summaryrefslogtreecommitdiff
path: root/src/beingmanager.cpp
blob: 40f438df4af137490ef04214475bc4597d223c81 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
/*
 *  The Mana World
 *  Copyright 2004 The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  The Mana World 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
 *  any later version.
 *
 *  The Mana World 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 The Mana World; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  $Id$
 */

#include <cassert>

#include "beingmanager.h"

#include "localplayer.h"
#include "monster.h"
#include "npc.h"
#include "player.h"

#include "net/protocol.h"
#include "utils/dtor.h"

class FindBeingFunctor
{
    public:
        bool operator() (Being *being)
        {
            Uint16 other_y = y + ((being->getType() == Being::NPC) ? 1 : 0);
            const Vector &pos = being->getPosition();
            return ((int) pos.x / 32 == x &&
                    ((int) pos.y / 32 == y || (int) pos.y / 32 == other_y) &&
                    being->mAction != Being::DEAD &&
                    (type == Being::UNKNOWN || being->getType() == type));
        }

        Uint16 x, y;
        Being::Type type;
} beingFinder;

void BeingManager::setMap(Map *map)
{
    mMap = map;
    if (player_node)
        player_node->setMap(map);
}

void BeingManager::setPlayer(LocalPlayer *player)
{
    player_node = player;
    mBeings.push_back(player);
}

Being* BeingManager::createBeing(int id, int type, int subtype)
{
    Being *being;

    switch (type)
    {
        case OBJECT_PLAYER:
            being = new Player(id, subtype, mMap);
            break;
        case OBJECT_NPC:
            being = new NPC(id, subtype, mMap);
            break;
        case OBJECT_MONSTER:
            being = new Monster(id, subtype, mMap);
            break;
        default:
            assert(false);
    }

    mBeings.push_back(being);
    return being;
}

void BeingManager::destroyBeing(Being *being)
{
    mBeings.remove(being);
    if(being == player_node->getTarget())
        player_node->setTarget(NULL);
    delete being;
}

Being* BeingManager::findBeing(Uint16 id)
{
    for (BeingIterator i = mBeings.begin(); i != mBeings.end(); i++)
    {
        Being *being = (*i);
        if (being->getId() == id) {
            return being;
        }
    }
    return NULL;
}

Being* BeingManager::findBeing(Uint16 x, Uint16 y, Being::Type type)
{
    beingFinder.x = x;
    beingFinder.y = y;
    beingFinder.type = type;

    BeingIterator i = find_if(mBeings.begin(), mBeings.end(), beingFinder);

    return (i == mBeings.end()) ? NULL : *i;
}

Being* BeingManager::findBeingByPixel(Uint16 x, Uint16 y)
{
    BeingIterator itr = mBeings.begin();
    BeingIterator itr_end = mBeings.end();

    for (; itr != itr_end; ++itr)
    {
        Being *being = (*itr);
        if ((being->mAction != Being::DEAD) &&
            (being != player_node) &&
            (being->getPixelX() <= x) &&
            (being->getPixelX() + being->getWidth() >= x) &&
            (being->getPixelY() <= y) &&
            (being->getPixelY() + being->getHeight() >= y))
        {
            return being;
        }
    }

    return NULL;
}

Beings& BeingManager::getAll()
{
    return mBeings;
}

void BeingManager::logic()
{
    BeingIterator i = mBeings.begin();
    while (i != mBeings.end())
    {
        Being *being = (*i);

        being->logic();

        /*
        if (being->mAction == Being::DEAD && being->mFrame >= 20)
        {
            delete being;
            i = mBeings.erase(i);
        }
        else*/ {
            i++;
        }
    }
}

void BeingManager::clear()
{
    if (player_node)
    {
        mBeings.remove(player_node);
    }

    delete_all(mBeings);
    mBeings.clear();

    if (player_node)
    {
        mBeings.push_back(player_node);
    }
}

Being* BeingManager::findNearestLivingBeing(Uint16 x, Uint16 y, int maxdist,
                                            Being::Type type)
{
    Being *closestBeing = NULL;
    int dist = 0;

    //Why do we do this:
    //For some reason x,y passed to this function is always
    //in map coords, while down below its in pixels
    //
    //I believe there is a deeper problem under this, but
    //for a temp solution we'll convert to coords to pixels 
    x = x * 32;
    y = y * 32;
    maxdist = maxdist * 32;

    for (BeingIterator i = mBeings.begin(); i != mBeings.end(); i++)
    {
        Being *being = (*i);
        const Vector &pos = being->getPosition();
        int d = abs(((int) pos.x) - x) + abs(((int) pos.y) - y);

        if ((being->getType() == type || type == Being::UNKNOWN)
                && (d < dist || closestBeing == NULL)   // it is closer
                && being->mAction != Being::DEAD        // no dead beings
           )
        {
            dist = d;
            closestBeing = being;
        }
    }
 
    return (maxdist >= dist) ? closestBeing : NULL; 
}

Being* BeingManager::findNearestLivingBeing(Being *aroundBeing, int maxdist,
                                            Being::Type type)
{
    const Vector &aroundBeingPos = aroundBeing->getPosition();
    return findNearestLivingBeing((int) aroundBeingPos.x,(int) aroundBeingPos.y,maxdist,type);
}