air-only flag

minetest-go · Jun 22, 2024 · 728c698 · 728c698
1 parent 8bfd732
commit 728c698
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/go.mod b/go.mod
@@ -4,4 +4,4 @@ go 1.22.4
 
 require github.com/klauspost/compress v1.16.0
 
-require github.com/minetest-go/types v1.0.2
+require github.com/minetest-go/types v1.0.4
diff --git a/go.sum b/go.sum
@@ -4,6 +4,8 @@ github.com/klauspost/compress v1.16.0 h1:iULayQNOReoYUe+1qtKOqw9CwJv3aNQu8ivo7lw
 github.com/klauspost/compress v1.16.0/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
 github.com/minetest-go/types v1.0.2 h1:lHU9frnlgtWO3XFIVxO5X3Gi+y07gV+guREglqnwDJM=
 github.com/minetest-go/types v1.0.2/go.mod h1:QS2q8tKAiuBe2Rin880ARFt9VokYIJNZV4Z4kHAChU0=
+github.com/minetest-go/types v1.0.4 h1:SuM1UPXM2ocngJqZwlxZjnQVJEFxeMyk4bqlEw1BAj4=
+github.com/minetest-go/types v1.0.4/go.mod h1:QS2q8tKAiuBe2Rin880ARFt9VokYIJNZV4Z4kHAChU0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=

diff --git a/parse_block_mapping.go b/parse_block_mapping.go
@@ -22,6 +22,11 @@ func parseBlockMapping(data []byte, offset *int, mapblock *types.MapBlock) {
 			*offset += nameLen
 
 			mapblock.BlockMapping[nodeId] = blockName
+
+			if numMappings == 1 && blockName == "air" {
+				// mark as air-only
+				mapblock.AirOnly = true
+			}
 		}
 	}
 }