Tilemap is working, in theory

Airport.vcxproj

@@ -30,6 +30,7 @@
     <None Include="assets\scripts\airplane.toy" />
     <None Include="assets\scripts\gameplay\lejana.toy" />
     <None Include="assets\scripts\gameplay\scene.toy" />
+    <None Include="assets\scripts\gameplay\tilemap.toy" />
     <None Include="assets\scripts\init.toy" />
   </ItemGroup>
   <PropertyGroup Label="Globals">

assets/scripts/gameplay/lejana.toy

@@ -31,7 +31,7 @@ fn faceUp(node: opaque) {
 }
 
 fn faceLeft(node: opaque) {
-	node.setNodeRect(32 * 8, 0, SPRITE_WIDTH, SPRITE_HEIGHT);
+	node.setNodeRect(32 * 12, 0, SPRITE_WIDTH, SPRITE_HEIGHT);
 	node.setNodeFrames(4);
 }
 

assets/scripts/gameplay/tilemap.toy

@@ -0,0 +1,75 @@
+import standard;
+import node;
+
+//consts
+var ROOM_WIDTH: int const = 5;
+var ROOM_HEIGHT: int const = 5;
+
+var TILE_WIDTH: int const = 128;
+var TILE_HEIGHT: int const = 128;
+
+//vars
+var tilemap: [[int]] = null;
+
+//debug vars
+var camX = 0;
+var camY = 0;
+var camW = 1080;
+var camH = 720;
+
+
+
+//lifecycle functions
+fn onInit(node: opaque) {
+	tilemap = generateBlankMap(ROOM_WIDTH, ROOM_HEIGHT);
+
+	node.loadTexture("sprites:/tileset.png");
+	node.setNodeRect(0, 0, 32, 32);
+
+	//debug
+	print tilemap;
+	tilemap[1][1] = 1;
+	print tilemap;
+}
+
+fn onDraw(node: opaque) {
+	//calc the region to render
+	var lowerX: int = round((camX - camW/2.0) / TILE_WIDTH);
+	var upperX: int = round((camX - camW*1.5) / TILE_WIDTH);
+	var lowerY: int = round((camY - camH/2.0) / TILE_HEIGHT);
+	var upperY: int = round((camY - camH*1.5) / TILE_HEIGHT);
+
+	//bounds check
+	lowerX = max(0, lowerX);
+	upperX = min(upperX < 0 ? abs(upperX) : 0, ROOM_WIDTH);
+	lowerY = max(0, lowerY);
+	upperY = min(upperY < 0 ? abs(upperY) : 0, ROOM_HEIGHT);
+
+
+	//draw the tilemap
+	for (var j = lowerY; j < upperY; j++) {
+		for (var i = lowerX; i < upperX; i++) {
+			node.setCurrentNodeFrame(tilemap[i][j]);
+			node.drawNode(i * TILE_WIDTH, j * TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT);
+		}
+	}
+}
+
+
+//utils functions
+fn generateBlankMap(width: int, height: int) {
+	//generate the row template
+	var row: [int] = [];
+	for (var j: int = 0; j < height; j++) {
+		row.push(0);
+	}
+
+	var result: [[int]] = [];
+	//generate the game map proper
+	for (var i: int = 0; i < width; i++) {
+		result.push(row);
+	}
+
+	return result;
+}
+

assets/scripts/init.toy

@@ -31,7 +31,7 @@
 	initWindow("Skyland", 1080, 720, false);
 
 	//kick off the logic of the scene graph
-	loadRootNode("scripts:/gameplay/lejana.toy");
+	loadRootNode("scripts:/gameplay/tilemap.toy");
 }
 
 //Globals go here

box/box_engine.c

@@ -432,7 +432,7 @@ void Box_execEngine() {
 		}
 
 		//render the world
-		SDL_SetRenderDrawColor(engine.renderer, 0, 0, 0, 255); //NOTE: This line can be disabled later
+		SDL_SetRenderDrawColor(engine.renderer, 128, 128, 128, 255); //NOTE: This line can be disabled later
 		SDL_RenderClear(engine.renderer); //NOTE: This line can be disabled later
 
 		Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onDraw", NULL);

box/lib_node.c

@@ -594,7 +594,7 @@ static int nativeSetCurrentNodeFrame(Toy_Interpreter* interpreter, Toy_LiteralAr
 	//actually set
 	Box_EngineNode* node = (Box_EngineNode*)TOY_AS_OPAQUE(nodeLiteral);
 
-	Box_setFramesEngineNode(node, TOY_AS_INTEGER(currentFrameLiteral));
+	Box_setCurrentFrameEngineNode(node, TOY_AS_INTEGER(currentFrameLiteral));
 
 	//cleanup
 	Toy_freeLiteral(nodeLiteral);