mirror of
https://github.com/zenorogue/hyperrogue.git
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195 lines
5.3 KiB
C++
195 lines
5.3 KiB
C++
// Hyperbolic Rogue
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// Copyright (C) 2011-2019 Zeno Rogue
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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/** \file crossbow.cpp
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* \brief implementation of the crossbow mode
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*/
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#include "hyper.h"
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namespace hr {
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EX namespace bow {
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#if HDR
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enum eWeapon { wBlade, wCrossbow };
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enum eCrossbowStyle { cbBull, cbGeodesic };
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#endif
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EX eWeapon weapon;
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EX eCrossbowStyle style;
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EX bool bump_to_shoot = true;
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EX bool crossbow_mode() { return weapon == wCrossbow; }
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#if HDR
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struct bowpoint {
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int total;
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movei last, next, lastun;
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cell *con;
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bowpoint() : last(nullptr), next(nullptr), lastun(nullptr) { total = 0; }
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};
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#endif
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EX vector<bowpoint> bowpath;
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EX vector<bowpoint> last_bowpath;
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EX map<int, cell*> target_at;
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EX int loading_time() {
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return style == cbBull ? 3 : 4;
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}
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EX bool blocks(cell *c) {
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if(isWall(c) && c->wall != waMirrorWall) return true;
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return false;
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}
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EX int create_path() {
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map<cell*, bowpoint> scores;
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scores[cwt.at] = bowpoint();
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scores[cwt.at].last = movei(cwt.at, STAY);
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int best_score = -1; cell* best_score_at = cwt.at;
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for(cell *c: dcal) {
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cell *c1 = target_at[c->cpdist];
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if(c1 && c != c1) continue;
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if(c == c1) { best_score = -1; }
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bowpoint best;
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best.total = -1;
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forCellIdEx(c1, i, c) if(c1->cpdist < c->cpdist && scores.count(c1)) {
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auto last = scores[c1];
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int ntotal = last.total;
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auto cw2 = cellwalker(c, i);
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if(inmirror(c)) cw2 = mirror::reflect(cw2);
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if(blocks(cw2.peek())) continue;
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if(cw2.at->monst) { ntotal += 10000; ntotal += 1280 >> c->cpdist; }
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ntotal += 2;
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if(c->cpdist > 1) {
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int d = abs(szgmod(last.lastun.d - c->c.spin(i), c1->type));
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if(d != c1->type / 2) {
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if(style == cbGeodesic) ntotal--;
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if(style == cbBull) continue;
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}
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}
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if(ntotal > best.total) { best.total = ntotal; best.lastun = movei(c, i); best.last = movei(cw2.at, cw2.spin); best.con = c1; best.next = movei(cw2.at, STAY); }
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best.total = max(best.total, ntotal);
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}
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if(best.total > best_score) { best_score = best.total; best_score_at = c; }
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if(best.total > -1) scores[c] = best;
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}
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bowpath.clear();
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if(best_score == -1) return best_score;
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while(best_score_at != cwt.at) {
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bowpath.push_back(scores[best_score_at]); best_score_at = bowpath.back().con; scores[best_score_at].next = bowpath.back().last.rev();
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}
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bowpath.push_back(scores[best_score_at]);
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reverse(bowpath.begin(), bowpath.end());
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return best_score;
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}
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EX bool auto_path() {
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target_at = {};
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target_at[1] = cwt.cpeek();
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return create_path() >= 10000;
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}
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EX bool fire_mode;
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EX void switch_fire_mode() {
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if(!crossbow_mode()) { addMessage(XLAT("You fire an angry glance at your enemies.")); return; }
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if(items[itCrossbow]) { addMessage(XLAT("You need more time to reload your crossbow!")); return; }
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if(!fire_mode) {
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addMessage(XLAT("Double-click tile to fire."));
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fire_mode = true;
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last_bowpath = {};
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targets = {};
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}
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else if(fire_mode) {
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addMessage(XLAT("Firing cancelled."));
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fire_mode = false;
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last_bowpath = {};
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}
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}
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EX void add_fire(cell *c) {
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bool emp = target_at.empty();
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auto& t = target_at[c->cpdist];
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if(t == c) {
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println(hlog, "done");
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bow::last_bowpath.clear();
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checked_move_issue = miVALID;
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pcmove pcm;
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pcm.checkonly = false;
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changes.init(false);
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bool b = pcm.try_shooting(false);
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println(hlog, "b = ", b);
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if(!b) changes.rollback();
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fire_mode = false;
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}
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else {
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t = c;
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int res = create_path();
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if(res == -1) {
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if(!emp) {
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target_at = {};
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add_fire(c);
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}
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else addMessage(XLAT("No way to hit this place."));
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}
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bow::last_bowpath = bow::bowpath;
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}
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}
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EX void shoot() {
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flagtype attackflags = AF_NORMAL;
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if(items[itOrbSpeed]&1) attackflags |= AF_FAST;
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if(items[itOrbSlaying]) attackflags |= AF_CRUSH;
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if(items[itCurseWeakness]) attackflags |= AF_WEAK;
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for(auto& m: bowpath) {
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cell *c = m.next.s;
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if(!c) continue;
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changes.ccell(c);
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if(c->monst) attackMonster(c, attackflags | AF_MSG, moPlayer);
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}
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last_bowpath = bowpath;
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}
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EX void showMenu() {
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cmode = sm::SIDE | sm::MAYDARK;
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gamescreen();
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dialog::init(XLAT("weapon selection"));
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add_edit(weapon);
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if(crossbow_mode()) {
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add_edit(style);
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add_edit(bump_to_shoot);
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}
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else dialog::addBreak(200);
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dialog::addBack();
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dialog::display();
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}
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EX }
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}
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