232 lines
8.1 KiB
JavaScript
232 lines
8.1 KiB
JavaScript
const CanvasController = require("./CanvasController");
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const Organism = require('../Organism/Organism');
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const Modes = require("./ControlModes");
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const CellStates = require("../Organism/Cell/CellStates");
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const Neighbors = require("../Grid/Neighbors");
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const FossilRecord = require("../Stats/FossilRecord");
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const WorldConfig = require("../WorldConfig");
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const Perlin = require("../Utils/Perlin");
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class EnvironmentController extends CanvasController{
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constructor(env, canvas) {
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super(env, canvas);
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this.mode = Modes.FoodDrop;
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this.org_to_clone = null;
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this.defineZoomControls();
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this.scale = 1;
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}
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defineZoomControls() {
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var scale = 1;
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var zoom_speed = 0.5;
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const el = document.querySelector('#env-canvas');
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el.onwheel = function zoom(event) {
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event.preventDefault();
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var sign = -Math.sign(event.deltaY);
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// Restrict scale
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scale = Math.max(0.5, this.scale+(sign*zoom_speed));
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var cur_top = parseInt($('#env-canvas').css('top'));
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var cur_left = parseInt($('#env-canvas').css('left'));
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var diff_x = (this.canvas.width/2 - this.mouse_x) * (scale - this.scale);
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var diff_y = (this.canvas.height/2 - this.mouse_y) * (scale - this.scale);
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$('#env-canvas').css('top', (cur_top+diff_y)+'px');
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$('#env-canvas').css('left', (cur_left+diff_x)+'px');
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// Apply scale transform
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el.style.transform = `scale(${scale})`;
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this.scale = scale;
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}.bind(this);
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}
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resetView() {
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$('#env-canvas').css('transform', 'scale(1)');
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$('#env-canvas').css('top', '0px');
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$('#env-canvas').css('left', '0px');
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this.scale = 1;
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}
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/*
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Iterate over grid from 0,0 to env.num_cols,env.num_rows and create random walls using perlin noise to create a more organic shape.
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*/
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randomizeWalls(thickness=1) {
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this.env.clearWalls();
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const noise_threshold = -0.017;
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let avg_noise = 0;
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let resolution = 20;
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Perlin.seed();
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for (let r = 0; r < this.env.num_rows; r++) {
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for (let c = 0; c < this.env.num_cols; c++) {
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let xval = c/this.env.num_cols*(resolution/this.env.renderer.cell_size*(this.env.num_cols/this.env.num_rows));
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let yval = r/this.env.num_rows*(resolution/this.env.renderer.cell_size*(this.env.num_rows/this.env.num_cols));
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let noise = Perlin.get(xval, yval);
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avg_noise += noise/(this.env.num_rows*this.env.num_cols);
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if (noise > noise_threshold && noise < noise_threshold + thickness/resolution) {
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let cell = this.env.grid_map.cellAt(c, r);
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if (cell != null) {
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if(cell.owner != null) cell.owner.die();
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this.env.changeCell(c, r, CellStates.wall, null);
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}
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}
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}
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}
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}
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updateMouseLocation(offsetX, offsetY){
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super.updateMouseLocation(offsetX, offsetY);
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}
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mouseMove() {
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this.performModeAction();
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}
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mouseDown() {
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this.start_x = this.mouse_x;
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this.start_y = this.mouse_y;
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this.performModeAction();
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}
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mouseUp() {
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}
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performModeAction() {
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if (WorldConfig.headless && this.mode != Modes.Drag)
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return;
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var mode = this.mode;
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var right_click = this.right_click;
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var left_click = this.left_click;
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if (mode != Modes.None && (right_click || left_click)) {
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var cell = this.cur_cell;
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if (cell == null){
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return;
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}
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switch(mode) {
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case Modes.FoodDrop:
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if (left_click){
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this.dropCellType(cell.col, cell.row, CellStates.food, false);
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}
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else if (right_click){
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this.dropCellType(cell.col, cell.row, CellStates.empty, false);
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}
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break;
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case Modes.WallDrop:
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if (left_click){
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this.dropCellType(cell.col, cell.row, CellStates.wall, true);
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}
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else if (right_click){
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this.dropCellType(cell.col, cell.row, CellStates.empty, false);
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}
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break;
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case Modes.ClickKill:
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this.killNearOrganisms();
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break;
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case Modes.Select:
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if (this.cur_org == null) {
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this.cur_org = this.findNearOrganism();
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}
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if (this.cur_org != null){
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this.control_panel.setEditorOrganism(this.cur_org);
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}
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break;
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case Modes.Clone:
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if (this.org_to_clone != null){
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this.dropOrganism(this.org_to_clone, this.mouse_c, this.mouse_r);
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}
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break;
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case Modes.Drag:
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var cur_top = parseInt($('#env-canvas').css('top'), 10);
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var cur_left = parseInt($('#env-canvas').css('left'), 10);
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var new_top = cur_top + ((this.mouse_y - this.start_y)*this.scale);
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var new_left = cur_left + ((this.mouse_x - this.start_x)*this.scale);
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$('#env-canvas').css('top', new_top+'px');
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$('#env-canvas').css('left', new_left+'px');
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break;
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}
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}
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else if (this.middle_click) {
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//drag on middle click
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var cur_top = parseInt($('#env-canvas').css('top'), 10);
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var cur_left = parseInt($('#env-canvas').css('left'), 10);
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var new_top = cur_top + ((this.mouse_y - this.start_y)*this.scale);
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var new_left = cur_left + ((this.mouse_x - this.start_x)*this.scale);
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$('#env-canvas').css('top', new_top+'px');
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$('#env-canvas').css('left', new_left+'px');
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}
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}
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dropOrganism(organism, col, row) {
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// close the organism and drop it in the world
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var new_org = new Organism(col, row, this.env, organism);
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if (new_org.isClear(col, row)) {
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let new_species = !FossilRecord.speciesIsExtant(new_org.species.name);
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if (new_org.species.extinct) {
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FossilRecord.resurrect(new_org.species);
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}
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else if (new_species) {
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FossilRecord.addSpeciesObj(new_org.species);
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new_org.species.start_tick = this.env.total_ticks;
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new_org.species.population = 0;
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}
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this.env.addOrganism(new_org);
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new_org.species.addPop();
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return true;
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}
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return false;
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}
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dropCellType(col, row, state, killBlocking=false) {
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for (var loc of Neighbors.allSelf){
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var c=col + loc[0];
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var r=row + loc[1];
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var cell = this.env.grid_map.cellAt(c, r);
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if (cell == null)
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continue;
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if (killBlocking && cell.owner != null){
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cell.owner.die();
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}
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else if (cell.owner != null) {
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continue;
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}
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this.env.changeCell(c, r, state, null);
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}
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}
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findNearOrganism() {
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for (var loc of Neighbors.all){
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var c = this.cur_cell.col + loc[0];
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var r = this.cur_cell.row + loc[1];
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var cell = this.env.grid_map.cellAt(c, r);
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if (cell != null && cell.owner != null)
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return cell.owner;
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}
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return null;
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}
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killNearOrganisms() {
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for (var loc of Neighbors.allSelf){
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var c = this.cur_cell.col + loc[0];
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var r = this.cur_cell.row + loc[1];
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var cell = this.env.grid_map.cellAt(c, r);
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if (cell != null && cell.owner != null)
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cell.owner.die();
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}
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}
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}
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module.exports = EnvironmentController;
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