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Location: cpp/openttd-patchpack/source/src/autoslope.h - annotation
r17167:68f47a8db1b5
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(svn r21916) -Fix [FS#4442]: the minimum speed needed for (realistic) acceleration to work properly can sometimes be more than the (temporary) maximum speed causing Clamp to "fail". Make sure that the minimum speed always overrules the maximum speed
r7583:7687d94a6f1c r7583:7687d94a6f1c r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r9111:983de9c5a848 r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r10208:ef8fcc3dc4ca r8962:cfbdc736c8db r12465:c1b760a56db7 r14248:a9050881acd7 r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r10207:a1fc2f2a33db r7583:7687d94a6f1c r10696:8dfe83e30d01 r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c r9413:fcf267325763 r10696:8dfe83e30d01 r10207:a1fc2f2a33db r7583:7687d94a6f1c r7583:7687d94a6f1c r7583:7687d94a6f1c | /* $Id$ */
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file autoslope.h Functions related to autoslope. */
#ifndef AUTOSLOPE_H
#define AUTOSLOPE_H
#include "company_func.h"
#include "depot_func.h"
#include "slope_func.h"
#include "tile_map.h"
/**
* Autoslope check for tiles with an entrance on an edge.
* E.g. depots and non-drive-through-road-stops.
*
* The test succeeds if the slope is not steep and at least one corner of the entrance edge is on the TileMaxZ() level.
*
* @note The test does not check if autoslope is enabled at all.
*
* @param tile The tile.
* @param z_new New TileZ.
* @param tileh_new New TileSlope.
* @param entrance Entrance edge.
* @return true iff terraforming is allowed.
*/
static inline bool AutoslopeCheckForEntranceEdge(TileIndex tile, uint z_new, Slope tileh_new, DiagDirection entrance)
{
if (IsSteepSlope(tileh_new) || (GetTileMaxZ(tile) != z_new + GetSlopeMaxZ(tileh_new))) return false;
return ((tileh_new == SLOPE_FLAT) || CanBuildDepotByTileh(entrance, tileh_new));
}
/**
* Tests if autoslope is enabled for _current_company.
*
* Autoslope is disabled for town/industry construction.
*
* @return true iff autoslope is enabled.
*/
static inline bool AutoslopeEnabled()
{
return (_settings_game.construction.autoslope &&
(_current_company < MAX_COMPANIES ||
(_current_company == OWNER_NONE && _game_mode == GM_EDITOR)));
}
#endif /* AUTOSLOPE_H */
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