mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-11-30 15:39:54 +00:00
269 lines
7.9 KiB
C++
269 lines
7.9 KiB
C++
// Hyperbolic Rogue
|
|
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
|
|
|
|
// basic utility functions
|
|
|
|
namespace hr {
|
|
|
|
#if CAP_TIMEOFDAY
|
|
#if !CAP_SDL
|
|
int lastusec;
|
|
int uticks;
|
|
|
|
int SDL_GetTicks() {
|
|
struct timeval tim;
|
|
gettimeofday(&tim, NULL);
|
|
int newusec = tim.tv_usec;
|
|
uticks += newusec - lastusec;
|
|
if(newusec <= lastusec)
|
|
uticks += 1000000;
|
|
lastusec = newusec;
|
|
return uticks / 1000;
|
|
}
|
|
|
|
#endif
|
|
#endif
|
|
|
|
long double sqr(long double x) { return x*x; }
|
|
string its(int i) { char buf[64]; sprintf(buf, "%d", i); return buf; }
|
|
string fts(float x) { char buf[64]; sprintf(buf, "%4.2f", x); return buf; }
|
|
string fts3(float x) { char buf[64]; sprintf(buf, "%5.3f", x); return buf; }
|
|
string fts4(float x) { char buf[64]; sprintf(buf, "%6.4f", x); return buf; }
|
|
string fts6(float x) { char buf[64]; sprintf(buf, "%8.6f", x); return buf; }
|
|
string ftsg(float x) { char buf[64]; sprintf(buf, "%4.2g", x); return buf; }
|
|
|
|
string ftssmart(ld x) {
|
|
if(x == int(x)) return its(int(x));
|
|
if(abs(x) > 1) return fts4(x);
|
|
char buf[64]; sprintf(buf, "%.10e", (float) x);
|
|
return buf;
|
|
}
|
|
|
|
/*
|
|
string fts_smartdisplay(ld x, int maxdisplay) {
|
|
string rv;
|
|
if(x > 1e9 || x < -1e9) retrun fts(x);
|
|
if(x<0) { rv = "-"; x = -x; }
|
|
int i = int(x);
|
|
rv += its(i);
|
|
x -= i;
|
|
bool nonzero = i;
|
|
if(x == 0) return rv;
|
|
if(x < 1e-9 && nonzero) return rv;
|
|
rv += ".";
|
|
while(maxdisplay > 0) {
|
|
x *= 10;
|
|
rv += '0' + int(x);
|
|
if(int(x)) nonzero = true;
|
|
x -= int(x);
|
|
if(x == 0) return rv;
|
|
if(x < 1e-9 && nonzero) return rv;
|
|
maxdisplay--;
|
|
}
|
|
} */
|
|
|
|
string cts(char c) { char buf[8]; buf[0] = c; buf[1] = 0; return buf; }
|
|
string llts(long long i) {
|
|
// sprintf does not work on Windows IIRC
|
|
if(i < 0) return "-" + llts(-i);
|
|
if(i < 10) return its((int) i);
|
|
return llts(i/10) + its(i%10);
|
|
}
|
|
string itsh(int i) {static char buf[16]; sprintf(buf, "%03X", i); return buf; }
|
|
string itsh2(int i) {static char buf[16]; sprintf(buf, "%02X", i); return buf; }
|
|
string itsh8(int i) {static char buf[16]; sprintf(buf, "%08X", i); return buf; }
|
|
|
|
int gcd(int i, int j) {
|
|
return i ? gcd(j%i, i) : j;
|
|
}
|
|
|
|
int gmod(int i, int j) {
|
|
i %= j; if(i<0) i += j;
|
|
return i;
|
|
}
|
|
|
|
int gdiv(int i, int j) {
|
|
return (i - gmod(i, j)) / j;
|
|
}
|
|
|
|
ld frac(ld x) {
|
|
x -= int(x);
|
|
if(x < 0) x++;
|
|
return x;
|
|
}
|
|
|
|
// debug utilities
|
|
|
|
#if CAP_PROFILING
|
|
|
|
#define FRAMES 64
|
|
#define CATS 16
|
|
|
|
long long proftable[16][FRAMES];
|
|
int pframeid;
|
|
|
|
void profile_frame() {
|
|
pframeid++; pframeid %= FRAMES;
|
|
for(int t=0; t<16; t++) proftable[t][pframeid] = 0;
|
|
}
|
|
|
|
void profile_start(int t) { proftable[t][pframeid] -= getms(); }
|
|
void profile_stop(int t) { proftable[t][pframeid] += getms(); }
|
|
|
|
void profile_info() {
|
|
for(int t=0; t<16; t++) {
|
|
sort(proftable[t], proftable[t]+FRAMES);
|
|
if(proftable[t][FRAMES-1] == 0) continue;
|
|
long long sum = 0;
|
|
for(int f=0; f<FRAMES; f++) sum += proftable[t][f];
|
|
printf("Category %d: avg = %Ld, %Ld..%Ld..%Ld..%Ld..%Ld\n",
|
|
t, sum / FRAMES, proftable[t][0], proftable[t][16], proftable[t][32],
|
|
proftable[t][48], proftable[t][63]);
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
#define profile_frame()
|
|
#define profile_start(t)
|
|
#define profile_stop(t)
|
|
#define profile_info()
|
|
#endif
|
|
|
|
int whateveri, whateveri2;
|
|
|
|
purehookset hooks_tests;
|
|
|
|
string simplify(const string& s) {
|
|
string res;
|
|
for(char c: s) if(isalnum(c)) res += c;
|
|
return res;
|
|
}
|
|
|
|
bool appears(const string& haystack, const string& needle) {
|
|
return simplify(haystack).find(simplify(needle)) != string::npos;
|
|
}
|
|
|
|
cld exp_parser::parse(int prio) {
|
|
cld res;
|
|
while(next() == ' ') at++;
|
|
if(eat("sin(")) res = sin(parsepar());
|
|
else if(eat("cos(")) res = cos(parsepar());
|
|
else if(eat("sinh(")) res = sinh(parsepar());
|
|
else if(eat("cosh(")) res = cosh(parsepar());
|
|
else if(eat("asin(")) res = asin(parsepar());
|
|
else if(eat("acos(")) res = acos(parsepar());
|
|
else if(eat("asinh(")) res = asinh(parsepar());
|
|
else if(eat("acosh(")) res = acosh(parsepar());
|
|
else if(eat("exp(")) res = exp(parsepar());
|
|
else if(eat("log(")) res = log(parsepar());
|
|
else if(eat("tan(")) res = tan(parsepar());
|
|
else if(eat("tanh(")) res = tanh(parsepar());
|
|
else if(eat("atan(")) res = atan(parsepar());
|
|
else if(eat("atanh(")) res = atanh(parsepar());
|
|
else if(eat("abs(")) res = abs(parsepar());
|
|
else if(eat("re(")) res = real(parsepar());
|
|
else if(eat("im(")) res = imag(parsepar());
|
|
else if(eat("conj(")) res = std::conj(parsepar());
|
|
else if(eat("floor(")) res = floor(real(parsepar()));
|
|
else if(eat("frac(")) { res = parsepar(); res = res - floor(real(res)); }
|
|
else if(eat("to01(")) { res = parsepar(); return atan(res) / M_PI + 0.5; }
|
|
else if(eat("ifp(")) {
|
|
cld cond = parse(0);
|
|
if(next() != ',') {at = -1; return 0; } at++;
|
|
cld yes = parse(0);
|
|
if(next() != ',') {at = -1; return 0; } at++;
|
|
cld no = parsepar();
|
|
return real(cond) > 0 ? yes : no;
|
|
}
|
|
else if(eat("rgb(")) {
|
|
cld val0 = parse(0);
|
|
if(next() != ',') {at = -1; return 0; } at++;
|
|
cld val1 = parse(0);
|
|
if(next() != ',') {at = -1; return 0; } at++;
|
|
cld val2 = parsepar();
|
|
switch(int(real(extra_params["p"]) + .5)) {
|
|
case 1: return val0;
|
|
case 2: return val1;
|
|
case 3: return val2;
|
|
default: return 0;
|
|
}
|
|
}
|
|
else if(eat("let(")) {
|
|
string name;
|
|
while(true) {
|
|
char c = next();
|
|
if((c >= '0' && c <= '9') || (c == '.' && next(1) != '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_')
|
|
name += c, at++;
|
|
else break;
|
|
}
|
|
if(next() != '=') { at = -1; return 0; }
|
|
at++;
|
|
cld val = parse(0);
|
|
if(next() != ',') { at = -1; return 0; }
|
|
at++;
|
|
dynamicval<cld> d(extra_params[name], val);
|
|
return parsepar();
|
|
}
|
|
else if(next() == '(') at++, res = parsepar();
|
|
else {
|
|
string number;
|
|
while(true) {
|
|
char c = next();
|
|
if((c >= '0' && c <= '9') || (c == '.' && next(1) != '.') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_')
|
|
number += c, at++;
|
|
else break;
|
|
}
|
|
if(number == "e") res = exp(1);
|
|
else if(number == "i") res = cld(0, 1);
|
|
else if(number == "p" || number == "pi") res = M_PI;
|
|
else if(number == "" && next() == '-') { at++; res = -parse(prio); }
|
|
else if(number == "") at = -1;
|
|
else if(number == "s") res = ticks / 1000.;
|
|
else if(number == "ms") res = ticks;
|
|
else if(number[0] == '0' && number[1] == 'x') res = strtoll(number.c_str()+2, NULL, 16);
|
|
else if(number == "mousex") res = mousex;
|
|
else if(number == "mousey") res = mousey;
|
|
else if(number == "mousez") res = cld(mousex - current_display->xcenter, mousey - current_display->ycenter) / cld(current_display->radius, 0);
|
|
else if(extra_params.count(number)) res = extra_params[number];
|
|
else if(params.count(number)) res = params.at(number);
|
|
else if(number[0] >= 'a' && number[0] <= 'z') at = -1;
|
|
else { std::stringstream ss; res = 0; ss << number; ss >> res; }
|
|
}
|
|
while(true) {
|
|
if(next() == '.' && next(1) == '.' && prio == 0) {
|
|
vector<cld> rest = { res };
|
|
while(next() == '.' && next(1) == '.') {
|
|
at += 2; rest.push_back(parse(10));
|
|
}
|
|
ld v = ticks * (isize(rest)-1.) / anims::period;
|
|
int vf = v;
|
|
v -= vf;
|
|
vf %= (isize(rest)-1);
|
|
res = rest[vf] + (rest[vf+1] - rest[vf]) * v;
|
|
return res;
|
|
}
|
|
else if(next() == '+' && prio <= 10) at++, res = res + parse(20);
|
|
else if(next() == '-' && prio <= 10) at++, res = res - parse(20);
|
|
else if(next() == '*' && prio <= 20) at++, res = res * parse(30);
|
|
else if(next() == '/' && prio <= 20) at++, res = res / parse(30);
|
|
else if(next() == '^') at++, res = pow(res, parse(40));
|
|
else break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
ld parseld(const string& s) {
|
|
exp_parser ep;
|
|
ep.s = s;
|
|
return real(ep.parse());
|
|
}
|
|
|
|
string parser_help() {
|
|
return XLAT("Functions available: %1",
|
|
"(a)sin(h), (a)cos(h), (a)tan(h), exp, log, abs, re, im, conj, let(t=...,...t...), floor, frac, e, i, pi, s, ms, mousex, mousey, mousez, to01, ifp(a,v,w) [if positive]");
|
|
}
|
|
|
|
logger hlog;
|
|
}
|