snd_VoiceManager.h

#ifndef NW4R_SND_VOICE_MANAGER_H
#define NW4R_SND_VOICE_MANAGER_H
 
/*******************************************************************************
 * headers
 */
 
#include <types.h>
 
#include "nw4r/snd/snd_Voice.h"
 
/*******************************************************************************
 * classes and functions
 */
 
namespace nw4r { namespace snd { namespace detail
{
    // [R89JEL]:/bin/RVL/Debug/mainD.elf:.debug::0x2ffb36
    class VoiceManager
    {
    public:
        static const int VOICE_MAX = AX_VOICE_MAX;
        static const int WORK_SIZE_MAX = VOICE_MAX * sizeof(Voice);
    // methods
    public:
        // instance accessors
        static VoiceManager &GetInstance();
 
        // methods
        void Setup(void *mem, ulong memSize);
        void Shutdown();
 
        Voice::LinkList const &GetVoiceList() const { return mPrioVoiceList; }
        ulong GetRequiredMemSize(int voiceCount);
 
        Voice *AllocVoice(int voiceChannelCount, int voiceOutCount,
                          int priority, Voice::Callback *callback,
                          void *callbackData);
        void FreeVoice(Voice *voice);
 
        void StopAllVoices();
 
        void ChangeVoicePriority(Voice *voice);
 
        void UpdateAllVoices();
        void UpdateAllVoicesSync(ulong syncFlag);
 
        void NotifyVoiceUpdate();
 
    private:
        // cdtors
        VoiceManager();
 
        // methods
        void AppendVoiceList(Voice *voice);
        void RemoveVoiceList(Voice *voice);
 
        void UpdateEachVoicePriority(Voice::LinkList::Iterator const &beginItr,
                                     Voice::LinkList::Iterator const &endItr);
 
        int DropLowestPriorityVoice(int priority);
 
    // members
    private:
        bool            mInitialized;   // size 0x01, offset 0x00
        /* 3 bytes padding */
        Voice::LinkList mPrioVoiceList; // size 0x0c, offset 0x04
        Voice::LinkList mFreeVoiceList; // size 0x0c, offset 0x10
    }; // size 0x1c
}}} // namespace nw4r::snd::detail
 
#endif // NW4R_SND_VOICE_MANAGER_H