130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
/*************************************************************************/
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/* cp_envelope.h */
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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) 2007-2014 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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#ifndef CP_ENVELOPE_H
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#define CP_ENVELOPE_H
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#include "cp_config.h"
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/**envelope?
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*@author Juan Linietsky
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*/
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/******************************
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envelope.h
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----------
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Proovides an envelope, and basic functions
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for it that can be used for both player
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and interface
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********************************/
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class CPEnvelope {
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enum {
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MAX_POINTS=25
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};
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struct Point {
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uint16_t tick_offset;
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int16_t value;
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};
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Point node[MAX_POINTS];
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int8_t node_count;
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bool on;
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bool carry;
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bool loop_on;
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uint8_t loop_begin_node;
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uint8_t loop_end_node;
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bool sustain_loop_on;
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uint8_t sustain_loop_begin_node;
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uint8_t sustain_loop_end_node;
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int8_t max_value;
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int8_t min_value;
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public:
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enum {
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NO_POINT=-5000,
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};
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void set_max(int8_t p_max) { max_value=p_max; }
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int8_t get_max() { return max_value; }
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void set_min(int8_t p_min) { min_value=p_min; }
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int8_t get_min() { return min_value; }
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uint8_t get_node_count();
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const Point& get_node(int p_idx);
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void set_position(int p_node,int p_x,int p_y);
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int add_position(int p_x,int p_y,bool p_move_loops=true);
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void del_position(int p_node);
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void set_loop_enabled(bool p_enabled);
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bool is_loop_enabled();
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void set_loop_begin(int pos);
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void set_loop_end(int pos);
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uint8_t get_loop_begin();
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uint8_t get_loop_end();
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void set_sustain_loop_enabled(bool p_enabled);
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bool is_sustain_loop_enabled();
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void set_sustain_loop_begin(int pos);
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void set_sustain_loop_end(int pos);
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uint8_t get_sustain_loop_begin();
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uint8_t get_sustain_loop_end();
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void set_enabled(bool p_enabled);
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bool is_enabled();
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void set_carry_enabled(bool p_enabled);
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bool is_carry_enabled();
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void reset();
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int get_height_at_pos(int pos);
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float get_interp_height_at_pos(float pos);
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CPEnvelope();
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};
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#endif
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