C++ EventsCodeGenerator::GetPlatform方法代码示例

            virtual std::string GenerateCode(gd::Instruction & instruction, gd::EventsCodeGenerator & codeGenerator, gd::EventsCodeGenerationContext & context)
            {
                std::string value1Code;
                {
                    gd::CallbacksForGeneratingExpressionCode callbacks(value1Code, codeGenerator, context);
                    gd::ExpressionParser parser(instruction.GetParameters()[0].GetPlainString());
                    if (!parser.ParseMathExpression(codeGenerator.GetPlatform(), codeGenerator.GetProject(), codeGenerator.GetLayout(), callbacks) || value1Code.empty()) value1Code = "0";
                }

                std::string value2Code;
                {
                    gd::CallbacksForGeneratingExpressionCode callbacks(value2Code, codeGenerator, context);
                    gd::ExpressionParser parser(instruction.GetParameters()[2].GetPlainString());
                    if (!parser.ParseMathExpression(codeGenerator.GetPlatform(), codeGenerator.GetProject(), codeGenerator.GetLayout(), callbacks) || value2Code.empty()) value2Code = "0";
                }

                std::string resultingBoolean = codeGenerator.GenerateBooleanFullName("conditionTrue", context)+".val";

                if ( instruction.GetParameters()[1].GetPlainString() == "=" || instruction.GetParameters()[1].GetPlainString().empty() )
                    return resultingBoolean + " = ("+value1Code+" == "+value2Code+");\n";
                else if ( instruction.GetParameters()[1].GetPlainString() == ">")
                    return resultingBoolean + " = ("+value1Code+" > "+value2Code+");\n";
                else if ( instruction.GetParameters()[1].GetPlainString() == "<")
                    return resultingBoolean + " = ("+value1Code+" < "+value2Code+");\n";
                else if ( instruction.GetParameters()[1].GetPlainString() == "<=")
                    return resultingBoolean + " = ("+value1Code+" <= "+value2Code+");\n";
                else if ( instruction.GetParameters()[1].GetPlainString() == ">=")
                    return resultingBoolean + " = ("+value1Code+" >= "+value2Code+");\n";
                else if ( instruction.GetParameters()[1].GetPlainString() == "!=")
                    return resultingBoolean + " = ("+value1Code+" != "+value2Code+");\n";

                return "";
            };

            virtual std::string GenerateCode(gd::Instruction & instruction, gd::EventsCodeGenerator & codeGenerator, gd::EventsCodeGenerationContext & context)
            {
                std::string outputCode;

                std::vector<std::string> realObjects = codeGenerator.ExpandObjectsName(instruction.GetParameter(0).GetPlainString(), context);
                for (unsigned int i = 0;i<realObjects.size();++i)
                {
                    context.SetCurrentObject(realObjects[i]);
                    context.ObjectsListNeeded(realObjects[i]);

                    std::string newX, newY;

                    std::string expression1Code;
                    {
                        gd::CallbacksForGeneratingExpressionCode callbacks(expression1Code, codeGenerator, context);
                        gd::ExpressionParser parser(instruction.GetParameters()[2].GetPlainString());
                        if (!parser.ParseMathExpression(codeGenerator.GetPlatform(), codeGenerator.GetProject(), codeGenerator.GetLayout(), callbacks) || expression1Code.empty())
                            expression1Code = "0";
                    }

                    std::string expression2Code;
                    {
                        gd::CallbacksForGeneratingExpressionCode callbacks(expression2Code, codeGenerator, context);
                        gd::ExpressionParser parser(instruction.GetParameters()[4].GetPlainString());
                        if (!parser.ParseMathExpression(codeGenerator.GetPlatform(), codeGenerator.GetProject(), codeGenerator.GetLayout(), callbacks) || expression2Code.empty())
                            expression2Code = "0";
                    }

                    std::string op1 = instruction.GetParameter(1).GetPlainString();
                    if ( op1 == "=" || op1.empty() )
                        newX = expression1Code;
                    else if ( op1 == "/" || op1 == "*" || op1 == "-" || op1 == "+" )
                        newX = codeGenerator.GetObjectListName(realObjects[i], context)+"[i].getX() "+op1 + expression1Code;
                    else
                        return "";
                    std::string op2 = instruction.GetParameter(3).GetPlainString();
                    if ( op2 == "=" || op2.empty() )
                        newY = expression2Code;
                    else if ( op2 == "/" || op2 == "*" || op2 == "-" || op2 == "+" )
                        newY = codeGenerator.GetObjectListName(realObjects[i], context)+"[i].getY() "+op2 + expression2Code;
                    else
                        return "";

                    std::string call = codeGenerator.GetObjectListName(realObjects[i], context)+"[i].setPosition("+newX+","+newY+")";

                    outputCode += "for(var i = 0, len = "+codeGenerator.GetObjectListName(realObjects[i], context)+".length ;i < len;++i) {\n";
                    outputCode += "    "+call+";\n";
                    outputCode += "}\n";

                    context.SetNoCurrentObject();
                }

                return outputCode;
            };

            virtual std::string GenerateCode(gd::Instruction & instruction, gd::EventsCodeGenerator & codeGenerator, gd::EventsCodeGenerationContext & context)
            {
                std::string expressionCode;
                {
                    gd::CallbacksForGeneratingExpressionCode callbacks(expressionCode, codeGenerator, context);
                    gd::ExpressionParser parser(instruction.GetParameters()[2].GetPlainString());
                    if (!parser.ParseStringExpression(codeGenerator.GetPlatform(), codeGenerator.GetProject(), codeGenerator.GetLayout(), callbacks) || expressionCode.empty())
                        expressionCode = "\"\"";
                }

                std::string varGetter;
                {
                    VariableCodeGenerationCallbacks callbacks(varGetter, codeGenerator, context, VariableCodeGenerationCallbacks::LAYOUT_VARIABLE);
                    gd::VariableParser parser(instruction.GetParameters()[0].GetPlainString());
                    if ( !parser.Parse(callbacks) )
                        varGetter = "runtimeScene.getVariables().get(\"\")";
                }

                std::string op = instruction.GetParameters()[1].GetPlainString();
                if ( op == "=" )
                    return varGetter+".setString("+expressionCode+");\n";
                else if ( op == "+" )
                    return varGetter+".concatenate("+expressionCode+");\n";

                return "";
            };

                virtual std::string GenerateCode(const std::vector<gd::Expression> & parameters, gd::EventsCodeGenerator & codeGenerator, gd::EventsCodeGenerationContext & context)
                {
                    codeGenerator.AddGlobalDeclaration(FunctionEvent::globalDeclaration);
                    codeGenerator.AddIncludeFile("Function/FunctionTools.h");
                    const gd::Project & game = codeGenerator.GetProject();
                    const gd::Layout & scene = codeGenerator.GetLayout();

                    //Generate code for evaluating index
                    std::string expression;
                    gd::CallbacksForGeneratingExpressionCode callbacks(expression, codeGenerator, context);
                    gd::ExpressionParser parser(parameters[0].GetPlainString());
                    if (!parser.ParseMathExpression(codeGenerator.GetPlatform(), game, scene, callbacks) || expression.empty()) expression = "0";

                    std::string code;

                    code += "GDpriv::FunctionTools::GetSafelyStringFromVector(currentFunctionParameters, "+expression+")";

                    return code;
                };

std::string BaseEvent::GenerateEventCode(gd::EventsCodeGenerator & codeGenerator, gd::EventsCodeGenerationContext & context)
{
    if ( IsDisabled() ) return "";

    try
    {
        if ( type.empty() ) return "";

        const gd::Platform & platform = codeGenerator.GetPlatform();

        //First try to guess the extension used
        std::string eventNamespace = type.substr(0, type.find("::"));
        std::shared_ptr<gd::PlatformExtension> guessedExtension = platform.GetExtension(eventNamespace);
        if ( guessedExtension )
        {
            std::map<std::string, gd::EventMetadata > & allEvents = guessedExtension->GetAllEvents();
            if ( allEvents.find(type) != allEvents.end() )
                return allEvents[type].codeGeneration(*this, codeGenerator, context);
        }


        //Else make a search in all the extensions
        for (unsigned int i = 0;i<platform.GetAllPlatformExtensions().size();++i)
        {
            std::shared_ptr<gd::PlatformExtension> extension = platform.GetAllPlatformExtensions()[i];
            if ( !extension ) continue;

            std::map<std::string, gd::EventMetadata > & allEvents = extension->GetAllEvents();
            if ( allEvents.find(type) != allEvents.end() )
                return allEvents[type].codeGeneration(*this, codeGenerator, context);
        }
    }
    catch(...)
    {
        std::cout << "ERROR: Exception caught during code generation for event \"" << type <<"\"." << std::endl;
    }

    return "";
}

void BaseEvent::Preprocess(gd::EventsCodeGenerator & codeGenerator, gd::EventsList & eventList, unsigned int indexOfTheEventInThisList)
{
    if ( IsDisabled() || !MustBePreprocessed() ) return;

    try
    {
        if ( type.empty() ) return;

        const gd::Platform & platform = codeGenerator.GetPlatform();

        //First try to guess the extension used
        std::string eventNamespace = type.substr(0, type.find("::"));
        boost::shared_ptr<gd::PlatformExtension> guessedExtension = platform.GetExtension(eventNamespace);
        if ( guessedExtension )
        {
            std::map<std::string, gd::EventMetadata > & allEvents = guessedExtension->GetAllEvents();
            if ( allEvents.find(type) != allEvents.end() && allEvents[type].codeGeneration )
                return allEvents[type].codeGeneration->Preprocess(*this, codeGenerator, eventList, indexOfTheEventInThisList);
        }


        //Else make a search in all the extensions
        for (unsigned int i = 0;i<platform.GetAllPlatformExtensions().size();++i)
        {
            boost::shared_ptr<gd::PlatformExtension> extension = platform.GetAllPlatformExtensions()[i];
            if ( !extension ) continue;

            std::map<std::string, gd::EventMetadata > & allEvents = extension->GetAllEvents();
            if ( allEvents.find(type) != allEvents.end() && allEvents[type].codeGeneration )
                return allEvents[type].codeGeneration->Preprocess(*this, codeGenerator, eventList, indexOfTheEventInThisList);
        }
    }
    catch(...)
    {
        std::cout << "ERROR: Exception caught during preprocessing of event \"" << type <<"\"." << std::endl;
    }
}

std::string Array3DEvent::CodeGenerator::Generate(gd::BaseEvent & event_, gd::EventsCodeGenerator & codeGenerator, gd::EventsCodeGenerationContext &context)
{
    arr::threeDim::Array3DEvent &event = dynamic_cast<arr::threeDim::Array3DEvent&>(event_);

            // Adding needed includes
            codeGenerator.AddIncludeFile("stack");
            codeGenerator.AddIncludeFile("Array/ArrayValue.h");
            codeGenerator.AddIncludeFile("Array/Array3D.h");
            codeGenerator.AddIncludeFile("Array/ArrayTools.h");

            //Adding the main code of the event
            std::string code("// 3D-Array Iterate Event\n");

            std::string arrayNameExpr;
            gd::CallbacksForGeneratingExpressionCode callbacks(arrayNameExpr, codeGenerator, context);
            gd::ExpressionParser parser(event.GetArrayName());
            parser.ParseStringExpression(codeGenerator.GetPlatform(), codeGenerator.GetProject(), codeGenerator.GetLayout(), callbacks);
            if (arrayNameExpr.empty()) arrayNameExpr = "\"\""; //If generation failed, we make sure output code is not empty.

            code += "arr::Array3D &currentArray = arr::ArrayManager::GetInstance()->GetArray3D(runtimeContext->scene->game, " + arrayNameExpr + ");\n";
            code += "for(unsigned int x = 0; x < currentArray.GetSize(1); x++)\n";
            code += "{\n";
            {
                code += "for(unsigned int y = 0; y < currentArray.GetSize(2); y++)\n";
                code += "{\n";
                {
                    code += "for(unsigned int z = 0; z < currentArray.GetSize(3); z++)\n";
                    code += "{\n";
                    {

                        code += "arr::ArrayManager::GetInstance()->GetArray3DEventInfo(runtimeContext->scene->game).PushNewEventInfo(x, y, z, currentArray.GetValue(x, y, z));";

                        // Generating condition/action/sub-event //
                        code += codeGenerator.GenerateConditionsListCode(event.GetConditions(), context);

                        std::string ifPredicat;
                        for (unsigned int i = 0;i<event.GetConditions().size();++i)
                        {
                            if (i!=0)
                                ifPredicat += " && ";
                            ifPredicat += "condition"+ToString(i)+"IsTrue";
                        }

                        if ( !ifPredicat.empty() ) code += "if (" +ifPredicat+ ")\n";

                        code += "{\n";
                        code += codeGenerator.GenerateActionsListCode(event.GetActions(), context);

                        if ( event.HasSubEvents() )
                        {
                            code += "\n{\n";
                            code += codeGenerator.GenerateEventsListCode(event.GetSubEvents(), context);
                            code += "}\n";
                        }

                        code += "}\n";
                        ///////////////////////////////////////////

                        code += "arr::ArrayManager::GetInstance()->GetArray3DEventInfo(runtimeContext->scene->game).PopEventInfo();";
                    }
                    code += "}\n";
                }
                code += "}\n";
            }
            code += "}\n";


            return code;
}