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/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo

*/

#include "LoadScreen.h"
#include "LoadDlg.h"
#include "CmpLoadDlg.h"
#include "Starshatter.h"

#include "GameWinDX9.h"
#include "Video.h"
#include "Screen.h"
#include "FormDef.h"
#include "Window.h"
#include "ActiveWindow.h"
#include "Mouse.h"
#include "Color.h"
#include "Bitmap.h"
#include "Font.h"
#include "FontMgr.h"
#include "DataLoader.h"

// +--------------------------------------------------------------------+

LoadScreen::LoadScreen()
: screen(0), load_dlg(0), cmp_load_dlg(0), isShown(false)
{ }

LoadScreen::~LoadScreen()
{
    TearDown();
}

// +--------------------------------------------------------------------+

void
LoadScreen::Setup(Screen* s)
{
    if (!s)
    return;

    screen        = s;

    DataLoader* loader = DataLoader::GetLoader();
    loader->UseFileSystem(true);

    // create windows
    FormDef load_def("LoadDlg", 0);
    load_def.Load("LoadDlg");
    load_dlg = new LoadDlg(screen, load_def);

    FormDef cmp_load_def("CmpLoadDlg", 0);
    cmp_load_def.Load("CmpLoadDlg");
    cmp_load_dlg = new CmpLoadDlg(screen, cmp_load_def);

    loader->UseFileSystem(Starshatter::UseFileSystem());
    ShowLoadDlg();
}

// +--------------------------------------------------------------------+

void
LoadScreen::TearDown()
{
    if (screen) {
        if (load_dlg)     screen->DelWindow(load_dlg);
        if (cmp_load_dlg) screen->DelWindow(cmp_load_dlg);
    }

    delete load_dlg;
    delete cmp_load_dlg;

    load_dlg       = 0;
    cmp_load_dlg   = 0;
    screen         = 0;
}

// +--------------------------------------------------------------------+

void
LoadScreen::ExecFrame()
{
    GameWinDX9::GetInstance()->SetScreenColor(Color::Black);

    if (load_dlg && load_dlg->IsShown())
    load_dlg->ExecFrame();

    if (cmp_load_dlg && cmp_load_dlg->IsShown())
    cmp_load_dlg->ExecFrame();
}

// +--------------------------------------------------------------------+

bool
LoadScreen::CloseTopmost()
{
    return false;
}

void
LoadScreen::Show()
{
    if (!isShown) {
        ShowLoadDlg();
        isShown = true;
    }
}

void
LoadScreen::Hide()
{
    if (isShown) {
        HideLoadDlg();
        isShown = false;
    }
}

// +--------------------------------------------------------------------+

void
LoadScreen::ShowLoadDlg()
{
    if (load_dlg)     load_dlg->Hide();
    if (cmp_load_dlg) cmp_load_dlg->Hide();

    Starshatter* stars = Starshatter::GetInstance();

    // show campaign load dialog if available and loading campaign
    if (stars && cmp_load_dlg) {
        if (stars->GetGameMode() == Starshatter::CLOD_MODE ||
                stars->GetGameMode() == Starshatter::CMPN_MODE) {
            cmp_load_dlg->Show();
            Mouse::Show(false);
            return;
        }
    }

    // otherwise, show regular load dialog
    if (load_dlg) {
        load_dlg->Show();
        Mouse::Show(false);
    }
}

// +--------------------------------------------------------------------+

void
LoadScreen::HideLoadDlg()
{
    if (load_dlg && load_dlg->IsShown())
    load_dlg->Hide();

    if (cmp_load_dlg && cmp_load_dlg->IsShown())
    cmp_load_dlg->Hide();
}