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(svn r23154) -Change: [NewGRF v8] Use heightlevel units in nearby tile info variables. (rubidium)

This commit is contained in:
frosch 2011-11-08 17:29:01 +00:00
parent 5aaecae6e2
commit 8f4c6d42f9
9 changed files with 31 additions and 19 deletions
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7
src/newgrf_airporttiles.cpp
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@ -112,14 +112,15 @@ static const SpriteGroup *AirportTileResolveReal(const ResolverObject *object, c
* @param parameter from callback. It's in fact a pair of coordinates
* @param tile TileIndex from which the callback was initiated
* @param index of the industry been queried for
* @param grf_version8 True, if we are dealing with a new NewGRF which uses GRF version >= 8.
* @return a construction of bits obeying the newgrf format
*/
uint32 GetNearbyAirportTileInformation(byte parameter, TileIndex tile, StationID index)
static uint32 GetNearbyAirportTileInformation(byte parameter, TileIndex tile, StationID index, bool grf_version8)
{
if (parameter != 0) tile = GetNearbyTile(parameter, tile); // only perform if it is required
bool is_same_airport = (IsTileType(tile, MP_STATION) && IsAirport(tile) && GetStationIndex(tile) == index);
return GetNearbyTileInformation(tile) | (is_same_airport ? 1 : 0) << 8;
return GetNearbyTileInformation(tile, grf_version8) | (is_same_airport ? 1 : 0) << 8;
}
@ -194,7 +195,7 @@ static uint32 AirportTileGetVariable(const ResolverObject *object, byte variable
case 0x44: return GetAnimationFrame(tile);
/* Land info of nearby tiles */
case 0x60: return GetNearbyAirportTileInformation(parameter, tile, st->index);
case 0x60: return GetNearbyAirportTileInformation(parameter, tile, st->index, object->grffile);
/* Animation stage of nearby tiles */
case 0x61:

6
src/newgrf_commons.cpp
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@ -442,9 +442,10 @@ TileIndex GetNearbyTile(byte parameter, TileIndex tile, bool signed_offsets, Axi
* Common part of station var 0x67, house var 0x62, indtile var 0x60, industry var 0x62.
*
* @param tile the tile of interest.
* @param grf_version8 True, if we are dealing with a new NewGRF which uses GRF version >= 8.
* @return 0czzbbss: c = TileType; zz = TileZ; bb: 7-3 zero, 4-2 TerrainType, 1 water/shore, 0 zero; ss = TileSlope
*/
uint32 GetNearbyTileInformation(TileIndex tile)
uint32 GetNearbyTileInformation(TileIndex tile, bool grf_version8)
{
TileType tile_type = GetTileType(tile);
@ -455,7 +456,8 @@ uint32 GetNearbyTileInformation(TileIndex tile)
Slope tileh = GetTilePixelSlope(tile, &z);
/* Return 0 if the tile is a land tile */
byte terrain_type = (HasTileWaterClass(tile) ? (GetWaterClass(tile) + 1) & 3 : 0) << 5 | GetTerrainType(tile) << 2 | (tile_type == MP_WATER ? 1 : 0) << 1;
return tile_type << 24 | z << 16 | terrain_type << 8 | tileh;
if (grf_version8) z /= TILE_HEIGHT;
return tile_type << 24 | Clamp(z, 0, 0xFF) << 16 | terrain_type << 8 | tileh;
}
/**

2
src/newgrf_commons.h
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@ -296,7 +296,7 @@ extern ObjectOverrideManager _object_mngr;
uint32 GetTerrainType(TileIndex tile, TileContext context = TCX_NORMAL);
TileIndex GetNearbyTile(byte parameter, TileIndex tile, bool signed_offsets = true, Axis axis = INVALID_AXIS);
uint32 GetNearbyTileInformation(TileIndex tile);
uint32 GetNearbyTileInformation(TileIndex tile, bool grf_version8);
uint32 GetCompanyInfo(CompanyID owner, const struct Livery *l = NULL);
CommandCost GetErrorMessageFromLocationCallbackResult(uint16 cb_res, uint32 grfid, StringID default_error);

13
src/newgrf_house.cpp
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@ -132,10 +132,17 @@ static uint32 GetNumHouses(HouseID house_id, const Town *town)
return map_class_count << 24 | town_class_count << 16 | map_id_count << 8 | town_id_count;
}
uint32 GetNearbyTileInformation(byte parameter, TileIndex tile)
/**
* Get information about a nearby tile.
* @param parameter from callback. It's in fact a pair of coordinates
* @param tile TileIndex from which the callback was initiated
* @param grf_version8 True, if we are dealing with a new NewGRF which uses GRF version >= 8.
* @return a construction of bits obeying the newgrf format
*/
static uint32 GetNearbyTileInformation(byte parameter, TileIndex tile, bool grf_version8)
{
tile = GetNearbyTile(parameter, tile);
return GetNearbyTileInformation(tile);
return GetNearbyTileInformation(tile, grf_version8);
}
/** Structure with user-data for SearchNearbyHouseXXX - functions */
@ -302,7 +309,7 @@ static uint32 HouseGetVariable(const ResolverObject *object, byte variable, uint
}
/* Land info for nearby tiles. */
case 0x62: return GetNearbyTileInformation(parameter, tile);
case 0x62: return GetNearbyTileInformation(parameter, tile, object->grffile->grf_version >= 8);
/* Current animation frame of nearby house tiles */
case 0x63: {

2
src/newgrf_industries.cpp
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@ -251,7 +251,7 @@ uint32 IndustryGetVariable(const ResolverObject *object, byte variable, uint32 p
return (IsTileType(tile, MP_INDUSTRY) && Industry::GetByTile(tile) == industry) ? GetIndustryRandomBits(tile) : 0;
/* Land info of nearby tiles */
case 0x62: return GetNearbyIndustryTileInformation(parameter, tile, INVALID_INDUSTRY, false);
case 0x62: return GetNearbyIndustryTileInformation(parameter, tile, INVALID_INDUSTRY, false, object->grffile->grf_version >= 8);
/* Animation stage of nearby tiles */
case 0x63:

2
src/newgrf_industries.h
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@ -46,6 +46,6 @@ bool IndustryTemporarilyRefusesCargo(Industry *ind, CargoID cargo_type);
IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32 grf_id);
/* in newgrf_industrytiles.cpp*/
uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index, bool signed_offsets = true);
uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index, bool signed_offsets, bool grf_version8);
#endif /* NEWGRF_INDUSTRIES_H */

7
src/newgrf_industrytiles.cpp
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@ -32,14 +32,15 @@
* @param tile TileIndex from which the callback was initiated
* @param index of the industry been queried for
* @param signed_offsets Are the x and y offset encoded in parameter signed?
* @param grf_version8 True, if we are dealing with a new NewGRF which uses GRF version >= 8.
* @return a construction of bits obeying the newgrf format
*/
uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index, bool signed_offsets)
uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index, bool signed_offsets, bool grf_version8)
{
if (parameter != 0) tile = GetNearbyTile(parameter, tile, signed_offsets); // only perform if it is required
bool is_same_industry = (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == index);
return GetNearbyTileInformation(tile) | (is_same_industry ? 1 : 0) << 8;
return GetNearbyTileInformation(tile, grf_version8) | (is_same_industry ? 1 : 0) << 8;
}
/**
@ -87,7 +88,7 @@ static uint32 IndustryTileGetVariable(const ResolverObject *object, byte variabl
case 0x44: return (IsTileType(tile, MP_INDUSTRY)) ? GetAnimationFrame(tile) : 0;
/* Land info of nearby tiles */
case 0x60: return GetNearbyIndustryTileInformation(parameter, tile, inds == NULL ? (IndustryID)INVALID_INDUSTRY : inds->index);
case 0x60: return GetNearbyIndustryTileInformation(parameter, tile, inds == NULL ? (IndustryID)INVALID_INDUSTRY : inds->index, true, object->grffile->grf_version >= 8);
/* Animation stage of nearby tiles */
case 0x61:

7
src/newgrf_object.cpp
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@ -157,14 +157,15 @@ static uint32 GetObjectIDAtOffset(TileIndex tile, uint32 cur_grfid)
* @param parameter from callback. It's in fact a pair of coordinates
* @param tile TileIndex from which the callback was initiated
* @param index of the object been queried for
* @param grf_version8 True, if we are dealing with a new NewGRF which uses GRF version >= 8.
* @return a construction of bits obeying the newgrf format
*/
static uint32 GetNearbyObjectTileInformation(byte parameter, TileIndex tile, ObjectID index)
static uint32 GetNearbyObjectTileInformation(byte parameter, TileIndex tile, ObjectID index, bool grf_version8)
{
if (parameter != 0) tile = GetNearbyTile(parameter, tile); // only perform if it is required
bool is_same_object = (IsTileType(tile, MP_OBJECT) && GetObjectIndex(tile) == index);
return GetNearbyTileInformation(tile) | (is_same_object ? 1 : 0) << 8;
return GetNearbyTileInformation(tile, grf_version8) | (is_same_object ? 1 : 0) << 8;
}
/**
@ -321,7 +322,7 @@ static uint32 ObjectGetVariable(const ResolverObject *object, byte variable, uin
return (IsTileType(tile, MP_OBJECT) && Object::GetByTile(tile) == o) ? GetObjectRandomBits(tile) : 0;
/* Land info of nearby tiles */
case 0x62: return GetNearbyObjectTileInformation(parameter, tile, o == NULL ? INVALID_OBJECT : o->index);
case 0x62: return GetNearbyObjectTileInformation(parameter, tile, o == NULL ? INVALID_OBJECT : o->index, object->grffile->grf_version >= 8);
/* Animation counter of nearby tile */
case 0x63:

4
src/newgrf_station.cpp
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@ -296,7 +296,7 @@ static uint32 StationGetVariable(const ResolverObject *object, byte variable, ui
Slope tileh = GetTileSlope(tile);
bool swap = (object->u.station.axis == AXIS_Y && HasBit(tileh, CORNER_W) != HasBit(tileh, CORNER_E));
return GetNearbyTileInformation(tile) ^ (swap ? SLOPE_EW : 0);
return GetNearbyTileInformation(tile, object->grffile->grf_version >= 8) ^ (swap ? SLOPE_EW : 0);
}
break;
@ -353,7 +353,7 @@ static uint32 StationGetVariable(const ResolverObject *object, byte variable, ui
Slope tileh = GetTileSlope(tile);
bool swap = (axis == AXIS_Y && HasBit(tileh, CORNER_W) != HasBit(tileh, CORNER_E));
return GetNearbyTileInformation(tile) ^ (swap ? SLOPE_EW : 0);
return GetNearbyTileInformation(tile, object->grffile->grf_version >= 8) ^ (swap ? SLOPE_EW : 0);
}
case 0x68: { // Station info of nearby tiles