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-rw-r--r--src/BlockArea.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/BlockArea.h b/src/BlockArea.h
index 0bb272fd9..c48175b8c 100644
--- a/src/BlockArea.h
+++ b/src/BlockArea.h
@@ -53,6 +53,7 @@ public:
msLake,
msSpongePrint,
msDifference,
+ msMask,
} ;
cBlockArea(void);
@@ -153,6 +154,14 @@ public:
+----------+--------+--------+
| A | sponge | A | Sponge is the NOP block
| * | B | B | Everything else overwrites anything
+
+ msMask:
+ Combines two areas, the blocks that are the same are kept, differing ones are reset to air
+ | area block | |
+ | this | Src | result |
+ +------+-------+--------+
+ | A | A | A | Same blocks are kept
+ | A | non-A | air | Everything else is replaced with air
*/
void Merge(const cBlockArea & a_Src, int a_RelX, int a_RelY, int a_RelZ, eMergeStrategy a_Strategy);