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hyperrogue/rogueviz-video.cpp
2018-12-14 19:30:17 +01:00

266 lines
7.8 KiB
C++

// RogueViz -- source code for creating videos and animations
// Copyright (C) 2011-2016 Zeno Rogue, see 'hyper.cpp' for details
namespace rogueviz {
#if CAP_SDL
// see: https://www.youtube.com/watch?v=4Vu3F95jpQ4&t=6s (Collatz)
// see: https://www.youtube.com/watch?v=mDG3_f8R2Ns (SAG boardgames)
// see: https://www.youtube.com/watch?v=WSyygk_3j9o (SAG roguelikes)
// see: https://www.youtube.com/watch?v=HWQkDkeEUeM (SAG programming languages)
void rvvideo(const string &fname) {
if(kind == kCollatz) {
sightrange_bonus = 3;
genrange_bonus = 3;
dronemode = true; vid.camera_angle = -45; rog3 = true; patterns::whichShape = '8';
vid.aurastr = 512;
long long reached = 763ll;
while(reached < (1ll<<60)) {
if(reached%3 == 2 && (2*reached-1) % 9 && hrand(100) < 50)
reached = (2*reached-1) / 3;
else reached *= 2;
}
printf("reached = %lld\n", reached);
vector<string> seq;
while(reached>1) {
seq.push_back(llts(reached));
if(reached&1) reached += (reached>>1)+1;
else reached >>= 1;
}
// seq.push_back("1");
reverse(seq.begin(), seq.end());
int id = 0;
int next = 0;
int steps = 0;
while(true) {
steps++;
if(std::isnan(View[0][0])) exit(1);
shmup::turn(100);
drawthemap();
centerpc(100); optimizeview();
fixmatrix(View);
bfs(); setdist(cwt.at, 7 - getDistLimit() - genrange_bonus, NULL);
vertexdata& vd = vdata[id];
for(int e=0; e<isize(vd.edges); e++) {
int id2 = vd.edges[e].first;
if(vdata[id2].name == seq[next]) {
id = id2; next++;
cwt.at = shmup::pc[0]->base = vdata[id2].m->base;
if(next == isize(seq)) goto found;
}
}
}
found:
printf("steps = %d\n", steps);
conformal::create(), conformal::rotation = 1;
// pmodel = mdBand;
#define STORYCOUNT 24
#define T(m,ss) (60*24*(m)+24*(ss))
#define FRAMECOUNT T(4,55)
printf("framecount = %d\n", FRAMECOUNT);
struct storydata { int s; int e; const char *text; } story[] = {
{T(0,14), T(0,17), "I am flying above a tree of numbers."},
{T(0,17), T(0,20), "It starts with the number 1."},
{T(0,20), T(0,23), "Each number n branches left to 2n."},
{T(0,23), T(0,28), "And it branches right to (2n-1)/3 if possible."},
{T(1, 8), T(1,11), "What I am flying above is not a plane."},
{T(1,11), T(1,14), "It is not a sphere either."},
{T(1,14), T(1,17), "To be honest, the space I live in..."},
{T(1,17), T(1,20), "...is not even Euclidean."},
{T(2,12), T(2,15), "Look, angles of a triangle add up to..."},
{T(2,15), T(2,18), "...less than 180 degrees in this world."},
{T(2,18), T(2,21), "6/7 of 180 degrees, to be exact."},
{T(2,21), T(2,24), "Do you see the regular heptagons?"},
{T(2,36), T(2,42), "And all these lines are straight."},
{T(3, 8), T(3,11), "Lots of space in my world."},
{T(3,11), T(3,14), "In 105 steps from the root..."},
{T(3,14), T(3,17), "...there are trillions of numbers."},
{T(3,17), T(3,20), "That would not fit in your world."},
{T(4,0), T(4,3), "Is every positive number somewhere in the tree?"},
{T(4,3), T(4,6), "Your mathematicians do not know this yet."},
{T(4,6), T(4,10), "Will you find the answer?"},
{T(4,44), T(4,54), "music: Ambient Flow, by Indjenuity"},
{T(2,6), T(2,27), "@triangles"},
{T(2,27), T(2,42), "@network"},
{0, T(0,7), "@fi"},
{T(4,48), T(4,55), "@fo"},
{0,0,NULL}
};
int drawtris=0, drawnet=0;
for(int i=0; i<FRAMECOUNT; i++) {
const char *caption = NULL;
int fade = 255;
bool dt = false, dn = false;
for(int j=0; story[j].text; j++) if(i >= story[j].s && i <= story[j].e) {
if(story[j].text[0] != '@')
caption = story[j].text;
else if(story[j].text[1] == 't')
dt = true;
else if(story[j].text[1] == 'n')
dn = true;
else if(story[j].text[2] == 'i')
fade = 255 * (i - story[j].s) / (story[j].e-story[j].s);
else if(story[j].text[2] == 'o')
fade = 255 * (story[j].e - i) / (story[j].e-story[j].s);
}
if(dt && drawtris < 255) drawtris++;
else if(drawtris && !dt) drawtris--;
linepatterns::setColor(linepatterns::patZebraTriangles, 0x40FF4000 + drawtris);
if(dn && drawnet < 255) drawnet++;
else if(drawnet && !dn) drawnet--;
linepatterns::setColor(linepatterns::patZebraLines, 0xFF000000 + drawnet);
vid.grid = drawnet;
conformal::phase = 1 + (isize(conformal::v)-3) * i * .95 / FRAMECOUNT;
conformal::movetophase();
char buf[500];
snprintf(buf, 500, fname.c_str(), i);
if(i == 0) drawthemap();
shmup::turn(100);
printf("%s\n", buf);
shot::shoty = 1080; shot::shotx = 1920;
shot::caption = caption;
shot::fade = fade;
shot::take(buf);
}
return;
}
for(int i=0; i<1800; i++) {
char buf[500];
snprintf(buf, 500, fname.c_str(), i);
shmup::pc[0]->base = currentmap->gamestart();
shmup::pc[0]->at = spin(i * 2 * M_PI / (58*30.)) * xpush(1.7);
if(i == 0) drawthemap();
shmup::turn(100);
if(i == 0) drawthemap();
centerpc(100);
printf("%s\n", buf);
shot::take(buf);
}
}
string its05(int i) { char buf[64]; sprintf(buf, "%05d", i); return buf; }
#define TSIZE 4096
// see: https://www.youtube.com/watch?v=HZNRo6mr5pk
void staircase_video(int from, int num, int step) {
resetbuffer rb;
renderbuffer rbuf(TSIZE, TSIZE, true);
vid.stereo_mode = sODS;
for(int i=from; i<num; i+=step) {
ld t = i * 1. / num;
t = pow(t, .3);
staircase::scurvature = t * t * (t-.95) * 4;
staircase::progress = i / 30.;
staircase::strafex = (sin(i / 240.) - sin(i / 501.)) / 2.5;
staircase::strafey = (cos(i / 240.) - cos(i / 501.)) / 2.5;
staircase::make_staircase();
rbuf.enable();
dynamicval<int> vx(vid.xres, TSIZE);
dynamicval<int> vy(vid.yres, TSIZE);
dynamicval<int> vxc(current_display->xcenter, TSIZE/2);
dynamicval<int> vyc(current_display->ycenter, TSIZE/2);
current_display->set_viewport(0);
printf("draw scene\n");
rug::drawRugScene();
IMAGESAVE(rbuf.render(), ("staircase/" + its05(i) + IMAGEEXT).c_str());
printf("GL %5d/%5d\n", i, num);
}
rb.reset();
}
#undef TSIZE
#define TSIZE 2048
// see: https://twitter.com/ZenoRogue/status/1001127253747658752
// see also: https://twitter.com/ZenoRogue/status/1000043540985057280 (older version)
void bantar_record() {
resetbuffer rb;
renderbuffer rbuf(TSIZE, TSIZE, true);
int fr = 0;
for(int i=0; i < 10000; i += 33) {
if(i % 1000 == 999) i++;
ticks = i;
rbuf.enable();
vid.xres = vid.yres = TSIZE;
current_display->set_viewport(0);
banachtarski::bantar_frame();
IMAGESAVE(rbuf.render(), ("bantar/" + its05(fr) + IMAGEEXT).c_str());
printf("GL %5d/%5d\n", i, 10000);
fr++;
}
rb.reset();
}
#undef TSIZE
#if CAP_COMMANDLINE
int videoArgs() {
using namespace arg;
if(argis("-rvvideo")) {
shift(); rvvideo(arg::args());
}
else if(argis("-staircase_video")) {
staircase_video(0, 128*30, 1); // goal: 168*30
}
else if(argis("-bantar_record")) {
using namespace banachtarski;
PHASE(3);
peace::on = true;
airmap.clear();
ForInfos if(cci.second.c->monst == moAirElemental)
cci.second.c->monst = moFireElemental;
bantar_record();
}
else return 1;
return 0;
}
#endif
#endif
auto rv_hooks = addHook(hooks_args, 100, videoArgs);
}