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122 lines
2.5 KiB
122 lines
2.5 KiB
/*
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* Copyright 2013 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __CONTROLLERS_H
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#define __CONTROLLERS_H
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#include "synth.h"
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#include <stdio.h>
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#include <string.h>
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#include "trace.h"
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#ifdef _WIN32
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#define snprintf _snprintf
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#endif
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// State of MIDI controllers
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const int kControllerPitch = 0;
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const int kControllerPitchRange = 1;
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const int kControllerPitchStep = 2;
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class FmCore;
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struct FmMod {
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uint8_t range;
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bool pitch;
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bool amp;
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bool eg;
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FmMod() {
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range = 0;
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pitch = false;
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amp = false;
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eg = false;
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}
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void setRange(uint8_t r) {
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range = r < 0 && r > 127 ? 0 : r;
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}
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void setTarget(uint8_t assign) {
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assign=assign < 0 && assign > 7 ? 0 : assign;
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if(assign&1) // AMP
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pitch=true;
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if(assign&2) // PITCH
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amp=true;
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if(assign&4) // EG
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eg=true;
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}
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};
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class Controllers {
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void applyMod(int cc, FmMod &mod) {
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float range = 0.01 * mod.range;
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uint8_t total = cc * range;
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if(mod.amp)
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amp_mod = max(amp_mod, total);
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if(mod.pitch)
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pitch_mod = max(pitch_mod, total);
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if(mod.eg)
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eg_mod = max(eg_mod, total);
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}
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public:
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int32_t values_[3];
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uint8_t amp_mod;
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uint8_t pitch_mod;
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uint8_t eg_mod;
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uint8_t aftertouch_cc;
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uint8_t breath_cc;
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uint8_t foot_cc;
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uint8_t modwheel_cc;
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int masterTune;
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uint8_t opSwitch;
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FmMod wheel;
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FmMod foot;
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FmMod breath;
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FmMod at;
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Controllers() {
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amp_mod = 0;
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pitch_mod = 0;
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eg_mod = 0;
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}
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void refresh() {
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amp_mod=pitch_mod=eg_mod=0;
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applyMod(modwheel_cc, wheel);
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applyMod(breath_cc, breath);
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applyMod(foot_cc, foot);
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applyMod(aftertouch_cc, at);
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if ( ! ((wheel.eg || foot.eg) || (breath.eg || at.eg)) )
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eg_mod = 127;
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TRACE("amp_mod %d pitch_mod %d", amp_mod, pitch_mod);
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}
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FmCore *core;
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};
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#endif // __CONTROLLERS_H
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