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-rw-r--r--src/Blocks/BlockDoor.cpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/Blocks/BlockDoor.cpp b/src/Blocks/BlockDoor.cpp
index 4e38ef334..479c68153 100644
--- a/src/Blocks/BlockDoor.cpp
+++ b/src/Blocks/BlockDoor.cpp
@@ -110,3 +110,87 @@ const char * cBlockDoorHandler::GetStepSound(void)
+
+NIBBLETYPE cBlockDoorHandler::MetaRotateCCW(NIBBLETYPE a_Meta)
+{
+ if (a_Meta & 0x08)
+ {
+ return a_Meta;
+ }
+ else
+ {
+ return super::MetaRotateCCW(a_Meta);
+ }
+}
+
+
+
+NIBBLETYPE cBlockDoorHandler::MetaRotateCW(NIBBLETYPE a_Meta)
+{
+ if (a_Meta & 0x08)
+ {
+ return a_Meta;
+ }
+ else
+ {
+ return super::MetaRotateCW(a_Meta);
+ }
+}
+
+
+
+NIBBLETYPE cBlockDoorHandler::MetaMirrorXY(NIBBLETYPE a_Meta)
+{
+ // Top bit (0x08) contains door panel type (Top/Bottom panel) Only Bottom panels contain position data
+ // Return a_Meta if panel is a top panel (0x08 bit is set to 1)
+
+ // Note: Currently, you can not properly mirror the hinges on a double door. The orientation of the door is stored
+ // in only the bottom tile while the hinge position is in the top tile. This function only operates on one tile at a time,
+ // so the function can only see either the hinge position or orientation, but not both, at any given time. The class itself
+ // needs extra datamembers.
+ if (a_Meta & 0x08) return a_Meta;
+
+ // Holds open/closed meta data. 0x0C == 1100.
+ NIBBLETYPE OtherMeta = a_Meta & 0x0C;
+
+ // Mirrors according to a table. 0x03 == 0011.
+ switch (a_Meta & 0x03)
+ {
+ case 0x03: return 0x01 + OtherMeta; // South -> North
+ case 0x01: return 0x03 + OtherMeta; // North -> South
+ }
+
+ // Not Facing North or South; No change.
+ return a_Meta;
+}
+
+
+
+NIBBLETYPE cBlockDoorHandler::MetaMirrorYZ(NIBBLETYPE a_Meta)
+{
+ // Top bit (0x08) contains door panel type (Top/Bottom panel) Only Bottom panels contain position data
+ // Return a_Meta if panel is a top panel (0x08 bit is set to 1)
+
+ // Note: Currently, you can not properly mirror the hinges on a double door. The orientation of the door is stored
+ // in only the bottom tile while the hinge position is in the top tile. This function only operates on one tile at a time,
+ // so the function can only see either the hinge position or orientation, but not both, at any given time.The class itself
+ // needs extra datamembers.
+
+ if (a_Meta & 0x08) return a_Meta;
+
+ // Holds open/closed meta data. 0x0C == 1100.
+ NIBBLETYPE OtherMeta = a_Meta & 0x0C;
+
+ // Mirrors according to a table. 0x03 == 0011.
+ switch (a_Meta & 0x03)
+ {
+ case 0x00: return 0x02 + OtherMeta; // West -> East
+ case 0x02: return 0x00 + OtherMeta; // East -> West
+ }
+
+ // Not Facing North or South; No change.
+ return a_Meta;
+}
+
+
+