That year should bring the long-awaited OpenGL ES 3.0 compatible renderer with state-of-the-art rendering techniques tuned to work as low as middle end handheld devices - without compromising with the possibilities given for higher end desktop games of course. Great times ahead for the Godot community and the gamers that will play our games!
369 lines
7.8 KiB
C++
369 lines
7.8 KiB
C++
/*************************************************************************/
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/* cp_envelope.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) 2007-2017 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_envelope.h"
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CPEnvelope::CPEnvelope() {
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reset();
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}
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void CPEnvelope::reset() {
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on=false;
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carry=false;
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loop_on=false;
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loop_begin_node=0;
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loop_end_node=0;
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sustain_loop_on=false;
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sustain_loop_begin_node=0;
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sustain_loop_end_node=0;
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node_count=0;
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}
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int CPEnvelope::get_height_at_pos(int pos) {
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if (node_count && pos>node[node_count-1].tick_offset)
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return node[node_count-1].value;
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int begin_x,begin_y;
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int end_x,end_y,xdif;
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int count=0;
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int limit=-1;
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if (node_count<2) return NO_POINT;
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while ((count<node_count) && (limit==-1)) {
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if (node[count].tick_offset>=pos) limit=count;
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count++;
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}
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if (pos==0) return node[0].value;
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if (limit==-1) return NO_POINT;
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begin_x=node[limit-1].tick_offset;
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end_x=node[limit].tick_offset;
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begin_y=node[limit-1].value;
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end_y=node[limit].value;
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xdif=end_x-begin_x;
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return begin_y+((pos-begin_x)*(end_y-begin_y))/(xdif?xdif:1);
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}
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/*
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int CPEnvelope::get_fx_height_at_pos(int pos) {
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if (node_count && pos>node[node_count-1].tick_offset)
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return node[node_count-1].value<<FX_HEIGHT_BITS;
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int begin_x,begin_y;
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int end_x,end_y,xdif;
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int count=0;
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int limit=-1;
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if (node_count<2) return NO_POINT;
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while ((count<node_count) && (limit==-1)) {
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if (node[count].tick_offset>=pos) limit=count;
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count++;
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}
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if (pos==0) return node[0].value<<FX_HEIGHT_BITS;
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if (limit==-1) return NO_POINT;
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begin_x=node[limit-1].tick_offset;
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end_x=node[limit].tick_offset;
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begin_y=node[limit-1].value;
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end_y=node[limit].value;
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xdif=end_x-begin_x;
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return (begin_y<<FX_HEIGHT_BITS)+((pos-begin_x)*(end_y-begin_y)*(int)(1<<FX_HEIGHT_BITS))/(xdif?xdif:1);
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}
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*/
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float CPEnvelope::get_interp_height_at_pos(float pos) {
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if (node_count && pos>node[node_count-1].tick_offset)
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return node[node_count-1].value;
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int begin_x,begin_y;
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int end_x,end_y,xdif;
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int count=0;
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int limit=-1;
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if (node_count<2) return NO_POINT;
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while ((count<node_count) && (limit==-1)) {
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if (node[count].tick_offset>=pos) limit=count;
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count++;
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}
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if (pos==0) return node[0].value;
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if (limit==-1) return NO_POINT;
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begin_x=node[limit-1].tick_offset;
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end_x=node[limit].tick_offset;
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begin_y=node[limit-1].value;
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end_y=node[limit].value;
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xdif=end_x-begin_x;
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return begin_y+((pos-begin_x)*(end_y-begin_y))/(xdif?xdif:1);
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}
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void CPEnvelope::set_position(int p_node,int p_x,int p_y) {
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if (p_node>=node_count) return;
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if (p_node==0) {
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p_x=0;
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} else if (p_x<=node[p_node-1].tick_offset) {
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p_x=node[p_node-1].tick_offset+1;
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} else if ((p_node<(node_count-1)) && (p_x>=node[p_node+1].tick_offset)) {
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p_x=node[p_node+1].tick_offset-1;
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}
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if (p_x>=9999) p_x=9999;
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if (p_y>max_value) p_y=max_value;
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if (p_y<min_value) p_y=min_value;
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node[p_node].tick_offset=p_x;
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node[p_node].value=p_y;
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}
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int CPEnvelope::add_position(int p_x,int p_y,bool p_move_loops) {
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if (node_count==MAX_POINTS) return -1;
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int i,new_node;
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// if this is assigning an existing node, let's quit.
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for (i=0;i<node_count;i++) if (p_x==node[i].tick_offset) return -1;
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i=0;
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while ((i<node_count) && (p_x>=node[i].tick_offset)) i++;
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new_node=i;
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node_count++;
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if (p_move_loops) {
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if (loop_begin_node>=new_node) loop_begin_node++;
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if (loop_end_node>=new_node) loop_end_node++;
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if (sustain_loop_begin_node>=new_node) sustain_loop_begin_node++;
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if (sustain_loop_end_node>=new_node) sustain_loop_end_node++;
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}
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for (i=node_count-1;i>new_node;i--) node[i]=node[i-1];
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set_position(new_node,p_x,p_y);
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return new_node;
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}
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void CPEnvelope::set_loop_begin(int pos) {
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if ((pos<0) || (pos>=node_count)) return;
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loop_begin_node=pos;
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if (loop_end_node<loop_begin_node) loop_end_node=loop_begin_node;
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}
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void CPEnvelope::set_loop_end(int pos) {
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if ((pos<0) || (pos>=node_count)) return;
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loop_end_node=pos;
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if (loop_end_node<loop_begin_node) loop_begin_node=loop_end_node;
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}
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void CPEnvelope::set_sustain_loop_begin(int pos) {
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if ((pos<0) || (pos>=node_count)) return;
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sustain_loop_begin_node=pos;
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if (sustain_loop_end_node<sustain_loop_begin_node) sustain_loop_end_node=sustain_loop_begin_node;
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}
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void CPEnvelope::set_sustain_loop_end(int pos) {
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if ((pos<0) || (pos>=node_count)) return;
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sustain_loop_end_node=pos;
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if (sustain_loop_end_node<sustain_loop_begin_node) sustain_loop_begin_node=sustain_loop_end_node;
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}
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void CPEnvelope::set_loop_enabled(bool p_enabled) {
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loop_on=p_enabled;
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}
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bool CPEnvelope::is_loop_enabled() {
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return loop_on;
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}
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void CPEnvelope::set_sustain_loop_enabled(bool p_enabled) {
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sustain_loop_on=p_enabled;
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}
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bool CPEnvelope::is_sustain_loop_enabled() {
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return sustain_loop_on;
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}
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void CPEnvelope::del_position(int p_node) {
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if ((node_count<3) || (p_node<=0) || (p_node>=node_count)) return;
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int i;
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if (loop_begin_node>=p_node) loop_begin_node--;
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if (loop_end_node>=p_node) loop_end_node--;
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if (sustain_loop_begin_node>=p_node) sustain_loop_begin_node--;
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if (sustain_loop_end_node>=p_node) sustain_loop_end_node--;
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for (i=p_node;i<node_count-1;i++) node[i]=node[i+1];
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node_count--;
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}
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uint8_t CPEnvelope::get_loop_begin() {
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return loop_begin_node;
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}
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uint8_t CPEnvelope::get_loop_end() {
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return loop_end_node;
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}
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uint8_t CPEnvelope::get_sustain_loop_begin() {
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return sustain_loop_begin_node;
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}
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uint8_t CPEnvelope::get_sustain_loop_end() {
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return sustain_loop_end_node;
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}
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void CPEnvelope::set_enabled(bool p_enabled) {
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on=p_enabled;
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}
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bool CPEnvelope::is_enabled() {
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return on;
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}
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void CPEnvelope::set_carry_enabled(bool p_enabled) {
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carry=p_enabled;
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}
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bool CPEnvelope::is_carry_enabled() {
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return carry;
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}
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uint8_t CPEnvelope::get_node_count() {
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return node_count;
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}
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const CPEnvelope::Point& CPEnvelope::get_node(int p_idx) {
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if (p_idx<0 || p_idx>=node_count)
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return node[node_count-1];
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return node[p_idx];
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}
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