unmovable_map.h

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00001 /* $Id: unmovable_map.h 11773 2008-01-07 00:45:05Z rubidium $ */
00002 
00005 #ifndef UNMOVABLE_MAP_H
00006 #define UNMOVABLE_MAP_H
00007 
00008 #include "core/bitmath_func.hpp"
00009 #include "tile_map.h"
00010 
00011 enum {
00012   HQ_NUM_TILE = 4, 
00013   HQ_NUM_SIZE = 5  
00014 };
00015 
00017 enum UnmovableType {
00018   UNMOVABLE_TRANSMITTER = 0,    
00019   UNMOVABLE_LIGHTHOUSE  = 1,    
00020   UNMOVABLE_STATUE      = 2,    
00021   UNMOVABLE_OWNED_LAND  = 3,    
00022   UNMOVABLE_HQ_NORTH    = 0x80, 
00023   UNMOVABLE_HQ_WEST     = 0x81, 
00024   UNMOVABLE_HQ_EAST     = 0x82, 
00025   UNMOVABLE_HQ_SOUTH    = 0x83, 
00026 
00028   UNMOVABLE_HQ_END      = UNMOVABLE_HQ_NORTH + HQ_NUM_SIZE * HQ_NUM_TILE
00029 };
00030 
00031 
00032 
00039 static inline UnmovableType GetUnmovableType(TileIndex t)
00040 {
00041   assert(IsTileType(t, MP_UNMOVABLE));
00042   return (UnmovableType)_m[t].m5;
00043 }
00044 
00050 static inline bool IsTransmitterTile(TileIndex t)
00051 {
00052   return IsTileType(t, MP_UNMOVABLE) && GetUnmovableType(t) == UNMOVABLE_TRANSMITTER;
00053 }
00054 
00061 static inline bool IsOwnedLand(TileIndex t)
00062 {
00063   assert(IsTileType(t, MP_UNMOVABLE));
00064   return GetUnmovableType(t) == UNMOVABLE_OWNED_LAND;
00065 }
00066 
00072 static inline bool IsOwnedLandTile(TileIndex t)
00073 {
00074   return IsTileType(t, MP_UNMOVABLE) && IsOwnedLand(t);
00075 }
00076 
00083 static inline bool IsCompanyHQ(TileIndex t)
00084 {
00085   assert(IsTileType(t, MP_UNMOVABLE));
00086   return IsInsideMM(GetUnmovableType(t), UNMOVABLE_HQ_NORTH, UNMOVABLE_HQ_END);
00087 }
00088 
00095 static inline bool IsStatue(TileIndex t)
00096 {
00097   assert(IsTileType(t, MP_UNMOVABLE));
00098   return GetUnmovableType(t) == UNMOVABLE_STATUE;
00099 }
00100 
00106 static inline bool IsStatueTile(TileIndex t)
00107 {
00108   return IsTileType(t, MP_UNMOVABLE) && IsStatue(t);
00109 }
00110 
00117 static inline TownID GetStatueTownID(TileIndex t)
00118 {
00119   assert(IsStatueTile(t));
00120   return _m[t].m2;
00121 }
00122 
00129 static inline byte GetCompanyHQSize(TileIndex t)
00130 {
00131   assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
00132   return GB(_m[t].m5, 2, 3);
00133 }
00134 
00141 static inline byte GetCompanyHQSection(TileIndex t)
00142 {
00143   assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
00144   return GB(_m[t].m5, 0, 5);
00145 }
00146 
00154 static inline void EnlargeCompanyHQ(TileIndex t, byte size)
00155 {
00156   assert(GB(GetCompanyHQSection(t), 0, 2) == 0);
00157 
00158   size *= 4;
00159   if (size <= _m[t].m5 - UNMOVABLE_HQ_NORTH) return;
00160 
00161   _m[t + TileDiffXY(0, 0)].m5 = UNMOVABLE_HQ_NORTH + size;
00162   _m[t + TileDiffXY(0, 1)].m5 = UNMOVABLE_HQ_WEST  + size;
00163   _m[t + TileDiffXY(1, 0)].m5 = UNMOVABLE_HQ_EAST  + size;
00164   _m[t + TileDiffXY(1, 1)].m5 = UNMOVABLE_HQ_SOUTH + size;
00165 }
00166 
00167 
00175 static inline void MakeUnmovable(TileIndex t, UnmovableType u, Owner o)
00176 {
00177   SetTileType(t, MP_UNMOVABLE);
00178   SetTileOwner(t, o);
00179   _m[t].m2 = 0;
00180   _m[t].m3 = 0;
00181   _m[t].m4 = 0;
00182   _m[t].m5 = u;
00183 }
00184 
00185 
00190 static inline void MakeTransmitter(TileIndex t)
00191 {
00192   MakeUnmovable(t, UNMOVABLE_TRANSMITTER, OWNER_NONE);
00193 }
00194 
00199 static inline void MakeLighthouse(TileIndex t)
00200 {
00201   MakeUnmovable(t, UNMOVABLE_LIGHTHOUSE, OWNER_NONE);
00202 }
00203 
00210 static inline void MakeStatue(TileIndex t, Owner o, TownID town_id)
00211 {
00212   MakeUnmovable(t, UNMOVABLE_STATUE, o);
00213   _m[t].m2 = town_id;
00214 }
00215 
00221 static inline void MakeOwnedLand(TileIndex t, Owner o)
00222 {
00223   MakeUnmovable(t, UNMOVABLE_OWNED_LAND, o);
00224 }
00225 
00231 static inline void MakeCompanyHQ(TileIndex t, Owner o)
00232 {
00233   MakeUnmovable(t + TileDiffXY(0, 0), UNMOVABLE_HQ_NORTH, o);
00234   MakeUnmovable(t + TileDiffXY(0, 1), UNMOVABLE_HQ_WEST, o);
00235   MakeUnmovable(t + TileDiffXY(1, 0), UNMOVABLE_HQ_EAST, o);
00236   MakeUnmovable(t + TileDiffXY(1, 1), UNMOVABLE_HQ_SOUTH, o);
00237 }
00238 
00239 #endif /* UNMOVABLE_MAP_H */

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