//-------------------------------------------------------------------------
/*
Copyright (C) 2010-2019 EDuke32 developers and contributors
Copyright (C) 2019 Nuke.YKT

This file is part of NBlood.

NBlood is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
//-------------------------------------------------------------------------

#include "ns.h"	// Must come before everything else!

#include "build.h"
#include "v_draw.h"
#include "common.h"
#include "mmulti.h"
#include "common_game.h"
#include "blood.h"
#include "endgame.h"
#include "globals.h"
#include "levels.h"
#include "loadsave.h"
#include "network.h"
#include "player.h"
#include "sound.h"
#include "view.h"
#include "messages.h"
#include "statistics.h"
#include "gstrings.h"
#include "gamestate.h"
#include "raze_sound.h"

BEGIN_BLD_NS

enum
{
    kLoadScreenCRC = -2051908571,
    kLoadScreenWideBackWidth = 256,
    kLoadScreenWideSideWidth = 128,

};


static int bLoadScreenCrcMatch = -1;

static void drawTextScreenBackground(void)
{
    if (bLoadScreenCrcMatch == -1) bLoadScreenCrcMatch = tileGetCRC32(kLoadScreen) == kLoadScreenCRC;

    if ((blood_globalflags & BLOOD_FORCE_WIDELOADSCREEN) || (bLoadScreenCrcMatch))
    {
        if (yxaspect >= 65536)
        {
            DrawTexture(twod, tileGetTexture(kLoadScreen), 0, 0, DTA_FullscreenEx, 3, TAG_DONE);
        }
        else
        {
            int width = scale(xdim, 240, ydim);
            int nCount = (width + kLoadScreenWideBackWidth - 1) / kLoadScreenWideBackWidth;
            for (int i = 0; i < nCount; i++)
            {
                DrawTexture(twod, tileGetTexture(kLoadScreenWideBack), (i * kLoadScreenWideBackWidth), 0,
                    DTA_VirtualWidth, width, DTA_VirtualHeight, 200, DTA_KeepRatio, true, TAG_DONE);
            }
            DrawTexture(twod, tileGetTexture(kLoadScreenWideLeft), 0, 0, DTA_VirtualWidth, width, DTA_VirtualHeight, 200, DTA_KeepRatio, true, DTA_TopLeft, true, TAG_DONE);
            DrawTexture(twod, tileGetTexture(kLoadScreenWideRight), width - tileWidth(kLoadScreenWideRight), 0, DTA_TopLeft, true,
                DTA_VirtualWidth, width, DTA_VirtualHeight, 200, DTA_KeepRatio, true, TAG_DONE);
            DrawTexture(twod, tileGetTexture(kLoadScreenWideMiddle), (width - tileWidth(kLoadScreenWideMiddle))/2, 0, DTA_TopLeft, true,
                DTA_VirtualWidth, width, DTA_VirtualHeight, 200, DTA_KeepRatio, true, TAG_DONE);
        }
    }
    else
    {
        DrawTexture(twod, tileGetTexture(kLoadScreen), 0, 0, DTA_FullscreenEx, 3, TAG_DONE);
    }
}


CEndGameMgr::CEndGameMgr()
{
    at0 = 0;
}

void CEndGameMgr::Draw(void)
{
    drawTextScreenBackground();
    if (gGameOptions.nGameType == 0)
    {
        DrawMenuCaption(GStrings("TXTB_LEVELSTATS"));
        if (CCheatMgr::m_bPlayerCheated)
        {
            viewDrawText(3, GStrings("TXTB_CHEATED"), 160, 32, -128, 0, 1, 1);
        }
        gKillMgr.Draw();
        gSecretMgr.Draw();
    }
    else
    {
        DrawMenuCaption(GStrings("TXTB_FRAGSTATS"));
        gKillMgr.Draw();
    }
    if (/*dword_28E3D4 != 1 && */((int)totalclock&32))
    {
        viewDrawText(3, GStrings("PRESSKEY"), 160, 134, -128, 0, 1, 1);
    }
}

void CEndGameMgr::ProcessKeys(void)
{
    //if (dword_28E3D4 == 1)
    //{
    //    if (gGameOptions.gameType >= 0 || numplayers > 1)
    //        netWaitForEveryone(0);
    //    Finish();
    //}
    //else
    {
        if (!inputState.CheckAllInput())
            return;
        if (gGameOptions.nGameType > 0 || numplayers > 1)
            netWaitForEveryone(0);
        Finish();
    }
}

extern void EndLevel(void);

void CEndGameMgr::Setup(void)
{
	gamestate = GS_FINALE;
    at0 = 1;
	STAT_Update(false);
    EndLevel();
    Mus_Stop();
    sndStartSample(268, 128, -1, 1);
    inputState.keyFlushScans();
}

//int gNextLevel;

extern int gInitialNetPlayers;
extern bool gStartNewGame;

void CEndGameMgr::Finish(void)
{
    levelSetupOptions(gGameOptions.nEpisode, gNextLevel);
    gInitialNetPlayers = numplayers;
    soundEngine->StopAllChannels();
    gStartNewGame = 1;
    at0 = 0;
}

CKillMgr::CKillMgr()
{
    Clear();
}

void CKillMgr::SetCount(int nCount)
{
    at0 = nCount;
}

void CKillMgr::sub_263E0(int nCount)
{
    at0 += nCount;
}

void CKillMgr::AddKill(spritetype* pSprite)
{
    if (pSprite->statnum == kStatDude && pSprite->type != kDudeBat && pSprite->type != kDudeRat && pSprite->type != kDudeInnocent && pSprite->type != kDudeBurningInnocent)
        at4++;
}

void CKillMgr::sub_2641C(void)
{
    at0 = 0;
    for (int nSprite = headspritestat[kStatDude]; nSprite >= 0; nSprite = nextspritestat[nSprite])
    {
        spritetype* pSprite = &sprite[nSprite];
        if (pSprite->type < kDudeBase || pSprite->type >= kDudeMax)
            ThrowError("Non-enemy sprite (%d) in the enemy sprite list.", nSprite);
        if (pSprite->statnum == kStatDude && pSprite->type != kDudeBat && pSprite->type != kDudeRat && pSprite->type != kDudeInnocent && pSprite->type != kDudeBurningInnocent)
            at0++;
    }
}

void CKillMgr::Draw(void)
{
    char pBuffer[40];
    if (gGameOptions.nGameType == 0)
    {
        viewDrawText(1, FStringf("%s:", GStrings("KILLS")), 75, 50, -128, 0, 0, 1);
        sprintf(pBuffer, "%2d", at4);
        viewDrawText(1, pBuffer, 160, 50, -128, 0, 0, 1);
        viewDrawText(1, GStrings("OF"), 190, 50, -128, 0, 0, 1);
        sprintf(pBuffer, "%2d", at0);
        viewDrawText(1, pBuffer, 220, 50, -128, 0, 0, 1);
    }
    else
    {
        viewDrawText(3, "#", 85, 35, -128, 0, 0, 1);
        viewDrawText(3, GStrings("NAME"), 100, 35, -128, 0, 0, 1);
        viewDrawText(3, GStrings("FRAGS"), 210, 35, -128, 0, 0, 1);
        int nStart = 0;
        int nEnd = gInitialNetPlayers;
        //if (dword_28E3D4 == 1)
        //{
        //    nStart++;
        //    nEnd++;
        //}
        for (int i = nStart; i < nEnd; i++)
        {
            sprintf(pBuffer, "%-2d", i);
            viewDrawText(3, pBuffer, 85, 50+8*i, -128, 0, 0, 1);
            sprintf(pBuffer, "%s", gProfile[i].name);
            viewDrawText(3, pBuffer, 100, 50+8*i, -128, 0, 0, 1);
            sprintf(pBuffer, "%d", gPlayer[i].fragCount);
            viewDrawText(3, pBuffer, 210, 50+8*i, -128, 0, 0, 1);
        }
    }
}

void CKillMgr::Clear(void)
{
    at0 = at4 = 0;
}

CSecretMgr::CSecretMgr(void)
{
    Clear();
}

void CSecretMgr::SetCount(int nCount)
{
    at0 = nCount;
}

void CSecretMgr::Found(int nType)
{
    if (nType == 0) at4++;
    else if (nType < 0) {
        viewSetSystemMessage("Invalid secret type %d triggered.", nType);
        return;
    } else at8++;

    if (gGameOptions.nGameType == 0) {
		viewSetMessage(GStrings(FStringf("TXTB_SECRET%d", Random(2))),  0, MESSAGE_PRIORITY_SECRET);
    }
}

void CSecretMgr::Draw(void)
{
    char pBuffer[40];
    viewDrawText(1, FStringf("%s:", GStrings("TXT_SECRETS")), 75, 70, -128, 0, 0, 1);
    sprintf(pBuffer, "%2d", at4);
    viewDrawText(1, pBuffer, 160, 70, -128, 0, 0, 1);
    viewDrawText(1, GStrings("OF"), 190, 70, -128, 0, 0, 1);
    sprintf(pBuffer, "%2d", at0);
    viewDrawText(1, pBuffer, 220, 70, -128, 0, 0, 1);
    if (at8 > 0)
        viewDrawText(1, GStrings("TXT_SUPERSECRET"), 160, 100, -128, 2, 1, 1);
}

void CSecretMgr::Clear(void)
{
    at0 = at4 = at8 = 0;
}

class EndGameLoadSave : public LoadSave {
public:
    virtual void Load(void);
    virtual void Save(void);
};

void EndGameLoadSave::Load(void)
{
    Read(&gSecretMgr.at0, 4);
    Read(&gSecretMgr.at4, 4);
    Read(&gSecretMgr.at8, 4);
    Read(&gKillMgr.at0, 4);
    Read(&gKillMgr.at4, 4);
}

void EndGameLoadSave::Save(void)
{
    Write(&gSecretMgr.at0, 4);
    Write(&gSecretMgr.at4, 4);
    Write(&gSecretMgr.at8, 4);
    Write(&gKillMgr.at0, 4);
    Write(&gKillMgr.at4, 4);
}

CEndGameMgr gEndGameMgr;
CSecretMgr gSecretMgr;
CKillMgr gKillMgr;
static EndGameLoadSave *myLoadSave;

void EndGameLoadSaveConstruct(void)
{
    myLoadSave = new EndGameLoadSave();
}


class DBloodLoadScreen : public DScreenJob
{
    std::function<int(void)> callback;
    const char *pzLoadingScreenText1;
    MapRecord* rec;

public:
    DBloodLoadScreen(const char* caption, MapRecord* maprec, std::function<int(void)> callback_) : DScreenJob(fadein | fadeout), callback(callback_), rec(maprec)
    {
        if (gGameOptions.nGameType == 0) pzLoadingScreenText1 = GStrings("TXTB_LLEVEL");
        else pzLoadingScreenText1 = GStrings(FStringf("TXTB_NETGT%d", gGameOptions.nGameType));
    }

    int Frame(uint64_t clock, bool skiprequest)
    {
        twod->ClearScreen();
        drawTextScreenBackground();
        DrawMenuCaption(pzLoadingScreenText1);
        viewDrawText(1, rec->DisplayName(), 160, 50, -128, 0, 1, 1);
        viewDrawText(3, GStrings("TXTB_PLSWAIT"), 160, 134, -128, 0, 1, 1);

        // Initiate the level load once the page has been faded in completely.
        if (callback && GetFadeState() == visible)
        {
            callback();
            callback = nullptr;
        }
        if (clock > 5'000'000'000) return 0;	// make sure the screen stays long enough to be seen.
        return skiprequest ? -1 : 1;
    }
};

END_BLD_NS