Merge branchesHEADsvn2git-headmaster

- abstractions/tb
- externals/tb

1 files changed, 54 insertions, 0 deletions

diff --git a/sc4pd/headers/plugin_interface/SC_DemandUnit.h b/sc4pd/headers/plugin_interface/SC_DemandUnit.h
new file mode 100644
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+++ b/sc4pd/headers/plugin_interface/SC_DemandUnit.h
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+/*
+	SuperCollider real time audio synthesis system
+    Copyright (c) 2002 James McCartney. All rights reserved.
+	http://www.audiosynth.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef _SC_DemandUnit_
+#define _SC_DemandUnit_
+
+#include "SC_Unit.h"
+#include "SC_Wire.h"
+
+// demand rate unit support.
+
+inline bool IsDemandInput(Unit* unit, int index)
+{
+	Unit* fromUnit = unit->mInput[index]->mFromUnit;
+	return fromUnit && fromUnit->mCalcRate == calc_DemandRate;
+}
+
+inline float DemandInput(Unit* unit, int index)
+{
+	Unit* fromUnit = unit->mInput[index]->mFromUnit;
+	if (fromUnit && fromUnit->mCalcRate == calc_DemandRate)
+		(fromUnit->mCalcFunc)(fromUnit, 1);
+	return IN0(index);
+}
+
+inline void ResetInput(Unit* unit, int index)
+{
+	Unit* fromUnit = unit->mInput[index]->mFromUnit;
+	if (fromUnit && fromUnit->mCalcRate == calc_DemandRate)
+		(fromUnit->mCalcFunc)(fromUnit, 0);
+}
+
+#define ISDEMANDINPUT(index) IsDemandInput(unit, (index))
+#define DEMANDINPUT(index) DemandInput(unit, (index))
+#define RESETINPUT(index) ResetInput(unit, (index))
+
+#endif