1 /* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
2  * Copyright (C) 2011-2016 Dean Beeler, Jerome Fisher, Sergey V. Mikayev
3  *
4  *  This program is free software: you can redistribute it and/or modify
5  *  it under the terms of the GNU Lesser General Public License as published by
6  *  the Free Software Foundation, either version 2.1 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU Lesser General Public License for more details.
13  *
14  *  You should have received a copy of the GNU Lesser General Public License
15  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef MT32EMU_POLY_H
19 #define MT32EMU_POLY_H
20 
21 #include "globals.h"
22 #include "internals.h"
23 
24 namespace MT32Emu {
25 
26 class Part;
27 class Partial;
28 struct PatchCache;
29 
30 class Poly {
31 private:
32 	Part *part;
33 	unsigned int key;
34 	unsigned int velocity;
35 	unsigned int activePartialCount;
36 	bool sustain;
37 
38 	PolyState state;
39 
40 	Partial *partials[4];
41 
42 	Poly *next;
43 
44 public:
45 	Poly();
46 	void setPart(Part *usePart);
47 	void reset(unsigned int key, unsigned int velocity, bool sustain, Partial **partials);
48 	bool noteOff(bool pedalHeld);
49 	bool stopPedalHold();
50 	bool startDecay();
51 	bool startAbort();
52 
53 	void backupCacheToPartials(PatchCache cache[4]);
54 
55 	unsigned int getKey() const;
56 	unsigned int getVelocity() const;
57 	bool canSustain() const;
58 	PolyState getState() const;
59 	unsigned int getActivePartialCount() const;
60 	bool isActive() const;
61 
62 	void partialDeactivated(Partial *partial);
63 
64 	Poly *getNext() const;
65 	void setNext(Poly *poly);
66 }; // class Poly
67 
68 } // namespace MT32Emu
69 
70 #endif // #ifndef MT32EMU_POLY_H
71