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(svn r22801) -Feature: [YAPF] Take canal/ocean speed fraction of ships into account.

This commit is contained in:
michi_cc 2011-08-21 14:13:22 +00:00
parent c10d415723
commit 45b95ed629
3 changed files with 9 additions and 1 deletions
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6
src/pathfinder/yapf/yapf_ship.cpp
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@ -133,8 +133,14 @@ public:
c += YAPF_TILE_LENGTH;
}
/* Skipped tile cost for aqueducts. */
c += YAPF_TILE_LENGTH * tf->m_tiles_skipped;
/* Ocean/canal speed penalty. */
const ShipVehicleInfo *svi = ShipVehInfo(Yapf().GetVehicle()->engine_type);
byte speed_frac = (GetEffectiveWaterClass(n.GetTile()) == WATER_CLASS_SEA) ? svi->ocean_speed_frac : svi->canal_speed_frac;
if (speed_frac > 0) c += YAPF_TILE_LENGTH * (1 + tf->m_tiles_skipped) * speed_frac / (256 - speed_frac);
/* apply it */
n.m_cost = n.m_parent->m_cost + c;
return true;

2
src/ship.h
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@ -13,8 +13,10 @@
#define SHIP_H
#include "vehicle_base.h"
#include "water_map.h"
void GetShipSpriteSize(EngineID engine, uint &width, uint &height);
WaterClass GetEffectiveWaterClass(TileIndex tile);
/**
* All ships have this type.

2
src/ship_cmd.cpp
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@ -41,7 +41,7 @@
* @param tile Tile of interest
* @return the waterclass to be used by the ship.
*/
static WaterClass GetEffectiveWaterClass(TileIndex tile)
WaterClass GetEffectiveWaterClass(TileIndex tile)
{
if (HasTileWaterClass(tile)) return GetWaterClass(tile);
if (IsTileType(tile, MP_TUNNELBRIDGE)) {