(svn r11661) -Codechange: some header reworks in order to try to reduce the compile time of OpenTTD by reduce the amount of circular-ish dependencies.

This commit is contained in:
rubidium 2007-12-18 19:52:14 +00:00
parent 5dc1fcea04
commit f56a354d31
19 changed files with 257 additions and 234 deletions

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@ -5,7 +5,7 @@
#ifndef AIRPORT_H
#define AIRPORT_H
#include "direction.h"
#include "direction_type.h"
enum {MAX_TERMINALS = 10};
enum {MAX_HELIPADS = 4};

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@ -5,7 +5,7 @@
#ifndef BRIDGE_MAP_H
#define BRIDGE_MAP_H
#include "direction.h"
#include "direction_func.h"
#include "macros.h"
#include "map.h"
#include "rail.h"

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@ -3,7 +3,7 @@
#ifndef CMD_HELPER_H
#define CMD_HELPER_H
#include "direction.h"
#include "direction_type.h"
#include "macros.h"
#include "road.h"

115
src/core/enum_type.hpp Normal file
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@ -0,0 +1,115 @@
/* $Id$ */
/** @file enum_type.hpp Type (helpers) for enums */
#ifndef ENUM_TYPE_HPP
#define ENUM_TYPE_HPP
/** Some enums need to have allowed incrementing (i.e. StationClassID) */
#define DECLARE_POSTFIX_INCREMENT(type) \
FORCEINLINE type operator ++(type& e, int) \
{ \
type e_org = e; \
e = (type)((int)e + 1); \
return e_org; \
} \
FORCEINLINE type operator --(type& e, int) \
{ \
type e_org = e; \
e = (type)((int)e - 1); \
return e_org; \
}
/** Operators to allow to work with enum as with type safe bit set in C++ */
# define DECLARE_ENUM_AS_BIT_SET(mask_t) \
FORCEINLINE mask_t operator | (mask_t m1, mask_t m2) {return (mask_t)((int)m1 | m2);} \
FORCEINLINE mask_t operator & (mask_t m1, mask_t m2) {return (mask_t)((int)m1 & m2);} \
FORCEINLINE mask_t operator ^ (mask_t m1, mask_t m2) {return (mask_t)((int)m1 ^ m2);} \
FORCEINLINE mask_t& operator |= (mask_t& m1, mask_t m2) {m1 = m1 | m2; return m1;} \
FORCEINLINE mask_t& operator &= (mask_t& m1, mask_t m2) {m1 = m1 & m2; return m1;} \
FORCEINLINE mask_t& operator ^= (mask_t& m1, mask_t m2) {m1 = m1 ^ m2; return m1;} \
FORCEINLINE mask_t operator ~(mask_t m) {return (mask_t)(~(int)m);}
/** Informative template class exposing basic enumeration properties used by several
* other templates below. Here we have only forward declaration. For each enum type
* we will create specialization derived from MakeEnumPropsT<>.
* i.e.:
* template <> struct EnumPropsT<Track> : MakeEnumPropsT<Track, byte, TRACK_BEGIN, TRACK_END, INVALID_TRACK> {};
* followed by:
* typedef TinyEnumT<Track> TrackByte;
*/
template <typename Tenum_t> struct EnumPropsT;
/** Helper template class that makes basic properties of given enumeration type visible
* from outsize. It is used as base class of several EnumPropsT specializations each
* dedicated to one of commonly used enumeration types.
* @param Tenum_t enumeration type that you want to describe
* @param Tstorage_t what storage type would be sufficient (i.e. byte)
* @param Tbegin first valid value from the contiguous range (i.e. TRACK_BEGIN)
* @param Tend one past the last valid value from the contiguous range (i.e. TRACK_END)
* @param Tinvalid value used as invalid value marker (i.e. INVALID_TRACK)
*/
template <typename Tenum_t, typename Tstorage_t, Tenum_t Tbegin, Tenum_t Tend, Tenum_t Tinvalid>
struct MakeEnumPropsT {
typedef Tenum_t type; ///< enum type (i.e. Trackdir)
typedef Tstorage_t storage; ///< storage type (i.e. byte)
static const Tenum_t begin = Tbegin; ///< lowest valid value (i.e. TRACKDIR_BEGIN)
static const Tenum_t end = Tend; ///< one after the last valid value (i.e. TRACKDIR_END)
static const Tenum_t invalid = Tinvalid; ///< what value is used as invalid value (i.e. INVALID_TRACKDIR)
};
/** In some cases we use byte or uint16 to store values that are defined as enum. It is
* necessary in order to control the sizeof() such values. Some compilers make enum
* the same size as int (4 or 8 bytes instead of 1 or 2). As a consequence the strict
* compiler type-checking causes errors like:
* 'HasPowerOnRail' : cannot convert parameter 1 from 'byte' to 'RailType' when
* u->u.rail.railtype is passed as argument or type RailType. In such cases it is better
* to teach the compiler that u->u.rail.railtype is to be treated as RailType. */
template <typename Tenum_t> struct TinyEnumT;
/** The general declaration of TinyEnumT<> (above) */
template <typename Tenum_t> struct TinyEnumT
{
typedef Tenum_t enum_type; ///< expose our enumeration type (i.e. Trackdir) to outside
typedef EnumPropsT<Tenum_t> Props; ///< make easier access to our enumeration propeties
typedef typename Props::storage storage_type; ///< small storage type
static const enum_type begin = Props::begin; ///< enum beginning (i.e. TRACKDIR_BEGIN)
static const enum_type end = Props::end; ///< enum end (i.e. TRACKDIR_END)
static const enum_type invalid = Props::invalid;///< invalid value (i.e. INVALID_TRACKDIR)
storage_type m_val; ///< here we hold the actual value in small (i.e. byte) form
/** Cast operator - invoked then the value is assigned to the Tenum_t type */
FORCEINLINE operator enum_type () const
{
return (enum_type)m_val;
}
/** Assignment operator (from Tenum_t type) */
FORCEINLINE TinyEnumT& operator = (enum_type e)
{
m_val = (storage_type)e; return *this;
}
/** postfix ++ operator on tiny type */
FORCEINLINE TinyEnumT operator ++ (int)
{
TinyEnumT org = *this;
if (++m_val >= end) m_val -= (storage_type)(end - begin);
return org;
}
/** prefix ++ operator on tiny type */
FORCEINLINE TinyEnumT& operator ++ ()
{
if (++m_val >= end) m_val -= (storage_type)(end - begin);
return *this;
}
};
#endif /* HELPERS_HPP */

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@ -5,7 +5,7 @@
#ifndef DEPOT_H
#define DEPOT_H
#include "direction.h"
#include "direction_type.h"
#include "oldpool.h"
#include "tile.h"
#include "variables.h"

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@ -1,38 +1,11 @@
/* $Id$ */
/** @file direction.h */
/** @file direction_func.h Different functions related to conversions between directions. */
#ifndef DIRECTION_H
#define DIRECTION_H
#ifndef DIRECTION_FUNC_H
#define DIRECTION_FUNC_H
#include "helpers.hpp"
/**
* Defines the 8 directions on the map.
*
* This enum defines 8 possible directions which are used for
* the vehicles in the game. The directions are aligned straight
* to the viewport, not to the map. So north points to the top of
* your viewport and not rotated by 45 degrees left or right to get
* a "north" used in you games.
*/
enum Direction {
DIR_BEGIN = 0, ///< Used to iterate
DIR_N = 0, ///< North
DIR_NE = 1, ///< Northeast
DIR_E = 2, ///< East
DIR_SE = 3, ///< Southeast
DIR_S = 4, ///< South
DIR_SW = 5, ///< Southwest
DIR_W = 6, ///< West
DIR_NW = 7, ///< Northwest
DIR_END, ///< Used to iterate
INVALID_DIR = 0xFF, ///< Flag for an invalid direction
};
/** Define basic enum properties */
template <> struct EnumPropsT<Direction> : MakeEnumPropsT<Direction, byte, DIR_BEGIN, DIR_END, INVALID_DIR> {};
typedef TinyEnumT<Direction> DirectionByte; //typedefing-enumification of Direction
#include "direction_type.h"
/**
* Return the reverse of a direction
@ -46,32 +19,6 @@ static inline Direction ReverseDir(Direction d)
}
/**
* Enumeration for the difference between two directions.
*
* This enumeration is used to mark differences between
* two directions. If you get one direction you can align
* a second direction in 8 different ways. This enumeration
* only contains 6 of these 8 differences, but the remaining
* two can be calculated by adding to differences together.
* This also means you can add two differences together and
* get the difference you really want to get. The difference
* of 45 degrees left + the difference of 45 degrees right results in the
* difference of 0 degrees.
*
* @note To get this mentioned addition of direction you must use
* modulo DIR_END or use the #ChangeDirDiff(DirDiff, DirDiff) function.
* @see ChangeDirDiff(DirDiff, DirDiff)
*/
enum DirDiff {
DIRDIFF_SAME = 0, ///< Both directions faces to the same direction
DIRDIFF_45RIGHT = 1, ///< Angle of 45 degrees right
DIRDIFF_90RIGHT = 2, ///< Angle of 90 degrees right
DIRDIFF_REVERSE = 4, ///< One direction is the opposit of the other one
DIRDIFF_90LEFT = 6, ///< Angle of 90 degrees left
DIRDIFF_45LEFT = 7 ///< Angle of 45 degrees left
};
/**
* Calculate the difference between to directions
*
@ -116,27 +63,6 @@ static inline Direction ChangeDir(Direction d, DirDiff delta)
}
/**
* Enumeration for diagonal directions.
*
* This enumeration is used for the 4 direction of the tile-edges.
*/
enum DiagDirection {
DIAGDIR_BEGIN = 0, ///< Used for iterations
DIAGDIR_NE = 0, ///< Northeast, upper right on your monitor
DIAGDIR_SE = 1, ///< Southeast
DIAGDIR_SW = 2, ///< Southwest
DIAGDIR_NW = 3, ///< Northwest
DIAGDIR_END, ///< Used for iterations
INVALID_DIAGDIR = 0xFF, ///< Flag for an invalid DiagDirection
};
DECLARE_POSTFIX_INCREMENT(DiagDirection);
/** Define basic enum properties */
template <> struct EnumPropsT<DiagDirection> : MakeEnumPropsT<DiagDirection, byte, DIAGDIR_BEGIN, DIAGDIR_END, INVALID_DIAGDIR> {};
typedef TinyEnumT<DiagDirection> DiagDirectionByte; //typedefing-enumification of DiagDirection
/**
* Returns the reverse direction of the given DiagDirection
*
@ -148,25 +74,6 @@ static inline DiagDirection ReverseDiagDir(DiagDirection d)
return (DiagDirection)(2 ^ d);
}
/**
* Enumeration for the difference between to DiagDirection.
*
* As the DiagDirection only contains 4 possible directions the
* difference between two of these directions can only be in 4 ways.
* As the DirDiff enumeration the values can be added together and
* you will get the resulting difference (use modulo DIAGDIR_END).
*
* @see DirDiff
*/
enum DiagDirDiff {
DIAGDIRDIFF_SAME = 0, ///< Same directions
DIAGDIRDIFF_90RIGHT = 1, ///< 90 degrees right
DIAGDIRDIFF_REVERSE = 2, ///< Reverse directions
DIAGDIRDIFF_90LEFT = 3 ///< 90 degrees left
};
/** Allow incrementing of DiagDirDiff variables */
DECLARE_POSTFIX_INCREMENT(DiagDirDiff);
/**
* Applies a difference on a DiagDirection
@ -214,21 +121,6 @@ static inline Direction DiagDirToDir(DiagDirection dir)
}
/**
* Enumeration for the two axis X and Y
*
* This enumeration represente the two axis X and Y in the game.
* The X axis is the one which goes align the north-west edge
* (and south-east edge). The Y axis must be so the one which goes
* align the north-east edge (and south-west) edge.
*/
enum Axis {
AXIS_X = 0, ///< The X axis
AXIS_Y = 1, ///< The y axis
AXIS_END ///< Used for iterations
};
/**
* Select the other axis as provided.
*

122
src/direction_type.h Normal file
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@ -0,0 +1,122 @@
/* $Id$ */
/** @file direction_type.h Different types to 'show' directions. */
#ifndef DIRECTION_TYPE_H
#define DIRECTION_TYPE_H
#include "core/enum_type.hpp"
/**
* Defines the 8 directions on the map.
*
* This enum defines 8 possible directions which are used for
* the vehicles in the game. The directions are aligned straight
* to the viewport, not to the map. So north points to the top of
* your viewport and not rotated by 45 degrees left or right to get
* a "north" used in you games.
*/
enum Direction {
DIR_BEGIN = 0, ///< Used to iterate
DIR_N = 0, ///< North
DIR_NE = 1, ///< Northeast
DIR_E = 2, ///< East
DIR_SE = 3, ///< Southeast
DIR_S = 4, ///< South
DIR_SW = 5, ///< Southwest
DIR_W = 6, ///< West
DIR_NW = 7, ///< Northwest
DIR_END, ///< Used to iterate
INVALID_DIR = 0xFF, ///< Flag for an invalid direction
};
/** Define basic enum properties */
template <> struct EnumPropsT<Direction> : MakeEnumPropsT<Direction, byte, DIR_BEGIN, DIR_END, INVALID_DIR> {};
typedef TinyEnumT<Direction> DirectionByte; //typedefing-enumification of Direction
/**
* Enumeration for the difference between two directions.
*
* This enumeration is used to mark differences between
* two directions. If you get one direction you can align
* a second direction in 8 different ways. This enumeration
* only contains 6 of these 8 differences, but the remaining
* two can be calculated by adding to differences together.
* This also means you can add two differences together and
* get the difference you really want to get. The difference
* of 45 degrees left + the difference of 45 degrees right results in the
* difference of 0 degrees.
*
* @note To get this mentioned addition of direction you must use
* modulo DIR_END or use the #ChangeDirDiff(DirDiff, DirDiff) function.
* @see ChangeDirDiff(DirDiff, DirDiff)
*/
enum DirDiff {
DIRDIFF_SAME = 0, ///< Both directions faces to the same direction
DIRDIFF_45RIGHT = 1, ///< Angle of 45 degrees right
DIRDIFF_90RIGHT = 2, ///< Angle of 90 degrees right
DIRDIFF_REVERSE = 4, ///< One direction is the opposit of the other one
DIRDIFF_90LEFT = 6, ///< Angle of 90 degrees left
DIRDIFF_45LEFT = 7 ///< Angle of 45 degrees left
};
/**
* Enumeration for diagonal directions.
*
* This enumeration is used for the 4 direction of the tile-edges.
*/
enum DiagDirection {
DIAGDIR_BEGIN = 0, ///< Used for iterations
DIAGDIR_NE = 0, ///< Northeast, upper right on your monitor
DIAGDIR_SE = 1, ///< Southeast
DIAGDIR_SW = 2, ///< Southwest
DIAGDIR_NW = 3, ///< Northwest
DIAGDIR_END, ///< Used for iterations
INVALID_DIAGDIR = 0xFF, ///< Flag for an invalid DiagDirection
};
DECLARE_POSTFIX_INCREMENT(DiagDirection);
/** Define basic enum properties */
template <> struct EnumPropsT<DiagDirection> : MakeEnumPropsT<DiagDirection, byte, DIAGDIR_BEGIN, DIAGDIR_END, INVALID_DIAGDIR> {};
typedef TinyEnumT<DiagDirection> DiagDirectionByte; //typedefing-enumification of DiagDirection
/**
* Enumeration for the difference between to DiagDirection.
*
* As the DiagDirection only contains 4 possible directions the
* difference between two of these directions can only be in 4 ways.
* As the DirDiff enumeration the values can be added together and
* you will get the resulting difference (use modulo DIAGDIR_END).
*
* @see DirDiff
*/
enum DiagDirDiff {
DIAGDIRDIFF_SAME = 0, ///< Same directions
DIAGDIRDIFF_90RIGHT = 1, ///< 90 degrees right
DIAGDIRDIFF_REVERSE = 2, ///< Reverse directions
DIAGDIRDIFF_90LEFT = 3 ///< 90 degrees left
};
/** Allow incrementing of DiagDirDiff variables */
DECLARE_POSTFIX_INCREMENT(DiagDirDiff);
/**
* Enumeration for the two axis X and Y
*
* This enumeration represente the two axis X and Y in the game.
* The X axis is the one which goes align the north-west edge
* (and south-east edge). The Y axis must be so the one which goes
* align the north-east edge (and south-west) edge.
*/
enum Axis {
AXIS_X = 0, ///< The X axis
AXIS_Y = 1, ///< The y axis
AXIS_END ///< Used for iterations
};
#endif /* DIRECTION_TYPE_H */

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@ -6,6 +6,7 @@
#define HELPERS_HPP
#include "macros.h"
#include "core/enum_type.hpp"
/** When allocating using malloc/calloc in C++ it is usually needed to cast the return value
* from void* to the proper pointer type. Another alternative would be MallocT<> as follows */
@ -42,113 +43,6 @@ template<typename T> void Swap(T& a, T& b)
}
/** Some enums need to have allowed incrementing (i.e. StationClassID) */
#define DECLARE_POSTFIX_INCREMENT(type) \
FORCEINLINE type operator ++(type& e, int) \
{ \
type e_org = e; \
e = (type)((int)e + 1); \
return e_org; \
} \
FORCEINLINE type operator --(type& e, int) \
{ \
type e_org = e; \
e = (type)((int)e - 1); \
return e_org; \
}
/** Operators to allow to work with enum as with type safe bit set in C++ */
# define DECLARE_ENUM_AS_BIT_SET(mask_t) \
FORCEINLINE mask_t operator | (mask_t m1, mask_t m2) {return (mask_t)((int)m1 | m2);} \
FORCEINLINE mask_t operator & (mask_t m1, mask_t m2) {return (mask_t)((int)m1 & m2);} \
FORCEINLINE mask_t operator ^ (mask_t m1, mask_t m2) {return (mask_t)((int)m1 ^ m2);} \
FORCEINLINE mask_t& operator |= (mask_t& m1, mask_t m2) {m1 = m1 | m2; return m1;} \
FORCEINLINE mask_t& operator &= (mask_t& m1, mask_t m2) {m1 = m1 & m2; return m1;} \
FORCEINLINE mask_t& operator ^= (mask_t& m1, mask_t m2) {m1 = m1 ^ m2; return m1;} \
FORCEINLINE mask_t operator ~(mask_t m) {return (mask_t)(~(int)m);}
/** Informative template class exposing basic enumeration properties used by several
* other templates below. Here we have only forward declaration. For each enum type
* we will create specialization derived from MakeEnumPropsT<>.
* i.e.:
* template <> struct EnumPropsT<Track> : MakeEnumPropsT<Track, byte, TRACK_BEGIN, TRACK_END, INVALID_TRACK> {};
* followed by:
* typedef TinyEnumT<Track> TrackByte;
*/
template <typename Tenum_t> struct EnumPropsT;
/** Helper template class that makes basic properties of given enumeration type visible
* from outsize. It is used as base class of several EnumPropsT specializations each
* dedicated to one of commonly used enumeration types.
* @param Tenum_t enumeration type that you want to describe
* @param Tstorage_t what storage type would be sufficient (i.e. byte)
* @param Tbegin first valid value from the contiguous range (i.e. TRACK_BEGIN)
* @param Tend one past the last valid value from the contiguous range (i.e. TRACK_END)
* @param Tinvalid value used as invalid value marker (i.e. INVALID_TRACK)
*/
template <typename Tenum_t, typename Tstorage_t, Tenum_t Tbegin, Tenum_t Tend, Tenum_t Tinvalid>
struct MakeEnumPropsT {
typedef Tenum_t type; ///< enum type (i.e. Trackdir)
typedef Tstorage_t storage; ///< storage type (i.e. byte)
static const Tenum_t begin = Tbegin; ///< lowest valid value (i.e. TRACKDIR_BEGIN)
static const Tenum_t end = Tend; ///< one after the last valid value (i.e. TRACKDIR_END)
static const Tenum_t invalid = Tinvalid; ///< what value is used as invalid value (i.e. INVALID_TRACKDIR)
};
/** In some cases we use byte or uint16 to store values that are defined as enum. It is
* necessary in order to control the sizeof() such values. Some compilers make enum
* the same size as int (4 or 8 bytes instead of 1 or 2). As a consequence the strict
* compiler type-checking causes errors like:
* 'HasPowerOnRail' : cannot convert parameter 1 from 'byte' to 'RailType' when
* u->u.rail.railtype is passed as argument or type RailType. In such cases it is better
* to teach the compiler that u->u.rail.railtype is to be treated as RailType. */
template <typename Tenum_t> struct TinyEnumT;
/** The general declaration of TinyEnumT<> (above) */
template <typename Tenum_t> struct TinyEnumT
{
typedef Tenum_t enum_type; ///< expose our enumeration type (i.e. Trackdir) to outside
typedef EnumPropsT<Tenum_t> Props; ///< make easier access to our enumeration propeties
typedef typename Props::storage storage_type; ///< small storage type
static const enum_type begin = Props::begin; ///< enum beginning (i.e. TRACKDIR_BEGIN)
static const enum_type end = Props::end; ///< enum end (i.e. TRACKDIR_END)
static const enum_type invalid = Props::invalid;///< invalid value (i.e. INVALID_TRACKDIR)
storage_type m_val; ///< here we hold the actual value in small (i.e. byte) form
/** Cast operator - invoked then the value is assigned to the Tenum_t type */
FORCEINLINE operator enum_type () const
{
return (enum_type)m_val;
}
/** Assignment operator (from Tenum_t type) */
FORCEINLINE TinyEnumT& operator = (enum_type e)
{
m_val = (storage_type)e; return *this;
}
/** postfix ++ operator on tiny type */
FORCEINLINE TinyEnumT operator ++ (int)
{
TinyEnumT org = *this;
if (++m_val >= end) m_val -= (storage_type)(end - begin);
return org;
}
/** prefix ++ operator on tiny type */
FORCEINLINE TinyEnumT& operator ++ ()
{
if (++m_val >= end) m_val -= (storage_type)(end - begin);
return *this;
}
};
/**
* Overflow safe template for integers, i.e. integers that will never overflow
* you multiply the maximum value with 2, or add 2, or substract somethng from

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@ -8,7 +8,7 @@
#include "functions.h"
#include "macros.h"
#include "map.h"
#include "direction.h"
#include "direction_func.h"
#include "helpers.hpp"
#if defined(_MSC_VER) && _MSC_VER >= 1400 /* VStudio 2005 is stupid! */

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@ -6,7 +6,7 @@
#define MAP_H
#include "stdafx.h"
#include "direction.h"
#include "direction_func.h"
extern uint _map_tile_mask;

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@ -2,7 +2,7 @@
/** @file dbg_helpers.cpp */
#include "../stdafx.h"
#include "../direction.h"
#include "../direction_type.h"
#include "../rail.h"
#include "../rail_map.h"
#include "dbg_helpers.h"

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@ -6,7 +6,7 @@
#define NEWGRF_ENGINE_H
#include "newgrf.h"
#include "direction.h"
#include "direction_type.h"
#include "newgrf_cargo.h"
extern int _traininfo_vehicle_pitch;

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@ -5,7 +5,7 @@
#ifndef PATHFIND_H
#define PATHFIND_H
#include "direction.h"
#include "direction_type.h"
#include "openttd.h"
enum {

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@ -6,7 +6,7 @@
#define RAIL_H
#include "gfx.h"
#include "direction.h"
#include "direction_func.h"
#include "tile.h"
#include "variables.h"

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@ -5,7 +5,7 @@
#ifndef RAIL_MAP_H
#define RAIL_MAP_H
#include "direction.h"
#include "direction_func.h"
#include "rail.h"
#include "tile.h"

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@ -5,7 +5,7 @@
#ifndef ROAD_CMD_H
#define ROAD_CMD_H
#include "direction.h"
#include "direction_type.h"
void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt);

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@ -36,7 +36,7 @@
#include "newgrf_engine.h"
#include "newgrf_sound.h"
#include "newgrf_text.h"
#include "direction.h"
#include "direction_func.h"
#include "yapf/yapf.h"
#include "date.h"
#include "cargotype.h"

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@ -5,7 +5,7 @@
#ifndef TUNNEL_MAP_H
#define TUNNEL_MAP_H
#include "direction.h"
#include "direction_func.h"
#include "macros.h"
#include "map.h"
#include "rail.h"

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@ -5,7 +5,7 @@
#ifndef TUNNELBRIDGE_MAP_H
#define TUNNELBRIDGE_MAP_H
#include "direction.h" /* DiagDirection */
#include "direction_func.h"
#include "core/bitmath_func.hpp" /* GB, HasBit, SB */
#include "map.h" /* Tile, TileIndex */
#include "tile.h" /* TileType, IsTileType */