mirror of
https://github.com/zenorogue/hyperrogue.git
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358 lines
10 KiB
C++
358 lines
10 KiB
C++
// Hyperbolic Rogue - checkmate rule
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// Copyright (C) 2011-2019 Zeno Rogue, see 'hyper.cpp' for details
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/** \file checkmove.cpp
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* \brief Check the validity of move (checkmate rule)
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*/
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#include "hyper.h"
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namespace hr {
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#if HDR
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#define PUREHARDCORE_LEVEL 10
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#endif
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/** are we in the hardcore mode */
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EX bool hardcore = false;
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/** when did we switch to the hardcore mode */
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EX int hardcoreAt;
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/** are we in the casual mode */
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EX bool casual = false;
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EX bool pureHardcore() { return hardcore && hardcoreAt < PUREHARDCORE_LEVEL; }
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/** can we still move? */
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EX bool canmove = true;
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// how many monsters are near
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EX eMonster who_kills_me;
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EX int lastkills;
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EX vector<bool> legalmoves;
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/* why is a move illegal */
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EX vector<int> move_issues;
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#if HDR
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static constexpr int miVALID = 10000;
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static constexpr int miENTITY = 11000;
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static constexpr int miRESTRICTED = 10100;
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static constexpr int miTHREAT = 10010;
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static constexpr int miWALL = 10001;
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#endif
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EX int checked_move_issue;
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EX int yasc_code;
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EX void check_if_monster() {
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eMonster m = cwt.peek()->monst;
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if(m && m != passive_switch && !isFriendly(m))
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checked_move_issue = miENTITY;
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}
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EX bool hasSafeOrb(cell *c) {
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return
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c->item == itOrbSafety ||
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c->item == itOrbShield ||
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c->item == itOrbShell ||
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(c->item == itOrbYendor && yendor::state(c) == yendor::ysUnlocked);
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}
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#if HDR
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struct player_move_info {
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movei mi;
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cell *swordlast[2], *swordtransit[2], *swordnext[2];
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player_move_info(movei mi);
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};
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#endif
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EX vector<player_move_info> pmi;
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EX vector<cell*> pushes;
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player_move_info::player_move_info(movei _mi) : mi(_mi) {
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for(int b=0; b<2; b++) swordlast[b] = sword::pos(multi::cpid, b);
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dynamicval<sword::sworddir> x7(sword::dir[multi::cpid], sword::shift(mi, sword::dir[multi::cpid]));
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for(int b=0; b<2; b++) {
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swordnext[b] = sword::pos(multi::cpid, b);
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swordtransit[b] = NULL;
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if(swordnext[b] && swordnext[b] != swordlast[b] && !isNeighbor(swordlast[b], swordnext[b])) {
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forCellEx(c2, swordnext[b])
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if(c2 != mi.t && c2 != mi.s && isNeighbor(c2, S3==3 ? swordlast[b] : mi.t))
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swordtransit[b] = c2;
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if(S3 == 4)
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forCellEx(c2, mi.s)
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if(c2 != mi.s && isNeighbor(c2, swordlast[b]))
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swordtransit[b] = c2;
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}
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}
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}
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EX bool krakensafe(cell *c) {
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return items[itOrbFish] || items[itOrbAether] ||
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(c->item == itOrbFish && c->wall == waBoat) ||
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(c->item == itOrbAether && c->wall == waBoat);
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}
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EX bool monstersnear(cell *c, eMonster who) {
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bool eaten = false;
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if(hardcore && who == moPlayer) return false;
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int res = 0;
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bool fast = false;
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bool kraken_will_destroy_boat = false;
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elec::builder b;
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if(elec::affected(c)) { who_kills_me = moLightningBolt; res++; }
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if(c->wall == waArrowTrap && c->wparam == 2) {
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who_kills_me = moArrowTrap; res++;
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}
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for(auto c1: crush_now) if(c == c1) {
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who_kills_me = moCrusher; res++;
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}
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if(who == moPlayer || items[itOrbEmpathy]) {
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fast = (items[itOrbSpeed] && (items[itOrbSpeed] & 1));
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if(who == moPlayer && !isPlayerOn(c) && c->item == itOrbSpeed && !items[itOrbSpeed]) fast = true;
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}
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if(havewhat&HF_OUTLAW) {
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for(cell *c1: gun_targets(c))
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if(c1->monst == moOutlaw && !c1->stuntime) {
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res++; who_kills_me = moOutlaw;
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}
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}
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for(int t=0; t<c->type; t++) {
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cell *c2 = c->move(t);
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// consider monsters who attack from distance 2
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if(c2) forCellEx(c3, c2) if(c3 != c) {
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// only these monsters can attack from two spots...
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if(!among(c3->monst, moLancer, moWitchSpeed, moWitchFlash))
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continue;
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if(c3->monst == moWitchSpeed && cwt.at->land != laPower)
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continue;
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// take logical_adjacent into account
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if(c3->monst != moWitchFlash)
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if(!logical_adjacent(c3, c3->monst, c2) || !logical_adjacent(c2, c3->monst, c) || (c3->monst == moWitchSpeed && c2->land != laPower))
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continue;
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if(elec::affected(c3)) continue;
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if(c3->stuntime > (who == moPlayer ? 0 : 1)) continue;
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// speedwitches can only attack not-fastened monsters,
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// others can only attack if the move is not fastened
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if(c3->monst == moWitchSpeed && items[itOrbSpeed]) continue;
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if(c3->monst != moWitchSpeed && fast) continue;
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// cannot attack if the immediate cell is impassable (except flashwitches)
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if(c3->monst != moWitchFlash) {
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if(!passable(c2, c3, 0)) continue;
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if(isPlayerOn(c2) && items[itOrbFire]) continue;
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}
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// flashwitches cannot attack if it would kill another enemy
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if(c3->monst == moWitchFlash && flashWouldKill(c3, 0)) continue;
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res++, who_kills_me = c3->monst;
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}
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// consider normal monsters
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if(c2 &&
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isArmedEnemy(c2, who) &&
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(c2->monst != moLancer || isUnarmed(who) || !logical_adjacent(c, who, c2))) {
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eMonster m = c2->monst;
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if(elec::affected(c2)) continue;
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if(fast && c2->monst != moWitchSpeed) continue;
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// Krakens just destroy boats
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if(who == moPlayer && c2->monst == moKrakenT && c->wall == waBoat && !peace::on) {
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kraken_will_destroy_boat = true;
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continue;
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}
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// they cannot attack through vines
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if(!canAttack(c2, c2->monst, c, who, AF_NEXTTURN)) continue;
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if(c2->monst == moWorm || c2->monst == moTentacle || c2->monst == moHexSnake) {
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if(passable_for(c2->monst, c, c2, 0))
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eaten = true;
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else if(c2->monst != moHexSnake) continue;
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}
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res++, who_kills_me = m;
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}
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}
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if(kraken_will_destroy_boat && !krakensafe(c) && warningprotection(XLAT("This move appears dangerous -- are you sure?"))) {
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if (res == 0) who_kills_me = moWarning;
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res++;
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} else {
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if(who == moPlayer && res && (markOrb2(itOrbShield) || markOrb2(itOrbShell)) && !eaten)
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res = 0;
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if(who == moPlayer && res && markOrb2(itOrbDomination) && c->monst)
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res = 0;
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}
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return !!res;
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}
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EX bool monstersnear_aux() {
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changes.value_set(passive_switch, (gold() & 1) ? moSwitch1 : moSwitch2);
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multi::cpid++;
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bool b = false;
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if(multi::cpid == multi::players || multi::players == 1 || multi::checkonly) {
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if(shmup::delayed_safety) return false;
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for(int i=0; i<isize(pmi); i++)
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for(int j=0; j<isize(pmi); j++) if(i != j) {
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if(swordConflict(pmi[i], pmi[j])) {
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b = true;
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who_kills_me = moEnergySword;
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}
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if(pmi[i].mi.t == pmi[j].mi.t)
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{ b = true; who_kills_me = moFireball; }
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if(celldistance(pmi[i].mi.t, pmi[j].mi.t) > 8)
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{ b = true; who_kills_me = moAirball; }
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}
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for(auto& pushto: pushes)
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for(auto& mi: pmi)
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if(pushto == mi.mi.t) {
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b = true; who_kills_me = moTongue;
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}
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for(int i=0; i<isize(pushes); i++)
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for(int j=0; j<i; j++)
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if(pushes[i] == pushes[j]) {
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b = true; who_kills_me = moCrushball;
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}
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for(int i=0; !b && i<isize(pmi); i++)
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b = monstersnear(pmi[i].mi.t, moPlayer);
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}
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else b = !multimove();
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multi::cpid--;
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return b;
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}
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/** like monstersnear but add the potential moves of other players into account */
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EX bool monstersnear_add_pmi(player_move_info pmi0) {
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if(suicidal) {
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who_kills_me = moPlayer;
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return true;
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}
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pmi.push_back(pmi0);
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bool b = monstersnear_aux();
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pmi.pop_back();
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return b;
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}
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EX bool multimove() {
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if(multi::cpid == 0) lastkills = tkills();
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if(!multi::playerActive(multi::cpid)) return !monstersnear_aux();
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cellwalker bcwt = cwt;
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cwt = multi::player[multi::cpid];
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bool b = movepcto(multi::whereto[multi::cpid]);
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if(b) {
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multi::aftermove = true;
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multi::player[multi::cpid] = cwt;
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multi::whereto[multi::cpid].d = MD_UNDECIDED;
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int curkills = tkills();
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multi::kills[multi::cpid] += (curkills - lastkills);
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lastkills = curkills;
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}
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cwt = bcwt;
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return b;
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}
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EX namespace multi {
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EX bool checkonly = false;
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EX bool aftermove;
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EX }
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EX bool swordConflict(const player_move_info& sm1, const player_move_info& sm2) {
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if(items[itOrbSword] || items[itOrbSword2])
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for(int b=0; b<2; b++)
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if(sm1.mi.s == sm2.swordlast[b] || sm1.mi.s == sm2.swordtransit[b] || sm1.mi.s == sm2.swordnext[b])
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if(sm1.mi.t == sm2.swordlast[b] || sm1.mi.t == sm2.swordtransit[b] || sm1.mi.t == sm2.swordnext[b])
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return true;
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return false;
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}
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EX void checkmove() {
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if(dual::state == 2) return;
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if(shmup::on) return;
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dynamicval<eGravity> gs(gravity_state, gravity_state);
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#if CAP_INV
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if(inv::on) inv::compute();
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#endif
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if(multi::players > 1 && !multi::checkonly) return;
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if(hardcore) return;
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legalmoves.clear(); legalmoves.resize(cwt.at->type+1, false);
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move_issues.clear(); move_issues.resize(cwt.at->type, 0);
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canmove = haveRangedTarget();
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items[itWarning]+=2;
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if(movepcto(-1, 0, true))
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canmove = legalmoves[cwt.at->type] = true;
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if(true) {
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for(int i=0; i<cwt.at->type; i++) {
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if(movepcto(1, -1, true)) {
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canmove = legalmoves[cwt.spin] = true;
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}
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check_if_monster();
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move_issues[cwt.spin] = checked_move_issue;
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if(!legalmoves[cwt.spin]) {
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if(movepcto(0, 1, true)) {
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canmove = legalmoves[cwt.spin] = true;
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}
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check_if_monster();
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move_issues[cwt.spin] = checked_move_issue;
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}
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}
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}
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if(kills[moPlayer]) canmove = false;
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yasc_code = 0;
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for(int i=0; i<cwt.at->type; i++)
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yasc_code += move_issues[i];
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#if CAP_INV
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if(inv::on && !canmove && !inv::incheck) {
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if(inv::remaining[itOrbSafety] || inv::remaining[itOrbFreedom])
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canmove = true;
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else {
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inv::check(1);
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checkmove();
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inv::check(-1);
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}
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if(canmove)
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pushScreen(inv::show);
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}
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#endif
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if(!canmove && bow::crossbow_mode() && !items[itCrossbow]) canmove = bow::have_bow_target();
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if(!canmove) {
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achievement_final(true);
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if(cmode & sm::NORMAL) showMissionScreen();
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}
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if(canmove && timerstopped) {
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timerstart = time(NULL);
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timerstopped = false;
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}
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items[itWarning]-=2;
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if(recallCell.at && !markOrb(itOrbRecall)) activateRecall();
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}
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} |