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https://github.com/zenorogue/hyperrogue.git
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465 lines
13 KiB
C++
465 lines
13 KiB
C++
// Hyperbolic Rogue - basic game routines
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// Copyright (C) 2011-2019 Zeno Rogue, see 'hyper.cpp' for details
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/** \file game.cpp
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* \brief basic game routines
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*/
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#include "hyper.h"
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namespace hr {
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/** \brief the main random number generator for the game.
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*
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* All the random calls related to the game mechanics (land generation, AI...) should use hrngen.
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*
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* Random calls not related to the game mechanics (graphical effects) should not use hrngen.
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*
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* This ensures that the game should unfold exactly the same if given the same seed and the same input.
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*/
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EX std::mt19937 hrngen;
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/** \brief initialize \link hrngen \endlink */
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EX void shrand(int i) {
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hrngen.seed(i);
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}
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/** \brief generate a large number with \link hrngen \endlink */
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EX int hrandpos() { return hrngen() & HRANDMAX; }
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/** \brief A random integer from [0..i), generated from \link hrngen \endlink.
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*
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* We are using our own implementations rather than ones from <random>,
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* to make sure that they return the same values on different compilers.
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**/
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EX int hrand(int i) {
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unsigned d = hrngen() - hrngen.min();
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long long m = (long long) (hrngen.max() - hrngen.min()) + 1;
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m /= i;
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d /= m;
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if(d < (unsigned) i) return d;
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return hrand(i);
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}
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#if HDR
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template<class T, class... U> T pick(T x, U... u) { std::initializer_list<T> i = {x,u...}; return *(i.begin() + hrand(1+sizeof...(u))); }
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template<class T> void hrandom_shuffle(T* x, int n) { for(int k=1; k<n; k++) swap(x[k], x[hrand(k+1)]); }
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template<class T> void hrandom_shuffle(T& container) { hrandom_shuffle(&container[0], isize(container)); }
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template<class U> auto hrand_elt(U& container) -> decltype(container[0]) { return container[hrand(isize(container))]; }
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template<class T, class U> T hrand_elt(U& container, T default_value) {
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if(container.empty()) return default_value;
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return container[hrand(isize(container))];
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}
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#endif
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EX vector<int> hrandom_permutation(int qty) {
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vector<int> res(qty);
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for(int i=0; i<qty; i++) res[i] = i;
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hrandom_shuffle(res);
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return res;
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}
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/** Use \link hrngen \endlink to generate a floating point number between 0 and 1.
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*/
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EX ld hrandf() {
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return (hrngen() - hrngen.min()) / (hrngen.max() + 1.0 - hrngen.min());
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}
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/** Returns an integer corresponding to the current state of \link hrngen \endlink.
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*/
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EX int hrandstate() {
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std::mt19937 r2 = hrngen;
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return r2() & HRANDMAX;
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}
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EX int lastsafety;
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EX bool usedSafety = false;
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EX eLand safetyland;
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EX int safetyseed;
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EX bool childbug = false;
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/** Is `w` killed if the part of an ivy `killed` is killed? */
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EX bool isChild(cell *w, cell *killed) {
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if(isAnyIvy(w->monst)) {
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int lim = 0;
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// printf("w = %p mondir = %d **\n", w, w->mondir);
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while(w != killed && w->mondir != NODIR) {
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lim++; if(lim == 100000) {
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childbug = true;
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printf("childbug!\n");
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w->item = itBuggy; break;
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}
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if(!isAnyIvy(w->monst)) {
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return false;
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}
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w = w->move(w->mondir);
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// printf("w = %p mondir = %d\n", w, w->mondir);
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}
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}
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return w == killed;
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}
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EX eMonster active_switch() {
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return eMonster(passive_switch ^ moSwitch1 ^ moSwitch2);
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}
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EX vector<cell*> crush_now, crush_next;
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EX int getDistLimit() { return cgi.base_distlimit; }
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EX void activateFlashFrom(cell *cf, eMonster who, flagtype flags);
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EX bool saved_tortoise_on(cell *c) {
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return
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(c->monst == moTortoise && c->item == itBabyTortoise &&
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!((tortoise::getb(c) ^ tortoise::babymap[c]) & tortoise::mask));
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}
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EX bool normal_gravity_at(cell *c) {
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return !in_gravity_zone(c);
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}
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EX int countMyGolems(eMonster m) {
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int g=0, dcs = isize(dcal);
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for(int i=0; i<dcs; i++) {
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cell *c = dcal[i];
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if(c->monst == m) g++;
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}
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return g;
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}
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EX int savePrincesses() {
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int g=0, dcs = isize(dcal);
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for(int i=0; i<dcs; i++) {
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cell *c = dcal[i];
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if(isPrincess(c->monst)) princess::save(c);
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}
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return g;
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}
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EX int countMyGolemsHP(eMonster m) {
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int g=0, dcs = isize(dcal);
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for(int i=0; i<dcs; i++) {
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cell *c = dcal[i];
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if(c->monst == m) g += c->hitpoints;
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}
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return g;
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}
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EX void restoreGolems(int qty, eMonster m, int hp IS(0)) {
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int dcs = isize(dcal);
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for(int i=1; qty && i<dcs; i++) {
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cell *c = dcal[i];
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if(m == moTameBomberbird ?
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(c->mpdist >= 3 && passable(c, NULL, P_FLYING)) :
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passable(c, NULL, 0)) {
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c->hitpoints = hp / qty;
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c->monst = m, qty--, hp -= c->hitpoints;
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if(m == moPrincess || m == moPrincessArmed)
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princess::newFakeInfo(c);
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}
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}
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}
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EX cellwalker recallCell;
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EX display_data recallDisplay;
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EX bool activateRecall() {
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if(!recallCell.at) {
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addMessage("Error: no recall");
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return false;
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}
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items[itOrbRecall] = 0; items[itOrbSafety] = 0;
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if(!makeEmpty(recallCell.at)) {
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addMessage(XLAT("Your Orb of Recall is blocked by something big!"));
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recallCell.at = NULL;
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return false;
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}
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killFriendlyIvy();
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movecost(cwt.at, recallCell.at, 3);
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playerMoveEffects(movei(cwt.at, recallCell.at, TELEPORT));
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mirror::destroyAll();
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sword::reset();
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cwt = recallCell;
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recallCell.at = NULL;
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flipplayer = true;
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centerover = recallDisplay.precise_center;
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View = recallDisplay.view_matrix;
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// local_perspective = recallDisplay.local_perspective;
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gmatrix = recallDisplay.cellmatrices;
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gmatrix0 = recallDisplay.old_cellmatrices;
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current_display->which_copy = recallDisplay.which_copy;
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makeEmpty(cwt.at);
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forCellEx(c2, cwt.at)
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if(c2->monst != moMutant)
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c2->stuntime = 4;
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if(shmup::on) shmup::recall();
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if(multi::players > 1) multi::recall();
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bfs();
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checkmove();
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drawSafety();
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addMessage(XLAT("You are recalled!"));
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return true;
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}
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EX void saveRecall(cellwalker cw2) {
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if(!recallCell.at) {
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changes.value_set(recallCell, cw2);
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changes.value_keep(recallDisplay);
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recallDisplay = *current_display;
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}
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}
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EX void teleportToLand(eLand l, bool make_it_safe) {
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if(recallCell.at && activateRecall())
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return;
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savePrincesses();
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int gg = countMyGolems(moGolem);
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int gb = countMyGolems(moTameBomberbird);
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int gp1 = countMyGolems(moPrincess);
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int gp2 = countMyGolems(moPrincessArmed);
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int gph1 = countMyGolemsHP(moPrincess);
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int gph2 = countMyGolemsHP(moPrincessArmed);
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drawSafety();
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addMessage(XLAT("You fall into a wormhole!"));
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eLand f = firstland;
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if(l == laTemple) l = laRlyeh;
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if(l == laClearing) l = laOvergrown;
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if(l == laWhirlpool) l = laOcean;
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if(l == laCrossroads5) l = laCrossroads2; // could not fit!
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if(l == laCamelot && !(tactic::on && specialland == laCamelot))
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l = laCrossroads;
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firstland = l;
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safetyland = l;
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safetyseed = hrandpos();
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clear_euland(firstland);
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safety = make_it_safe; avengers = 0;
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clearMemory();
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initcells();
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initgame();
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firstland = f;
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safety = false;
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restoreGolems(gg, moGolem);
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restoreGolems(gb, moTameBomberbird);
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restoreGolems(gp1, moPrincess, gph1);
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restoreGolems(gp2, moPrincessArmed, gph2);
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restartGraph();
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}
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EX void activateSafety(eLand l) {
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teleportToLand(l, true);
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}
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EX void placeGolem(cell *on, cell *moveto, eMonster m) {
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if(on->monst == moFriendlyIvy)
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killMonster(on, moPlayer);
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if(on->monst) {
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addMessage(XLAT("There is no room for %the1!", m));
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return;
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}
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if(passable(on, moveto, P_ISFRIEND | (m == moTameBomberbird ? P_FLYING : 0)))
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on->monst = m;
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else {
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on->monst = m;
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flagtype f = AF_CRUSH;
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if(isFire(on))
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addMessage(XLAT("%The1 burns!", m));
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else if(on->wall == waChasm)
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addMessage(XLAT("%The1 falls!", m)), f = AF_FALL;
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else if(isWatery(on) && isNonliving(m))
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addMessage(XLAT("%The1 sinks!", m)), f = AF_FALL;
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else if(isWatery(on))
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addMessage(XLAT("%The1 drowns!", m)), f = AF_FALL;
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else if(isWall(on))
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addMessage(XLAT("%The1 is crushed!", m));
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else if(m == moTameBomberbird && cwt.at->wall == waBoat)
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return;
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else
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addMessage(XLAT("%The1 is destroyed!", m));
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printf("mondir = %d\n", on->mondir);
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fallMonster(cwt.at, f);
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}
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}
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EX bool multiRevival(cell *on, cell *moveto) {
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int fl = 0;
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if(items[itOrbAether]) fl |= P_AETHER;
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if(items[itOrbFish]) fl |= P_FISH;
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if(items[itOrbWinter]) fl |= P_WINTER;
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if(passable(on, moveto, fl)) {
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int id = multi::revive_queue[0];
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for(int i=1; i<isize(multi::revive_queue); i++)
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multi::revive_queue[i-1] = multi::revive_queue[i];
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multi::revive_queue.pop_back();
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multi::player[id].at = on;
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multi::player[id].spin = neighborId(moveto, on);
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if(multi::player[id].spin < 0) multi::player[id].spin = 0;
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multi::flipped[id] = true;
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multi::whereto[id].d = MD_UNDECIDED;
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sword::reset();
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return true;
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}
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return false;
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}
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EX eMonster passive_switch = moSwitch2;
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EX void checkSwitch() {
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passive_switch = (gold() & 1) ? moSwitch1 : moSwitch2;
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}
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EX void pushThumper(const movei& mi) {
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auto &cto = mi.t;
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auto &th = mi.s;
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eWall w = th->wall;
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if(th->land == laAlchemist)
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th->wall = isAlch(cwt.at) ? cwt.at->wall : cto->wall;
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else th->wall = waNone;
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int explode = 0;
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if(cto->wall == waArrowTrap && w == waExplosiveBarrel ) explode = max<int>(cto->wparam, 1);
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if(cto->wall == waFireTrap) {
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if(w == waExplosiveBarrel)
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explode = max<int>(cto->wparam, 1);
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if(w == waThumperOn)
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explode = 2;
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}
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destroyTrapsOn(cto);
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if(cto->wall == waOpenPlate || cto->wall == waClosePlate) {
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toggleGates(cto, cto->wall);
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addMessage(XLAT("%The1 destroys %the2!", w, cto->wall));
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}
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if(cellUnstable(cto) && cto->land == laMotion) {
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addMessage(XLAT("%The1 falls!", w));
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doesFallSound(cto);
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}
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else if(cellUnstableOrChasm(cto)) {
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addMessage(XLAT("%The1 fills the hole!", w));
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cto->wall = w == waThumperOn ? waTempFloor : waNone;
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cto->wparam = th->wparam;
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playSound(cto, "click");
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}
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else if(isWatery(cto)) {
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addMessage(XLAT("%The1 fills the hole!", w));
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cto->wall = w == waThumperOn ? waTempBridge : waShallow;
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cto->wparam = th->wparam;
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playSound(cto, "splash"+pick12());
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}
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else if(cto->wall == waShallow) {
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addMessage(XLAT("%The1 fills the hole!", w));
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cto->wall = waNone;
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playSound(cto, "splash"+pick12());
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}
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else
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cto->wall = w;
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if(explode) cto->wall = waFireTrap, cto->wparam = explode;
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if(cto->wall == waThumperOn)
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cto->wparam = th->wparam;
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}
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EX bool canPushThumperOn(cell *tgt, cell *thumper, cell *player) {
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if(tgt->wall == waBoat || tgt->wall == waStrandedBoat) return false;
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if(isReptile(tgt->wall)) return false;
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if(isWatery(tgt) && !tgt->monst)
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return true;
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if(tgt->wall == waChasm && !tgt->monst)
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return true;
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return
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passable(tgt, thumper, P_MIRROR) &&
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passable(tgt, player, P_MIRROR) &&
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!tgt->item;
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}
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EX void activateActiv(cell *c, bool msg) {
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if(msg) addMessage(XLAT("You activate %the1.", c->wall));
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if(c->wall == waThumperOff) {
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playSound(c, "click");
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c->wall = waThumperOn;
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}
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if(c->wall == waBonfireOff) {
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playSound(c, "fire");
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c->wall = waFire;
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}
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c->wparam = 100;
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}
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/* bool isPsiTarget(cell *dst) {
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return
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dst->cpdist > 1 &&
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dst->monst &&
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!(isWorm(dst) || dst->monst == moShadow);
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} */
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EX void fixWormBug(cell *c) {
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if(history::includeHistory) return;
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printf("worm bug!\n");
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if(c->monst == moWormtail) c->monst = moWormwait;
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if(c->monst == moTentacletail || c->monst == moTentacleGhost) c->monst = moTentacle;
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if(c->monst == moHexSnakeTail) c->monst = moHexSnake;
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}
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EX bool isWormhead(eMonster m) {
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return among(m,
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moTentacle, moWorm, moHexSnake, moWormwait, moTentacleEscaping,
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moTentaclewait, moDragonHead);
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}
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EX cell *worm_tohead(cell *c) {
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for(int i=0; i<c->type; i++)
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if(c->move(i) && isWorm(c->move(i)->monst) && c->move(i)->mondir == c->c.spin(i))
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return c->move(i);
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return nullptr;
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}
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EX cell *wormhead(cell *c) {
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// cell *cor = c;
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int cnt = 0;
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while(cnt < iteration_limit) {
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if(isWormhead(c->monst))
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return c;
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cell *c1 = worm_tohead(c);
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if(!c1) break;
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c = c1;
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cnt++;
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}
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fixWormBug(c);
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return c;
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}
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/** \brief currently works for worms only */
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EX bool sameMonster(cell *c1, cell *c2) {
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if(!c1 || !c2) return false;
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if(c1 == c2) return true;
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if(isWorm(c1->monst) && isWorm(c2->monst))
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return wormhead(c1) == wormhead(c2);
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if(isKraken(c1->monst) && isKraken(c2->monst))
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return kraken::head(c1) == kraken::head(c2);
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return false;
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}
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EX eMonster haveMount() {
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for(int i=0; i<numplayers(); i++) if(multi::playerActive(i)) {
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eMonster m = playerpos(i)->monst;
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if(m) return m;
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}
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return moNone;
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}
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EX eMonster otherpole(eMonster m) {
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return eMonster(m ^ moNorthPole ^ moSouthPole);
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}
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}
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