Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.
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Generals/Code/GameEngine/Include/Common/Science.h
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138
Generals/Code/GameEngine/Include/Common/Science.h
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/*
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** Command & Conquer Generals(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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////////////////////////////////////////////////////////////////////////////////
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// //
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// (c) 2001-2003 Electronic Arts Inc. //
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// //
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////////////////////////////////////////////////////////////////////////////////
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// FILE: Science.h ////////////////////////////////////////////////////////////////////////////////
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// Author: Steven Johnson, Colin Day November 2001
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// Desc: Science descriptoins
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#ifndef __SCIENCE_H_
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#define __SCIENCE_H_
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// INCLUDES ///////////////////////////////////////////////////////////////////////////////////////
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#include "Common/Overridable.h"
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#include "Common/NameKeyGenerator.h"
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#include "Common/UnicodeString.h"
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class Player;
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//-------------------------------------------------------------------------------------------------
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enum ScienceType
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{
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SCIENCE_INVALID = -1
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};
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//-------------------------------------------------------------------------------------------------
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typedef std::vector<ScienceType> ScienceVec;
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//-------------------------------------------------------------------------------------------------
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class ScienceInfo : public Overridable
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{
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MEMORY_POOL_GLUE_WITH_USERLOOKUP_CREATE( ScienceInfo, "ScienceInfo" )
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friend class ScienceStore;
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private:
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ScienceType m_science;
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UnicodeString m_name;
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UnicodeString m_description;
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ScienceVec m_rootSciences; // this is calced at runtime, NOT read from INI
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ScienceVec m_prereqSciences;
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Int m_sciencePurchasePointCost;
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Bool m_grantable;
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ScienceInfo() :
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m_science(SCIENCE_INVALID),
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m_sciencePurchasePointCost(0), // 0 means "cannot be purchased"
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m_grantable(true)
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{
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}
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void addRootSciences(ScienceVec& v) const;
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};
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EMPTY_DTOR(ScienceInfo);
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//-------------------------------------------------------------------------------------------------
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class ScienceStore : public SubsystemInterface
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{
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friend class ScienceInfo;
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public:
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void init();
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void reset();
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void update() { }
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Bool isValidScience(ScienceType st) const;
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Bool isScienceGrantable(ScienceType st) const;
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Bool getNameAndDescription(ScienceType st, UnicodeString& name, UnicodeString& description) const;
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Bool playerHasPrereqsForScience(const Player* player, ScienceType st) const;
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/**
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this is a subtle call, and should ALMOST NEVER be called by external code...
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this is used to determine if you have the "root" requirements for a given science,
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and thus could *potentially* obtain it if you got extra prereqs.
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Generally, you should call getPurchasableSciences() instead of this!
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*/
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Bool playerHasRootPrereqsForScience(const Player* player, ScienceType st) const;
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Int getSciencePurchaseCost(ScienceType science) const;
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ScienceType getScienceFromInternalName(const AsciiString& name) const;
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AsciiString getInternalNameForScience(ScienceType science) const;
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/** return a list of the sciences the given player can purchase now, and a list he might be able to purchase in the future,
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but currently lacks prereqs or points for. (either might be an empty list) */
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void getPurchasableSciences(const Player* player, ScienceVec& purchasable, ScienceVec& potentiallyPurchasable) const;
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// this is intended ONLY for use by INI::scanScience.
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// Don't use it anywhere else. In particular, never, ever, ever
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// call this with a hardcoded science name. (srj)
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ScienceType friend_lookupScience(const char* scienceName) const;
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static void friend_parseScienceDefinition(INI* ini);
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// return a vector of all the currently-known science names
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// NOTE: this is really only for use by WorldBuilder! Please
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// do not use it in RTS!
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std::vector<AsciiString> friend_getScienceNames() const;
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private:
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const ScienceInfo* findScienceInfo(ScienceType st) const;
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typedef std::vector<ScienceInfo*> ScienceInfoVec;
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ScienceInfoVec m_sciences;
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};
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extern ScienceStore* TheScienceStore;
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#endif // __SCIENCE_H_
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