initial commit

Sources/RendererAPI/WindowProtocol.swift

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+/// Window Management Protocol - Platform-agnostic window handling
+/// This module contains ONLY protocol definitions with no platform-specific imports
+
+import Foundation
+
+// MARK: - Window Types
+
+/// Window configuration
+public struct WindowConfig: Sendable {
+    public var title: String
+    public var width: Int
+    public var height: Int
+    public var fullscreen: Bool
+    public var resizable: Bool
+    public var vsyncEnabled: Bool
+    
+    public init(title: String = "SportsBallEngine", width: Int = 1920, height: Int = 1080,
+                fullscreen: Bool = false, resizable: Bool = true, vsyncEnabled: Bool = true) {
+        self.title = title
+        self.width = width
+        self.height = height
+        self.fullscreen = fullscreen
+        self.resizable = resizable
+        self.vsyncEnabled = vsyncEnabled
+    }
+}
+
+/// Window event types
+public enum WindowEvent: Sendable {
+    case close
+    case resize(width: Int, height: Int)
+    case focus(focused: Bool)
+    case minimize
+    case maximize
+    case restore
+}
+
+// MARK: - Window Manager Protocol
+
+/// Window system abstraction - all platform-specific window implementations must conform
+public protocol WindowManager: Sendable {
+    /// Create and initialize a window with the given configuration
+    func createWindow(config: WindowConfig) async throws
+    
+    /// Check if the window should close
+    func shouldClose() -> Bool
+    
+    /// Process window events (called each frame)
+    func processEvents() -> [WindowEvent]
+    
+    /// Get current window size
+    func getSize() -> (width: Int, height: Int)
+    
+    /// Set window size
+    func setSize(width: Int, height: Int) throws
+    
+    /// Set window title
+    func setTitle(_ title: String) throws
+    
+    /// Toggle fullscreen mode
+    func setFullscreen(_ fullscreen: Bool) throws
+    
+    /// Get native window handle (for renderer initialization)
+    func getNativeHandle() -> UnsafeMutableRawPointer?
+    
+    /// Swap buffers / present frame
+    func swapBuffers() throws
+    
+    /// Destroy the window and cleanup
+    func destroyWindow() async
+}
+