Implement event_whenflagclicked

Author: adazem009

src/dev/blocks/eventblocks.cpp

@@ -20,10 +20,17 @@ std::string libscratchcpp::EventBlocks::description() const
 void EventBlocks::registerBlocks(IEngine *engine)
 {
     engine->addCompileFunction(this, "event_whentouchingobject", &compileWhenTouchingObject);
+    engine->addCompileFunction(this, "event_whenflagclicked", &compileWhenFlagClicked);
 }
 
 CompilerValue *EventBlocks::compileWhenTouchingObject(Compiler *compiler)
 {
     compiler->engine()->addWhenTouchingObjectScript(compiler->block());
     return nullptr;
 }
+
+CompilerValue *EventBlocks::compileWhenFlagClicked(Compiler *compiler)
+{
+    compiler->engine()->addGreenFlagScript(compiler->block());
+    return nullptr;
+}

src/dev/blocks/eventblocks.h

@@ -17,6 +17,7 @@ class EventBlocks : public IExtension
 
     private:
         static CompilerValue *compileWhenTouchingObject(Compiler *compiler);
+        static CompilerValue *compileWhenFlagClicked(Compiler *compiler);
 };
 
 } // namespace libscratchcpp

test/dev/blocks/event_blocks_test.cpp

@@ -41,3 +41,16 @@ TEST_F(EventBlocksTest, WhenTouchingObject)
     EXPECT_CALL(m_engineMock, addWhenTouchingObjectScript(block));
     compiler.compile(block);
 }
+
+TEST_F(EventBlocksTest, WhenFlagClicked)
+{
+    auto target = std::make_shared<Sprite>();
+    ScriptBuilder builder(m_extension.get(), m_engine, target);
+
+    builder.addBlock("event_whenflagclicked");
+    auto block = builder.currentBlock();
+
+    Compiler compiler(&m_engineMock, target.get());
+    EXPECT_CALL(m_engineMock, addGreenFlagScript(block));
+    compiler.compile(block);
+}