90 lines
3.9 KiB
C++
90 lines
3.9 KiB
C++
/*************************************************************************/
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/* cp_player_data_envelopes.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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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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void CPPlayer::Voice_Control::start_envelope(CPEnvelope *p_envelope,Envelope_Control *p_envelope_ctrl,Envelope_Control *p_from_env) {
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if (p_from_env && p_envelope->is_carry_enabled() && !p_from_env->terminated) {
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*p_envelope_ctrl=*p_from_env;
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} else {
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p_envelope_ctrl->pos_index=0;
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p_envelope_ctrl->status=1;
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p_envelope_ctrl->sustain_looping=p_envelope->is_sustain_loop_enabled();
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p_envelope_ctrl->looping=p_envelope->is_loop_enabled();
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p_envelope_ctrl->terminated=false;
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p_envelope_ctrl->kill=false;
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p_envelope_ctrl->value=p_envelope->get_height_at_pos(p_envelope_ctrl->pos_index);
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}
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}
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bool CPPlayer::Voice_Control::process_envelope(CPEnvelope *p_envelope,Envelope_Control *p_envelope_ctrl) {
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if (!p_envelope_ctrl->active)
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return false;
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if (note_end_flags&END_NOTE_OFF) p_envelope_ctrl->sustain_looping=false;
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p_envelope_ctrl->value=p_envelope->get_height_at_pos(p_envelope_ctrl->pos_index);
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if (p_envelope_ctrl->value==CPEnvelope::NO_POINT)
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return false;
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p_envelope_ctrl->pos_index++;
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if (p_envelope_ctrl->sustain_looping) {
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if (p_envelope_ctrl->pos_index>p_envelope->get_node(p_envelope->get_sustain_loop_end()).tick_offset) {
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p_envelope_ctrl->pos_index=p_envelope->get_node(p_envelope->get_sustain_loop_begin()).tick_offset;
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}
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} else if (p_envelope_ctrl->looping) {
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if (p_envelope_ctrl->pos_index>p_envelope->get_node(p_envelope->get_loop_end()).tick_offset) {
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p_envelope_ctrl->pos_index=p_envelope->get_node(p_envelope->get_loop_begin()).tick_offset;
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}
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}
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if (p_envelope_ctrl->pos_index>p_envelope->get_node(p_envelope->get_node_count()-1).tick_offset) {
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p_envelope_ctrl->terminated=true;
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p_envelope_ctrl->pos_index=p_envelope->get_node(p_envelope->get_node_count()-1).tick_offset;
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if (p_envelope->get_node(p_envelope->get_node_count()-1).value==0) p_envelope_ctrl->kill=true;
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}
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return true;
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}
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