// The Xmas Demo 2025: Project Icarus (revised). Control code. // Authors: Julin and Corneliusen // Runs in 4Kp60 on Nvidia Jetson AGX Orin. Max out the GPU clock. Duh. // More info here: https://www.ignorantus.com/pages/xmasdemo2025/ // License: https://creativecommons.org/publicdomain/zero/1.0/ // This Xmas Demo uses the V73D engine by Sjur Julin. // More info here: https://github.com/sjulin/V73D #include #include #include #include #include #include #ifdef __linux__ #include #else #include #endif #include #include #include "vec.h" // Set by options static bool shdebug = false; static bool ctrldebug = false; static bool savepics = false; static bool gentitle = false; static bool gensnaps = false; static int pauseframe = -1; static int startpart = 0; static bool msaa = false; static int shaderw, shaderh; static int dispw, disph; static double demoduration; static int demoframes; static int addframe = 1; static int framectr; static int totalframes; #ifdef __linux__ #define SAVEPATH "../render/" #else #define SAVEPATH "..\\..\\tmp\\" #endif static V7X *v7x; static int snapparts[] = { 0, 1, 1, 2, 3, 3, 4, 5, 6, 6, 6, 7, 8, 9, 10, 11, 11, 12, }; static int snapframes[] = { 30, 252, 587, 158, 476, 515, 864, 411, 25, 649, 937, 749, 630, 434, 276, 162, 326, 50, }; static int snapres[] = { 512, 512, 512, 512, 512, 256, 512, 512, 256, 512, 256, 512, 512, 512, 512, 512, 256, 512, }; #define SNAPCNT ((int)(sizeof(snapframes)/sizeof(snapframes[0]))) static int currsnap = 0; static Model *txt_scroll, *txt_scrolls, *txt_top, *txt_tops, *txt_quirk, *txt_quirks, *txt_credl, *txt_credr, *txt_bot, *txt_bots; static Model *txt_debug1, *txt_debug1s, *txt_debug2, *txt_debug2s; static Model *pic_sig, *pic_buttoff, *pic_button, *pic_bike1, *pic_bike2, *pic_icarus1, *pic_icarus2, *pic_icarus3, *pic_xmas, *pic_stooge, *pic_chrisr, *pic_player1; static Model *pic_player2, *pic_turrican, *pic_amiga, *pic_secret, *pic_fist, *pic_pig1, *pic_pig2, *pic_motion, *pic_bug, *pic_igno, *pic_tomb, *pic_moi; typedef struct { float in_factor; float antic, pokey, ctia; } GPUGeneric; static GPUGeneric gpugen; #define TABLELEN 512 #define TABLEMASK (TABLELEN-1) typedef struct { float in_factor; float whitey; float akiko, gayle; vec4 noisetable[TABLELEN]; } GPUTunnel; static GPUTunnel gputunnel; typedef struct { v4 in_scr; v4 in_u; v4 in_v; v4 in_prp; float jtime; float xfactor; float in_factor; float paula; v4 noisetable[TABLELEN]; } GPUJourney; static GPUJourney gpujourney; #define TFNUM 5 #define LIGHTNUM (12*4) typedef struct { v4 lightpos[LIGHTNUM]; v4 lightcol[LIGHTNUM]; v4 b1[TFNUM]; v4 b2[TFNUM]; v4 eye; float scale; float in_factor; float pinky, clyde; } GPUTwofield; static GPUTwofield gputwofield; typedef struct { v4 ta_in; v4 ro_in; float scale; float nostromo; float curly, moe; } GPUCyber; static GPUCyber gpucyber; #define ROTS 7 #define CORS 24 typedef struct { v4 rots[ROTS]; v4 cors[CORS]; float in_factor; float burwor, garwor, thorwor; } GPUKnots; static GPUKnots gpuknots; typedef enum { PART_PITCH, PART_BUTTON, PART_SPONGE, PART_MIDNIGHT, PART_JOURNEY, PART_TWOFIELD, PART_CYBER, PART_KALEIDO, PART_KNOTS, PART_GLASSY, PART_CREMATORIA, PART_BLACKENED, PART_KNOBS, BODYPARTS } PartId; typedef struct { PartId pid; char *fname; char *title; void *data; int datalen; double starttime; char *scrolltext; char *toptext; char *credtext; char *righty; double duration; // calculated value } DemoPart; #define SPC_CLR " " #define TXT_SPON " 4Kp60? Fuck yeah!" SPC_CLR "Do more with more! We're back on the Nvidia Jetson AGX Orin." #define TXT_SUMM "From Summer Preview 2025" SPC_CLR "This time in real 4K (yeah, we fumbled it in the preview, d'oh)" #define TXT_JOUR "Music: \"The Agency - End Credits\" by Chris Huelsbeck." SPC_CLR "From the album \"Dressed to Chill\". Get it on bandcamp.com." SPC_CLR "We all played Turrican on our Amiga computers back in the day." SPC_CLR "Duh." #define TXT_TWOF "Always recycle! And don't waste energy! Don't be a pythoneer." SPC_CLR " C: Reducing energy waste since 1972." #define TXT_CYBE " Cyber City is back!" SPC_CLR "This time in true 4Kp60." SPC_CLR "Always improve on the perfect! And skip the rubbish." SPC_CLR "\"The future of computer power is pure simplicity.\" - Douglas Adams" #define TXT_KALE " Black and blue / And who knows which is which, and who is who? / Up and down / And in the end, it's only round and round, and round" // Us and Them #define TXT_KNOT "Greetz to Triumph, Scoopex, No Limits, New Wave, Cryptoburners, IT, Spaceballs, Offence, Razor 1911, Crusaders, Kefrens, Cinefex Design, and the rest!" #define TXT_GLAS "This is what happens you have almost unlimited processing power." SPC_CLR "Get the source code here: ignorantus.com/xmasdemo/" SPC_CLR "Warning: It's C and GLSL. Pythoneers need not apply." SPC_CLR "Duh." #define TXT_CREM "For long you live and high you fly / But only if you ride the tide / And balanced on the biggest wave / You race towards an early grave" // Breathe static DemoPart demo_parts[] = { { PART_PITCH, "empty.fs", "Pitch Black", &gpugen, sizeof(gpugen), 0.000f, "", "", "", "\x03""C/J/R Productions\n" }, { PART_BUTTON, "tunnel.fs", "Push the Button", &gputunnel, sizeof(gputunnel), 3.000f, "", "", "meowyih", "" }, { PART_SPONGE, "sponge.fs", "Spongified", &gpugen, sizeof(gpugen), 16.000f, TXT_SPON, "\x02""Spongified 4K\n", "kithy", "" }, { PART_MIDNIGHT, "midnight.fs", "Midnight Sun", &gpugen, sizeof(gpugen), 31.000f, TXT_SUMM, "\x02""Midnight Sun 4K\n", "jedilafond", "\x03""- - . . . . . . - -\n" }, { PART_JOURNEY, "journey.fs", "Journeyman", &gpujourney, sizeof(gpujourney), 46.500f, TXT_JOUR, "\x02""Journeyman 4K\n", "PauloFalcao\nmeowyih", "" }, { PART_TWOFIELD, "twofield.fs", "Twofield System", &gputwofield, sizeof(gputwofield), 76.000f, TXT_TWOF, "\x02""Twofield System 4K\n", "w23\nR3N", "\x03""2716057\n" }, { PART_CYBER, "cyber.fs", "Cyberia", &gpucyber, sizeof(gpucyber), 92.000f, TXT_CYBE, "\x02""Cyberia 4K\n", "Haru86_", "\x03""Bite my shiny\n""\x03""metal ass\n" }, { PART_KALEIDO, "kaleido.fs", "Kaleidonope", &gpugen, sizeof(gpugen), 122.000f, TXT_KALE, "\x02""Kaleidonope 4K\n", "omansounds", "\x03""A still tongue\n""\x03""makes a\n""\x03""happy life\n" }, { PART_KNOTS, "knots.fs", "Knots Landing", &gpuknots, sizeof(gpuknots), 137.000f, TXT_KNOT, "\x02""Knots Landing 4K\n", "Elsio", "", }, { PART_GLASSY, "glassy.fs", "Glassy Knoll", &gpugen, sizeof(gpugen), 152.500f, TXT_GLAS, "\x02""Glassy Knoll 4K Ultra\n", "Shane", "\x03""Apply\n""\x03""yourself\n" }, { PART_CREMATORIA, "crematoria.fs","Crematoria", &gpugen, sizeof(gpugen), 183.000f, TXT_CREM, "\x02""Crematoria 4K\n", "jamiep", "\x03""It's turtles all\n""\x03""the way down\n" }, { PART_BLACKENED, "noisy.fs", "Blackened", &gpugen, sizeof(gpugen), 198.000f, "", "", "vladstorm", "" }, { PART_KNOBS, "empty.fs", "Knobs", &gpugen, sizeof(gpugen), 207.000f, "", "", "", "" }, { BODYPARTS, NULL, NULL, NULL, 0, 212.000f, NULL, NULL, NULL }, // last entry endtime only }; #define DEMOPARTS ((int)(sizeof(demo_parts)/sizeof(demo_parts[0]))-1) static Model *demo_models[DEMOPARTS]; static Model *bgmod; static Texture *fbtex; static Model *mods[256]; static int modcnt = 0; static Model *NewShader(char *name, char *shdname, void *gpudata, size_t gpusize) { printf( "NewShader: name=%s, fname=%s\n", name, shdname ); Model *m = V7NewMod(v7x, name); char *shdsrc = V7Load(0, true, "../shaders/%s", shdname); if( shdebug ) { char *ptr = strstr( shdsrc, "//#define SHDEBUG" ); if( ptr ) { ptr[0] = ' '; ptr[1] = ' '; } } m->prg = V7CustPrg(v7x, name, shdsrc, shdname); if(gpudata) V7UniBuf(m, gpudata, gpusize); m->flags|=V7NMSK; return m; } static Model *LoadPicAsMod( Scene *s, char *fname, char *name, vec3 sc, vec3 t ) { printf( "LoadPicAsMod: name=%s, fname=%s\n", name, fname ); Texture *tex; size_t piclen; void *pic = V7Load( &piclen, true, fname ); char sname[80]; snprintf( sname, sizeof(sname), "%sTex", name ); tex = V7NewTex(v7x, sname); snprintf( sname, sizeof(sname), "%sImg", name ); tex->img = V7NewImg(v7x, sname); size_t len = strlen(fname); if( len >= 4 && !strcmp( fname+len-4, ".jpg" ) ) V7JPGDec(tex->img, pic, piclen); else V7PNGDec(tex->img, pic); V7ImgTex(tex); tex->mag = GL_LINEAR; glTextureParameteri( tex->id, GL_TEXTURE_MAG_FILTER, tex->mag); tex->min = GL_LINEAR; glTextureParameteri( tex->id, GL_TEXTURE_MIN_FILTER, tex->min); snprintf( sname, sizeof(sname), "%sMod", name ); Model *mod = V7NewMod(v7x, sname); mod->prg = V7GetPrg(v7x, "RGB"); V7Quad(mod->msh, 2.0f*(tex->img->w/(float)tex->img->h), 2.0f); snprintf( sname, sizeof(sname), "%sMtr", name ); mod->mtr = V7NewMtr(v7x, sname); mod->mtr->coltex = tex; mod->s = sc; mod->t = t; V7SET(mod->flags, V7NDEP|V7NMSK); V7AddMod(s, mod); mods[modcnt++] = mod; return mod; } static Model *NewText( char *title, SDFont *fn, vec3 sc, vec3 t, vec4 col ) { printf( "NewText: title=%s\n", title ); Model *mo = V7NewTxt( v7x, title, fn ); mo->s = sc; mo->t = t; Material oldmo = *mo->mtr; char mtrname[80]; snprintf( mtrname, sizeof(mtrname), "%s-mtr", title ); mo->mtr = V7NewMtr( v7x, mtrname ); *mo->mtr = oldmo; mo->mtr->col = col; V7AddMod( v7x->scn, mo ); mods[modcnt++] = mo; return mo; } static void MirrorTex( Texture *tex ) { for( int y = 0; y < (int)tex->img->h; y++ ) { uint32_t *coll = (uint32_t *)(tex->img->data + y*tex->img->w*4); uint32_t *colr = (uint32_t *)(tex->img->data + y*tex->img->w*4 + (tex->img->w-1)*4); for( int x = 0; x < (int)tex->img->w/2; x++ ) { uint32_t pixl = *coll; uint32_t pixr = *colr; *coll++ = pixr; *colr-- = pixl; } } } static void Setup(void) { puts( "Setup" ); Scene *s = v7x->scn = V7NewScn(v7x, "MainScene"); s->dat.light[0].pos = (vec3){ -3.f, 2.f, 9.f }; s->dat.light[0].val = 3.f; s->dat.eye = (vec3){ .0f, .0f, -5.405f }; s->dat.fov = 102.54f; // bg pics pic_icarus1 = LoadPicAsMod( s, "../data/icarus_br.png", "Icarus", (vec3){ 5.000f, 5.000f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_icarus2 = LoadPicAsMod( s, "../data/icarus.png", "Icarust", (vec3){ 5.000f, 5.000f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_icarus3 = LoadPicAsMod( s, "../data/icarus.png", "tsuracI", (vec3){ 5.000f, 5.000f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_motion = LoadPicAsMod( s, "../data/motion.png", "Motion", (vec3){ 7.575f, 7.575f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_bug = LoadPicAsMod( s, "../data/bug.png", "Bugge", (vec3){ 2.075f, 2.075f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); for( int i = 0; i < DEMOPARTS; i++ ) { DemoPart *dp = &demo_parts[i]; demo_models[i] = NewShader(dp->title, dp->fname, dp->data, dp->datalen); } SDFont *fnt = &sdf_babylon5; // This is still a Babylon 5 shop SDFont *fntd = &sdf_unispace; txt_debug1 = NewText( "DebugText1", fntd, (vec3){ .45f, .45f, .3f}, (vec3){-8.065f, 3.705f, 1.0f}, (vec4){1.0f, 1.0f, 1.0f, 1.0f} ); txt_debug1s = NewText( "DebugText1s", fntd, (vec3){ .45f, .45f, .3f}, (vec3){-8.065f+0.025f, 3.705f -0.025f, 1.0f}, (vec4){0.0f, 0.0f, 0.0f, 1.0f} ); txt_debug2 = NewText( "DebugText2", fntd, (vec3){ .45f, .45f, .3f}, (vec3){-8.065f, 3.705f-0.35f, 1.0f}, (vec4){1.0f, 1.0f, 1.0f, 1.0f} ); txt_debug2s = NewText( "DebugText2s", fntd, (vec3){ .45f, .45f, .3f}, (vec3){-8.065f+0.025f, 3.705f-0.35f-0.025f, 1.0f}, (vec4){0.0f, 0.0f, 0.0f, 1.0f} ); txt_scroll = NewText( "ScrollText", fnt, (vec3){ .825f, 1.025f, .3f}, (vec3){ 0.000f, -4.14f, 1.0f}, (vec4){0.0f, 1.0f, 1.0f, 1.0f} ); txt_scrolls = NewText( "ScrollTexts", fnt, (vec3){ .825f, 1.025f, .3f}, (vec3){ 0.000f, -4.14f, 1.0f}, (vec4){0.0f, 0.0f, 0.0f, 1.0f} ); txt_top = NewText( "TopText", fnt, (vec3){ .825f, .825f, .3f}, (vec3){ 0.000f, 4.04f, 1.0f}, (vec4){0.0f, 1.0f, 1.0f, 1.0f} ); // main loop reset txt_tops = NewText( "TopTexts", fnt, (vec3){ .825f, .825f, .3f}, (vec3){ 0.000f, 4.04f, 1.0f}, (vec4){0.0f, 0.0f, 0.0f, 1.0f} ); // fbtex = V7NewTex(v7x, "FBTex"); fbtex->mag = GL_LINEAR; glTextureParameteri( fbtex->id, GL_TEXTURE_MAG_FILTER, fbtex->mag ); fbtex->min = GL_LINEAR; glTextureParameteri( fbtex->id, GL_TEXTURE_MIN_FILTER, fbtex->min ); bgmod = V7NewMod(v7x, "BGMod"); bgmod->prg = V7GetPrg(v7x, "RGB"); V7Quad(bgmod->msh, 19.83f, 19.83f*0.5625f); bgmod->t = (vec3){0.f, 0.f, 0.f}; bgmod->mtr = V7NewMtr(v7x, "BGModMtr"); bgmod->mtr->coltex = fbtex; V7AddMod(s, bgmod); // regular pics pic_buttoff = LoadPicAsMod( s, "../data/buttoff.png", "Butt1", (vec3){ 2.510f, 2.510f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_button = LoadPicAsMod( s, "../data/button.png", "Butt2", (vec3){ 2.510f, 2.510f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_bike1 = LoadPicAsMod( s, "../data/smallbike.png", "Bike", (vec3){ 0.505f, 0.505f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_bike2 = LoadPicAsMod( s, "../data/smallbike.png", "ekiB", (vec3){ 0.505f, 0.505f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_xmas = LoadPicAsMod( s, "../data/iffybook.png", "Iffy", (vec3){ 3.000f, 3.000f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_stooge = LoadPicAsMod( s, "../data/stooge.png", "Stooge", (vec3){ 0.500f, 0.500f, 1.0f}, (vec3){ 10.40f, 5.25f, 0.0f } ); pic_chrisr = LoadPicAsMod( s, "../data/chrisr.png", "Chris", (vec3){ 0.500f, 0.500f, 1.0f}, (vec3){ 9.40f, 5.07f, 0.0f } ); pic_player1 = LoadPicAsMod( s, "../data/player.png", "Player", (vec3){ 1.270f, 1.270f, 1.0f}, (vec3){ 0.0f, -5.01f, 0.0f } ); pic_player2 = LoadPicAsMod( s, "../data/player.png", "reyalP", (vec3){ 1.270f, 1.270f, 1.0f}, (vec3){ 0.0f, -5.01f, 0.0f } ); pic_turrican = LoadPicAsMod( s, "../data/turrican.png", "Turrican", (vec3){ 1.260f, 1.260f, 1.0f}, (vec3){ 0.0f, 4.30f, 0.0f } ); pic_amiga = LoadPicAsMod( s, "../data/amiga.png", "CBM", (vec3){ 1.510f, 1.510f, 1.0f}, (vec3){ 0.0f, 0.00f, 0.0f } ); pic_secret = LoadPicAsMod( s, "../data/secret.png", "Indy", (vec3){ 5.580f, 5.580f, 1.0f}, (vec3){ 0.0f, 0.00f, 0.0f } ); pic_fist = LoadPicAsMod( s, "../data/sbfist.png", "Fist", (vec3){ 1.010f, 1.010f, 1.0f}, (vec3){ 0.0f, 0.00f, 0.0f } ); pic_pig1 = LoadPicAsMod( s, "../data/pinkpig.png", "Pig", (vec3){ 0.700f, 0.700f, 1.0f}, (vec3){ 0.0f, -4.98f, 0.0f } ); pic_pig2 = LoadPicAsMod( s, "../data/pinkpig.png", "giP", (vec3){ 0.700f, 0.700f, 1.0f}, (vec3){ 0.0f, -4.98f, 0.0f } ); pic_igno = LoadPicAsMod( s, "../data/igbanner.png", "Iggy", (vec3){ 0.866f, 0.866f, 1.0f}, (vec3){ 0.0f, 4.71f, 0.0f } ); pic_tomb = LoadPicAsMod( s, "../data/tombstone.png", "Tomb", (vec3){ 1.000f, 1.000f, 1.0f}, (vec3){ 0.0f, -5.10f, 0.0f } ); pic_moi = LoadPicAsMod( s, "../data/moi.png", "MoI", (vec3){ 1.510f, 1.510f, 1.0f}, (vec3){ 0.0f, 0.0f, 0.0f } ); pic_sig = LoadPicAsMod( s, "../data/sig.png", "Sig", (vec3){ 0.505f, 0.505f, 1.0f}, (vec3){ 8.24f, -5.070f, 0.0f } ); MirrorTex( pic_bike2->mtr->coltex ); V7ImgTex( pic_bike2->mtr->coltex ); MirrorTex( pic_player2->mtr->coltex ); V7ImgTex( pic_player2->mtr->coltex ); MirrorTex( pic_pig2->mtr->coltex ); V7ImgTex( pic_pig2->mtr->coltex ); MirrorTex( pic_icarus3->mtr->coltex ); V7ImgTex( pic_icarus3->mtr->coltex ); txt_credl = NewText( "CredTextL", fnt, (vec3){ .250f, .250f, .3f}, (vec3){-8.070f, 4.38f, 1.0f}, (vec4){0.8f, 0.8f, 0.8f, 1.0f} ); // reset main loop txt_credr = NewText( "CredTextR", fnt, (vec3){ .250f, .250f, .3f}, (vec3){ 8.078f, 4.38f, 1.0f}, (vec4){1.0f, 1.0f, 1.0f, 1.0f} ); // " txt_quirk = NewText( "QuirkText", fnt, (vec3){ 1.04f, 1.04f, .3f}, (vec3){ 0.000f, 2.800f, 1.0f}, (vec4){0.0f, 1.0f, 1.0f, 1.0f} ); txt_quirks = NewText( "QuirkTexts", fnt, (vec3){ 1.04f, 1.04f, .3f}, (vec3){ 0.000f, 0.000f, 1.0f}, (vec4){0.0f, 0.0f, 0.0f, 1.0f} ); txt_bot = NewText( "BoatText", fnt, (vec3){ 1.04f, 1.04f, .3f}, (vec3){-8.035f, -4.510f, 1.0f}, (vec4){1.0f, 1.0f, 0.0f, 1.0f} ); txt_bots = NewText( "BoatTexts", fnt, (vec3){ 1.04f, 1.04f, .3f}, (vec3){-8.085f, -4.560f, 1.0f}, (vec4){0.0f, 0.0f, 0.0f, 1.0f} ); V7CompShd(v7x); // Twofield 2: The lightening gputwofield.eye = v4_set( 0.0f, 0.0f, 20.0f, 0.0f ); gputwofield.scale = 0.65f; for( int j = 0; j < LIGHTNUM; j++ ) { if( j%16 <= 7 ) gputwofield.lightcol[j] = v4_mul3( v4_set( 0.0f, 1.0f, 0.0f, 0.0f ), 10.0f ); else gputwofield.lightcol[j] = v4_mul3( v4_set( 1.0f, 0.0f, 0.0f, 0.0f ), 10.0f ); gputwofield.lightpos[j].x = -12.0f + (24.0f/(LIGHTNUM-1))*(j+0); // fixed, visually moved by yz rot } // Journey->Tunnel table instead of slow hash() feast for( int i = 0; i < TABLELEN; i++ ) gpujourney.noisetable[i] = v4_set( fract( sinf( (float)((i + 0)&TABLEMASK) ) * 43758.5453123f ), fract( sinf( (float)((i + 57)&TABLEMASK) ) * 43758.5453123f ), fract( sinf( (float)((i + 113)&TABLEMASK) ) * 43758.5453123f ), fract( sinf( (float)((i + 170)&TABLEMASK) ) * 43758.5453123f ) ); // Also used in intro tunnel memcpy( gputunnel.noisetable, gpujourney.noisetable, sizeof(gpujourney.noisetable) ); // Knotty knots for( int i = 0; i < ROTS; i++ ) { gpuknots.rots[i] = v4_cos( v4_add( v4_set( 0, 11, 33, 0 ), v4_set1(i*PIF/2.5f) ) ); } for( int i = 0; i < CORS; i++ ) { v3 v = v3_div1( v3_add1( v3_mul1( v3_cos( v3_add( v3_set1( (i/20.0f)*6.3f ), v3_set( 0, 23, 21 ) ) ), 0.5f ), 0.5f ), 160.0f ); gpuknots.cors[i] = v4_set( v.x, v.y, v.z, 0.0f ); } double t = 0.0; for( int i = 0; i < startpart; i++ ) t += demo_parts[i].duration; framectr = (int)round(t*60.0); if( pauseframe != -1 ) { framectr = pauseframe; addframe = 0; } // Move shadows a bit txt_scrolls->s = txt_scroll->s; txt_scrolls->t = txt_scroll->t; txt_scrolls->t.x -= 0.05f; txt_scrolls->t.y -= 0.05f; txt_quirks->s = txt_quirk->s; txt_quirks->t = txt_quirk->t; txt_quirks->t.x -= 0.05f; txt_quirks->t.y -= 0.05f; puts("Setup done"); } static float megafade( float curr, float start, float end, float fadein, float fadeout ) { float rv = 1.0f; if( curr < start || curr > end ) rv = 0.0f; else if( fadein != 0.0f && curr >= start && curr <= start+fadein ) rv = 1.0f - sinf( PIF/2.0f + ((curr-start) /fadein )*(PIF/2.0f) ); // in fast..slow else if( fadeout != 0.0f && curr >= end-fadeout && curr <= end ) rv = sinf( PIF/2.0f + ((curr-(end-fadeout))/fadeout)*(PIF/2.0f) ); // out slow..fast return rv; } // We solved the HSV edge-color problem: Add a sinus with tops at max color. Duh. #define KOLCNT 6 static v4 kols[KOLCNT] = { {1,0,0,1}, {1,1,0,1}, {0,1,0,1}, {0,1,1,1}, {1,1,0,1}, {1,0,0,1}, }; static vec4 getKol( float f ) { float fi = floorf( f ); int i = ((int)fi)%(KOLCNT-1); float frac = f-fi; float v = sinf01( PIF*0.5f + frac*PIF ); v4 r = v4_mix( kols[i+1], kols[i+0], v ); return (vec4){r.x, r.y, r.z, r.w}; } ///////////////////////////////////////////////////////////////////// LOOP // static bool Loop(void) { static double fps = 0.0; if( gensnaps ) { if( currsnap >= SNAPCNT ) { printf( "Snaps done\n" ); exit( 0 ); } framectr = 0; for( int i = 0; i < snapparts[currsnap]; i++ ) { framectr += (int)round(demo_parts[i].duration*60.0); } framectr += snapframes[currsnap]; v7x->dat.frame = framectr; } if(v7x->key[_R_]) { v7x->key[_R_] = 0; V7ReloadShd(v7x); V7CompShd(v7x); V7List(v7x); } if(v7x->key[_ESC_]) { v7x->key[_ESC_] = 0; return true; } if(v7x->key[_Q_]) { v7x->key[_Q_] = 0; return true; } if(v7x->key[_F_]) { v7x->key[_F_] = 0; V7Fullscreen(v7x); } if(v7x->key[_L_]) { v7x->key[_L_] = 0; V7List(v7x); } if(v7x->key[_R_]) { v7x->key[_R_] = 0; V7ReloadShd(v7x); } if(v7x->key[_I_]) { v7x->key[_I_] = 0; ctrldebug = !ctrldebug; } if(v7x->key[_M_]) { v7x->key[_M_] = 0; msaa = !msaa; } if(v7x->key[_P_]) { v7x->key[_P_] = 0; addframe = addframe ? 0 : 1; } if(v7x->key[_A_]) { v7x->key[_A_] = 0; framectr = MAXX( framectr-60, 0 ); } if(v7x->key[_D_]) { v7x->key[_D_] = 0; framectr = MIIN( framectr+60, demoframes-1 ); } if(v7x->key[_Z_]) { v7x->key[_Z_] = 0; addframe = 0; framectr = MAXX( framectr-1, 0 ); } if(v7x->key[_X_]) { v7x->key[_X_] = 0; addframe = 0; framectr = MIIN( framectr+1, demoframes-1 ); } double demotime = framectr/60.0; // 0.0...end of demo int demoframe = (int)round(demotime*60.0); // We're even more stateless this year! Use -x to render any frame correctly. // Determine which parttime in which shader should be shown next double dtime = 0.0; int id; for( id = 0; id < DEMOPARTS; id++ ) { double dur = demo_parts[id].duration; if( demotime < dtime+dur ) break; dtime += dur; } if( id == DEMOPARTS ) return true; DemoPart *part = &demo_parts[id]; double parttime = demotime - dtime; // 0.0..part->duration float parttimef = (float)parttime; int partframe = (int)round(parttime*60.0); int partw = shaderw ? shaderw : dispw*(msaa?2:1); int parth = shaderh ? shaderh : disph*(msaa?2:1); // *** Quick, hide the stash! for( int i = 0; i < modcnt; i++ ) V7Hide( mods[i] ); // *** Shaders global data v7x->dat.width = partw; v7x->dat.height = parth; v7x->dat.aspect = v7x->dat.width / (float)v7x->dat.height; v7x->dat.time = parttimef; // Reset top text for scrolling in/out txt_top->s = (vec3){ 1.000f, 1.000f, .3f }; txt_tops->s = txt_top->s; txt_top->t = (vec3){ 0.000f, 3.930f, 1.0f }; txt_tops->t = (vec3){ txt_top->t.x-0.05f, txt_top->t.y-0.05f, 1.0f }; // *** Dissolver 4: It never ends, this shit float fin = 0.0f, fout = 0.0f, sspeed = 1.4875f; switch( part->pid ) { case PART_SPONGE: fout = 0.75f; break; case PART_CYBER: fin = 2.0f; fout = 0.75f; break; case PART_JOURNEY: fin = 0.75f; fout = 0.75f; break; case PART_TWOFIELD: fin = 1.00f; fout = 0.50f; sspeed = 1.615f; break; case PART_KNOTS: sspeed = 1.700f; break; case PART_KALEIDO: sspeed = 1.615f; break; case PART_BLACKENED: fout = 2.0f; break; case PART_MIDNIGHT: fin = 1.0f; fout = 1.0f; break; case PART_CREMATORIA: fin = 0.5f; sspeed = 1.615f; break; } demo_models[id]->dissolve = 1.0f - megafade( parttimef, 0.0f, (float)part->duration, fin, fout ); float textwt = megafade( parttimef, 0.0f, (float)part->duration, 1.0f, 0.75f ); // Scroll on, scroll off float topper = 5.07f; txt_top->t.y = topper - (topper-txt_top->t.y) * textwt; txt_tops->t.y = txt_top->t.y - 0.05f; V7Show( txt_scroll ); V7Txt( txt_scroll, part->scrolltext ); txt_scroll->mtr->col = getKol( (float)(demotime*0.33) ); V7Show( txt_scrolls ); V7Txt( txt_scrolls, part->scrolltext ); V7Show( txt_top ); V7Txt( txt_top, part->toptext ); txt_top->mtr->col = getKol( (float)(demotime*0.33+1.0) ); V7Show( txt_tops ), V7Txt( txt_tops, part->toptext ); V7Show( txt_credl ); V7Txt( txt_credl, part->credtext ); txt_credl->mtr->col = (vec4){ 0.8f, 0.8f, 0.8f, textwt }; V7Show( txt_credr ); V7Txt( txt_credr, part->righty ); txt_credr->mtr->col = (vec4){ 1.0f, 1.0f, 1.0f, textwt }; // Scroll dat scroller... vec3 *v0 = (vec3*)txt_scroll->msh->vvtx.arr; vec3 *v1 = (vec3*)txt_scrolls->msh->vvtx.arr; for( int i = 0; i < (int)txt_scroll->msh->vvtx.num; i++ ) { float ti = (float)(0.000f + parttimef*sspeed); float tii = ti+4.0f/60.0f; v0[i].y = v0[i].y - sinf((v0[i].x+ti )/2.f + ti *2.f)/4.5f; v1[i].y = v1[i].y - sinf((v1[i].x+tii)/2.f + tii*2.f)/4.5f; txt_scroll->t.x = 12.50f - ti*3.50f; txt_scrolls->t.x = 12.50f+0.055f - ti*3.50f; txt_scrolls->t.z = txt_scroll->t.z - 0.00001f; } // *** Console info, display debug char inf[80]; snprintf( inf, sizeof(inf), "%5d %7.3f %5d %6.3f %7.2f %4d*%4d %02d/%02d %s", demoframe, demotime, partframe, parttime, fps, v7x->dat.width, v7x->dat.height, id, DEMOPARTS-1, part->title ); static int previd = -1; static double prevtime; if( previd != id || fabs(demotime - prevtime) >= 1.0 ) { previd = id; prevtime = demotime; // printf( "%s \r", inf ); } if( ctrldebug ) { const char *hdr = " TFrm Ttime Pfrm Ptime FPS Res Part"; V7Txt( txt_debug1, hdr ); V7Txt( txt_debug1s, hdr ); V7Show( txt_debug1 ); V7Show( txt_debug1s ); V7Txt( txt_debug2, inf ); V7Txt( txt_debug2s, inf ); V7Show( txt_debug2 ); V7Show( txt_debug2s ); } // *** Part controllers if( part->pid == PART_PITCH ) { txt_credr->mtr->col.w = megafade( parttimef, 0.0f, (float)part->duration, 0.4f, 0.4f ); V7Show( pic_bike1 ); pic_bike1->t.x = 0.0f; pic_bike1->t.y = 0.0f; pic_bike1->dissolve = 1.0f - txt_credr->mtr->col.w; } if( part->pid == PART_BUTTON ) { gputunnel.whitey = MAXX( 1.0f - ((float)part->duration-parttimef), 0.0f ); gputunnel.in_factor = MAXX( 2.3f - (parttimef/3.2f)*1.1f, 0.935f ); V7Show( pic_icarus1 ); pic_icarus1->dissolve = 1.0f - megafade( parttimef, 0.0f, 300.00f, 6.0f, 1.0f ); V7Show( pic_buttoff ); pic_buttoff->dissolve = 1.0f - megafade( parttimef, 0.0f, 3.20f, 1.5f, 0.0f ); V7Show( pic_button ); pic_button->dissolve = 1.0f - megafade( parttimef, 3.20f, 6.00f, 0.0f, 1.0f ); V7Show( pic_bike2 ); pic_bike2->t = (vec3) { 45.00f - parttimef*5.0f, -5.05f, 0.0f }; char *t; if( parttime <= 6.0f ) { t = "\x02""\n""\x02""All programs have a\n\n\n\n""\x02""desire to be useful\n"; // From Tron // t = "\x02""All programs have a\n\n\n\n\n\n""\x02""desire to be useful\n"; // From Tron txt_quirk->mtr->col.w = megafade( parttimef, 3.20f, 6.00f, 0.5f, 1.0f ); } else { t = "\x02""\n""\x02""Corneliusen / Julin / Ringstad\n\n\n\n""\x02""The Xmas Demo 2025\n"; txt_quirk->mtr->col.w = megafade( parttimef, 6.0f, (float)part->duration-0.0f, 1.0f, 0.5f ); pic_pig1->s = (vec3){ 1.510f, 1.510f, 1.0f }; pic_pig1->t = (vec3){ 8.0f, -15.0f + sinf01( (parttimef-6.0f)*0.55f )*15.0f, 0.0f }; V7Show( pic_pig1 ); pic_pig2->s = pic_pig1->s; pic_pig2->t = (vec3){ -pic_pig1->t.x, -pic_pig1->t.y, 0.0f }; V7Show( pic_pig2 ); } if( gentitle ) { txt_top->t.x = -3.300f; txt_tops->t.x = txt_top->t.x-0.05f; txt_top->mtr->col = (vec4){1.0f,1.0f,0.0f,1.0f}; V7Txt( txt_top, "The Xmas Demo 2025\n" ); V7Txt( txt_tops, "The Xmas Demo 2025\n" ); V7Txt( txt_bot, "4K Ultra HD\n" ); V7Show( txt_bot ); V7Txt( txt_bots, "4K Ultra HD\n" ); V7Show( txt_bots ); V7Hide( pic_bike2 ); txt_quirk->s = (vec3){ 1.15f, 1.15f, 0.3f }; txt_quirk->t.x = 0.0f; txt_quirk->t.y = 3.20f; txt_quirks->s = (vec3){ 1.15f, 1.15f, 0.3f }; txt_quirks->t.x = -0.05f; txt_quirks->t.y = 3.15f; t = "\x02""\n""\x02""All programs have a\n\n\n\n""\x02""desire to be useful\n"; // From Tron } V7Show( txt_quirk ); V7Txt( txt_quirk, t ); V7Show( txt_quirks ); V7Txt( txt_quirks, t ); txt_quirks->mtr->col.w = txt_quirk->mtr->col.w; } if( part->pid == PART_SPONGE ) { gpugen.in_factor = 1.0f - megafade( parttimef, 0.0f, (float)part->duration-1.0f, 1.0f, 2.0f ); pic_xmas->dissolve = 1.0f - megafade( parttimef, 8.0f, 15.0f, 0.5f, 0.75f ); V7Show( pic_xmas ); } if( part->pid == PART_MIDNIGHT ) { gpugen.in_factor = 1.0f; if( parttimef >= 8.0f && parttimef < 12.0f ) { char *t = "\x02""The Xmas Demo Awakens\n"; // Star Wars part 7: The Force Awakens V7Txt( txt_top, t ); V7Txt( txt_tops, t ); txt_top->s = (vec3){ 1.20f, 1.20f, 0.3f }; txt_tops->s = txt_top->s; txt_top->t = (vec3){ 0.06f, 3.74f, 1.0f }; txt_tops->t = (vec3){ txt_top->t.x-0.05f, txt_top->t.y-0.05f, txt_top->t.z }; } } if( part->pid == PART_JOURNEY ) { // One day we'll find the loop bug. Today was not that day. float tt = parttimef*0.275f; v3 vuv = v3_set( sinf(tt*0.7f), 1.0f, sinf(tt*0.9f) ); float camSpeed = tt*0.3f; v3 vrp = v3_set( sinf(camSpeed+0.2f)*32.0f, 0.0f, cosf(camSpeed+0.2f)*32.0f ); float camCenterDist = 2.1f+expf(-20.0f*powf(sinf(tt*0.2f)+1.0f,20.0f))*2.8f; v3 prp = v3_set( sinf(camSpeed)*32.0f, 0.0f, cosf(camSpeed)*32.0f ); camSpeed += sinf(tt*0.3f)*0.5f; vrp = v3_set( sinf(camSpeed)*32.0f, 0.0f, cosf(camSpeed)*32.0f ); v3 camMovP = v3_set( sinf(tt)*camCenterDist, cosf(tt)*camCenterDist, 0.0f ); v3 c0 = v3_normalize(prp); v3 c1 = v3_set( 0.0f, 1.0f, 0.0f ); v3 c2 = v3_normalize( v3_sub( vrp, prp ) ); prp = v3_add( prp, v3_set( v3_dot( c0, camMovP ), v3_dot( c1, camMovP ), v3_dot( c2, camMovP ) ) ); v3 vpn = v3_normalize( v3_sub( vrp, prp ) ); v3 u = v3_normalize( v3_cross( vuv, vpn ) ); v3 v = v3_cross( vpn, u ); v3 scr = v3_add( prp, v3_mul1( vpn, 1.5f ) ); gpujourney.xfactor = (float)MIIN( part->duration-parttimef, 1.0f ); gpujourney.in_prp = v4_set( prp.x, prp.y, prp.z, 0.0f ); gpujourney.in_u = v4_set( u.x, u.y, u.z, 0.0f ); gpujourney.in_v = v4_set( v.x, v.y, v.z, 0.0f ); gpujourney.in_scr = v4_set( scr.x, scr.y, scr.z, 0.0f ); gpujourney.jtime = tt; gpujourney.in_factor = 0.75f; vec3 *w = (vec3 *)txt_scroll->msh->vvtx.arr; pic_player2->t = (vec3){ 114.75f - parttimef*7.55f*0.85f, -5.41f + w[60].y*1.6f, 0.0f }; pic_player1->t = (vec3){ 151.35f - parttimef*7.55f*0.85f, -4.71f + w[46].y*1.6f, 0.0f }; V7Show( pic_player2 ); V7Show( pic_player1 ); pic_chrisr->dissolve = 1.0f - megafade( parttimef, 0.0f, (float)part->duration, 0.5f, 0.5f ); V7Show( pic_chrisr ); pic_turrican->t.y = MIIN( 4.30f, -69.00f + parttimef*4.0f ); // Scrollican pic_turrican->dissolve = 1.0f - megafade( parttimef, 0.000f, 25.500f, 1.0f, 1.0f ); V7Show( pic_turrican ); float topp = 5.07f; float wt = 1.0f - megafade( parttimef, 17.5f, 25.5f, 1.0f, 1.0f ); txt_top->t.y = topper - (topp-txt_top->t.y) * wt; txt_tops->t.y = txt_top->t.y - 0.05f; } if( part->pid == PART_TWOFIELD ) { pic_amiga->t.x = 66.0f - parttimef*7.5f; V7Show( pic_amiga ); // Calculate meatball trajectories, old style for( int i = 0; i < TFNUM; i++ ) { float t = parttimef*0.5f; float fi = i*0.7f; gputwofield.b1[i] = v4_set( 1.0f+10.0f*cosf(t*1.1f+fi), 3.7f*sinf(t +fi), 2.3f*sinf(t*2.3f+fi), 0.0f ); fi = i*1.2f; gputwofield.b2[i] = v4_set( -1.0f-10.0f*cosf(t*0.7f+fi), 4.4f*cosf(t*.4f+fi), -2.1f*sinf(t*1.3f+fi), 0.0f ); } gputwofield.in_factor = 1.0f; // Move lights float fw = (parttimef+0.50f) * 0.23625f*0.75f; bool on = parttimef <= part->duration - 5.0f; int lights = on ? (int)MIIN( parttimef*11.0f, LIGHTNUM ) : (int)MAXX( MIIN( LIGHTNUM, (parttimef-(part->duration-5.0f))*10.0f ), 0.0f ); int i; for( i = 0; i < lights; i++ ) { float frac = fract( fw + (i*1.0f/(float)LIGHTNUM*2) ); gputwofield.lightpos[i].y = on ? 10.0f * sinf( frac * (PIF * 2.0f) ) : -100.0f; gputwofield.lightpos[i].z = on ? 11.0f * cosf( frac * (PIF * 2.0f) ) : -100.0f; } for( ; i < LIGHTNUM; i++ ) { float frac = fract( fw + (i*1.0f/(float)LIGHTNUM*2) ); gputwofield.lightpos[i].y = on ? -100.0f : 10.0f * sinf( frac * (PIF * 2.0f) ); gputwofield.lightpos[i].z = on ? -100.0f : 11.0f * cosf( frac * (PIF * 2.0f) ); } } if( part->pid == PART_CYBER ) { if( parttimef <= 0.5f ) V7Show( pic_secret ); if( parttimef >= 26.800f ) V7Show( pic_fist ); float tt = -3.0f + parttimef*0.80f; float wt = tt >= 15.0f ? fmaxf( 1.0f-(tt-15.0f)*0.29f, 0.0f ) : 1.0f; gpucyber.ta_in = v4_set( sinf(tt*0.6f*1.14f*0.8571f)*1.8f*wt, cosf(tt*0.5f*1.14f*0.8571f)*1.8f*wt, 0.0f, 0.0f); // Cam dir gpucyber.ro_in = v4_set( 0.0f, 0.0f, -5.2f+tt*0.160f, 0.0f ); // Move forwards, not backwards gpucyber.scale = tt >= 19.0f ? fmaxf( 0.05f, 1.0f-(tt-19.0f)*0.50f ) : 1.0f; gpucyber.nostromo = 3.50f - MIIN( 0.7f, parttimef*0.023f ); if( parttimef >= 15.0f && parttimef < 19.0f ) { char *t = "\x02""Cult of The Xmas Demo\n"; // Cult of Chucky is part 7 in the Child's Play series. AHS: Cult is season 7. txt_top->s.x = 1.327f; txt_top->s.y = 1.327f; txt_top->t.x = 0.05f; txt_top->t.y = 3.73f; txt_tops->s.x = 1.327f; txt_tops->s.y = 1.327f; txt_tops->t.x = txt_top->t.x-0.05f; txt_tops->t.y = txt_top->t.y-0.05f; V7Txt( txt_top, t ); V7Txt( txt_tops, t ); } } if( part->pid == PART_KALEIDO ) { vec3 *w = (vec3*)txt_scroll->msh->vvtx.arr; V7Show( pic_pig2 ); pic_pig2->s = (vec3){1.510f, 1.510f, 1.0f}; pic_pig2->t = (vec3){ 14.35f - parttimef*8.15f*0.85f, -4.58f + w[0].y *1.6f, 0.0f }; V7Show( pic_pig1 ); pic_pig1->s = pic_pig2->s; pic_pig1->t = (vec3){ 89.95f - parttimef*8.15f*0.85f, -4.18f + w[txt_scroll->msh->vvtx.num-1].y*1.6f, 0.0f }; if( parttime >= part->duration-2.0 ) gpugen.in_factor = 1.0f - (parttimef-((float)part->duration-2.0f))*0.50f; else gpugen.in_factor = MIIN( parttimef*0.5f, 1.0f ); } if( part->pid == PART_KNOTS ) { gpuknots.in_factor = megafade( parttimef, 0.0f, (float)part->duration, 2.0f, 4.0f ); pic_motion->s.x = 7.575f + sinf(parttimef*2.5f)*0.75f; pic_motion->s.y = 7.575f + cosf(parttimef*2.5f)*0.75f; V7Show( pic_motion ); pic_motion->dissolve = 1.0f - megafade( parttimef, 0.0f, (float)part->duration-7.0f, 1.0f, 1.0f ); V7Show( pic_bug ); pic_bug->dissolve = 1.0f - megafade( parttimef, (float)part->duration-7.5f, (float)part->duration, 1.0f, 1.0f ); V7Show( pic_stooge ); pic_stooge->t.x = 10.40f - 0.95f*megafade( parttimef, 9.0f, 14.0f, 0.5f, 0.5f ); } if( part->pid == PART_GLASSY ) { if( parttime >= part->duration-2.0 ) gpugen.in_factor = megafade( parttimef, 0.0f, (float)part->duration, 0.0f, 2.0f ); else gpugen.in_factor = MIIN(sinf(MIIN(parttimef*0.75f,PIF/2.0f)),1.0f); float topp = 5.07f; float wt = 1.0f - megafade( parttimef, 10.80f, 21.0f, 1.0f, 1.0f ); txt_top->t.y = topper - (topp-txt_top->t.y) * wt; txt_tops->t.y = txt_top->t.y - 0.05f; pic_igno->t.y = MIIN( 4.71f, -41.65f + parttimef*4.0f ); pic_igno->dissolve = 1.0f - megafade( parttimef, 0.000f, 21.000f, 1.0f, 1.0f ); V7Show( pic_igno ); } if( part->pid == PART_CREMATORIA ) { vec3 *w = (vec3 *)txt_scroll->msh->vvtx.arr; V7Show( pic_tomb ); pic_tomb->t = (vec3){ 88.70f - parttimef*8.15f*0.85f, -4.00f + w[txt_scroll->msh->vvtx.num-1].y*1.6f, 0.0f }; gpugen.in_factor = (0.3f * megafade( parttimef*0.25f, 0.0f, (float)(part->duration*0.25), 0.5f, 0.5f )); } if( part->pid == PART_BLACKENED ) { char *t; if( parttimef >= 5.0f && parttimef <= 6.0f ) { t = "\x02""\n""\x02""5202 omeD samX ehT\n\n\n\n""\x02""datsgniR / niluJ / nesuilenroC\n"; V7Show( pic_icarus3 ); V7Txt( txt_credr, "\x03""mrotsdalv\n" ); txt_credr->mtr->col = txt_credl->mtr->col; V7Txt( txt_credl, "" ); V7Show( pic_bike2 ); pic_bike2->t = (vec3){ -13.50f + parttimef*3.5f, -5.05f, 0.0f }; } else { t = "\x02""\n""\x02""The Xmas Demo 2025\n\n\n\n""\x02""Corneliusen / Julin / Ringstad\n"; V7Show( pic_icarus2 ); pic_icarus2->dissolve = 1.0f - megafade( parttimef, 0.7f, (float)part->duration, 0.5f, 2.0f ); V7Show( pic_bike1 ); pic_bike1->t = (vec3){ -13.50f + parttimef*3.5f, -5.05f, 0.0f }; pic_bike1->dissolve = 0.0f; } txt_quirk->mtr->col.w = megafade( parttimef, 0.5f, (float)part->duration, 0.5f, 2.0f ); txt_quirks->mtr->col.w = txt_quirk->mtr->col.w; V7Txt( txt_quirk, t ); V7Show( txt_quirk ); V7Txt( txt_quirks, t ); V7Show( txt_quirks ); } if( part->pid == PART_KNOBS ) { V7Show( pic_moi ); pic_moi->dissolve = 1.0f - megafade( parttimef, 0.00f, (float)part->duration-1.5f, 0.25f, 0.25f ); V7Show( pic_sig ); pic_sig->dissolve = pic_moi->dissolve; } V7RenderToTex(v7x, demo_models[id], fbtex, partw, parth ); V7Render(v7x); if( savepics ) { char fn[256]; if( gentitle ) snprintf( fn, sizeof(fn), "%sicarus.jpg", SAVEPATH ); else if( gensnaps ) snprintf( fn, sizeof(fn), "%ssnap_%02d_%04d_%d.jpg", SAVEPATH, snapparts[currsnap], snapframes[currsnap], snapres[currsnap] ); else snprintf( fn, sizeof(fn), "%sout%05d.jpg", SAVEPATH, framectr ); if( gentitle || gensnaps || pauseframe != -1 || framectr%60 == 0 ) printf( "%s %d\n", fn, framectr ); V7GrabFrame( v7x, fn ); if( gentitle || pauseframe != -1 ) exit( 0 ); if( gensnaps ) currsnap++; } framectr += addframe; totalframes++; static double starttime = 0.0; static int startframe = 0; if( totalframes-startframe == 60 ) { double now = V7Time(); fps = 60.0/(now-starttime); starttime = now; startframe = totalframes; if( savepics ) fps = 60.0f; } return false; } static void SetCWD(char *rel) { char dir[260], div; size_t len; #ifdef __linux__ len = readlink("/proc/self/exe", dir, sizeof(dir)-1); div = '/'; #else len = GetModuleFileNameA(NULL, dir, sizeof(dir)-1); div = '\\'; #endif while(len>0) if(dir[--len]==div) { if(rel==0) dir[len] = 0; // use exe directory else strcpy(&dir[++len], rel); // relative path break; } #ifdef __linux__ int ret = chdir(dir); #else SetCurrentDirectoryA(dir); #endif } static int getval( int argc, char **argv, int pos, int minval, int maxval ) { if( pos >= argc ) { printf( "Option value missing!\n" ); return -1; } int rc = atoi( argv[pos] ); if( rc < minval || rc > maxval ) { printf( "Argument out of range! Got %d, range %d-%d\n", rc, minval, maxval ); return -1; } return rc; } int main(int argc, char **argv) { bool uhd = false; bool fullscreen = true; bool vsync = true; printf( "The Xmas Demo 2025 by Corneliusen / Julin / Ringstad\n" ); printf( "More info here: https://www.ignorantus.com/xmasdemo/\n" ); for( int i = 0; i < DEMOPARTS; i++ ) { demo_parts[i].duration = demo_parts[i+1].starttime - demo_parts[i].starttime; demoduration += demo_parts[i].duration; } demoframes = (int)(demoduration*60.0); for( int i = 1; i < argc; i++ ) { if( !strcmp( argv[i], "-h" ) ) { printf( "Usage: %s [-w] [-v] [-o] [-d] [-i] [-t] [-z] [-m] [-u] [-l] [-p ] [-x ] [-s ]\n", argv[0] ); printf( " -w: Run in window\n" ); printf( " -v: Disable vsync\n" ); printf( " -o: Save frames to %s\n", SAVEPATH ); printf( " -d: Shader debug on\n" ); printf( " -i: Control debug on\n" ); printf( " -t: Generate title picture\n" ); printf( " -z: Generate snapshots\n" ); printf( " -m: I can't believe it's not MSAA on\n" ); printf( " -u: UHD\n" ); printf( " -l: List parts\n" ); printf( " -p : Start at part \n" ); printf( " -x : Start paused at frame \n" ); printf( " -s : Force shaders to WxH resolution. Careful!\n" ); return 0; } if( !strcmp( argv[i], "-w" ) ) { printf( "Windowed mode enabled\n" ); fullscreen = false; continue; } if( !strcmp( argv[i], "-v" ) ) { printf( "Vsync disabled\n" ); vsync = false; continue; } if( !strcmp( argv[i], "-o" ) ) { printf( "Saving frames to %s\n", SAVEPATH ); savepics = true; continue; } if( !strcmp( argv[i], "-d" ) ) { printf( "Shader debug on\n" ); shdebug = true; continue; } if( !strcmp( argv[i], "-i" ) ) { printf( "Control debug on\n" ); ctrldebug = true; continue; } if( !strcmp( argv[i], "-t" ) ) { printf( "Generating title picture only\n" ); gentitle = true; pauseframe = 720; msaa = true; continue; } if( !strcmp( argv[i], "-z" ) ) { printf( "Generating snapshots\n" ); gensnaps = true; savepics = true; msaa = true; uhd = true; continue; } if( !strcmp( argv[i], "-m" ) ) { printf( "I can't believe it's not MSAA on\n" ); msaa = true; continue; } if( !strcmp( argv[i], "-u" ) ) { printf( "UHD on\n" ); uhd = true; continue; } if( !strcmp( argv[i], "-l" ) ) { double tot = 0.0; int secs = 0, ms = 0; printf( "No Title Start Dur Fr First Last\n" ); printf( "----------------------------------------------------\n" ); for(int j = 0; j < DEMOPARTS; j++ ) { DemoPart *dp = &demo_parts[j]; printf( "%2d: %-15s %3d.%03d %6.3f %5d %5d %5d\n", j, dp->title, secs, ms, dp->duration, (int)round(dp->duration*60.0), (int)round(tot*60.0), (int)round((tot+dp->duration)*60.0)-1 ); tot += dp->duration; secs = (int)tot; ms = (int)(fract((float)tot)*1000); } printf( "----------------------------------------------------\n" ); printf( "%02d Runtime: %3d.%03d %05d\n", DEMOPARTS, secs, ms, (int)round(tot*60.0) ); return 0; } if( !strcmp( argv[i], "-p" ) ) { startpart = getval( argc, argv, i+1, 0, DEMOPARTS-1 ); if( startpart == -1 ) return 1; printf( "Start at part %d\n", startpart ); i++; continue; } if( !strcmp( argv[i], "-x" ) ) { pauseframe = getval( argc, argv, i+1, 0, demoframes-1 ); if( pauseframe == -1 ) return 1; printf( "Start paused at frame %d\n", pauseframe ); i++; continue; } if( !strcmp( argv[i], "-s" ) ) { if( i+1 >= argc ) { printf( "Missing argument for -s\n" ); return 1; } int rc = sscanf( argv[i+1], "%dx%d", &shaderw, &shaderh ); if( rc != 2 ) { printf( "Need WxH for -s\n" ); return 1; } printf( "Force shader res: %d*%d\n", shaderw, shaderh ); i++; continue; } printf( "Unknown argument %s!\n", argv[i] ); return 1; } SetCWD(0); dispw = uhd ? 3840 : 1920; disph = uhd ? 2160 : 1080; v7x = V7Create(L"A M00se once bit my sister...", 0, 0, dispw, disph, fullscreen, vsync?1:0, 0); if(!v7x) return -1; glClearColor( 0, 0, 0, 0 ); V7SET( v7x->flags, V7TOFF ); Setup(); double t0 = V7Time(); while( !Loop() ) ; double t1 = V7Time(); printf( "\n%d frames rendered in %f seconds: %f fps\n\n", totalframes, t1-t0, totalframes/(t1-t0) ); V7Destroy(v7x); return 0; }