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hyperrogue/rogueviz/simple-impossible.cpp

485 lines
12 KiB
C++
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#include "rogueviz.h"
namespace hr {
namespace bricks {
struct brick {
euc::coord co;
color_t col;
int walls;
hyperpoint location;
hpcshape shRotWall[6];
};
vector<brick> bricks;
euc::coord centerer (-3, -1, -1);
euc::coord last_co;
hyperpoint last_loc;
transmatrix to_iso, from_iso;
hyperpoint to_rot(hyperpoint h) {
if(nil) h[2] -= h[0] * h[1] / 2;
return h;
}
hyperpoint to_heis(hyperpoint h) {
if(nil) h[2] += h[0] * h[1] / 2;
return h;
}
void make_wall(hpcshape& sh, vector<hyperpoint> hs) {
cgi.bshape(sh, PPR::WALL);
cgi.last->flags |= POLY_TRIANGLES | POLY_PRINTABLE;
hyperpoint ctr = (hs[0] + hs[1] + hs[2] + hs[3]) / 4;
hs.push_back(hs[0]);
for(int a=0; a<4; a++)
texture_order([&] (ld x, ld y) {
hyperpoint h = ctr + (hs[a+1]-ctr) * x + (hs[a]-ctr) * y;
cgi.hpcpush(h);
});
cgi.finishshape();
}
void place_brick(euc::coord co, color_t col = 0xFFD500, int which = -1) {
bricks.emplace_back();
brick& bri = bricks.back();
bri.co = co;
bri.col = col;
bri.walls = which;
auto rel = co - last_co;
bri.location = eupush(last_loc) * to_heis(to_iso * (point31(rel[0], rel[1], rel[2])));
hyperpoint sloc, floc;
array<hyperpoint, 8> vertices;
for(int a=0; a<8; a++) {
hyperpoint h = C0;
for(int c=0; c<3; c++)
h[c] = (a & (1<<c)) ? .5 : -.5;
h = to_iso * h;
to_heis(h);
vertices[a] = h;
}
euc::coord root = co, next = co;
hyperpoint root_loc = bri.location, next_loc = bri.location;
for(int c=0; c<3; c++) {
while(root[c] % 6 != 0)
root[c]--, root_loc = eupush(root_loc) * to_heis(to_iso * (C0 - ctangent(c, 1)));
while(next[c] % 6 != 0)
next[c]++, next_loc = eupush(next_loc) * to_heis(to_iso * (C0 + ctangent(c, 1)));
}
array<hyperpoint, 8> mvertices = vertices;
println(hlog, co, root, next, root_loc, next_loc);
for(int c=0; c<3; c++)
if(co[c] % 6)
for(int a=0; a<8; a++)
if(a & (1<<c)) {
int b = a ^ (1<<c);
ld p0 = (gmod(co[c], 6) - 1) / 5.;
ld p1 = (gmod(co[c], 6) - 0) / 5.;
hyperpoint start = mvertices[a];
hyperpoint end = inverse(eupush(root_loc)) * eupush(next_loc) * mvertices[b];
end = inverse(eupush(start)) * end;
end = to_rot(end);
vertices[b] = inverse(eupush(bri.location)) * eupush(root_loc) * eupush(start) * to_heis(lerp(C0, end, p0));
vertices[a] = inverse(eupush(bri.location)) * eupush(root_loc) * eupush(start) * to_heis(lerp(C0, end, p1));
/*
vertices[b] = lerp(
inverse(eupush(bri.location)) * eupush(root_loc) * mvertices[a],
inverse(eupush(bri.location)) * eupush(next_loc) * mvertices[b],
(gmod(co[c], 6) - 1) / 5.);
vertices[a] = lerp(
inverse(eupush(bri.location)) * eupush(root_loc) * mvertices[a],
inverse(eupush(bri.location)) * eupush(next_loc) * mvertices[b],
(gmod(co[c], 6) - 0) / 5.);
*/
}
last_loc = bri.location;
last_co = co;
for(int di=0; di<6; di++) {
vector<hyperpoint> hs;
for(int a=0; a<4; a++) {
int b = a;
int id = 0;
for(int c=0; c<3; c++) {
if(c == di)
id += (1<<c);
else if(c != di-3) {
if(b&1) id += (1<<c);
b >>= 1;
}
}
hs.push_back(vertices[id]);
}
swap(hs[2], hs[3]);
make_wall(bri.shRotWall[di], hs);
}
}
void place_brick(int x, int y, int z, color_t col = 0xFFD500, int which = -1) {
place_brick(euc::coord(x,y,z), col, which);
}
bool walls_created = false;
const int darkval_e6[6] = {0,4,6,0,4,6};
void draw_ro() {
shiftmatrix Zero = ggmatrix(currentmap->gamestart());
if(true) {
int bid = 0;
for(auto& b: bricks) { bid++;
transmatrix V = eupush(b.location);
int which = b.walls;
color_t wcol = b.col;
int d = (wcol & 0xF0F0F0) >> 4;
for(int di=0; di<6; di++) if((1<<di)&which) {
auto &w1 = queuepoly(Zero * V, b.shRotWall[di], darkena(wcol - d * darkval_e6[di], 0, 0xFF));
w1.tinf = &floor_texture_vertices[cgi.shFloor.id];
ensure_vertex_number(*w1.tinf, w1.cnt);
}
}
if(!among(pmodel, mdPerspective, mdGeodesic)) {
shiftmatrix S = euclid ? cview() : shiftless(Id);
vid.linewidth *= 3;
for(int dir=0; dir<3; dir++) {
curvepoint(C0 + ctangent(dir, -1));
curvepoint(C0 + ctangent(dir, 1));
queuecurve(S, 0xFFFFFFFF, 0, PPR::LINE);
// queuestr(C0 + ctangent(dir, 1), 1, "X", 0xFFFFFFFF);
}
vid.linewidth /= 3;
}
}
}
vector<hyperpoint> path;
void build(bool in_pair) {
to_iso = cspin(1, 2, atan(1/sqrt(2))) * cspin(0, 2, M_PI/4);
from_iso = inverse(to_iso);
last_co = euc::coord(0, 0, 3);
last_loc = C0;
place_brick(0, 0, 4, 0x00FF00, 0);
place_brick(0, 0, 5, 0x00FF00, 0);
place_brick(0, 0, 5, 0x00FF00, euclid ? -1 : 0);
place_brick(0, 0, 4, 0xFFD500, 63 - 9 * 4);
place_brick(0, 0, 3, 0xFFD500, 63 - 9 * 4);
place_brick(0, 0, 2, 0xFFD500, 63 - 9 * 4);
place_brick(0, 0, 1, 0xFFD500, 63 - 9 * 4);
place_brick(0, 0, 0, 0xFFD500, 63 - 4 - 1);
path.push_back(last_loc);
if(nil && in_pair) {
place_brick(0, 1, 0, 0xFF0000, 1 + 32);
place_brick(0, 0, 0, 0xFFD500, 0);
}
place_brick(1, 0, 0, 0xFFD500, 63 - 9 * 1);
place_brick(2, 0, 0, 0xFFD500, 63 - 9 * 1);
place_brick(3, 0, 0, 0xFFD500, 63 - 9 * 1);
place_brick(4, 0, 0, 0xFFD500, 63 - 9 * 1);
place_brick(5, 0, 0, 0xFFD500, 63 - 9 * 1);
place_brick(6, 0, 0, 0xFFD500, 63 - 8 - 2);
path.push_back(last_loc);
place_brick(6, 1, 0, 0xFFD500, 63 - 9 * 2);
place_brick(6, 2, 0, 0xFFD500, 63 - 9 * 2);
place_brick(6, 3, 0, 0xFFD500, 63 - 9 * 2);
place_brick(6, 4, 0, 0xFFD500, 63 - 9 * 2);
place_brick(6, 5, 0, 0xFFD500, 63 - 9 * 2);
place_brick(6, 6, 0, 0xFFD500, 63 - 16 - 32);
path.push_back(last_loc);
place_brick(6, 6, -1, 0xFF0000, euclid ? 3 : 63 - 9 * 4);
if(in_pair) {
place_brick(6, 6, 0, 0xFFD500, 0);
place_brick(5, 6, 0, 0xFFD500, 63 - 9*1);
place_brick(4, 6, 0, 0xFFD500, 63 - 9*1);
place_brick(3, 6, 0, 0xFFD500, 63 - 9*1);
place_brick(2, 6, 0, 0xFFD500, 63 - 9*1);
place_brick(1, 6, 0, 0xFFD500, 63 - 9*1);
place_brick(0, 6, 0, 0xFFD500, 63 - 9*1);
place_brick(0, 5, 0, 0xFFD500, 63 - 9*2);
place_brick(0, 4, 0, 0xFFD500, 63 - 9*2);
place_brick(0, 3, 0, 0xFFD500, 63 - 9*2);
place_brick(0, 2, 0, 0xFFD500, 63 - 9*2);
if(nil)
place_brick(0, 1, 0, 0x00FF00, 63);
else
place_brick(0, 1, 0, 0xFF0000, 63);
}
ld midz = 0;
for(auto b: bricks) midz += b.location[2];
midz /= isize(bricks);
for(auto& b: bricks) b.location[2] -= midz;
cgi.extra_vertices();
}
void build_net() {
to_iso = cspin(1, 2, atan(1/sqrt(2))) * cspin(0, 2, M_PI/4);
from_iso = inverse(to_iso);
last_co = euc::coord(0, 0, 0);
last_loc = C0;
place_brick(0, 0, 0, 0xFFD500, 0);
vector<brick> endbricks = { bricks[0] };
for(int i=0; i<20; i++) {
bool bad = false;
for(int j=0; j<i; j++) if(sqhypot_d(3, endbricks[j].location - endbricks[i].location) < 1e-3) bad = true;
if(bad) continue;
for(int c=0; c<6; c++) {
last_co = endbricks[i].co;
last_loc = endbricks[i].location;
euc::coord step(0, 0, 0);
step[c%3] = (c<3?1:-1);
for(int w=0; w<5; w++) {
place_brick(last_co + step, 0xFFD500, 63 - 9 * (1<<(c%3)));
}
place_brick(last_co + step, 0xFFD500, 0);
endbricks.push_back(bricks.back());
}
}
cgi.extra_vertices();
}
void build_stair() {
ld xx = .1;
ld dx = 2 * xx;
ld zz = dx * dx;
ld hei = 2 * zz;
hyperpoint at = point31(-2*dx,+2*dx,0);
hyperpoint shift = xtangent(dx) + ztangent(zz);
for(int dz=0; dz<4; dz++) {
path.push_back(at);
for(int step=0; step<4; step++) {
bricks.emplace_back();
brick& bri = bricks.back();
bri.walls = -1;
bri.col = 0xFFD500;
bri.location = at;
for(int di=0; di<6; di++) {
vector<hyperpoint> hs(4);
int dix = di;
if(dix >= 3) dix--;
if(dix == 3) dix = 2;
else if(dix == 2) dix = 3;
int diy = dix;
dix -= dz;
dix &= 3;
if(di == 5) {
hs[0] = point31(-xx, -xx, hei);
hs[1] = point31(-xx, +xx, hei);
hs[2] = point31(+xx, +xx, hei);
hs[3] = point31(+xx, -xx, hei);
}
else if(di == 2) {
hs[0] = point31(-xx, -xx, -hei);
hs[1] = point31(-xx, +xx, -hei);
hs[2] = point31(+xx, +xx, -hei);
hs[3] = point31(+xx, -xx, -hei);
}
else if(dix == 3 || (dix == 2 && step == 0) || (dix == 1 && step > 0)) {
transmatrix T = spin(90*degree*diy);
hs[0] = T * point31(+xx, -xx, -hei);
hs[1] = T * point31(+xx, +xx, -hei);
hs[2] = T * point31(+xx, +xx, +hei);
hs[3] = T * point31(+xx, -xx, +hei);
}
else if(dix == 0) {
transmatrix T = spin(90*degree*diy);
hs[0] = T * point31(+xx, -xx, -hei);
hs[1] = T * point31(+xx, +xx, -hei);
hs[2] = to_rot(eupush(C0 + shift) * to_heis(T * point31(-xx, +xx, -hei)));
hs[3] = to_rot(eupush(C0 + shift) * to_heis(T * point31(-xx, -xx, -hei)));
}
else {
transmatrix T = spin(90*degree*diy);
hyperpoint lshift = step ? shift : spin(-90*degree) * shift;
hs[0] = to_rot(eupush(C0 - lshift) * to_heis(T * point31(-xx, +xx, hei)));
hs[1] = to_rot(eupush(C0 - lshift) * to_heis(T * point31(-xx, -xx, hei)));
hs[2] = T * point31(+xx, -xx, hei);
hs[3] = T * point31(+xx, +xx, hei);
}
for(auto& h: hs) h = to_heis(h);
make_wall(bri.shRotWall[di], hs);
}
at = eupush(at) * (C0 + shift);
}
shift = spin(90*degree) * shift;
}
println(hlog, "path = ", path);
cgi.extra_vertices();
}
int animation;
hyperpoint interp(ld t) {
int no = isize(path);
int ti = t;
t -= ti;
ti %= no;
hyperpoint prev = path[ti];
hyperpoint next = path[(ti+1)%no];
hyperpoint n = inverse(eupush(prev)) * next;
n = to_rot(n);
n = lerp(C0, n, t);
return eupush(prev) * to_heis(n);
}
void enable() {
rogueviz::rv_hook(hooks_frame, 100, draw_ro);
rogueviz::rv_hook(hooks_clearmemory, 40, [] () {
bricks.clear();
path.clear();
});
rogueviz::rv_hook(anims::hooks_anim, 100, [] {
if(!animation) return;
ld t = ticks * 1. / anims::period;
t *= isize(path);
hyperpoint at = interp(t);
if(animation == 1) {
transmatrix T = View;
transmatrix T2 = eupush( tC0(inverse(T)) );
T = T * T2;
View = T * inverse(eupush(at));
}
else if(animation == 2) {
set_view(at, C0, at - ztangent(1));
}
else if(animation == 3) {
set_view(at, interp(t + .25), at - ztangent(1));
}
centerover = currentmap->gamestart();
anims::moved();
});
}
int args() {
using namespace arg;
if(0) ;
else if(argis("-bstair")) {
PHASEFROM(3);
cgi.require_shapes();
build_stair();
enable();
pconf.clip_min = -100;
pconf.clip_max = 10;
pconf.scale = .5;
View = Id;
}
else if(argis("-brot")) {
PHASEFROM(3);
cgi.require_shapes();
build(false);
enable();
pconf.clip_min = -100;
pconf.clip_max = 10;
pconf.scale = .5;
View = Id;
}
else if(argis("-brot2")) {
PHASEFROM(3);
cgi.require_shapes();
build(true);
enable();
pconf.clip_min = -100;
pconf.clip_max = 10;
pconf.scale = .5;
View = Id;
}
else if(argis("-bnet")) {
PHASEFROM(3);
cgi.require_shapes();
build_net();
enable();
pconf.clip_min = -100;
pconf.clip_max = 10;
pconf.scale = .1;
View = Id;
}
else if(argis("-b-anim")) {
shift(); animation = argi();
}
else return 1;
return 0;
}
auto hooks = addHook(hooks_args, 100, args);
}
}
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