From 2eb9216eac3321adc2f897068396e7fb1f126089 Mon Sep 17 00:00:00 2001
From: Kyle <Kyle@92bb83a3-7c8f-8a45-bc97-515c4e399668>
Date: Tue, 13 Apr 2010 02:25:17 +0000
Subject: [PATCH] Initial commit.  Basic infrastructure done.

git-svn-id: https://bd85.net/svn/cs3505_group@66 92bb83a3-7c8f-8a45-bc97-515c4e399668
---
 .../CarFire/CharacterTestBed/Projectile.cs    | 112 ++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 CarFire/CarFire/CharacterTestBed/Projectile.cs

diff --git a/CarFire/CarFire/CharacterTestBed/Projectile.cs b/CarFire/CarFire/CharacterTestBed/Projectile.cs
new file mode 100644
index 0000000..a49476c
--- /dev/null
+++ b/CarFire/CarFire/CharacterTestBed/Projectile.cs
@@ -0,0 +1,112 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Graphics;
+using Microsoft.Xna.Framework.Input;
+
+namespace CarFire
+{
+    /// <summary>
+    /// This class represents a projectile object.
+    /// </summary>
+    public class Projectile
+    {
+        //Member Variables
+        Map theMap;
+        Vector2 velocity;
+        Texture2D projectileModel;
+        int damage;
+        int gridX;
+        int gridY;
+        //The pixel position should be the pixel position on the map.  When a projectile is drawn
+        //these will have to be transformed to the coordinate system that the drawable screen is using.
+        int pixelX;
+        int pixelY;
+   
+        /// <summary>
+        /// The Constructor for a projectile object.
+        /// </summary>
+        /// <param name="_currentMap">The map that this character will interact with</param>
+        /// <param name="_projectileModel">The model for this projectile</param>
+        /// <param name="_velocity">How fast the projectile moves</param>
+        /// <param name="_gridX">The starting X position in the map grid</param>
+        /// <param name="_gridY">The starting Y position in the map grid</param>
+        /// <param name="_pixelX">The absolute X pixel position on the map</param>
+        /// <param name="_pixelY"> The absolute Y pixel position on the map</param>
+        public Projectile(Map _currentMap,
+                            Texture2D _projectileModel,
+                            Vector2 _velocity,
+                            int _gridX,
+                            int _gridY,
+                            int _pixelX,
+                            int _pixelY)
+        {
+            theMap = _currentMap;
+            projectileModel = _projectileModel;
+            velocity = _velocity;
+            gridX = _gridX;
+            gridY = _gridY;
+            pixelX = _pixelX;
+            pixelY = _pixelY;
+        }
+        public void Update()
+        {
+            //See if something moved onto this projectile.
+            if(theMap.isOpenSquare(gridX, gridY))
+            {
+                theMap.damageSquare(gridX, gridY, damage);
+            }
+            //If the projectile will be moving to a new grid position we need to check to see if it is occupied.
+            if ((int)((pixelX + velocity.X) / theMap.gridToPixelRatio) != gridX || (int)((pixelY + velocity.Y) / Map.gridToPixelRatio) != gridY)
+            {
+                bool open = theMap.isOpenSquare((pixelX + velocity.X) / theMap.gridToPixelRatio, (pixelY + velocity.Y) / Map.gridToPixelRatio);
+                //If open just move this projectile there
+                //***Map doesn't need to know that this projectile is there because players/monsters are allowed
+                // to move into the path of projectiles.
+                if (open)
+                {
+                    pixelX += velocity.X;
+                    pixelY += velocity.Y;
+                    gridX = pixelX / theMap.gridToPixelRatio;
+                    gridY = pixelY / theMap.gridToPixelRatio;
+                }
+                //If the square isn't open then just damage whatever is there
+                //TODO: A projectile must be deleted after this happens
+                else
+                {
+                    theMap.damageSquare(gridX, gridY, damage);
+                }
+            }
+            //If it is not moving grid positions just increment pixelX and pixelY
+            else
+            {
+                pixelX += velocity.X;
+                pixelY += velocity.Y;
+            }
+            
+        }
+        /// <summary>
+        /// This method will draw a projectile to the screen
+        /// </summary>
+        /// <param name="spriteBatch"></param>
+        /// <param name="topLeftX">The map X pixel position of the topLeft of the display</param>
+        /// <param name="topLeftY">The map Y pixel position of the topLeft of the display</param>
+        public void Draw(SpriteBatch spriteBatch, int topLeftX, int topLeftY)
+        {
+            spriteBatch.Draw(projectileModel, new Vector2(topLeftX - pixelX, topLeftY - pixelY), null, Color.White, 0, new Vector2(0f, 0f), 1f, SpriteEffects.None, 0);
+        }
+
+        /// <summary>
+        /// Basic getters and setters
+        /// </summary>
+        public int GridX { get { return gridX; } set { gridX = value; } }
+        public int GridY { get { return gridY; } set { gridY = value; } }
+        public int PixelX { get { return pixelX; } set { pixelX = value; } }
+        public int PixelY { get { return pixelY; } set { pixelY = value; } }
+        public int Health { get { return health; } set { health = value; } }
+        public Map TheMap { get { return theMap; } set { theMap = value; } }
+    }
+}
-- 
2.45.2