summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/station_map.cpp7
-rw-r--r--src/tunnel_map.cpp19
-rw-r--r--src/unmovable_map.h131
-rw-r--r--src/void_map.h4
4 files changed, 142 insertions, 19 deletions
diff --git a/src/station_map.cpp b/src/station_map.cpp
index afe9d6ad6..d1552a082 100644
--- a/src/station_map.cpp
+++ b/src/station_map.cpp
@@ -6,7 +6,12 @@
#include "openttd.h"
#include "station_map.h"
-
+/**
+ * Get the station type (rail, airport, truck etc) for the given tile.
+ * @param t the tile to get the station type of.
+ * @pre IsTileType(t, MP_STATION)
+ * @return the station type of the given tile.
+ */
StationType GetStationType(TileIndex t)
{
assert(IsTileType(t, MP_STATION));
diff --git a/src/tunnel_map.cpp b/src/tunnel_map.cpp
index db5cedaa9..d0788b951 100644
--- a/src/tunnel_map.cpp
+++ b/src/tunnel_map.cpp
@@ -7,6 +7,12 @@
#include "tile.h"
#include "tunnel_map.h"
+/**
+ * Gets the other end of the tunnel. Where a vehicle would reappear when it
+ * enters at the given tile.
+ * @param tile the tile to search from.
+ * @return the tile of the other end of the tunnel.
+ */
TileIndex GetOtherTunnelEnd(TileIndex tile)
{
DiagDirection dir = GetTunnelDirection(tile);
@@ -26,6 +32,13 @@ TileIndex GetOtherTunnelEnd(TileIndex tile)
}
+/**
+ * Is there a tunnel in the way in the given direction?
+ * @param tile the tile to search from.
+ * @param z the 'z' to search on.
+ * @param dir the direction to start searching to.
+ * @return true if and only if there is a tunnel.
+ */
static bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir)
{
TileIndexDiff delta = TileOffsByDiagDir(dir);
@@ -42,6 +55,12 @@ static bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir)
GetTunnelDirection(tile) == dir;
}
+/**
+ * Is there a tunnel in the way in any direction?
+ * @param tile the tile to search from.
+ * @param z the 'z' to search on.
+ * @return true if and only if there is a tunnel.
+ */
bool IsTunnelInWay(TileIndex tile, uint z)
{
return
diff --git a/src/unmovable_map.h b/src/unmovable_map.h
index 256c35717..0decbf94e 100644
--- a/src/unmovable_map.h
+++ b/src/unmovable_map.h
@@ -6,88 +6,152 @@
#define UNMOVABLE_MAP_H
enum {
- HQ_NUM_TILE = 4,
- HQ_NUM_SIZE = 5
+ HQ_NUM_TILE = 4, ///< Number of HQ tiles
+ HQ_NUM_SIZE = 5 ///< Number of stages of an HQ
};
+/** Types of unmovable structure */
enum UnmovableType {
- UNMOVABLE_TRANSMITTER = 0,
- UNMOVABLE_LIGHTHOUSE = 1,
- UNMOVABLE_STATUE = 2,
- UNMOVABLE_OWNED_LAND = 3,
- UNMOVABLE_HQ_NORTH = 0x80,
- UNMOVABLE_HQ_WEST = 0x81,
- UNMOVABLE_HQ_EAST = 0x82,
- UNMOVABLE_HQ_SOUTH = 0x83,
-
+ UNMOVABLE_TRANSMITTER = 0, ///< The large antenna
+ UNMOVABLE_LIGHTHOUSE = 1, ///< The nice lighthouse
+ UNMOVABLE_STATUE = 2, ///< Statue in towns
+ UNMOVABLE_OWNED_LAND = 3, ///< Owned land 'flag'
+ UNMOVABLE_HQ_NORTH = 0x80, ///< Offset for the northern HQ tile
+ UNMOVABLE_HQ_WEST = 0x81, ///< Offset for the western HQ tile
+ UNMOVABLE_HQ_EAST = 0x82, ///< Offset for the eastern HQ tile
+ UNMOVABLE_HQ_SOUTH = 0x83, ///< Offset for the southern HQ tile
+
+ /** End of the HQ (rather end + 1 for IS_INT_INSIDE) */
UNMOVABLE_HQ_END = UNMOVABLE_HQ_NORTH + HQ_NUM_SIZE * HQ_NUM_TILE
};
+/**
+ * Gets the UnmovableType of the given unmovable tile
+ * @param t the tile to get the type from.
+ * @pre IsTileType(t, MP_UNMOVABLE)
+ * @return the type.
+ */
static inline UnmovableType GetUnmovableType(TileIndex t)
{
assert(IsTileType(t, MP_UNMOVABLE));
return (UnmovableType)_m[t].m5;
}
-
+/**
+ * Does the given tile have a transmitter?
+ * @param t the tile to inspect.
+ * @return true if and only if the tile has a transmitter.
+ */
static inline bool IsTransmitterTile(TileIndex t)
{
- return
- IsTileType(t, MP_UNMOVABLE) &&
- GetUnmovableType(t) == UNMOVABLE_TRANSMITTER;
+ return IsTileType(t, MP_UNMOVABLE) && GetUnmovableType(t) == UNMOVABLE_TRANSMITTER;
}
-
+/**
+ * Is this unmovable tile an 'owned land' tile?
+ * @param t the tile to inspect.
+ * @pre IsTileType(t, MP_UNMOVABLE)
+ * @return true if and only if the tile is an 'owned land' tile.
+ */
static inline bool IsOwnedLand(TileIndex t)
{
assert(IsTileType(t, MP_UNMOVABLE));
return GetUnmovableType(t) == UNMOVABLE_OWNED_LAND;
}
+/**
+ * Is the given tile (pre-)owned by someone (the little flags)?
+ * @param t the tile to inspect.
+ * @return true if and only if the tile is an 'owned land' tile.
+ */
static inline bool IsOwnedLandTile(TileIndex t)
{
return IsTileType(t, MP_UNMOVABLE) && IsOwnedLand(t);
}
+/**
+ * Is this unmovable tile a HQ tile?
+ * @param t the tile to inspect.
+ * @pre IsTileType(t, MP_UNMOVABLE)
+ * @return true if and only if the tile is a HQ tile.
+ */
static inline bool IsCompanyHQ(TileIndex t)
{
+ assert(IsTileType(t, MP_UNMOVABLE));
return IS_INT_INSIDE(GetUnmovableType(t), UNMOVABLE_HQ_NORTH, UNMOVABLE_HQ_END);
}
+/**
+ * Is this unmovable tile a statue?
+ * @param t the tile to inspect.
+ * @pre IsTileType(t, MP_UNMOVABLE)
+ * @return true if and only if the tile is a statue.
+ */
static inline bool IsStatue(TileIndex t)
{
assert(IsTileType(t, MP_UNMOVABLE));
return GetUnmovableType(t) == UNMOVABLE_STATUE;
}
+/**
+ * Is the given tile a statue?
+ * @param t the tile to inspect.
+ * @return true if and only if the tile is a statue.
+ */
static inline bool IsStatueTile(TileIndex t)
{
return IsTileType(t, MP_UNMOVABLE) && IsStatue(t);
}
+/**
+ * Get the town of the given statue tile.
+ * @param t the tile of the statue.
+ * @pre IsStatueTile(t)
+ * @return the town the given statue is in.
+ */
static inline TownID GetStatueTownID(TileIndex t)
{
- assert(IsStatue(t));
+ assert(IsStatueTile(t));
return _m[t].m2;
}
+/**
+ * Get the 'stage' of the HQ.
+ * @param t a tile of the HQ.
+ * @pre IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t)
+ * @return the 'stage' of the HQ.
+ */
static inline byte GetCompanyHQSize(TileIndex t)
{
assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
return GB(_m[t].m5, 2, 3);
}
+/**
+ * Get the 'section' (including stage) of the HQ.
+ * @param t a tile of the HQ.
+ * @pre IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t)
+ * @return the 'section' of the HQ.
+ */
static inline byte GetCompanyHQSection(TileIndex t)
{
assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
return GB(_m[t].m5, 0, 5);
}
-
+/**
+ * Enlarge the given HQ to the given size. If the new size
+ * is larger than the current size, nothing happens.
+ * @param t the tile of the HQ.
+ * @param size the new size of the HQ.
+ * @pre t is the northern tile of the HQ
+ */
static inline void EnlargeCompanyHQ(TileIndex t, byte size)
{
+ assert(GB(GetCompanyHQSection(t), 0, 2) == 0);
+
size *= 4;
if (size <= _m[t].m5 - UNMOVABLE_HQ_NORTH) return;
@@ -98,6 +162,13 @@ static inline void EnlargeCompanyHQ(TileIndex t, byte size)
}
+/**
+ * Make an Unmovable tile.
+ * @note do not use this function directly. Use one of the other Make* functions.
+ * @param t the tile to make unmovable.
+ * @param u the unmovable type of the tile.
+ * @param o the new owner of the tile.
+ */
static inline void MakeUnmovable(TileIndex t, UnmovableType u, Owner o)
{
SetTileType(t, MP_UNMOVABLE);
@@ -109,27 +180,51 @@ static inline void MakeUnmovable(TileIndex t, UnmovableType u, Owner o)
}
+/**
+ * Make a transmitter tile.
+ * @param t the tile to make a transmitter.
+ */
static inline void MakeTransmitter(TileIndex t)
{
MakeUnmovable(t, UNMOVABLE_TRANSMITTER, OWNER_NONE);
}
+/**
+ * Make a lighthouse tile.
+ * @param t the tile to make a transmitter.
+ */
static inline void MakeLighthouse(TileIndex t)
{
MakeUnmovable(t, UNMOVABLE_LIGHTHOUSE, OWNER_NONE);
}
+/**
+ * Make a statue tile.
+ * @param t the tile to make a statue.
+ * @param o the owner of the statue.
+ * @param town_id the town the statue was built in.
+ */
static inline void MakeStatue(TileIndex t, Owner o, TownID town_id)
{
MakeUnmovable(t, UNMOVABLE_STATUE, o);
_m[t].m2 = town_id;
}
+/**
+ * Make an 'owned land' tile.
+ * @param t the tile to make an 'owned land' tile.
+ * @param o the owner of the land.
+ */
static inline void MakeOwnedLand(TileIndex t, Owner o)
{
MakeUnmovable(t, UNMOVABLE_OWNED_LAND, o);
}
+/**
+ * Make an HQ with the give tile as it's northern tile.
+ * @param t the tile to make the northern tile of a HQ.
+ * @param o the owner of the HQ.
+ */
static inline void MakeCompanyHQ(TileIndex t, Owner o)
{
MakeUnmovable(t + TileDiffXY(0, 0), UNMOVABLE_HQ_NORTH, o);
diff --git a/src/void_map.h b/src/void_map.h
index a5a14684b..aae284821 100644
--- a/src/void_map.h
+++ b/src/void_map.h
@@ -5,6 +5,10 @@
#ifndef VOID_MAP_H
#define VOID_MAP_H
+/**
+ * Make a nice void tile ;)
+ * @param t the tile to make void
+ */
static inline void MakeVoid(TileIndex t)
{
SetTileType(t, MP_VOID);
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-05 02:53:27 +0000