Implement looks_changesizeby block

Author: adazem009

src/blocks/looksblocks.cpp

@@ -50,6 +50,7 @@ void LooksBlocks::registerBlocks(IEngine *engine)
     engine->addCompileFunction(this, "looks_changeeffectby", &compileChangeEffectBy);
     engine->addCompileFunction(this, "looks_seteffectto", &compileSetEffectTo);
     engine->addCompileFunction(this, "looks_cleargraphiceffects", &compileClearGraphicEffects);
+    engine->addCompileFunction(this, "looks_changesizeby", &compileChangeSizeBy);
 }
 
 void LooksBlocks::onInit(IEngine *engine)
@@ -205,6 +206,16 @@ CompilerValue *LooksBlocks::compileClearGraphicEffects(Compiler *compiler)
     return nullptr;
 }
 
+CompilerValue *LooksBlocks::compileChangeSizeBy(Compiler *compiler)
+{
+    if (compiler->target()->isStage())
+        return nullptr;
+
+    auto change = compiler->addInput("CHANGE");
+    compiler->addTargetFunctionCall("looks_changesizeby", Compiler::StaticType::Void, { Compiler::StaticType::Number }, { change });
+    return nullptr;
+}
+
 extern "C" void looks_start_stack_timer(ExecutionContext *ctx, double duration)
 {
     ctx->stackTimer()->start(duration);
@@ -274,3 +285,8 @@ extern "C" void looks_cleargraphiceffects(Target *target)
 {
     target->clearGraphicsEffects();
 }
+
+extern "C" void looks_changesizeby(Sprite *sprite, double change)
+{
+    sprite->setSize(sprite->size() + change);
+}

src/blocks/looksblocks.h

@@ -40,6 +40,7 @@ class LooksBlocks : public IExtension
         static CompilerValue *compileChangeEffectBy(Compiler *compiler);
         static CompilerValue *compileSetEffectTo(Compiler *compiler);
         static CompilerValue *compileClearGraphicEffects(Compiler *compiler);
+        static CompilerValue *compileChangeSizeBy(Compiler *compiler);
 
         IEngine *m_engine = nullptr;
         std::unordered_map<std::string, long> m_effectMap;

test/blocks/looks_blocks_test.cpp

@@ -526,3 +526,31 @@ TEST_F(LooksBlocksTest, ClearGraphicEffects)
     ASSERT_EQ(sprite->graphicsEffectValue(effect2), 0);
     ASSERT_EQ(sprite->graphicsEffectValue(effect3), 0);
 }
+
+TEST_F(LooksBlocksTest, ChangeSizeBy)
+{
+    {
+        auto sprite = std::make_shared<Sprite>();
+        ScriptBuilder builder(m_extension.get(), m_engine, sprite);
+        builder.addBlock("looks_changesizeby");
+        builder.addValueInput("CHANGE", 2.5);
+        builder.build();
+
+        sprite->setEngine(nullptr);
+        sprite->setSize(45.62);
+        builder.run();
+        ASSERT_EQ(sprite->size(), 48.12);
+    }
+
+    m_engine->clear();
+
+    {
+        auto stage = std::make_shared<Stage>();
+        ScriptBuilder builder(m_extension.get(), m_engine, stage);
+        builder.addBlock("looks_changesizeby");
+        builder.addValueInput("CHANGE", 2.5);
+
+        builder.build();
+        builder.run();
+    }
+}