| … | |
… | |
| 83 | /* These are used in the MapLook flags element. They are not used in |
83 | /* These are used in the MapLook flags element. They are not used in |
| 84 | * in the object flags structure. |
84 | * in the object flags structure. |
| 85 | */ |
85 | */ |
| 86 | #define P_BLOCKSVIEW 0x01 |
86 | #define P_BLOCKSVIEW 0x01 |
| 87 | #define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */ |
87 | #define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */ |
| 88 | #define P_PLAYER 0x04 /* a player (or something seeing these objects) is on this mapspace */ |
88 | //#define P_PLAYER 0x04 /* a player (or something seeing these objects) is on this mapspace */ |
| 89 | #define P_SAFE 0x08 /* If this is set the map tile is a safe space, |
89 | #define P_SAFE 0x08 /* If this is set the map tile is a safe space, |
| 90 | * that means, nothing harmful can be done, |
90 | * that means, nothing harmful can be done, |
| 91 | * such as: bombs, potion usage, alchemy, spells |
91 | * such as: bombs, potion usage, alchemy, spells |
| 92 | * this was introduced to make shops safer |
92 | * this was introduced to make shops safer |
| 93 | * but is useful in other situations */ |
93 | * but is useful in other situations */ |
| … | |
… | |
| 110 | * particular space (was map, floor, floor2, map_ob), |
110 | * particular space (was map, floor, floor2, map_ob), |
| 111 | * have this structure take care of that information. |
111 | * have this structure take care of that information. |
| 112 | * This puts it all in one place, and should also make it easier |
112 | * This puts it all in one place, and should also make it easier |
| 113 | * to extend information about a space. |
113 | * to extend information about a space. |
| 114 | */ |
114 | */ |
|
|
115 | INTERFACE_CLASS (mapspace) |
| 115 | struct mapspace |
116 | struct mapspace |
| 116 | { |
117 | { |
|
|
118 | object *ACC (RW, bot); |
| 117 | object *bot, *top; /* lowest/highest object on this space */ |
119 | object *ACC (RW, top); /* lowest/highest object on this space */ |
| 118 | object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ |
120 | object *ACC (RW, faces_obj[MAP_LAYERS]);/* face objects for the 3 layers */ |
| 119 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
121 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
| 120 | sint8 light; /* How much light this space provides */ |
122 | sint8 ACC (RW, light); /* How much light this space provides */ |
| 121 | MoveType move_block; /* What movement types this space blocks */ |
123 | MoveType ACC (RW, move_block); /* What movement types this space blocks */ |
| 122 | MoveType move_slow; /* What movement types this space slows */ |
124 | MoveType ACC (RW, move_slow); /* What movement types this space slows */ |
| 123 | MoveType move_on; /* What movement types are activated */ |
125 | MoveType ACC (RW, move_on); /* What movement types are activated */ |
| 124 | MoveType move_off; /* What movement types are activated */ |
126 | MoveType ACC (RW, move_off); /* What movement types are activated */ |
| 125 | |
127 | |
| 126 | void update_ (); |
128 | void update_ (); |
| 127 | void update () |
129 | MTH void update () |
| 128 | { |
130 | { |
| 129 | if (!(flags_ & P_UPTODATE)) |
131 | if (!(flags_ & P_UPTODATE)) |
| 130 | update_ (); |
132 | update_ (); |
| 131 | } |
133 | } |
| 132 | |
134 | |
| 133 | uint8 flags () |
135 | MTH uint8 flags () |
| 134 | { |
136 | { |
| 135 | update (); |
137 | update (); |
| 136 | return flags_; |
138 | return flags_; |
| 137 | } |
139 | } |
| 138 | |
140 | |
| 139 | // maybe only inline quick flags_ checking? |
|
|
| 140 | object *player () |
141 | MTH object *player () |
| 141 | { |
142 | { |
| 142 | // search from the top, because players are usually on top |
143 | // this assumes that players are always on top |
| 143 | // make usually == always and this non-amortized O(1) |
144 | return top && top->type == PLAYER ? top : 0; |
| 144 | // could gte rid of P_PLAYER, too, then |
|
|
| 145 | if (flags () & P_PLAYER) |
|
|
| 146 | for (object *op = top; op; op = op->below) |
|
|
| 147 | if (op->type == PLAYER) |
|
|
| 148 | return op; |
|
|
| 149 | |
|
|
| 150 | return 0; |
|
|
| 151 | } |
145 | } |
| 152 | |
146 | |
| 153 | // return the item volume on this mapspace in cm³ |
147 | // return the item volume on this mapspace in cm³ |
| 154 | uint64 volume () const; |
148 | MTH uint64 volume () const; |
| 155 | |
149 | |
| 156 | bool blocks (MoveType mt) const |
150 | bool blocks (MoveType mt) const |
| 157 | { |
151 | { |
| 158 | return move_block && (mt & move_block) == mt; |
152 | return move_block && (mt & move_block) == mt; |
| 159 | } |
153 | } |
