//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors

This file is part of EDuke32.

EDuke32 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"
#include "compat.h"
#include "build.h"
#include "common.h"
#include "keyboard.h"
#include "control.h"
#include "exhumed.h"
#include "config.h"
#include "osdcmds.h"
#include "view.h"

BEGIN_PS_NS


int osdcmd_restartvid(osdcmdptr_t UNUSED(parm))
{
    UNREFERENCED_CONST_PARAMETER(parm);
    videoResetMode();
    if (videoSetGameMode(gSetup.fullscreen,gSetup.xdim,gSetup.ydim,gSetup.bpp,0))
        I_Error("restartvid: Reset failed...\n");
    onvideomodechange(gSetup.bpp>8);
    UpdateScreenSize();

    return OSDCMD_OK;
}

static int osdcmd_vidmode(osdcmdptr_t parm)
{
    int32_t newbpp = gSetup.bpp, newwidth = gSetup.xdim,
            newheight = gSetup.ydim, newfs = gSetup.fullscreen;
    int32_t tmp;

    if (parm->numparms < 1 || parm->numparms > 4) return OSDCMD_SHOWHELP;

    switch (parm->numparms)
    {
    case 1: // bpp switch
        tmp = Batol(parm->parms[0]);
        if (!(tmp==8 || tmp==16 || tmp==32))
            return OSDCMD_SHOWHELP;
        newbpp = tmp;
        break;
    case 2: // res switch
        newwidth = Batol(parm->parms[0]);
        newheight = Batol(parm->parms[1]);
        break;
    case 3: // res & bpp switch
    case 4:
        newwidth = Batol(parm->parms[0]);
        newheight = Batol(parm->parms[1]);
        tmp = Batol(parm->parms[2]);
        if (!(tmp==8 || tmp==16 || tmp==32))
            return OSDCMD_SHOWHELP;
        newbpp = tmp;
        if (parm->numparms == 4)
            newfs = (Batol(parm->parms[3]) != 0);
        break;
    }

    if (videoSetGameMode(newfs,newwidth,newheight,newbpp,upscalefactor))
    {
        initprintf("vidmode: Mode change failed!\n");
        if (videoSetGameMode(gSetup.fullscreen, gSetup.xdim, gSetup.ydim, gSetup.bpp, upscalefactor))
            I_Error("vidmode: Reset failed!\n");
    }
    gSetup.bpp = newbpp;
    gSetup.xdim = newwidth;
    gSetup.ydim = newheight;
    gSetup.fullscreen = newfs;
    onvideomodechange(gSetup.bpp>8);
    UpdateScreenSize();
    return OSDCMD_OK;
}

void onvideomodechange(int32_t newmode)
{
    uint8_t palid = BASEPAL;
    videoSetPalette(0, palid, 0);
}

int32_t registerosdcommands(void)
{
    //if (VOLUMEONE)
    //    OSD_RegisterFunction("changelevel","changelevel <level>: warps to the given level", osdcmd_changelevel);
    //else
    //{
    //    OSD_RegisterFunction("changelevel","changelevel <volume> <level>: warps to the given level", osdcmd_changelevel);
    //    OSD_RegisterFunction("map","map <mapfile>: loads the given user map", osdcmd_map);
    //    OSD_RegisterFunction("demo","demo <demofile or demonum>: starts the given demo", osdcmd_demo);
    //}

    //OSD_RegisterFunction("cmenu","cmenu <#>: jumps to menu", osdcmd_cmenu);
    //OSD_RegisterFunction("crosshaircolor","crosshaircolor: changes the crosshair color", osdcmd_crosshaircolor);


    //OSD_RegisterFunction("give","give <all|health|weapons|ammo|armor|keys|inventory>: gives requested item", osdcmd_give);
    //OSD_RegisterFunction("god","god: toggles god mode", osdcmd_god);
    //OSD_RegisterFunction("activatecheat","activatecheat <id>: activates a cheat code", osdcmd_activatecheat);

    //OSD_RegisterFunction("restartmap", "restartmap: restarts the current map", osdcmd_restartmap);
    //OSD_RegisterFunction("restartsound","restartsound: reinitializes the sound system",osdcmd_restartsound);
    OSD_RegisterFunction("restartvid","restartvid: reinitializes the video mode",osdcmd_restartvid);

    //OSD_RegisterFunction("spawn","spawn <picnum> [palnum] [cstat] [ang] [x y z]: spawns a sprite with the given properties",osdcmd_spawn);

    OSD_RegisterFunction("vidmode","vidmode <xdim> <ydim> <bpp> <fullscreen>: change the video mode",osdcmd_vidmode);

    return 0;
}


END_PS_NS