AE2 Cable facade as cover (#887)

* initial work on facade covers

* fix colorMultiplier

also removed derp

* Clean up drop cover texture reset code

What was I thinking actually? Send a packet to reset client states?

* Fix cover display stack

2 files changed, 192 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/net/GT_Packet_RequestCoverData.java b/src/main/java/gregtech/api/net/GT_Packet_RequestCoverData.java
new file mode 100644
index 0000000000..93bc5eba72
--- /dev/null
+++ b/src/main/java/gregtech/api/net/GT_Packet_RequestCoverData.java
@@ -0,0 +1,102 @@
+package gregtech.api.net;
+
+import com.google.common.io.ByteArrayDataInput;
+import gregtech.api.GregTech_API;
+import gregtech.api.interfaces.tileentity.ICoverable;
+import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
+import gregtech.api.util.ISerializableObject;
+import io.netty.buffer.ByteBuf;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.network.INetHandler;
+import net.minecraft.network.NetHandlerPlayServer;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.World;
+import net.minecraftforge.common.DimensionManager;
+
+/**
+ * Client -> Server : ask for cover data
+ */
+public class GT_Packet_RequestCoverData extends GT_Packet_New {
+    protected int mX;
+    protected short mY;
+    protected int mZ;
+
+    protected byte side;
+    protected int coverID;
+
+    protected EntityPlayerMP mPlayer;
+
+    public GT_Packet_RequestCoverData() {
+        super(true);
+    }
+
+    public GT_Packet_RequestCoverData(int mX, short mY, int mZ, byte coverSide, int coverID) {
+        super(false);
+        this.mX = mX;
+        this.mY = mY;
+        this.mZ = mZ;
+
+        this.side = coverSide;
+        this.coverID = coverID;
+    }
+    public GT_Packet_RequestCoverData(byte coverSide, int coverID, ICoverable tile) {
+        super(false);
+        this.mX = tile.getXCoord();
+        this.mY = tile.getYCoord();
+        this.mZ = tile.getZCoord();
+
+        this.side = coverSide;
+        this.coverID = coverID;
+    }
+
+    @Override
+    public byte getPacketID() {
+        return 17;
+    }
+
+    @Override
+    public void encode(ByteBuf aOut) {
+        aOut.writeInt(mX);
+        aOut.writeShort(mY);
+        aOut.writeInt(mZ);
+
+        aOut.writeByte(side);
+        aOut.writeInt(coverID);
+    }
+
+    @Override
+    public GT_Packet_New decode(ByteArrayDataInput aData) {
+        return new GT_Packet_RequestCoverData(
+                aData.readInt(),
+                aData.readShort(),
+                aData.readInt(),
+
+                aData.readByte(),
+                aData.readInt()
+            );
+    }
+
+    @Override
+    public void setINetHandler(INetHandler aHandler) {
+        if (aHandler instanceof NetHandlerPlayServer) {
+            mPlayer = ((NetHandlerPlayServer) aHandler).playerEntity;
+        }
+    }
+
+    @Override
+    public void process(IBlockAccess aWorld) {
+        if (mPlayer == null) // impossible, but who knows
+            return;
+        World world = DimensionManager.getWorld(mPlayer.dimension);
+        if (world != null) {
+            TileEntity tile = world.getTileEntity(mX, mY, mZ);
+            if (tile instanceof IGregTechTileEntity) {
+                IGregTechTileEntity te = (IGregTechTileEntity) tile;
+                if (!te.isDead() && te.getCoverIDAtSide(side) == coverID) {
+                    te.issueCoverUpdate(side);
+                }
+            }
+        }
+    }
+}
diff --git a/src/main/java/gregtech/api/net/GT_Packet_SendCoverData.java b/src/main/java/gregtech/api/net/GT_Packet_SendCoverData.java
new file mode 100644
index 0000000000..3e1abac4e7
--- /dev/null
+++ b/src/main/java/gregtech/api/net/GT_Packet_SendCoverData.java
@@ -0,0 +1,90 @@
+package gregtech.api.net;
+
+import com.google.common.io.ByteArrayDataInput;
+import gregtech.api.GregTech_API;
+import gregtech.api.interfaces.tileentity.ICoverable;
+import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
+import gregtech.api.util.ISerializableObject;
+import io.netty.buffer.ByteBuf;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.World;
+import net.minecraftforge.common.DimensionManager;
+
+/**
+ * Server -> Client : Update cover data
+ */
+public class GT_Packet_SendCoverData extends GT_Packet_New {
+    protected int mX;
+    protected short mY;
+    protected int mZ;
+
+    protected byte side;
+    protected int coverID;
+    protected ISerializableObject coverData;
+
+    public GT_Packet_SendCoverData() {
+        super(true);
+    }
+
+    public GT_Packet_SendCoverData(int mX, short mY, int mZ, byte coverSide, int coverID, ISerializableObject coverData) {
+        super(false);
+        this.mX = mX;
+        this.mY = mY;
+        this.mZ = mZ;
+
+        this.side = coverSide;
+        this.coverID = coverID;
+        this.coverData = coverData;
+    }
+    public GT_Packet_SendCoverData(byte coverSide, int coverID, ISerializableObject coverData, ICoverable tile) {
+        super(false);
+        this.mX = tile.getXCoord();
+        this.mY = tile.getYCoord();
+        this.mZ = tile.getZCoord();
+
+        this.side = coverSide;
+        this.coverID = coverID;
+        this.coverData = coverData;
+    }
+
+    @Override
+    public byte getPacketID() {
+        return 16;
+    }
+
+    @Override
+    public void encode(ByteBuf aOut) {
+        aOut.writeInt(mX);
+        aOut.writeShort(mY);
+        aOut.writeInt(mZ);
+
+        aOut.writeByte(side);
+        aOut.writeInt(coverID);
+        coverData.writeToByteBuf(aOut);
+    }
+
+    @Override
+    public GT_Packet_New decode(ByteArrayDataInput aData) {
+        int coverId;
+        return new GT_Packet_SendCoverData(
+                aData.readInt(),
+                aData.readShort(),
+                aData.readInt(),
+
+                aData.readByte(),
+                coverId = aData.readInt(),
+                GregTech_API.getCoverBehaviorNew(coverId).createDataObject().readFromPacket(aData, null)
+            );
+    }
+
+    @Override
+    public void process(IBlockAccess aWorld) {
+        if (aWorld != null) {
+            TileEntity tile = aWorld.getTileEntity(mX, mY, mZ);
+            if (tile instanceof IGregTechTileEntity && !((IGregTechTileEntity) tile).isDead()) {
+                ((IGregTechTileEntity) tile).receiveCoverData(side, coverID, coverData, null);
+            }
+        }
+    }
+}