gamemap.js

const FloodFill = require('./floodfill.js');

module.exports = function(mapSize, tileSize, innerTileSize, trailTileSize) {
	this.map = [];
	this.updateTiles = [];
	this.mapSize = mapSize;
	this.tileSize = tileSize;
	this.innerTileSize = innerTileSize;
	this.trailTileSize = trailTileSize;

	this.setCellData = function(x, y, id, color, type) {
		while (this.map == null) {

		}
		this.map[x][y] = {
			x: x,
			y: y,
			id: id,
			color: color,
			type: type
		};
		this.updateTiles.push(this.map[x][y]);
	};

	this.clearPlayerLand = function(id) {
		for (var i = 0; i < this.mapSize; i++) {
			for (var j = 0; j < this.mapSize; j++) {
				if (this.map[i][j].id == id) {
					this.setCellData(i, j, 0, "#3a4f56", "land");
				}
			}
		}
	};

	this.addPlayerLand = function(player) {
		for (var i = -1; i < 2; i++) {
			for (var j = -1; j < 2; j++) {
				this.setCellData(player.x + i, player.y + j, player.id, player.color, "land");
			}
		}
	};

	this.floodFill = function(player) {
		var tempArray = [];

		var tempMinX = this.getMinMaxPlayerCoords(player.id).minX;
		tempMinX -= 1;
		var tempMaxX = this.getMinMaxPlayerCoords(player.id).maxX;
		tempMaxX += 1;
		var tempMinY = this.getMinMaxPlayerCoords(player.id).minY;
		tempMinY -= 1;
		var tempMaxY = this.getMinMaxPlayerCoords(player.id).maxY;
		tempMaxY += 1;
		for (var k = tempMinX; k <= tempMaxX; k++) {
			for (var l = tempMinY; l <= tempMaxY; l++) {
				if (k > tempMinX && k < tempMaxX && l > tempMinY && l < tempMaxY) {
					tempArray.push(this.map[k][l]);
				} else {
					tempArray.push({ //add blank layer
						x: k,
						y: l,
						id: 0,
						color: "#3a4f56",
						type: "land"
					});
				}
			}
		}
		var tempFloodFill = new FloodFill(tempArray, tempMinX, tempMaxX, tempMinY, tempMaxY, player.id);

		for (var j = 0; j < tempFloodFill.length; j++) {
			if (tempFloodFill[j].x < 0 || tempFloodFill[j].x >= mapSize || tempFloodFill[j].y < 0 || tempFloodFill[j].y >= mapSize) {
				continue;
			}
			if (tempFloodFill[j].id == player.id) {
				this.setCellData(tempFloodFill[j].x, tempFloodFill[j].y, tempFloodFill[j].id, player.color, "land");
			} else {
				this.setCellData(tempFloodFill[j].x, tempFloodFill[j].y, tempFloodFill[j].id, tempFloodFill[j].color, "land");
			}
		}

	};

	this.getMinMaxPlayerCoords = function(id) {
		var tempMinX = this.mapSize;
		var tempMinY = this.mapSize;
		var tempMaxX = 0;
		var tempMaxY = 0;
		for (var i = 0; i < this.mapSize; i++) {
			for (var j = 0; j < this.mapSize; j++) {
				if (this.map[i][j].id == id) {
					if (this.map[i][j].x < tempMinX) {
						tempMinX = this.map[i][j].x;
					}
					if (this.map[i][j].y < tempMinY) {
						tempMinY = this.map[i][j].y;
					}
					if (this.map[i][j].x > tempMaxX) {
						tempMaxX = this.map[i][j].x;
					}
					if (this.map[i][j].y > tempMaxY) {
						tempMaxY = this.map[i][j].y;
					}
				}
			}
		}
		var output = {
			minX: tempMinX,
			minY: tempMinY,
			maxX: tempMaxX,
			maxY: tempMaxY
		};
		return output;
	};

	this.clearMap = function() {
		for (var i = 0; i < this.mapSize; i++) {
			this.map[i] = [];
			for (var j = 0; j < this.mapSize; j++) {
				this.map[i][j] = {
					x: i,
					y: j,
					id: 0,
					color: "#3a4f56",
					type: "land"
				};
			}
		}
	};
	this.clearMap();
};