FieldEngine.h

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/*
 * V-Gears
 * Copyright (C) 2022 V-Gears Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <string>
#include <vector>
 
#include "FieldScriptFormatter.h"
#include "installer/decompiler/Engine.h"
#include "installer/decompiler/field/FieldDecompiler.h"
 
class FieldEngine : public Engine{
 
    public:
 
        class Entity{
            public:
 
                Entity() = default;
 
                Entity(const std::string& name, size_t index);
 
                std::string GetName() const;
 
                size_t GetIndex() const;
 
                std::string FunctionByIndex(size_t index) const;
 
                void AddFunction(const std::string& name, size_t index);
 
                void MarkAsLine(bool line, std::vector<float> point_a, std::vector<float> point_b);
 
                bool IsLine();
 
                std::vector<float> GetLinePointA();
 
                std::vector<float> GetLinePointB();
 
 
 
            private:
 
                std::string name_;
 
                size_t index_;
 
                std::map<size_t, std::string> functions_;
 
                bool is_line_;
 
                std::vector<float> point_a_;
 
                std::vector<float> point_b_;
        };
 
        FieldEngine(FieldScriptFormatter& formatter, std::string script_name);
 
        FieldEngine(const FieldEngine& engine) = delete;
 
        FieldEngine& operator = (const FieldEngine& engine) = delete;
 
        virtual std::unique_ptr<Disassembler> GetDisassembler(
          InstVec &insts, const std::vector<unsigned char>& raw_script_data
        ) override;
 
        virtual std::unique_ptr<Disassembler> GetDisassembler(InstVec &insts) override;
 
        virtual std::unique_ptr<CodeGenerator> GetCodeGenerator(
          const InstVec& insts, std::ostream &output
        ) override;
 
        virtual void PostCFG(InstVec &insts, Graph graph) override;
 
        virtual bool UsePureGrouping() const override;
 
        std::map<std::string, int> GetEntities() const;
 
        std::vector<FieldDecompiler::FieldEntity> GetEntityList() const;
 
        std::vector<FieldDecompiler::Line> GetLineList() const;
 
        std::map<size_t, Entity> GetEntityIndexMap() const{return entity_index_map_;}
 
        void AddEntityFunction(
          const std::string& entity_name, size_t entity_index,
          const std::string& func_name, size_t func_index
        );
 
        void MarkEntityAsLine(
          size_t entity_index, bool line, std::vector<float> point_a, std::vector<float> point_b
        );
 
        bool EntityIsLine(size_t entity_index);
 
        const Entity& EntityByIndex(size_t index) const;
 
        float GetScaleFactor() const;
 
        const std::string& GetScriptName() const;
 
    private:
 
        void RemoveExtraneousReturnStatements(InstVec& insts, Graph graph);
 
        void RemoveTrailingInfiniteLoops(InstVec& insts, Graph graph);
 
        void MarkInfiniteLoopGroups(InstVec& insts, Graph graph);
 
        FieldScriptFormatter& formatter_;
 
        std::map<size_t, Entity> entity_index_map_;
 
        float scale_factor_;
 
        std::string script_name_;
};