/*

     File: ASCSlideCloning.m

 Abstract: Shows how objects can be shared or unshared depending on specific needs.

  Version: 1.1

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#import "ASCPresentationViewController.h"

#import "ASCSlideTextManager.h"

#import "ASCSlide.h"

#import "Utils.h"

@interface ASCSlideCloning : ASCSlide

@end

@implementation ASCSlideCloning {

    NSColor *_redColor, *_greenColor, *_blueColor, *_purpleColor;

    SCNNode *_diagramNode;

}

- (NSUInteger)numberOfSteps {

    return 4;

}

- (void)setupSlideWithPresentationViewController:(ASCPresentationViewController *)presentationViewController {

    _redColor = [NSColor colorWithDeviceRed:168.0 / 255.0 green:21.0 / 255.0 blue:0.0 / 255.0 alpha:1];

    _greenColor = [NSColor colorWithDeviceRed:154.0 / 255.0 green:197.0 / 255.0 blue:58.0 / 255.0 alpha:1];

    _blueColor = [NSColor colorWithDeviceRed:49.0 / 255.0 green:80.0 / 255.0 blue:201 / 255.0 alpha:1];

    _purpleColor = [NSColor colorWithDeviceRed:190.0 / 255.0 green:56.0 / 255.0 blue:243.0 / 255.0 alpha:1];

    // Create the diagram but hide it

    _diagramNode = [self cloningDiagramNode];

    _diagramNode.opacity = 0.0;

    [self.contentNode addChildNode:_diagramNode];

}

- (void)didOrderInWithPresentionViewController:(ASCPresentationViewController *)presentationViewController {

    // Once the slide ordered in, reveal the diagram

    for (SCNNode *node in _diagramNode.childNodes)

        node.rotation = SCNVector4Make(0, 1, 0, M_PI_2); // initially viewed from the side

    [SCNTransaction begin];

    [SCNTransaction setAnimationDuration:0.75];

    {

        _diagramNode.opacity = 1.0;

        for (SCNNode *node in _diagramNode.childNodes)

            node.rotation = SCNVector4Make(0, 1, 0, 0);

    }

    [SCNTransaction commit];

}

- (void)presentStepIndex:(NSUInteger)index withPresentionViewController:(ASCPresentationViewController *)presentationViewController {

    switch (index) {

        case 0:

            // Set the slide's title and subtitle and add some text

            self.textManager.title = @"Performance";

            self.textManager.subtitle = @"Copying";

            [self.textManager addBullet:@"Attributes are shared by default" atLevel:0];

            [self.textManager addBullet:@"Unshare if needed" atLevel:0];

            [self.textManager addBullet:@"Copying geometries is cheap" atLevel:0];

            break;

        case 1:

        {

            // New "Node B" box

            SCNNode *nodeB = [SCNNode asc_boxNodeWithTitle:@"Node B" frame:NSMakeRect(-55, -36, 110, 50) color:_greenColor cornerRadius:10 centered:YES];

            nodeB.name = @"nodeB";

            nodeB.position = SCNVector3Make(140, 0, 0);

            nodeB.opacity = 0;

            SCNNode *nodeA = [self.contentNode childNodeWithName:@"nodeA" recursively:YES];

            [nodeA addChildNode:nodeB];

            // Arrow from "Root Node" to "Node B"

            SCNNode *arrowNode = [SCNNode node];

            arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(140, 3) tipSize:NSMakeSize(10, 14)  hollow:4 twoSides:YES] extrusionDepth:0];

            arrowNode.position = SCNVector3Make(-130, 60, 0);

            arrowNode.rotation = SCNVector4Make(0, 0, 1, -M_PI * 0.12);

            arrowNode.geometry.firstMaterial.diffuse.contents = _greenColor;

            [nodeB addChildNode:arrowNode];

            // Arrow from "Node B" to the shared geometry

            arrowNode = [SCNNode node];

            arrowNode.name = @"arrow-shared-geometry";

            arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(140, 3) tipSize:NSMakeSize(10, 14)  hollow:4 twoSides:NO] extrusionDepth:0];

            arrowNode.position = SCNVector3Make(0, -28, 0);

            arrowNode.rotation = SCNVector4Make(0, 0, 1, M_PI * 1.12);

            arrowNode.geometry.firstMaterial.diffuse.contents = _purpleColor;

            [nodeB addChildNode:arrowNode];

            // Reveal

            [SCNTransaction begin];

            [SCNTransaction setAnimationDuration:1];

            {

                nodeB.opacity = 1.0;

                // Show the related code

                [self.textManager addCode:

                 @"// Copy a node \n"

                 @"SCNNode *nodeB = [nodeA #copy#];"];

            }

            [SCNTransaction commit];

            break;

        }

        case 2:

        {

            SCNNode *geometryNodeA = [self.contentNode childNodeWithName:@"geometry" recursively:YES];

            SCNNode *oldArrowNode = [self.contentNode childNodeWithName:@"arrow-shared-geometry" recursively:YES];

            // New "Geometry" box

            SCNNode *geometryNodeB = [SCNNode asc_boxNodeWithTitle:@"Geometry" frame:NSMakeRect(-55, -20, 110, 40) color:_purpleColor cornerRadius:10 centered:YES];

            geometryNodeB.position = SCNVector3Make(140, 0, 0);

            geometryNodeB.opacity = 0;

            [geometryNodeA addChildNode:geometryNodeB];

            // Arrow from "Node B" to the new geometry

            SCNNode *arrowNode = [SCNNode node];

            arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(55, 3) tipSize:NSMakeSize(10, 14)  hollow:4 twoSides:NO] extrusionDepth:0];

            arrowNode.position = SCNVector3Make(0, 75, 0);

            arrowNode.rotation = SCNVector4Make(0, 0, 1, -M_PI * 0.5);

            arrowNode.geometry.firstMaterial.diffuse.contents = _purpleColor;

            [geometryNodeB addChildNode:arrowNode];

            // Arrow from the new geometry to "Material"

            arrowNode = [SCNNode node];

            arrowNode.name = @"arrow-shared-material";

            arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(140, 3) tipSize:NSMakeSize(10, 14)  hollow:4 twoSides:YES] extrusionDepth:0];

            arrowNode.position = SCNVector3Make(-130, -80, 0);

            arrowNode.rotation = SCNVector4Make(0, 0, 1, M_PI * 0.12);

            arrowNode.geometry.firstMaterial.diffuse.contents = _redColor;

            [geometryNodeB addChildNode:arrowNode];

            // Reveal

            [SCNTransaction begin];

            [SCNTransaction setAnimationDuration:1];

            {

                geometryNodeB.opacity = 1.0;

                oldArrowNode.opacity = 0.0;

                // Show the related code

                [self.textManager addEmptyLine];

                [self.textManager addCode:

                 @"// Unshare geometry \n"

                 @"nodeB.geometry = [nodeB.geometry #copy#];"];

            }

            [SCNTransaction commit];

            break;

        }

        case 3:

        {

            SCNNode *materialANode = [self.contentNode childNodeWithName:@"material" recursively:YES];

            SCNNode *oldArrowNode = [self.contentNode childNodeWithName:@"arrow-shared-material" recursively:YES];

            // New "Material" box

            SCNNode *materialBNode = [SCNNode asc_boxNodeWithTitle:@"Material" frame:NSMakeRect(-55, -20, 110, 40) color:[NSColor orangeColor] cornerRadius:10 centered:YES];

            materialBNode.position = SCNVector3Make(140, 0, 0);

            materialBNode.opacity = 0;

            [materialANode addChildNode:materialBNode];

            // Arrow from the unshared geometry to the new material

            SCNNode *arrowNode = [SCNNode node];

            arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(55, 3) tipSize:NSMakeSize(10, 14)  hollow:4 twoSides:NO] extrusionDepth:0];

            arrowNode.position = SCNVector3Make(0, 75, 0);

            arrowNode.rotation = SCNVector4Make(0, 0, 1, -M_PI * 0.5);

            arrowNode.geometry.firstMaterial.diffuse.contents = [NSColor orangeColor];

            [materialBNode addChildNode:arrowNode];

            // Reveal

            [SCNTransaction begin];

            [SCNTransaction setAnimationDuration:1];

            {

                materialBNode.opacity = 1.0;

                oldArrowNode.opacity = 0.0;

            }

            [SCNTransaction commit];

            break;

        }

    }

}

// A node hierarchy that illustrates the cloning mechanism and how to unshare attributes

- (SCNNode *)cloningDiagramNode {

    SCNNode *diagramNode = [SCNNode node];

    diagramNode.position = SCNVector3Make(7, 9, 3);

    // "Scene" box

    SCNNode *sceneNode = [SCNNode asc_boxNodeWithTitle:@"Scene" frame:NSMakeRect(-53.5, -25, 107, 50) color:_blueColor cornerRadius:10 centered:YES];

    sceneNode.name = @"scene";

    sceneNode.scale = SCNVector3Make(0.03, 0.03, 0.03);

    sceneNode.position = SCNVector3Make(0, 4.8, 0);

    [diagramNode addChildNode:sceneNode];

    // "Root node" box

    SCNNode *rootNode = [SCNNode asc_boxNodeWithTitle:@"Root Node" frame:NSMakeRect(-40, -36, 80, 72) color:_greenColor cornerRadius:10 centered:YES];

    rootNode.name = @"rootNode";

    rootNode.scale = SCNVector3Make(0.03, 0.03, 0.03);

    rootNode.position = SCNVector3Make(0.05, 1.8, 0);

    [diagramNode addChildNode:rootNode];

    // "Node A" box

    SCNNode *nodeA = [SCNNode asc_boxNodeWithTitle:@"Node A" frame:NSMakeRect(-55, -36, 110, 50) color:_greenColor cornerRadius:10 centered:YES];

    nodeA.name = @"nodeA";

    nodeA.scale = SCNVector3Make(0.03, 0.03, 0.03);

    nodeA.position = SCNVector3Make(0, -1.4, 0);

    [diagramNode addChildNode:nodeA];

    // "Geometry" box

    SCNNode *geometryNode = [SCNNode asc_boxNodeWithTitle:@"Geometry" frame:NSMakeRect(-55, -20, 110, 40) color:_purpleColor cornerRadius:10 centered:YES];

    geometryNode.name = @"geometry";

    geometryNode.scale = SCNVector3Make(0.03, 0.03, 0.03);

    geometryNode.position = SCNVector3Make(0, -4.7, 0);

    [diagramNode addChildNode:geometryNode];

    // "Material" box

    SCNNode *materialNode = [SCNNode asc_boxNodeWithTitle:@"Material" frame:NSMakeRect(-55, -20, 110, 40) color:_redColor cornerRadius:10 centered:YES];

    materialNode.name = @"material";

    materialNode.position = SCNVector3Make(0, -7.5, 0);

    materialNode.scale = SCNVector3Make(0.03, 0.03, 0.03);

    [diagramNode addChildNode:materialNode];

    // Arrow from "Scene" to "Root Node"

    SCNNode *arrowNode = [SCNNode node];

    arrowNode.name = @"sceneArrow";

    arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(3, 0.2) tipSize:NSMakeSize(0.5, 0.7) hollow:0.2 twoSides:NO] extrusionDepth:0];

    arrowNode.scale = SCNVector3Make(20, 20, 1);

    arrowNode.position = SCNVector3Make(-5, 0, 8);

    arrowNode.rotation = SCNVector4Make(0, 0, 1, -M_PI_2);

    arrowNode.geometry.firstMaterial.diffuse.contents = _blueColor;

    [sceneNode addChildNode:arrowNode];

    // Arrow from "Root Node" to "Node A"

    arrowNode = [arrowNode clone];

    arrowNode.name = @"arrow";

    arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(2.6, 0.15) tipSize:NSMakeSize(0.5, 0.7) hollow:0.2 twoSides:YES] extrusionDepth:0];

    arrowNode.position = SCNVector3Make(-6, -38, 8);

    arrowNode.rotation = SCNVector4Make(0, 0, 1, -M_PI * 0.5);

    arrowNode.geometry.firstMaterial.diffuse.contents = _greenColor;

    [rootNode addChildNode:arrowNode];

    // Arrow from "Node A" to "Geometry"

    arrowNode = [SCNNode node];

    arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(2.6, 0.15) tipSize:NSMakeSize(0.5, 0.7) hollow:0.2 twoSides:NO] extrusionDepth:0];

    arrowNode.position = SCNVector3Make(-5, 74, 8);

    arrowNode.scale = SCNVector3Make(20, 20, 1);

    arrowNode.rotation = SCNVector4Make(0, 0, 1, -M_PI_2);

    arrowNode.geometry.firstMaterial.diffuse.contents = _purpleColor;

    [geometryNode addChildNode:arrowNode];

    // Arrow from "Geometry" to "Material"

    arrowNode = [SCNNode node];

    arrowNode.geometry = [SCNShape shapeWithPath:[NSBezierPath asc_arrowBezierPathWithBaseSize:NSMakeSize(2.7, 0.15) tipSize:NSMakeSize(0.5, 0.7) hollow:0.2 twoSides:NO] extrusionDepth:0];

    arrowNode.position = SCNVector3Make(-6, 74, 8);

    arrowNode.scale = SCNVector3Make(20, 20, 1);

    arrowNode.rotation = SCNVector4Make(0, 0, 1, -M_PI_2);

    arrowNode.geometry.firstMaterial.diffuse.contents = _redColor;

    [materialNode addChildNode:arrowNode];

    return diagramNode;

}

@end