fix: vehicle stops at low speed

CHANGELOG-SNAPSHOTS.md

@@ -26,6 +26,7 @@ The changelog for 2.0.23 and earlier is generated by [anatawa12's fork of `auto-
 - Directory based ModelPacks not working `#677`
 - Getting onto bogie of moving train may drive train opposite direction `#680`
   - This also reverts `#633` because it's broken for long train
+- Slow trains will get too slow `#681`
 
 ### Security
 

CHANGELOG.md

@@ -49,6 +49,7 @@ Thanks to prepare-changelog.sh, we have some macros.
   - we don't need to remove original signature of `RenderElectricalWiring.renderAllWire`
 - Directory based ModelPacks not working `#677`
 - Getting onto bogie of moving train may drive train opposite direction `#680`
+- Slow trains will get too slow `#681`
 
 ### Security
 

src/main/rtm-patches/jp/ngt/rtm/entity/train/EntityBogie.java.patch

@@ -1,19 +1,31 @@
 --- a/jp/ngt/rtm/entity/train/EntityBogie.java
 +++ b/jp/ngt/rtm/entity/train/EntityBogie.java
-@@ -126,11 +126,11 @@
+@@ -44,10 +44,11 @@
+    private TileEntityLargeRailCore currentRailObj;
+    private RailMap currentRailMap;
+    private final double[] posBuf = new double[3];
+    private final float[] rotationBuf = new float[4];
+    private int split = -1;
++   private static final int SPLITS_PER_METER = 360; //(Minimum Speed[km/h] / 3.6 / 20[tick])^-1 e.g. (0.2/3.6/20)^-1 = 360
+    private int prevPosIndex;
+    private float jointDelay;
+    private boolean reverbSound;
+    private int jointIndex;
+    private int existCount;
+@@ -126,11 +127,11 @@
              return BogieController.MotionState.FLY;
           } else {
              RailMap railmap = this.currentRailMap;
              int i = 0;
              if (frontBogie != null && this.prevPosIndex != -1) {
 -               int j = (int)((speed + 0.25F) * 32.0F);
-+               int j = (int)((Math.abs(speed) + 0.25F) * 32.0F);
++               int j = (int)((Math.abs(speed) + 0.25F) * SPLITS_PER_METER);
                 int k = this.prevPosIndex - j;
                 int l = this.prevPosIndex + j;
                 int i1 = k < 0 ? 0 : k;
                 int j1 = l > this.split ? this.split : l;
                 double[] adouble = frontBogie.getPosBuf();
-@@ -171,11 +171,11 @@
+@@ -171,11 +172,11 @@
                 this.rotationBuf[0] = f2;
                 this.rotationBuf[1] = f3;
                 this.rotationBuf[2] = f1;
@@ -26,7 +38,7 @@
                    }
                 }
 
-@@ -196,18 +196,20 @@
+@@ -196,19 +197,21 @@
        TileEntityLargeRailCore tileentitylargerailcore = this.getRail(px, py, pz);
        if (tileentitylargerailcore == null) {
           return false;
@@ -43,14 +55,16 @@
 +               railMap = tileentitylargerailcore.getRailMap(this);
              }
 
+-            this.split = (int)(this.currentRailMap.getLength() * 32.0D);
 +            this.currentRailObj = tileentitylargerailcore;
 +            this.currentRailMap = railMap;
-             this.split = (int)(this.currentRailMap.getLength() * 32.0D);
++            this.split = (int)(this.currentRailMap.getLength() * SPLITS_PER_METER);
              this.prevPosIndex = -1;
              this.onChangeRail(tileentitylargerailcore);
           }
 
-@@ -227,14 +229,17 @@
+          return true;
+@@ -227,14 +230,17 @@
        return null;
     }
 
@@ -72,7 +86,7 @@
     }
 
     protected boolean reverseJointArray() {
-@@ -245,13 +250,13 @@
+@@ -245,13 +251,13 @@
 
     protected void playJointSound() {
        EntityTrainBase entitytrainbase = this.getTrain();
@@ -88,7 +102,7 @@
              int j = this.reverseJointArray() ? i - this.jointIndex - 1 : this.jointIndex;
              ++this.jointIndex;
              int k = this.reverseJointArray() ? i - this.jointIndex - 1 : this.jointIndex;
-@@ -287,14 +292,23 @@
+@@ -287,14 +293,23 @@
 
     public final void onUpdate() {
        if (!this.world.isRemote && !this.tracked) {
@@ -112,7 +126,7 @@
     }
 
     public void onBogieUpdate() {
-@@ -309,11 +323,11 @@
+@@ -309,11 +324,11 @@
 
     }
 
@@ -125,7 +139,24 @@
 
     }
 
-@@ -491,10 +505,14 @@
+@@ -349,13 +364,14 @@
+
+    public boolean attackEntityFrom(DamageSource par1, float par2) {
+       if (this.getTrain() != null && !this.getTrain().isDead) {
+          return this.getTrain().attackEntityFrom(par1, par2);
+       } else {
+-         if (!this.world.isRemote) {
++         /*if (!this.world.isRemote) {
+             this.setDead();
+-         }
++         }*/
++         this.setDead();
+
+          return true;
+       }
+    }
+
+@@ -491,10 +507,14 @@
     public void addVelocity(double par1, double par3, double par5) {
     }
 
@@ -140,7 +171,7 @@
           }
        } else if (player.inventory.getCurrentItem() != null && player.inventory.getCurrentItem().getItem() == RTMItem.paddle) {
           return true;
-@@ -578,6 +596,18 @@
+@@ -578,6 +598,18 @@
     }
 
     public int getProhibitedAction() {