/*
 * Definitions file parser for Build
 * by Jonathon Fowler (jf@jonof.id.au)
 * Remixed substantially by Ken Silverman
 * See the included license file "BUILDLIC.TXT" for license info.
 */

#include "build.h"
#include "compat.h"
#include "engine_priv.h"
#include "baselayer.h"
#include "scriptfile.h"
#include "cache1d.h"
#include "kplib.h"
#include "quicklz.h"
#include "common.h"
#include "mdsprite.h"  // md3model_t

enum scripttoken_t
{
    T_INCLUDE = 0,
    T_DEFINE,
    T_DEFINETEXTURE,
    T_DEFINESKYBOX,
    T_DEFINETINT,
    T_DEFINEMODEL,
    T_DEFINEMODELFRAME,
    T_DEFINEMODELANIM,
    T_DEFINEMODELSKIN,
    T_SELECTMODELSKIN,
    T_DEFINEVOXEL,
    T_DEFINEVOXELTILES,
    T_MODEL,
    T_FILE,
    T_SCALE,
    T_SHADE,
    T_FRAME,
    T_SMOOTHDURATION,
    T_ANIM,
    T_SKIN,
    T_SURF,
    T_TILE,
    T_TILE0,
    T_TILE1,
    T_FRAME0,
    T_FRAME1,
    T_FPS,
    T_FLAGS,
    T_PAL,
    T_BASEPAL,
    T_DETAIL,
    T_GLOW,
    T_SPECULAR,
    T_NORMAL,
    T_PARAM,
    T_HUD,
    T_XADD,
    T_YADD,
    T_ZADD,
    T_ANGADD,
    T_FOV,
    T_FLIPPED,
    T_HIDE,
    T_NOBOB,
    T_NODEPTH,
    T_VOXEL,
    T_SKYBOX,
    T_FRONT,T_RIGHT,T_BACK,T_LEFT,T_TOP,T_BOTTOM,
    T_HIGHPALOOKUP,
    T_TINT,
    T_MAKEPALOOKUP, T_REMAPPAL, T_REMAPSELF,
    T_RED,T_GREEN,T_BLUE,
    T_TEXTURE,T_ALPHACUT,T_XSCALE,T_YSCALE,T_SPECPOWER,T_SPECFACTOR,T_NOCOMPRESS,T_NODOWNSIZE,
    T_UNDEFMODEL,T_UNDEFMODELRANGE,T_UNDEFMODELOF,T_UNDEFTEXTURE,T_UNDEFTEXTURERANGE,
    T_ALPHAHACK,T_ALPHAHACKRANGE,
    T_SPRITECOL,T_2DCOL,
    T_FOGPAL,
    T_LOADGRP,
    T_DUMMYTILE,T_DUMMYTILERANGE,
    T_SETUPTILE,T_SETUPTILERANGE,
    T_ANIMTILERANGE,
    T_CACHESIZE,
    T_IMPORTTILE,
    T_MUSIC,T_ID,T_SOUND,
    T_TILEFROMTEXTURE, T_XOFFSET, T_YOFFSET, T_TEXHITSCAN, T_NOFULLBRIGHT,
    T_INCLUDEDEFAULT,
    T_ANIMSOUNDS,
    T_NOFLOORPALRANGE,
    T_TEXHITSCANRANGE,
    T_NOFULLBRIGHTRANGE,
    T_MAPINFO, T_MAPFILE, T_MAPTITLE, T_MAPMD4, T_MHKFILE,
    T_ECHO,
};

static int32_t lastmodelid = -1, lastvoxid = -1, modelskin = -1, lastmodelskin = -1, seenframe = 0;
int32_t nextvoxid = 0;

#ifdef USE_OPENGL
extern float alphahackarray[MAXTILES];
#endif

static const char *skyfaces[6] =
{
    "front face", "right face", "back face",
    "left face", "top face", "bottom face"
};

static int32_t defsparser(scriptfile *script);

static void defsparser_include(const char *fn, const scriptfile *script, const char *cmdtokptr)
{
    scriptfile *included;

    included = scriptfile_fromfile(fn);
    if (!included)
    {
        if (!cmdtokptr)
            initprintf("Warning: Failed including %s as module", fn);
        else
            initprintf("\nWarning: Failed including %s on line %s:%d",
                       fn, script->filename,scriptfile_getlinum(script,cmdtokptr));
    }
    else
    {
        if (!cmdtokptr)
        {
            flushlogwindow = 1;
            initprintf("Loading module \"%s\"",fn);
            flushlogwindow = 0;
        }

        defsparser(included);
        scriptfile_close(included);
    }
}


static int32_t check_tile_range(const char *defcmd, int32_t *tilebeg, int32_t *tileend,
                                const scriptfile *script, const char *cmdtokptr)
{
    if (*tileend < *tilebeg)
    {
        initprintf("\nWarning: %s: backwards tile range on line %s:%d", defcmd,
                   script->filename, scriptfile_getlinum(script,cmdtokptr));
        swaplong(tilebeg, tileend);
    }

    if ((unsigned)*tilebeg >= MAXTILES || (unsigned)*tileend >= MAXTILES)
    {
        initprintf("\nError: %s: Invalid tile range on line %s:%d", defcmd,
                   script->filename, scriptfile_getlinum(script,cmdtokptr));
        return 1;
    }

    return 0;
}

static int32_t check_tile(const char *defcmd, int32_t *tile, const scriptfile *script,
                          const char *cmdtokptr)
{
    if ((unsigned)*tile >= MAXTILES)
    {
        initprintf("\nError: %s: Invalid tile number on line %s:%d", defcmd,
                   script->filename, scriptfile_getlinum(script,cmdtokptr));
        return 1;
    }

    return 0;
}

static void tile_from_truecolpic(int32_t tile, const palette_t *picptr, int32_t alphacut)
{
    const int32_t xsiz = tilesizx[tile], ysiz = tilesizy[tile];
    int32_t i, j;

    char *ftd = (char *)Bmalloc(xsiz*ysiz);

    faketiledata[tile] = (char *)Bmalloc(xsiz*ysiz + 400);

    for (i=xsiz-1; i>=0; i--)
    {
        for (j=ysiz-1; j>=0; j--)
        {
            const palette_t *col = &picptr[j*xsiz+i];
            if (col->f < alphacut) { ftd[i*ysiz+j] = 255; continue; }
            ftd[i*ysiz+j] = getclosestcol(col->b>>2,col->g>>2,col->r>>2);
        }
        //                initprintf("\n %d %d %d %d",col->r,col->g,col->b,col->f);
    }

    faketilesiz[tile] = qlz_compress(ftd, faketiledata[tile], xsiz*ysiz, state_compress);
    Bfree(ftd);
}

#undef USE_DEF_PROGRESS
#if defined _WIN32 || defined HAVE_GTK2
# define USE_DEF_PROGRESS
#endif

static int32_t defsparser(scriptfile *script)
{
    int32_t tokn;
    char *cmdtokptr;
#ifdef USE_DEF_PROGRESS
    static uint32_t iter = 0;
#endif

    static const tokenlist basetokens[] =
    {
        { "include",         T_INCLUDE          },
        { "#include",        T_INCLUDE          },
        { "includedefault",  T_INCLUDEDEFAULT   },
        { "#includedefault", T_INCLUDEDEFAULT   },
        { "define",          T_DEFINE           },
        { "#define",         T_DEFINE           },

        // deprecated style
        { "definetexture",   T_DEFINETEXTURE    },
        { "defineskybox",    T_DEFINESKYBOX     },
        { "definetint",      T_DEFINETINT       },
        { "definemodel",     T_DEFINEMODEL      },
        { "definemodelframe",T_DEFINEMODELFRAME },
        { "definemodelanim", T_DEFINEMODELANIM  },
        { "definemodelskin", T_DEFINEMODELSKIN  },
        { "selectmodelskin", T_SELECTMODELSKIN  },
        { "definevoxel",     T_DEFINEVOXEL      },
        { "definevoxeltiles",T_DEFINEVOXELTILES },

        // new style
        { "model",           T_MODEL            },
        { "voxel",           T_VOXEL            },
        { "skybox",          T_SKYBOX           },
        { "highpalookup",    T_HIGHPALOOKUP     },
        { "tint",            T_TINT             },
        { "makepalookup",    T_MAKEPALOOKUP     },
        { "texture",         T_TEXTURE          },
        { "tile",            T_TEXTURE          },
        { "music",           T_MUSIC            },
        { "sound",           T_SOUND            },
        { "animsounds",      T_ANIMSOUNDS       },  // dummy
        { "nofloorpalrange", T_NOFLOORPALRANGE  },  // dummy
        { "texhitscanrange", T_TEXHITSCANRANGE  },
        { "nofullbrightrange", T_NOFULLBRIGHTRANGE },
        // other stuff
        { "undefmodel",      T_UNDEFMODEL       },
        { "undefmodelrange", T_UNDEFMODELRANGE  },
        { "undefmodelof",    T_UNDEFMODELOF     },
        { "undeftexture",    T_UNDEFTEXTURE     },
        { "undeftexturerange", T_UNDEFTEXTURERANGE },
        { "alphahack",	     T_ALPHAHACK 		},
        { "alphahackrange",  T_ALPHAHACKRANGE 	},
        { "spritecol",	     T_SPRITECOL 		},
        { "2dcol",	     	 T_2DCOL 			},
        { "fogpal",	     	 T_FOGPAL	 		},
        { "loadgrp",     	 T_LOADGRP	 		},
        { "dummytile",     	 T_DUMMYTILE		},
        { "dummytilerange",  T_DUMMYTILERANGE   },
        { "setuptile",       T_SETUPTILE        },
        { "setuptilerange",  T_SETUPTILERANGE   },
        { "animtilerange",   T_ANIMTILERANGE    },
        { "cachesize",       T_CACHESIZE        },
        { "dummytilefrompic",T_IMPORTTILE       },
        { "tilefromtexture", T_TILEFROMTEXTURE  },
        { "mapinfo",         T_MAPINFO          },  // dummy
        { "echo",            T_ECHO             },
    };

    while (1)
    {
#ifdef USE_DEF_PROGRESS
        if (++iter >= 50)
        {
            flushlogwindow = 1;
            initprintf(".");
            flushlogwindow = 0;
            iter = 0;
        }
#endif
        if (quitevent) return 0;
        tokn = getatoken(script,basetokens,sizeof(basetokens)/sizeof(tokenlist));
        cmdtokptr = script->ltextptr;
        switch (tokn)
        {
        case T_ERROR:
            initprintf("\nError on line %s:%d.", script->filename,scriptfile_getlinum(script,cmdtokptr));
            break;
        case T_EOF:
            return(0);
        case T_INCLUDE:
        {
            char *fn;
            if (!scriptfile_getstring(script,&fn))
                defsparser_include(fn, script, cmdtokptr);
            break;
        }
        case T_INCLUDEDEFAULT:
        {
            defsparser_include(G_DefaultDefFile(), script, cmdtokptr);
            break;
        }
        case T_DEFINE:
        {
            char *name;
            int32_t number;

            if (scriptfile_getstring(script,&name)) break;
            if (scriptfile_getsymbol(script,&number)) break;

            if (scriptfile_addsymbolvalue(name,number) < 0)
                initprintf("\nWarning: Symbol %s was NOT redefined to %d on line %s:%d",
                           name,number,script->filename,scriptfile_getlinum(script,cmdtokptr));
            break;
        }

        // OLD (DEPRECATED) DEFINITION SYNTAX
        case T_DEFINETEXTURE:
        {
            int32_t tile,pal,fnoo;
            char *fn;

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getsymbol(script,&pal))  break;
            if (scriptfile_getnumber(script,&fnoo)) break; //x-center
            if (scriptfile_getnumber(script,&fnoo)) break; //y-center
            if (scriptfile_getnumber(script,&fnoo)) break; //x-size
            if (scriptfile_getnumber(script,&fnoo)) break; //y-size
            if (scriptfile_getstring(script,&fn))  break;

            if (check_file_exist(fn))
                break;

#ifdef USE_OPENGL
            hicsetsubsttex(tile,pal,fn,-1.0,1.0,1.0,1.0,1.0,0);
#endif
        }
        break;
        case T_DEFINESKYBOX:
        {
            int32_t tile,pal,i;
            char *fn[6],happy=1;

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getsymbol(script,&pal)) break;
            if (scriptfile_getsymbol(script,&i)) break; //future expansion
            for (i=0; i<6; i++)
            {
                if (scriptfile_getstring(script,&fn[i])) break; //grab the 6 faces

                if (check_file_exist(fn[i]))
                    happy = 0;
            }
            if (i < 6 || !happy) break;
#ifdef USE_OPENGL
            hicsetskybox(tile,pal,fn);
#endif
        }
        break;
        case T_DEFINETINT:
        {
            int32_t pal, r,g,b,f;

            if (scriptfile_getsymbol(script,&pal)) break;
            if (scriptfile_getnumber(script,&r)) break;
            if (scriptfile_getnumber(script,&g)) break;
            if (scriptfile_getnumber(script,&b)) break;
            if (scriptfile_getnumber(script,&f)) break; //effects
#ifdef USE_OPENGL
            hicsetpalettetint(pal,r,g,b,f);
#endif
        }
        break;
        case T_ALPHAHACK:
        {
            int32_t tile;
            double alpha;

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getdouble(script,&alpha)) break;
#ifdef USE_OPENGL
            if ((uint32_t)tile < MAXTILES)
                alphahackarray[tile] = alpha;
#endif
        }
        break;
        case T_ALPHAHACKRANGE:
        {
            int32_t tilenume1,tilenume2;
            double alpha;
#ifdef USE_OPENGL
            int32_t i;
#endif

            if (scriptfile_getsymbol(script,&tilenume1)) break;
            if (scriptfile_getsymbol(script,&tilenume2)) break;
            if (scriptfile_getdouble(script,&alpha)) break;

            if (check_tile_range("alphahackrange", &tilenume1, &tilenume2, script, cmdtokptr))
                break;

#ifdef USE_OPENGL
            for (i=tilenume1; i<=tilenume2; i++)
                alphahackarray[i] = alpha;
#endif
        }
        break;
        case T_SPRITECOL:
        {
            int32_t tile,col,col2;

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getnumber(script,&col)) break;
            if (scriptfile_getnumber(script,&col2)) break;
            if ((uint32_t)tile < MAXTILES)
            {
                spritecol2d[tile][0] = col;
                spritecol2d[tile][1] = col2;
            }
        }
        break;
        case T_2DCOL:
        {
            int32_t col,b,g,r;

            if (scriptfile_getnumber(script,&col)) break;
            if (scriptfile_getnumber(script,&r)) break;
            if (scriptfile_getnumber(script,&g)) break;
            if (scriptfile_getnumber(script,&b)) break;

            if ((unsigned)col < 256)
            {
                vgapal16[col*4+0] = b; // blue
                vgapal16[col*4+1] = g; // green
                vgapal16[col*4+2] = r; // red
            }
        }
        break;
        case T_FOGPAL:
        {
            int32_t p,r,g,b;

            if (scriptfile_getnumber(script,&p)) break;
            if (scriptfile_getnumber(script,&r)) break;
            if (scriptfile_getnumber(script,&g)) break;
            if (scriptfile_getnumber(script,&b)) break;

            r = clamp(r, 0, 63);
            g = clamp(g, 0, 63);
            b = clamp(b, 0, 63);

            makepalookup(p, NULL, r, g, b, 1);
        }
        break;
        case T_LOADGRP:
        {
            char *bs;
            scriptfile_getstring(script,&bs);
        }
        break;
        case T_CACHESIZE:
        {
            int32_t j;

            if (scriptfile_getnumber(script,&j)) break;
        }
        break;
        case T_SETUPTILE:
        {
            int32_t tile, tmp;

            if (scriptfile_getsymbol(script,&tile)) break;
            if (tile >= MAXTILES)break;
            if (scriptfile_getsymbol(script,&h_xsize[tile])) break;  // XXX
            if (scriptfile_getsymbol(script,&h_ysize[tile])) break;
            if (scriptfile_getsymbol(script,&tmp)) break;
            h_xoffs[tile]=tmp;
            if (scriptfile_getsymbol(script,&tmp)) break;
            h_yoffs[tile]=tmp;
            break;
        }
        case T_SETUPTILERANGE:
        {
            int32_t tile1,tile2,xsiz,ysiz,xoffs,yoffs,i;

            if (scriptfile_getnumber(script,&tile1)) break;
            if (scriptfile_getnumber(script,&tile2)) break;
            if (scriptfile_getnumber(script,&xsiz)) break;
            if (scriptfile_getnumber(script,&ysiz)) break;
            if (scriptfile_getsymbol(script,&xoffs)) break;
            if (scriptfile_getsymbol(script,&yoffs)) break;

            if (check_tile_range("setuptilerange", &tile1, &tile2, script, cmdtokptr))
                break;

            for (i=tile1; i<=tile2; i++)
            {
                h_xsize[i] = xsiz;
                h_ysize[i] = ysiz;
                h_xoffs[i] = xoffs;
                h_yoffs[i] = yoffs;
            }

            break;
        }
        case T_ANIMTILERANGE:
        {
            int32_t tile1, tile2, spd, type;

            if (scriptfile_getsymbol(script,&tile1)) break;
            if (scriptfile_getsymbol(script,&tile2)) break;
            if (scriptfile_getsymbol(script,&spd)) break;
            if (scriptfile_getsymbol(script,&type)) break;

            if (check_tile_range("animtilerange", &tile1, &tile2, script, cmdtokptr))
                break;

            if (tile2-tile1 > 255)
            {
                initprintf("\nError: animtilerange: tile difference can be at most 255 on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
                break;
            }

            spd = clamp(spd, 0, 15);
            if (type&~3)
            {
                initprintf("\nError: animtilerange: animation type must be 0, 1, 2 or 3 on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
            }

            // set anim speed
            picanm[tile1].sf &= ~PICANM_ANIMSPEED_MASK;
            picanm[tile1].sf |= spd;
            // set anim type
            picanm[tile1].sf &= ~PICANM_ANIMTYPE_MASK;
            picanm[tile1].sf |= type<<PICANM_ANIMTYPE_SHIFT;
            // set anim number
            picanm[tile1].num = tile2-tile1;

            break;
        }
        case T_TILEFROMTEXTURE:
        {
            char *texturetokptr = script->ltextptr, *textureend, *fn = NULL;
            int32_t tile=-1;
            int32_t alphacut = 255, texhitscan=0, nofullbright=0;
            int32_t xoffset = 0, yoffset = 0;

            static const tokenlist tilefromtexturetokens[] =
            {
                { "file",            T_FILE },
                { "name",            T_FILE },
                { "alphacut",        T_ALPHACUT },
                { "xoffset",         T_XOFFSET },
                { "xoff",            T_XOFFSET },
                { "yoffset",         T_YOFFSET },
                { "yoff",            T_YOFFSET },
                { "texhitscan",      T_TEXHITSCAN },
                { "nofullbright",    T_NOFULLBRIGHT },
            };

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getbraces(script,&textureend)) break;
            while (script->textptr < textureend)
            {
                int32_t token = getatoken(script,tilefromtexturetokens,sizeof(tilefromtexturetokens)/sizeof(tokenlist));
                switch (token)
                {
                case T_FILE:
                    scriptfile_getstring(script,&fn); break;
                case T_ALPHACUT:
                    scriptfile_getsymbol(script,&alphacut); break;
                case T_XOFFSET:
                    scriptfile_getsymbol(script,&xoffset); break;
                case T_YOFFSET:
                    scriptfile_getsymbol(script,&yoffset); break;
                case T_TEXHITSCAN:
                    texhitscan = 1;
                    break;
                default:
                    break;
                }
            }

            if ((unsigned)tile >= MAXTILES)
            {
                initprintf("\nError: missing or invalid 'tile number' for texture definition near line %s:%d",
                           script->filename, scriptfile_getlinum(script,texturetokptr));
                break;
            }

            if (!fn)
            {
                // filefromtexture <tile> { texhitscan }  sets the bit but doesn't change tile data
                if (texhitscan)
                    picanm[tile].sf |= PICANM_TEXHITSCAN_BIT;
                if (nofullbright)
                    picanm[tile].sf |= PICANM_NOFULLBRIGHT_BIT;

                if (!texhitscan && !nofullbright)
                    initprintf("\nError: missing 'file name' for tilefromtexture definition near line %s:%d",
                               script->filename, scriptfile_getlinum(script,texturetokptr));
                break;
            }

            if (check_file_exist(fn))
                break;

            alphacut = clamp(alphacut, 0, 255);

            {
                int32_t xsiz, ysiz, j;
                palette_t *picptr = NULL;

                kpzload(fn, (intptr_t *)&picptr, &j, &xsiz, &ysiz);
//                initprintf("\ngot bpl %d xsiz %d ysiz %d",bpl,xsiz,ysiz);

                if (!picptr)
                    break;

                if (xsiz <= 0 || ysiz <= 0)
                    break;

                set_tilesiz(tile, xsiz, ysiz);
                picanm[tile].xofs = clamp(xoffset, -128, 127);
                picanm[tile].yofs = clamp(yoffset, -128, 127);
                if (texhitscan)
                    picanm[tile].sf |= PICANM_TEXHITSCAN_BIT;
                if (nofullbright)
                    picanm[tile].sf |= PICANM_NOFULLBRIGHT_BIT;

                tile_from_truecolpic(tile, picptr, alphacut);

                Bfree(picptr);
            }
        }
        break;
        case T_IMPORTTILE:
        {
            int32_t tile, xsiz, ysiz;
            palette_t *picptr = NULL;
            int32_t bpl;
            char *fn;

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getstring(script,&fn))  break;

            kpzload(fn, (intptr_t *)&picptr, &bpl, &xsiz, &ysiz);
//            initprintf("\ngot bpl %d xsiz %d ysiz %d",bpl,xsiz,ysiz);

            if (!picptr)
                break;  // TODO: message

            if (xsiz <= 0 || ysiz <= 0)  // XXX: kpzload isn't robust against that!
                break;

            if (check_tile("importtile", &tile, script, cmdtokptr))
                break;

            set_tilesiz(tile, xsiz, ysiz);
            Bmemset(&picanm[tile], 0, sizeof(picanm_t));

            tile_from_truecolpic(tile, picptr, 255);

            Bfree(picptr);
            break;
        }
        case T_DUMMYTILE:
        {
            int32_t tile, xsiz, ysiz;

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getsymbol(script,&xsiz)) break;
            if (scriptfile_getsymbol(script,&ysiz)) break;

            if (xsiz > 0 && ysiz > 0)
            {
                set_tilesiz(tile, xsiz, ysiz);
                Bmemset(&picanm[tile], 0, sizeof(picanm_t));
                faketilesiz[tile] = -1;
            }

            break;
        }
        case T_DUMMYTILERANGE:
        {
            int32_t tile1,tile2,xsiz,ysiz,i;

            if (scriptfile_getnumber(script,&tile1)) break;
            if (scriptfile_getnumber(script,&tile2)) break;
            if (scriptfile_getnumber(script,&xsiz)) break;
            if (scriptfile_getnumber(script,&ysiz)) break;

            if (check_tile_range("dummytilerange", &tile1, &tile2, script, cmdtokptr))
                break;

            if (xsiz <= 0 || ysiz <= 0)
                break;  // TODO: message

            for (i=tile1; i<=tile2; i++)
            {
                set_tilesiz(i, xsiz, ysiz);
                Bmemset(&picanm[i], 0, sizeof(picanm_t));
                faketilesiz[i] = -1;
            }

            break;
        }

        case T_DEFINEMODEL:
        {
            char *modelfn;
            double scale;
            int32_t shadeoffs;

            if (scriptfile_getstring(script,&modelfn)) break;
            if (scriptfile_getdouble(script,&scale)) break;
            if (scriptfile_getnumber(script,&shadeoffs)) break;

#ifdef USE_OPENGL
            lastmodelid = md_loadmodel(modelfn);
            if (lastmodelid < 0)
            {
                initprintf("\nWarning: Failed loading MD2/MD3 model \"%s\"", modelfn);
                break;
            }
            md_setmisc(lastmodelid,(float)scale, shadeoffs,0.0,0.0,0);
# ifdef POLYMER
            if (glrendmode == REND_POLYMER)
                md3postload_polymer((md3model_t *)models[lastmodelid]);
# endif
#endif
            modelskin = lastmodelskin = 0;
            seenframe = 0;
        }
        break;
        case T_DEFINEMODELFRAME:
        {
            char *framename;
#ifdef USE_OPENGL
            char happy=1;
            int32_t tilex;
#endif
            int32_t ftilenume, ltilenume;

            if (scriptfile_getstring(script,&framename)) break;
            if (scriptfile_getnumber(script,&ftilenume)) break; //first tile number
            if (scriptfile_getnumber(script,&ltilenume)) break; //last tile number (inclusive)

            if (check_tile_range("definemodelframe", &ftilenume, &ltilenume, script, cmdtokptr))
                break;

            if (lastmodelid < 0)
            {
#ifdef USE_OPENGL
                initprintf("\nWarning: Ignoring frame definition.");
#endif
                break;
            }
#ifdef USE_OPENGL
            for (tilex = ftilenume; tilex <= ltilenume && happy; tilex++)
            {
                switch (md_defineframe(lastmodelid, framename, tilex, max(0,modelskin), 0.0f,0))
                {
                case -1:
                    happy = 0; break; // invalid model id!?
                case -2:
                    initprintf("\nInvalid tile number on line %s:%d",
                               script->filename, scriptfile_getlinum(script,cmdtokptr));
                    happy = 0;
                    break;
                case -3:
                    initprintf("\nInvalid frame name on line %s:%d",
                               script->filename, scriptfile_getlinum(script,cmdtokptr));
                    happy = 0;
                    break;
                default:
                    break;
                }
            }
#endif
            seenframe = 1;
        }
        break;
        case T_DEFINEMODELANIM:
        {
            char *startframe, *endframe;
            int32_t flags;
            double dfps;

            if (scriptfile_getstring(script,&startframe)) break;
            if (scriptfile_getstring(script,&endframe)) break;
            if (scriptfile_getdouble(script,&dfps)) break; //animation frame rate
            if (scriptfile_getnumber(script,&flags)) break;

            if (lastmodelid < 0)
            {
#ifdef USE_OPENGL
                initprintf("\nWarning: Ignoring animation definition.");
#endif
                break;
            }
#ifdef USE_OPENGL
            switch (md_defineanimation(lastmodelid, startframe, endframe, (int32_t)(dfps*(65536.0*.001)), flags))
            {
            case 0:
                break;
            case -1:
                break; // invalid model id!?
            case -2:
                initprintf("\nInvalid starting frame name on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
                break;
            case -3:
                initprintf("\nInvalid ending frame name on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
                break;
            case -4:
                initprintf("\nOut of memory on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
                break;
            }
#endif
        }
        break;
        case T_DEFINEMODELSKIN:
        {
            int32_t palnum;
            char *skinfn;

            if (scriptfile_getsymbol(script,&palnum)) break;
            if (scriptfile_getstring(script,&skinfn)) break; //skin filename

            // if we see a sequence of definemodelskin, then a sequence of definemodelframe,
            // and then a definemodelskin, we need to increment the skin counter.
            //
            // definemodel "mymodel.md2" 1 1
            // definemodelskin 0 "normal.png"   // skin 0
            // definemodelskin 21 "normal21.png"
            // definemodelframe "foo" 1000 1002   // these use skin 0
            // definemodelskin 0 "wounded.png"   // skin 1
            // definemodelskin 21 "wounded21.png"
            // definemodelframe "foo2" 1003 1004   // these use skin 1
            // selectmodelskin 0         // resets to skin 0
            // definemodelframe "foo3" 1005 1006   // these use skin 0
            if (seenframe) { modelskin = ++lastmodelskin; }
            seenframe = 0;

            if (check_file_exist(skinfn))
                break;

#ifdef USE_OPENGL
            switch (md_defineskin(lastmodelid, skinfn, palnum, max(0,modelskin), 0, 0.0f, 1.0f, 1.0f))
            {
            case 0:
                break;
            case -1:
                break; // invalid model id!?
            case -2:
                initprintf("\nInvalid skin filename on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
                break;
            case -3:
                initprintf("\nInvalid palette number on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
                break;
            case -4:
                initprintf("\nOut of memory on line %s:%d",
                           script->filename, scriptfile_getlinum(script,cmdtokptr));
                break;
            }
#endif
        }
        break;
        case T_SELECTMODELSKIN:
        {
            if (scriptfile_getsymbol(script,&modelskin)) break;
        }
        break;
        case T_DEFINEVOXEL:
        {
            char *fn;

            if (scriptfile_getstring(script,&fn)) break; //voxel filename

            if (nextvoxid == MAXVOXELS)
            {
                initprintf("\nMaximum number of voxels already defined.");
                break;
            }

            if (qloadkvx(nextvoxid, fn))
            {
                initprintf("\nFailure loading voxel file \"%s\"",fn);
                break;
            }

            lastvoxid = nextvoxid++;
        }
        break;
        case T_DEFINEVOXELTILES:
        {
            int32_t ftilenume, ltilenume, tilex;

            if (scriptfile_getnumber(script,&ftilenume)) break; //1st tile #
            if (scriptfile_getnumber(script,&ltilenume)) break; //last tile #

            if (check_tile_range("definevoxeltiles", &ftilenume, &ltilenume, script, cmdtokptr))
                break;

            if (lastvoxid < 0)
            {
                initprintf("\nWarning: Ignoring voxel tiles definition.");
                break;
            }

            for (tilex = ftilenume; tilex <= ltilenume; tilex++)
                tiletovox[tilex] = lastvoxid;
        }
        break;

        // NEW (ENCOURAGED) DEFINITION SYNTAX
        case T_MODEL:
        {
            char *modelend, *modelfn;
            double scale=1.0, mzadd=0.0, myoffset=0.0;
            int32_t shadeoffs=0, pal=0, flags=0;
            uint8_t usedframebitmap[1024>>3];

            int32_t model_ok = 1;

            static const tokenlist modeltokens[] =
            {
                { "scale",    T_SCALE    },
                { "shade",    T_SHADE    },
                { "zadd",     T_ZADD     },
                { "yoffset",  T_YOFFSET  },
                { "frame",    T_FRAME    },
                { "anim",     T_ANIM     },
                { "skin",     T_SKIN     },
                { "detail",   T_DETAIL   },
                { "glow",     T_GLOW     },
                { "specular", T_SPECULAR },
                { "normal",   T_NORMAL   },
                { "hud",      T_HUD      },
                { "flags",    T_FLAGS    },
            };

            Bmemset(usedframebitmap, 0, sizeof(usedframebitmap));

            modelskin = lastmodelskin = 0;
            seenframe = 0;

            if (scriptfile_getstring(script,&modelfn)) break;
            if (scriptfile_getbraces(script,&modelend)) break;
#ifdef USE_OPENGL
            lastmodelid = md_loadmodel(modelfn);
            if (lastmodelid < 0)
            {
                initprintf("\nWarning: Failed loading MD2/MD3 model \"%s\"", modelfn);
                script->textptr = modelend+1;
                break;
            }
#endif
            while (script->textptr < modelend)
            {
                int32_t token = getatoken(script,modeltokens,sizeof(modeltokens)/sizeof(tokenlist));
                switch (token)
                {
                    //case T_ERROR: initprintf("\nError on line %s:%d in model tokens", script->filename,script->linenum); break;
                case T_SCALE:
                    scriptfile_getdouble(script,&scale); break;
                case T_SHADE:
                    scriptfile_getnumber(script,&shadeoffs); break;
                case T_ZADD:
                    scriptfile_getdouble(script,&mzadd); break;
                case T_YOFFSET:
                    scriptfile_getdouble(script,&myoffset); break;
                case T_FLAGS:
                    scriptfile_getnumber(script,&flags); break;
                case T_FRAME:
                {
                    char *frametokptr = script->ltextptr;
                    char *frameend, *framename = 0;
#ifdef USE_OPENGL
                    char happy=1;
                    int32_t tilex = 0, framei;
#endif
                    int32_t ftilenume = -1, ltilenume = -1;
                    double smoothduration = 0.1f;

                    static const tokenlist modelframetokens[] =
                    {
                        { "pal",              T_PAL               },
                        { "frame",            T_FRAME             },
                        { "name",             T_FRAME             },
                        { "tile",             T_TILE              },
                        { "tile0",            T_TILE0             },
                        { "tile1",            T_TILE1             },
                        { "smoothduration",   T_SMOOTHDURATION    },
                    };

                    if (scriptfile_getbraces(script,&frameend)) break;
                    while (script->textptr < frameend)
                    {
                        switch (getatoken(script,modelframetokens,sizeof(modelframetokens)/sizeof(tokenlist)))
                        {
                        case T_PAL:
                            scriptfile_getnumber(script,&pal); break;
                        case T_FRAME:
                            scriptfile_getstring(script,&framename); break;
                        case T_TILE:
                            scriptfile_getsymbol(script,&ftilenume); ltilenume = ftilenume; break;
                        case T_TILE0:
                            scriptfile_getsymbol(script,&ftilenume); break; //first tile number
                        case T_TILE1:
                            scriptfile_getsymbol(script,&ltilenume); break; //last tile number (inclusive)
                        case T_SMOOTHDURATION:
                            scriptfile_getdouble(script,&smoothduration); break;
                        }
                    }

                    if (check_tile_range("model: frame", &ftilenume, &ltilenume, script, frametokptr))
                    {
                        model_ok = 0;
                        break;
                    }

                    if (lastmodelid < 0)
                    {
#ifdef USE_OPENGL
                        initprintf("\nWarning: Ignoring frame definition.");
#endif
                        break;
                    }
#ifdef USE_OPENGL
                    for (tilex = ftilenume; tilex <= ltilenume && happy; tilex++)
                    {
                        framei = md_defineframe(lastmodelid, framename, tilex, max(0,modelskin), smoothduration,pal);
                        switch (framei)
                        {
                        case -1:
                            happy = 0; break; // invalid model id!?
                        case -2:
                            initprintf("\nInvalid tile number on line %s:%d",
                                       script->filename, scriptfile_getlinum(script,frametokptr));
                            happy = 0;
                            break;
                        case -3:
                            initprintf("\nInvalid frame name on line %s:%d",
                                       script->filename, scriptfile_getlinum(script,frametokptr));
                            happy = 0;
                            break;
                        default:
                            if (framei >= 0 && framei<1024)
                                usedframebitmap[framei>>3] |= (1<<(framei&7));
                        }

                        model_ok &= happy;
                    }
#endif
                    seenframe = 1;
                }
                break;
                case T_ANIM:
                {
                    char *animtokptr = script->ltextptr;
                    char *animend, *startframe = 0, *endframe = 0, happy=1;
                    int32_t flags = 0;
                    double dfps = 1.0;

                    static const tokenlist modelanimtokens[] =
                    {
                        { "frame0", T_FRAME0 },
                        { "frame1", T_FRAME1 },
                        { "fps",    T_FPS    },
                        { "flags",  T_FLAGS  },
                    };

                    if (scriptfile_getbraces(script,&animend)) break;
                    while (script->textptr < animend)
                    {
                        switch (getatoken(script,modelanimtokens,sizeof(modelanimtokens)/sizeof(tokenlist)))
                        {
                        case T_FRAME0:
                            scriptfile_getstring(script,&startframe); break;
                        case T_FRAME1:
                            scriptfile_getstring(script,&endframe); break;
                        case T_FPS:
                            scriptfile_getdouble(script,&dfps); break; //animation frame rate
                        case T_FLAGS:
                            scriptfile_getsymbol(script,&flags); break;
                        }
                    }

                    if (!startframe) initprintf("\nError: missing 'start frame' for anim definition near line %s:%d", script->filename, scriptfile_getlinum(script,animtokptr)), happy = 0;
                    if (!endframe) initprintf("\nError: missing 'end frame' for anim definition near line %s:%d", script->filename, scriptfile_getlinum(script,animtokptr)), happy = 0;
                    model_ok &= happy;
                    if (!happy) break;

                    if (lastmodelid < 0)
                    {
#ifdef USE_OPENGL
                        initprintf("\nWarning: Ignoring animation definition.");
#endif
                        break;
                    }
#ifdef USE_OPENGL
                    switch (md_defineanimation(lastmodelid, startframe, endframe, (int32_t)(dfps*(65536.0*.001)), flags))
                    {
                    case 0:
                        break;
                    case -1:
                        break; // invalid model id!?
                    case -2:
                        initprintf("\nInvalid starting frame name on line %s:%d",
                                   script->filename, scriptfile_getlinum(script,animtokptr));
                        model_ok = 0;
                        break;
                    case -3:
                        initprintf("\nInvalid ending frame name on line %s:%d",
                                   script->filename, scriptfile_getlinum(script,animtokptr));
                        model_ok = 0;
                        break;
                    case -4:
                        initprintf("\nOut of memory on line %s:%d",
                                   script->filename, scriptfile_getlinum(script,animtokptr));
                        model_ok = 0;
                        break;
                    }
#endif
                }
                break;
                case T_SKIN: case T_DETAIL: case T_GLOW: case T_SPECULAR: case T_NORMAL:
                {
                    char *skintokptr = script->ltextptr;
                    char *skinend, *skinfn = 0;
                    int32_t palnum = 0, surfnum = 0;
                    double param = 1.0, specpower = 1.0, specfactor = 1.0;

                    static const tokenlist modelskintokens[] =
                    {
                        { "pal",           T_PAL        },
                        { "file",          T_FILE       },
                        { "surf",          T_SURF       },
                        { "surface",       T_SURF       },
                        { "intensity",     T_PARAM      },
                        { "scale",         T_PARAM      },
                        { "detailscale",   T_PARAM      },
                        { "specpower",     T_SPECPOWER  }, { "specularpower",  T_SPECPOWER  }, { "parallaxscale", T_SPECPOWER },
                        { "specfactor",    T_SPECFACTOR }, { "specularfactor", T_SPECFACTOR }, { "parallaxbias", T_SPECFACTOR },
                    };

                    if (scriptfile_getbraces(script,&skinend)) break;
                    while (script->textptr < skinend)
                    {
                        switch (getatoken(script,modelskintokens,sizeof(modelskintokens)/sizeof(tokenlist)))
                        {
                        case T_PAL:
                            scriptfile_getsymbol(script,&palnum); break;
                        case T_PARAM:
                            scriptfile_getdouble(script,&param); break;
                        case T_SPECPOWER:
                            scriptfile_getdouble(script,&specpower); break;
                        case T_SPECFACTOR:
                            scriptfile_getdouble(script,&specfactor); break;
                        case T_FILE:
                            scriptfile_getstring(script,&skinfn); break; //skin filename
                        case T_SURF:
                            scriptfile_getnumber(script,&surfnum); break;
                        }
                    }

                    if (!skinfn)
                    {
                        initprintf("\nError: missing 'skin filename' for skin definition near line %s:%d", script->filename, scriptfile_getlinum(script,skintokptr));
                        model_ok = 0;
                        break;
                    }

                    if (seenframe) { modelskin = ++lastmodelskin; }
                    seenframe = 0;

                    switch (token)
                    {
                    case T_DETAIL:
                        palnum = DETAILPAL;
                        param = 1.0f / param;
                        break;
                    case T_GLOW:
                        palnum = GLOWPAL;
                        break;
                    case T_SPECULAR:
                        palnum = SPECULARPAL;
                        break;
                    case T_NORMAL:
                        palnum = NORMALPAL;
                        break;
                    }

                    if (check_file_exist(skinfn))
                        break;

#ifdef USE_OPENGL
                    switch (md_defineskin(lastmodelid, skinfn, palnum, max(0,modelskin), surfnum, param, specpower, specfactor))
                    {
                    case 0:
                        break;
                    case -1:
                        break; // invalid model id!?
                    case -2:
                        initprintf("\nInvalid skin filename on line %s:%d",
                                   script->filename, scriptfile_getlinum(script,skintokptr));
                        model_ok = 0;
                        break;
                    case -3:
                        initprintf("\nInvalid palette number on line %s:%d",
                                   script->filename, scriptfile_getlinum(script,skintokptr));
                        model_ok = 0;
                        break;
                    case -4:
                        initprintf("\nOut of memory on line %s:%d",
                                   script->filename, scriptfile_getlinum(script,skintokptr));
                        model_ok = 0;
                        break;
                    }
#endif
                }
                break;
                case T_HUD:
                {
                    char *hudtokptr = script->ltextptr;
                    char *frameend;
#ifdef USE_OPENGL
                    char happy=1;
                    int32_t tilex = 0;
#endif
                    int32_t ftilenume = -1, ltilenume = -1, flags = 0, fov = -1;
                    double xadd = 0.0, yadd = 0.0, zadd = 0.0, angadd = 0.0;

                    static const tokenlist modelhudtokens[] =
                    {
                        { "tile",   T_TILE   },
                        { "tile0",  T_TILE0  },
                        { "tile1",  T_TILE1  },
                        { "xadd",   T_XADD   },
                        { "yadd",   T_YADD   },
                        { "zadd",   T_ZADD   },
                        { "angadd", T_ANGADD },
                        { "fov",    T_FOV    },
                        { "hide",   T_HIDE   },
                        { "nobob",  T_NOBOB  },
                        { "flipped",T_FLIPPED},
                        { "nodepth",T_NODEPTH},
                    };

                    if (scriptfile_getbraces(script,&frameend)) break;
                    while (script->textptr < frameend)
                    {
                        switch (getatoken(script,modelhudtokens,sizeof(modelhudtokens)/sizeof(tokenlist)))
                        {
                        case T_TILE:
                            scriptfile_getsymbol(script,&ftilenume); ltilenume = ftilenume; break;
                        case T_TILE0:
                            scriptfile_getsymbol(script,&ftilenume); break; //first tile number
                        case T_TILE1:
                            scriptfile_getsymbol(script,&ltilenume); break; //last tile number (inclusive)
                        case T_XADD:
                            scriptfile_getdouble(script,&xadd); break;
                        case T_YADD:
                            scriptfile_getdouble(script,&yadd); break;
                        case T_ZADD:
                            scriptfile_getdouble(script,&zadd); break;
                        case T_ANGADD:
                            scriptfile_getdouble(script,&angadd); break;
                        case T_FOV:
                            scriptfile_getsymbol(script,&fov); break;
                        case T_HIDE:
                            flags |= 1; break;
                        case T_NOBOB:
                            flags |= 2; break;
                        case T_FLIPPED:
                            flags |= 4; break;
                        case T_NODEPTH:
                            flags |= 8; break;
                        }
                    }

                    if (check_tile_range("hud", &ftilenume, &ltilenume, script, hudtokptr))
                    {
                        model_ok = 0;
                        break;
                    }

                    if (lastmodelid < 0)
                    {
#ifdef USE_OPENGL
                        initprintf("\nWarning: Ignoring frame definition.");
#endif
                        break;
                    }
#ifdef USE_OPENGL
                    for (tilex = ftilenume; tilex <= ltilenume && happy; tilex++)
                    {
                        switch (md_definehud(lastmodelid, tilex, xadd, yadd, zadd, angadd, flags, fov))
                        {
                        case 0:
                            break;
                        case -1:
                            happy = 0; break; // invalid model id!?
                        case -2:
                            initprintf("\nInvalid tile number on line %s:%d",
                                       script->filename, scriptfile_getlinum(script,hudtokptr));
                            happy = 0;
                            break;
                        case -3:
                            initprintf("\nInvalid frame name on line %s:%d",
                                       script->filename, scriptfile_getlinum(script,hudtokptr));
                            happy = 0;
                            break;
                        }

                        model_ok &= happy;
                    }
#endif
                }
                break;
                }
            }

#ifdef USE_OPENGL
            if (!model_ok)
            {
                if (lastmodelid >= 0)
                {
                    initprintf("\nRemoving model %d due to errors.", lastmodelid);
                    md_undefinemodel(lastmodelid);
                    nextmodelid--;
                }
                break;
            }

            md_setmisc(lastmodelid,(float)scale,shadeoffs,(float)mzadd,(float)myoffset,flags);

            // thin out the loaded model by throwing away unused frames
            // FIXME: CURRENTLY DISABLED: interpolation may access frames we consider 'unused'?
# if 0
            if (models[lastmodelid]->mdnum==3 && ((md3model_t *)models[lastmodelid])->numframes <= 1024)
            {
#  ifdef DEBUG_MODEL_MEM
                md3model_t *m = (md3model_t *)models[lastmodelid];
                int32_t i, onumframes;
                onumframes = m->numframes;
                i =
#  endif
                md_thinoutmodel(lastmodelid, usedframebitmap);
#  ifdef DEBUG_MODEL_MEM
                if (i>=0 && i<onumframes)
                    initprintf("\nused %d/%d frames: %s", i, onumframes, modelfn);
                else if (i<0)
                    initprintf("\nmd_thinoutmodel returned %d: %s", i, modelfn);
#  endif
            }
# endif

            if (glrendmode == REND_POLYMER)
                md3postload_polymer((md3model_t *)models[lastmodelid]);
#endif

            modelskin = lastmodelskin = 0;
            seenframe = 0;

        }
        break;
        case T_VOXEL:
        {
            char *voxeltokptr = script->ltextptr;
            char *fn, *modelend;
            int32_t tile0 = MAXTILES, tile1 = -1, tilex = -1;

            static const tokenlist voxeltokens[] =
            {
                { "tile",   T_TILE   },
                { "tile0",  T_TILE0  },
                { "tile1",  T_TILE1  },
                { "scale",  T_SCALE  },
            };

            if (scriptfile_getstring(script,&fn)) break; //voxel filename
            if (nextvoxid == MAXVOXELS) { initprintf("\nMaximum number of voxels already defined."); break; }
            if (qloadkvx(nextvoxid, fn)) { initprintf("\nFailure loading voxel file \"%s\"",fn); break; }
            lastvoxid = nextvoxid++;

            if (scriptfile_getbraces(script,&modelend)) break;
            while (script->textptr < modelend)
            {
                switch (getatoken(script,voxeltokens,sizeof(voxeltokens)/sizeof(tokenlist)))
                {
                    //case T_ERROR: initprintf("\nError on line %s:%d in voxel tokens", script->filename,linenum); break;
                case T_TILE:
                    scriptfile_getsymbol(script,&tilex);

                    if (check_tile("voxel", &tilex, script, voxeltokptr))
                        break;

                    tiletovox[tilex] = lastvoxid;
                    break;

                case T_TILE0:
                    scriptfile_getsymbol(script,&tile0);
                    break; //1st tile #

                case T_TILE1:
                    scriptfile_getsymbol(script,&tile1);

                    if (check_tile_range("voxel", &tile0, &tile1, script, voxeltokptr))
                        break;

                    for (tilex=tile0; tilex<=tile1; tilex++)
                        tiletovox[tilex] = lastvoxid;
                    break; //last tile number (inclusive)

                case T_SCALE:
                {
                    double scale=1.0;
                    scriptfile_getdouble(script,&scale);
                    voxscale[lastvoxid] = (int32_t)(65536*scale);
#ifdef USE_OPENGL
                    if (voxmodels[lastvoxid])
                        voxmodels[lastvoxid]->scale = scale;
#endif
                    break;
                }
                }
            }
            lastvoxid = -1;
        }
        break;
        case T_SKYBOX:
        {
            char *skyboxtokptr = script->ltextptr;
            char *fn[6] = {0,0,0,0,0,0};
            char *modelend;
            int32_t i, tile = -1, pal = 0, happy = 1;

            static const tokenlist skyboxtokens[] =
            {
                { "tile"   ,T_TILE   },
                { "pal"    ,T_PAL    },
                { "ft"     ,T_FRONT  },{ "front"  ,T_FRONT  },{ "forward",T_FRONT  },
                { "rt"     ,T_RIGHT  },{ "right"  ,T_RIGHT  },
                { "bk"     ,T_BACK   },{ "back"   ,T_BACK   },
                { "lf"     ,T_LEFT   },{ "left"   ,T_LEFT   },{ "lt"     ,T_LEFT   },
                { "up"     ,T_TOP    },{ "top"    ,T_TOP    },{ "ceiling",T_TOP    },{ "ceil"   ,T_TOP    },
                { "dn"     ,T_BOTTOM },{ "bottom" ,T_BOTTOM },{ "floor"  ,T_BOTTOM },{ "down"   ,T_BOTTOM }
            };

            if (scriptfile_getbraces(script,&modelend)) break;
            while (script->textptr < modelend)
            {
                switch (getatoken(script,skyboxtokens,sizeof(skyboxtokens)/sizeof(tokenlist)))
                {
                    //case T_ERROR: initprintf("\nError on line %s:%d in skybox tokens",script->filename,linenum); break;
                case T_TILE:
                    scriptfile_getsymbol(script,&tile); break;
                case T_PAL:
                    scriptfile_getsymbol(script,&pal); break;
                case T_FRONT:
                    scriptfile_getstring(script,&fn[0]); break;
                case T_RIGHT:
                    scriptfile_getstring(script,&fn[1]); break;
                case T_BACK:
                    scriptfile_getstring(script,&fn[2]); break;
                case T_LEFT:
                    scriptfile_getstring(script,&fn[3]); break;
                case T_TOP:
                    scriptfile_getstring(script,&fn[4]); break;
                case T_BOTTOM:
                    scriptfile_getstring(script,&fn[5]); break;
                }
            }

            if (tile < 0) initprintf("\nError: skybox: missing 'tile number' near line %s:%d", script->filename, scriptfile_getlinum(script,skyboxtokptr)), happy=0;
            for (i=0; i<6; i++)
            {
                if (!fn[i]) initprintf("\nError: skybox: missing '%s filename' near line %s:%d", skyfaces[i], script->filename, scriptfile_getlinum(script,skyboxtokptr)), happy = 0;
                // FIXME?
                if (check_file_exist(fn[i]))
                    happy = 0;
            }
            if (!happy) break;

#ifdef USE_OPENGL
            hicsetskybox(tile,pal,fn);
#endif
        }
        break;
        case T_HIGHPALOOKUP:
        {
            char *highpaltokptr = script->ltextptr;
            int32_t basepal=-1, pal=-1;
            char *fn = NULL;
            char *highpalend;
#ifdef POLYMER
            int32_t fd;
            char *highpaldata;
#endif
            static const tokenlist highpaltokens[] =
            {
                { "basepal",   T_BASEPAL },
                { "pal",   T_PAL },
                { "file",  T_FILE }
            };

            if (scriptfile_getbraces(script,&highpalend)) break;
            while (script->textptr < highpalend)
            {
                switch (getatoken(script,highpaltokens,sizeof(highpaltokens)/sizeof(tokenlist)))
                {
                case T_BASEPAL:
                    scriptfile_getsymbol(script,&basepal);   break;
                case T_PAL:
                    scriptfile_getsymbol(script,&pal);   break;
                case T_FILE:
                    scriptfile_getstring(script,&fn); break;
                }
            }
            if ((unsigned)basepal >= ((unsigned)basepalcount))
            {
                initprintf("\nError: missing or invalid 'base palette number' for highpalookup definition "
                           "near line %s:%d", script->filename, scriptfile_getlinum(script,highpaltokptr));
                break;
            }

            if ((unsigned)pal >= MAXPALOOKUPS - RESERVEDPALS)
            {
                initprintf("\nError: missing or invalid 'palette number' for highpalookup definition near "
                           "line %s:%d", script->filename, scriptfile_getlinum(script,highpaltokptr));
                break;
            }

            if (!fn)
            {
                initprintf("\nError: missing 'file name' for highpalookup definition near line %s:%d",
                           script->filename, scriptfile_getlinum(script,highpaltokptr));
                break;
            }

            if (check_file_exist(fn))
                break;

#ifdef POLYMER
            fd = kopen4load(fn, 0);

            // load the highpalookup and send it to polymer
            highpaldata = (char *)Bmalloc(PR_HIGHPALOOKUP_DATA_SIZE);

            {
                char *filebuf;
                int32_t xsiz, ysiz, filesize, i;

                filesize = kfilelength(fd);

                filebuf = (char *)Bmalloc(filesize);
                if (!filebuf) { kclose(fd); Bfree(highpaldata); break; }

                klseek(fd, 0, SEEK_SET);
                if (kread(fd, filebuf, filesize)!=filesize)
                    { kclose(fd); Bfree(highpaldata); initprintf("\nError: didn't read all of \"%s\".", fn); break; }

                kclose(fd);
                kpgetdim(filebuf, filesize, &xsiz, &ysiz);

                if (xsiz != PR_HIGHPALOOKUP_DIM*PR_HIGHPALOOKUP_DIM || ysiz != PR_HIGHPALOOKUP_DIM)
                {
                    initprintf("\nError: image dimensions of \"%s\" must be %dx%d.",
                               fn, PR_HIGHPALOOKUP_DIM*PR_HIGHPALOOKUP_DIM, PR_HIGHPALOOKUP_DIM);
                    Bfree(filebuf); Bfree(highpaldata);
                    break;
                }

                i = kprender(filebuf, filesize, (intptr_t)highpaldata, xsiz*sizeof(coltype), xsiz, ysiz, 0, 0);
                Bfree(filebuf);
                if (i)
                    { Bfree(highpaldata); initprintf("\nError: failed rendering \"%s\".", fn); break; }
            }

            polymer_definehighpalookup(basepal, pal, highpaldata);

            Bfree(highpaldata);
#endif
        }
        break;
        case T_TINT:
        {
            char *tinttokptr = script->ltextptr;
            int32_t red=255, green=255, blue=255, pal=-1, flags=0;
            char *tintend;

            static const tokenlist tinttokens[] =
            {
                { "pal",   T_PAL },
                { "red",   T_RED   },{ "r", T_RED },
                { "green", T_GREEN },{ "g", T_GREEN },
                { "blue",  T_BLUE  },{ "b", T_BLUE },
                { "flags", T_FLAGS }
            };

            if (scriptfile_getbraces(script,&tintend)) break;
            while (script->textptr < tintend)
            {
                switch (getatoken(script,tinttokens,sizeof(tinttokens)/sizeof(tokenlist)))
                {
                case T_PAL:
                    scriptfile_getsymbol(script,&pal);   break;
                case T_RED:
                    scriptfile_getnumber(script,&red);   red   = min(255,max(0,red));   break;
                case T_GREEN:
                    scriptfile_getnumber(script,&green); green = min(255,max(0,green)); break;
                case T_BLUE:
                    scriptfile_getnumber(script,&blue);  blue  = min(255,max(0,blue));  break;
                case T_FLAGS:
                    scriptfile_getsymbol(script,&flags); break;
                }
            }

            if (pal < 0)
            {
                initprintf("\nError: tint: missing 'palette number' near line %s:%d",
                           script->filename, scriptfile_getlinum(script,tinttokptr));
                break;
            }

#ifdef USE_OPENGL
            hicsetpalettetint(pal,red,green,blue,flags);
#endif
        }
        break;
        case T_MAKEPALOOKUP:
        {
            char *const starttokptr = script->ltextptr;
            int32_t red=0, green=0, blue=0, pal=-1;
            int32_t havepal=0, remappal=0;
            char *endtextptr;

            static const tokenlist palookuptokens[] =
            {
                { "pal",   T_PAL },
                { "red",   T_RED   }, { "r", T_RED },
                { "green", T_GREEN }, { "g", T_GREEN },
                { "blue",  T_BLUE  }, { "b", T_BLUE },
                { "remappal", T_REMAPPAL },
                { "remapself", T_REMAPSELF },
            };

            if (scriptfile_getbraces(script,&endtextptr)) break;
            while (script->textptr < endtextptr)
            {
                switch (getatoken(script, palookuptokens, sizeof(palookuptokens)/sizeof(tokenlist)))
                {
                case T_PAL:
                    scriptfile_getsymbol(script, &pal);
                    havepal |= 1;
                    break;
                case T_RED:
                    scriptfile_getnumber(script,&red);
                    red = clamp(red, 0, 63);
                    break;
                case T_GREEN:
                    scriptfile_getnumber(script,&green);
                    green = clamp(green, 0, 63);
                    break;
                case T_BLUE:
                    scriptfile_getnumber(script,&blue);
                    blue = clamp(blue, 0, 63);
                    break;
                case T_REMAPPAL:
                    scriptfile_getsymbol(script,&remappal);
                    if (havepal&(2+4))
                        havepal |= 8;
                    havepal |= 2;
                    break;
                case T_REMAPSELF:
                    if (havepal&(2+4))
                        havepal |= 8;
                    havepal |= 4;
                    break;
                }
            }

            {
                char msgend[BMAX_PATH+64];

                Bsprintf(msgend, "for palookup definition near line %s:%d",
                         script->filename, scriptfile_getlinum(script,starttokptr));

                if ((havepal&1)==0)
                {
                    initprintf("\nError: missing 'palette number' %s", msgend);
                    break;
                }
                else if (pal==0 || (unsigned)pal >= MAXPALOOKUPS-RESERVEDPALS)
                {
                    initprintf("\nError: 'palette number' out of range (1 .. %d) %s",
                               MAXPALOOKUPS-RESERVEDPALS-1, msgend);
                    break;
                }
                else if (havepal&8)
                {
                    // will also disallow multiple remappals or remapselfs
                    initprintf("\nError: must have exactly one of either 'remappal' or 'remapself' %s", msgend);
                    break;
                }
                else if ((havepal&4) && (unsigned)remappal >= MAXPALOOKUPS-RESERVEDPALS)
                {
                    initprintf("\nError: 'remap palette number' out of range (max=%d) %s",
                               MAXPALOOKUPS-RESERVEDPALS-1, msgend);
                    break;
                }

                if (havepal&4)
                    remappal = pal;
            }

            // NOTE: all palookups are initialized, i.e. non-NULL!
            // NOTE2: aliasing (pal==remappal) is OK
            makepalookup(pal, palookup[remappal], red, green, blue, 1);
        }
        break;
        case T_TEXTURE:
        {
            char *texturetokptr = script->ltextptr, *textureend;
            int32_t tile=-1, token;

            static const tokenlist texturetokens[] =
            {
                { "pal",     T_PAL  },
                { "detail",  T_DETAIL },
                { "glow",    T_GLOW },
                { "specular",T_SPECULAR },
                { "normal",  T_NORMAL },
            };

            if (scriptfile_getsymbol(script,&tile)) break;
            if (scriptfile_getbraces(script,&textureend)) break;
            while (script->textptr < textureend)
            {
                token = getatoken(script,texturetokens,sizeof(texturetokens)/sizeof(tokenlist));
                switch (token)
                {
                case T_PAL:
                {
                    char *paltokptr = script->ltextptr, *palend;
                    int32_t pal=-1;
                    char *fn = NULL;
                    double alphacut = -1.0, xscale = 1.0, yscale = 1.0, specpower = 1.0, specfactor = 1.0;
#ifdef USE_OPENGL
                    char flags = 0;
#endif

                    static const tokenlist texturetokens_pal[] =
                    {
                        { "file",            T_FILE },{ "name", T_FILE },
                        { "alphacut",        T_ALPHACUT },
                        { "detailscale",     T_XSCALE }, { "scale",  T_XSCALE }, { "xscale",  T_XSCALE }, { "intensity",  T_XSCALE },
                        { "yscale",          T_YSCALE },
                        { "specpower",       T_SPECPOWER }, { "specularpower", T_SPECPOWER }, { "parallaxscale", T_SPECPOWER },
                        { "specfactor",      T_SPECFACTOR }, { "specularfactor", T_SPECFACTOR }, { "parallaxbias", T_SPECFACTOR },
                        { "nocompress",      T_NOCOMPRESS },
                        { "nodownsize",      T_NODOWNSIZE },
                    };

                    if (scriptfile_getsymbol(script,&pal)) break;
                    if (scriptfile_getbraces(script,&palend)) break;
                    while (script->textptr < palend)
                    {
                        switch (getatoken(script,texturetokens_pal,sizeof(texturetokens_pal)/sizeof(tokenlist)))
                        {
                        case T_FILE:
                            scriptfile_getstring(script,&fn); break;
                        case T_ALPHACUT:
                            scriptfile_getdouble(script,&alphacut); break;
                        case T_XSCALE:
                            scriptfile_getdouble(script,&xscale); break;
                        case T_YSCALE:
                            scriptfile_getdouble(script,&yscale); break;
                        case T_SPECPOWER:
                            scriptfile_getdouble(script,&specpower); break;
                        case T_SPECFACTOR:
                            scriptfile_getdouble(script,&specfactor); break;
#ifdef USE_OPENGL
                        case T_NOCOMPRESS:
                            flags |= 1; break;
                        case T_NODOWNSIZE:
                            flags |= 16; break;
#endif
                        default:
                            break;
                        }
                    }

                    if ((unsigned)tile >= MAXTILES) break;	// message is printed later
                    if ((unsigned)pal >= MAXPALOOKUPS - RESERVEDPALS)
                    {
                        initprintf("\nError: missing or invalid 'palette number' for texture definition near "
                                   "line %s:%d", script->filename, scriptfile_getlinum(script,paltokptr));
                        break;
                    }
                    if (!fn)
                    {
                        initprintf("\nError: missing 'file name' for texture definition near line %s:%d",
                                   script->filename, scriptfile_getlinum(script,paltokptr));
                        break;
                    }

                    if (check_file_exist(fn))
                        break;

#ifdef USE_OPENGL
                    xscale = 1.0f / xscale;
                    yscale = 1.0f / yscale;

                    hicsetsubsttex(tile,pal,fn,alphacut,xscale,yscale, specpower, specfactor,flags);
#endif
                }
                break;
                case T_DETAIL: case T_GLOW: case T_SPECULAR: case T_NORMAL:
                {
                    char *detailtokptr = script->ltextptr, *detailend;
#ifdef USE_OPENGL
                    int32_t pal = 0;
                    char flags = 0;
#endif
                    char *fn = NULL;
                    double xscale = 1.0, yscale = 1.0, specpower = 1.0, specfactor = 1.0;

                    static const tokenlist texturetokens_pal[] =
                    {
                        { "file",            T_FILE },{ "name", T_FILE },
                        { "alphacut",        T_ALPHACUT },
                        { "detailscale",     T_XSCALE }, { "scale",  T_XSCALE }, { "xscale",  T_XSCALE }, { "intensity",  T_XSCALE },
                        { "yscale",          T_YSCALE },
                        { "specpower",       T_SPECPOWER }, { "specularpower", T_SPECPOWER }, { "parallaxscale", T_SPECPOWER },
                        { "specfactor",      T_SPECFACTOR }, { "specularfactor", T_SPECFACTOR }, { "parallaxbias", T_SPECFACTOR },
                        { "nocompress",      T_NOCOMPRESS },
                        { "nodownsize",      T_NODOWNSIZE },
                    };

                    if (scriptfile_getbraces(script,&detailend)) break;
                    while (script->textptr < detailend)
                    {
                        switch (getatoken(script,texturetokens_pal,sizeof(texturetokens_pal)/sizeof(tokenlist)))
                        {
                        case T_FILE:
                            scriptfile_getstring(script,&fn); break;
                        case T_XSCALE:
                            scriptfile_getdouble(script,&xscale); break;
                        case T_YSCALE:
                            scriptfile_getdouble(script,&yscale); break;
                        case T_SPECPOWER:
                            scriptfile_getdouble(script,&specpower); break;
                        case T_SPECFACTOR:
                            scriptfile_getdouble(script,&specfactor); break;
#ifdef USE_OPENGL
                        case T_NOCOMPRESS:
                            flags |= 1; break;
                        case T_NODOWNSIZE:
                            flags |= 16; break;
#endif
                        default:
                            break;
                        }
                    }

                    if ((unsigned)tile >= MAXTILES) break;	// message is printed later
                    if (!fn)
                    {
                        initprintf("\nError: missing 'file name' for texture definition near line %s:%d",
                                   script->filename, scriptfile_getlinum(script,detailtokptr));
                        break;
                    }

                    if (check_file_exist(fn))
                        break;

#ifdef USE_OPENGL
                    switch (token)
                    {
                    case T_DETAIL:
                        pal = DETAILPAL;
                        xscale = 1.0f / xscale;
                        yscale = 1.0f / yscale;
                        break;
                    case T_GLOW:
                        pal = GLOWPAL;
                        break;
                    case T_SPECULAR:
                        pal = SPECULARPAL;
                        break;
                    case T_NORMAL:
                        pal = NORMALPAL;
                        break;
                    }
                    hicsetsubsttex(tile,pal,fn,-1.0f,xscale,yscale, specpower, specfactor,flags);
#endif
                }
                break;
                default:
                    break;
                }
            }
            if ((unsigned)tile >= MAXTILES)
            {
                initprintf("\nError: missing or invalid 'tile number' for texture definition near line %s:%d",
                           script->filename, scriptfile_getlinum(script,texturetokptr));
                break;
            }
        }
        break;

        case T_UNDEFMODEL:
        case T_UNDEFMODELRANGE:
        {
            int32_t r0,r1;

            if (scriptfile_getsymbol(script,&r0)) break;
            if (tokn == T_UNDEFMODELRANGE)
            {
                if (scriptfile_getsymbol(script,&r1)) break;

                if (check_tile_range("undefmodelrange", &r0, &r1, script, cmdtokptr))
                    break;
            }
            else
            {
                r1 = r0;

                if (check_tile("undefmodel", &r0, script, cmdtokptr))
                    break;
            }
#ifdef USE_OPENGL
            for (; r0 <= r1; r0++)
                md_undefinetile(r0);
#endif
        }
        break;

        case T_UNDEFMODELOF:
        {
            int32_t r0;
#ifdef USE_OPENGL
            int32_t mid;
#endif

            if (scriptfile_getsymbol(script,&r0)) break;

            if (check_tile("undefmodelof", &r0, script, cmdtokptr))
                break;

            // XXX: See comment of md_undefinemodel()
            initprintf("\nWarning: undefmodelof: currently non-functional.");
            break;

#ifdef USE_OPENGL
            mid = md_tilehasmodel(r0,0);
            if (mid < 0) break;

            md_undefinemodel(mid);
#endif
        }
        break;

        case T_UNDEFTEXTURE:
        case T_UNDEFTEXTURERANGE:
        {
            int32_t r0,r1;
#ifdef USE_OPENGL
            int32_t i;
#endif

            if (scriptfile_getsymbol(script,&r0)) break;
            if (tokn == T_UNDEFTEXTURERANGE)
            {
                if (scriptfile_getsymbol(script,&r1)) break;

                if (check_tile_range("undeftexturerange", &r0, &r1, script, cmdtokptr))
                    break;
            }
            else
            {
                r1 = r0;

                if (check_tile("undeftexture", &r0, script, cmdtokptr))
                    break;
            }

#ifdef USE_OPENGL
            for (; r0 <= r1; r0++)
                for (i=MAXPALOOKUPS-1; i>=0; i--)
                    hicclearsubst(r0,i);
#endif
        }
        break;

        case T_ANIMSOUNDS:
        {
            char *dummy;

            static const tokenlist dummytokens[] = { { "id",   T_ID  }, };

            if (scriptfile_getstring(script, &dummy)) break;
            if (scriptfile_getbraces(script,&dummy)) break;
            while (script->textptr < dummy)
            {
                // XXX?
                getatoken(script,dummytokens,sizeof(dummytokens)/sizeof(dummytokens));
            }
        }
        break;

        case T_NOFLOORPALRANGE:
        {
            int32_t b,e;

            if (scriptfile_getnumber(script,&b)) break;
            if (scriptfile_getnumber(script,&e)) break;
        }
        break;

        case T_TEXHITSCANRANGE:
        case T_NOFULLBRIGHTRANGE:
        {
            int32_t b,e, i;

            if (scriptfile_getnumber(script,&b)) break;
            if (scriptfile_getnumber(script,&e)) break;

            b = max(b, 0);
            e = min(e, MAXTILES-1);

            for (i=b; i<=e; i++)
                picanm[i].sf |= (tokn==T_TEXHITSCANRANGE) ?
                    PICANM_TEXHITSCAN_BIT : PICANM_NOFULLBRIGHT_BIT;
        }
        break;

        case T_SOUND:
        case T_MUSIC:
        {
            char *dummy, *dummy2;
            static const tokenlist sound_musictokens[] =
            {
                { "id",   T_ID  },
                { "file", T_FILE },
            };

            if (scriptfile_getbraces(script,&dummy)) break;
            while (script->textptr < dummy)
            {
                switch (getatoken(script,sound_musictokens,sizeof(sound_musictokens)/sizeof(tokenlist)))
                {
                case T_ID:
                    scriptfile_getstring(script,&dummy2);
                    break;
                case T_FILE:
                    scriptfile_getstring(script,&dummy2);
                    break;
                }
            }
        }
        break;

        case T_MAPINFO:
        {
            char *dummy, *dummy2;
            static const tokenlist mapinfotokens[] =
            {
                { "mapfile",    T_MAPFILE },
                { "maptitle",   T_MAPTITLE },
                { "mapmd4",     T_MAPMD4 },
                { "mhkfile",    T_MHKFILE },
            };

            if (scriptfile_getbraces(script,&dummy)) break;
            while (script->textptr < dummy)
            {
                switch (getatoken(script,mapinfotokens,sizeof(mapinfotokens)/sizeof(tokenlist)))
                {
                case T_MAPFILE:
                    scriptfile_getstring(script,&dummy2);
                    break;
                case T_MAPTITLE:
                    scriptfile_getstring(script,&dummy2);
                    break;
                case T_MAPMD4:
                    scriptfile_getstring(script,&dummy2);
                    break;
                case T_MHKFILE:
                    scriptfile_getstring(script,&dummy2);
                    break;
                }
            }
        }
        break;

        case T_ECHO:
        {
            char *string = NULL;
            scriptfile_getstring(script,&string);
            initprintf("\n%s",string);
        }
        break;

        default:
            initprintf("\nUnknown token."); break;
        }
    }

    return 0;
}


int32_t loaddefinitionsfile(const char *fn)
{
    scriptfile *script;
    int32_t f = flushlogwindow;
    int32_t i;

    script = scriptfile_fromfile(fn);

    if (script)
    {
        flushlogwindow = 1;
        initprintf("Loading \"%s\"",fn);
        flushlogwindow = 0;

        defsparser(script);

        initprintf("\n");
    }

    for (i=0; i < g_defModulesNum; ++i)
    {
        defsparser_include(g_defModules[i], NULL, NULL);
        initprintf("\n");
    }

    flushlogwindow = f;

    if (script)
        scriptfile_close(script);

    scriptfile_clearsymbols();

    if (!script) return -1;

    return 0;
}

// vim:ts=4: