Add level file loading, add walls to scene

Pacman3D-iOS.xcodeproj/project.pbxproj

@@ -15,6 +15,9 @@
 		F6BEB8131EF7F99B00EDAA66 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = F6BEB8111EF7F99B00EDAA66 /* LaunchScreen.storyboard */; };
 		F6BEB81E1EF7F99B00EDAA66 /* Pacman3D_iOSTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F6BEB81D1EF7F99B00EDAA66 /* Pacman3D_iOSTests.swift */; };
 		F6BEB8291EF7F99C00EDAA66 /* Pacman3D_iOSUITests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F6BEB8281EF7F99C00EDAA66 /* Pacman3D_iOSUITests.swift */; };
+		F6FEE7161EF80AD500C1DE35 /* Level.swift in Sources */ = {isa = PBXBuildFile; fileRef = F6FEE7151EF80AD500C1DE35 /* Level.swift */; };
+		F6FEE7181EF80C1500C1DE35 /* StreamReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = F6FEE7171EF80C1500C1DE35 /* StreamReader.swift */; };
+		F6FEE71B1EF8135200C1DE35 /* level.plv in Resources */ = {isa = PBXBuildFile; fileRef = F6FEE71A1EF8135200C1DE35 /* level.plv */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -49,6 +52,9 @@
 		F6BEB8241EF7F99C00EDAA66 /* Pacman3D-iOSUITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "Pacman3D-iOSUITests.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
 		F6BEB8281EF7F99C00EDAA66 /* Pacman3D_iOSUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Pacman3D_iOSUITests.swift; sourceTree = "<group>"; };
 		F6BEB82A1EF7F99C00EDAA66 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		F6FEE7151EF80AD500C1DE35 /* Level.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Level.swift; sourceTree = "<group>"; };
+		F6FEE7171EF80C1500C1DE35 /* StreamReader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = StreamReader.swift; sourceTree = "<group>"; };
+		F6FEE71A1EF8135200C1DE35 /* level.plv */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = level.plv; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -99,6 +105,8 @@
 		F6BEB8051EF7F99B00EDAA66 /* Pacman3D-iOS */ = {
 			isa = PBXGroup;
 			children = (
+				F6FEE7141EF80AB900C1DE35 /* Level */,
+				F6FEE7191EF80C1900C1DE35 /* Uilts */,
 				F6BEB8061EF7F99B00EDAA66 /* AppDelegate.swift */,
 				F6BEB8081EF7F99B00EDAA66 /* art.scnassets */,
 				F6BEB80A1EF7F99B00EDAA66 /* GameViewController.swift */,
@@ -106,6 +114,7 @@
 				F6BEB80F1EF7F99B00EDAA66 /* Assets.xcassets */,
 				F6BEB8111EF7F99B00EDAA66 /* LaunchScreen.storyboard */,
 				F6BEB8141EF7F99B00EDAA66 /* Info.plist */,
+				F6FEE71A1EF8135200C1DE35 /* level.plv */,
 			);
 			path = "Pacman3D-iOS";
 			sourceTree = "<group>";
@@ -128,6 +137,22 @@
 			path = "Pacman3D-iOSUITests";
 			sourceTree = "<group>";
 		};
+		F6FEE7141EF80AB900C1DE35 /* Level */ = {
+			isa = PBXGroup;
+			children = (
+				F6FEE7151EF80AD500C1DE35 /* Level.swift */,
+			);
+			name = Level;
+			sourceTree = "<group>";
+		};
+		F6FEE7191EF80C1900C1DE35 /* Uilts */ = {
+			isa = PBXGroup;
+			children = (
+				F6FEE7171EF80C1500C1DE35 /* StreamReader.swift */,
+			);
+			name = Uilts;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -242,6 +267,7 @@
 				F6BEB8131EF7F99B00EDAA66 /* LaunchScreen.storyboard in Resources */,
 				F6BEB8101EF7F99B00EDAA66 /* Assets.xcassets in Resources */,
 				F6BEB80E1EF7F99B00EDAA66 /* Main.storyboard in Resources */,
+				F6FEE71B1EF8135200C1DE35 /* level.plv in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -266,6 +292,8 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				F6FEE7181EF80C1500C1DE35 /* StreamReader.swift in Sources */,
+				F6FEE7161EF80AD500C1DE35 /* Level.swift in Sources */,
 				F6BEB80B1EF7F99B00EDAA66 /* GameViewController.swift in Sources */,
 				F6BEB8071EF7F99B00EDAA66 /* AppDelegate.swift in Sources */,
 			);
@@ -520,6 +548,7 @@
 				F6BEB82F1EF7F99C00EDAA66 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		F6BEB8301EF7F99C00EDAA66 /* Build configuration list for PBXNativeTarget "Pacman3D-iOSTests" */ = {
 			isa = XCConfigurationList;
@@ -528,6 +557,7 @@
 				F6BEB8321EF7F99C00EDAA66 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		F6BEB8331EF7F99C00EDAA66 /* Build configuration list for PBXNativeTarget "Pacman3D-iOSUITests" */ = {
 			isa = XCConfigurationList;
@@ -536,6 +566,7 @@
 				F6BEB8351EF7F99C00EDAA66 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};

Pacman3D-iOS/GameViewController.swift

@@ -15,6 +15,8 @@ class GameViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
         
+        let level = Level(named: "level")
+        
         // create a new scene
         let scene = SCNScene(named: "art.scnassets/ship.scn")!
         
@@ -26,6 +28,17 @@ class GameViewController: UIViewController {
         // place the camera
         cameraNode.position = SCNVector3(x: 0, y: 0, z: 15)
         
+        for (y, line) in level.data.enumerated() {
+            for (x, block) in line.enumerated() {
+                if block == .wall {
+                    let box = SCNBox(width: 5, height: 5, length: 5, chamferRadius: 0)
+                    let node = SCNNode(geometry: box)
+                    node.position = SCNVector3(x: Float(x * 5), y: 2.5, z:Float(y * 5))
+                    scene.rootNode.addChildNode(node)
+                }
+            }
+        }
+        
 //        // create and add a light to the scene
 //        let lightNode = SCNNode()
 //        lightNode.light = SCNLight()
@@ -47,7 +60,7 @@ class GameViewController: UIViewController {
         scnView.scene = scene
         
         // allows the user to manipulate the camera
-        scnView.allowsCameraControl = false
+        scnView.allowsCameraControl = true
         
         // show statistics such as fps and timing information
         scnView.showsStatistics = true

Pacman3D-iOS/Level.swift

+//
+//  Level.swift
+//  Pacman3D-iOS
+//
+//  Created by Tobias on 19.06.17.
+//  Copyright © 2017 Tobias. All rights reserved.
+//
+
+import Foundation
+
+class Level {
+    
+    enum TileType {
+        case wall
+        case blank
+    }
+    
+    let data: [[TileType]]
+    
+    init(named: String) {
+        if let path = Bundle.main.path(forResource: named, ofType: "plv") {
+            if let aStreamReader = StreamReader(path: path, delimiter: "\n") {
+                defer {
+                    aStreamReader.close()
+                }
+                
+                var tempLines: [[TileType]] = []
+                while let line = aStreamReader.nextLine() {
+                    var tempLine: [TileType] = []
+                    for index in line.characters.indices {
+                        let c = line[index]
+                        if c == "w" {
+                            tempLine.append(TileType.blank)
+                        } else if c == "s" {
+                            tempLine.append(TileType.wall)
+                        }
+                    }
+                    tempLines.append(tempLine)
+                }
+                self.data = tempLines
+                return
+            }
+        }
+        data = [[]]
+    }
+}

Pacman3D-iOS/StreamReader.swift

+//
+//  StreamReader.swift
+//  Pacman3D-iOS
+//
+//  Created by Tobias on 19.06.17.
+//  Copyright © 2017 Tobias. All rights reserved.
+//
+
+import Foundation
+
+class StreamReader  {
+    
+    let encoding: String.Encoding
+    let chunkSize: Int
+    
+    var fileHandle: FileHandle!
+    let buffer: NSMutableData!
+    let delimData: NSData!
+    var atEof: Bool = false
+    
+    init?(path: String, delimiter: String = "\n", encoding : String.Encoding = String.Encoding.utf8, chunkSize : Int = 4096) {
+        self.chunkSize = chunkSize
+        self.encoding = encoding
+        
+        if let fileHandle = FileHandle(forReadingAtPath: path), let delimData = delimiter.data(using: encoding), let buffer = NSMutableData(capacity: chunkSize) {
+            self.fileHandle = fileHandle
+            self.delimData = delimData as NSData
+            self.buffer = buffer
+        } else {
+            self.fileHandle = nil
+            self.delimData = nil
+            self.buffer = nil
+            return nil
+        }
+    }
+    
+    deinit {
+        self.close()
+    }
+    
+    /// Return next line, or nil on EOF.
+    func nextLine() -> String? {
+        precondition(fileHandle != nil, "Attempt to read from closed file")
+        
+        if atEof {
+            return nil
+        }
+        
+        // Read data chunks from file until a line delimiter is found:
+        var range = buffer.range(of: delimData as Data, options: [], in: NSMakeRange(0, buffer.length))
+        while range.location == NSNotFound {
+            let tmpData = fileHandle.readData(ofLength: chunkSize)
+            if tmpData.count == 0 {
+                // EOF or read error.
+                atEof = true
+                if buffer.length > 0 {
+                    // Buffer contains last line in file (not terminated by delimiter).
+                    let line = String(data: buffer as Data, encoding: encoding)
+                    buffer.length = 0
+                    return line
+                }
+                // No more lines.
+                return nil
+            }
+            buffer.append(tmpData)
+            range = buffer.range(of: delimData as Data, options: [], in: NSMakeRange(0, buffer.length))
+        }
+        
+        // Convert complete line (excluding the delimiter) to a string:
+        let line = String(data: buffer.subdata(with: NSMakeRange(0, range.location)), encoding: encoding)
+        // Remove line (and the delimiter) from the buffer:
+        buffer.replaceBytes(in: NSMakeRange(0, range.location + range.length), withBytes: nil, length: 0)
+        
+        return line as String?
+    }
+    
+    /// Start reading from the beginning of file.
+    func rewind() -> Void {
+        fileHandle.seek(toFileOffset: 0)
+        buffer.length = 0
+        atEof = false
+    }
+    
+    /// Close the underlying file. No reading must be done after calling this method.
+    func close() -> Void {
+        fileHandle?.closeFile()
+        fileHandle = nil
+    }
+}

Pacman3D-iOS/level.plv

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+swwwwwwwwwwwwwwwwwws
+swssssswsssswsswwsws
+swswwwwwwwsswsssssws
+swswssssswsswwwwwwws
+swswssswwwsswsssssws
+swswssswsssswwswwwws
+swswswwwssssswswssws
+swwwsswwwwwwwwwwwwws
+swswssssswsssswswsws
+swswssssswwwsswswsws
+swswwwwwwwswsswwwsws
+swsssswswsswwswsssws
+swwwwswswwsswswsssws
+swsswswswwwwwswsssws
+swsswswssssssswsssws
+swwwwwwwwwwwwwwwwwws
+ssssssssssssssssssss
\ No newline at end of file