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3d-models.cpp
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3d-models.cpp
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// HyperRogue
// Copyright (C) 2011-2019 Zeno Rogue, see 'hyper.cpp' for details
/** \file 3d-models.cpp
* \brief This file contains the routines to convert HyperRogue's old vector graphics into 3D models
*/
#include "hyper.h"
#include "earcut.hpp"
namespace hr {
ld eyepos;
#if MAXMDIM >= 4
#define S (cgi.scalefactor / 0.805578)
#define SH (embedded_plane ? cgi.human_height : (cgi.scalefactor / 0.805578 * (vid.height_width / 1.5)))
#define revZ ((WDIM == 2 || gproduct) ? -1 : 1)
hyperpoint shcenter;
EX hyperpoint front_leg, rear_leg;
EX transmatrix front_leg_move, rear_leg_move, front_leg_move_inverse, rear_leg_move_inverse;
EX ld leg_length;
vector<hyperpoint> geometry_information::get_shape(hpcshape sh) {
vector<hyperpoint> res;
for(int i=sh.s; i<sh.e-1; i++) res.push_back(hpc[i]);
return res;
}
hyperpoint get_center(const vector<hyperpoint>& vh) {
hyperpoint h = Hypc;
for(auto h1: vh) h = h + h1;
h /= isize(vh);
return cgi.emb->normalize_flat(h);
}
EX ld zc(ld z) {
if(WDIM == 2 && GDIM == 3)
return geom3::lev_to_factor(cgi.human_height * z);
return cgi.human_height * (z - 0.5) * revZ;
}
void geometry_information::add_cone(ld z0, const vector<hyperpoint>& vh, ld z1) {
last->flags |= POLY_TRIANGLES;
for(int i=0; i<isize(vh); i++) {
hpcpush(lzpush(z0) * vh[i]);
hpcpush(lzpush(z0) * vh[(i+1) % isize(vh)]);
hpcpush(lzpush(z1) * shcenter);
}
}
void geometry_information::add_prism_sync(ld z0, vector<hyperpoint> vh0, ld z1, vector<hyperpoint> vh1) {
last->flags |= POLY_TRIANGLES;
for(int i=0; i<isize(vh0); i++) {
int i1 = (i+1) % isize(vh0);
hpcpush(lzpush(z0) * vh0[i]);
hpcpush(lzpush(z1) * vh1[i]);
hpcpush(lzpush(z0) * vh0[i1]);
hpcpush(lzpush(z1) * vh1[i]);
hpcpush(lzpush(z0) * vh0[i1]);
hpcpush(lzpush(z1) * vh1[i1]);
}
}
void geometry_information::add_prism(ld z0, vector<hyperpoint> vh0, ld z1, vector<hyperpoint> vh1) {
last->flags |= POLY_TRIANGLES;
struct mixed {
ld angle;
int owner;
hyperpoint h;
mixed(ld a, int o, hyperpoint _h) : angle(a), owner(o), h(_h) {}
};
transmatrix T0 = gpushxto0(get_center(vh0));
transmatrix T1 = gpushxto0(get_center(vh1));
vector<mixed> pairs;
for(auto h: vh0) pairs.emplace_back(atan2(T0*h), 0, h);
for(auto h: vh1) pairs.emplace_back(atan2(T1*h), 1, h);
sort(pairs.begin(), pairs.end(), [&] (const mixed p, const mixed q) { return p.angle < q.angle; });
hyperpoint lasts[2];
for(auto pp: pairs) lasts[pp.owner] = pp.h;
for(auto pp: pairs) {
int id = pp.owner;
hpcpush(lzpush(z0) * lasts[0]);
hpcpush(lzpush(z1) * lasts[1]);
hpcpush(lzpush(id == 0 ? z0 : z1) * pp.h);
lasts[id] = pp.h;
}
}
void geometry_information::shift_last(ld z) {
for(int i=last->s; i<isize(hpc); i++) hpc[i] = lzpush(z) * hpc[i];
}
void geometry_information::shift_shape(hpcshape& sh, ld z) {
for(int i=sh.s; i<sh.e; i++) hpc[i] = lzpush(z) * hpc[i];
}
void geometry_information::shift_shape_orthogonally(hpcshape& sh, ld z) {
for(int i=sh.s; i<sh.e; i++) hpc[i] = orthogonal_move(hpc[i], z);
}
extern renderbuffer *floor_textures;
void geometry_information::add_texture(hpcshape& sh) {
#if CAP_GL
if(!floor_textures) return;
auto& utt = models_texture;
sh.tinf = &utt;
sh.texture_offset = isize(utt.tvertices);
auto f = [] (hyperpoint h) {
if(!embedded_plane && gproduct) return product::inverse_exp(h);
return cgi.emb->actual_to_logical(h);
};
hyperpoint ct = Hypc;
int n = 0;
for(int i=sh.s; i<isize(hpc); i++) ct += f(hpc[i]), n++;
ct /= n;
for(int i=sh.s; i<isize(hpc); i++) {
hyperpoint h = f(hpc[i]) - ct;
ld rad = hypot_d(3, h);
ld factor = 0.50 + (0.17 * h[2] + 0.13 * h[1] + 0.15 * h[0]) / rad;
utt.tvertices.push_back(glhr::makevertex(0, factor, 0));
}
#endif
}
vector<hyperpoint> scaleshape(const vector<hyperpoint>& vh, ld s) {
vector<hyperpoint> res;
for(hyperpoint h: vh) res.push_back(cgi.emb->normalize_flat(h * s + shcenter * (1-s)));
return res;
}
ld get_zlevel(hyperpoint h) {
if(gproduct) return zlevel(h);
if(sl2) return atan2(h[2], h[3]);
return asin_auto(h[2]);
}
void geometry_information::make_ha_3d(hpcshape& sh, bool isarmor, ld scale) {
shcenter = tile_center();
auto groin = get_shape(shHumanGroin);
auto body = get_shape(shPBodyOnly);
auto neck = get_shape(shHumanNeck);
auto hand = get_shape(shPBodyHand);
auto arm = get_shape(shPBodyArm);
groin = scaleshape(groin, scale);
neck = scaleshape(neck, scale);
auto fullbody = get_shape(sh);
auto body7 = body[7];
auto body26 = body[26];
body.clear();
auto& T = cgi.emb->intermediate_to_logical;
bool foundplus = false, foundminus = false;
for(hyperpoint h: fullbody) {
if((T*h)[1] > 0.14 * S) {
if(foundplus) ;
else foundplus = true, body.push_back(body7);
}
else if((T*h)[1] < -0.14 * S) {
if(foundminus) ;
else foundminus = true, body.push_back(body26);
}
else body.push_back(h);
}
auto arm8 = arm[8];
bool armused = false;
arm.clear();
for(hyperpoint h: fullbody) {
if((T*h)[1] < 0.08 * S) ;
else if((T*h)[0] > -0.03 * S) {
if(armused) ;
else armused = true, arm.push_back(arm8);
}
else arm.push_back(h);
}
auto hand0 = hand[0];
hand.clear();
hand.push_back(hand0);
for(hyperpoint h: fullbody) {
auto h1 = T*h;
if(h1[1] + h1[0] > 0.13 * S) hand.push_back(h);
}
bshape(sh, PPR::MONSTER_BODY);
add_cone(zc(0.4), groin, zc(0.36));
add_prism_sync(zc(0.4), groin, zc(0.6), groin);
add_prism(zc(0.6), groin, zc(0.7), body);
add_prism(zc(0.7), body, zc(0.8), neck);
add_cone(zc(0.8), neck, zc(0.83));
int at0 = isize(hpc);
ld h = human_height;
if(isize(arm) > 3) {
shcenter = get_center(arm);
int arm0 = isize(hpc);
add_prism_sync(BODY - h*.03, arm, BODY + h*.03, arm);
add_cone(BODY + h*.03, arm, BODY + h*.05);
add_cone(BODY - h*.03, arm, BODY - h*.05);
int arm1 = isize(hpc);
for(int i=arm0; i<arm1; i++) {
hyperpoint h = hpc[i];
ld zl = get_zlevel(h);
h = lzpush(-zl) * h;
ld rad = hdist0(h);
rad = (rad - 0.1124*S) / (0.2804*S - 0.1124*S);
rad = 1 - rad;
rad *= zc(0.7) - BODY;
hpc[i] = lzpush(rad) * hpc[i];
}
}
// 0.2804 - keep
// 0.1124 - move
if(isize(hand) > 3) {
shcenter = get_center(hand);
add_cone(BODY, hand, BODY + 0.05 * human_height);
add_cone(BODY, hand, BODY - 0.05 * human_height);
}
int at1 = isize(hpc);
for(int i=at0; i<at1; i++) hpc.push_back(Mirror * hpc[i]);
add_texture(sh);
shift_last(-BODY);
}
void geometry_information::make_humanoid_3d(hpcshape& sh) { make_ha_3d(sh, false, 1); }
void geometry_information::addtri(array<hyperpoint, 3> hs, int kind) {
ld ds[3];
ds[0] = hdist(hs[0], hs[1]);
ds[1] = hdist(hs[1], hs[2]);
ds[2] = hdist(hs[2], hs[0]);
ld maxds = 0;
for(int i=0; i<3; i++) maxds = max(ds[i], maxds) - 1e-3;
if(maxds > 0.02*S) for(int i=0; i<3; i++) {
int j = (i+1) % 3;
int k = (j+1) % 3;
if(hdist(hs[i], hs[j]) > maxds) {
auto hm = mid(hs[i], hs[j]);
addtri(make_array(hm, hs[i], hs[k]), kind);
addtri(make_array(hm, hs[j], hs[k]), kind);
return;
}
}
if(kind) {
array<hyperpoint, 3> ht;
ld hsh[3];
ld shi[3];
bool ok = true;
ld zzes[3];
for(int s=0; s<3; s++) {
hs[s] = cgi.emb->normalize_flat(hs[s]);
hyperpoint h = hs[s];
ld zz = zc(0.78);
hsh[s] = abs(h[1]);
zz -= h[1] * h[1] / 0.14 / 0.14 * 0.01 / S / S * SH;
zz -= h[0] * h[0] / 0.10 / 0.10 * 0.01 / S / S * SH;
if(abs(h[1]) > 0.14*S) ok = false, zz -= revZ * (abs(h[1])/S - 0.14) * SH;
if(abs(h[0]) > 0.08*S) ok = false, zz -= revZ * (abs(h[0])/S - 0.08) * (abs(h[0])/S - 0.08) * 25 * SH;
h = cgi.emb->normalize_flat(h);
if(!gproduct || kind != 1) ht[s] = lzpush(zz) * h;
else ht[s] = h;
if(hsh[s] < 0.1*S) shi[s] = 0.5;
else if(hsh[s] < 0.12*S) shi[s] = 0.1 + 0.4 * (hsh[s]/S - 0.1) / (0.12 - 0.1);
else shi[s] = 0.1;
zzes[s] = zz;
}
if(ok && kind == 1) {
array<array<hyperpoint, 3>, 6> htx;
for(int i=0; i<6; i++) htx[i] = ht;
for(int i=0; i<3; i++) {
htx[0][i][0] *= 0.7; htx[0][i][1] *= 0.7;
htx[1][i][0] *= 1.2; htx[1][i][1] *= 1.7;
htx[2][i][1] *= 1.7;
htx[4][i][0] = htx[4][i][0] * 0.4 + scalefactor * 0.1;
htx[5][i][0] = htx[5][i][0] * 0.3 + scalefactor * 0.1;
if(!gproduct)
for(int a=0; a<6; a++) htx[a][i] = hpxy3(htx[a][i][0], htx[a][i][1], htx[a][i][2]);
else
for(int a=0; a<6; a++) htx[a][i] = lzpush(zzes[i]) * hpxy(htx[a][i][0], htx[a][i][1]);
}
ld levels[6] = {0, 0.125, 0.125, 0.250, 0.375, 0.5};
for(int a=0; a<6; a++) for(int i=0; i<3; i++)
htx[a][i] = lzpush(-min(shi[i], levels[a]) * human_height * revZ) * htx[a][i];
hpcpush(htx[0][0]);
hpcpush(htx[0][1]);
hpcpush(htx[0][2]);
for(int a=0; a<5; a++) for(int i=0; i<3; i++) {
int j = (i+1) % 3;
int b = a+1;
hpcpush(htx[a][i]);
hpcpush(htx[a][j]);
hpcpush(htx[b][i]);
hpcpush(htx[a][j]);
hpcpush(htx[b][i]);
hpcpush(htx[b][j]);
}
}
else
hpcpush(ht[0]), hpcpush(ht[1]), hpcpush(ht[2]);
}
else {
for(int s=0; s<3; s++) {
hyperpoint h = hs[s];
ld zz = zc(eyepos);
if(h[0] < -0.05*S) zz += revZ * (h[0]/S + 0.05) * SH;
if(hdist0(h) <= 0.0501*S) {
zz += revZ * sqrt(0.0026 - pow(hdist0(h)/S, 2)) * SH;
}
hpcpush(lzpush(zz) * h);
}
}
}
void disable(hpcshape& sh) {
sh.s = sh.e = 0;
}
void geometry_information::make_armor_3d(hpcshape& sh, int kind) {
if(BADMODEL) {
disable(sh);
return;
}
auto body = get_shape(sh);
vector<vector<array<ld, 2> >> pts(2);
for(hyperpoint h: body) {
array<ld, 2> p;
p[0] = h[0] / h[LDIM];
p[1] = h[1] / h[LDIM];
pts[0].emplace_back(p);
}
bshape(sh, sh.prio);
vector<int> indices = mapbox::earcut<int> (pts);
last->flags |= POLY_TRIANGLES;
last->flags |= POLY_TRIANGLES;
for(int k=0; k<isize(indices); k+=3) {
addtri(make_array(body[indices[k]], body[indices[k+1]], body[indices[k+2]]), kind);
}
add_texture(sh);
if(&sh == &shHood || &sh == &shWightCloak || &sh == &shArmor)
shift_last(-HEAD);
else
shift_last(-BODY);
}
void geometry_information::make_foot_3d(hpcshape& sh) {
auto foot = get_shape(sh);
auto leg = get_shape(shHumanLeg);
auto leg5 = scaleshape(leg, 0.8);
bshape(sh, PPR::MONSTER_BODY);
shcenter = get_center(leg);
add_cone(zc(0), foot, zc(0));
add_prism(zc(0), foot, zc(0.1), leg);
add_prism_sync(zc(0.1), leg, zc(0.4), leg5);
add_cone(zc(0.4), leg5, zc(0.45));
add_texture(sh);
// shift_last(-LEG0);
for(int i=last->s; i<isize(hpc); i++) hpc[i] = lxpush(-0.0125*S) * hpc[i];
}
void geometry_information::make_head_only() {
auto addpt = [this] (int d, int u) {
hpcpush(lzpush(zc(eyepos) + 0.06 * SH * sin(u * degree)) * xspinpush0(d * degree, 0.05 * S * cos(u * degree)));
};
bshape(shPHeadOnly, shPHeadOnly.prio);
last->flags |= POLY_TRIANGLES;
for(int d=0; d<360; d+=(BADMODEL ? 60 : 30))
for(int u=-90; u<=90; u+=(BADMODEL ? 90 : 30)) {
addpt(d, u);
addpt(d+30, u);
addpt(d, u+30);
addpt(d+30, u+30);
addpt(d+30, u);
addpt(d, u+30);
}
add_texture(shPHeadOnly);
shift_last(-HEAD - revZ * 0.01 * SH);
}
void geometry_information::make_head_3d(hpcshape& sh) {
auto head = get_shape(sh);
vector<vector<array<ld, 2> >> pts(2);
for(hyperpoint h: head) {
array<ld, 2> p;
p[0] = h[0] / h[LDIM];
p[1] = h[1] / h[LDIM];
pts[0].emplace_back(p);
}
array<ld, 2> zero = make_array<ld>(0,0);
pts[1].emplace_back(zero);
head.push_back(tile_center());
bshape(sh, sh.prio);
vector<int> indices = mapbox::earcut<int> (pts);
last->flags |= POLY_TRIANGLES;
for(int k=0; k<isize(indices); k+=3) {
addtri(make_array(head[indices[k]], head[indices[k+1]], head[indices[k+2]]), 0);
}
add_texture(sh);
shift_last(-HEAD);
}
void geometry_information::make_paw_3d(hpcshape& sh, hpcshape& legsh) {
auto foot = get_shape(sh);
auto leg = get_shape(legsh);
bshape(sh, PPR::MONSTER_BODY);
shcenter = get_center(leg);
add_cone(zc(0), foot, zc(0));
add_prism(zc(0), foot, zc(0.1), leg);
add_prism_sync(zc(0.1), leg, zc(0.4), leg);
add_cone(zc(0.4), leg, zc(0.45));
add_texture(sh);
}
void geometry_information::make_abody_3d(hpcshape& sh, ld tail) {
auto body = get_shape(sh);
shcenter = get_center(body);
vector<hyperpoint> notail;
ld minx = 9;
for(hyperpoint h: body) minx = min(minx, h[0]);
for(hyperpoint h: body) if(h[0] >= minx + tail) notail.push_back(h);
auto body8 = scaleshape(notail, 0.8);
bshape(sh, PPR::MONSTER_BODY);
add_prism(zc(0.4), body8, zc(0.45), body);
add_prism(zc(0.45), body, zc(0.5), notail);
add_prism_sync(zc(0.6), body8, zc(0.5), notail);
add_cone(zc(0.4), body8, zc(0.36));
add_cone(zc(0.6), body8, zc(0.64));
add_texture(sh);
if(GDIM == 3 && WDIM == 2) shift_last(-ABODY);
}
void geometry_information::make_ahead_3d(hpcshape& sh) {
auto body = get_shape(sh);
shcenter = get_center(body);
auto body8 = scaleshape(body, 0.5);
bshape(sh, PPR::MONSTER_BODY);
add_prism_sync(zc(0.4), body8, zc(0.5), body);
add_prism_sync(zc(0.6), body8, zc(0.5), body);
add_cone(zc(0.4), body8, zc(0.36));
add_cone(zc(0.6), body8, zc(0.64));
add_texture(sh);
}
void geometry_information::make_skeletal(hpcshape& sh, ld push) {
auto body = get_shape(sh);
shcenter = get_center(body);
bshape(sh, PPR::MONSTER_BODY);
add_prism_sync(zc(0.48), body, zc(0.5), body);
add_prism_sync(zc(0.52), body, zc(0.5), body);
add_cone(zc(0.48), body, zc(0.47));
add_cone(zc(0.52), body, zc(0.53));
add_texture(sh);
shift_last(-push);
}
hyperpoint yzspin(ld alpha, hyperpoint h) {
if(embedded_plane) {
h = cgi.emb->actual_to_logical(h);
h = cspin(1, 2, alpha) * h;
h[2] *= cgi.human_height;
h = cgi.emb->logical_to_actual(h);
return h;
}
if(gproduct) return product::direct_exp(cspin(1, 2, alpha) * product::inverse_exp(h));
return cspin(1, 2, alpha) * h;
}
void geometry_information::make_revolution(hpcshape& sh, int mx, ld push) {
auto body = get_shape(sh);
bshape(sh, PPR::MONSTER_BODY);
int step = (BADMODEL ? 60 : (mx == 360 ? 24 : 10));
for(int i=0; i<isize(body); i++) {
hyperpoint h0 = body[i];
hyperpoint h1 = body[(i+1) % isize(body)];
for(int s=0; s<mx; s+=step) {
hpcpush(yzspin(s * degree, h0));
hpcpush(yzspin(s * degree, h1));
hpcpush(yzspin((s+step) * degree, h0));
hpcpush(yzspin(s * degree, h1));
hpcpush(yzspin((s+step) * degree, h0));
hpcpush(yzspin((s+step) * degree, h1));
}
}
last->flags |= POLY_TRIANGLES;
add_texture(sh);
shift_last(-push);
}
void geometry_information::make_revolution_cut(hpcshape &sh, int each, ld push, ld width) {
auto body = get_shape(sh);
body.resize(isize(body) / 2);
ld fx = cgi.emb->actual_to_logical(body[0])[0];
ld lx = cgi.emb->actual_to_logical(body.back())[0];
body.insert(body.begin(), hpxy(fx + (fx-lx) * 1e-3, 0));
body.push_back(hpxy(lx + (lx-fx) * 1e-3, 0));
int n = isize(body);
auto gbody = body;
int it = 0;
vector<int> nextid(n);
vector<int> lastid(n);
vector<bool> stillin(n, true);
for(int i=0; i<n; i++) nextid[i] = i+1;
for(int i=0; i<n; i++) lastid[i] = i-1;
nextid[n-1] = n-1; lastid[0] = 0;
while(true) {
it++;
int cand = -1;
ld cv = 0;
for(int i=1; i<n-1; i++) if(stillin[i]) {
auto gi = cgi.emb->actual_to_logical(gbody[i]);
auto gl = cgi.emb->actual_to_logical(gbody[lastid[i]]);
auto gn = cgi.emb->actual_to_logical(gbody[nextid[i]]);
if((gi[0] < gl[0] && gi[0] < gn[0]) || (gi[0] > gl[0] && gi[0] > gn[0]) || abs(gi[1]) > width)
if(abs(gi[1]) > cv)
cand = i, cv = abs(gi[1]);
}
if(cand == -1) break;
int i = cand;
lastid[nextid[i]] = lastid[i];
nextid[lastid[i]] = nextid[i];
stillin[i] = false;
}
for(int i=n-1; i>=0; i--) if(!stillin[i] && !stillin[nextid[i]]) nextid[i] = nextid[nextid[i]];
for(int i=0; i<n; i++) if(!stillin[i] && !stillin[lastid[i]]) lastid[i] = lastid[lastid[i]];
for(int i=0; i<n; i++) {
if(!stillin[i]) {
auto gl = cgi.emb->actual_to_logical(gbody[lastid[i]]);
auto gn = cgi.emb->actual_to_logical(gbody[nextid[i]]);
gbody[i] = cgi.emb->logical_to_actual((gl * (i - lastid[i]) + gn * (nextid[i] - i)) / (nextid[i] - lastid[i]));
}
}
bshape(sh, PPR::MONSTER_BODY);
int step = (BADMODEL ? 60 : 10);
for(int i=0; i<n; i++) {
for(int s=0; s<360; s+=step) {
auto& tbody = BADMODEL ? gbody : (s % each ? gbody : body);
auto& nbody = BADMODEL ? gbody : ((s+step) % each ? gbody : body);
int i1 = (i+1) % isize(body);
hyperpoint h0 = tbody[i];
hyperpoint h1 = tbody[i1];
hyperpoint hs0 = nbody[i];
hyperpoint hs1 = nbody[i1];
hpcpush(yzspin(s * degree, h0));
hpcpush(yzspin(s * degree, h1));
hpcpush(yzspin((s+step) * degree, hs0));
hpcpush(yzspin(s * degree, h1));
hpcpush(yzspin((s+step) * degree, hs0));
hpcpush(yzspin((s+step) * degree, hs1));
}
}
last->flags |= POLY_TRIANGLES;
add_texture(sh);
shift_last(-push);
if(&sh == &shDogTorso) {
finishshape();
shDogStripes = shDogTorso;
add_texture(shDogStripes);
auto& utt = models_texture;
if(utt.tvertices.empty()) return;
int a = (6 * 360 / step);
for(int i=0; i<shDogStripes.e - shDogStripes.s; i++)
if(i % (2 * a) < a)
utt.tvertices[i + shDogStripes.texture_offset][1] /= 4;
}
}
void geometry_information::clone_shape(hpcshape& sh, hpcshape& target) {
finishshape();
target = sh;
target.s = isize(hpc);
for(int i=sh.s; i<sh.e; i++) hpc.push_back(hpc[i]);
target.e = isize(hpc);
}
void geometry_information::animate_bird(hpcshape& orig, hpcshape_animated& animated, ld body) {
for(int i=0; i<=WINGS; i++) {
auto& tgt = animated[i];
clone_shape(orig, tgt);
ld alpha = cos(M_PI * i / WINGS) * 30 * degree;
for(int i=tgt.s; i<tgt.e; i++) {
hyperpoint h = hpc[i];
h = cgi.emb->actual_to_logical(hpc[i]);
if(abs(h[1]) > body) {
ld off = h[1] > 0 ? body : -body;
h[2] += abs(h[1] - off) * sin(alpha);
if(embedded_plane) h[2] *= cgi.human_height;
h[1] = off + (h[1] - off) * cos(alpha);
h = cgi.emb->logical_to_actual(h);
h = normalize(h);
hpc[i] = h;
}
}
}
// for(int i=0; i<30; i++) shift_shape(animated[i], BIRD);
// shift_shape(orig, BIRD);
}
void geometry_information::slimetriangle(hyperpoint a, hyperpoint b, hyperpoint c, ld rad, int lev) {
dynamicval<int> d(vid.texture_step, 8);
ld sca = 1;
if(mhybrid) sca = .5;
if(cgi.emb->is_euc_in_noniso()) sca *= .3 * geom3::euclid_embed_scale;
texture_order([&] (ld x, ld y) {
ld z = 1-x-y;
ld r = scalefactor * hcrossf7 * (0 + pow(max(x,max(y,z)), .3) * 0.8) * sca;
hyperpoint h = direct_exp(tangent_length(a*x+b*y+c*z, r));
hpcpush(h);
});
}
void geometry_information::balltriangle(hyperpoint a, hyperpoint b, hyperpoint c, ld rad, int lev) {
if(lev == 0) {
hpcpush(direct_exp(a));
hpcpush(direct_exp(b));
hpcpush(direct_exp(c));
}
else {
auto midpoint = [&] (hyperpoint h1, hyperpoint h2) {
return tangent_length(h1+h2, rad);
};
hyperpoint cx = midpoint(a, b);
hyperpoint ax = midpoint(b, c);
hyperpoint bx = midpoint(c, a);
balltriangle(ax, bx, cx, rad, lev-1);
balltriangle(ax, bx, c , rad, lev-1);
balltriangle(ax, b , cx, rad, lev-1);
balltriangle(a , bx, cx, rad, lev-1);
}
}
void geometry_information::make_ball(hpcshape& sh, ld rad, int lev) {
bshape(sh, sh.prio);
sh.flags |= POLY_TRIANGLES;
hyperpoint tip = xtangent(rad);
hyperpoint atip = xtangent(-rad);
ld z = 63.43 * degree;
for(int i=0; i<5; i++) {
hyperpoint a = cspin(1, 2, (72 * i ) * degree) * spin(z) * tip;
hyperpoint b = cspin(1, 2, (72 * i-72) * degree) * spin(z) * tip;
hyperpoint c = cspin(1, 2, (72 * i+36) * degree) * spin(M_PI-z) * tip;
hyperpoint d = cspin(1, 2, (72 * i-36) * degree) * spin(M_PI-z) * tip;
balltriangle(tip, a, b, rad, lev);
balltriangle(a, b, c, rad, lev);
balltriangle(b, c, d, rad, lev);
balltriangle(c, d, atip, rad, lev);
}
add_texture(sh);
}
void geometry_information::hpcsquare(hyperpoint h1, hyperpoint h2, hyperpoint h3, hyperpoint h4) {
last->flags |= POLY_TRIANGLES;
hpcpush(h1);
hpcpush(h2);
hpcpush(h3);
hpcpush(h2);
hpcpush(h3);
hpcpush(h4);
}
void geometry_information::make_star(hpcshape& sh, ld rad) {
bshape(sh, sh.prio);
rad = sinh(rad);
sh.flags |= POLY_TRIANGLES | POLY_INTENSE;
int steps = (BADMODEL ? 8 : 64);
for(int a=0; a<steps; a++) {
ld z0 = (a-steps/2)*2.0/steps;
ld z1 = (a-steps/2+1)*2.0/steps;
ld r0 = sqrt(1 - z0*z0) * rad;
ld r1 = sqrt(1 - z1*z1) * rad;
z0 *= rad;
z1 *= rad;
int step = BADMODEL ? 60 : 15;
for(int b=0; b<360; b+=step) {
ld b0 = b * degree;
ld b1 = (b+step) * degree;
hpcsquare(
hpxy3(r0 * cos(b0), r0 * sin(b0), z0), hpxy3(r0 * cos(b1), r0 * sin(b1), z0),
hpxy3(r1 * cos(b0), r1 * sin(b0), z1), hpxy3(r1 * cos(b1), r1 * sin(b1), z1)
);
}
}
}
void geometry_information::make_euclidean_sky() {
bshape(cgi.shEuclideanSky, PPR::EUCLIDEAN_SKY);
for(int x=-20; x<20; x++)
for(int y=-20; y<20; y++) {
auto x0 = x * cgi.LOWSKY;
auto x1 = (x+1) * cgi.LOWSKY;
auto y0 = y * cgi.LOWSKY;
auto y1 = (y+1) * cgi.LOWSKY;
hpcsquare(
lzpush(cgi.LOWSKY) * hpxy(x0, y0),
lzpush(cgi.LOWSKY) * hpxy(x0, y1),
lzpush(cgi.LOWSKY) * hpxy(x1, y0),
lzpush(cgi.LOWSKY) * hpxy(x1, y1)
);
}
}
/** res[0] and res[1] place H on the plane, while res[2] is the altitude */
hyperpoint psmin(hyperpoint H) {
if(gproduct) {
auto d = product_decompose(H);
d.second[2] = d.first;
return d.second;
}
hyperpoint res;
res[2] = asin_auto(H[2]);
ld cs = pow(cos_auto(res[2]), 2);
ld r = sqrt(cs+H[0]*H[0]+H[1]*H[1]);
res[0] = H[0] / r;
res[1] = H[1] / r;
return res;
}
void geometry_information::adjust_eye(hpcshape& eye, hpcshape head, ld shift_eye, ld shift_head, int q, ld zoom) {
hyperpoint center = Hypc;
int c = 0;
for(int i=eye.s; i<eye.e; i++) if(q == 1 || hpc[i][1] > 0) center += hpc[i], c++;
center /= c;
center = cgi.emb->normalize_flat(center);
// center /= (eye.e - eye.s);
ld rad = 0;
for(int i=eye.s; i<eye.e; i++) if(q == 1 || hpc[i][1] > 0) rad += hdist(center, hpc[i]);
rad /= (eye.e - eye.s);
hyperpoint pscenter = psmin(center);
ld pos = 0;
int qty = 0, qtyall = 0;
vector<hyperpoint> pss;
for(int i=head.s; i<head.e; i++) pss.push_back(psmin(lzpush(shift_head - cgi.emb->center_z()) * hpc[i]));
ld zmid = 0;
for(hyperpoint& h: pss) zmid += h[2];
zmid /= isize(pss);
ld mindist = 1e9;
for(int i=0; i<isize(pss); i+=3) if(pss[i][2] < zmid || (WDIM == 3 && !gproduct)) {
ld d = sqhypot_d(2, pss[i]-pscenter) + sqhypot_d(2, pss[i+1]-pscenter) + sqhypot_d(2, pss[i+2]-pscenter);
if(d < mindist) mindist = d, pos = min(min(pss[i][2], pss[i+1][2]), pss[i+2][2]), qty++;
qtyall++;
}
if(&eye == &shSkullEyes) cgi.eyelevel_human = pos = zc(eyepos) - 0.06 * SH * 0.05;
if(&eye == &shWolf1) cgi.eyelevel_dog = pos;
if(&eye == &shFamiliarEye) cgi.eyelevel_familiar = pos;
make_ball(eye, rad, 0);
transmatrix T = lzpush(-shift_eye) * rgpushxto0(center) * lzpush(pos);
for(int i=eye.s; i<isize(hpc); i++) hpc[i] = T * hpc[i];
int s = isize(hpc);
if(&eye == &shSkullEyes)
for(int i=eye.s; i<s; i++) hpc[i] = lxpush(0.07 * scalefactor) * hpc[i];
if(q == 2)
for(int i=eye.s; i<s; i++) {
hpcpush(MirrorY * hpc[i]);
auto& utt = models_texture;
if(!utt.tvertices.empty())
utt.tvertices.push_back(utt.tvertices[i - eye.s + eye.texture_offset]);
}
finishshape();
// eye.prio = PPR::SUPERLINE;
}
void geometry_information::shift_last_straight(ld z) {
for(int i=last->s; i<isize(hpc); i++) hpc[i] = lzpush(z) * hpc[i];
}
EX void queueball(const shiftmatrix& V, ld rad, color_t col, eItem what) {
if(what == itOrbSpeed) {
shiftmatrix V1 = V * cspin90(1, 2);
ld tt = ptick(100);
for(int t=0; t<5; t++) {
for(int a=-50; a<50; a++)
curvepoint(cspin(0, 2, a * M_PI/100.) * cspin(0, 1, t * 72._deg + tt + a*TAU/50.) * xpush0(rad));
queuecurve(V1, col, 0, PPR::LINE);
}
return;
}
ld z = 63.43 * degree;
shiftmatrix V1 = V * cspin90(0, 2);
if(what == itOrbShield) V1 = V * cspin(0, 1, ptick(500));
if(what == itOrbFlash) V1 = V * cspin(0, 1, ptick(1500));
if(what == itOrbShield) V1 = V * cspin(1, 2, ptick(1000));
if(what == itOrbFlash) V1 = V * cspin(1, 2, ptick(750));
if(what == itDiamond) V1 = V * cspin(1, 2, ptick(200));
if(what == itRuby) V1 = V * cspin(1, 2, ptick(300));
auto line = [&] (transmatrix A, transmatrix B) {
hyperpoint h0 = A * xpush0(1);
hyperpoint h1 = B * xpush0(1);
for(int i=0; i<=8; i++)
curvepoint(rspintox(normalize(h0*(8-i) + h1*i)) * xpush0(rad));
queuecurve(V1, col, 0, PPR::LINE);
};
for(int i=0; i<5; i++) {
auto a = cspin(1, 2, (72 * i ) * degree) * spin(z);
auto b = cspin(1, 2, (72 * i-72) * degree) * spin(z);
auto c = cspin(1, 2, (72 * i+36) * degree) * spin(M_PI-z);
auto d = cspin(1, 2, (72 * i-36) * degree) * spin(M_PI-z);
line(Id, a);
line(a, b);
line(a, c);
line(a, d);
line(d, c);
line(c, spin180());
}
}
void geometry_information::make_shadow(hpcshape& sh) {
sh.shs = isize(hpc);
for(int i=sh.s; i < sh.e; i++) hpcpush(orthogonal_move(hpc[i], FLOOR - human_height / 100));
sh.she = isize(hpc);
}
void geometry_information::make_3d_models() {
if(GDIM == 2 || noGUI) return;
eyepos = WDIM == 2 ? 0.875 : 0.925;
DEBBI(DF_POLY, ("make_3d_models"));
shcenter = tile_center();
#if CAP_GL
if(floor_textures) {
auto& utt = models_texture;
utt.tvertices.clear();
utt.texture_id = floor_textures->renderedTexture;
}
#endif
if(WDIM == 2 || euclid) {
DEBB(DF_POLY, ("shadows"));
for(hpcshape* sh: {&shBatWings, &shBugBody, &shBullBody, &shButterflyWing, &shCatBody, &shDogBody, &shDogTorso,
&shEagle, &shFemaleBody, &shFlailMissile, &shGadflyWing, &shGargoyleWings, &shHawk, &shJiangShi, &shKnife,
&shPBody, &shPHead, &shRaiderBody, &shReptileBody, &shSkeletonBody, &shTongue, &shTrapArrow, &shTrylobite,
&shWaterElemental, &shWolfBody, &shYeti, &shWormHead, &shWormHead, &shDragonHead, &shDragonSegment, &shDragonTail,
&shTentacleX, &shTentHead, &shILeaf[0], &shILeaf[1], &shWormSegment, &shSmallWormSegment,
&shWormTail, &shSmallWormTail, &shFrogBody })
make_shadow(*sh);
for(int i=0; i<8; i++) make_shadow(shAsteroid[i]);
}
DEBB(DF_POLY, ("humanoids"));
make_humanoid_3d(shPBody);
make_humanoid_3d(shYeti);
make_humanoid_3d(shFemaleBody);
make_humanoid_3d(shRaiderBody);
make_humanoid_3d(shSkeletonBody);
make_humanoid_3d(shFatBody);
make_humanoid_3d(shWaterElemental);
make_humanoid_3d(shJiangShi);
// shFatBody = shPBody;
// shFemaleBody = shPBody;
// shRaiderBody = shPBody;
// shJiangShi = shPBody;
DEBB(DF_POLY, ("heads"));
make_head_3d(shFemaleHair);
make_head_3d(shPHead);
make_head_3d(shTurban1);
make_head_3d(shTurban2);
make_head_3d(shAztecHead);
make_head_3d(shAztecCap);
make_head_3d(shVikingHelmet);
make_head_3d(shRaiderHelmet);
make_head_3d(shWestHat1);
make_head_3d(shWestHat2);
make_head_3d(shWitchHair);
make_head_3d(shBeautyHair);
make_head_3d(shFlowerHair);
make_head_3d(shGolemhead);
make_head_3d(shPirateHood);
make_head_3d(shEyepatch);
make_head_3d(shSkull);
make_head_3d(shDemon);
make_head_3d(shGoatHead);
make_head_3d(shJiangShiCap1);
make_head_3d(shJiangShiCap2);
make_head_3d(shTerraHead);
DEBB(DF_POLY, ("armors"));
make_armor_3d(shKnightArmor);
make_armor_3d(shKnightCloak, 2);
make_armor_3d(shPrinceDress);
make_armor_3d(shPrincessDress, 2);
make_armor_3d(shTerraArmor1);
make_armor_3d(shTerraArmor2);
make_armor_3d(shTerraArmor3);
make_armor_3d(shSuspenders);
make_armor_3d(shJiangShiDress);
make_armor_3d(shFemaleDress);
make_armor_3d(shWightCloak, 2);
make_armor_3d(shRaiderArmor);
make_armor_3d(shRaiderShirt);
make_armor_3d(shArmor);
make_armor_3d(shRatCape2, 2);
make_armor_3d(shHood, 2);
DEBB(DF_POLY, ("feet and paws"));
make_foot_3d(shHumanFoot);
make_foot_3d(shYetiFoot);
make_skeletal(shSkeletalFoot, WDIM == 2 ? zc(0.5) + human_height/40 - FLOOR : 0);
hyperpoint front_leg = Hypc;
hyperpoint rear_leg = Hypc;
for(int i=shDogFrontPaw.s; i<shDogFrontPaw.e; i++) front_leg += hpc[i];
for(int i=shDogRearPaw.s; i<shDogRearPaw.e; i++) rear_leg += hpc[i];
front_leg = normalize(front_leg);
rear_leg = normalize(rear_leg);
front_leg_move = lzpush(zc(0.4)) * rgpushxto0(front_leg);
front_leg_move_inverse = inverse(front_leg_move);
rear_leg_move = lzpush(zc(0.4)) * rgpushxto0(rear_leg);
rear_leg_move_inverse = inverse(rear_leg_move);
leg_length = zc(0.4) - zc(0);
make_paw_3d(shWolfFrontPaw, shWolfFrontLeg);
make_paw_3d(shWolfRearPaw, shWolfRearLeg);
make_paw_3d(shDogFrontPaw, shDogFrontLeg);
make_paw_3d(shDogRearPaw, shDogRearLeg);
DEBB(DF_POLY, ("revolution"));
// make_abody_3d(shWolfBody, 0.01);
// make_ahead_3d(shWolfHead);
// make_ahead_3d(shFamiliarHead);
ld g = WDIM == 2 ? ABODY - zc(0.4) : 0;
make_revolution_cut(shWolfBody, 30, g, 0.01*S);
make_revolution_cut(shWolfHead, 180, AHEAD - ABODY +g);
make_revolution_cut(shRatHead, 180, AHEAD - ABODY +g, 0.04*scalefactor);
make_revolution_cut(shRatCape1, 180, AHEAD - ABODY +g);
make_revolution_cut(shFamiliarHead, 30, AHEAD - ABODY +g);
// make_abody_3d(shDogTorso, 0.01);
make_revolution_cut(shDogTorso, 30, +g);
make_revolution_cut(shDogHead, 180, AHEAD - ABODY +g);