/*     */ package NET.worlds.scape;
/*     */ 
/*     */ import NET.worlds.core.Std;
/*     */ import java.io.IOException;
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ 
/*     */ public class GravityAction
/*     */   extends Action
/*     */ {
/*  20 */   public float cycleTime = 0.0F;
/*     */   int startTime;
/*  22 */   public int force = 300;
/*  23 */   public float xDest = 0.0F;
/*  24 */   public float yDest = 0.0F;
/*  25 */   public float zDest = 0.0F;
/*     */   
/*     */   static final float epsilon = 2.0F;
/*     */   int lastFrameTime;
/*  29 */   float initialDistance = 0.0F;
/*     */   
/*     */   Point3 initialPoint;
/*  32 */   protected boolean gravityEnd = true;
/*     */   
/*     */ 
/*     */ 
/*     */   public void startGravity()
/*     */   {
/*  38 */     this.startTime = Std.getRealTime();
/*     */     
/*  40 */     this.gravityEnd = false;
/*  41 */     this.lastFrameTime = 0;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */   private float distance(float tx, float ty, float tz, float cx, float cy, float cz)
/*     */   {
/*  48 */     float dx = tx - cx;
/*  49 */     float dy = ty - cy;
/*  50 */     float dz = tz - cz;
/*     */     
/*  52 */     float dist = (float)Math.sqrt(dx * dx + dy * dy + dz * dz);
/*     */     
/*  54 */     return dist;
/*     */   }
/*     */   
/*     */   public void doGravity(Pilot pilotObject, WObject o)
/*     */   {
/*  59 */     int currentFrameTime = Std.getRealTime();
/*     */     
/*  61 */     float r = distance(pilotObject.getX(), pilotObject.getY(), 
/*  62 */       pilotObject.getZ(), o.getX(), o.getY(), o.getZ());
/*  63 */     if (this.lastFrameTime == 0) {
/*  64 */       this.lastFrameTime = currentFrameTime;
/*     */     }
/*  66 */     float distanceTraveled = distance(this.initialPoint.x, this.initialPoint.y, 
/*  67 */       this.initialPoint.z, pilotObject.getX(), pilotObject.getY(), 
/*  68 */       pilotObject.getZ());
/*     */     
/*     */ 
/*     */ 
/*     */ 
/*  73 */     this.initialDistance = distance(this.initialPoint.x, this.initialPoint.y, 
/*  74 */       this.initialPoint.z, o.getX(), o.getY(), o.getZ());
/*     */     
/*  76 */     if ((r > 2.0F) && (distanceTraveled <= this.initialDistance)) {
/*  77 */       float dx = o.getX() - pilotObject.getX();
/*  78 */       if (dx != 0.0D) {
/*  79 */         float new_dx = (currentFrameTime - this.lastFrameTime) * this.force * dx / (
/*  80 */           r * r);
/*  81 */         if (Math.abs(new_dx) < Math.abs(dx)) {
/*  82 */           dx = new_dx;
/*     */         }
/*     */       }
/*  85 */       float dy = o.getY() - pilotObject.getY();
/*  86 */       if (dy != 0.0D) {
/*  87 */         float new_dy = (currentFrameTime - this.lastFrameTime) * this.force * dy / (
/*  88 */           r * r);
/*  89 */         if (Math.abs(new_dy) < Math.abs(dy)) {
/*  90 */           dy = new_dy;
/*     */         }
/*     */       }
/*  93 */       float dz = o.getZ() - pilotObject.getZ();
/*  94 */       if (dz != 0.0D) {
/*  95 */         float new_dz = (currentFrameTime - this.lastFrameTime) * this.force * dz / (
/*  96 */           r * r);
/*  97 */         if (Math.abs(new_dz) < Math.abs(dz)) {
/*  98 */           dz = new_dz;
/*     */         }
/*     */       }
/*     */       
/* 102 */       pilotObject.moveBy(dx, dy, dz);
/*     */ 
/*     */     }
/*     */     else
/*     */     {
/*     */ 
/* 108 */       pilotObject.moveTo(o.getX(), o.getY(), o.getZ());
/* 109 */       this.gravityEnd = true;
/*     */     }
/*     */     
/* 112 */     this.lastFrameTime = currentFrameTime;
/*     */   }
/*     */   
/*     */   public Persister trigger(Event e, Persister seqID)
/*     */   {
/* 117 */     Object owner = getOwner();
/* 118 */     if ((owner == null) || (!(owner instanceof WObject))) {
/* 119 */       return null;
/*     */     }
/* 121 */     WObject o = (WObject)owner;
/*     */     
/* 123 */     Pilot pilot = Pilot.getActive();
/* 124 */     if (pilot == null) {
/* 125 */       return null;
/*     */     }
/*     */     
/* 128 */     if (pilot.getRoom() != o.getRoom()) {
/* 129 */       if ((this.gravityEnd) && ((pilot instanceof HoloPilot))) {
/* 130 */         HoloPilot hp = (HoloPilot)pilot;
/* 131 */         hp.returnSmoothDriver();
/*     */       }
/* 133 */       return null;
/*     */     }
/*     */     
/* 136 */     if (this.gravityEnd) {
/* 137 */       startGravity();
/* 138 */       if ((pilot instanceof HoloPilot)) {
/* 139 */         HoloPilot hp = (HoloPilot)pilot;
/* 140 */         hp.removeSmoothDriver();
/*     */         
/* 142 */         this.initialPoint = new Point3(pilot.getPosition());
/* 143 */         this.initialDistance = distance(this.initialPoint.x, this.initialPoint.y, 
/* 144 */           this.initialPoint.z, o.getX(), o.getY(), o.getZ());
/*     */       }
/*     */     }
/*     */     
/*     */ 
/* 149 */     doGravity(pilot, o);
/*     */     
/* 151 */     if (this.gravityEnd) {
/* 152 */       if ((pilot instanceof HoloPilot)) {
/* 153 */         HoloPilot hp = (HoloPilot)pilot;
/* 154 */         hp.returnSmoothDriver();
/*     */       }
/* 156 */       return null;
/*     */     }
/*     */     
/* 159 */     return this;
/*     */   }
/*     */   
/*     */ 
/*     */ 
/*     */ 
/*     */   public Object properties(int index, int offset, int mode, Object value)
/*     */     throws NoSuchPropertyException
/*     */   {
/* 168 */     Object ret = null;
/* 169 */     switch (index - offset) {
/*     */     case 0: 
/* 171 */       if (mode == 0) {
/* 172 */         ret = IntegerPropertyEditor.make(new Property(this, index, 
/* 173 */           "Force"));
/* 174 */       } else if (mode == 1) {
/* 175 */         ret = new Integer(this.force);
/* 176 */       } else if (mode == 2)
/* 177 */         this.force = ((Integer)value).intValue();
/* 178 */       break;
/*     */     default: 
/* 180 */       ret = super.properties(index, offset + 1, mode, value);
/*     */     }
/* 182 */     return ret;
/*     */   }
/*     */   
/*     */   public String toString()
/*     */   {
/* 187 */     return super.toString() + "[Force " + this.force + "]";
/*     */   }
/*     */   
/* 190 */   private static Object classCookie = new Object();
/*     */   
/*     */   public void saveState(Saver s) throws IOException
/*     */   {
/* 194 */     s.saveVersion(4, classCookie);
/* 195 */     super.saveState(s);
/* 196 */     s.saveInt(this.force);
/*     */   }
/*     */   
/*     */   public void restoreState(Restorer r) throws IOException, TooNewException
/*     */   {
/* 201 */     switch (r.restoreVersion(classCookie)) {
/*     */     case 0: 
/* 203 */       super.restoreState(r);
/* 204 */       r.restore();
/* 205 */       this.cycleTime = r.restoreFloat();
/* 206 */       this.force = r.restoreInt();
/* 207 */       break;
/*     */     case 1: 
/* 209 */       super.restoreState(r);
/* 210 */       this.cycleTime = r.restoreFloat();
/* 211 */       this.force = r.restoreInt();
/* 212 */       break;
/*     */     case 2: 
/* 214 */       super.restoreState(r);
/* 215 */       this.cycleTime = r.restoreFloat();
/* 216 */       this.force = r.restoreInt();
/* 217 */       this.xDest = r.restoreFloat();
/* 218 */       this.yDest = r.restoreFloat();
/* 219 */       break;
/*     */     case 3: 
/* 221 */       super.restoreState(r);
/* 222 */       this.force = r.restoreInt();
/* 223 */       this.xDest = r.restoreFloat();
/* 224 */       this.yDest = r.restoreFloat();
/* 225 */       this.zDest = r.restoreFloat();
/* 226 */       break;
/*     */     case 4: 
/* 228 */       super.restoreState(r);
/* 229 */       this.force = r.restoreInt();
/* 230 */       break;
/*     */     default: 
/* 232 */       throw new TooNewException();
/*     */     }
/*     */   }
/*     */ }


/* Location:              C:\Program Files (x86)\Worlds Inc\WorldsPlayer - Win7\lib\worlds.jar!\NET\worlds\scape\GravityAction.class
 * Java compiler version: 6 (50.0)
 * JD-Core Version:       0.7.1
 */