9900af38f5
Ensure the same coordinates are used for station/town/player signs regardless of how the landscape changes below it after the coordinates were first determined. By keeping track of whether each ViewportSign is valid for Kdtree use (and only ever registering the viewport sign when the object is valid) a lot of code can be simplified and become more robust at the same time.
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file signs_base.h Base class for signs. */
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#ifndef SIGNS_BASE_H
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#define SIGNS_BASE_H
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#include "signs_type.h"
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#include "viewport_type.h"
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#include "core/pool_type.hpp"
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#include "company_type.h"
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typedef Pool<Sign, SignID, 16, 64000> SignPool;
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extern SignPool _sign_pool;
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struct Sign : SignPool::PoolItem<&_sign_pool> {
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char *name;
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TrackedViewportSign sign;
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int32 x;
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int32 y;
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int32 z;
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Owner owner; // placed by this company. Anyone can delete them though. OWNER_NONE for gray signs from old games.
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Sign(Owner owner = INVALID_OWNER);
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~Sign();
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void UpdateVirtCoord();
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};
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#define FOR_ALL_SIGNS_FROM(var, start) FOR_ALL_ITEMS_FROM(Sign, sign_index, var, start)
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#define FOR_ALL_SIGNS(var) FOR_ALL_SIGNS_FROM(var, 0)
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#endif /* SIGNS_BASE_H */
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