CCmpTerritoryInfluence.cpp

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/* Copyright (C) 2012 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. 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 2 of the License, or
 * (at your option) any later version.
 *
 * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "precompiled.h"

#include "simulation2/system/Component.h"
#include "ICmpTerritoryInfluence.h"

#include "simulation2/components/ICmpOwnership.h"
#include "simulation2/components/ICmpPlayerManager.h"
#include "simulation2/components/ICmpTechnologyManager.h"

class CCmpTerritoryInfluence : public ICmpTerritoryInfluence
{
public:
    static void ClassInit(CComponentManager& UNUSED(componentManager))
    {
    }

    DEFAULT_COMPONENT_ALLOCATOR(TerritoryInfluence)

    i32 m_Cost;
    bool m_Root;
    u32 m_Weight;
    u32 m_Radius;

    static std::string GetSchema()
    {
        return
            "<optional>"
                "<element name='OverrideCost'>"
                    "<data type='nonNegativeInteger'>"
                        "<param name='maxInclusive'>255</param>"
                    "</data>"
                "</element>"
            "</optional>"
            "<element name='Root'>"
                "<data type='boolean'/>"
            "</element>"
            "<element name='Weight'>"
                "<data type='nonNegativeInteger'/>"
            "</element>"
            "<element name='Radius'>"
                "<data type='nonNegativeInteger'/>"
            "</element>";
    }

    virtual void Init(const CParamNode& paramNode)
    {
        if (paramNode.GetChild("OverrideCost").IsOk())
            m_Cost = paramNode.GetChild("OverrideCost").ToInt();
        else
            m_Cost = -1;

        m_Root = paramNode.GetChild("Root").ToBool();
        m_Weight = paramNode.GetChild("Weight").ToInt();
        m_Radius = paramNode.GetChild("Radius").ToInt();
    }

    virtual void Deinit()
    {
    }

    virtual void Serialize(ISerializer& UNUSED(serialize))
    {
    }

    virtual void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize))
    {
        Init(paramNode);
    }

    virtual i32 GetCost()
    {
        return m_Cost;
    }

    virtual bool IsRoot()
    {
        return m_Root;
    }

    virtual u32 GetWeight()
    {
        return m_Weight;
    }

    virtual u32 GetRadius()
    {
        u32 newRadius = m_Radius;

        CmpPtr<ICmpOwnership> cmpOwnership(GetEntityHandle());
        if (cmpOwnership && cmpOwnership->GetOwner() != INVALID_PLAYER)
        {
            CmpPtr<ICmpPlayerManager> cmpPlayerManager(GetSystemEntity());
            entity_id_t playerEnt = cmpPlayerManager->GetPlayerByID(cmpOwnership->GetOwner());

            if (playerEnt != INVALID_ENTITY)
            {
                CmpPtr<ICmpTechnologyManager> cmpTechnologyManager(GetSimContext(), playerEnt);
                if (cmpTechnologyManager)
                    newRadius = cmpTechnologyManager->ApplyModifications(L"TerritoryInfluence/Radius", m_Radius, GetEntityId());
            }
        }

        return newRadius;
    }
};

REGISTER_COMPONENT_TYPE(TerritoryInfluence)