Add spriteFencingEnabled property to IEngine

Author: adazem009

include/scratchcpp/iengine.h

@@ -146,6 +146,12 @@ class LIBSCRATCHCPP_EXPORT IEngine
         /*! Sets the maximum number of clones (use -1 or any negative number to disable the limit). */
         virtual void setCloneLimit(int limit) = 0;
 
+        /*! Returns true if sprite fencing is enabled. */
+        virtual bool spriteFencingEnabled() const = 0;
+
+        /*! Toggles sprite fencing. */
+        virtual void setSpriteFencingEnabled(bool enable) = 0;
+
         /*! Returns true if there are any running script of the broadcast with the given index. */
         virtual bool broadcastRunning(unsigned int index, VirtualMachine *sourceScript) = 0;
 

src/engine/internal/engine.cpp

@@ -491,6 +491,16 @@ void Engine::setCloneLimit(int limit)
     m_cloneLimit = limit < 0 ? -1 : limit;
 }
 
+bool Engine::spriteFencingEnabled() const
+{
+    return m_spriteFencingEnabled;
+}
+
+void Engine::setSpriteFencingEnabled(bool enable)
+{
+    m_spriteFencingEnabled = enable;
+}
+
 bool Engine::broadcastRunning(unsigned int index, VirtualMachine *sourceScript)
 {
     if (index < 0 || index >= m_broadcasts.size())

src/engine/internal/engine.h

@@ -66,6 +66,9 @@ class Engine : public IEngine
         int cloneLimit() const override;
         void setCloneLimit(int limit) override;
 
+        bool spriteFencingEnabled() const override;
+        void setSpriteFencingEnabled(bool enable) override;
+
         bool broadcastRunning(unsigned int index, VirtualMachine *sourceScript) override;
         bool broadcastByPtrRunning(Broadcast *broadcast, VirtualMachine *sourceScript) override;
 
@@ -151,6 +154,7 @@ class Engine : public IEngine
         unsigned int m_stageHeight = 360;
         int m_cloneLimit = 300;
         std::vector<Sprite *> m_clones;
+        bool m_spriteFencingEnabled = true;
 
         bool m_running = false;
         bool m_breakFrame = false;

test/engine/engine_test.cpp

@@ -190,6 +190,18 @@ TEST(EngineTest, StageHeight)
     ASSERT_EQ(engine.stageHeight(), 515);
 }
 
+TEST(EngineTest, SpriteFencingEnabled)
+{
+    Engine engine;
+    ASSERT_TRUE(engine.spriteFencingEnabled());
+
+    engine.setSpriteFencingEnabled(false);
+    ASSERT_FALSE(engine.spriteFencingEnabled());
+
+    engine.setSpriteFencingEnabled(true);
+    ASSERT_TRUE(engine.spriteFencingEnabled());
+}
+
 TEST(EngineTest, BreakFrame)
 {
     Engine engine;

test/mocks/enginemock.h

@@ -53,6 +53,9 @@ class EngineMock : public IEngine
         MOCK_METHOD(int, cloneLimit, (), (const, override));
         MOCK_METHOD(void, setCloneLimit, (int), (override));
 
+        MOCK_METHOD(bool, spriteFencingEnabled, (), (const, override));
+        MOCK_METHOD(void, setSpriteFencingEnabled, (bool), (override));
+
         MOCK_METHOD(bool, broadcastRunning, (unsigned int, VirtualMachine *), (override));
         MOCK_METHOD(bool, broadcastByPtrRunning, (Broadcast *, VirtualMachine *), (override));