water_cmd.cpp File Reference

Handling of water tiles. More...

#include "stdafx.h"
#include "cmd_helper.h"
#include "landscape.h"
#include "viewport_func.h"
#include "command_func.h"
#include "town.h"
#include "news_func.h"
#include "depot_base.h"
#include "depot_func.h"
#include "water.h"
#include "industry_map.h"
#include "newgrf_canal.h"
#include "strings_func.h"
#include "functions.h"
#include "vehicle_func.h"
#include "sound_func.h"
#include "company_func.h"
#include "clear_map.h"
#include "tree_map.h"
#include "aircraft.h"
#include "effectvehicle_func.h"
#include "tunnelbridge_map.h"
#include "station_base.h"
#include "ai/ai.hpp"
#include "core/random_func.hpp"
#include "table/sprites.h"
#include "table/strings.h"
#include "table/water_land.h"

Go to the source code of this file.

Data Structures

struct  LocksDrawTileStruct

Functions

static void MarkTileDirtyIfCanalOrRiver (TileIndex tile)
 Marks tile dirty if it is a canal or river tile.
static void MarkCanalsAndRiversAroundDirty (TileIndex tile)
 Marks the tiles around a tile as dirty, if they are canals or rivers.
CommandCost CmdBuildShipDepot (TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
 Build a ship depot.
void MakeWaterKeepingClass (TileIndex tile, Owner o)
static CommandCost RemoveShipDepot (TileIndex tile, DoCommandFlag flags)
static CommandCost DoBuildShiplift (TileIndex tile, DiagDirection dir, DoCommandFlag flags)
 build a shiplift
static CommandCost RemoveShiplift (TileIndex tile, DoCommandFlag flags)
CommandCost CmdBuildLock (TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
 Builds a lock (ship-lift).
CommandCost CmdBuildCanal (TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
 Build a piece of canal.
static CommandCost ClearTile_Water (TileIndex tile, DoCommandFlag flags)
static bool IsWateredTile (TileIndex tile, Direction from)
 return true if a tile is a water tile wrt.
static void DrawWaterEdges (SpriteID base, TileIndex tile)
static void DrawSeaWater (TileIndex tile)
 Draw a plain sea water tile with no edges.
static void DrawCanalWater (TileIndex tile)
 draw a canal styled water tile with dikes around
static void DrawWaterStuff (const TileInfo *ti, const WaterDrawTileStruct *wdts, PaletteID palette, uint base, bool draw_ground)
static void DrawRiverWater (const TileInfo *ti)
void DrawShoreTile (Slope tileh)
void DrawWaterClassGround (const TileInfo *ti)
static void DrawTile_Water (TileInfo *ti)
void DrawShipDepotSprite (int x, int y, int image)
static uint GetSlopeZ_Water (TileIndex tile, uint x, uint y)
static Foundation GetFoundation_Water (TileIndex tile, Slope tileh)
static void GetTileDesc_Water (TileIndex tile, TileDesc *td)
static void FloodVehicle (Vehicle *v)
static VehicleFloodVehicleProc (Vehicle *v, void *data)
 Flood a vehicle if we are allowed to flood it, i.e.
static void FloodVehicles (TileIndex tile)
 Finds a vehicle to flood.
FloodingBehaviour GetFloodingBehaviour (TileIndex tile)
 Returns the behaviour of a tile during flooding.
void DoFloodTile (TileIndex target)
 Floods a tile.
static void DoDryUp (TileIndex tile)
 Drys a tile up.
void TileLoop_Water (TileIndex tile)
 Let a water tile floods its diagonal adjoining tiles called from tunnelbridge_cmd, and by TileLoop_Industry() and TileLoop_Track().
void ConvertGroundTilesIntoWaterTiles ()
static TrackStatus GetTileTrackStatus_Water (TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
static bool ClickTile_Water (TileIndex tile)
static void ChangeTileOwner_Water (TileIndex tile, Owner old_owner, Owner new_owner)
static VehicleEnterTileStatus VehicleEnter_Water (Vehicle *v, TileIndex tile, int x, int y)
static CommandCost TerraformTile_Water (TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)

Variables

static const uint8 _flood_from_dirs []
 Describes from which directions a specific slope can be flooded (if the tile is floodable at all).
const TileTypeProcs _tile_type_water_procs

Detailed Description

Handling of water tiles.

Definition in file water_cmd.cpp.


Function Documentation

CommandCost CmdBuildCanal ( TileIndex  tile,
DoCommandFlag  flags,
uint32  p1,
uint32  p2,
const char *  text 
)

Build a piece of canal.

Parameters:
tile end tile of stretch-dragging
flags type of operation
p1 start tile of stretch-dragging
p2 specifies canal (0), water (1) or river (2); last two can only be built in scenario editor
text unused
Returns:
the cost of this operation or an error

Definition at line 276 of file water_cmd.cpp.

References CommandCost::AddCost(), CMD_ERROR, CMD_LANDSCAPE_CLEAR, DoCommand(), EXPENSES_CONSTRUCTION, CommandCost::Failed(), CommandCost::GetCost(), GetTileSlope(), TileArea::h, IsInclinedSlope(), IsTileOwner(), IsTileType(), MakeCanal(), MakeRiver(), MakeSea(), MapSize(), MarkCanalsAndRiversAroundDirty(), MarkTileDirtyByTile(), MP_WATER, OWNER_WATER, return_cmd_error, SLOPE_FLAT, TILE_AREA_LOOP, TileHeight(), and TileArea::w.

CommandCost CmdBuildLock ( TileIndex  tile,
DoCommandFlag  flags,
uint32  p1,
uint32  p2,
const char *  text 
)

Builds a lock (ship-lift).

Parameters:
tile tile where to place the lock
flags type of operation
p1 unused
p2 unused
text unused
Returns:
the cost of this operation or an error

Definition at line 257 of file water_cmd.cpp.

References DoBuildShiplift(), GetInclinedSlopeDirection(), GetTileSlope(), INVALID_DIAGDIR, and return_cmd_error.

CommandCost CmdBuildShipDepot ( TileIndex  tile,
DoCommandFlag  flags,
uint32  p1,
uint32  p2,
const char *  text 
)

Build a ship depot.

Parameters:
tile tile where ship depot is built
flags type of operation
p1 bit 0 depot orientation (Axis)
p2 unused
text unused
Returns:
the cost of this operation or an error

Definition at line 95 of file water_cmd.cpp.

References AXIS_X, Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >::PoolItem<&_depot_pool >::CanAllocateItem(), CMD_ERROR, CMD_LANDSCAPE_CLEAR, DC_EXEC, DoCommand(), EXPENSES_CONSTRUCTION, CommandCost::Failed(), GetTileSlope(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >::PoolItem< Tpool >::index, IsBridgeAbove(), MarkTileDirtyByTile(), return_cmd_error, SLOPE_FLAT, and TileDiffXY().

static Vehicle* FloodVehicleProc ( Vehicle v,
void *  data 
) [static]

Flood a vehicle if we are allowed to flood it, i.e.

when it is on the ground.

Parameters:
v The vehicle to test for flooding.
data The z of level to flood.
Returns:
NULL as we always want to remove everything.

Definition at line 693 of file water_cmd.cpp.

References AIR_SHADOW, Vehicle::subtype, BaseVehicle::type, VEH_AIRCRAFT, VEH_DISASTER, and Vehicle::vehstatus.

Referenced by FloodVehicles().

static void FloodVehicles ( TileIndex  tile  )  [static]
FloodingBehaviour GetFloodingBehaviour ( TileIndex  tile  ) 
static bool IsWateredTile ( TileIndex  tile,
Direction  from 
) [static]

return true if a tile is a water tile wrt.

a certain direction.

Parameters:
tile The tile of interest.
from The direction of interest.
Returns:
true iff the tile is water in the view of 'from'.

Definition at line 397 of file water_cmd.cpp.

References DiagDirToAxis(), DIR_E, DIR_N, DIR_NE, DIR_NW, DIR_S, DIR_SE, DIR_SW, DIR_W, DirToDiagDir(), GetIndustryIndex(), GetTileSlope(), GetTileType(), GetTunnelBridgeDirection(), GetTunnelBridgeTransportType(), IsBuoy(), IsDock(), IsIndustryTileOnWater(), IsOilRig(), IsPlainRail(), IsTileType(), MP_INDUSTRY, MP_RAILWAY, MP_STATION, MP_TUNNELBRIDGE, MP_WATER, RAIL_GROUND_WATER, ReverseDiagDir(), SLOPE_E, SLOPE_FLAT, SLOPE_N, SLOPE_S, SLOPE_W, TileOffsByDir(), TRANSPORT_WATER, and WATER_CLASS_INVALID.

static void MarkTileDirtyIfCanalOrRiver ( TileIndex  tile  )  [inline, static]

Marks tile dirty if it is a canal or river tile.

Called to avoid glitches when flooding tiles next to canal tile.

Parameters:
tile tile to check

Definition at line 68 of file water_cmd.cpp.

References IsTileType(), MarkTileDirtyByTile(), and MP_WATER.

Referenced by MarkCanalsAndRiversAroundDirty().

void TileLoop_Water ( TileIndex  tile  ) 

Let a water tile floods its diagonal adjoining tiles called from tunnelbridge_cmd, and by TileLoop_Industry() and TileLoop_Track().

Parameters:
tile the water/shore tile that floods

Definition at line 940 of file water_cmd.cpp.

References _flood_from_dirs, AddTileIndexDiffCWrap(), DIR_BEGIN, DIR_END, DoDryUp(), DoFloodTile(), FLOOD_ACTIVE, FLOOD_DRYUP, FLOOD_PASSIVE, FOR_EACH_SET_BIT, GetFloodingBehaviour(), GetFoundationSlope(), HasBit(), INVALID_TILE, IsTileType(), MP_WATER, ReverseDir(), SLOPE_HALFTILE_MASK, SLOPE_STEEP, and TileIndexDiffCByDir().


Variable Documentation

const uint8 _flood_from_dirs[] [static]
Initial value:
 {
  (1 << DIR_NW) | (1 << DIR_SW) | (1 << DIR_SE) | (1 << DIR_NE), 
  (1 << DIR_NE) | (1 << DIR_SE),                                 
  (1 << DIR_NW) | (1 << DIR_NE),                                 
  (1 << DIR_NE),                                                 
  (1 << DIR_NW) | (1 << DIR_SW),                                 
  0,                                                             
  (1 << DIR_NW),                                                 
  (1 << DIR_N ) | (1 << DIR_NW) | (1 << DIR_NE),                 
  (1 << DIR_SW) | (1 << DIR_SE),                                 
  (1 << DIR_SE),                                                 
  0,                                                             
  (1 << DIR_E ) | (1 << DIR_NE) | (1 << DIR_SE),                 
  (1 << DIR_SW),                                                 
  (1 << DIR_S ) | (1 << DIR_SW) | (1 << DIR_SE),                 
  (1 << DIR_W ) | (1 << DIR_SW) | (1 << DIR_NW),                 
}

Describes from which directions a specific slope can be flooded (if the tile is floodable at all).

Definition at line 44 of file water_cmd.cpp.

Referenced by TileLoop_Water().

const TileTypeProcs _tile_type_water_procs
Initial value:
 {
  DrawTile_Water,           
  GetSlopeZ_Water,          
  ClearTile_Water,          
  NULL,                     
  GetTileDesc_Water,        
  GetTileTrackStatus_Water, 
  ClickTile_Water,          
  NULL,                     
  TileLoop_Water,           
  ChangeTileOwner_Water,    
  NULL,                     
  VehicleEnter_Water,       
  GetFoundation_Water,      
  TerraformTile_Water,      
}

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