,423283,422901,422519,422138,
|
|
421757,421377,420997,420617,420237,419858,419479,419101,
|
|
418723,418345,417968,417591,417214,416838,416462,416086,
|
|
415711,415336,414961,414586,414212,413839,413465,413092,
|
|
412720,412347,411975,411604,411232,410862,410491,410121,
|
|
409751,409381,409012,408643,408274,407906,407538,407170,
|
|
406803,406436,406069,405703,405337,404971,404606,404241,
|
|
403876,403512,403148,402784,402421,402058,401695,401333,
|
|
400970,400609,400247,399886,399525,399165,398805,398445,
|
|
398086,397727,397368,397009,396651,396293,395936,395579,
|
|
395222,394865,394509,394153,393798,393442,393087,392733,
|
|
392378,392024,391671,391317,390964,390612,390259,389907,
|
|
389556,389204,388853,388502,388152,387802,387452,387102,
|
|
386753,386404,386056,385707,385359,385012,384664,384317,
|
|
383971,383624,383278,382932,382587,382242,381897,381552,
|
|
381208,380864,380521,380177,379834,379492,379149,378807,
|
|
378466,378124,377783,377442,377102,376762,376422,376082,
|
|
375743,375404,375065,374727,374389,374051,373714,373377,
|
|
373040,372703,372367,372031,371695,371360,371025,370690,
|
|
370356,370022,369688,369355,369021,368688,368356,368023,
|
|
367691,367360,367028,366697,366366,366036,365706,365376,
|
|
365046,364717,364388,364059,363731,363403,363075,362747,
|
|
362420,362093,361766,361440,361114,360788,360463,360137,
|
|
359813,359488,359164,358840,358516,358193,357869,357547,
|
|
357224,356902,356580,356258,355937,355616,355295,354974,
|
|
354654,354334,354014,353695,353376,353057,352739,352420,
|
|
352103,351785,351468,351150,350834,350517,350201,349885,
|
|
349569,349254,348939,348624,348310,347995,347682,347368,
|
|
347055,346741,346429,346116,345804,345492,345180,344869,
|
|
344558,344247,343936,343626,343316,343006,342697,342388,
|
|
342079,341770,341462,341154,340846,340539,340231,339924,
|
|
339618,339311,339005,338700,338394,338089,337784,337479,
|
|
337175,336870,336566,336263,335959,335656,335354,335051,
|
|
334749,334447,334145,333844,333542,333242,332941,332641,
|
|
332341,332041,331741,331442,331143,330844,330546,330247,
|
|
329950,329652,329355,329057,328761,328464,328168,327872,
|
|
327576,327280,326985,326690,326395,326101,325807,325513,
|
|
325219,324926,324633,324340,324047,323755,323463,323171,
|
|
322879,322588,322297,322006,321716,321426,321136,320846,
|
|
320557,320267,319978,319690,319401,319113,318825,318538,
|
|
318250,317963,317676,317390,317103,316817,316532,316246,
|
|
315961,315676,315391,315106,314822,314538,314254,313971,
|
|
313688,313405,313122,312839,312557,312275,311994,311712,
|
|
311431,311150,310869,310589,310309,310029,309749,309470,
|
|
309190,308911,308633,308354,308076,307798,307521,307243,
|
|
306966,306689,306412,306136,305860,305584,305308,305033,
|
|
304758,304483,304208,303934,303659,303385,303112,302838,
|
|
302565,302292,302019,301747,301475,301203,300931,300660,
|
|
300388,300117,299847,299576,299306,299036,298766,298497,
|
|
298227,297958,297689,297421,297153,296884,296617,296349,
|
|
296082,295815,295548,295281,295015,294749,294483,294217,
|
|
293952,293686,293421,293157,292892,292628,292364,292100,
|
|
291837,291574,291311,291048,290785,290523,290261,289999,
|
|
289737,289476,289215,288954,288693,288433,288173,287913,
|
|
287653,287393,287134,286875,286616,286358,286099,285841,
|
|
285583,285326,285068,284811,284554,284298,284041,283785,
|
|
283529,283273,283017,282762,282507,282252,281998,281743,
|
|
281489,281235,280981,280728,280475,280222,279969,279716,
|
|
279464,279212,278960,278708,278457,278206,277955,277704,
|
|
277453,277203,276953,276703,276453,276204,275955,275706,
|
|
275457,275209,274960,274712,274465,274217,273970,273722,
|
|
273476,273229,272982,272736,272490,272244,271999,271753,
|
|
271508,271263,271018,270774,270530,270286,270042,269798,
|
|
269555,269312,269069,268826,268583,268341,268099,267857
|
|
};
|
|
|
|
uint16_t CPTables::old_period_table[OCTAVE*2]={
|
|
|
|
0x6b00, 0x6800, 0x6500, 0x6220, 0x5f50, 0x5c80,
|
|
0x5a00, 0x5740, 0x54d0, 0x5260, 0x5010, 0x4dc0,
|
|
0x4b90, 0x4960, 0x4750, 0x4540, 0x4350, 0x4160,
|
|
0x3f90, 0x3dc0, 0x3c10, 0x3a40, 0x38b0, 0x3700
|
|
};
|
|
|
|
#define LOGFAC 2*16
|
|
|
|
uint16_t CPTables::log_table[104]= {
|
|
LOGFAC*907,LOGFAC*900,LOGFAC*894,LOGFAC*887,
|
|
LOGFAC*881,LOGFAC*875,LOGFAC*868,LOGFAC*862,
|
|
LOGFAC*856,LOGFAC*850,LOGFAC*844,LOGFAC*838,
|
|
LOGFAC*832,LOGFAC*826,LOGFAC*820,LOGFAC*814,
|
|
LOGFAC*808,LOGFAC*802,LOGFAC*796,LOGFAC*791,
|
|
LOGFAC*785,LOGFAC*779,LOGFAC*774,LOGFAC*768,
|
|
LOGFAC*762,LOGFAC*757,LOGFAC*752,LOGFAC*746,
|
|
LOGFAC*741,LOGFAC*736,LOGFAC*730,LOGFAC*725,
|
|
LOGFAC*720,LOGFAC*715,LOGFAC*709,LOGFAC*704,
|
|
LOGFAC*699,LOGFAC*694,LOGFAC*689,LOGFAC*684,
|
|
LOGFAC*678,LOGFAC*675,LOGFAC*670,LOGFAC*665,
|
|
LOGFAC*660,LOGFAC*655,LOGFAC*651,LOGFAC*646,
|
|
LOGFAC*640,LOGFAC*636,LOGFAC*632,LOGFAC*628,
|
|
LOGFAC*623,LOGFAC*619,LOGFAC*614,LOGFAC*610,
|
|
LOGFAC*604,LOGFAC*601,LOGFAC*597,LOGFAC*592,
|
|
LOGFAC*588,LOGFAC*584,LOGFAC*580,LOGFAC*575,
|
|
LOGFAC*570,LOGFAC*567,LOGFAC*563,LOGFAC*559,
|
|
LOGFAC*555,LOGFAC*551,LOGFAC*547,LOGFAC*543,
|
|
LOGFAC*538,LOGFAC*535,LOGFAC*532,LOGFAC*528,
|
|
LOGFAC*524,LOGFAC*520,LOGFAC*516,LOGFAC*513,
|
|
LOGFAC*508,LOGFAC*505,LOGFAC*502,LOGFAC*498,
|
|
LOGFAC*494,LOGFAC*491,LOGFAC*487,LOGFAC*484,
|
|
LOGFAC*480,LOGFAC*477,LOGFAC*474,LOGFAC*470,
|
|
LOGFAC*467,LOGFAC*463,LOGFAC*460,LOGFAC*457,
|
|
LOGFAC*453,LOGFAC*450,LOGFAC*447,LOGFAC*443,
|
|
LOGFAC*440,LOGFAC*437,LOGFAC*434,LOGFAC*431
|
|
};
|
|
|
|
|
|
|
|
int32_t CPTables::get_linear_period(uint16_t note,int32_t fine) {
|
|
|
|
int32_t t;
|
|
|
|
t=(24L*OCTAVE-(int32_t)note)*32L-(fine>>1);
|
|
return t;
|
|
}
|
|
|
|
static int s3m_period_table[12]={1712,1616,1524,1440,1356,1280,1208,1140,1076,1016,960,907};
|
|
|
|
|
|
int32_t CPTables::get_log_period(uint16_t note,int32_t p_c5freq) {
|
|
|
|
return (8363L * 16 * s3m_period_table[note%12] >> (note/12)) / p_c5freq;
|
|
|
|
}
|
|
|
|
/*
|
|
int32_t CPTables::get_log_period(uint16_t note,int32_t p_c5freq)
|
|
{
|
|
uint16_t n,o;
|
|
uint16_t p1,p2;
|
|
int32_t i;
|
|
|
|
n=note%(2*OCTAVE);
|
|
o=note/(2*OCTAVE);
|
|
i=(n<<2); // n*8 + fine/16
|
|
|
|
if (i<0)
|
|
i=0;
|
|
|
|
if (i>102)
|
|
i=102;
|
|
|
|
|
|
p1=log_table[i];
|
|
p2=log_table[i+1];
|
|
|
|
|
|
return (Interpolate(fine>>4,0,15,p1,p2)>>o);
|
|
|
|
} */
|
|
|
|
int32_t CPTables::get_old_period(uint16_t note,int32_t speed) {
|
|
|
|
uint16_t n,o,res;
|
|
|
|
// if (!speed) {
|
|
|
|
// return 4242; /* <- prevent divide overflow */
|
|
// }
|
|
|
|
n=note%(2*OCTAVE);
|
|
o=note/(2*OCTAVE);
|
|
|
|
res=((8363L*(int32_t)old_period_table[n])>>o)/((old_period_table[17]>>1)+(speed<<2)); /*/(128-speed)*/;
|
|
|
|
return res;
|
|
}
|
|
|
|
int32_t CPTables::get_linear_frequency(int32_t period) {
|
|
|
|
int32_t shift_value=(((int32_t)period/768)-2);
|
|
if (shift_value>0) {
|
|
|
|
return linear_period_to_freq_tab[period%768]>>shift_value;
|
|
} else {
|
|
shift_value=0-shift_value;
|
|
return linear_period_to_freq_tab[period%768]<<shift_value;
|
|
}
|
|
}
|
|
|
|
int32_t CPTables::get_old_frequency(int32_t period) {
|
|
|
|
return (8363L*1712L)/(period?period:1);
|
|
|
|
}
|
|
|
|
CPTables::CPTables(){
|
|
}
|
|
CPTables::~CPTables(){
|
|
}
|