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hyperrogue/rogueviz/nilrider/planning.cpp
2022-05-09 15:58:36 +02:00

324 lines
9.5 KiB
C++

namespace nilrider {
hyperpoint get_spline(ld t);
bool level::simulate() {
loaded_or_planned = true;
if(history.empty())
history.push_back(start);
auto at = history.back();
if(at.t >= isize(plan) - 1.001) return false;
ld goal_t;
if(1) {
int steps = 20;
ld min_t, max_t;
if(isize(history) == 1) {
steps = 60;
min_t = at.t;
max_t = at.t + 0.5;
}
else {
ld ldiff = history.back().t - history[history.size() - 2].t;
min_t = at.t;
max_t = min<ld>(at.t + ldiff + .1, isize(plan)-1);
}
auto f = [&] (ld t) {
hyperpoint h = get_spline(t);
auto copy = at;
copy.heading_angle = atan2(h[1] - at.where[1], h[0] - at.where[0]);
copy.tick(this);
return sqhypot_d(2, copy.where-h);
};
string seq = "";
for(int i=0; i<steps; i++) {
ld t1 = min_t * .6 + max_t * .4;
ld t2 = min_t * .4 + max_t * .6;
auto e1 = f(t1);
auto e2 = f(t2);
if(e1 < e2) max_t = t2, seq += "B";
else min_t = t1, seq += "A";
}
goal_t = (min_t + max_t) / 2;
}
hyperpoint h = get_spline(goal_t);
at.heading_angle = atan2(h[1] - at.where[1], h[0] - at.where[0]);
history.back() = at;
at.be_consistent();
if(!at.tick(this)) return false;
at.t = goal_t;
history.push_back(at);
return true;
}
hyperpoint level::get_spline(ld t) {
int i = t;
if(i == isize(plan) - 1) return plan.back().at;
ld tf = t - i;
return plan[i].at * (1-tf) * (1-tf) * (1+2*tf) + plan[i+1].at * (tf*tf * (3-2*tf)) + plan[i].vel * tf * (1-tf) * (1-tf) - plan[i+1].vel * tf * tf * (1-tf);
}
hyperpoint mousept;
ld box;
ld closest_t;
char planmode = 'p';
vector<pair<char, string> > buttons = {
{'p', "pan"}, {'a', "add"}, {'m', "move"}, {'i', "insert"}, {'d', "delete"}, {'l', "levels"}
};
bool recompute_plan_transform = true;
void level::compute_plan_transform() {
dynamicval<eModel> pm(pmodel, mdDisk);
dynamicval<eGeometry> g(geometry, gEuclid);
dynamicval<bool> ga(vid.always3, false);
dynamicval<geometryinfo1> gi(ginf[gEuclid].g, giEuclid2);
auto& cd = current_display;
auto sId = shiftless(Id);
ld pix = 1 / (2 * cgi.hcrossf / cgi.crossf);
ld scale_x = (vid.xres - 2 * vid.fsize) / abs(real_maxx-real_minx);
ld scale_y = (vid.yres - 2 * vid.fsize) / abs(real_maxy-real_miny);
ld scale = min(scale_x, scale_y);
plan_transform = sId * atscreenpos(cd->xcenter, cd->ycenter, pix * scale) * eupush(-(real_minx+real_maxx)/2, (real_miny+real_maxy)/2) * MirrorY;
}
bool restored = false;
void level::draw_planning_screen() {
if(just_refreshing) return;
restored = true;
if(inHighQual) {
new_levellines_for = mousept = current.where;
}
curlev->init_textures();
dynamicval<eGeometry> g(geometry, gEuclid);
dynamicval<eModel> pm(pmodel, mdDisk);
dynamicval<bool> ga(vid.always3, false);
dynamicval<geometryinfo1> gi(ginf[gEuclid].g, giEuclid2);
check_cgi();
cgi.require_shapes();
curlev->init_shapes();
initquickqueue();
if(recompute_plan_transform) {
compute_plan_transform();
recompute_plan_transform = false;
}
auto& T = plan_transform;
auto scr_to_map = [&] (hyperpoint h) {
transmatrix mousef = inverse(unshift(T)) * atscreenpos(h[0], h[1], 1);
h = mousef * C0;
h /= h[2];
return h;
};
if(!inHighQual) mousept = scr_to_map(hpxy(mousex, mousey));
box = inHighQual ? scr_to_map(hpxy(10, 0))[0] - scr_to_map(hpxy(0,0))[0] : scr_to_map(hpxy(mousex + 5, mousey))[0] - mousept[0];
/* draw the map */
auto& p = queuepolyat(T, shPlanFloor, 0xFFFFFFFF, PPR::FLOOR);
p.tinf = &uniltinf;
uniltinf.texture_id = unil_texture_levels->textureid;
auto draw_sq = [&] (hyperpoint h, color_t col, PPR prio) {
curvepoint(hpxy(h[0]+box, h[1]+box));
curvepoint(hpxy(h[0]+box, h[1]-box));
curvepoint(hpxy(h[0]-box, h[1]-box));
curvepoint(hpxy(h[0]-box, h[1]+box));
curvepoint(hpxy(h[0]+box, h[1]+box));
queuecurve(T, 0xFF, col, prio);
};
auto draw_line = [&] (hyperpoint h1, hyperpoint h2, color_t col, PPR prio) {
curvepoint(hpxy(h1[0], h1[1]));
curvepoint(hpxy(h2[0], h2[1]));
queuecurve(T, col, 0, prio);
};
if(levellines_for[3])
draw_sq(levellines_for, 0xFFC0FFFF, PPR::ITEM);
/* draw the plan */
for(auto& pp: plan) {
draw_sq(pp.at - pp.vel, 0xFF8080FF, PPR::ITEM);
draw_sq(pp.at + pp.vel, 0x80FF80FF, PPR::ITEM);
draw_sq(pp.at, 0xFFFF00FF, PPR::ITEM);
draw_line(pp.at - pp.vel, pp.at + pp.vel, 0x80, PPR::BFLOOR);
}
bool after = false;
if(history.empty()) history.push_back(start);
closest_t = history.back().t;
ld closest_dist = box * 2;
vid.linewidth *= 3;
int ps = isize(plan);
for(int t=0; t<=100*(ps-1); t++) {
ld tt = t / 100.;
if(tt > history.back().t && !after) {
queuecurve(T, 0xFFFFFFC0, 0, PPR::LIZEYE);
after = true;
}
hyperpoint h = get_spline(tt);
curvepoint(hpxy(h[0], h[1]));
ld dist = sqhypot_d(2, h - mousept);
if(dist < closest_dist) closest_dist = dist, closest_t = tt;
}
queuecurve(T, after ? 0xFF8080C0 : 0xFFFFFFC0, 0, PPR::LIZEYE);
vid.linewidth /= 3;
if(!history.empty()) {
int mint = 0, maxt = isize(history)-1;
while(mint < maxt) {
int t = (mint + maxt + 1) / 2;
if(history[t].t > closest_t) maxt = t-1;
else mint = t;
}
current = history[mint];
}
draw_sq(get_spline(closest_t), 0x8080FFFF, PPR::ITEM);
draw_sq(current.where, 0xFF8000FF, PPR::ITEM);
draw_sq(mousept, 0x8080FFFF, PPR::ITEM);
quickqueue();
glflush();
getcstat = '-';
}
hyperpoint mousept_drag;
int move_id = -1, move_dir = 0;
bool level::handle_planning(int sym, int uni) {
if(sym == PSEUDOKEY_WHEELUP || sym == SDLK_PAGEUP) {
dynamicval<eGeometry> g(geometry, gEuclid);
plan_transform.T = atscreenpos(mousex, mousey, 1.2) * inverse(atscreenpos(mousex, mousey, 1)) * plan_transform.T;
return true;
}
if(sym == PSEUDOKEY_WHEELDOWN || sym == SDLK_PAGEDOWN) {
dynamicval<eGeometry> g(geometry, gEuclid);
plan_transform.T = atscreenpos(mousex, mousey, 1) * inverse(atscreenpos(mousex, mousey, 1.2)) * plan_transform.T;
return true;
}
for(auto& b: buttons) if(uni == b.first) {
if(uni == 'l' && planmode == 'l') new_levellines_for[3] = 0;
planmode = uni; return true;
}
auto clean_history_to = [&] (int i) {
while(history.size() > 1 && history.back().t > i) history.pop_back();
};
switch(planmode) {
case 'p':
if(uni == '-' && !holdmouse) {
mousept_drag = mousept;
holdmouse = true;
return true;
}
else if(uni == '-' && holdmouse) {
dynamicval<eGeometry> g(geometry, gEuclid);
if(restored) plan_transform.T = plan_transform.T * eupush(mousept-mousept_drag);
restored = false;
return true;
}
return false;
case 'a':
if(uni == '-' && !holdmouse) {
plan.emplace_back(mousept, hpxy(0, 0));
holdmouse = true;
return true;
}
else if(uni == '-' && holdmouse) {
plan.back().vel = mousept - plan.back().at;
return true;
}
return false;
case 'm': case 'd': {
if(!holdmouse) {
ld len = box * 2;
move_id = -1;
auto check = [&] (hyperpoint h, int id, int dir) {
ld d = sqhypot_d(2, h - mousept);
if(d < len) { len = d; move_id = id; move_dir = dir; }
};
int next_id = 0;
for(auto p: plan) {
check(p.at + p.vel, next_id, 1);
check(p.at - p.vel, next_id, -1);
check(p.at, next_id, 0);
next_id++;
}
}
if(uni == '-' && planmode == 'd' && move_id > 0) {
plan.erase(plan.begin() + move_id);
clean_history_to(move_id - 1);
return true;
}
else if(uni == '-' && planmode == 'm' && (move_id + move_dir * move_dir > 0) && !holdmouse) {
holdmouse = true;
println(hlog, "moving ", tie(move_id, move_dir));
return true;
}
else if(uni == '-' && planmode == 'm' && holdmouse) {
println(hlog, "moving further ", tie(move_id, move_dir));
if(move_dir == 0) plan[move_id].at = mousept;
else plan[move_id].vel = move_dir * (mousept - plan[move_id].at);
println(hlog, "set to ", tie(plan[move_id].at, plan[move_id].vel));
clean_history_to(move_id - 1);
return true;
}
return false;
}
case 'i': {
if(uni == '-' && !holdmouse) {
planpoint pt(C0, C0);
pt.at = get_spline(closest_t);
pt.vel = hpxy(0, 0);
plan.insert(plan.begin() + int(ceil(closest_t)), pt);
move_id = int(ceil(closest_t));
holdmouse = true;
clean_history_to(int(closest_t));
return true;
}
else if(uni == '-' && holdmouse) {
plan[move_id].vel = mousept - plan[move_id].at;
clean_history_to(move_id - 1);
}
return false;
}
case 'l': {
if(uni == '-') {
new_levellines_for = mousept;
new_levellines_for[2] = surface(new_levellines_for);
holdmouse = true;
return true;
}
return false;
}
default:
return false;
}
}
}