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f8aec187 BB |
1 | using System; |
2 | using System.Collections.Generic; | |
3 | using System.Linq; | |
4 | using System.Text; | |
5 | using Microsoft.Xna.Framework; | |
6 | using Microsoft.Xna.Framework.Graphics; | |
7 | ||
8 | namespace SuperPolarity | |
9 | { | |
10 | static class ActorManager | |
11 | { | |
38c7d3f9 | 12 | |
74c15570 | 13 | static SuperPolarity Game; |
38c7d3f9 | 14 | static int OutlierBounds; |
74c15570 | 15 | static IList<Actor> Actors; |
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16 | |
17 | static ActorManager() | |
18 | { | |
38c7d3f9 | 19 | OutlierBounds = 100; |
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20 | Actors = new List<Actor>(); |
21 | } | |
22 | ||
23 | static public void CheckIn(Actor actor) | |
24 | { | |
25 | Actors.Add(actor); | |
26 | } | |
27 | ||
28 | static public void CheckOut(Actor actor) | |
29 | { | |
b587e9d8 | 30 | actor.CleanUp(); |
f8aec187 | 31 | Actors.Remove(actor); |
b587e9d8 | 32 | actor = null; |
f8aec187 BB |
33 | } |
34 | ||
35 | static public void Update(GameTime gameTime) | |
36 | { | |
2af83e98 | 37 | CheckActors(); |
38c7d3f9 | 38 | CheckOutliers(); |
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39 | foreach (Actor actor in Actors) |
40 | { | |
41 | actor.Update(gameTime); | |
42 | } | |
43 | } | |
44 | ||
45 | static public void Draw(SpriteBatch spriteBatch) | |
46 | { | |
47 | foreach (Actor actor in Actors) | |
48 | { | |
49 | actor.Draw(spriteBatch); | |
50 | } | |
51 | } | |
2af83e98 BB |
52 | |
53 | static void CheckActors() | |
54 | { | |
74c15570 | 55 | for (var i = Actors.Count - 1; i >= 0; i--) |
2af83e98 | 56 | { |
74c15570 BB |
57 | if (i >= Actors.Count) { |
58 | i = Actors.Count - 1; | |
59 | } | |
b587e9d8 BB |
60 | |
61 | if (Actors.Count == 0) | |
62 | { | |
63 | return; | |
64 | } | |
65 | ||
74c15570 BB |
66 | Actor actor = Actors[i]; |
67 | for (var j = i - 1; j >= 0; j--) | |
2af83e98 | 68 | { |
74c15570 BB |
69 | Actor other = Actors[j]; |
70 | ||
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71 | if (actor.Collides && other.Collides) { |
72 | CheckCollision(actor, other); | |
73 | } | |
2af83e98 BB |
74 | |
75 | if (actor.GetType().IsSubclassOf(typeof(Ship)) && other.GetType().IsSubclassOf(typeof(Ship))) | |
76 | { | |
77 | CheckMagnetism((Ship)actor, (Ship)other); | |
78 | } | |
79 | } | |
80 | } | |
81 | } | |
82 | ||
83 | static void CheckCollision(Actor actor, Actor other) | |
84 | { | |
74c15570 BB |
85 | var collision = Rectangle.Intersect(actor.Box, other.Box); |
86 | var inverseCollision = Rectangle.Intersect(other.Box, actor.Box); | |
87 | if (!collision.IsEmpty && !actor.Dying && !other.Dying) | |
88 | { | |
89 | actor.Collide(other, collision); | |
90 | other.Collide(actor, inverseCollision); | |
91 | } | |
2af83e98 BB |
92 | |
93 | } | |
94 | ||
95 | static void CheckMagnetism(Ship actor, Ship other) | |
96 | { | |
97 | if (actor.CurrentPolarity != Ship.Polarity.Neutral && other.CurrentPolarity != Ship.Polarity.Neutral) | |
98 | { | |
99 | var dy = other.Position.Y - actor.Position.Y; | |
100 | var dx = other.Position.X - actor.Position.X; | |
101 | var linearDistance = Math.Sqrt(Math.Pow(dx, 2) + Math.Pow(dy, 2)); | |
102 | var angle = (float) Math.Atan2(dy, dx); | |
38c7d3f9 | 103 | var otherAngle = (float)Math.Atan2(-dy, -dx); |
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104 | |
105 | if (linearDistance < actor.MagneticRadius || linearDistance < other.MagneticRadius) | |
106 | { | |
107 | actor.Magnetize(other, (float)linearDistance, angle); | |
38c7d3f9 | 108 | other.Magnetize(actor, (float)linearDistance, otherAngle); |
2af83e98 BB |
109 | } |
110 | } | |
111 | } | |
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112 | |
113 | static void CheckOutliers() | |
114 | { | |
115 | for (var i = Actors.Count; i > 0; i--) | |
116 | { | |
117 | var actor = Actors[i-1]; | |
118 | if (actor.Position.X < -OutlierBounds || actor.Position.Y < -OutlierBounds || | |
119 | actor.Position.X > Game.GraphicsDevice.Viewport.Width + OutlierBounds || | |
120 | actor.Position.Y > Game.GraphicsDevice.Viewport.Height + OutlierBounds) | |
121 | { | |
122 | CheckOut(actor); | |
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123 | if (actor.Parent != null) |
124 | { | |
125 | actor.Parent.Children.Remove(actor); | |
126 | } | |
38c7d3f9 BB |
127 | } |
128 | } | |
129 | } | |
130 | ||
b587e9d8 BB |
131 | static public void Empty() |
132 | { | |
133 | foreach (Actor actor in Actors) { | |
134 | actor.CleanUp(); | |
135 | } | |
136 | Actors.Clear(); | |
137 | } | |
138 | ||
74c15570 | 139 | internal static void SetGame(SuperPolarity game) |
38c7d3f9 BB |
140 | { |
141 | Game = game; | |
142 | } | |
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143 | |
144 | public static void Bomb() | |
145 | { | |
146 | for (var i = Actors.Count - 1; i >= 0; i--) | |
147 | { | |
148 | var actor = Actors[i]; | |
149 | if (actor.GetType() == typeof(StandardShip)) | |
150 | { | |
151 | CheckOut(actor); | |
152 | Renderer.CheckOut(actor); | |
153 | } | |
154 | } | |
155 | } | |
156 | ||
157 | public static int CountBaddies() | |
158 | { | |
159 | return Actors.Where(a => a.GetType() == typeof(StandardShip)).Count(); | |
160 | } | |
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161 | } |
162 | } |