Handling of NewGRF canals. More...

#include "newgrf.h"
#include "tile_type.h"

Data Structures
struct	WaterFeature
	Information about a water feature. More...

Enumerations
enum	CanalFeatureFlag { CFF_HAS_FLAT_SPRITE = 0 }
	Flags controlling the display of canals. More...

Functions
SpriteID	GetCanalSprite (CanalFeature feature, TileIndex tile)
	Lookup the base sprite to use for a canal.

uint	GetCanalSpriteOffset (CanalFeature feature, TileIndex tile, uint cur_offset)
	Get the new sprite offset for a water tile.

Variables
WaterFeature	_water_feature [CF_END]
	Table of canal 'feature' sprite groups.

Detailed Description

Handling of NewGRF canals.

Definition in file newgrf_canal.h.

Enumeration Type Documentation

◆ CanalFeatureFlag

enum CanalFeatureFlag

Flags controlling the display of canals.

Enumerator
CFF_HAS_FLAT_SPRITE	Additional flat ground sprite in the beginning.

Definition at line 17 of file newgrf_canal.h.

Function Documentation

◆ GetCanalSprite()

SpriteID GetCanalSprite	(	CanalFeature	feature,
		TileIndex	tile
	)

Lookup the base sprite to use for a canal.

Parameters

feature	Which canal feature we want.
tile	Tile index of canal, if appropriate.

Returns: Base sprite returned by GRF, or 0 if none.

Definition at line 140 of file newgrf_canal.cpp.

References SpriteGroup::Resolve().

Referenced by DrawCanalWater(), DrawWaterEdges(), and DrawWaterLock().

◆ GetCanalSpriteOffset()

uint GetCanalSpriteOffset	(	CanalFeature	feature,
		TileIndex	tile,
		uint	cur_offset
	)

Get the new sprite offset for a water tile.

Parameters

tile	Tile index of the canal/water tile.
feature	For which feature to get the new sprite offset.
cur_offset	Current sprite offset.

Returns: New sprite offset.

Definition at line 171 of file newgrf_canal.cpp.

References _water_feature, CALLBACK_FAILED, CBID_CANALS_SPRITE_OFFSET, CBM_CANAL_SPRITE_OFFSET, GetCanalCallback(), and HasBit().

Referenced by DrawWaterSprite(), and DrawWaterTileStruct().

Variable Documentation

◆ _water_feature

WaterFeature _water_feature[CF_END]

extern

Table of canal 'feature' sprite groups.

Definition at line 21 of file newgrf_canal.cpp.

Referenced by DrawCanalWater(), DrawWaterLock(), FinaliseCanals(), GetCanalSpriteOffset(), and ResetNewGRFData().

Data Structures

Enumerations

Functions

Variables