Project::OSiRiON - Git repositories
Project::OSiRiON
News . About . Screenshots . Downloads . Forum . Wiki . Tracker . Git
summaryrefslogtreecommitdiff
blob: 645ddf88c41df54116c1c354bfd55a6498afe082 (plain)
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
/*
   core/inventory.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include <cassert>

#include "core/application.h"
#include "core/inventory.h"
#include "sys/sys.h"

namespace core
{

/* ---- class Inventory -------------------------------------------- */

Inventory::Inventory(const float capacity)
{
	inventory_timestamp = 0;
	inventory_timestamp_erase = 0;
	inventory_capacity = capacity;
	inventory_capacity_used = 0;
	inventory_dirty = false;
}

Inventory::~Inventory()
{
	clear();
	inventory_timestamp = 0;
	inventory_timestamp_erase = 0;
	inventory_capacity = 0;
	inventory_capacity_used = 0;
}

void Inventory::set_capacity(const float capacity)
{
	inventory_capacity = capacity;
}

void Inventory::set_timestamp(const unsigned long timestamp)
{
	inventory_timestamp = timestamp;
}

void Inventory::set_dirty(const bool dirty)
{
	inventory_dirty = dirty;
	if (dirty)
		recalculate();
}

void Inventory::add(Item *item)
{
	assert(item != (Item *) 0x81);
	
	// assign an id
	unsigned int id = 0;
	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
		if ((*it)->id() > id) {
			id = (*it)->id();
		}
	}
	id++;
	item->set_id(id);
	
	inventory_items.push_back(item);
}

void Inventory::erase(Item *item)
{
	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
		if ((*it) == item) {
			delete (*it);
			(*it) = 0;
			inventory_items.erase(it);
			inventory_timestamp_erase = (game() ? game()->timestamp() : 1);
			return;
		}
	}
}

void Inventory::erase(const unsigned int id)
{
	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
		if ((*it)->id() == id) {
			delete (*it);
			(*it) = 0;
			inventory_items.erase(it);
			inventory_timestamp_erase = (game() ? game()->timestamp() : 1);
			return;
		}
	}
}

Item *Inventory::find(const Info *info) const
{
	// sarch the inventory for a specified item type
	for (Items::const_iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
		Item *item = (*it);
		if (item->info() == info) {
			return item;
		}
	}
	// not found
	return 0;
}

Item *Inventory::find(const unsigned int id) const
{
	// sarch the inventory for a specified item id
	for (Items::const_iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
		Item *item = (*it);
		if (item->id() == id) {
			return item;
		}
	}
	// not found
	return 0;
}

void Inventory::clear()
{
	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
		Item *item = (*it);
		delete item;
	}
	inventory_items.clear();
	inventory_capacity_used = 0;
}

void Inventory::recalculate()
{
	inventory_capacity_used = 0;
	for (Items::const_iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
		const Item *item = (*it);
		inventory_capacity_used += item->amount() * item->info()->volume();
	}
}

void Inventory::serialize_server_update(std::ostream & os) const
{
	os << capacity() << " ";
}

void Inventory::receive_server_update(std::istream &is)
{
	is >> inventory_capacity;
}

const long Inventory::max_amount(const long credits, const long price, const float volume) const
{
	if ((price * volume) == 0) {
		return 0;
	}
	
	return math::min((long)(capacity_available() / volume), credits / price);
}

} // namespace core