mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r10040) -Codechange: Make the function GetTerrainType public, as other functions require it
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@ -6,6 +6,8 @@
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#include "stdafx.h"
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#include "openttd.h"
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#include "variables.h"
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#include "clear_map.h"
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#include "town.h"
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#include "industry.h"
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#include "newgrf.h"
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@ -148,3 +150,18 @@ void HouseOverrideManager::SetEntitySpec(const HouseSpec *hs)
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entity_overrides[i] = invalid_ID;
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}
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}
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/** Function used by houses (and soon industries) to get information
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* on type of "terrain" the tile it is queries sits on.
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* @param tile TileIndex of the tile been queried
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* @return value corresponding to the grf expected format:
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* Terrain type: 0 normal, 1 desert, 2 rainforest, 4 on or above snowline */
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uint32 GetTerrainType(TileIndex tile)
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{
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switch (_opt.landscape) {
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case LT_TROPIC: return GetTropicZone(tile) == TROPICZONE_DESERT ? 1 : 2;
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case LT_ARCTIC: return (GetClearGround(tile) == CLEAR_SNOW) ? 4 : 0;
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default: return 0;
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}
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}
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@ -66,4 +66,6 @@ public:
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extern HouseOverrideManager _house_mngr;
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uint32 GetTerrainType(TileIndex tile);
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#endif /* NEWGRF_COMMONS_H */
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@ -169,15 +169,6 @@ static uint32 GetNumHouses(HouseID house_id, const Town *town)
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return map_class_count << 24 | town_class_count << 16 | map_id_count << 8 | town_id_count;
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}
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static uint32 GetTerrainType(TileIndex tile)
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{
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switch (_opt.landscape) {
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case LT_TROPIC: return GetTropicZone(tile) == TROPICZONE_DESERT ? 1 : 2;
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case LT_ARCTIC: return GetTileZ(tile) >= GetSnowLine() ? 4 : 0;
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default: return 0;
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}
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}
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static uint32 GetGRFParameter(HouseID house_id, byte parameter)
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{
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const HouseSpec *hs = GetHouseSpecs(house_id);
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