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diff --git a/backends/midi/mt32/part.h b/backends/midi/mt32/part.h
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+++ b/backends/midi/mt32/part.h
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+/* Copyright (c) 2003-2004 Various contributors
+ *
+ * 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 MT32EMU_PART_H
+#define MT32EMU_PART_H
+
+#define AMPENV 0
+#define FILTENV 1
+#define PITCHENV 2
+
+#define MAXPOLY 64
+
+namespace MT32Emu {
+
+class PartialManager;
+class Synth;
+
+class Part {
+private:
+	Synth *synth; // Only used for sending debug output
+
+	// Pointers to the areas of the MT-32's memory dedicated to this part (for parts 1-8)
+	MemParams::PatchTemp *patchTemp;
+	TimbreParam *timbreTemp;
+	//... and for rhythm
+	MemParams::RhythmTemp *rhythmTemp;
+
+	bool isRhythm;
+	bool init;
+	int partNum;
+
+	char name[8]; // "Part 1".."Part 8", "Rhythm"
+	char currentInstr[11];
+
+	bool holdpedal;
+
+	volset volumesetting;
+
+	PatchCache patchCache[4];
+
+	Bit32u bend;
+	Bit32s volume;
+
+	dpoly polyTable[MAXPOLY];
+
+	void AbortPoly(dpoly *poly);
+
+public:
+	Part(Synth *synth, int usePartNum);
+	char *getName();
+	void PlayNote(PartialManager *partialManager, int f, int vel);
+	void StopNote(int f);
+	void AllStop();
+	void SetVolume(int vol);
+	void SetPan(int vol);
+	void SetBend(int vol);
+	void SetModulation(int vol);
+	void SetPatch(int patchnum);
+	void SetHoldPedal(bool pedalval);
+	void StopPedalHold();
+	void RefreshPatch();
+	void RefreshDrumCache();
+	void setPatch(PatchParam *patch);
+	void setTimbre(TimbreParam *timbre);
+	unsigned int getAbsTimbreNum();
+
+	int FixKeyfollow(int srckey, int *dir);
+	int FixBiaslevel(int srcpnt, int *dir);
+};
+
+}
+#endif