Implement sensing_mousedown block

Author: adazem009

src/blocks/sensingblocks.cpp

@@ -25,6 +25,7 @@ void SensingBlocks::registerBlocks(IEngine *engine)
     // Blocks
     engine->addCompileFunction(this, "sensing_distanceto", &compileDistanceTo);
     engine->addCompileFunction(this, "sensing_keypressed", &compileKeyPressed);
+    engine->addCompileFunction(this, "sensing_mousedown", &compileMouseDown);
     engine->addCompileFunction(this, "sensing_timer", &compileTimer);
     engine->addCompileFunction(this, "sensing_resettimer", &compileResetTimer);
     engine->addCompileFunction(this, "sensing_current", &compileCurrent);
@@ -74,6 +75,11 @@ void SensingBlocks::compileKeyPressed(Compiler *compiler)
     compiler->addFunctionCall(&keyPressed);
 }
 
+void SensingBlocks::compileMouseDown(Compiler *compiler)
+{
+    compiler->addFunctionCall(&mouseDown);
+}
+
 void SensingBlocks::compileTimer(Compiler *compiler)
 {
     compiler->addFunctionCall(&timer);
@@ -133,6 +139,12 @@ unsigned int SensingBlocks::keyPressed(VirtualMachine *vm)
     return 0;
 }
 
+unsigned int SensingBlocks::mouseDown(VirtualMachine *vm)
+{
+    vm->addReturnValue(vm->engine()->mousePressed());
+    return 0;
+}
+
 unsigned int SensingBlocks::distanceTo(VirtualMachine *vm)
 {
     Sprite *sprite = dynamic_cast<Sprite *>(vm->target());

src/blocks/sensingblocks.h

@@ -40,12 +40,14 @@ class SensingBlocks : public IBlockSection
 
         static void compileDistanceTo(Compiler *compiler);
         static void compileKeyPressed(Compiler *compiler);
+        static void compileMouseDown(Compiler *compiler);
         static void compileTimer(Compiler *compiler);
         static void compileResetTimer(Compiler *compiler);
         static void compileCurrent(Compiler *compiler);
         static void compileDaysSince2000(Compiler *compiler);
 
         static unsigned int keyPressed(VirtualMachine *vm);
+        static unsigned int mouseDown(VirtualMachine *vm);
 
         static unsigned int distanceTo(VirtualMachine *vm);
         static unsigned int distanceToByIndex(VirtualMachine *vm);

test/blocks/sensing_blocks_test.cpp

@@ -99,6 +99,7 @@ TEST_F(SensingBlocksTest, RegisterBlocks)
     // Blocks
     EXPECT_CALL(m_engineMock, addCompileFunction(m_section.get(), "sensing_distanceto", &SensingBlocks::compileDistanceTo));
     EXPECT_CALL(m_engineMock, addCompileFunction(m_section.get(), "sensing_keypressed", &SensingBlocks::compileKeyPressed));
+    EXPECT_CALL(m_engineMock, addCompileFunction(m_section.get(), "sensing_mousedown", &SensingBlocks::compileMouseDown));
     EXPECT_CALL(m_engineMock, addCompileFunction(m_section.get(), "sensing_timer", &SensingBlocks::compileTimer));
     EXPECT_CALL(m_engineMock, addCompileFunction(m_section.get(), "sensing_resettimer", &SensingBlocks::compileResetTimer));
     EXPECT_CALL(m_engineMock, addCompileFunction(m_section.get(), "sensing_current", &SensingBlocks::compileCurrent));
@@ -339,6 +340,47 @@ TEST_F(SensingBlocksTest, KeyPressedImpl)
     ASSERT_EQ(vm.getInput(0, 1)->toBool(), false);
 }
 
+TEST_F(SensingBlocksTest, MouseDown)
+{
+    Compiler compiler(&m_engineMock);
+
+    auto block = std::make_shared<Block>("a", "sensing_mousedown");
+
+    EXPECT_CALL(m_engineMock, functionIndex(&SensingBlocks::mouseDown)).WillOnce(Return(0));
+    compiler.init();
+
+    compiler.setBlock(block);
+    SensingBlocks::compileMouseDown(&compiler);
+
+    compiler.end();
+
+    ASSERT_EQ(compiler.bytecode(), std::vector<unsigned int>({ vm::OP_START, vm::OP_EXEC, 0, vm::OP_HALT }));
+    ASSERT_TRUE(compiler.constValues().empty());
+}
+
+TEST_F(SensingBlocksTest, MouseDownImpl)
+{
+    static unsigned int bytecode[] = { vm::OP_START, vm::OP_EXEC, 0, vm::OP_HALT };
+    static BlockFunc functions[] = { &SensingBlocks::mouseDown };
+
+    VirtualMachine vm(nullptr, &m_engineMock, nullptr);
+    vm.setFunctions(functions);
+
+    EXPECT_CALL(m_engineMock, mousePressed()).WillOnce(Return(true));
+    vm.setBytecode(bytecode);
+    vm.run();
+
+    ASSERT_EQ(vm.registerCount(), 1);
+    ASSERT_EQ(vm.getInput(0, 1)->toBool(), true);
+
+    EXPECT_CALL(m_engineMock, mousePressed()).WillOnce(Return(false));
+    vm.reset();
+    vm.run();
+
+    ASSERT_EQ(vm.registerCount(), 1);
+    ASSERT_EQ(vm.getInput(0, 1)->toBool(), false);
+}
+
 TEST_F(SensingBlocksTest, Timer)
 {
     Compiler compiler(&m_engineMock);