Randomly generated floor

assets/scripts/gameplay/tilemap.toy

@@ -2,14 +2,39 @@ import standard;
 import node;
 
 //consts
-var ROOM_WIDTH: int const = 5;
+var ROOM_WIDTH: int const = 8;
-var ROOM_HEIGHT: int const = 5;
+var ROOM_HEIGHT: int const = 8;
 
-var TILE_WIDTH: int const = 128;
+var TILE_WIDTH: int const = 64;
-var TILE_HEIGHT: int const = 128;
+var TILE_HEIGHT: int const = 64;
+
+//map between the identity and position on the sprite sheet
+var tilemap: [[string]] = null;
+
+var tileset: [string : [int]] = [
+	"pillar": [0, 0],
+	
+	"floor-0": [0, 1],
+	"floor-1": [1, 1],
+	"floor-2": [2, 1],
+	"floor-3": [3, 1],
+
+	"wall-t": [0, 2],
+	"wall-b": [1, 2],
+	"wall-l": [2, 2],
+	"wall-r": [3, 2],
+
+	"corner-tl": [0, 3],
+	"corner-tr": [1, 3],
+	"corner-bl": [2, 3],
+	"corner-br": [3, 3],
+
+	"edge-tl": [0, 4],
+	"edge-tr": [1, 4],
+	"edge-bl": [2, 4],
+	"edge-br": [3, 4]
+];
 
-//vars
-var tilemap: [[int]] = null;
 
 //debug vars
 var camX = 0;
@@ -18,17 +43,12 @@ var camW = 1080;
 var camH = 720;
 
 
-
 //lifecycle functions
 fn onInit(node: opaque) {
-	tilemap = generateBlankMap(ROOM_WIDTH, ROOM_HEIGHT);
+	tilemap = generateMap(ROOM_WIDTH, ROOM_HEIGHT);
 
 	node.loadTexture("sprites:/tileset.png");
-	node.setNodeRect(0, 0, 32, 32);
 
-	//debug
-	print tilemap;
-	tilemap[1][1] = 1;
 	print tilemap;
 }
 
@@ -49,7 +69,10 @@ fn onDraw(node: opaque) {
 	//draw the tilemap
 	for (var j = lowerY; j < upperY; j++) {
 		for (var i = lowerX; i < upperX; i++) {
-			node.setCurrentNodeFrame(tilemap[i][j]);
+
+			var pos = tileset[tilemap[i][j]];
+			node.setNodeRect(pos[0] * 16, pos[1] * 16, 16, 16);
+
 			node.drawNode(i * TILE_WIDTH, j * TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT);
 		}
 	}
@@ -57,19 +80,32 @@ fn onDraw(node: opaque) {
 
 
 //utils functions
-fn generateBlankMap(width: int, height: int) {
+fn generateMap(width: int, height: int) {
-	//generate the row template
+	import random;
-	var row: [int] = [];
+	var rng: opaque = createRandomGenerator(clock().hash());
+
+	//generate an empty grid
+	var result: [[string]] = [];
+	var row: [string] = [];
 	for (var j: int = 0; j < height; j++) {
-		row.push(0);
+		row.push("pillar");
 	}
 
-	var result: [[int]] = [];
-	//generate the game map proper
 	for (var i: int = 0; i < width; i++) {
 		result.push(row);
 	}
 
+	//generate the contents of the grid
+	for (var j: int = 0; j < height; j++) {
+		for (var i: int = 0; i < width; i++) {
+			//select a random floor tile
+			var x: int = rng.generateRandomNumber() % 4;
+			var t: string = "floor-" + string x;
+
+			result[i][j] = t;
+		}
+	}
+
 	return result;
 }