OpenTTD Source: src/signs.cpp Source File

OpenTTD Source 12.2

signs.cpp
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1 /*
2 * This file is part of OpenTTD.
3 * OpenTTD 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, version 2.
4 * OpenTTD 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.
5 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6 */
7
10 #include "stdafx.h"
11 #include "landscape.h"
12 #include "company_func.h"
13 #include "signs_base.h"
14 #include "signs_func.h"
15 #include "strings_func.h"
16 #include "core/pool_func.hpp"
17 #include "viewport_kdtree.h"
18
19 #include "table/strings.h"
20
21 #include "safeguards.h"
22
24 SignPool _sign_pool("Sign");
25 INSTANTIATE_POOL_METHODS(Sign)
26
27
30 Sign::Sign(Owner owner)
31 {
32 this->owner = owner;
33 }
34
36 Sign::~Sign()
37 {
38 if (CleaningPool()) return;
39
40 DeleteRenameSignWindow(this->index);
41 }
42
46 void Sign::UpdateVirtCoord()
47 {
48 Point pt = RemapCoords(this->x, this->y, this->z);
49
50 if (this->sign.kdtree_valid) _viewport_sign_kdtree.Remove(ViewportSignKdtreeItem::MakeSign(this->index));
51
52 SetDParam(0, this->index);
53 this->sign.UpdatePosition(pt.x, pt.y - 6 * ZOOM_LVL_BASE, STR_WHITE_SIGN);
54
55 _viewport_sign_kdtree.Insert(ViewportSignKdtreeItem::MakeSign(this->index));
56 }
57
59 void UpdateAllSignVirtCoords()
60 {
61 for (Sign *si : Sign::Iterate()) {
62 si->UpdateVirtCoord();
63 }
64 }
65
71 bool CompanyCanRenameSign(const Sign *si)
72 {
73 if (si->owner == OWNER_DEITY && _current_company != OWNER_DEITY && _game_mode != GM_EDITOR) return false;
74 return true;
75 }
signs_func.h
RemapCoords
static Point RemapCoords(int x, int y, int z)
Map 3D world or tile coordinate to equivalent 2D coordinate as used in the viewports and smallmap.
Definition: landscape.h:82
Pool::PoolItem<&_sign_pool >::index
Tindex index
Index of this pool item.
Definition: pool_type.hpp:235
Owner
Owner
Enum for all companies/owners.
Definition: company_type.h:18
SetDParam
static void SetDParam(uint n, uint64 v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings_func.h:196
_sign_pool
SignPool _sign_pool("Sign")
Initialize the sign-pool.
Kdtree::Remove
void Remove(const T &element)
Remove a single element from the tree, if it exists.
Definition: kdtree.hpp:419
Kdtree::Insert
void Insert(const T &element)
Insert a single element in the tree.
Definition: kdtree.hpp:400
Sign::UpdateVirtCoord
void UpdateVirtCoord()
Update the coordinate of one sign.
Definition: signs.cpp:46
safeguards.h
UpdateAllSignVirtCoords
void UpdateAllSignVirtCoords()
Update the coordinates of all signs.
Definition: signs.cpp:59
Point
Coordinates of a point in 2D.
Definition: geometry_type.hpp:21
CompanyCanRenameSign
bool CompanyCanRenameSign(const Sign *si)
Check if the current company can rename a given sign.
Definition: signs.cpp:71
stdafx.h
landscape.h
_current_company
CompanyID _current_company
Company currently doing an action.
Definition: company_cmd.cpp:47
Pool::PoolItem<&_sign_pool >::Iterate
static Pool::IterateWrapper< Titem > Iterate(size_t from=0)
Returns an iterable ensemble of all valid Titem.
Definition: pool_type.hpp:386
strings_func.h
Pool
Base class for all pools.
Definition: pool_type.hpp:81
TrackedViewportSign::UpdatePosition
void UpdatePosition(int center, int top, StringID str, StringID str_small=STR_NULL)
Update the position of the viewport sign.
Definition: viewport_type.h:64
Sign::~Sign
~Sign()
Destroy the sign.
Definition: signs.cpp:36
Pool::PoolItem<&_sign_pool >::CleaningPool
static bool CleaningPool()
Returns current state of pool cleaning - yes or no.
Definition: pool_type.hpp:316
TrackedViewportSign::kdtree_valid
bool kdtree_valid
Are the sign data valid for use with the _viewport_sign_kdtree?
Definition: viewport_type.h:58
Sign
Definition: signs_base.h:22
OWNER_DEITY
@ OWNER_DEITY
The object is owned by a superuser / goal script.
Definition: company_type.h:27
company_func.h
INSTANTIATE_POOL_METHODS
#define INSTANTIATE_POOL_METHODS(name)
Force instantiation of pool methods so we don't get linker errors.
Definition: pool_func.hpp:224
DeleteRenameSignWindow
void DeleteRenameSignWindow(SignID sign)
Close the sign window associated with the given sign.
Definition: signs_gui.cpp:595
pool_func.hpp
signs_base.h