146 lines
4.7 KiB
JavaScript
146 lines
4.7 KiB
JavaScript
/*
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* ===========================================================================
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*
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* Wolf3D Browser Version GPL Source Code
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* Copyright (C) 2012 id Software LLC, a ZeniMax Media company.
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*
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* This file is part of the Wolf3D Browser Version GPL Source Code ("Wolf3D Browser Source Code").
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*
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* Wolf3D Browser Source Code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* Wolf3D Browser Source Code 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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*
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* You should have received a copy of the GNU General Public License version 2
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* along with Wolf3D Browser Source Code. If not, see <http://www.gnu.org/licenses/>.
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*
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* If you have questions concerning this license, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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*
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* ===========================================================================
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*/
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/**
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* @namespace
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* @description Push wall management
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*/
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Wolf.PushWall = (function() {
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var PWall = {};
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reset();
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function reset() {
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PWall.active = false;
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PWall.tilesMoved = 0;
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PWall.pointsMoved = 0;
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PWall.dir = 0;
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PWall.x = 0;
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PWall.y = 0;
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PWall.dx = 0;
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PWall.dy = 0;
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PWall.texX = 0;
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PWall.texY = 0;
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}
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function push(level, x, y, dir) {
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var dx, dy;
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if (PWall.active) {
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return false; // another PWall is moving [only one at a time!]
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}
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dx = Wolf.Math.dx4dir[dir];
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dy = Wolf.Math.dy4dir[dir];
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if (level.tileMap[x + dx][y + dy] & (Wolf.SOLID_TILE | Wolf.DOOR_TILE)) {
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// noway (smth is blocking)
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return true;
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}
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// remove secret flag & make everything needed when pushwall used!
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level.tileMap[x][y] &= (~Wolf.SECRET_TILE);
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level.tileMap[x][y] &= (~Wolf.WALL_TILE);
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level.tileMap[x][y] |= Wolf.PUSHWALL_TILE;
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if (++level.state.foundSecrets == level.state.totalSecrets) {
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Wolf.Game.notify("You found the last secret!");
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} else {
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Wolf.Game.notify("You found a secret!");
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}
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Wolf.Sound.startSound(null, null, 1, Wolf.CHAN_AUTO, "sfx/034.wav", 1, Wolf.ATTN_STATIC, 0);
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// good way to avoid stuckness; [un]comment one more down!
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// it makes a tile behind pushwall unpassable
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level.tileMap[x + dx][y + dy] |= Wolf.PUSHWALL_TILE;
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level.wallTexX[x + dx][y + dy] = level.wallTexX[x][y];
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level.wallTexY[x + dx][y + dy] = level.wallTexY[x][y];
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// write down PWall info
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PWall.active = true;
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PWall.tilesMoved = PWall.pointsMoved = 0;
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PWall.dir = dir;
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PWall.x = x;
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PWall.y = y;
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PWall.dx = dx;
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PWall.dy = dy;
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PWall.texX = level.wallTexX[x][y];
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PWall.texY = level.wallTexY[x][y];
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return true;
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}
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function process(level, tics) {
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if (!PWall.active) {
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return; // no active PWall to work with
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}
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PWall.pointsMoved += tics;
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if (PWall.pointsMoved < 128) {
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return;
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}
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PWall.pointsMoved -= 128;
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PWall.tilesMoved++;
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// Free tile
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level.tileMap[PWall.x][PWall.y] &= (~Wolf.PUSHWALL_TILE);
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// Occupy new tile
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PWall.x += PWall.dx;
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PWall.y += PWall.dy;
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// Shall we move further?
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if (level.tileMap[PWall.x + PWall.dx][PWall.y + PWall.dy] & (Wolf.SOLID_TILE | Wolf.DOOR_TILE | Wolf.ACTOR_TILE | Wolf.POWERUP_TILE) || PWall.tilesMoved == 3) {
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level.tileMap[PWall.x][PWall.y] &= (~Wolf.PUSHWALL_TILE); // wall now
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level.tileMap[PWall.x][PWall.y] |= Wolf.WALL_TILE; // wall now
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level.wallTexX[PWall.x][PWall.y] = PWall.texX;
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level.wallTexY[PWall.x][PWall.y] = PWall.texY;
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PWall.active = false; // Free Push Wall
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} else {
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level.tileMap[PWall.x + PWall.dx][PWall.y + PWall.dy] |= Wolf.PUSHWALL_TILE;
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// Not sure if this is right but it fixed an issue with the pushwall texture changing mid-slide.
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level.wallTexX[PWall.x + PWall.dx][PWall.y + PWall.dy] = PWall.texX;
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level.wallTexY[PWall.x + PWall.dx][PWall.y + PWall.dy] = PWall.texY;
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}
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}
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function get() {
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return PWall;
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}
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return {
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reset : reset,
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process : process,
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push : push,
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get : get
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};
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})();
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