openmw-tes3mp/apps/openmw/mwmechanics/aicombat.cpp

#include "aicombat.hpp"

#include "movement.hpp"

#include "../mwworld/class.hpp"
#include "../mwworld/player.hpp"
#include "../mwworld/timestamp.hpp"
#include "../mwbase/world.hpp"
#include "../mwbase/environment.hpp"
#include "../mwbase/mechanicsmanager.hpp"


namespace MWMechanics
{

    AiCombat::AiCombat(const std::string &targetId)
        :mTargetId(targetId),mStartingSecond(0)
    {
    }

    bool AiCombat::execute (const MWWorld::Ptr& actor)
    {
        const MWWorld::Ptr target = MWBase::Environment::get().getWorld()->getPlayer().getPlayer();//MWBase::Environment::get().getWorld()->getPtr(mTargetId, false);

        if(actor.getTypeName() == typeid(ESM::NPC).name())
        {

            MWMechanics::DrawState_ state = MWWorld::Class::get(actor).getNpcStats(actor).getDrawState();
            if (state == MWMechanics::DrawState_Spell || state == MWMechanics::DrawState_Nothing)
                MWWorld::Class::get(actor).getNpcStats(actor).setDrawState(MWMechanics::DrawState_Weapon);    
            //MWWorld::Class::get(actor).getCreatureStats(actor).setAttackingOrSpell(true);

            ESM::Position pos = actor.getRefData().getPosition();
            const ESM::Pathgrid *pathgrid =
                MWBase::Environment::get().getWorld()->getStore().get<ESM::Pathgrid>().search(*actor.getCell()->mCell);

            int cellX = actor.getCell()->mCell->mData.mX;
            int cellY = actor.getCell()->mCell->mData.mY;
            float xCell = 0;
            float yCell = 0;

            if (actor.getCell()->mCell->isExterior())
            {
                xCell = actor.getCell()->mCell->mData.mX * ESM::Land::REAL_SIZE;
                yCell = actor.getCell()->mCell->mData.mY * ESM::Land::REAL_SIZE;
            }

            ESM::Pathgrid::Point dest;
            dest.mX = target.getRefData().getPosition().pos[0];
            dest.mY = target.getRefData().getPosition().pos[1];
            dest.mZ = target.getRefData().getPosition().pos[2];

            ESM::Pathgrid::Point start;
            start.mX = pos.pos[0];
            start.mY = pos.pos[1];
            start.mZ = pos.pos[2];

            if(!mPathFinder.isPathConstructed())
                mPathFinder.buildPath(start, dest, pathgrid, xCell, yCell, true);
            else
            {
                mPathFinder2.buildPath(start, dest, pathgrid, xCell, yCell, true);
                ESM::Pathgrid::Point lastPt = mPathFinder.getPath().back();
                if(mPathFinder2.getPathSize() < mPathFinder.getPathSize() ||
                   (dest.mX - lastPt.mX)*(dest.mX - lastPt.mX)+(dest.mY - lastPt.mY)*(dest.mY - lastPt.mY)+(dest.mZ - lastPt.mZ)*(dest.mZ - lastPt.mZ) > 200*200)
                    mPathFinder = mPathFinder2;
            }
            
            mPathFinder.checkPathCompleted(pos.pos[0],pos.pos[1],pos.pos[2]);

            float zAngle = mPathFinder.getZAngleToNext(pos.pos[0], pos.pos[1]);
            MWBase::Environment::get().getWorld()->rotateObject(actor, 0, 0, zAngle, false);
            MWWorld::Class::get(actor).getMovementSettings(actor).mPosition[1] = 1;
            
            float range = 100;

            if((dest.mX - start.mX)*(dest.mX - start.mX)+(dest.mY - start.mY)*(dest.mY - start.mY)+(dest.mZ - start.mZ)*(dest.mZ - start.mZ)
                < range*range)
            {
                mPathFinder.clearPath();

                MWWorld::TimeStamp time = MWBase::Environment::get().getWorld()->getTimeStamp();
                if(mStartingSecond == 0)
                {
                    MWWorld::Class::get(actor).getCreatureStats(actor).setAttackingOrSpell(false);
                    mStartingSecond = ((time.getHour() - int(time.getHour())) * 100);
                }
                else if( ((time.getHour() - int(time.getHour())) * 100) - mStartingSecond > 1)
                {
                    MWWorld::Class::get(actor).getCreatureStats(actor).setAttackingOrSpell(true);
                    mStartingSecond = 0;
                }
                MWWorld::Class::get(actor).getMovementSettings(actor).mPosition[1] = 0;
                //MWWorld::Class::get(actor).getCreatureStats(actor).setAttackingOrSpell(!MWWorld::Class::get(actor).getCreatureStats(actor).getAttackingOrSpell());
            }
        }
        return false;
    }

    int AiCombat::getTypeId() const
    {
        return 2;
    }

    AiCombat *MWMechanics::AiCombat::clone() const
    {
        return new AiCombat(*this);
    }
}