metaforce/Runtime/World/CScriptMidi.cpp

#include "CScriptMidi.hpp"
#include "TCastTo.hpp"
#include "CSimplePool.hpp"
#include "GameGlobalObjects.hpp"
#include "CStateManager.hpp"
#include "MP1/CInGameGuiManager.hpp"
#include "CInGameTweakManagerBase.hpp"

namespace urde
{

CScriptMidi::CScriptMidi(TUniqueId id, const CEntityInfo& info, const std::string& name,
                         bool active, CAssetId csng, float fadeIn, float fadeOut, s32 volume)
: CEntity(id, info, active, name), x40_fadeInTime(fadeIn), x44_fadeOutTime(fadeOut),
  x48_volume(volume)
{
    x34_song = g_SimplePool->GetObj(SObjectTag{FOURCC('CSNG'), csng});
}

void CScriptMidi::StopInternal(float fadeTime)
{
    if (x3c_handle)
    {
        CMidiManager::Stop(x3c_handle, fadeTime);
        x3c_handle.reset();
    }
}

void CScriptMidi::Stop(CStateManager& mgr, float fadeTime)
{
    const CWorld* wld = mgr.GetWorld();
    const CGameArea* area = wld->GetAreaAlways(x4_areaId);
    std::string twkName = CInGameTweakManagerBase::GetIdentifierForMidiEvent(wld->IGetWorldAssetId(),
                                                                             area->GetAreaAssetId(),
                                                                             x10_name);
    if (g_TweakManager->HasTweakValue(twkName))
    {
        const CTweakValue::Audio& audio = g_TweakManager->GetTweakValue(twkName)->GetAudio();
        fadeTime = audio.GetFadeOut();
    }

    StopInternal(fadeTime);
}

void CScriptMidi::Play(CStateManager& mgr, float fadeTime)
{
    u32 volume = x48_volume;
    const CWorld* wld = mgr.GetWorld();
    const CGameArea* area = wld->GetAreaAlways(x4_areaId);
    std::string twkName = CInGameTweakManagerBase::GetIdentifierForMidiEvent(wld->IGetWorldAssetId(),
                                                                             area->GetAreaAssetId(),
                                                                             x10_name);
    if (g_TweakManager->HasTweakValue(twkName))
    {
        const CTweakValue::Audio& audio = g_TweakManager->GetTweakValue(twkName)->GetAudio();
        x34_song = g_SimplePool->GetObj(SObjectTag{FOURCC('CSNG'), audio.GetResId()});
        fadeTime = audio.GetFadeIn();
        volume = audio.GetVolume() * 127.f;
    }

    x3c_handle = CMidiManager::Play(*x34_song, fadeTime, false, volume / 127.f);
}

void CScriptMidi::Accept(IVisitor& visitor)
{
    visitor.Visit(this);
}

void CScriptMidi::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId objId, CStateManager& stateMgr)
{
    CEntity::AcceptScriptMsg(msg, objId, stateMgr);
    switch (msg)
    {
    case EScriptObjectMessage::Play:
        if (GetActive())
            Play(stateMgr, x40_fadeInTime);
        break;
    case EScriptObjectMessage::Stop:
        if (GetActive())
            Stop(stateMgr, x44_fadeOutTime);
        break;
    case EScriptObjectMessage::Deactivate:
        StopInternal(0.f);
        break;
    default: break;
    }
}

}