// Project: XnaGraphicEngine, File: Mission.cs
// Namespace: XnaGraphicEngine.GameScreens, Class: Mission
// Path: C:\code\XnaGraphicEngine\GameScreens, Author: Abi
// Code lines: 46, Size of file: 857 Bytes
// Creation date: 01.11.2005 23:55
// Last modified: 08.12.2005 16:14
// Generated with Commenter by abi.exDream.com

#region Using directives
using System;
using System.Collections.Generic;
using System.Text;
using XnaGraphicEngine.Graphics;
using XnaGraphicEngine.Helpers;
using XnaGraphicEngine.Game;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Texture = XnaGraphicEngine.Graphics.Texture;
using Model = XnaGraphicEngine.Graphics.Model;
using XnaGraphicEngine.Sounds;
using Microsoft.Xna.Framework.Input;
#endregion

namespace XnaGraphicEngine.GameScreens
{
	/// <summary>
	/// Mission, just manages the on screen display for the game.
	/// Controlling is done in SpaceCamera class.
	/// Most graphical stuff is done in AsteroidManager.
	/// </summary>
	class Mission : IGameScreen
	{
		#region Variables
		/// <summary>
		/// Link to game.hudTopTexture and hudBottomTexture.
		/// This are just references.
		/// </summary>
		private Texture hudTopTexture, hudBottomTexture;
		#endregion
		
		#region Properties
		/// <summary>
		/// Name of this game screen
		/// </summary>
		/// <returns>String</returns>
		public string Name
		{
			get
			{
				return "Mission";
			} // get
		} // Name

		private bool quit = false;
		/// <summary>
		/// Returns true if we want to quit this screen and return to the
		/// previous screen. If no more screens are left the game is exited.
		/// </summary>
		/// <returns>Bool</returns>
		public bool Quit
		{
			get
			{
				return quit;
			} // get
		} // Quit
		#endregion

		#region Constructor
		/// <summary>
		/// Create mission
		/// </summary>
		public Mission()
		{
			//TODO: load textures?
		} // Mission()
		#endregion

		#region Show hud controls
		/// <summary>
		/// Show hud controls
		/// </summary>
		private void ShowHudControls()
		{
			Rectangle rect =
				BaseGame.CalcRectangleKeep4To3(hudTopTexture.GfxRectangle);
#if XBOX360
			// Make it 7% smaller!
			rect.X = (int)(rect.X + BaseGame.Width * 0.035f);
			rect.Y = (int)(rect.Y + BaseGame.Height * 0.035f);
			rect.Width = (int)(rect.Width * 0.93f);
			//rect.Height = (int)(rect.Height * 0.93f);
#endif
			// Render top hud part
			hudTopTexture.RenderOnScreen(
				rect, hudTopTexture.GfxRectangle);

			// Time
			BaseGame.NumbersFont.WriteTime(
				rect.X + (int)(73 * rect.Width / 1024.0f),
				rect.Y + BaseGame.YToRes(8),
				(int)Player.gameTimeMs);
			// Score
			BaseGame.NumbersFont.WriteNumberCentered(
				rect.X + (int)(485 * rect.Width / 1024.0f),
				rect.Y + BaseGame.YToRes(8),
				Player.score);
			// Highscore
			BaseGame.NumbersFont.WriteNumberCentered(
				rect.X + (int)(920 * rect.Width / 1024.0f),
				rect.Y + BaseGame.YToRes(8),
				Highscores.TopHighscore);

			// Render bottom hud part
			Rectangle bottomHudGfxRect = new Rectangle(0, 25, 1024, 39);
			rect = BaseGame.CalcRectangleKeep4To3(bottomHudGfxRect);
			rect.Y = BaseGame.YToRes(768 - 40);
#if XBOX360
			// Make it 10% smaller!
			rect.X = (int)(rect.X + BaseGame.Width * 0.035f);
			rect.Y = (int)(rect.Y - BaseGame.Height * 0.035f);
			rect.Width = (int)(rect.Width * 0.93f);
			//rect.Height = (int)(rect.Height * 0.93f);
#endif
			hudBottomTexture.RenderOnScreen(
				rect, bottomHudGfxRect);
			// Health
			//tst: Player.health = 0.35f;
			Rectangle healthGfxRect = new Rectangle(50, 0, 361, 24);
			healthGfxRect = new Rectangle(healthGfxRect.X, healthGfxRect.Y,
				(int)(healthGfxRect.Width * Player.health), healthGfxRect.Height);
			hudBottomTexture.RenderOnScreen(
				//Relative4To3(50, 768 - 31,
				new Rectangle(
				rect.X + (int)(50 * rect.Width / 1024.0f),
				rect.Bottom - BaseGame.YToRes(31),
				(int)(healthGfxRect.Width * rect.Width / 1024.0f),
				BaseGame.YToRes(24)),
				healthGfxRect);
			// Weapon and Emps!
			Rectangle weaponMgGfxRect = new Rectangle(876, 0, 31, 24);
			Rectangle weaponGattlingGfxRect = new Rectangle(909, 0, 27, 24);
			Rectangle weaponPlasmaGfxRect = new Rectangle(939, 0, 33, 24);
			Rectangle weaponRocketsGfxRect = new Rectangle(975, 0, 24, 24);
			Rectangle weaponEmpGfxRect = new Rectangle(1001, 0, 23, 24);
			int xPos = rect.X + (int)(606 * rect.Width / 1024.0f);
			int yPos = rect.Bottom - BaseGame.YToRes(20) -
				TextureFont.Height / 3;
			TextureFont.WriteText(xPos, yPos, "Weapon: ");
			// Show weapon icon!
			//tst: Player.currentWeapon = Player.WeaponTypes.Gattling;
			Rectangle weaponRect =
				Player.currentWeapon == Player.WeaponTypes.MG ? weaponMgGfxRect :
				Player.currentWeapon == Player.WeaponTypes.Gattling ? weaponGattlingGfxRect :
				Player.currentWeapon == Player.WeaponTypes.Plasma ? weaponPlasmaGfxRect :
				weaponRocketsGfxRect;
			hudBottomTexture.RenderOnScreen(
				new Rectangle(
				rect.X + (int)(715 * rect.Width / 1024.0f),
				rect.Bottom - BaseGame.YToRes(30),
				(int)((weaponRect.Width - 2) * rect.Width / 1024.0f),
				BaseGame.YToRes(weaponRect.Height - 2)),
				weaponRect);
			// And weapon name
			xPos += BaseGame.XToRes(747 - 606);
			TextureFont.WriteText(xPos, yPos, Player.currentWeapon.ToString());
			xPos += BaseGame.XToRes(854 - 747);
			TextureFont.WriteText(xPos, yPos, "EMPs: ");
			// Show emp icons if we have any
			//tst:Player.empBombs = 3;
			xPos = rect.Right - BaseGame.XToRes(1024 - 932);
			yPos = rect.Y + BaseGame.YToRes(10);// (int)((768 - 31) * rect.Height / 768.0f);
			for (int num = 0; num < Player.empBombs; num++)
				hudBottomTexture.RenderOnScreen(
					new Rectangle(xPos + BaseGame.XToRes(24 * num), yPos,
					BaseGame.XToRes(weaponEmpGfxRect.Width),
					BaseGame.XToRes(weaponEmpGfxRect.Height)),
					weaponEmpGfxRect);
		} // ShowHudControls()
		#endregion

		#region Run
		/// <summary>
		/// Run game screen. Called each frame.
		/// </summary>
		/// <param name="game">Form for access to asteroid manager and co</param>
		public void Run(YourGame game)
		{
			// Make sure the textures are linked correctly
			hudTopTexture = game.hudTopTexture;
			hudBottomTexture = game.hudBottomTexture;

			// Enable alpha blending for all controls
			BaseGame.EnableAlphaBlending();

			// Kill background
			BaseGame.Device.Clear(Color.Black);

			// Show hud
			ShowHudControls();

			//TODO: handle game logic here and display landscape, ships, effects, etc.

			// End game if escape was pressed or game is over and space or mouse
			// button was pressed.
			if (Input.KeyboardEscapeJustPressed ||
				Input.GamePadBackJustPressed ||
				(Player.GameOver &&
				(Input.Keyboard.IsKeyDown(Keys.Space) ||
				Input.GamePadAPressed ||
				Input.GamePadBPressed ||
				Input.GamePadXPressed ||
				Input.GamePadXPressed ||
				Input.MouseLeftButtonPressed)))
			{
				//TODO: quit game

				// Quit to the main menu
				quit = true;
			} // if
		} // Run(game)
		#endregion
	} // class Mission
} // namespace XnaGraphicEngine.GameScreens