130 lines
4.4 KiB
C#
130 lines
4.4 KiB
C#
using System;
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using System.Collections.Generic;
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using Axios.Engine.Interfaces;
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using FarseerPhysics.Common;
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using FarseerPhysics.Common.Decomposition;
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using FarseerPhysics.Common.PolygonManipulation;
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using FarseerPhysics.Dynamics;
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using FarseerPhysics.Factories;
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using FarseerPhysics.SamplesFramework;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace Axios.Engine
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{
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public abstract class SimpleDrawableAxiosGameObject : SimpleAxiosGameObject, IDrawableAxiosGameObject
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{
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protected Texture2D Texture;
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protected Boolean _adjustunits = true;
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protected Boolean _relativetocamera = true;
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protected int _draworder;
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protected bool _visible = true;
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public bool Visible
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{
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get { return _visible; }
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set { this._visible = value; }
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}
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public SimpleDrawableAxiosGameObject()
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{
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this.BodyPart = new Body();
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this.Position = new Vector2();
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this.Origin = new Vector2();
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}
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public override void LoadContent(AxiosGameScreen gameScreen)
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{
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base.LoadContent(gameScreen);
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}
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public virtual void Draw(AxiosGameScreen gameScreen, GameTime gameTime)
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{
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if (_visible)
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{
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if (_relativetocamera)
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gameScreen.ScreenManager.SpriteBatch.Begin(0, null, null, null, null, null, gameScreen.Camera.View);
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else
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gameScreen.ScreenManager.SpriteBatch.Begin();
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if (_adjustunits)
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DrawObject(gameScreen.ScreenManager.SpriteBatch, Texture, BodyPart, Origin, true, _scale);
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else
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DrawObject(gameScreen.ScreenManager.SpriteBatch, Texture, BodyPart, Origin, _scale);
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gameScreen.ScreenManager.SpriteBatch.End();
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}
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}
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protected void DrawObject(SpriteBatch sb, Texture2D texture, Body body, Vector2 origin)
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{
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DrawObject(sb, texture, body, origin, false, _scale);
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}
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protected void DrawObject(SpriteBatch sb, Texture2D texture, Body body, Vector2 origin, float scale)
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{
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DrawObject(sb, texture, body, origin, false, scale);
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}
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protected void DrawObject(SpriteBatch sb, Texture2D texture, Body body, Vector2 origin, bool Convertunits, float scale)
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{
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if (Convertunits)
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sb.Draw(texture, ConvertUnits.ToDisplayUnits(body.Position),
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null,
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Color.White, body.Rotation, origin, scale,
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SpriteEffects.None, 0);
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else
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sb.Draw(texture, body.Position,
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null,
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Color.White, body.Rotation, origin, scale,
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SpriteEffects.None, 0f);
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}
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public int DrawOrder
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{
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get
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{
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return this._draworder;
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}
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set
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{
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this._draworder = value;
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}
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}
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public void CreateBodyFromTexture(AxiosGameScreen gameScreen)
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{
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if (this.Texture != null)
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{
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uint[] data = new uint[this.Texture.Width * this.Texture.Height];
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this.Texture.GetData<uint>(data);
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Vertices vertices = PolygonTools.CreatePolygon(data, this.Texture.Width, false);
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Vector2 vector = -vertices.GetCentroid();
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vertices.Translate(ref vector);
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this.Origin = -vector;
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List<Vertices> list = BayazitDecomposer.ConvexPartition(SimplifyTools.ReduceByDistance(vertices, 4f));
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this._scale = 1f;
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Vector2 vector2 = (Vector2)(new Vector2(ConvertUnits.ToSimUnits(1)) * this._scale);
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foreach (Vertices vertices2 in list)
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{
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vertices2.Scale(ref vector2);
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}
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this.BodyPart = BodyFactory.CreateCompoundPolygon(gameScreen.World, list, 1f, BodyType.Dynamic);
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this.BodyPart.BodyType = BodyType.Dynamic;
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this.BodyPart.Position = this.Position;
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this.BodyPart.UserData = this;
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this.BodyPart.CollidesWith = Category.All;
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this.BodyPart.CollisionCategories = Category.All;
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}
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}
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}
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}
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