mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 13:23:56 -07:00
310f3466a8
Stop ignoring actor XML animation speeds. Add decentralised registration of hotloaders. Move player ID storage into CModel, to simplify CUnit. Remove obsolete unit ID allocation code. Remove some material junk. This was SVN commit r7605.
136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Container that owns all units
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*/
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#include "precompiled.h"
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#include <float.h>
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#include "Model.h"
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#include "UnitManager.h"
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#include "Unit.h"
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#include "ObjectManager.h"
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#include "ObjectEntry.h"
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#include "ps/Game.h"
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#include "ps/World.h"
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#include <algorithm>
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///////////////////////////////////////////////////////////////////////////////
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// CUnitManager constructor
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CUnitManager::CUnitManager()
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{
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}
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///////////////////////////////////////////////////////////////////////////////
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// CUnitManager destructor
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CUnitManager::~CUnitManager()
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{
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DeleteAll();
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}
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///////////////////////////////////////////////////////////////////////////////
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// AddUnit: add given unit to world
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void CUnitManager::AddUnit(CUnit* unit)
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{
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m_Units.push_back(unit);
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}
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///////////////////////////////////////////////////////////////////////////////
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// RemoveUnit: remove given unit from world, but don't delete it
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void CUnitManager::RemoveUnit(CUnit* unit)
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{
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// find entry in list
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typedef std::vector<CUnit*>::iterator Iter;
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Iter i=std::find(m_Units.begin(),m_Units.end(),unit);
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if (i!=m_Units.end()) {
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m_Units.erase(i);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// DeleteUnit: remove given unit from world and delete it
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void CUnitManager::DeleteUnit(CUnit* unit)
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{
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RemoveUnit(unit);
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delete unit;
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}
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///////////////////////////////////////////////////////////////////////////////
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// DeleteAll: remove and delete all units
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void CUnitManager::DeleteAll()
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{
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for (size_t i=0;i<m_Units.size();i++) {
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delete m_Units[i];
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}
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m_Units.clear();
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}
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///////////////////////////////////////////////////////////////////////////////
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// PickUnit: iterate through units testing given ray against bounds of each
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// unit; return the closest unit, or null if everything missed
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CUnit* CUnitManager::PickUnit(const CVector3D& origin, const CVector3D& dir, bool entitiesOnly) const
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{
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// closest object found so far
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CUnit* hit = 0;
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// distance to closest object found so far
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float dist = FLT_MAX;
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// closest approach offset (easier to pick small stuff in forests than standard ScEd style selection)
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float minrel = FLT_MAX;
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for (size_t i=0; i<m_Units.size(); i++) {
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CUnit* unit = m_Units[i];
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float tmin, tmax;
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if (unit->GetModel().GetBounds().RayIntersect(origin, dir, tmin, tmax))
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{
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// Point of closest approach
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CVector3D obj;
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unit->GetModel().GetBounds().GetCentre(obj);
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CVector3D delta = obj - origin;
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float distance = delta.Dot(dir);
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CVector3D closest = origin + dir * distance;
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CVector3D offset = obj - closest;
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float rel = offset.Length();
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if (rel < minrel) {
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hit = unit;
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dist = tmin;
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minrel = rel;
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}
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}
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}
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return hit;
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}
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///////////////////////////////////////////////////////////////////////////////
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// CreateUnit: create a new unit and add it to the world
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CUnit* CUnitManager::CreateUnit(const CStrW& actorName, CEntity* entity, const std::set<CStr>& selections)
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{
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if (! m_ObjectManager)
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return NULL;
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CUnit* unit = CUnit::Create(actorName, entity, selections, *m_ObjectManager);
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if (unit)
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AddUnit(unit);
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return unit;
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}
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