313 lines
10 KiB
C++
313 lines
10 KiB
C++
#include "hyper.h"
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namespace hr {
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#if MAXMDIM >= 4 && CAP_GL
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EX ld camera_level;
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EX int get_skybrightness(int mul IS(1)) {
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ld s = 1 - mul * (camera_level - cgi.WALL) / -2;
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if(s > 1) return 255;
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if(s < 0) return 0;
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return int(s * 255);
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}
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struct sky_item {
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cell *c;
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transmatrix T;
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color_t color;
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sky_item(cell *_c, const struct transmatrix _T, color_t _color) : c(_c), T(_T), color(_color) {}
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};
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struct dqi_sky : drawqueueitem {
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vector<sky_item> sky;
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void draw();
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virtual color_t outline_group() { return 3; }
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// singleton
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dqi_sky() { hr::sky = this; }
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~dqi_sky() { hr::sky = NULL; }
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};
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EX struct dqi_sky *sky;
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EX void prepare_sky() {
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sky = NULL;
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if(euclid) {
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if(WDIM == 3 || GDIM == 2) return;
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if(no_wall_rendering) return;
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transmatrix T = ggmatrix(currentmap->gamestart());
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T = gpushxto0(tC0(T)) * T;
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queuepoly(T, cgi.shEuclideanSky, 0x0044e4FF);
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queuepolyat(T * zpush(cgi.SKY+0.5) * xpush(cgi.SKY+0.5), cgi.shSun, 0xFFFF00FF, PPR::SKY);
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}
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else if(!(cgflags & qIDEAL)) {
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sky = &queuea<dqi_sky> (PPR::SKY);
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}
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}
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void dqi_sky::draw() {
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if(!vid.usingGL || sky.empty()) return;
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vector<glhr::colored_vertex> skyvertices;
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int sk = get_skybrightness();
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unordered_map<cell*, color_t> colors;
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#ifdef USE_UNORDERED_MAP
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colors.reserve(isize(sky));
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#endif
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for(sky_item& si: sky) colors[si.c] = darkena(gradient(0, si.color, 0, sk, 255), 0, 0xFF);
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hyperpoint skypoint = cpush0(2, cgi.SKY);
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vector<glhr::colored_vertex> this_poly;
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// I am not sure why, but extra projection martix introduced in stereo
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// causes some vertices to not be drawn. Thus we apply separately
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transmatrix Tsh = Id;
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if(global_projection)
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Tsh = xpush(vid.ipd * global_projection/2);
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for(sky_item& si: sky) {
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auto c = si.c;
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for(int i=0; i<c->type; i++) {
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if(1) {
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cellwalker cw0(c, i);
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cellwalker cw = cw0;
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do {
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cw += wstep; cw++;
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if(cw.at < c || !colors.count(si.c)) goto next;
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}
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while(cw != cw0);
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this_poly.clear();
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transmatrix T1 = Tsh * si.T;
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do {
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this_poly.emplace_back(T1 * skypoint, colors[cw.at]);
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T1 = T1 * currentmap->adj(cw.at, cw.spin);
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cw += wstep; cw++;
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}
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while(cw != cw0);
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int k = isize(this_poly);
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for(int j=2; j<k; j++) {
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skyvertices.push_back(this_poly[0]);
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skyvertices.push_back(this_poly[j-1]);
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skyvertices.push_back(this_poly[j]);
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}
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}
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next: ;
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}
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}
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for(auto& v: skyvertices) for(int i=0; i<3; i++) v.color[i] *= 2;
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for(int ed = current_display->stereo_active() ? -1 : 0; ed<2; ed+=2) {
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if(global_projection && global_projection != ed) continue;
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current_display->next_shader_flags = GF_VARCOLOR;
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current_display->set_all(ed);
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if(global_projection)
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glhr::projection_multiply(glhr::tmtogl(xpush(-vid.ipd * global_projection/2)));
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glapplymatrix(Id);
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glhr::prepare(skyvertices);
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glhr::set_fogbase(1.0 + 5 / sightranges[geometry]);
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glhr::set_depthtest(model_needs_depth() && prio < PPR::SUPERLINE);
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glhr::set_depthwrite(model_needs_depth() && prio != PPR::TRANSPARENT_SHADOW && prio != PPR::EUCLIDEAN_SKY);
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glDrawArrays(GL_TRIANGLES, 0, isize(skyvertices));
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}
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}
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color_t skycolor(cell *c) {
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int cd = (euclid || stdhyperbolic) ? getCdata(c, 1) : 0;
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int z = (cd * 5) & 127;
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if(z >= 64) z = 127 - z;
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if(c->land == laHell)
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return z < 32 ? gradient(0x400000, 0xFF0000, 0, z, 32) : gradient(0xFF0000, 0xFFFF00, 32, z, 63);
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else
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return gradient(0x4040FF, 0xFFFFFF, 0, z, 63);
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}
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void celldrawer::draw_ceiling() {
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if(pmodel != mdPerspective || sphere) return;
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auto add_to_sky = [this] (color_t col) {
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if(cgflags & qIDEAL)
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draw_shapevec(c, V, qfi.fshape->levels[SIDE_HIGH], darkena(col, 0, 0xFF), PPR::WALL);
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else if(sky) sky->sky.emplace_back(c, V, col);
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};
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switch(ceiling_category(c)) {
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/* ceilingless levels */
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case 1: {
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if(euclid) return;
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if(fieldpattern::fieldval_uniq(c) % 3 == 0) {
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queuepolyat(V * zpush(cgi.SKY+1), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
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}
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add_to_sky(0x00000F);
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if(c->land == laAsteroids) {
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if(fieldpattern::fieldval_uniq(c) % 9 < 3) {
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queuepolyat(V * zpush(-1-cgi.SKY), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
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}
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int sk = get_skybrightness(-1);
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auto sky = draw_shapevec(c, V * MirrorZ, cgi.shFullFloor.levels[SIDE_SKY], 0x000000FF + 0x100 * (sk/17), PPR::SKY);
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if(sky) sky->tinf = NULL, sky->flags |= POLY_INTENSE;
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}
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return;
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}
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case 2: {
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if(euclid) return;
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color_t col;
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switch(c->land) {
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case laWineyard:
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col = 0x4040FF;
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if(emeraldval(c) / 4 == 11) {
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queuepolyat(V * zpush(cgi.SKY+1), cgi.shSun, 0xFFFF00FF, PPR::SKY);
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}
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break;
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case laFrog:
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col = 0x4040FF;
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if(zebra40(c) / 4 == 1) {
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queuepolyat(V * zpush(cgi.SKY+1), cgi.shSun, 0xFFFF00FF, PPR::SKY);
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}
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break;
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case laPower:
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col = c->landparam ? 0xFF2010 : 0x000020;
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break;
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case laDesert:
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case laRedRock:
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col = 0x4040FF;
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break;
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case laAlchemist:
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col = fcol;
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break;
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case laVariant: {
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int b = getBits(c);
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col = 0x404040;
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for(int a=0; a<21; a++)
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if((b >> a) & 1)
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col += variant::features[a].color_change;
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col = col & 0x00FF00;
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break;
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}
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case laDragon:
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col = c->wall == waChasm ? 0xFFFFFF : 0x4040FF;
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break;
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default:
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col = skycolor(c);
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}
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add_to_sky(col);
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return;
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}
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case 3: {
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add_to_sky(0);
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if(camera_level <= cgi.WALL) return;
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if(c->land == laMercuryRiver) fcol = linf[laTerracotta].color, fd = 1;
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if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(fcol, fd, 0xFF), PPR::WALL);
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forCellIdEx(c2, i, c)
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if(ceiling_category(c2) != 3) {
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color_t wcol2 = gradient(0, wcol, 0, .8, 1);
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placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
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placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
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placeSidewall(c, i, SIDE_SKY, V, darkena(wcol2, fd, 0xFF));
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}
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return;
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}
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case 4: {
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add_to_sky(0x00000F);
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if(camera_level <= cgi.HIGH2) return;
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auto ispal = [&] (cell *c0) { return c0->land == laPalace && among(c0->wall, waPalace, waClosedGate, waOpenGate); };
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color_t wcol2 = 0xFFD500;
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if(ispal(c)) {
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forCellIdEx(c2, i, c) if(!ispal(c2))
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placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
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}
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else {
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bool window = false;
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forCellIdEx(c2, i, c) if(c2->wall == waPalace && ispal(c->cmodmove(i+1)) && ispal(c->cmodmove(i-1))) window = true;
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if(qfi.fshape && !window) draw_shapevec(c, V, qfi.fshape->levels[SIDE_HIGH], darkena(fcol, fd, 0xFF), PPR::WALL);
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if(window)
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forCellIdEx(c2, i, c)
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placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
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}
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if(among(c->wall, waClosedGate, waOpenGate) && qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], 0x202020FF, PPR::WALL);
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if(euclid) return;
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if(true) {
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queuepolyat(V * zpush(cgi.SKY+0.5), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
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}
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break;
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}
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case 6: {
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add_to_sky(skycolor(c));
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if(camera_level <= cgi.HIGH2) return;
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color_t wcol2 = winf[waRuinWall].color;
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if(c->landparam == 1)
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forCellIdEx(c2, i, c) if(c2->landparam != 1)
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placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
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if(c->landparam != 2)
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forCellIdEx(c2, i, c) if(c2->landparam == 2)
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placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
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if(c->landparam == 0)
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if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_HIGH], darkena(wcol2, fd, 0xFF), PPR::WALL);
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if(c->landparam == 1)
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if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(wcol2, fd, 0xFF), PPR::WALL);
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break;
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}
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case 7: {
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add_to_sky(0x00000F);
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if(fieldpattern::fieldval_uniq(c) % 5 < 2) {
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queuepolyat(V * zpush(cgi.SKY+1), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
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}
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if(camera_level <= cgi.HIGH2) return;
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color_t wcol2 = winf[waColumn].color;
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if(c->landparam == 1)
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forCellIdEx(c2, i, c) if(c2->landparam != 1)
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placeSidewall(c, i, SIDE_HIGH, V, darkena(wcol2, fd, 0xFF));
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if(c->landparam != 2)
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forCellIdEx(c2, i, c) if(c2->landparam == 2)
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placeSidewall(c, i, SIDE_HIGH2, V, darkena(wcol2, fd, 0xFF));
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if(c->landparam == 0)
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if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_HIGH], darkena(wcol2, fd, 0xFF), PPR::WALL);
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if(c->landparam == 1)
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if(qfi.fshape) draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(wcol2, fd, 0xFF), PPR::WALL);
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break;
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}
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case 5: {
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add_to_sky(0x00000F);
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if(camera_level <= cgi.WALL) return;
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if(pseudohept(c)) {
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forCellIdEx(c2, i, c)
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placeSidewall(c, i, SIDE_HIGH, V, darkena(fcol, fd, 0xFF));
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}
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else if(qfi.fshape)
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draw_shapevec(c, V, qfi.fshape->levels[SIDE_WALL], darkena(fcol, fd, 0xFF), PPR::WALL);
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if(euclid) return;
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if(true) {
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queuepolyat(V * zpush(cgi.SKY+0.5), cgi.shNightStar, 0xFFFFFFFF, PPR::SKY);
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}
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}
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}
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}
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#endif
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}
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