Always select a different random backdrop. (Closes #521)

aspizu · aspizu · commit 9f358599b2af · 2024-10-05T03:47:05.000+05:30
diff --git a/src/blocks/looksblocks.cpp b/src/blocks/looksblocks.cpp
@@ -964,8 +964,9 @@ void LooksBlocks::randomBackdropImpl(VirtualMachine *vm)
     if (Stage *stage = vm->engine()->stage()) {
         std::size_t count = stage->costumes().size();
 
-        if (count > 0)
-            stage->setCostumeIndex(rng->randint(0, count - 1));
+        if (count > 0) {
+            stage->setCostumeIndex(rng->randintExcept(0, count - 1, stage->costumeIndex()));
+        }
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -964,8 +964,9 @@ void LooksBlocks::randomBackdropImpl(VirtualMachine *vm)`
`964`	`964`	`if (Stage *stage = vm->engine()->stage()) {`
`965`	`965`	`std::size_t count = stage->costumes().size();`
`966`	`966`
`967`		`- if (count > 0)`
`968`		`- stage->setCostumeIndex(rng->randint(0, count - 1));`
	`967`	`+ if (count > 0) {`
	`968`	`+ stage->setCostumeIndex(rng->randintExcept(0, count - 1, stage->costumeIndex()));`
	`969`	`+ }`
`969`	`970`	`}`
`970`	`971`	`}`
`971`	`972`