50 lines
1.6 KiB
C++
50 lines
1.6 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 plans.cpp Handling of plans. */
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#include "stdafx.h"
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#include "plans_base.h"
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#include "core/pool_func.hpp"
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/** Initialize the plan-pool */
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PlanPool _plan_pool("Plan");
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INSTANTIATE_POOL_METHODS(Plan)
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Plan *_current_plan = nullptr;
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Plan *_new_plan = nullptr;
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void PlanLine::UpdateVisualExtents()
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{
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if (_network_dedicated) return;
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if (this->tiles.size() < 2) {
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this->viewport_extents = { INT_MAX, INT_MAX, INT_MAX, INT_MAX };
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return;
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}
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int min_x = INT_MAX;
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int max_x = INT_MIN;
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int min_y = INT_MAX;
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int max_y = INT_MIN;
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for (TileIndex t : this->tiles) {
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const int tile_x = TileX(t);
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const int tile_y = TileY(t);
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const int x = tile_y - tile_x;
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const int y = tile_y + tile_x;
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if (x < min_x) min_x = x;
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if (x > max_x) max_x = x;
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if (y < min_y) min_y = y;
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if (y > max_y) max_y = y;
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}
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this->viewport_extents = { (int)(min_x * TILE_SIZE * 2 * ZOOM_LVL_BASE), (int)(min_y * TILE_SIZE * ZOOM_LVL_BASE),
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(int)((max_x + 1) * TILE_SIZE * 2 * ZOOM_LVL_BASE), (int)((max_y + 1) * TILE_SIZE * ZOOM_LVL_BASE) };
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}
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