Added onLoad() lifecycle function

Airport.vcxproj

@@ -23,13 +23,13 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="assets\scripts\children_test.toy" />
+    <None Include="assets\scripts\empty.toy" />
     <None Include="assets\scripts\entity.toy" />
     <None Include="assets\scripts\frames_test.toy" />
     <None Include="assets\scripts\init.toy" />
     <None Include="assets\scripts\scene.toy" />
     <None Include="assets\scripts\tilemap\layer-background.toy" />
     <None Include="assets\scripts\tilemap\layer-walls.toy" />
-    <None Include="assets\scripts\tilemap\tile.toy" />
     <None Include="assets\scripts\tilemap\tilemap.toy" />
   </ItemGroup>
   <PropertyGroup Label="Globals">

assets/scripts/children_test.toy

@@ -1,24 +1,22 @@
 import node;
 
-//util to generate and init a child node of a given parent
-fn makeChild(parent: opaque, fname: string) {
+//looks like a polyfill
+fn loadChild(parent: opaque, fname: string) {
 	var child: opaque = loadNode(fname);
 	parent.pushNode(child);
-	child.initNode();
 	return child;
 }
 
-fn onInit(node: opaque) {
+fn onLoad(node: opaque) {
 	for (var i = 0; i < 20; i++) {
-		node.makeChild("scripts:/tilemap/tile.toy");
+		node.loadChild("scripts:/empty.toy");
 	}
 
 	node.freeChildNode(10);
 	var n = node.getChildNode(10);
 
 	for (var i = 0; i < 20; i++) {
-		//this would originally prune tombstones...
-		node.makeChild("scripts:/tilemap/tile.toy");
+		node.loadChild("scripts:/empty.toy");
 	}
 
 	print node.getChildNodeCount();

assets/scripts/empty.toy

@@ -0,0 +1 @@
+//this file is a polyfill

assets/scripts/scene.toy

@@ -1,17 +1,20 @@
 //the overarching scene
 import node;
 
+//debugging tools
+var stepCounter: int = 0;
+var stepTracker: [int] = [0, 0, 0];
+
 
 //util to generate and init a child node of a given parent
 fn makeChild(parent: opaque, fname: string) {
 	var child: opaque = loadNode(fname);
 	parent.pushNode(child);
-	child.initNode();
 	return child;
 }
 
-
-fn onInit(node: opaque) {
+//lifecycle functions
+fn onLoad(node: opaque) {
 	//load the tile map node
 	var tilemapNode = node.makeChild("scripts:/tilemap/tilemap.toy");
 
@@ -22,6 +25,22 @@ fn onInit(node: opaque) {
 	//tilemapNode.callNodeFn("loadLayer", "layer-maze.toy");
 }
 
+//debugging code
+fn onStep(node: opaque) {
+	stepCounter++;
+}
+
+fn onDraw(node: opaque) {
+	//round off - too many skips means it's crappy anyway
+	if (stepCounter > stepTracker.length() - 1) {
+		stepCounter = stepTracker.length() - 1;
+	}
+
+	//This logic is just a debugging tool
+	stepTracker[stepCounter] = stepTracker[stepCounter] + 1;
+	print stepTracker;
+	stepCounter = 0;
+}
 
 //global accessors
 fn getTileWidth(node: opaque): int { return 64; }

assets/scripts/tilemap/layer-background.toy

@@ -4,24 +4,25 @@ import engine;
 import node;
 
 
-//util to generate and init a child node of a given parent
-fn makeChildSprite(parent: opaque, spriteName: string) {
-	var child: opaque = loadNode("scripts:/tilemap/tile.toy");
+//TODO: replace with an empty node function (polyfill)
+fn loadChildEmpty(parent: opaque) {
+	var child: opaque = loadNode("scripts:/empty.toy");
 	parent.pushNode(child);
-	child.initNode();
-
-	child.loadTexture("sprites:/" + spriteName);
-
 	return child;
 }
 
 
-fn onInit(node: opaque) {
+fn onLoad(node: opaque) {
 	//load the child node, with the tiling back image
-	node.makeChildSprite("tile-background.png");
+	node.loadChildEmpty();
+}
+
+fn onInit(node: opaque) {
+	node.getChildNode(0).loadTexture("sprites:/tile-background.png");
 }
 
 
+//drawing util
 fn drawLayer(node: opaque, camX, camY, camW, camH, depth) {
 	//get the constants from root
 	var root: opaque = getRootNode();

assets/scripts/tilemap/layer-walls.toy

@@ -4,24 +4,25 @@ import engine;
 import node;
 
 
-//util to generate and init a child node of a given parent
-fn makeChildSprite(parent: opaque, spriteName: string) {
-	var child: opaque = loadNode("scripts:/tilemap/tile.toy");
+//TODO: replace with an empty node function (polyfill)
+fn loadChildEmpty(parent: opaque) {
+	var child: opaque = loadNode("scripts:/empty.toy");
 	parent.pushNode(child);
-	child.initNode();
-
-	child.loadTexture("sprites:/" + spriteName);
-
 	return child;
 }
 
 
-fn onInit(node: opaque) {
+fn onLoad(node: opaque) {
 	//load the child node, with the tiling back image
-	node.makeChildSprite("tile-wall.png");
+	node.loadChildEmpty();
+}
+
+fn onInit(node: opaque) {
+	node.getChildNode(0).loadTexture("sprites:/tile-wall.png");
 }
 
 
+//drawing util
 fn drawLayer(node: opaque, camX, camY, camW, camH, depth) {
 	//get the constants from root
 	var root: opaque = getRootNode();

assets/scripts/tilemap/tile.toy

@@ -1,2 +0,0 @@
-//EMPTY
-

assets/scripts/tilemap/tilemap.toy

@@ -6,44 +6,25 @@ import node;
 var camX: float = 0;
 var camY: float = 0;
 
-var stepCounter: int = 0;
-var stepTracker: [int] = [0, 0, 0, 0, 0, 0];
-
-//util to generate and init a child node of a given parent
-fn makeChild(parent: opaque, fname: string) {
+//util to generate a child node of a given parent
+fn loadChild(parent: opaque, fname: string) {
 	var child: opaque = loadNode(fname);
 	parent.pushNode(child);
-	child.initNode();
 	return child;
 }
 
 fn loadLayer(node: opaque, layerName: string) {
 	//load the given layer as a child
-	var layerNode = node.makeChild("scripts:/tilemap/" + layerName);
+	var layerNode = node.loadChild("scripts:/tilemap/" + layerName);
 }
 
+//lifecycle functions
 fn onStep(node: opaque) {
-	stepCounter++;
-
 	camX--;
 	camY--;
 }
 
 fn onDraw(node: opaque) {
-	var tmp = stepCounter;
-	print stepCounter;
-	stepCounter = 0;
-
-	if (tmp > 5) {
-		tmp = 5;
-	}
-
-	print typeof (stepTracker[tmp] + 1);
-
-	//TODO: index[]++
-	stepTracker[tmp] = stepTracker[tmp] + 1;
-	print stepTracker;
-
 	var screenWidth: int const = getRootNode().callNodeFn("getScreenWidth");
 	var screenHeight: int const = getRootNode().callNodeFn("getScreenHeight");
 

box/box_engine.c

@@ -63,12 +63,17 @@ void Box_initEngine() {
 	Toy_injectNativeHook(&engine.interpreter, "node", Box_hookNode);
 	Toy_injectNativeHook(&engine.interpreter, "input", Box_hookInput);
 
+	//run the init
 	size_t size = 0;
 	const unsigned char* source = Toy_readFile("./assets/scripts/init.toy", &size);
 	const unsigned char* tb = Toy_compileString((const char*)source, &size);
 	free((void*)source);
 
 	Toy_runInterpreter(&engine.interpreter, tb, size);
+
+	//init the node-tree
+	Box_callRecursiveEngineNode(engine.rootNode, &engine.interpreter, "onInit", NULL);
+
 }
 
 void Box_freeEngine() {

box/lib_engine.c

@@ -25,7 +25,7 @@ static int nativeInitWindow(Toy_Interpreter* interpreter, Toy_LiteralArray* argu
 	}
 
 	if (arguments->count != 4) {
-		fatalError("Incorrect number of arguments passed to initEngine\n");
+		fatalError("Incorrect number of arguments passed to initWindow\n");
 	}
 
 	//extract the arguments
@@ -34,9 +34,29 @@ static int nativeInitWindow(Toy_Interpreter* interpreter, Toy_LiteralArray* argu
 	Toy_Literal screenWidth = Toy_popLiteralArray(arguments);
 	Toy_Literal caption = Toy_popLiteralArray(arguments);
 
+	Toy_Literal captionIdn = caption;
+	if (TOY_IS_IDENTIFIER(caption) && Toy_parseIdentifierToValue(interpreter, &caption)) {
+		Toy_freeLiteral(captionIdn);
+	}
+
+	Toy_Literal screenWidthIdn = screenWidth;
+	if (TOY_IS_IDENTIFIER(screenWidth) && Toy_parseIdentifierToValue(interpreter, &screenWidth)) {
+		Toy_freeLiteral(screenWidthIdn);
+	}
+
+	Toy_Literal screenHeightIdn = screenHeight;
+	if (TOY_IS_IDENTIFIER(screenHeight) && Toy_parseIdentifierToValue(interpreter, &screenHeight)) {
+		Toy_freeLiteral(screenHeightIdn);
+	}
+
+	Toy_Literal fscreenIdn = fscreen;
+	if (TOY_IS_IDENTIFIER(fscreen) && Toy_parseIdentifierToValue(interpreter, &fscreen)) {
+		Toy_freeLiteral(fscreenIdn);
+	}
+
 	//check argument types
 	if (!TOY_IS_STRING(caption) || !TOY_IS_INTEGER(screenWidth) || !TOY_IS_INTEGER(screenHeight) || !TOY_IS_BOOLEAN(fscreen)) {
-		fatalError("Incorrect argument type passed to initEngine\n");
+		fatalError("Incorrect argument type passed to initWindow\n");
 	}
 
 	//init the window
@@ -133,7 +153,7 @@ static int nativeLoadRootNode(Toy_Interpreter* interpreter, Toy_LiteralArray* ar
 
 	//init the inner interpreter manually
 	Toy_initLiteralArray(&inner.literalCache);
-	inner.scope = Toy_pushScope(NULL);
+	inner.scope = Toy_pushScope(interpreter->scope);
 	inner.bytecode = tb;
 	inner.length = size;
 	inner.count = 0;
@@ -148,16 +168,15 @@ static int nativeLoadRootNode(Toy_Interpreter* interpreter, Toy_LiteralArray* ar
 
 	Box_initEngineNode(rootNode, &inner, tb, size);
 
-	//init the new node (and ONLY this node)
-	Box_callEngineNode(rootNode, &engine.interpreter, "onInit", NULL);
+	//immediately call onLoad() after running the script - for loading other nodes
+	Box_callEngineNode(rootNode, &engine.interpreter, "onLoad", NULL);
 
 	//NOW it's non-null
 	engine.rootNode = rootNode;
 
 	//cleanup
-	while(inner.scope) {
-		inner.scope = Toy_popScope(inner.scope);
-	}
+	Toy_popScope(inner.scope);
+	inner.scope = NULL;
 
 	Toy_freeLiteralArray(&inner.stack);
 	Toy_freeLiteralArray(&inner.literalCache);

box/lib_node.c

@@ -50,14 +50,14 @@ static int nativeLoadNode(Toy_Interpreter* interpreter, Toy_LiteralArray* argume
 
 	Box_EngineNode* node = TOY_ALLOCATE(Box_EngineNode, 1);
 
-	//BUGFIX: make an inner-interpreter
+	//BUGFIX: make an -interpreter
 	Toy_Interpreter inner;
 
 	//init the inner interpreter manually
 	Toy_initLiteralArray(&inner.literalCache);
 	Toy_initLiteralArray(&inner.stack);
 	inner.hooks = interpreter->hooks;
-	inner.scope = Toy_pushScope(NULL);
+	inner.scope = Toy_pushScope(interpreter->scope);
 	inner.bytecode = tb;
 	inner.length = size;
 	inner.count = 0;
@@ -70,6 +70,9 @@ static int nativeLoadNode(Toy_Interpreter* interpreter, Toy_LiteralArray* argume
 
 	Box_initEngineNode(node, &inner, tb, size);
 
+	//immediately call onLoad() after running the script - for loading other nodes
+	Box_callEngineNode(node, &engine.interpreter, "onLoad", NULL);
+
 	// return the node
 	Toy_Literal nodeLiteral = TOY_TO_OPAQUE_LITERAL(node, node->tag);
 	Toy_pushLiteralArray(&interpreter->stack, nodeLiteral);