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// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
// Ken Silverman's official web site: "http://www.advsys.net/ken"
// See the included license file "BUILDLIC.TXT" for license info.
//
// This file has been modified from Ken Silverman's original release
// by Jonathon Fowler (jf@jonof.id.au)

#include "compat.h"
#include "build.h"
#include "editor.h"
#include "pragmas.h"
#include "baselayer.h"
#include "names.h"
#include "osd.h"
#include "cache1d.h"
#include "common.h"
#include "m32script.h"

#include "common_game.h"

const char *AppProperName = "EKenBuild Editor";
const char *AppTechnicalName = "ekenbuild-editor";

#if defined(_WIN32)
#define DEFAULT_GAME_EXEC "ekenbuild.exe"
#define DEFAULT_GAME_LOCAL_EXEC "ekenbuild.exe"
#else
#define DEFAULT_GAME_EXEC "ekenbuild"
#define DEFAULT_GAME_LOCAL_EXEC "./ekenbuild"
#endif

const char *DefaultGameExec = DEFAULT_GAME_EXEC;
const char *DefaultGameLocalExec = DEFAULT_GAME_LOCAL_EXEC;

#define SETUPFILENAME "ekenbuild-editor.cfg"
const char *defaultsetupfilename = SETUPFILENAME;
char setupfilename[BMAX_PATH] = SETUPFILENAME;

static char tempbuf[256];

#define NUMOPTIONS 9
char option[NUMOPTIONS] = {0,0,0,0,0,0,1,0,0};
unsigned char default_buildkeys[NUMBUILDKEYS] =
{
    0xc8,0xd0,0xcb,0xcd,0x2a,0x9d,0x1d,0x39,
    0x1e,0x2c,0xd1,0xc9,0x33,0x34,
    0x9c,0x1c,0xd,0xc,0xf,0x45
};





//static int hang = 0;
//static int rollangle = 0;

//Detecting 2D / 3D mode:
//   qsetmode is 200 in 3D mode
//   qsetmode is 350/480 in 2D mode
//
//You can read these variables when F5-F8 is pressed in 3D mode only:
//
//   If (searchstat == 0)  WALL        searchsector=sector, searchwall=wall
//   If (searchstat == 1)  CEILING     searchsector=sector
//   If (searchstat == 2)  FLOOR       searchsector=sector
//   If (searchstat == 3)  SPRITE      searchsector=sector, searchwall=sprite
//   If (searchstat == 4)  MASKED WALL searchsector=sector, searchwall=wall
//
//   searchsector is the sector of the selected item for all 5 searchstat's
//
//   searchwall is undefined if searchstat is 1 or 2
//   searchwall is the wall if searchstat = 0 or 4
//   searchwall is the sprite if searchstat = 3 (Yeah, I know - it says wall,
//                                      but trust me, it's the sprite number)

int averagefps;
#define AVERAGEFRAMES 32
static unsigned int frameval[AVERAGEFRAMES];
static int framecnt = 0;

int nextvoxid = 0;


const char *ExtGetVer(void)
{
    return s_buildRev;
}

int32_t ExtPreInit(int32_t argc,char const * const * argv)
{
    UNREFERENCED_PARAMETER(argc);
    UNREFERENCED_PARAMETER(argv);

    OSD_SetLogFile("ekenbuild-editor.log");
    char tempbuf[256];
    snprintf(tempbuf, ARRAY_SIZE(tempbuf), "%s %s", AppProperName, s_buildRev);
    OSD_SetVersion(tempbuf, 10,0);
    buildprintf("%s\n", tempbuf);
    PrintBuildInfo();

    return 0;
}

int32_t ExtInit(void)
{
    int rv = 0;

    /*printf("------------------------------------------------------------------------------\n");
    printf("   BUILD.EXE copyright(c) 1996 by Ken Silverman.  You are granted the\n");
    printf("   right to use this software for your personal use only.  This is a\n");
    printf("   special version to be used with \"Happy Fun KenBuild\" and may not work\n");
    printf("   properly with other Build engine games.  Please refer to license.doc\n");
    printf("   for distribution rights\n");
    printf("------------------------------------------------------------------------------\n");
    getch();
    */


    OSD_SetParameters(0,2, 0,0, 4,0, 0, 0, 0); // TODO

    bpp = 8;
    if (loadsetup(setupfilename) < 0) buildputs("Configuration file not found, using defaults.\n"), rv = 1;
    Bmemcpy(buildkeys, default_buildkeys, NUMBUILDKEYS);   //Trick to make build use setup.dat keys
    if (option[4] > 0) option[4] = 0;

    kensplayerheight = 32;
    zmode = 0;

#ifdef _WIN32
//  allowtaskswitching(0);
#endif
    return rv;
}

int32_t ExtPostStartupWindow(void)
{
    int i;

    initgroupfile(G_GrpFile());

    //You can load your own palette lookup tables here if you just
    //copy the right code!
    for (i=0; i<256; i++)
        tempbuf[i] = ((i+32)&255);  //remap colors for screwy palette sectors
    paletteMakeLookupTable(16,tempbuf,0,0,0,1);

    if (engineInit())
    {
        initprintf("There was a problem initializing the engine.\n");
        return -1;
    }

    Ken_InitMultiPsky();

    tiletovox[PLAYER] = nextvoxid++;
    tiletovox[BROWNMONSTER] = nextvoxid++;

    return 0;
}

void ExtPostInit(void)
{
    palettePostLoadLookups();
}

void ExtUnInit(void)
{
    uninitgroupfile();
    writesetup(setupfilename);
}

//static int daviewingrange, daaspect, horizval1, horizval2;
void ExtPreCheckKeys(void)
{
    int /*cosang, sinang, dx, dy, mindx,*/ i, j, k;

    if (keystatus[0x3e])  //F4 - screen re-size
    {
        keystatus[0x3e] = 0;

        //cycle through all vesa modes, then screen-buffer mode
        if (keystatus[0x2a]|keystatus[0x36])
        {
            videoSetGameMode(!fullscreen, xdim, ydim, bpp, upscalefactor);
        }
        else
        {

            //cycle through all modes
            j=-1;

            // work out a mask to select the mode
            for (i=0; i<validmodecnt; i++)
                if ((validmode[i].xdim == xdim) &&
                    (validmode[i].ydim == ydim) &&
                    (validmode[i].fs == fullscreen) &&
                    (validmode[i].bpp == bpp))
                { j=i; break; }

            for (k=0; k<validmodecnt; k++)
                if (validmode[k].fs == fullscreen && validmode[k].bpp == bpp) break;

            if (j==-1) j=k;
            else
            {
                j++;
                if (j==validmodecnt) j=k;
            }
            videoSetGameMode(fullscreen, validmode[j].xdim, validmode[j].ydim, bpp, upscalefactor);
        }
    }

    if (keystatus[buildkeys[BK_MODE2D_3D]])  // Enter
    {
        getmessageleng = 0;
        getmessagetimeoff = 0;
    }

    if (getmessageleng > 0)
    {
        if (!in3dmode())
            printmessage16("%s", getmessage);
        if (totalclock > getmessagetimeoff)
            getmessageleng = 0;
    }

#if 0
    if (keystatus[0x2a]|keystatus[0x36])
    {
        if (keystatus[0xcf]) hang = max(hang-1,-182);
        if (keystatus[0xc7]) hang = min(hang+1,182);
    }
    else
    {
        if (keystatus[0xcf]) hang = max(hang-8,-182);
        if (keystatus[0xc7]) hang = min(hang+8,182);
    }
    if (keystatus[0x4c]) { hang = 0; horiz = 100; }
    if (hang != 0)
    {
        walock[4094] = 255;

        // JBF 20031117: scale each dimension by a factor of 1.2, and work out
        // the aspect of the screen. Anywhere you see 'i' below was the value
        // '200' before I changed it. NOTE: This whole trick crashes in resolutions
        // above 800x600. I'm not sure why, and fixing it is not something I intend
        // to do in a real big hurry.
        dx = (xdim + (xdim >> 3) + (xdim >> 4) + (xdim >> 6)) & (~7);
        dy = (ydim + (ydim >> 3) + (ydim >> 4) + (ydim >> 6)) & (~7);
        i = scale(320,ydim,xdim);

        if (waloff[4094] == 0) g_cache.allocateBlock(&waloff[4094],/*240L*384L*/ dx*dy,&walock[4094]);
        renderSetTarget(4094,/*240L,384L*/ dy,dx);

        cosang = sintable[(hang+512)&2047];
        sinang = sintable[hang&2047];

        dx = dmulscale1(320,cosang,i,sinang); mindx = dx;
        dy = dmulscale1(-i,cosang,320,sinang);
        horizval1 = dy*(320>>1)/dx-1;

        dx = dmulscale1(320,cosang,-i,sinang); mindx = min(dx,mindx);
        dy = dmulscale1(i,cosang,320,sinang);
        horizval2 = dy*(320>>1)/dx+1;

        daviewingrange = divscale30(xdim>>1, mindx-16);
        daaspect = scale(daviewingrange,scale(320,tilesiz[4094].x,tilesiz[4094].y),horizval2+6-horizval1);
        renderSetAspect(daviewingrange,scale(daaspect,ydim*320,xdim*i));
        horiz = 100-divscale15(horizval1+horizval2,daviewingrange);
    }
#endif
}

#define MAXVOXMIPS 5
extern intptr_t voxoff[][MAXVOXMIPS];
void ExtAnalyzeSprites(int32_t ourx, int32_t oury, int32_t ourz, int32_t oura, int32_t smoothr)
{
    int i, *longptr;
    uspritetype *tspr;

    UNREFERENCED_PARAMETER(ourx);
    UNREFERENCED_PARAMETER(oury);
    UNREFERENCED_PARAMETER(ourz);
    UNREFERENCED_PARAMETER(oura);
    UNREFERENCED_PARAMETER(smoothr);

    for (i=0,tspr=&tsprite[0]; i<spritesortcnt; i++,tspr++)
    {
        if (usevoxels && tiletovox[tspr->picnum] >= 0)
        {
            switch (tspr->picnum)
            {
            case PLAYER:
                if (!voxoff[tiletovox[PLAYER]][0])
                {
                    if (qloadkvx(tiletovox[PLAYER],"voxel000.kvx"))
                    {
                        tiletovox[PLAYER] = -1;
                        break;
                    }
                }
                //tspr->cstat |= 48; tspr->picnum = tiletovox[tspr->picnum];
                longptr = (int *)voxoff[tiletovox[PLAYER]][0];
                tspr->xrepeat = scale(tspr->xrepeat,56,longptr[2]);
                tspr->yrepeat = scale(tspr->yrepeat,56,longptr[2]);
                tspr->shade -= 6;
                break;
            case BROWNMONSTER:
                if (!voxoff[tiletovox[BROWNMONSTER]][0])
                {
                    if (qloadkvx(tiletovox[BROWNMONSTER],"voxel001.kvx"))
                    {
                        tiletovox[BROWNMONSTER] = -1;
                        break;
                    }
                }
                //tspr->cstat |= 48; tspr->picnum = tiletovox[tspr->picnum];
                break;
            }
        }

        tspr->shade += 6;
        if (sector[tspr->sectnum].ceilingstat&1)
            tspr->shade += sector[tspr->sectnum].ceilingshade;
        else
            tspr->shade += sector[tspr->sectnum].floorshade;
    }
}

void ExtCheckKeys(void)
{
    int i; //, p, y, dx, dy, cosang, sinang, bufplc, tsizy, tsizyup15;
    int j;

    if (qsetmode == 200)    //In 3D mode
    {
#if 0
        if (hang != 0)
        {
            bufplc = waloff[4094]+(mulscale16(horiz-100,xdimenscale)+(tilesiz[4094].x>>1))*tilesiz[4094].y;
            renderRestoreTarget();
            cosang = sintable[(hang+512)&2047];
            sinang = sintable[hang&2047];
            dx = dmulscale1(xdim,cosang,ydim,sinang);
            dy = dmulscale1(-ydim,cosang,xdim,sinang);

            videoBeginDrawing();
            tsizy = tilesiz[4094].y;
            tsizyup15 = (tsizy<<15);
            dx = mulscale14(dx,daviewingrange);
            dy = mulscale14(dy,daaspect);
            sinang = mulscale14(sinang,daviewingrange);
            cosang = mulscale14(cosang,daaspect);
            p = ylookup[windowxy1.y]+frameplace+windowxy2.x+1;
            for (y=windowxy1.y; y<=windowxy2.y; y++)
            {
                i = divscale16(tsizyup15,dx);
                stretchhline(0,(xdim>>1)*i+tsizyup15,xdim>>2,i,mulscale32(i,dy)*tsizy+bufplc,p);
                dx -= sinang; dy += cosang; p += ylookup[1];
            }
            walock[4094] = 1;

            Bsprintf(tempbuf,"%d",(hang*180)>>10);
            printext256(0L,8L,31,-1,tempbuf,1);
            videoEndDrawing();
        }
#endif
        if (keystatus[0xa]) renderSetAspect(viewingrange+(viewingrange>>8),yxaspect+(yxaspect>>8));
        if (keystatus[0xb]) renderSetAspect(viewingrange-(viewingrange>>8),yxaspect-(yxaspect>>8));
        if (keystatus[0xc]) renderSetAspect(viewingrange,yxaspect-(yxaspect>>8));
        if (keystatus[0xd]) renderSetAspect(viewingrange,yxaspect+(yxaspect>>8));
        //if (keystatus[0x38]) renderSetRollAngle(rollangle+=((keystatus[0x2a]|keystatus[0x36])*6+2));
        //if (keystatus[0xb8]) renderSetRollAngle(rollangle-=((keystatus[0x2a]|keystatus[0x36])*6+2));
        //if (keystatus[0x1d]|keystatus[0x9d]) renderSetRollAngle(rollangle=0);

        videoBeginDrawing();

        i = frameval[framecnt&(AVERAGEFRAMES-1)];
        j = frameval[framecnt&(AVERAGEFRAMES-1)] = timerGetTicks(); framecnt++;
        if (i != j) averagefps = (averagefps*3 + (AVERAGEFRAMES*1000)/(j-i))>>2;
        Bsprintf((char *)tempbuf,"%d",averagefps);
        printext256(0L,0L,31,-1,(char *)tempbuf,1);

        videoEndDrawing();
        editinput();
    }
    else
    {
    }
}

void ExtCleanUp(void)
{
}

void ExtPreLoadMap(void)
{
}


void ExtSetupMapFilename(const char *mapname)
{
    UNREFERENCED_PARAMETER(mapname);
}

void ExtLoadMap(const char *mapname)
{
    UNREFERENCED_PARAMETER(mapname);
}

int32_t ExtPreSaveMap(void)
{
    return 0;
}

void ExtSaveMap(const char *mapname)
{
    UNREFERENCED_PARAMETER(mapname);
}

const char *ExtGetSectorCaption(short sectnum)
{
    if ((sector[sectnum].lotag|sector[sectnum].hitag) == 0)
    {
        tempbuf[0] = 0;
    }
    else
    {
        Bsprintf((char *)tempbuf,"%hu,%hu",(unsigned short)sector[sectnum].hitag,
                 (unsigned short)sector[sectnum].lotag);
    }
    return (char *)tempbuf;
}

const char *ExtGetWallCaption(short wallnum)
{
    if ((wall[wallnum].lotag|wall[wallnum].hitag) == 0)
    {
        tempbuf[0] = 0;
    }
    else
    {
        Bsprintf((char *)tempbuf,"%hu,%hu",(unsigned short)wall[wallnum].hitag,
                 (unsigned short)wall[wallnum].lotag);
    }
    return (char *)tempbuf;
}

const char *ExtGetSpriteCaption(short spritenum)
{
    if ((sprite[spritenum].lotag|sprite[spritenum].hitag) == 0)
    {
        tempbuf[0] = 0;
    }
    else
    {
        Bsprintf((char *)tempbuf,"%hu,%hu",(unsigned short)sprite[spritenum].hitag,
                 (unsigned short)sprite[spritenum].lotag);
    }
    return (char *)tempbuf;
}

//printext16 parameters:
//printext16(int xpos, int ypos, short col, short backcol,
//           char name[82], char fontsize)
//  xpos 0-639   (top left)
//  ypos 0-479   (top left)
//  col 0-15
//  backcol 0-15, -1 is transparent background
//  name
//  fontsize 0=8*8, 1=3*5

//editorDraw2dLine parameters:
// editorDraw2dLine(int x1, int y1, int x2, int y2, char col)
//  x1, x2  0-639
//  y1, y2  0-143  (status bar is 144 high, origin is top-left of STATUS BAR)
//  col     0-15

void ExtShowSectorData(short sectnum)   //F5
{
    int i;
    if (qsetmode == 200)    //In 3D mode
    {
    }
    else
    {
        videoBeginDrawing();
        clearmidstatbar16();             //Clear middle of status bar

        Bsprintf((char *)tempbuf,"Sector %d",sectnum);
        printext16(8,ydim16+32,11,-1,(char *)tempbuf,0);

        printext16(8,ydim16+48,11,-1,"8*8 font: ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789",0);
        printext16(8,ydim16+56,11,-1,"3*5 font: ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789",1);

        i=ydim16; ydim16=ydim;
        editorDraw2dLine(320,i+68,344,i+80,4);       //Draw house
        editorDraw2dLine(344,i+80,344,i+116,4);
        editorDraw2dLine(344,i+116,296,i+116,4);
        editorDraw2dLine(296,i+116,296,i+80,4);
        editorDraw2dLine(296,i+80,320,i+68,4);
        ydim16=i;
        videoEndDrawing();
    }
}

void ExtShowWallData(short wallnum)       //F6
{
    if (qsetmode == 200)    //In 3D mode
    {
    }
    else
    {
        videoBeginDrawing();
        clearmidstatbar16();             //Clear middle of status bar

        Bsprintf((char *)tempbuf,"Wall %d",wallnum);
        printext16(8,ydim16+32,11,-1,(char *)tempbuf,0);
        videoEndDrawing();
    }
}

void ExtShowSpriteData(short spritenum)   //F6
{
    if (qsetmode == 200)    //In 3D mode
    {
    }
    else
    {
        videoBeginDrawing();
        clearmidstatbar16();             //Clear middle of status bar

        Bsprintf((char *)tempbuf,"Sprite %d",spritenum);
        printext16(8,ydim16+32,11,-1,(char *)tempbuf,0);
        videoEndDrawing();
    }
}

void ExtEditSectorData(short sectnum)    //F7
{
    short nickdata;

    if (qsetmode == 200)    //In 3D mode
    {
        //Ceiling
        if (searchstat == 1)
            sector[searchsector].ceilingpicnum++;   //Just a stupid example

        //Floor
        if (searchstat == 2)
            sector[searchsector].floorshade++;      //Just a stupid example
    }
    else                    //In 2D mode
    {
        Bsprintf((char *)tempbuf,"Sector (%d) Nick's variable: ",sectnum);
        nickdata = 0;
        nickdata = getnumber16((char *)tempbuf,nickdata,65536L,0);

        printmessage16(" ");              //Clear message box (top right of status bar)
        ExtShowSectorData(sectnum);
    }
}

void ExtEditWallData(short wallnum)       //F8
{
    short nickdata;

    if (qsetmode == 200)    //In 3D mode
    {
    }
    else
    {
        Bsprintf((char *)tempbuf,"Wall (%d) Nick's variable: ",wallnum);
        nickdata = 0;
        nickdata = getnumber16((char *)tempbuf,nickdata,65536L,0);

        printmessage16(" ");              //Clear message box (top right of status bar)
        ExtShowWallData(wallnum);
    }
}

void ExtEditSpriteData(short spritenum)   //F8
{
    short nickdata;

    if (qsetmode == 200)    //In 3D mode
    {
    }
    else
    {
        Bsprintf((char *)tempbuf,"Sprite (%d) Nick's variable: ",spritenum);
        nickdata = 0;
        nickdata = getnumber16((char *)tempbuf,nickdata,65536L,0);
        printmessage16(" ");

        printmessage16(" ");              //Clear message box (top right of status bar)
        ExtShowSpriteData(spritenum);
    }
}

void faketimerhandler(void)
{
    timerUpdateClock();
}

void M32RunScript(const char *s) { UNREFERENCED_PARAMETER(s); }
void G_Polymer_UnInit(void) { }
void SetGamePalette(int32_t j) { UNREFERENCED_PARAMETER(j); }

int32_t AmbienceToggle, MixRate, ParentalLock;

int32_t taglab_linktags(int32_t spritep, int32_t num)
{
    int32_t link = 0;

    g_iReturnVar = link;
    VM_OnEvent(EVENT_LINKTAGS, spritep ? num : -1);
    link = g_iReturnVar;

    return link;
}

int32_t taglab_getnextfreetag(int32_t *duetoptr)
{
    int32_t i, nextfreetag=1;
    int32_t obj = -1;

    for (i=0; i<MAXSPRITES; i++)
    {
        int32_t tag;

        if (sprite[i].statnum == MAXSTATUS)
            continue;

        tag = select_sprite_tag(i);

        if (tag != INT32_MIN && nextfreetag <= tag)
        {
            nextfreetag = tag+1;
            obj = 32768 + i;
        }
    }

    for (i=0; i<numwalls; i++)
    {
        int32_t lt = taglab_linktags(0, i);

        if ((lt&1) && nextfreetag <= wall[i].lotag)
            nextfreetag = wall[i].lotag+1, obj = i;
        if ((lt&2) && nextfreetag <= wall[i].hitag)
            nextfreetag = wall[i].hitag+1, obj = i;
    }

    if (duetoptr != NULL)
        *duetoptr = obj;

    if (nextfreetag < 32768)
        return nextfreetag;

    return 0;
}

int32_t S_InvalidSound(int32_t num) {
    UNREFERENCED_PARAMETER(num); return 1;
};
int32_t S_CheckSoundPlaying(int32_t i, int32_t num) {
    UNREFERENCED_PARAMETER(i); UNREFERENCED_PARAMETER(num); return 0;
};
int32_t S_SoundsPlaying(int32_t i) {
    UNREFERENCED_PARAMETER(i); return -1;
}
int32_t S_SoundFlags(int32_t num) {
    UNREFERENCED_PARAMETER(num); return 0;
};
int32_t A_PlaySound(uint32_t num, int32_t i) {
    UNREFERENCED_PARAMETER(num); UNREFERENCED_PARAMETER(i); return 0;
};
void S_StopSound(int32_t num) {
    UNREFERENCED_PARAMETER(num);
};
void S_StopAllSounds(void) { }

//Just thought you might want my getnumber16 code
/*
getnumber16(char namestart[80], short num, int maxnumber)
{
    char buffer[80];
    int j, k, n, danum, oldnum;

    danum = (int)num;
    oldnum = danum;
    while ((keystatus[0x1c] != 2) && (keystatus[0x1] == 0))  //Enter, ESC
    {
        sprintf(&buffer,"%s%ld_ ",namestart,danum);
        printmessage16(buffer);

        for(j=2;j<=11;j++)                //Scan numbers 0-9
            if (keystatus[j] > 0)
            {
                keystatus[j] = 0;
                k = j-1;
                if (k == 10) k = 0;
                n = (danum*10)+k;
                if (n < maxnumber) danum = n;
            }
        if (keystatus[0xe] > 0)    // backspace
        {
            danum /= 10;
            keystatus[0xe] = 0;
        }
        if (keystatus[0x1c] == 1)   //L. enter
        {
            oldnum = danum;
            keystatus[0x1c] = 2;
            asksave = 1;
        }
    }
    keystatus[0x1c] = 0;
    keystatus[0x1] = 0;
    return((short)oldnum);
}
*/


/*
 * vim:ts=4:
 */