Implement looks_hide block

Author: adazem009

src/blocks/looksblocks.cpp

@@ -37,6 +37,7 @@ void LooksBlocks::registerBlocks(IEngine *engine)
     engine->addCompileFunction(this, "looks_thinkforsecs", &compileThinkForSecs);
     engine->addCompileFunction(this, "looks_think", &compileThink);
     engine->addCompileFunction(this, "looks_show", &compileShow);
+    engine->addCompileFunction(this, "looks_hide", &compileHide);
 }
 
 void LooksBlocks::onInit(IEngine *engine)
@@ -115,6 +116,14 @@ CompilerValue *LooksBlocks::compileShow(Compiler *compiler)
     return nullptr;
 }
 
+CompilerValue *LooksBlocks::compileHide(Compiler *compiler)
+{
+    if (!compiler->target()->isStage())
+        compiler->addTargetFunctionCall("looks_hide");
+
+    return nullptr;
+}
+
 extern "C" void looks_start_stack_timer(ExecutionContext *ctx, double duration)
 {
     ctx->stackTimer()->start(duration);
@@ -163,3 +172,8 @@ extern "C" void looks_show(Sprite *sprite)
 {
     sprite->setVisible(true);
 }
+
+extern "C" void looks_hide(Sprite *sprite)
+{
+    sprite->setVisible(false);
+}

src/blocks/looksblocks.h

@@ -29,6 +29,7 @@ class LooksBlocks : public IExtension
         static CompilerValue *compileThinkForSecs(Compiler *compiler);
         static CompilerValue *compileThink(Compiler *compiler);
         static CompilerValue *compileShow(Compiler *compiler);
+        static CompilerValue *compileHide(Compiler *compiler);
 };
 
 } // namespace libscratchcpp

test/blocks/looks_blocks_test.cpp

@@ -229,3 +229,34 @@ TEST_F(LooksBlocksTest, Show)
         builder.run();
     }
 }
+
+TEST_F(LooksBlocksTest, Hide)
+{
+    {
+        auto sprite = std::make_shared<Sprite>();
+        ScriptBuilder builder(m_extension.get(), m_engine, sprite);
+
+        builder.addBlock("looks_hide");
+        builder.build();
+
+        sprite->setVisible(true);
+
+        builder.run();
+        ASSERT_FALSE(sprite->visible());
+
+        builder.run();
+        ASSERT_FALSE(sprite->visible());
+    }
+
+    m_engine->clear();
+
+    {
+        auto stage = std::make_shared<Stage>();
+        ScriptBuilder builder(m_extension.get(), m_engine, stage);
+
+        builder.addBlock("looks_hide");
+
+        builder.build();
+        builder.run();
+    }
+}