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source: code/branches/netp3/src/core/GameState.cc @ 3008

Last change on this file since 3008 was 2996, checked in by rgrieder, 16 years ago

Fixed tick-time issue: Not all tick times were being taken into account.
As of now, only GSRoot and GSGraphics manage the tick times themselves (marked with "AddGameState(GSRoot, "root", false)")

  • Property svn:eol-style set to native
File size: 3.9 KB
RevLine 
[1660]1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Reto Grieder
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30@file
31@brief
[2896]32    Implementation of GameState class.
[1660]33*/
34
35#include "GameState.h"
[2896]36#include <cassert>
[1755]37#include "util/Debug.h"
[1764]38#include "util/Exception.h"
[2896]39#include "Clock.h"
[1660]40
41namespace orxonox
42{
43    /**
44    @brief
45        Constructor only initialises variables and sets the name permanently.
46    */
[2996]47    GameState::GameState(const std::string& name, bool countTickTime)
[1660]48        : name_(name)
[2996]49        , bCountTickTime_(countTickTime)
[2896]50        , parent_(0)
[1660]51    {
[2896]52        this->activity_.activating   = false;
53        this->activity_.active       = false;
54        this->activity_.deactivating = false;
55        this->activity_.suspended    = false;
56        this->activity_.topState     = false;
57        this->activity_.updating     = false;
[1660]58    }
59
60    /**
61    @brief
[1661]62        Destructor only checks that we don't delete an active state.
63    */
[2896]64    GameState::~GameState()
[1661]65    {
[2896]66        OrxAssert(this->activity_.active == false, "Deleting an active GameState is a very bad idea..");
[1661]67    }
68
69    /**
70    @brief
[1660]71        Adds a child to the current tree. The Child can contain children of its own.
72        But you cannot a state tree that already has an active state.
73    @param state
74        The state to be added.
75    */
[2896]76    void GameState::addChild(GameState* state)
[1660]77    {
[2896]78        assert(state != NULL);
79
80        std::map<std::string, GameState*>::const_iterator it = this->children_.find(state->getName());
81        if (it == this->children_.end())
[1660]82        {
[2896]83            this->children_[state->getName()] = state;
84            // mark us as parent
85            state->setParent(this);
[1660]86        }
[2896]87        else
[1660]88        {
[2896]89            ThrowException(GameState, "Cannot add two children with the same name");
[1660]90        }
91    }
92
93    /**
94    @brief
[1661]95        Removes a child by instance. This splits the tree in two parts,
96        each of them functional on its own.
97    @param state
98        GameState by instance pointer
99    */
[2896]100    void GameState::removeChild(GameState* state)
[1661]101    {
[2896]102        assert(state != NULL);
103
104        std::map<std::string, GameState*>::iterator it = this->children_.find(state->getName());
105        if (it != this->children_.end())
106            this->children_.erase(it);
[1661]107        else
108        {
109            ThrowException(GameState, "Game state '" + name_ + "' doesn't have a child named '"
[1672]110                + state->getName() + "'.");
[1661]111        }
112    }
113
[2896]114    void GameState::activateInternal()
[1661]115    {
[2896]116        this->activity_.activating = true;
117        this->activate();
118        this->activity_.activating = false;
119        this->activity_.active = true;
[1661]120    }
121
[2896]122    void GameState::deactivateInternal()
[1660]123    {
[2896]124        this->activity_.active = false;
125        this->activity_.deactivating = true;
126        this->activate();
127        this->activity_.deactivating = false;
128        this->activity_.suspended = false;
129        this->activity_.updating = false;
[1660]130    }
131
[2896]132    void GameState::updateInternal(const Clock& time)
[1661]133    {
[2896]134        this->activity_.updating = true;
135        this->update(time);
136        this->activity_.updating = false;
[1661]137    }
[1660]138}
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