Bank.hpp

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/* ✔ */
 
#pragma once
 
#include <AH/Debug/Debug.hpp>
#include <AH/Error/Error.hpp>
#include <AH/Containers/LinkedList.hpp>
#include <Selectors/Selectable.hpp>
 
BEGIN_CS_NAMESPACE
 
template <setting_t N>
class BankableMIDIInput;
 
class BankableMIDIOutput;
 
class OutputBank {
  public:
    OutputBank(uint8_t tracksPerBank = 1, setting_t initialSelection = 0)
        : tracksPerBank(tracksPerBank), bankSetting(initialSelection) {
        if (tracksPerBank == 0)
            FATAL_ERROR(F("A Bank must have a non-zero number of tracks."),
                        0x4573);
    }
 
    void select(setting_t setting) { bankSetting = setting; }
 
    virtual setting_t getSelection() const { return bankSetting; }
 
    uint8_t getTracksPerBank() const { return tracksPerBank; }
 
    uint8_t getOffset() const { return getSelection() * getTracksPerBank(); }
 
  private:
    uint8_t tracksPerBank;
    setting_t bankSetting;
};
 
template <setting_t N>
class Bank : public Selectable<N>, public OutputBank {
    friend class BankableMIDIInput<N>;
 
  public:
    Bank(uint8_t tracksPerBank = 1, setting_t initialSelection = 0)
        : Selectable<N>(initialSelection),
          OutputBank(tracksPerBank, initialSelection) {}
 
    void select(setting_t bankSetting) override;
 
    constexpr static uint8_t getNumberOfBanks() { return N; }
 
  private:
    void add(BankableMIDIInput<N> *bankable);
 
    void remove(BankableMIDIInput<N> *bankable);
 
    DoublyLinkedList<BankableMIDIInput<N>> inputBankables;
};
 
END_CS_NAMESPACE
 
// ---------------------------- Implementations ----------------------------- //
 
#include <Banks/BankableMIDIInput.hpp>
 
BEGIN_CS_NAMESPACE
 
template <setting_t N>
void Bank<N>::add(BankableMIDIInput<N> *bankable) {
    inputBankables.append(bankable);
}
 
template <setting_t N>
void Bank<N>::remove(BankableMIDIInput<N> *bankable) {
    inputBankables.remove(bankable);
}
 
template <setting_t N>
void Bank<N>::select(setting_t bankSetting) {
    bankSetting = this->validateSetting(bankSetting);
    OutputBank::select(bankSetting);
    for (BankableMIDIInput<N> &e : inputBankables)
        e.onBankSettingChange();
}
 
END_CS_NAMESPACE