AtomicGameEngine/Source/AtomicEditor/PlayerMode/AEPlayerMode.cpp

//
// Copyright (c) 2014-2016 THUNDERBEAST GAMES LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

#include <Atomic/IO/IOEvents.h>
#include <Atomic/IO/Log.h>
#include <Atomic/Input/InputEvents.h>
#include <Atomic/Core/ProcessUtils.h>
#include <Atomic/Core/CoreEvents.h>
#include <Atomic/Graphics/GraphicsEvents.h>
#include <Atomic/Graphics/Graphics.h>
#include <Atomic/Graphics/Camera.h>
#include <Atomic/Graphics/Texture2D.h>
#include <Atomic/UI/SystemUI/DebugHud.h>
#include <Atomic/UI/SystemUI/SystemUIEvents.h>
#include <Atomic/UI/UI.h>
#include <Atomic/IPC/IPCEvents.h>
#include <Atomic/IPC/IPCWorker.h>

#include <AtomicJS/Javascript/JSVM.h>
#include <AtomicJS/Javascript/JSEvents.h>
#include <AtomicJS/Javascript/JSIPCEvents.h>

#include <AtomicPlayer/Player.h>

#include "AEPlayerEvents.h"

#include "AEPlayerMode.h"

#ifdef ATOMIC_PLATFORM_WINDOWS
#include <windows.h>
#endif

namespace AtomicEditor
{

PlayerMode::PlayerMode(Context* context) :
    Object(context),
    brokerActive_(false),
    launchedByEditor_(false)
{
    fd_[0] = INVALID_IPCHANDLE_VALUE;
    fd_[1] = INVALID_IPCHANDLE_VALUE;

    ipc_ = GetSubsystem<IPC>();

    SubscribeToEvent(E_LOGMESSAGE, HANDLER(PlayerMode, HandleLogMessage));
    SubscribeToEvent(E_JSERROR, HANDLER(PlayerMode, HandleJSError));
    SubscribeToEvent(E_EXITREQUESTED, HANDLER(PlayerMode, HandleExitRequest));
    SubscribeToEvent(E_SCREENMODE, HANDLER(PlayerMode, HandlePlayerWindowChanged));
    SubscribeToEvent(E_WINDOWPOS, HANDLER(PlayerMode, HandlePlayerWindowChanged));
    SubscribeToEvent(E_UPDATESPAUSEDRESUMED, HANDLER(PlayerMode, HandleUpdatesPausedResumed));
}

PlayerMode::~PlayerMode()
{

}

bool PlayerMode::Start()
{
    // If we aren't playing a scene, kick off the main.js if any
    if (!scenePath_.Length())
    {
        JSVM* vm = JSVM::GetJSVM(0);

        if (!vm->ExecuteMain())
        {
            return false;
        }

    }
    else
    {
        AtomicPlayer::Player* player = GetSubsystem<AtomicPlayer::Player>();
        player->SetRenderToTexture(512, 512);

        player->LoadScene(scenePath_);

        using namespace IPCPlayerRenderTextureInfo;

        VariantMap eventData;

        Texture2D* texture = player->GetRenderTexture();

        eventData[P_WIDTH] = texture->GetWidth();
        eventData[P_HEIGHT] = texture->GetHeight();
        eventData[P_FORMAT] = texture->GetFormat();
        eventData[P_USAGE] = (unsigned) texture->GetUsage();
        // Note: On D3D9/11 and MacGL this handle is 32 bit, any > 32 bit resource handle would need to be fixed here
        eventData[P_RESOURCEHANDLE] = (unsigned) ((uintptr_t) texture->GetGPUSharedHandle());

        ipc_->SendEventToBroker(E_IPCPLAYERRENDERTEXTUREINFO, eventData);

    }

    return true;
}

void PlayerMode::HandleIPCInitialize(StringHash eventType, VariantMap& eventData)
{
    brokerActive_ = true;

    if (!Start())
    {
        SendEvent(E_EXITREQUESTED);
        return;
    }

    SystemUI::DebugHud* debugHud = GetSubsystem<SystemUI::DebugHud>();
    if (debugHud)
        debugHud->SetMode(eventData["debugHudMode"].GetUInt());

}

void PlayerMode::ProcessArguments() {

    const Vector<String>& arguments = GetArguments();

    int id = -1;

    for (unsigned i = 0; i < arguments.Size(); ++i)
    {
        if (arguments[i].Length() > 1)
        {
            String argument = arguments[i].ToLower();
            String value = i + 1 < arguments.Size() ? arguments[i + 1] : String::EMPTY;

            if (argument.StartsWith("--ipc-id="))
            {
                Vector<String> idc = argument.Split(argument.CString(), '=');
                if (idc.Size() == 2)

                    id = ToInt(idc[1].CString());
            }
            else if (argument.StartsWith("--ipc-server=") || argument.StartsWith("--ipc-client="))
            {
                LOGINFOF("Starting IPCWorker %s", argument.CString());

                Vector<String> ipc = argument.Split(argument.CString(), '=');

                if (ipc.Size() == 2)
                {
                    if (argument.StartsWith("--ipc-server="))
                    {
#ifdef ATOMIC_PLATFORM_WINDOWS
                        // clientRead
                        WString wipc(ipc[1]);
                        HANDLE pipe = reinterpret_cast<HANDLE>(_wtoi64(wipc.CString()));
                        fd_[0] = pipe;
#else
                        int fd = ToInt(ipc[1].CString());
                        fd_[0] = fd;
#endif
                    }
                    else
                    {
#ifdef ATOMIC_PLATFORM_WINDOWS
                        // clientWrite
                        WString wipc(ipc[1]);
                        HANDLE pipe = reinterpret_cast<HANDLE>(_wtoi64(wipc.CString()));
                        fd_[1] = pipe;
#else
                        int fd = ToInt(ipc[1].CString());
                        fd_[1] = fd;
#endif
                    }

                }

            }
            else if (argument == "--scene" && value.Length())
            {
                scenePath_ = value;
            }
        }
    }

    if (id > 0 && fd_[0] != INVALID_IPCHANDLE_VALUE && fd_[1] != INVALID_IPCHANDLE_VALUE)
    {
        launchedByEditor_ = true;
        SubscribeToEvent(E_IPCINITIALIZE, HANDLER(PlayerMode, HandleIPCInitialize));
        ipc_->InitWorker((unsigned) id, fd_[0], fd_[1]);
    }
}

void PlayerMode::HandleJSError(StringHash eventType, VariantMap& eventData)
{
    if (brokerActive_)
    {
        if (ipc_.Null())
            return;

        String errName = eventData[JSError::P_ERRORNAME].GetString();
        String errStack = eventData[JSError::P_ERRORSTACK].GetString();
        String errMessage = eventData[JSError::P_ERRORMESSAGE].GetString();
        String errFilename = eventData[JSError::P_ERRORFILENAME].GetString();
        int errLineNumber = eventData[JSError::P_ERRORLINENUMBER].GetInt();

        VariantMap ipcErrorData;
        ipcErrorData[IPCJSError::P_ERRORNAME] = errName;
        ipcErrorData[IPCJSError::P_ERRORSTACK] = errStack;
        ipcErrorData[IPCJSError::P_ERRORMESSAGE] = errMessage;
        ipcErrorData[IPCJSError::P_ERRORFILENAME] = errFilename;
        ipcErrorData[IPCJSError::P_ERRORLINENUMBER] = errLineNumber;

        ipc_->SendEventToBroker(E_IPCJSERROR, ipcErrorData);

        LOGERROR("SENDING E_IPCJSERROR");

    }

}


void PlayerMode::HandleLogMessage(StringHash eventType, VariantMap& eventData)
{
    using namespace LogMessage;

    if (brokerActive_)
    {

        if (ipc_.Null())
            return;

        VariantMap logEvent;
        logEvent[IPCWorkerLog::P_LEVEL] = eventData[P_LEVEL].GetInt();
        logEvent[IPCWorkerLog::P_MESSAGE] = eventData[P_MESSAGE].GetString();
        ipc_->SendEventToBroker(E_IPCWORKERLOG, logEvent);
    }

}

void PlayerMode::HandlePlayerWindowChanged(StringHash eventType, VariantMap& eventData)
{
    Graphics* graphics = GetSubsystem<Graphics>();
    using namespace IPCPlayerWindowChanged;
    VariantMap data;
    data[P_POSX] = graphics->GetWindowPosition().x_;
    data[P_POSY] = graphics->GetWindowPosition().y_;
    data[P_WIDTH] = graphics->GetWidth();
    data[P_HEIGHT] = graphics->GetHeight();
    data[P_MONITOR] = graphics->GetCurrentMonitor();
    data[P_MAXIMIZED] = graphics->GetMaximized();
    ipc_->SendEventToBroker(E_IPCPLAYERWINDOWCHANGED, data);
}

void PlayerMode::HandleUpdatesPausedResumed(StringHash eventType, VariantMap& eventData)
{
    ipc_->SendEventToBroker(E_IPCPLAYERUPDATESPAUSEDRESUMED, eventData);
}

void PlayerMode::HandleExitRequest(StringHash eventType, VariantMap& eventData)
{
    UnsubscribeFromEvent(E_LOGMESSAGE);
    SendEvent(E_PLAYERQUIT);
}

}