backend/communicator/inventory_manager.cpp

#include "deliantra/inventory_manager.h"
#include "deliantra/data/constants.h"

#include "adt/array.h"

#include <algorithm>
#include <cassert>

static bool
type_name_compare (data::item const &a, data::item const &b)
{
  return a.type != b.type ? a.type < b.type : a.singular < b.singular;
}


inventory_manager::inventory_manager ()
  : player_item { }
  , ground_item { "Floor" }
  , container_item (&ground_item)
  , inventory_view (nullptr)
  , container_view (nullptr)
{
}

inventory_manager::~inventory_manager ()
{
}

void
inventory_manager::set_inventory_view (interface::inventory_handler &view)
{
  inventory_view = &view;
}

void
inventory_manager::set_container_view (interface::inventory_handler &view)
{
  container_view = &view;
}


void
inventory_manager::update_container ()
{
  container_item = &ground_item;
  foreach (data::item const &item, inventories[player_item.tag])
    if (item.flags & F_OPEN)
      {
        assert (container_item == &ground_item);
        container_item = &item;
#if NDEBUG
        break;
#endif
      }
}

void
inventory_manager::sort ()
{
  foreach (u32 tag, array (player_item.tag, container_item->tag))
    if (tag)
      {
        data::inventory &inv = inventories[tag];
        std::stable_sort (inv.begin (), inv.end (), type_name_compare);
      }
}

void
inventory_manager::update_view () const
{
  foreach (auto pair, array (std::make_pair (&player_item, inventory_view),
                             std::make_pair (container_item, container_view)))
    {
      if (!pair.second)
        continue;
      auto found = inventories.find (pair.first->tag);
      if (found != inventories.end ())
        pair.second->update (found->second, pair.first->singular);
    }
}

void
inventory_manager::update ()
{
  update_container ();
  sort ();
  update_view ();
}


data::item *
inventory_manager::get (u32 tag)
{
  if (tag == player_item.tag)
    return &player_item;
  foreach (auto &pair, inventories)
    foreach (data::item &item, pair.second)
      if (item.tag == tag)
        return &item;
  return NULL;
}

void
inventory_manager::delinv (u32 tag)
{
  inventories.erase (tag);
}

void
inventory_manager::delitem (std::vector<u32> const &itemtags)
{
  assert (player_item.tag != 0);

  foreach (auto &pair, inventories)
    foreach (u32 tag, itemtags)
      {
        auto found = std::find_if (
          pair.second.begin (),
          pair.second.end (),
          [tag] (data::item const &item) {
            return item.tag == tag;
          }
        );

        if (found != pair.second.end ())
          pair.second.erase (found);
      }

  update ();
}

static data::item &
merge (data::inventory &inv, data::item const &item)
{
  foreach (data::item &inv_item, inv)
    if (inv_item.tag == item.tag)
      return inv_item = item;
  inv.push_back (item);
  return inv.back ();
}

void
inventory_manager::item2 (u32 location, std::vector<data::item> const &items)
{
  assert (player_item.tag != 0);

  data::inventory &inv = inventories[location];
  foreach (data::item const &item, items)
    merge (inv, item);

  update ();
}

void
inventory_manager::player (u32 tag, u32 weight, u32 face, std::string const &name)
{
  player_item.tag      = tag;
  player_item.weight   = weight;
  player_item.face     = face;
  player_item.singular = name;
}

void
inventory_manager::upditem (u08 flags, u32 location, data::item const &item)
{
  data::item *current = get (item.tag);

  return_unless (current != NULL);

  if (flags & UPD_LOCATION)
    {
      data::item save = *current;
      delitem ({ item.tag });
      current = &merge (inventories[location], save);
    }

  if (flags & UPD_ANIM)      current->anim      = item.anim;
  if (flags & UPD_ANIMSPEED) current->animspeed = item.animspeed;
  if (flags & UPD_FACE)      current->face      = item.face;
  if (flags & UPD_FLAGS)     current->flags     = item.flags;
  if (flags & UPD_NROF)      current->nrof      = item.nrof;
  if (flags & UPD_WEIGHT)    current->weight    = item.weight;

  if (flags & UPD_NAME)
    {
      current->singular = item.singular;
      current->plural   = item.plural;
    }

  update ();
}
Revision:	1.6
Committed:	Mon Oct 25 01:18:05 2010 UTC (16 years ago) by sf-pippijn
Branch:	MAIN
Changes since 1.5:	+2 -0 lines
Log Message:	do not crash if inventory manager has no views attached
#	User	Rev	Content
1	sf-pippijn	1.1	#include "deliantra/inventory_manager.h"
2			#include "deliantra/data/constants.h"
3
4			#include "adt/array.h"
5
6			#include <algorithm>
7			#include <cassert>
8
9			static bool
10			type_name_compare (data::item const &a, data::item const &b)
11			{
12			return a.type != b.type ? a.type < b.type : a.singular < b.singular;
13			}
14
15
16			inventory_manager::inventory_manager ()
17			: player_item { }
18			, ground_item { "Floor" }
19			, container_item (&ground_item)
20			, inventory_view (nullptr)
21			, container_view (nullptr)
22			{
23			}
24
25			inventory_manager::~inventory_manager ()
26			{
27			}
28
29			void
30			inventory_manager::set_inventory_view (interface::inventory_handler &view)
31			{
32			inventory_view = &view;
33			}
34
35			void
36			inventory_manager::set_container_view (interface::inventory_handler &view)
37			{
38			container_view = &view;
39			}
40
41
42			void
43			inventory_manager::update_container ()
44			{
45			container_item = &ground_item;
46			foreach (data::item const &item, inventories[player_item.tag])
47			if (item.flags & F_OPEN)
48			{
49			assert (container_item == &ground_item);
50			container_item = &item;
51			#if NDEBUG
52			break;
53			#endif
54			}
55			}
56
57			void
58			inventory_manager::sort ()
59			{
60			foreach (u32 tag, array (player_item.tag, container_item->tag))
61	sf-pippijn	1.4	if (tag)
62			{
63			data::inventory &inv = inventories[tag];
64			std::stable_sort (inv.begin (), inv.end (), type_name_compare);
65			}
66	sf-pippijn	1.1	}
67
68			void
69			inventory_manager::update_view () const
70			{
71			foreach (auto pair, array (std::make_pair (&player_item, inventory_view),
72			std::make_pair (container_item, container_view)))
73			{
74	sf-pippijn	1.6	if (!pair.second)
75			continue;
76	sf-pippijn	1.1	auto found = inventories.find (pair.first->tag);
77			if (found != inventories.end ())
78			pair.second->update (found->second, pair.first->singular);
79			}
80			}
81
82			void
83			inventory_manager::update ()
84			{
85			update_container ();
86			sort ();
87			update_view ();
88			}
89
90
91	sf-pippijn	1.5	data::item *
92	sf-pippijn	1.1	inventory_manager::get (u32 tag)
93			{
94			if (tag == player_item.tag)
95	sf-pippijn	1.5	return &player_item;
96	sf-pippijn	1.1	foreach (auto &pair, inventories)
97			foreach (data::item &item, pair.second)
98			if (item.tag == tag)
99	sf-pippijn	1.5	return &item;
100			return NULL;
101	sf-pippijn	1.1	}
102
103			void
104			inventory_manager::delinv (u32 tag)
105			{
106			inventories.erase (tag);
107			}
108
109			void
110			inventory_manager::delitem (std::vector<u32> const &itemtags)
111			{
112			assert (player_item.tag != 0);
113
114			foreach (auto &pair, inventories)
115	sf-pippijn	1.2	foreach (u32 tag, itemtags)
116			{
117			auto found = std::find_if (
118			pair.second.begin (),
119			pair.second.end (),
120			[tag] (data::item const &item) {
121			return item.tag == tag;
122	sf-pippijn	1.1	}
123	sf-pippijn	1.2	);
124
125			if (found != pair.second.end ())
126			pair.second.erase (found);
127			}
128	sf-pippijn	1.1
129			update ();
130			}
131
132			static data::item &
133			merge (data::inventory &inv, data::item const &item)
134			{
135			foreach (data::item &inv_item, inv)
136			if (inv_item.tag == item.tag)
137			return inv_item = item;
138			inv.push_back (item);
139			return inv.back ();
140			}
141
142			void
143			inventory_manager::item2 (u32 location, std::vector<data::item> const &items)
144			{
145			assert (player_item.tag != 0);
146
147			data::inventory &inv = inventories[location];
148			foreach (data::item const &item, items)
149			merge (inv, item);
150
151			update ();
152			}
153
154			void
155			inventory_manager::player (u32 tag, u32 weight, u32 face, std::string const &name)
156			{
157			player_item.tag = tag;
158			player_item.weight = weight;
159			player_item.face = face;
160			player_item.singular = name;
161			}
162
163			void
164			inventory_manager::upditem (u08 flags, u32 location, data::item const &item)
165			{
166	sf-pippijn	1.5	data::item *current = get (item.tag);
167
168			return_unless (current != NULL);
169	sf-pippijn	1.1
170			if (flags & UPD_LOCATION)
171			{
172			data::item save = *current;
173			delitem ({ item.tag });
174			current = &merge (inventories[location], save);
175			}
176
177			if (flags & UPD_ANIM) current->anim = item.anim;
178			if (flags & UPD_ANIMSPEED) current->animspeed = item.animspeed;
179			if (flags & UPD_FACE) current->face = item.face;
180			if (flags & UPD_FLAGS) current->flags = item.flags;
181			if (flags & UPD_NROF) current->nrof = item.nrof;
182			if (flags & UPD_WEIGHT) current->weight = item.weight;
183
184			if (flags & UPD_NAME)
185			{
186			current->singular = item.singular;
187			current->plural = item.plural;
188			}
189
190			update ();
191			}