1215 lines
33 KiB
C++
1215 lines
33 KiB
C++
/*************************************************************************/
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/* cp_player_data_effects.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "cp_player_data.h"
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/**********************
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complex effects
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***********************/
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#define RANDOM_MAX 2147483647
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static inline int32_t cp_random_generate(int32_t *seed) {
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int32_t k;
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int32_t s = (int32_t)(*seed);
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if (s == 0)
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s = 0x12345987;
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k = s / 127773;
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s = 16807 * (s - k * 127773) - 2836 * k;
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if (s < 0)
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s += 2147483647;
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(*seed) = (int32_t)s;
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return (int32_t)(s & RANDOM_MAX);
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}
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void CPPlayer::do_vibrato(int p_track, bool fine) {
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uint8_t q;
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uint16_t temp = 0;
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if ((control.ticks_counter == 0) && control.channel[p_track].row_has_note) control.channel[p_track].vibrato_position = 0;
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q = (control.channel[p_track].vibrato_position >> 2) & 0x1f;
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switch (control.channel[p_track].vibrato_type) {
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case 0: /* sine */
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temp = vibrato_table[q];
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break;
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case 1: /* square wave */
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temp = 255;
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break;
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case 2: /* ramp down */
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q <<= 3;
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if (control.channel[p_track].vibrato_position < 0) q = 255 - q;
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temp = q;
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break;
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case 3: /* random */
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temp = cp_random_generate(&control.random_seed) % 256; //getrandom(256);
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break;
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}
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temp *= control.channel[p_track].vibrato_depth;
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if (song->has_old_effects()) {
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temp >>= 7;
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} else {
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temp >>= 8;
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}
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if (!fine) temp <<= 2;
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if (control.channel[p_track].vibrato_position >= 0) {
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control.channel[p_track].period = control.channel[p_track].aux_period + temp;
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} else {
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control.channel[p_track].period = control.channel[p_track].aux_period - temp;
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}
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if (!song->has_old_effects() || control.ticks_counter) control.channel[p_track].vibrato_position += control.channel[p_track].vibrato_speed;
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}
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void CPPlayer::do_pitch_slide_down(int p_track, uint8_t inf) {
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uint8_t hi, lo;
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if (inf)
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control.channel[p_track].pitch_slide_info = inf;
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else
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inf = control.channel[p_track].pitch_slide_info;
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hi = inf >> 4;
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lo = inf & 0xf;
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if (hi == 0xf) {
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if (!control.ticks_counter) control.channel[p_track].aux_period += (uint16_t)lo << 2;
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} else if (hi == 0xe) {
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if (!control.ticks_counter) control.channel[p_track].aux_period += lo;
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} else {
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if (control.ticks_counter) control.channel[p_track].aux_period += (uint16_t)inf << 2;
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}
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}
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void CPPlayer::do_pitch_slide_up(int p_track, uint8_t inf) {
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uint8_t hi, lo;
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if (inf)
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control.channel[p_track].pitch_slide_info = inf;
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else
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inf = control.channel[p_track].pitch_slide_info;
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hi = inf >> 4;
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lo = inf & 0xf;
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if (hi == 0xf) {
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if (!control.ticks_counter) control.channel[p_track].aux_period -= (uint16_t)lo << 2;
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} else if (hi == 0xe) {
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if (!control.ticks_counter) control.channel[p_track].aux_period -= lo;
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} else {
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if (control.ticks_counter) control.channel[p_track].aux_period -= (uint16_t)inf << 2;
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}
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}
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void CPPlayer::do_pitch_slide_to_note(int p_track) {
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if (control.ticks_counter) {
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int dist;
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/* We have to slide a->period towards a->wantedperiod, compute the
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difference between those two values */
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dist = control.channel[p_track].period - control.channel[p_track].slide_to_period;
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/* if they are equal or if portamentospeed is too big... */
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if ((!dist) || ((control.channel[p_track].portamento_speed << 2) > cp_intabs(dist))) {
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/* ... make tmpperiod equal tperiod */
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control.channel[p_track].aux_period = control.channel[p_track].period = control.channel[p_track].slide_to_period;
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} else {
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if (dist > 0) {
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control.channel[p_track].aux_period -= control.channel[p_track].portamento_speed << 2;
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control.channel[p_track].period -= control.channel[p_track].portamento_speed << 2; /* dist>0 slide up */
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} else {
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control.channel[p_track].aux_period += control.channel[p_track].portamento_speed << 2;
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control.channel[p_track].period += control.channel[p_track].portamento_speed << 2; /* dist<0 slide down */
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}
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}
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} else {
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control.channel[p_track].aux_period = control.channel[p_track].period;
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}
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}
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void CPPlayer::do_tremor(int p_track) {
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uint8_t on, off, inf;
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inf = control.channel[p_track].current_parameter;
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if (inf) {
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control.channel[p_track].tremor_info = inf;
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} else {
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inf = control.channel[p_track].tremor_info;
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if (!inf) return;
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}
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//if (!control.ticks_counter) return;
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on = (inf >> 4);
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off = (inf & 0xf);
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control.channel[p_track].tremor_position %= (on + off);
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control.channel[p_track].volume = (control.channel[p_track].tremor_position < on) ? control.channel[p_track].aux_volume : 0;
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control.channel[p_track].tremor_position++;
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}
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void CPPlayer::do_pan_slide(int p_track) {
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uint8_t lo, hi, inf;
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int16_t pan;
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inf = control.channel[p_track].current_parameter;
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if (inf)
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control.channel[p_track].channel_pan_slide_info = inf;
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else
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inf = control.channel[p_track].channel_pan_slide_info;
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lo = inf & 0xf;
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hi = inf >> 4;
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pan = (control.channel[p_track].panning == PAN_SURROUND) ? PAN_CENTER : control.channel[p_track].panning;
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if (!hi)
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pan += lo << 2;
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else if (!lo) {
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pan -= hi << 2;
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} else if (hi == 0xf) {
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if (!control.ticks_counter) pan += lo << 2;
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} else if (lo == 0xf) {
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if (!control.ticks_counter) pan -= hi << 2;
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}
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//this sets both chan & voice paning
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control.channel[p_track].panning = (pan < PAN_LEFT) ? PAN_LEFT : (pan > PAN_RIGHT ? PAN_RIGHT : pan);
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control.channel[p_track].channel_panning = control.channel[p_track].panning;
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}
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void CPPlayer::do_volume_slide(int p_track, int inf) {
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uint8_t hi, lo;
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lo = inf & 0xf;
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hi = inf >> 4;
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if (!lo) {
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if ((control.ticks_counter)) control.channel[p_track].aux_volume += hi;
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} else if (!hi) {
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if ((control.ticks_counter)) control.channel[p_track].aux_volume -= lo;
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} else if (lo == 0xf) {
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if (!control.ticks_counter) control.channel[p_track].aux_volume += (hi ? hi : 0xf);
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} else if (hi == 0xf) {
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if (!control.ticks_counter) control.channel[p_track].aux_volume -= (lo ? lo : 0xf);
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} else
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return;
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if (control.channel[p_track].aux_volume < 0) {
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control.channel[p_track].aux_volume = 0;
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} else if (control.channel[p_track].aux_volume > 64) {
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control.channel[p_track].aux_volume = 64;
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}
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}
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void CPPlayer::do_channel_volume_slide(int p_track) {
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uint8_t lo, hi, inf;
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inf = control.channel[p_track].current_parameter;
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if (inf) control.channel[p_track].channel_volume_slide_info = inf;
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inf = control.channel[p_track].channel_volume_slide_info;
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lo = inf & 0xf;
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hi = inf >> 4;
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if (!hi)
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control.channel[p_track].channel_volume -= lo;
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else if (!lo) {
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control.channel[p_track].channel_volume += hi;
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} else if (hi == 0xf) {
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if (!control.ticks_counter) control.channel[p_track].channel_volume -= lo;
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} else if (lo == 0xf) {
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if (!control.ticks_counter) control.channel[p_track].channel_volume += hi;
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}
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if (control.channel[p_track].channel_volume < 0) control.channel[p_track].channel_volume = 0;
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if (control.channel[p_track].channel_volume > 64) control.channel[p_track].channel_volume = 64;
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}
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void CPPlayer::do_tremolo(int p_track) {
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uint8_t q;
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int16_t temp = 0;
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if ((control.ticks_counter == 0) && control.channel[p_track].row_has_note) control.channel[p_track].tremolo_position = 0;
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q = (control.channel[p_track].tremolo_position >> 2) & 0x1f;
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switch (control.channel[p_track].tremolo_type) {
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case 0: /* sine */
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temp = vibrato_table[q];
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break;
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case 1: /* ramp down */
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q <<= 3;
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if (control.channel[p_track].tremolo_position < 0) q = 255 - q;
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temp = q;
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break;
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case 2: /* square wave */
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temp = 255;
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break;
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case 3: /* random */
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temp = cp_random_generate(&control.random_seed) % 256; //getrandom(256);
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break;
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}
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temp *= control.channel[p_track].tremolo_depth;
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temp >>= 7;
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if (control.channel[p_track].tremolo_position >= 0) {
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control.channel[p_track].volume = control.channel[p_track].aux_volume + temp;
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if (control.channel[p_track].volume > 64) control.channel[p_track].volume = 64;
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} else {
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control.channel[p_track].volume = control.channel[p_track].aux_volume - temp;
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if (control.channel[p_track].volume < 0) control.channel[p_track].volume = 0;
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}
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/*if (control.ticks_counter)*/ control.channel[p_track].tremolo_position += control.channel[p_track].tremolo_speed;
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}
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void CPPlayer::do_arpegio(int p_track) {
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uint8_t note, dat;
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//note=control.channel[p_track].note;
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note = 0;
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if (control.channel[p_track].current_parameter) {
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control.channel[p_track].arpegio_info = control.channel[p_track].current_parameter;
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}
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dat = control.channel[p_track].arpegio_info;
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if (dat) {
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switch (control.ticks_counter % 3) {
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case 1: {
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note += (dat >> 4);
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} break;
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case 2: {
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note += (dat & 0xf);
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} break;
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}
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if (song->has_linear_slides()) {
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control.channel[p_track].period = control.channel[p_track].aux_period - cp_intabs(get_period((uint16_t)46, 0) - get_period((uint16_t)44, 0)) * note;
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} else if (control.channel[p_track].sample_ptr) {
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control.channel[p_track].period = get_period((((uint16_t)control.channel[p_track].note) + note) << 1, CPSampleManager::get_singleton()->get_c5_freq((control.channel[p_track].sample_ptr->get_sample_data())));
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}
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control.channel[p_track].has_own_period = true;
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}
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}
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void CPPlayer::do_retrig(int p_track) {
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uint8_t inf;
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inf = control.channel[p_track].current_parameter;
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if (inf) {
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control.channel[p_track].retrig_volslide = inf >> 4;
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control.channel[p_track].retrig_speed = inf & 0xf;
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}
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/* only retrigger if low nibble > 0 */
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if (control.channel[p_track].retrig_speed > 0) {
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if (!control.channel[p_track].retrig_counter) {
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/* when retrig counter reaches 0, reset counter and restart the
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sample */
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if (control.channel[p_track].kick != KICK_NOTE) control.channel[p_track].kick = KICK_NOTEOFF;
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control.channel[p_track].retrig_counter = control.channel[p_track].retrig_speed;
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if ((control.ticks_counter) /*||(pf->flags&UF_S3MSLIDES)*/) {
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switch (control.channel[p_track].retrig_volslide) {
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case 1:
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case 2:
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case 3:
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case 4:
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case 5:
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control.channel[p_track].aux_volume -= (1 << (control.channel[p_track].retrig_volslide - 1));
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break;
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case 6:
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control.channel[p_track].aux_volume = (2 * control.channel[p_track].aux_volume) / 3;
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break;
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case 7:
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control.channel[p_track].aux_volume >>= 1;
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break;
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case 9:
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case 0xa:
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case 0xb:
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case 0xc:
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case 0xd:
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control.channel[p_track].aux_volume += (1 << (control.channel[p_track].retrig_volslide - 9));
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break;
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case 0xe:
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control.channel[p_track].aux_volume = (3 * control.channel[p_track].aux_volume) >> 1;
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break;
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case 0xf:
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control.channel[p_track].aux_volume = control.channel[p_track].aux_volume << 1;
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break;
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}
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if (control.channel[p_track].aux_volume < 0)
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control.channel[p_track].aux_volume = 0;
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else if (control.channel[p_track].aux_volume > 64)
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control.channel[p_track].aux_volume = 64;
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}
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}
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control.channel[p_track].retrig_counter--; /* countdown */
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}
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}
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void CPPlayer::do_global_volume_slide(int p_track) {
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uint8_t lo, hi, inf;
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inf = control.channel[p_track].current_parameter;
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if (inf) control.channel[p_track].global_volume_slide_info = inf;
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inf = control.channel[p_track].global_volume_slide_info;
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lo = inf & 0xf;
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hi = inf >> 4;
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if (!lo) {
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if (control.ticks_counter) control.global_volume += hi;
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} else if (!hi) {
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if (control.ticks_counter) control.global_volume -= lo;
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} else if (lo == 0xf) {
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if (!control.ticks_counter) control.global_volume += hi;
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} else if (hi == 0xf) {
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if (!control.ticks_counter) control.global_volume -= lo;
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}
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if (control.global_volume < 0) control.global_volume = 0;
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if (control.global_volume > 128) control.global_volume = 128;
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}
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void CPPlayer::do_panbrello(int p_track) {
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uint8_t q;
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int32_t temp = 0;
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q = control.channel[p_track].panbrello_position;
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switch (control.channel[p_track].panbrello_type) {
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case 0: { /* sine */
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temp = panbrello_table[q];
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} break;
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case 1: { /* square wave */
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temp = (q < 0x80) ? 64 : 0;
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} break;
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case 2: { /* ramp down */
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q <<= 3;
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temp = q;
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} break;
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case 3: { /* random */
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if (control.channel[p_track].panbrello_position >= control.channel[p_track].panbrello_speed) {
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control.channel[p_track].panbrello_position = 0;
|
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temp = cp_random_generate(&control.random_seed) % 256; //getrandom(256);
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}
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} break;
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}
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temp = temp * (int)control.channel[p_track].panbrello_depth / 0xF;
|
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temp <<= 1;
|
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if (control.channel[p_track].channel_panning != PAN_SURROUND)
|
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temp += control.channel[p_track].channel_panning;
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|
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control.channel[p_track].panning = (temp < PAN_LEFT) ? PAN_LEFT : (temp > PAN_RIGHT ? PAN_RIGHT : temp);
|
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control.channel[p_track].panbrello_position += control.channel[p_track].panbrello_speed;
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}
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|
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/******************
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S effect
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*******************/
|
|
|
|
void CPPlayer::do_effect_S(int p_track) {
|
|
|
|
uint8_t inf, c, dat;
|
|
|
|
dat = control.channel[p_track].current_parameter;
|
|
|
|
inf = dat & 0xf;
|
|
c = dat >> 4;
|
|
|
|
if (!dat) {
|
|
c = control.channel[p_track].current_S_effect;
|
|
inf = control.channel[p_track].current_S_data;
|
|
} else {
|
|
control.channel[p_track].current_S_effect = c;
|
|
control.channel[p_track].current_S_data = inf;
|
|
}
|
|
|
|
switch (c) {
|
|
case 1: { /* S1x set glissando voice */
|
|
// this is unsupported in IT!
|
|
|
|
control.channel[p_track].chorus_send = inf * 0xFF / 0xF;
|
|
|
|
} break;
|
|
case 2: /* S2x set finetune */
|
|
//Also not supported!
|
|
break;
|
|
case 3: /* S3x set vibrato waveform */
|
|
if (inf < 4) control.channel[p_track].vibrato_type = inf;
|
|
break;
|
|
case 4: /* S4x set tremolo waveform */
|
|
if (inf < 4) control.channel[p_track].tremolo_type = inf;
|
|
break;
|
|
case 5: /* S5x panbrello */
|
|
if (inf < 4) control.channel[p_track].panbrello_type = inf;
|
|
break;
|
|
case 6: { /* S6x delay x number of frames (patdly) */
|
|
|
|
if (control.ticks_counter) break;
|
|
if (!control.pattern_delay_2) control.pattern_delay_1 = inf + 1; /* only once, when vbtick=0 */
|
|
|
|
} break;
|
|
case 7: /* S7x instrument / NNA commands */
|
|
|
|
if (!song->has_instruments())
|
|
break;
|
|
switch (inf) {
|
|
|
|
case 0x3: {
|
|
|
|
control.channel[p_track].NNA_type = CPInstrument::NNA_NOTE_CUT;
|
|
} break;
|
|
case 0x4: {
|
|
|
|
control.channel[p_track].NNA_type = CPInstrument::NNA_NOTE_CONTINUE;
|
|
} break;
|
|
case 0x5: {
|
|
|
|
control.channel[p_track].NNA_type = CPInstrument::NNA_NOTE_OFF;
|
|
} break;
|
|
case 0x6: {
|
|
|
|
control.channel[p_track].NNA_type = CPInstrument::NNA_NOTE_FADE;
|
|
} break;
|
|
case 0x7: {
|
|
|
|
if (control.channel[p_track].slave_voice)
|
|
control.channel[p_track].slave_voice->volume_envelope_ctrl.active = false;
|
|
} break;
|
|
case 0x8: {
|
|
|
|
if (control.channel[p_track].slave_voice)
|
|
control.channel[p_track].slave_voice->volume_envelope_ctrl.active = true;
|
|
|
|
} break;
|
|
case 0x9: {
|
|
|
|
if (control.channel[p_track].slave_voice)
|
|
control.channel[p_track].slave_voice->panning_envelope_ctrl.active = false;
|
|
|
|
} break;
|
|
case 0xA: {
|
|
|
|
if (control.channel[p_track].slave_voice)
|
|
control.channel[p_track].slave_voice->panning_envelope_ctrl.active = true;
|
|
|
|
} break;
|
|
case 0xB: {
|
|
if (control.channel[p_track].slave_voice)
|
|
control.channel[p_track].slave_voice->pitch_envelope_ctrl.active = false;
|
|
|
|
} break;
|
|
case 0xC: {
|
|
|
|
if (control.channel[p_track].slave_voice)
|
|
control.channel[p_track].slave_voice->pitch_envelope_ctrl.active = true;
|
|
|
|
} break;
|
|
}
|
|
break;
|
|
|
|
break;
|
|
case 8: { /* S8x set panning position */
|
|
|
|
// if (pf->panflag) {
|
|
if (inf <= 8)
|
|
inf <<= 4;
|
|
else
|
|
inf *= 17;
|
|
control.channel[p_track].panning = control.channel[p_track].channel_panning = inf;
|
|
// }
|
|
} break;
|
|
|
|
case 9: { /* S9x set surround sound */
|
|
//if (pf->panflag)
|
|
control.channel[p_track].panning = control.channel[p_track].channel_panning = PAN_SURROUND;
|
|
} break;
|
|
case 0xA: { /* SAy set high order sample offset yxx00h */
|
|
|
|
if (control.channel[p_track].current_parameter) control.channel[p_track].hi_offset = (int32_t)inf << 16;
|
|
control.channel[p_track].sample_start_index = control.channel[p_track].hi_offset | control.channel[p_track].lo_offset;
|
|
} break;
|
|
case 0xB: { /* SBx pattern loop */
|
|
if (control.ticks_counter) break;
|
|
|
|
if (inf) { /* set reppos or repcnt ? */
|
|
/* set repcnt, so check if repcnt already is set, which means we
|
|
are already looping */
|
|
if (control.channel[p_track].pattern_loop_count > 0)
|
|
control.channel[p_track].pattern_loop_count--; /* already looping, decrease counter */
|
|
else {
|
|
control.channel[p_track].pattern_loop_count = inf; /* not yet looping, so set repcnt */
|
|
}
|
|
|
|
if (control.channel[p_track].pattern_loop_count > 0) { /* jump to reppos if repcnt>0 */
|
|
|
|
control.position = control.previous_position; // This will also anulate any Cxx or break..
|
|
|
|
control.position.current_row = control.channel[p_track].pattern_loop_position;
|
|
control.position.forbid_jump = true;
|
|
}
|
|
|
|
} else {
|
|
|
|
control.channel[p_track].pattern_loop_position = control.position.current_row - 1;
|
|
}
|
|
|
|
} break;
|
|
case 0xC: { /* SCx notecut */
|
|
|
|
if (control.ticks_counter >= inf) {
|
|
|
|
control.channel[p_track].aux_volume = 0;
|
|
control.channel[p_track].note_end_flags |= END_NOTE_OFF;
|
|
control.channel[p_track].note_end_flags |= END_NOTE_KILL;
|
|
}
|
|
} break;
|
|
case 0xD: { /* SDx notedelay */
|
|
|
|
if (!control.ticks_counter) {
|
|
|
|
control.channel[p_track].note_delay = inf;
|
|
|
|
} else if (control.channel[p_track].note_delay) {
|
|
|
|
control.channel[p_track].note_delay--;
|
|
}
|
|
|
|
} break;
|
|
case 0xF: { /* SEx patterndelay */
|
|
|
|
if (control.ticks_counter) break;
|
|
if (!control.pattern_delay_2) control.pattern_delay_1 = inf + 1; /* only once, when vbtick=0 */
|
|
|
|
} break;
|
|
}
|
|
}
|
|
|
|
/*********************
|
|
volume effects
|
|
**********************/
|
|
|
|
void CPPlayer::run_volume_column_effects(int p_track) {
|
|
|
|
uint8_t param = control.channel[p_track].current_volume_parameter;
|
|
|
|
switch ('A' + control.channel[p_track].current_volume_command) {
|
|
|
|
case 'A': {
|
|
|
|
if (param > 0)
|
|
control.channel[p_track].volcol_volume_slide = param;
|
|
else
|
|
param = control.channel[p_track].volcol_volume_slide;
|
|
|
|
do_volume_slide(p_track, param * 0x10 + 0xF);
|
|
|
|
} break;
|
|
case 'B': {
|
|
|
|
if (param > 0)
|
|
control.channel[p_track].volcol_volume_slide = param;
|
|
else
|
|
param = control.channel[p_track].volcol_volume_slide;
|
|
|
|
do_volume_slide(p_track, 0xF0 + param);
|
|
|
|
} break;
|
|
case 'C': {
|
|
|
|
if (param > 0)
|
|
control.channel[p_track].volcol_volume_slide = param;
|
|
else
|
|
param = control.channel[p_track].volcol_volume_slide;
|
|
|
|
do_volume_slide(p_track, param * 0x10);
|
|
} break;
|
|
case 'D': {
|
|
|
|
if (param > 0)
|
|
control.channel[p_track].volcol_volume_slide = param;
|
|
else
|
|
param = control.channel[p_track].volcol_volume_slide;
|
|
do_volume_slide(p_track, param);
|
|
|
|
} break;
|
|
case 'E': {
|
|
|
|
do_pitch_slide_down(p_track, param << 2);
|
|
} break;
|
|
case 'F': {
|
|
|
|
do_pitch_slide_up(p_track, param << 2);
|
|
} break;
|
|
case 'G': {
|
|
|
|
const uint8_t slide_table[] = { 0, 1, 4, 8, 16, 32, 64, 96, 128, 255 };
|
|
if (param) {
|
|
|
|
control.channel[p_track].portamento_speed = slide_table[param];
|
|
}
|
|
|
|
if (control.channel[p_track].period && (control.channel[p_track].old_note <= 120)) {
|
|
|
|
if ((!control.ticks_counter) && (control.channel[p_track].new_instrument)) {
|
|
|
|
//control.channel[p_track].kick=KICK_NOTE;
|
|
//control.channel[p_track].sample_start_index=0; // < am i stupid?
|
|
} else {
|
|
|
|
control.channel[p_track].kick = (control.channel[p_track].kick == KICK_NOTE) ? KICK_ENVELOPE : KICK_NOTHING;
|
|
do_pitch_slide_to_note(p_track);
|
|
control.channel[p_track].has_own_period = true;
|
|
}
|
|
}
|
|
} break;
|
|
case 'H': {
|
|
|
|
if (!control.ticks_counter) {
|
|
if (param & 0x0f) control.channel[p_track].vibrato_depth = param;
|
|
}
|
|
control.channel[p_track].doing_vibrato = true;
|
|
if (control.external_vibrato) break;
|
|
if (control.channel[p_track].period) {
|
|
|
|
do_vibrato(p_track, false);
|
|
control.channel[p_track].has_own_period = true;
|
|
}
|
|
|
|
} break;
|
|
}
|
|
}
|
|
/*********************
|
|
table
|
|
**********************/
|
|
|
|
void CPPlayer::run_effects(int p_track) {
|
|
|
|
switch ('A' + control.channel[p_track].current_command) {
|
|
|
|
case 'A': {
|
|
|
|
if ((control.ticks_counter > 0) || (control.pattern_delay_2 > 0)) break;
|
|
|
|
int new_speed;
|
|
|
|
new_speed = control.channel[p_track].current_parameter % 128;
|
|
|
|
if (new_speed > 0) {
|
|
control.speed = new_speed;
|
|
control.ticks_counter = 0;
|
|
}
|
|
} break;
|
|
case 'B': {
|
|
|
|
int next_order;
|
|
|
|
if (control.ticks_counter || control.position.forbid_jump) break;
|
|
|
|
control.position.current_row = 0;
|
|
|
|
if (control.play_mode == PLAY_PATTERN) break;
|
|
|
|
next_order = get_song_next_order_idx(song, (int)control.channel[p_track].current_parameter - 1);
|
|
|
|
if (next_order != -1) {
|
|
// Do we have a "next order?"
|
|
control.position.current_pattern = song->get_order(next_order);
|
|
control.position.force_next_order = next_order;
|
|
|
|
} else {
|
|
// no, probably the user deleted the orderlist.
|
|
control.play_mode = PLAY_NOTHING;
|
|
reset();
|
|
}
|
|
} break;
|
|
case 'C': {
|
|
|
|
int next_order;
|
|
|
|
if (control.ticks_counter || control.position.forbid_jump) break;
|
|
|
|
control.position.current_row = control.channel[p_track].current_parameter;
|
|
|
|
if (control.play_mode == PLAY_PATTERN) {
|
|
|
|
if (control.position.current_row >= song->get_pattern(control.position.current_pattern)->get_length()) {
|
|
|
|
control.position.current_row = 0;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
next_order = get_song_next_order_idx(song, (int)control.position.current_order);
|
|
|
|
if (next_order != -1) {
|
|
// Do we have a "next order?"
|
|
control.position.current_pattern = song->get_order(next_order);
|
|
|
|
if (control.position.current_row >= song->get_pattern(song->get_order(next_order))->get_length()) {
|
|
|
|
control.position.current_row = 0;
|
|
}
|
|
|
|
control.position.force_next_order = next_order;
|
|
|
|
} else {
|
|
// no, probably the user deleted the orderlist.
|
|
control.play_mode = PLAY_NOTHING;
|
|
reset();
|
|
}
|
|
|
|
} break;
|
|
case 'D': {
|
|
|
|
uint8_t inf;
|
|
//explicitslides=1;
|
|
inf = control.channel[p_track].current_parameter;
|
|
|
|
if (inf)
|
|
control.channel[p_track].volume_slide_info = inf;
|
|
else
|
|
inf = control.channel[p_track].volume_slide_info;
|
|
|
|
do_volume_slide(p_track, inf);
|
|
|
|
} break;
|
|
case 'E': {
|
|
|
|
uint8_t inf;
|
|
|
|
inf = control.channel[p_track].current_parameter;
|
|
do_pitch_slide_down(p_track, inf);
|
|
|
|
} break;
|
|
case 'F': {
|
|
|
|
uint8_t inf;
|
|
|
|
inf = control.channel[p_track].current_parameter;
|
|
do_pitch_slide_up(p_track, inf);
|
|
|
|
} break;
|
|
case 'G': {
|
|
|
|
if (control.channel[p_track].current_parameter) {
|
|
|
|
control.channel[p_track].portamento_speed = control.channel[p_track].current_parameter;
|
|
}
|
|
|
|
if (control.channel[p_track].period && (control.channel[p_track].old_note <= 120)) {
|
|
|
|
if ((!control.ticks_counter) && (control.channel[p_track].new_instrument)) {
|
|
|
|
control.channel[p_track].kick = KICK_NOTE;
|
|
control.channel[p_track].sample_start_index = 0;
|
|
|
|
} else {
|
|
|
|
control.channel[p_track].kick = (control.channel[p_track].kick == KICK_NOTE) ? KICK_ENVELOPE : KICK_NOTHING;
|
|
}
|
|
|
|
do_pitch_slide_to_note(p_track);
|
|
control.channel[p_track].has_own_period = true;
|
|
}
|
|
|
|
} break;
|
|
case 'H': {
|
|
|
|
uint8_t dat;
|
|
|
|
control.channel[p_track].doing_vibrato = true;
|
|
|
|
dat = control.channel[p_track].current_parameter;
|
|
|
|
if (!control.ticks_counter) {
|
|
if (dat & 0x0f) control.channel[p_track].vibrato_depth = dat & 0xf;
|
|
if (dat & 0xf0) control.channel[p_track].vibrato_speed = (dat & 0xf0) >> 2;
|
|
}
|
|
|
|
if (control.external_vibrato) break;
|
|
|
|
if (control.channel[p_track].period) {
|
|
|
|
do_vibrato(p_track, false);
|
|
control.channel[p_track].has_own_period = true;
|
|
}
|
|
|
|
} break;
|
|
case 'I': {
|
|
|
|
do_tremor(p_track);
|
|
control.channel[p_track].has_own_volume = true;
|
|
} break;
|
|
case 'J': {
|
|
|
|
do_arpegio(p_track);
|
|
} break;
|
|
case 'K': {
|
|
|
|
uint8_t inf;
|
|
//explicitslides=1;
|
|
inf = control.channel[p_track].current_parameter;
|
|
|
|
control.channel[p_track].doing_vibrato = true;
|
|
|
|
if (inf)
|
|
control.channel[p_track].volume_slide_info = inf;
|
|
else
|
|
inf = control.channel[p_track].volume_slide_info;
|
|
|
|
do_volume_slide(p_track, inf);
|
|
|
|
if (control.external_vibrato) break;
|
|
|
|
if (control.channel[p_track].period) {
|
|
|
|
do_vibrato(p_track, false);
|
|
control.channel[p_track].has_own_period = true;
|
|
}
|
|
|
|
} break;
|
|
case 'L': {
|
|
uint8_t inf;
|
|
//explicitslides=1;
|
|
inf = control.channel[p_track].current_parameter;
|
|
|
|
if (inf)
|
|
control.channel[p_track].volume_slide_info = inf;
|
|
else
|
|
inf = control.channel[p_track].volume_slide_info;
|
|
|
|
do_volume_slide(p_track, inf);
|
|
|
|
if (control.channel[p_track].period && (control.channel[p_track].old_note <= 120)) {
|
|
if ((!control.ticks_counter) && (control.channel[p_track].new_instrument)) {
|
|
|
|
control.channel[p_track].kick = KICK_NOTE;
|
|
control.channel[p_track].sample_start_index = 0;
|
|
|
|
} else {
|
|
|
|
control.channel[p_track].kick = (control.channel[p_track].kick == KICK_NOTE) ? KICK_ENVELOPE : KICK_NOTHING;
|
|
}
|
|
|
|
do_pitch_slide_to_note(p_track);
|
|
control.channel[p_track].has_own_period = true;
|
|
}
|
|
} break;
|
|
case 'M': {
|
|
control.channel[p_track].channel_volume = control.channel[p_track].current_parameter;
|
|
if (control.channel[p_track].channel_volume > 64)
|
|
control.channel[p_track].channel_volume = 64;
|
|
else if (control.channel[p_track].channel_volume < 0)
|
|
control.channel[p_track].channel_volume = 0;
|
|
} break;
|
|
case 'N': {
|
|
|
|
do_channel_volume_slide(p_track);
|
|
}
|
|
case 'O': {
|
|
|
|
if (!control.ticks_counter) {
|
|
|
|
if (control.channel[p_track].current_parameter) control.channel[p_track].lo_offset = (uint16_t)control.channel[p_track].current_parameter << 8;
|
|
control.channel[p_track].sample_start_index = control.channel[p_track].hi_offset | control.channel[p_track].lo_offset;
|
|
|
|
//if ((control.channel[p_track].sample_ptr!=NULL)&&(control.channel[p_track].sample_start_index>control.channel[p_track].sample_ptr->data.size)) {
|
|
//TODO, O effect
|
|
//a->start=a->s->flags&(SF_LOOP|SF_BIDI)?a->s->loopstart:a->s->length;
|
|
//}
|
|
}
|
|
} break;
|
|
case 'P': {
|
|
|
|
do_pan_slide(p_track);
|
|
} break;
|
|
case 'Q': {
|
|
do_retrig(p_track);
|
|
|
|
} break;
|
|
case 'R': {
|
|
|
|
uint8_t dat;
|
|
|
|
if (control.channel[p_track].current_parameter) {
|
|
|
|
control.channel[p_track].tremolo_info = control.channel[p_track].current_parameter;
|
|
}
|
|
|
|
dat = control.channel[p_track].tremolo_info;
|
|
|
|
if (!control.ticks_counter && dat) {
|
|
|
|
if (dat & 0x0f) control.channel[p_track].tremolo_depth = dat & 0xf;
|
|
if (dat & 0xf0) control.channel[p_track].tremolo_speed = (dat & 0xf0) >> 2;
|
|
}
|
|
|
|
do_tremolo(p_track);
|
|
control.channel[p_track].has_own_volume = true;
|
|
|
|
} break;
|
|
case 'S': {
|
|
|
|
do_effect_S(p_track);
|
|
} break;
|
|
case 'T': {
|
|
uint8_t dat;
|
|
int16_t temp = control.tempo;
|
|
|
|
if (control.pattern_delay_2) return;
|
|
|
|
if (control.channel[p_track].current_parameter) {
|
|
|
|
control.channel[p_track].tempo_slide_info = control.channel[p_track].current_parameter;
|
|
}
|
|
|
|
dat = control.channel[p_track].tempo_slide_info;
|
|
|
|
if (dat >= 0x20) {
|
|
|
|
if (control.ticks_counter) break;
|
|
control.tempo = dat;
|
|
} else {
|
|
|
|
if (!control.ticks_counter) break;
|
|
|
|
if (dat & 0x10) {
|
|
|
|
temp += (dat & 0x0f);
|
|
} else {
|
|
|
|
temp -= dat;
|
|
}
|
|
control.tempo = (temp > 255) ? 255 : (temp < 0x20 ? 0x20 : temp);
|
|
}
|
|
|
|
} break;
|
|
case 'U': {
|
|
|
|
uint8_t dat;
|
|
|
|
dat = control.channel[p_track].current_parameter;
|
|
control.channel[p_track].doing_vibrato = true;
|
|
if (!control.ticks_counter) {
|
|
if (dat & 0x0f) control.channel[p_track].vibrato_depth = dat & 0xf;
|
|
if (dat & 0xf0) control.channel[p_track].vibrato_speed = (dat & 0xf0) >> 2;
|
|
}
|
|
|
|
if (control.external_vibrato) break;
|
|
|
|
if (control.channel[p_track].period) {
|
|
|
|
do_vibrato(p_track, true);
|
|
control.channel[p_track].has_own_period = true;
|
|
}
|
|
} break;
|
|
case 'V': {
|
|
|
|
control.global_volume = control.channel[p_track].current_parameter;
|
|
if (control.global_volume > 128) control.global_volume = 128;
|
|
} break;
|
|
case 'W': {
|
|
do_global_volume_slide(p_track);
|
|
} break;
|
|
case 'X': {
|
|
//sets both channel and current
|
|
control.channel[p_track].channel_panning = control.channel[p_track].current_parameter;
|
|
control.channel[p_track].panning = control.channel[p_track].current_parameter;
|
|
} break;
|
|
case 'Y': {
|
|
|
|
uint8_t dat;
|
|
|
|
if (control.channel[p_track].current_parameter) {
|
|
|
|
control.channel[p_track].panbrello_info = control.channel[p_track].current_parameter;
|
|
}
|
|
|
|
dat = control.channel[p_track].panbrello_info;
|
|
|
|
if (!control.ticks_counter) {
|
|
|
|
if (dat & 0x0f) control.channel[p_track].panbrello_depth = (dat & 0xf);
|
|
if (dat & 0xf0) control.channel[p_track].panbrello_speed = (dat & 0xf0) >> 4;
|
|
}
|
|
|
|
//if (pf->panflag)
|
|
if (control.channel[p_track].panning != PAN_SURROUND) do_panbrello(p_track);
|
|
|
|
} break;
|
|
case 'Z': {
|
|
//I DO! cuttoff!
|
|
uint16_t dat = control.channel[p_track].current_parameter;
|
|
|
|
if (dat < 0x80) {
|
|
|
|
control.channel[p_track].filter.it_cutoff = dat * 2;
|
|
if (control.channel[p_track].filter.it_cutoff > 0x80)
|
|
control.channel[p_track].filter.it_cutoff++;
|
|
} else if (dat < 0x90) {
|
|
|
|
control.channel[p_track].filter.it_reso = (dat - 0x80) * 0x10;
|
|
} else {
|
|
|
|
control.channel[p_track].reverb_send = (dat - 0x90) * 255 / 0x6F;
|
|
}
|
|
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void CPPlayer::pre_process_effects() {
|
|
|
|
// MP_VOICE *aout;
|
|
int i;
|
|
|
|
for (i = 0; i < CPPattern::WIDTH; i++) {
|
|
|
|
//a=&pf->control[mp_channel];
|
|
|
|
// if ((aout=a->slave)) {
|
|
// a->fadevol=aout->fadevol;
|
|
// a->period=aout->period;
|
|
// if (a->kick==KICK_KEYOFF) a->keyoff=aout->keyoff;
|
|
//}
|
|
|
|
//if (!a->row) continue;
|
|
//UniSetRow(a->row);
|
|
control.channel[i].has_own_period = false;
|
|
control.channel[i].has_own_volume = false;
|
|
control.channel[i].doing_vibrato = false;
|
|
//explicitslides=0;
|
|
//pt_playeffects();
|
|
if (control.ticks_counter < control.speed) {
|
|
|
|
run_effects(i);
|
|
run_volume_column_effects(i);
|
|
}
|
|
|
|
/* continue volume slide if necessary for XM and IT */
|
|
//if (pf->flags&UF_BGSLIDES) {
|
|
// if (!explicitslides && a->sliding)
|
|
// DoS3MVolSlide(0);
|
|
// else if (a->tmpvolume) a->sliding=explicitslides;
|
|
//}
|
|
|
|
if (!control.channel[i].has_own_period) control.channel[i].period = control.channel[i].aux_period;
|
|
if (!control.channel[i].has_own_volume) control.channel[i].volume = control.channel[i].aux_volume;
|
|
|
|
if ((control.channel[i].sample_ptr != NULL) && !(song->has_instruments() && (control.channel[i].instrument_ptr == NULL))) {
|
|
|
|
if (song->has_instruments()) {
|
|
|
|
control.channel[i].output_volume =
|
|
(control.channel[i].volume * control.channel[i].sample_ptr->get_global_volume() * control.channel[i].instrument_ptr->get_volume_global_amount()) / 2048;
|
|
control.channel[i].output_volume = control.channel[i].output_volume * control.channel[i].random_volume_variation / 100;
|
|
|
|
} else {
|
|
|
|
control.channel[i].output_volume =
|
|
(control.channel[i].volume * control.channel[i].sample_ptr->get_global_volume()) >> 4;
|
|
}
|
|
|
|
if (control.channel[i].output_volume > 256) {
|
|
|
|
control.channel[i].output_volume = 256;
|
|
|
|
} else if (control.channel[i].output_volume < 0) {
|
|
|
|
control.channel[i].output_volume = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|