GODOT IS OPEN SOURCE

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diff --git a/drivers/chibi/cp_song.h b/drivers/chibi/cp_song.h
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+++ b/drivers/chibi/cp_song.h
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+/*************************************************************************/
+/*  cp_song.h                                                            */
+/*************************************************************************/
+/*                       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.                */
+/*************************************************************************/
+#ifndef CPSONG_H
+#define CPSONG_H
+
+
+/**CPSong Class
+  *@author Juan Linietsky
+  */
+
+#include "cp_order.h"
+#include "cp_pattern.h"
+#include "cp_sample.h"
+#include "cp_instrument.h"
+
+class CPSong {
+public:
+	enum {
+		MAX_SONG_NAME=26,
+		MAX_ORDERS=200,
+		MAX_PATTERNS=200,
+		MAX_SAMPLES=99,
+		MAX_INSTRUMENTS=99,
+				
+		CHANNEL_MAX_PAN=64,
+		CHANNEL_MAX_VOLUME=64,
+		CHANNEL_MAX_CHORUS=64,
+		CHANNEL_MAX_REVERB=64,
+				
+		MIN_TEMPO=31,
+		MAX_TEMPO=255,
+		MIN_SPEED=1,
+		MAX_SPEED=255,
+		MAX_MESSAGE_LEN=8000,
+		
+				
+		
+	};
+	
+	enum ReverbMode {
+		REVERB_MODE_ROOM,
+		REVERB_MODE_STUDIO_SMALL,
+		REVERB_MODE_STUDIO_MEDIUM,
+		REVERB_MODE_STUDIO_LARGE,
+		REVERB_MODE_HALL,
+		REVERB_MODE_SPACE_ECHO,
+		REVERB_MODE_ECHO,
+		REVERB_MODE_DELAY,
+		REVERB_MODE_HALF_ECHO
+	};
+	
+private:
+	CPOrder order[MAX_ORDERS];
+	CPPattern pattern[MAX_PATTERNS];
+	CPSample sample[MAX_SAMPLES];
+ 	CPInstrument instrument[MAX_INSTRUMENTS];
+
+
+	
+	struct Song_Variables { // variables that wont change in playback
+
+		char name[MAX_SONG_NAME];
+		char message[MAX_MESSAGE_LEN];
+		/* string message; */
+
+		int row_highlight_minor;
+		int row_highlight_major;
+
+		int mixing_volume;
+		int stereo_separation;
+
+		bool use_stereo;
+		bool use_instruments;
+		bool use_linear_slides;
+
+		bool old_effects;
+		bool compatible_gxx;
+
+	} variables;
+
+	struct Initial_Variables { // Initial values used for playback
+
+        	struct Channel_State {
+
+			int pan,volume; // 0-- CHANNEL_MAX_PAN, CHANNEL_MAX_VOLUME
+			bool surround;
+			bool mute;
+			int chorus; //0 - 64
+			int reverb; //0 - 64
+		};
+	
+		int global_volume;
+		int speed;
+		int tempo;
+
+		Channel_State channel[CPPattern::WIDTH];
+	} initial_variables;
+	
+	struct Effects {
+		
+		ReverbMode reverb_mode;
+		
+		struct Chorus {
+			
+			int delay_ms;
+			int separation_ms;
+			int depth_ms10;
+			int speed_hz10;
+		} chorus;
+		
+	} effects;
+
+public:
+
+	/* Properties */
+	     
+	const char *get_name();
+	void set_name(const char *p_name);
+
+	const char *get_message();
+	void set_message(const char *p_message);
+	
+	void set_row_highlight_minor(int p_hl_minor); /* 0 .. 256 */
+	int get_row_highlight_minor(); /* 0 .. 256 */
+
+	void set_row_highlight_major(int p_hl_major); /* 0 .. 256 */
+	int get_row_highlight_major(); /* 0 .. 256 */
+
+	void set_mixing_volume(int p_mix_volume); /* 0 .. 128 */
+	int get_mixing_volume(); /* 0 .. 128 */
+
+	void set_global_volume(int p_global_volume); /* 0 .. 128 */
+	int get_global_volume(); /* 0 .. 128 */
+	
+	void set_stereo_separation(int p_separation); /* 0 .. 128 */
+	int get_stereo_separation(); /* 0 .. 128 */
+	
+	void set_stereo(bool p_stereo);
+	bool is_stereo();
+
+	void set_instruments(bool p_instruments);
+	bool has_instruments();
+		
+	void set_linear_slides(bool p_linear_slides);
+	bool has_linear_slides();
+
+	void set_old_effects(bool p_old_effects);
+	bool has_old_effects();
+
+	void set_compatible_gxx(bool p_compatible_gxx);
+	bool has_compatible_gxx();
+
+	void set_speed(int p_speed); /* 1 .. 255 */
+	int get_speed(); /* 1 .. 255 */
+
+	void set_tempo(int p_tempo); /* 31 .. 255 */
+	int get_tempo(); /* 31 .. 255 */
+
+	void set_channel_pan(int p_channel,int p_pan); /* 0 .. 64 */
+	int get_channel_pan(int p_channel);
+	
+	void set_channel_volume(int p_channel,int p_volume); /* 0 .. 64 */
+	int get_channel_volume(int p_channel);
+
+	void set_channel_surround(int p_channel,bool p_surround);
+	bool is_channel_surround(int p_channel);
+
+	void set_channel_mute(int p_channel,bool p_mute);
+	bool is_channel_mute(int p_channel);
+		
+	void set_channel_chorus(int p_channel,int p_chorus); /* 0 .. 64 */
+	int get_channel_chorus(int p_channel);
+	
+	void set_channel_reverb(int p_channel,int p_reverb); /* 0 .. 64 */
+	int get_channel_reverb(int p_channel);
+	
+	/* arrays of stuff */
+
+	CPPattern* get_pattern(int p_pattern);
+	CPSample* get_sample(int p_sample);
+	CPInstrument* get_instrument(int p_instrument);
+
+	int get_order(int p_position);
+	void set_order(int p_position,int p_order);
+
+	
+	/* Effects */
+	
+	ReverbMode get_reverb_mode();
+	void set_reverb_mode(ReverbMode p_mode);
+	
+	void set_chorus_delay_ms(int p_amount);
+	void set_chorus_separation_ms(int p_amount);
+	void set_chorus_depth_ms10(int p_amount);
+	void set_chorus_speed_hz10(int p_amount);
+	
+	int get_chorus_delay_ms();
+	int get_chorus_separation_ms();
+	int get_chorus_depth_ms10();
+	int get_chorus_speed_hz10();
+	
+	/* utils */	
+
+        void reset(bool p_clear_patterns=true,bool p_clear_samples=true,bool p_clear_instruments=true,bool p_clear_variables=true);
+
+	void cleanup_unused_patterns();
+	void cleanup_unused_instruments();
+	void cleanup_unused_samples();
+	void cleanup_unused_orders();
+	void clear_all_default_pan();
+	void clear_all_default_vol();
+	
+	void clear_instrument_with_samples(int p_instrument);
+	
+	void make_instruments_from_samples();
+	void make_instrument_from_sample(int p_sample);
+
+	void separate_in_one_sample_instruments(int p_instrument);
+
+	int get_order_in_use_count();
+	int get_pattern_in_use_count();
+	int get_instrument_in_use_count();
+	int get_channels_in_use();
+
+	CPSong();
+	~CPSong();
+
+};
+
+
+/* Some helper for something used a lot */
+
+int get_song_next_order_idx(CPSong *p_song, int p_order_idx);
+
+#endif