unmovable_map.h

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00001 /* $Id: unmovable_map.h 15643 2009-03-08 16:10:39Z smatz $ */
00002 
00005 #ifndef UNMOVABLE_MAP_H
00006 #define UNMOVABLE_MAP_H
00007 
00008 #include "core/bitmath_func.hpp"
00009 #include "tile_map.h"
00010 
00012 enum UnmovableType {
00013   UNMOVABLE_TRANSMITTER = 0,    
00014   UNMOVABLE_LIGHTHOUSE  = 1,    
00015   UNMOVABLE_STATUE      = 2,    
00016   UNMOVABLE_OWNED_LAND  = 3,    
00017   UNMOVABLE_HQ          = 4,    
00018   UNMOVABLE_MAX,
00019 };
00020 
00027 static inline UnmovableType GetUnmovableType(TileIndex t)
00028 {
00029   assert(IsTileType(t, MP_UNMOVABLE));
00030   return (UnmovableType)_m[t].m5;
00031 }
00032 
00038 static inline bool IsTransmitterTile(TileIndex t)
00039 {
00040   return IsTileType(t, MP_UNMOVABLE) && GetUnmovableType(t) == UNMOVABLE_TRANSMITTER;
00041 }
00042 
00049 static inline bool IsOwnedLand(TileIndex t)
00050 {
00051   assert(IsTileType(t, MP_UNMOVABLE));
00052   return GetUnmovableType(t) == UNMOVABLE_OWNED_LAND;
00053 }
00054 
00060 static inline bool IsOwnedLandTile(TileIndex t)
00061 {
00062   return IsTileType(t, MP_UNMOVABLE) && IsOwnedLand(t);
00063 }
00064 
00071 static inline bool IsCompanyHQ(TileIndex t)
00072 {
00073   assert(IsTileType(t, MP_UNMOVABLE));
00074   return _m[t].m5 == UNMOVABLE_HQ;
00075 }
00076 
00083 static inline bool IsStatue(TileIndex t)
00084 {
00085   assert(IsTileType(t, MP_UNMOVABLE));
00086   return GetUnmovableType(t) == UNMOVABLE_STATUE;
00087 }
00088 
00094 static inline bool IsStatueTile(TileIndex t)
00095 {
00096   return IsTileType(t, MP_UNMOVABLE) && IsStatue(t);
00097 }
00098 
00105 static inline TownID GetStatueTownID(TileIndex t)
00106 {
00107   assert(IsStatueTile(t));
00108   return _m[t].m2;
00109 }
00110 
00117 static inline byte GetCompanyHQSize(TileIndex t)
00118 {
00119   assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
00120   return GB(_m[t].m3, 2, 3);
00121 }
00122 
00129 static inline void SetCompanyHQSize(TileIndex t, uint8 size)
00130 {
00131   assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
00132   SB(_m[t].m3, 2, 3, size);
00133 }
00134 
00142 static inline byte GetCompanyHQSection(TileIndex t)
00143 {
00144   assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
00145   return GB(_m[t].m3, 0, 2);
00146 }
00147 
00154 static inline void SetCompanyHQSection(TileIndex t, uint8 section)
00155 {
00156   assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
00157   SB(_m[t].m3, 0, 2, section);
00158 }
00159 
00167 static inline void EnlargeCompanyHQ(TileIndex t, byte size)
00168 {
00169   assert(GetCompanyHQSection(t) == 0);
00170   assert(size <= 4);
00171   if (size <= GetCompanyHQSize(t)) return;
00172 
00173   SetCompanyHQSize(t                   , size);
00174   SetCompanyHQSize(t + TileDiffXY(0, 1), size);
00175   SetCompanyHQSize(t + TileDiffXY(1, 0), size);
00176   SetCompanyHQSize(t + TileDiffXY(1, 1), size);
00177 }
00178 
00179 
00187 static inline void MakeUnmovable(TileIndex t, UnmovableType u, Owner o)
00188 {
00189   SetTileType(t, MP_UNMOVABLE);
00190   SetTileOwner(t, o);
00191   _m[t].m2 = 0;
00192   _m[t].m3 = 0;
00193   _m[t].m4 = 0;
00194   _m[t].m5 = u;
00195   SB(_m[t].m6, 2, 4, 0);
00196   _me[t].m7 = 0;
00197 }
00198 
00199 
00204 static inline void MakeTransmitter(TileIndex t)
00205 {
00206   MakeUnmovable(t, UNMOVABLE_TRANSMITTER, OWNER_NONE);
00207 }
00208 
00213 static inline void MakeLighthouse(TileIndex t)
00214 {
00215   MakeUnmovable(t, UNMOVABLE_LIGHTHOUSE, OWNER_NONE);
00216 }
00217 
00224 static inline void MakeStatue(TileIndex t, Owner o, TownID town_id)
00225 {
00226   MakeUnmovable(t, UNMOVABLE_STATUE, o);
00227   _m[t].m2 = town_id;
00228 }
00229 
00235 static inline void MakeOwnedLand(TileIndex t, Owner o)
00236 {
00237   MakeUnmovable(t, UNMOVABLE_OWNED_LAND, o);
00238 }
00239 
00246 static inline void MakeUnmovableHQHelper(TileIndex t, uint8 section, Owner o)
00247 {
00248   MakeUnmovable(t, UNMOVABLE_HQ, o);
00249   SetCompanyHQSection(t, section);
00250 }
00251 
00257 static inline void MakeCompanyHQ(TileIndex t, Owner o)
00258 {
00259   MakeUnmovableHQHelper(t                   , 0, o);
00260   MakeUnmovableHQHelper(t + TileDiffXY(0, 1), 1, o);
00261   MakeUnmovableHQHelper(t + TileDiffXY(1, 0), 2, o);
00262   MakeUnmovableHQHelper(t + TileDiffXY(1, 1), 3, o);
00263 }
00264 
00265 #endif /* UNMOVABLE_MAP_H */

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