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hyperrogue/sky.cpp

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#include "hyper.h"
namespace hr {
EX bool context_fog = true;
EX ld camera_level;
#if MAXMDIM >= 4 && CAP_GL
EX int get_skybrightness(int mul IS(1)) {
ld s = 1 - mul * (camera_level - cgi.WALL) / -2;
if(s > 1) return 255;
if(s < 0) return 0;
return int(s * 255);
}
struct sky_item {
cell *c;
shiftmatrix T;
color_t color;
color_t skycolor;
sky_item(cell *_c, const struct shiftmatrix _T, color_t _color, color_t _skycolor) : c(_c), T(_T), color(_color), skycolor(_skycolor) {}
};
struct dqi_sky : drawqueueitem {
vector<sky_item> sky;
void draw() override;
color_t outline_group() override { return 3; }
// singleton
explicit dqi_sky() { hr::sky = this; }
~dqi_sky() override { hr::sky = NULL; }
};
EX struct dqi_sky *sky;
EX void prepare_sky() {
sky = NULL;
if(euclid) {
if(WDIM == 3 || GDIM == 2) return;
if(no_wall_rendering) return;
shiftmatrix T = ggmatrix(currentmap->gamestart());
T.T = gpushxto0(tC0(T.T)) * T.T;
queuepoly(T, cgi.shEuclideanSky, 0x0044e4FF);
queuepolyat(T * zpush(cgi.SKY+0.5) * xpush(cgi.SKY+0.5), cgi.shSun, 0xFFFF00FF, PPR::SKY);
}
else {
sky = &queuea<dqi_sky> (PPR::MISSILE);
}
}
vector<glhr::colored_vertex> skyvertices;
cell *sky_centerover;
shiftmatrix sky_cview;
void compute_skyvertices(const vector<sky_item>& sky) {
skyvertices.clear();
int sk = get_skybrightness();
std::map<cell*, pair<color_t, color_t>> colors;
for(const sky_item& si: sky) colors[si.c] =
make_pair(darkena(gradient(0, si.color, 0, sk, 255), 0, 0xFF),
darkena(si.skycolor, 0, 0xFF)
);
hyperpoint skypoint = cpush0(2, cgi.SKY);
hyperpoint hellpoint = cpush0(2, -cgi.SKY);
vector<glhr::colored_vertex> this_poly;
for(const sky_item& si: sky) {
auto c = si.c;
if(c->land == laMirrorWall) continue;
bool inmir = false;
forCellEx(c1, c) if(c1->land == laMirrorWall) inmir = true;
if(inmir) continue;
if(cgflags & qIDEAL) {
for(int i=0; i<c->type; i++) {
int j = (i+1) % c->type;
transmatrix T1 = unshift(si.T);
hyperpoint ci = kleinize(get_corner_position(c, i, 3));
hyperpoint cj = kleinize(get_corner_position(c, j, 3));
static const int prec = 8;
ci = (ci - C0)/prec;
cj = (cj - C0)/prec;
glhr::colored_vertex vs[prec+1][prec+1], vh[prec+1][prec+1];
auto& co = colors[c];
for(int x=0; x<=prec; x++)
for(int y=0; y<=prec-x; y++) {
transmatrix h = T1 * rgpushxto0(normalize(C0+ci*min<ld>(x, prec - .01)+cj*min<ld>(y, prec-.01)));
vs[y][x] = glhr::colored_vertex(h * skypoint, co.first);
vh[y][x] = glhr::colored_vertex(h * hellpoint, co.second);
}
for(int x=0; x<prec; x++)
for(int y=0; y<prec; y++) {
if(x+y < prec) {
skyvertices.emplace_back(vs[y][x]);
skyvertices.emplace_back(vs[y+1][x]);
skyvertices.emplace_back(vs[y][x+1]);
if(x < prec-1 && y < prec-1) {
skyvertices.emplace_back(vh[y][x]);
skyvertices.emplace_back(vh[y+1][x]);
skyvertices.emplace_back(vh[y][x+1]);
}
}
if(x && y && x+y <= prec) {
skyvertices.emplace_back(vs[y][x]);
skyvertices.emplace_back(vs[y][x-1]);
skyvertices.emplace_back(vs[y-1][x]);
if(x < prec-1 && y < prec-1) {
skyvertices.emplace_back(vh[y][x]);
skyvertices.emplace_back(vh[y][x-1]);
skyvertices.emplace_back(vh[y-1][x]);
}
}
}
if(!colors.count(c->move(i))) {
for(int i=0; i<prec; i++) {
int j = i+1;
skyvertices.emplace_back(vs[i][prec-i]);
skyvertices.emplace_back(vs[j][prec-j]);
skyvertices.emplace_back(vh[i][prec-i]);
skyvertices.emplace_back(vh[i][prec-i]);
skyvertices.emplace_back(vs[j][prec-j]);
skyvertices.emplace_back(vh[j][prec-j]);
}
}
}
continue;
}
for(int i=0; i<c->type; i++) {
if(1) {
cellwalker cw0(c, i);
cellwalker cw2 = cw0;
cw2--; cw2 += wstep;
if(!colors.count(cw2.at)) {
this_poly.clear();
transmatrix T1 = unshift(si.T);
auto cw = cw0;
while(colors.count(cw.at)) {
auto& co = colors[cw.at];
this_poly.emplace_back(T1 * skypoint, co.first);
this_poly.emplace_back(T1 * hellpoint, co.second);
T1 = T1 * currentmap->adj(cw.at, cw.spin);
cw += wstep; cw++;
}
int k = isize(this_poly);
for(int j=2; j<k; j+=2) {
skyvertices.push_back(this_poly[j-2]);
skyvertices.push_back(this_poly[j-1]);
skyvertices.push_back(this_poly[j]);
skyvertices.push_back(this_poly[j-1]);
skyvertices.push_back(this_poly[j]);
skyvertices.push_back(this_poly[j+1]);
}
goto next;
}
}
if(true) {
cellwalker cw0(c, i);
cellwalker cw = cw0;
do {
cw += wstep; cw++;
if(cw.at < c || !colors.count(cw.at)) goto next;
}
while(cw != cw0);
this_poly.clear();
transmatrix T1 = unshift(si.T);
do {
this_poly.emplace_back(T1 * skypoint, colors[cw.at].first);
T1 = T1 * currentmap->adj(cw.at, cw.spin);
cw += wstep; cw++;
}
while(cw != cw0);
int k = isize(this_poly);
for(int j=2; j<k; j++) {
skyvertices.push_back(this_poly[0]);
skyvertices.push_back(this_poly[j-1]);
skyvertices.push_back(this_poly[j]);
}
}
next: ;
}
}
for(auto& v: skyvertices) for(int i=0; i<3; i++) v.color[i] *= 2;
}
void dqi_sky::draw() {
if(!vid.usingGL || sky.empty()) return;
#if CAP_VR
transmatrix s = (vrhr::rendering() ? vrhr::master_cview : cview()).T * inverse(sky_cview.T);
#else
transmatrix s = cview().T * inverse(sky_cview.T);
#endif
for(int ed = current_display->stereo_active() ? -1 : 0; ed<2; ed+=2) {
if(global_projection && global_projection != ed) continue;
current_display->next_shader_flags = GF_VARCOLOR;
current_display->set_all(ed, 0);
if(global_projection) {
glhr::projection_multiply(glhr::tmtogl(xpush(-vid.ipd * global_projection/2)));
glapplymatrix(xpush(vid.ipd * global_projection/2) * s);
}
else {
glapplymatrix(s);
}
glhr::prepare(skyvertices);
glhr::set_fogbase(1.0 + 5 / sightranges[geometry]);
glhr::set_depthtest(model_needs_depth() && prio < PPR::SUPERLINE);
glhr::set_depthwrite(model_needs_depth() && prio != PPR::TRANSPARENT_SHADOW && prio != PPR::EUCLIDEAN_SKY);
glDrawArrays(GL_TRIANGLES, 0, isize(skyvertices));
}
}
color_t skycolor(cell *c) {
int cd = (euclid || stdhyperbolic) ? getCdata(c, 1) : 0;
int z = (cd * 5) & 127;
if(z >= 64) z = 127 - z;
return gradient(0x4040FF, 0xFFFFFF, 0, z, 63);
}
void celldrawer::draw_ceiling() {
if(pmodel != mdPerspective || sphere) return;
auto add_to_sky = [this] (color_t col, color_t col2) {
if(sky) sky->sky.emplace_back(c, V, col, col2);
};
switch(ceiling_category(c)) {
/* ceilingless levels */
case 1: {
if(euclid) return;
if(fieldpattern::fieldval_uniq(c) % 3 == 0) {
queuepolyat(V * zpush(cgi.SKY+1), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
}
add_to_sky(0x00000F, 0x00000F);
if(c->land == laAsteroids) {
if(fieldpattern::fieldval_uniq(c) % 9 < 3) {
queuepolyat(V * zpush(-1-cgi.SKY), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
}
int sk = get_skybrightness(-1);
auto sky = draw_shapevec(c, V * MirrorZ, cgi.shFullFloor.levels[SIDE_SKY], 0x000000FF + 0x100 * (sk/17), PPR::SKY);
if(sky) sky->tinf = NULL, sky->flags |= POLY_INTENSE;
}
return;
}
case 2: {
if(euclid) return;
color_t col;
color_t skycol;
switch(c->land) {
case laWineyard:
col = 0x4040FF;
skycol = 0x8080FF;
if(emeraldval(c) / 4 == 11) {
queuepolyat(V * zpush(cgi.SKY+1), cgi.shSun, 0xFFFF00FF, PPR::SKY);
}
break;
case laDesert:
col = 0x2020C0;
skycol = 0x8080FF;
if(emeraldval(c) / 4 == 11) {
queuepolyat(V * zpush(cgi.SKY+1), cgi.shSun, 0xFFFF00FF, PPR::SKY);
}
break;
case laFrog:
col = 0x4040FF;
skycol = 0x8080FF;
if(zebra40(c) / 4 == 1) {
queuepolyat(V * zpush(cgi.SKY+1), cgi.shSun, 0xFFFF00FF, PPR::SKY);
}
break;
case laPower:
skycol = col = c->landparam ? 0xFF2010 : 0x000020;
break;
/* case laDesert:
col = 0x4040FF;
skycol = (0xCDA98F & 0xFEFEFE) / 2;
break; */
case laAlchemist:
skycol = col = fcol;
break;
case laVariant: {
#if CAP_COMPLEX2
int b = getBits(c);
col = 0x404040;
for(int a=0; a<21; a++)
if((b >> a) & 1)
col += variant::features[a].color_change;
col = col & 0x00FF00;
skycol = col;
#endif
break;
}
case laDragon:
col = c->wall == waChasm ? 0xFFFFFF : 0x4040FF;
skycol = 0;
break;
case laHell: {
int a = 0;
forCellEx(c1, c) if(among(c1->wall, waSulphur, waSulphurC)) a++;
ld z = a * 1. / c->type;
if(z < .5)
col = gradient(0x400000, 0xFF0000, 0, z, .5);
else
col = gradient(0xFF0000, 0xFFFF00, .5, z, 1);
skycol = col;
break;
}
default: {
col = skycolor(c);
skycol = 0xA0A0FF;
}
}
add_to_sky(col, skycol);
return;
}
case 3: {
add_to_sky(0, 0);
if(camera_level <= cgi.WALL) return;
if(c->land == laMercuryRiver) fcol = linf[laTerracotta].color, fd = 1;
if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(fcol, fd, 0xFF), PPR::WALL);
forCellIdEx(c2, i, c)
if(ceiling_category(c2) != 3) {
color_t wcol2 = gradient(0, wcol, 0, .8, 1);
placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
placeSidewall(c, i, SIDE_SKY, V, darkena(wcol2, fd, 0xFF));
}
return;
}
case 4: {
add_to_sky(0x00000F, 0x00000F);
if(camera_level <= cgi.HIGH2) return;
auto ispal = [&] (cell *c0) { return c0->land == laPalace && among(c0->wall, waPalace, waClosedGate, waOpenGate); };
color_t wcol2 = 0xFFD500;
if(ispal(c)) {
forCellIdEx(c2, i, c) if(!ispal(c2))
placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
}
else {
bool window = false;
forCellIdEx(c2, i, c) if(c2->wall == waPalace && ispal(c->cmodmove(i+1)) && ispal(c->cmodmove(i-1))) window = true;
if(qfi.fshape && !window) draw_shapevec(c, V, qfi.fshape->levels[SIDE_HIGH], darkena(fcol, fd, 0xFF), PPR::WALL);
if(window)
forCellIdEx(c2, i, c)
placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
}
if(among(c->wall, waClosedGate, waOpenGate) && qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], 0x202020FF, PPR::WALL);
if(euclid) return;
if(true) {
queuepolyat(V * zpush(cgi.SKY+0.5), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
}
break;
}
case 6: {
add_to_sky(skycolor(c), 0x4040C0);
if(camera_level <= cgi.HIGH2) return;
color_t wcol2 = winf[waRuinWall].color;
if(c->landparam == 1)
forCellIdEx(c2, i, c) if(c2->landparam != 1)
placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
if(c->landparam != 2)
forCellIdEx(c2, i, c) if(c2->landparam == 2)
placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
/* if(c->landparam == 0)
if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_HIGH], darkena(wcol2, fd, 0xFF), PPR::WALL); */
if(c->landparam == 1)
if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(wcol2, fd, 0xFF), PPR::WALL);
break;
}
case 7: {
add_to_sky(0x00000F, 0x00000F);
if(fieldpattern::fieldval_uniq(c) % 5 < 2) {
queuepolyat(V * zpush(cgi.SKY+1), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
}
if(camera_level <= cgi.HIGH2) return;
color_t wcol2 = winf[waColumn].color;
if(c->landparam == 1)
forCellIdEx(c2, i, c) if(c2->landparam != 1)
placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
if(c->landparam != 2)
forCellIdEx(c2, i, c) if(c2->landparam == 2)
placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
if(c->landparam == 0)
if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_HIGH], darkena(wcol2, fd, 0xFF), PPR::WALL);
if(c->landparam == 1)
if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(wcol2, fd, 0xFF), PPR::WALL);
break;
}
case 5: {
add_to_sky(0x00000F, 0x00000F);
if(camera_level <= cgi.WALL) return;
if(pseudohept(c)) {
forCellIdEx(c2, i, c)
placeSidewall(c, i, SIDE_HIGH, V, darkena(fcol, fd, 0xFF));
}
else if(qfi.fshape)
draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(fcol, fd, 0xFF), PPR::WALL);
if(euclid) return;
if(true) {
queuepolyat(V * zpush(cgi.SKY+0.5), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
}
}
}
}
EX struct renderbuffer *airbuf;
EX void make_air() {
if(!sky) return;
if(centerover != sky_centerover) {
sky_centerover = centerover;
sky_cview = cview();
compute_skyvertices(sky->sky);
}
if(!context_fog) return;
const int AIR_TEXTURE = 512;
if(!airbuf) {
airbuf = new renderbuffer(AIR_TEXTURE, AIR_TEXTURE, true);
if(!airbuf->valid) {
delete airbuf;
airbuf = nullptr;
println(hlog, "unable to make airbuf");
return;
}
}
#if CAP_VR
dynamicval<int> i(vrhr::state, 0);
#endif
if(1) {
//shot::take("airtest.png", drawqueue);
dynamicval<videopar> v(vid, vid);
dynamicval<bool> vi(inHighQual, true);
vid.xres = AIR_TEXTURE;
vid.yres = AIR_TEXTURE;
calcparam();
models::configure();
resetbuffer rb;
airbuf->enable();
current_display->set_viewport(0);
airbuf->clear(0xFFFF00FF);
pconf.alpha = 1;
pconf.scale = 1;
pconf.camera_angle = 0;
pconf.stretch = 1;
pmodel = mdDisk;
vid.always3 = false;
geom3::apply_always3();
check_cgi();
cgi.require_shapes();
eGeometry orig = geometry;
#if !ISIOS
glDisable(GL_LINE_SMOOTH);
#endif
for(auto& g: sky->sky) {
transmatrix S;
if(1) {
geometry = gSpace534;
S = g.T.T;
S = radar_transform * S;
geometry = orig;
swapmatrix(S);
}
auto& h = cgi.shFullFloor.b[shvid(g.c)];
dqi_poly p;
p.V = shiftless(S);
p.offset = h.s;
p.cnt = h.e - h.s;
p.tab = &cgi.ourshape;
p.color = (g.skycolor << 8) | 0xFF;
p.outline = 0;
p.linewidth = 1;
p.flags = POLY_FORCEWIDE;
p.tinf = nullptr;
p.draw();
}
#if !ISIOS
if(vid.antialias & AA_LINES)
glEnable(GL_LINE_SMOOTH);
#endif
#if CAP_SDL
// if(anyshiftclick) IMAGESAVE(airbuf->render(), "air.png");
#endif
rb.reset();
}
GLERR("after draw");
geom3::apply_always3();
check_cgi();
calcparam();
GLERR("after make_air");
current_display->set_viewport(0);
current_display->set_all(0,0);
}
#endif
}
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