virtualx-engine/drivers/chibi/cp_player_data_utils.cpp

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2014-02-10 02:10:30 +01:00
/*************************************************************************/
/* cp_player_data_utils.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_player_data.h"
uint8_t CPPlayer::vibrato_table[32]={
0, 24, 49, 74, 97,120,141,161,180,197,212,224,235,244,250,253,
255,253,250,244,235,224,212,197,180,161,141,120, 97, 74, 49, 24
};
uint8_t CPPlayer::auto_vibrato_table[128]={
0, 1, 3, 4, 6, 7, 9,10,12,14,15,17,18,20,21,23,
24,25,27,28,30,31,32,34,35,36,38,39,40,41,42,44,
45,46,47,48,49,50,51,52,53,54,54,55,56,57,57,58,
59,59,60,60,61,61,62,62,62,63,63,63,63,63,63,63,
64,63,63,63,63,63,63,63,62,62,62,61,61,60,60,59,
59,58,57,57,56,55,54,54,53,52,51,50,49,48,47,46,
45,44,42,41,40,39,38,36,35,34,32,31,30,28,27,25,
24,23,21,20,18,17,15,14,12,10, 9, 7, 6, 4, 3, 1
};
int8_t CPPlayer::panbrello_table[256]={
0, 2, 3, 5, 6, 8, 9, 11, 12, 14, 16, 17, 19, 20, 22, 23,
24, 26, 27, 29, 30, 32, 33, 34, 36, 37, 38, 39, 41, 42, 43, 44,
45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 56, 57, 58, 59,
59, 60, 60, 61, 61, 62, 62, 62, 63, 63, 63, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 63, 63, 63, 62, 62, 62, 61, 61, 60, 60,
59, 59, 58, 57, 56, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46,
45, 44, 43, 42, 41, 39, 38, 37, 36, 34, 33, 32, 30, 29, 27, 26,
24, 23, 22, 20, 19, 17, 16, 14, 12, 11, 9, 8, 6, 5, 3, 2,
0,- 2,- 3,- 5,- 6,- 8,- 9,-11,-12,-14,-16,-17,-19,-20,-22,-23,
-24,-26,-27,-29,-30,-32,-33,-34,-36,-37,-38,-39,-41,-42,-43,-44,
-45,-46,-47,-48,-49,-50,-51,-52,-53,-54,-55,-56,-56,-57,-58,-59,
-59,-60,-60,-61,-61,-62,-62,-62,-63,-63,-63,-64,-64,-64,-64,-64,
-64,-64,-64,-64,-64,-64,-63,-63,-63,-62,-62,-62,-61,-61,-60,-60,
-59,-59,-58,-57,-56,-56,-55,-54,-53,-52,-51,-50,-49,-48,-47,-46,
-45,-44,-43,-42,-41,-39,-38,-37,-36,-34,-33,-32,-30,-29,-27,-26,
-24,-23,-22,-20,-19,-17,-16,-14,-12,-11,- 9,- 8,- 6,- 5,- 3,- 2
};
int32_t CPPlayer::get_period(uint16_t p_note,int32_t p_c5speed) {
if (song->has_linear_slides()) {
return CPTables::get_linear_period(p_note,0);
} else {
return CPTables::get_log_period(p_note>>1,p_c5speed >>1);
}
}
int32_t CPPlayer::get_frequency(int32_t period) {
if (song->has_linear_slides()) {
return CPTables::get_linear_frequency(period);
} else {
return CPTables::get_old_frequency(period);
}
}
int CPPlayer::find_empty_voice() {
int i;
int min_priority,min_priority_chan=0,priority;
for (i=0;i<control.max_voices;i++) {
if ( ((voice[i].kick==KICK_NOTHING)||(voice[i].kick==KICK_ENVELOPE))&&!mixer->is_voice_active(i) ) {
return i;
}
}
// todo more
for (i=0;i<control.max_voices;i++) {
/* allow us to take over a nonexisting sample */
// if ((voice[i].s==NULL)
// return k;
if ((voice[i].kick==KICK_NOTHING)||(voice[i].kick==KICK_ENVELOPE)) {
priority=voice[i].total_volume<<((CPSampleManager::get_singleton()->get_loop_type( voice[i].sample_ptr->get_sample_data())!=CP_LOOP_NONE)?1:0);
if ((voice[i].has_master_channel)&&(&voice[i]==voice[i].master_channel->slave_voice)) {
priority<<=2;
}
if ((i==0) || (priority<min_priority)) {
min_priority=priority;
min_priority_chan=i;
}
}
}
if (min_priority>8000*7) return -1; /* what the fuck is this? */
return min_priority_chan;
}