2 files changed, 195 insertions, 0 deletions
diff --git a/src/main/java/gregtech/api/graphs/paths/NodePath.java b/src/main/java/gregtech/api/graphs/paths/NodePath.java
new file mode 100644
index 0000000000..0e852bd484
--- /dev/null
+++ b/src/main/java/gregtech/api/graphs/paths/NodePath.java
@@ -0,0 +1,42 @@
+package gregtech.api.graphs.paths;
+
+import gregtech.api.graphs.Lock;
+import gregtech.api.metatileentity.BaseMetaPipeEntity;
+import gregtech.api.metatileentity.MetaPipeEntity;
+
+// to contain all info about the path between nodes
+public class NodePath {
+
+    protected MetaPipeEntity[] mPipes;
+    public Lock lock = new Lock();
+
+    public NodePath(MetaPipeEntity[] aCables) {
+        this.mPipes = aCables;
+        processPipes();
+    }
+
+    protected void processPipes() {
+        for (MetaPipeEntity tPipe : mPipes) {
+            BaseMetaPipeEntity basePipe = (BaseMetaPipeEntity) tPipe.getBaseMetaTileEntity();
+            basePipe.setNodePath(this);
+        }
+    }
+
+    public void clearPath() {
+        for (MetaPipeEntity mPipe : mPipes) {
+            BaseMetaPipeEntity tBasePipe = (BaseMetaPipeEntity) mPipe.getBaseMetaTileEntity();
+            if (tBasePipe != null) {
+                tBasePipe.setNodePath(null);
+            }
+        }
+    }
+
+    public void reloadLocks() {
+        for (MetaPipeEntity pipe : mPipes) {
+            BaseMetaPipeEntity basePipe = (BaseMetaPipeEntity) pipe.getBaseMetaTileEntity();
+            if (basePipe != null) {
+                basePipe.reloadLocks();
+            }
+        }
+    }
+}
diff --git a/src/main/java/gregtech/api/graphs/paths/PowerNodePath.java b/src/main/java/gregtech/api/graphs/paths/PowerNodePath.java
new file mode 100644
index 0000000000..8a869c333e
--- /dev/null
+++ b/src/main/java/gregtech/api/graphs/paths/PowerNodePath.java
@@ -0,0 +1,153 @@
+package gregtech.api.graphs.paths;
+
+import net.minecraft.server.MinecraftServer;
+
+import gregtech.api.enums.TickTime;
+import gregtech.api.metatileentity.BaseMetaPipeEntity;
+import gregtech.api.metatileentity.MetaPipeEntity;
+import gregtech.api.metatileentity.implementations.GT_MetaPipeEntity_Cable;
+import gregtech.api.util.AveragePerTickCounter;
+
+// path for cables
+// all calculations like amp and voltage happens here
+public class PowerNodePath extends NodePath {
+
+    long mMaxAmps;
+    long mAmps = 0;
+    long mLoss;
+    long mVoltage = 0;
+    long mMaxVoltage;
+    int mTick = 0;
+    boolean mCountUp = true;
+
+    private AveragePerTickCounter avgAmperageCounter = new AveragePerTickCounter(TickTime.SECOND);
+    private AveragePerTickCounter avgVoltageCounter = new AveragePerTickCounter(TickTime.SECOND);
+
+    public PowerNodePath(MetaPipeEntity[] aCables) {
+        super(aCables);
+    }
+
+    public long getLoss() {
+        return mLoss;
+    }
+
+    public void applyVoltage(long aVoltage, boolean aCountUp) {
+
+        avgVoltageCounter.addValue(Math.max(aVoltage - mLoss, 0));
+
+        int tNewTime = MinecraftServer.getServer()
+            .getTickCounter();
+        if (mTick != tNewTime) {
+            reset(tNewTime - mTick);
+            mTick = tNewTime;
+            this.mVoltage = aVoltage;
+            this.mCountUp = aCountUp;
+        } else if (this.mCountUp != aCountUp && (aVoltage - mLoss) > this.mVoltage || aVoltage > this.mVoltage) {
+            this.mCountUp = aCountUp;
+            this.mVoltage = aVoltage;
+        }
+        if (aVoltage > mMaxVoltage) {
+            lock.addTileEntity(null);
+            for (MetaPipeEntity tCable : mPipes) {
+                if (((GT_MetaPipeEntity_Cable) tCable).mVoltage < this.mVoltage) {
+                    BaseMetaPipeEntity tBaseCable = (BaseMetaPipeEntity) tCable.getBaseMetaTileEntity();
+                    if (tBaseCable != null) {
+                        tBaseCable.setToFire();
+                    }
+                }
+            }
+        }
+    }
+
+    private void reset(int aTimePassed) {
+        if (aTimePassed < 0 || aTimePassed > 100) {
+            mAmps = 0;
+            return;
+        }
+        mAmps = Math.max(0, mAmps - (mMaxAmps * aTimePassed));
+    }
+
+    public void addAmps(long aAmps) {
+
+        avgAmperageCounter.addValue(aAmps);
+
+        this.mAmps += aAmps;
+        if (this.mAmps > mMaxAmps * 40) {
+            lock.addTileEntity(null);
+            for (MetaPipeEntity tCable : mPipes) {
+                if (((GT_MetaPipeEntity_Cable) tCable).mAmperage * 40 < this.mAmps) {
+                    BaseMetaPipeEntity tBaseCable = (BaseMetaPipeEntity) tCable.getBaseMetaTileEntity();
+                    if (tBaseCable != null) {
+                        tBaseCable.setToFire();
+                    }
+                }
+            }
+        }
+    }
+
+    // if no amps pass through for more than 0.5 second reduce them to minimize wrong results
+    // but still allow the player to see if activity is happening
+    @Deprecated
+    public long getAmps() {
+        int tTime = MinecraftServer.getServer()
+            .getTickCounter() - 10;
+        if (mTick < tTime) {
+            reset(tTime - mTick);
+            mTick = tTime;
+        }
+        return mAmps;
+    }
+
+    @Deprecated
+    public long getVoltage(MetaPipeEntity aCable) {
+        int tLoss = 0;
+        if (mCountUp) {
+            for (MetaPipeEntity mPipe : mPipes) {
+                GT_MetaPipeEntity_Cable tCable = (GT_MetaPipeEntity_Cable) mPipe;
+                tLoss += tCable.mCableLossPerMeter;
+                if (aCable == tCable) {
+                    return Math.max(mVoltage - tLoss, 0);
+                }
+            }
+        } else {
+            for (int i = mPipes.length - 1; i >= 0; i--) {
+                GT_MetaPipeEntity_Cable tCable = (GT_MetaPipeEntity_Cable) mPipes[i];
+                tLoss += tCable.mCableLossPerMeter;
+                if (aCable == tCable) {
+                    return Math.max(mVoltage - tLoss, 0);
+                }
+            }
+        }
+        return -1;
+    }
+
+    public long getAmperage() {
+        return avgAmperageCounter.getLast();
+    }
+
+    public double getAvgAmperage() {
+        return avgAmperageCounter.getAverage();
+    }
+
+    public long getVoltage() {
+        return avgVoltageCounter.getLast();
+    }
+
+    public double getAvgVoltage() {
+        return avgVoltageCounter.getAverage();
+    }
+
+    @Override
+    protected void processPipes() {
+        super.processPipes();
+        mMaxAmps = Integer.MAX_VALUE;
+        mMaxVoltage = Integer.MAX_VALUE;
+        for (MetaPipeEntity tCable : mPipes) {
+            if (tCable instanceof GT_MetaPipeEntity_Cable) {
+                mMaxAmps = Math.min(((GT_MetaPipeEntity_Cable) tCable).mAmperage, mMaxAmps);
+                mLoss += ((GT_MetaPipeEntity_Cable) tCable).mCableLossPerMeter;
+                mMaxVoltage = Math.min(((GT_MetaPipeEntity_Cable) tCable).mVoltage, mMaxVoltage);
+            }
+        }
+    }
+}