param_manager.h

/*
 * Copyright © 2016-2023 Synthstrom Audible Limited
 *
 * This file is part of The Synthstrom Audible Deluge Firmware.
 *
 * The Synthstrom Audible Deluge Firmware 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 3 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, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "definitions_cxx.hpp"
#include "modulation/params/param_collection_summary.h"
#include <cstdint>
 
class Song;
class Sound;
class ParamSet;
class InstrumentClip;
class Action;
class ParamCollection;
class TimelineCounter;
class Output;
class ModelStackWithAutoParam;
class ModelStackWithThreeMainThings;
class ModelStackWithParamCollection;
class ExpressionParamSet;
class PatchCableSet;
class MIDIParamCollection;
class PatchedParamSet;
class UnpatchedParamSet;
class ParamManagerForTimeline;
class ParamCollectionSummary;
 
#define PARAM_COLLECTIONS_STORAGE_NUM 5
 
class ParamManager {
public:
    ParamManager();
    ~ParamManager();
 
    // Not including MPE params
    inline bool containsAnyMainParamCollections() { return expressionParamSetOffset; }
 
    inline bool containsAnyParamCollectionsIncludingExpression() { return summaries[0].paramCollection; }
 
    Error setupWithPatching();
    Error setupUnpatched();
    Error setupMIDI();
 
    void stealParamCollectionsFrom(ParamManager* other, bool stealExpressionParams = false);
    Error cloneParamCollectionsFrom(ParamManager const* other, bool copyAutomation, bool cloneExpressionParams = false,
                                    int32_t reverseDirectionWithLength = 0);
    Error beenCloned(int32_t reverseDirectionWithLength = 0); // Will clone Collections
    void forgetParamCollections();
    void destructAndForgetParamCollections();
    void destructAndForgetMainParamCollections(); // Retains expression params, like forgetParamCollections()
    bool ensureExpressionParamSetExists(bool forDrum = false);
 
    inline int32_t getExpressionParamSetOffset() { return expressionParamSetOffset; }
 
    ExpressionParamSet* getOrCreateExpressionParamSet(bool forDrum = false); // Will return NULL if can't create
 
    inline ParamCollectionSummary* getExpressionParamSetSummary() { // Will return one containing NULL if didn't exist
        return &summaries[getExpressionParamSetOffset()];
    }
 
    inline ExpressionParamSet* getExpressionParamSet() { // Will return NULL if didn't exist
        return (ExpressionParamSet*)getExpressionParamSetSummary()->paramCollection;
    }
 
    inline MIDIParamCollection* getMIDIParamCollection() {
        if (!summaries[0].paramCollection) {
            FREEZE_WITH_ERROR("E409");
        }
        return (MIDIParamCollection*)summaries[0].paramCollection;
    }
 
    inline ParamCollectionSummary* getMIDIParamCollectionSummary() {
        if (!summaries[0].paramCollection) {
            FREEZE_WITH_ERROR("E409");
        }
        return &summaries[0];
    }
 
    inline UnpatchedParamSet* getUnpatchedParamSet() {
        if (!summaries[0].paramCollection) {
            FREEZE_WITH_ERROR("E410");
        }
        return (UnpatchedParamSet*)summaries[0].paramCollection;
    }
 
    inline ParamCollectionSummary* getUnpatchedParamSetSummary() {
        if (!summaries[0].paramCollection) {
            FREEZE_WITH_ERROR("E410");
        }
        return &summaries[0];
    }
 
    inline PatchedParamSet* getPatchedParamSet() {
        if (!summaries[1].paramCollection) {
            FREEZE_WITH_ERROR("E411");
        }
        return (PatchedParamSet*)summaries[1].paramCollection;
    }
 
    inline ParamCollectionSummary* getPatchedParamSetSummary() {
        if (!summaries[1].paramCollection) {
            FREEZE_WITH_ERROR("E411");
        }
        return &summaries[1];
    }
 
    inline ParamCollectionSummary* getPatchCableSetSummary() {
        if (!summaries[2].paramCollection) {
            FREEZE_WITH_ERROR("E412");
        }
        return &summaries[2];
    }
 
    inline PatchCableSet* getPatchCableSet() {
        if (!summaries[2].paramCollection) {
            FREEZE_WITH_ERROR("E412");
        }
        return (PatchCableSet*)summaries[2].paramCollection;
    }
 
    ModelStackWithParamCollection* getPatchCableSet(ModelStackWithThreeMainThings const* modelStack);
 
    inline PatchCableSet* getPatchCableSetAllowJibberish() { // Don't ask.
        return (PatchCableSet*)summaries[2].paramCollection;
    }
 
    void notifyParamModifiedInSomeWay(ModelStackWithAutoParam const* modelStack, int32_t currentValueChanged,
                                      bool automationChanged, bool paramAutomatedNow);
 
    virtual ParamManagerForTimeline* toForTimeline();
 
    bool resonanceBackwardsCompatibilityProcessed;
    uint8_t expressionParamSetOffset;
 
    // This list should be terminated by an object whose values are all zero. Yes, all of them must be zero, because if
    // we know this, we can check for stuff faster.
    ParamCollectionSummary summaries[PARAM_COLLECTIONS_STORAGE_NUM];
};
 
class ParamManagerForTimeline final : public ParamManager { // I want to rename this one to "with automation"
public:
    ParamManagerForTimeline();
 
    void tickSamples(int32_t numSamples, ModelStackWithThreeMainThings* modelStack);
    void setPlayPos(uint32_t pos, ModelStackWithThreeMainThings* modelStack, bool reversed);
    void expectNoFurtherTicks(ModelStackWithThreeMainThings* modelStack);
    void grabValuesFromPos(uint32_t pos, ModelStackWithThreeMainThings* modelStack);
    void generateRepeats(ModelStackWithThreeMainThings* modelStack, uint32_t oldLength, uint32_t newLength,
                         bool shouldPingpong);
    void appendParamManager(ModelStackWithThreeMainThings* modelStack, ModelStackWithThreeMainThings* otherModelStack,
                            int32_t oldLength, int32_t reverseThisRepeatWithLength, bool pingpongingGenerally);
    void trimToLength(uint32_t newLength, ModelStackWithThreeMainThings* modelStack, Action* action,
                      bool maySetupPatching = true);
 
    void processCurrentPos(ModelStackWithThreeMainThings* modelStack, int32_t ticksSinceLast, bool reversed,
                           bool didPingpong = false, bool mayInterpolate = true);
    void expectEvent(ModelStackWithThreeMainThings const* modelStack);
 
    void shiftHorizontally(ModelStackWithThreeMainThings* modelStack, int32_t amount, int32_t effectiveLength);
    void nudgeAutomationHorizontallyAtPos(int32_t pos, int32_t offset, int32_t lengthBeforeLoop, Action* action,
                                          ModelStackWithThreeMainThings* modelStack, bool nudgeAutomation,
                                          bool nudgeMPE, int32_t moveMPEDataWithinRegionLength = 0);
    void deleteAllAutomation(Action* action, ModelStackWithThreeMainThings* modelStack);
    void notifyPingpongOccurred(ModelStackWithThreeMainThings* modelStack);
    void ensureSomeParamCollections(); // Freezes if empty - the DEFINITELY_SOME loops require at least one
    bool mightContainAutomation();
 
    ParamManagerForTimeline* toForTimeline() override;
 
    int32_t ticksTilNextEvent;
    int32_t ticksSkipped;
};