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hyperrogue/rogueviz/nilrider/statues.cpp
2024-08-18 01:30:43 +02:00

152 lines
3.7 KiB
C++

namespace hr {
namespace bricks {
void draw_ro();
extern void build(bool in_pair);
#if !NILRIDER
struct brick {
euc::coord co;
color_t col;
int walls;
hyperpoint location;
hpcshape shRotWall[6];
};
#endif
extern vector<brick> bricks;
}
}
namespace nilrider {
hpcshape shMini[6];
void create_minitriangle() {
using namespace bricks;
bricks::bricks.clear();
build(false);
hyperpoint ctr = Hypc;
for(auto& b: bricks::bricks) ctr += b.location;
ctr /= ctr[3];
transmatrix B = gpushxto0(ctr);
ld radius = 0;
ld sca = .18;
for(int f=0; f<6; f++) {
cgi.bshape(shMini[f], PPR::WALL);
shMini[f].flags |= POLY_TRIANGLES;
for(auto& b: bricks::bricks) {
transmatrix V = eupush(b.location);
int which = b.walls;
if(!((1<<f) & which)) continue;
auto& sh = b.shRotWall[f];
for(int i=sh.s; i<sh.e; i++) {
hyperpoint p = B * V * cgi.hpc[i];
p[0] *= sca;
p[1] *= sca;
p[2] *= sca*sca;
cgi.hpcpush(p);
radius = max(radius, sqhypot_d(2, p));
}
}
cgi.finishshape();
}
cgi.extra_vertices();
println(hlog, "radius = ", radius);
}
/** the texture data used for the castle walls */
texture::texture_data *castle_texture;
void create_castle() {
if(!castle_texture) {
castle_texture = new texture::texture_data;
auto& tex = *castle_texture;
tex.twidth = 16;
tex.theight = 16;
tex.stretched = false;
tex.strx = tex.tx = tex.twidth;
tex.stry = tex.ty = tex.theight;
tex.base_x = 0;
tex.base_y = 0;
tex.whitetexture();
for(int y=0; y<16; y++)
for(int x=0; x<16; x++)
tex.get_texture_pixel(x, y) = bcols[submaps['b'][y][x]];
tex.loadTextureGL();
}
}
hpcshape shBall;
bool open_grid(int x, int y) {
return among(y&3, 1, 2) || among(x&3, 0, 3);
}
bool closed_grid(int x, int y) {
return among(y&3, 0, 3) || among(x&3, 0, 3);
}
template<class T1, class T2> void add_statue(const T1& grid, const T2& f) {
auto pt = [&] (int x, int y) {
ld x1 = x * TAU / 32;
ld y1 = y * TAU / 64;
cgi.hpcpush(f(x1,y1));
};
for(int y=-16; y<16; y++)
for(int x=-16; x<16; x++) if(grid(x,y)) {
pt(x, y);
pt(x, y+1);
pt(x+1, y);
pt(x+1, y);
pt(x, y+1);
pt(x+1, y+1);
}
}
hpcshape shGeostatue;
void init_statues() {
check_cgi();
if(cgi.ext.count("nil-statues")) return;
cgi.ext["nil-statues"] = nullptr;
create_minitriangle();
cgi.bshape(shBall, PPR::WALL);
shBall.flags |= POLY_TRIANGLES;
add_statue(open_grid, [] (ld lon, ld lat) { return direct_exp(point3(cos(lat)*sin(lon)*.5, cos(lat)*cos(lon)*.5, sin(lat)*.5)); });
cgi.finishshape();
cgi.extra_vertices();
cgi.add_texture(shBall);
cgi.bshape(shGeostatue, PPR::WALL);
shGeostatue.flags |= POLY_TRIANGLES;
for(int i=0; i<8; i++) {
hyperpoint z = point31(0, 1e-6, 8);
hyperpoint ih = inverse_exp(shiftless(z));
ih = spin(i * TAU / 8) * ih;
add_statue(closed_grid, [&] (ld lon, ld lat) {
lat = lat * .75;
hyperpoint h = direct_exp(ih * (.5 + lat / M_PI));
return rgpushxto0(h) * sym_to_used(point31(sin(lon)*.1, cos(lon)*.1, 0));
});
}
cgi.finishshape();
cgi.extra_vertices();
cgi.add_texture(shGeostatue);
for(ld z: vector<ld> {90._deg+1e-2, M_PI+1e-2, TAU+1e-2, 7, 10})
for(hyperpoint h: {point31(0, 0, z), point31(1e-3, 0, z), point31(1e-6, 0, z), point31(0, 1e-6, z)}) {
hyperpoint i = inverse_exp(shiftless(h));
println(hlog, i, " @ ", hypot_d(3, i));
}
}
}