Block: Add support for mutations

Author: adazem009

src/scratch/block.cpp

@@ -37,6 +37,24 @@ void Block::setCompileFunction(BlockComp newCompileFunction)
     m_compileFunction = newCompileFunction;
 }
 
+/*! Returns true if the block can have a block following it. */
+bool Block::mutationHasNext() const
+{
+    return m_mutationHasNext;
+}
+
+/*! Sets whether the block can have a block following it. */
+void Block::setMutationHasNext(bool newMutationHasNext)
+{
+    m_mutationHasNext = newMutationHasNext;
+}
+
+/*! Returns the block prototype (in custom block definition). */
+BlockPrototype *Block::mutationPrototype()
+{
+    return &m_mutationPrototype;
+}
+
 /*! Returns the next block. */
 std::shared_ptr<Block> Block::next() const
 {

src/scratch/block.h

@@ -6,6 +6,7 @@
 #include "field.h"
 #include "ientity.h"
 #include "input.h"
+#include "blockprototype.h"
 #include <memory>
 #include <unordered_map>
 #include <string>
@@ -64,6 +65,11 @@ class LIBSCRATCHCPP_EXPORT Block : public IEntity
         BlockComp compileFunction() const;
         void setCompileFunction(BlockComp newCompileFunction);
 
+        bool mutationHasNext() const;
+        void setMutationHasNext(bool newMutationHasNext);
+
+        BlockPrototype *mutationPrototype();
+
     private:
         std::string m_opcode;
         BlockComp m_compileFunction = nullptr;
@@ -79,6 +85,8 @@ class LIBSCRATCHCPP_EXPORT Block : public IEntity
         bool m_topLevel = false;
         Engine *m_engine = nullptr;
         Target *m_target = nullptr;
+        BlockPrototype m_mutationPrototype;
+        bool m_mutationHasNext = true;
 };
 
 } // namespace libscratchcpp