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Location: cpp/openttd-patchpack/source/yapf/yapf_node_rail.hpp
r4682:f3c270aa98d4
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(svn r6587) WebTranslator2 update to 2006-09-30 17:59:21
brazilian_portuguese - 44 fixed by tucalipe (44)
czech - 3 changed by Hadez (3)
hungarian - 8 fixed by miham (8)
polish - 8 fixed, 4 changed by meush (12)
swedish - 8 fixed by cjw (8)
brazilian_portuguese - 44 fixed by tucalipe (44)
czech - 3 changed by Hadez (3)
hungarian - 8 fixed by miham (8)
polish - 8 fixed, 4 changed by meush (12)
swedish - 8 fixed by cjw (8)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | /* $Id$ */
#ifndef YAPF_NODE_RAIL_HPP
#define YAPF_NODE_RAIL_HPP
/** key for cached segment cost for rail YAPF */
struct CYapfRailSegmentKey
{
uint32 m_value;
FORCEINLINE CYapfRailSegmentKey(const CYapfRailSegmentKey& src) : m_value(src.m_value) {}
FORCEINLINE CYapfRailSegmentKey(const CYapfNodeKeyExitDir& node_key) {Set(node_key);}
FORCEINLINE void Set(const CYapfRailSegmentKey& src) {m_value = src.m_value;}
FORCEINLINE void Set(const CYapfNodeKeyExitDir& node_key) {m_value = (((int)node_key.m_tile) << 2) | node_key.m_exitdir;}
FORCEINLINE int32 CalcHash() const {return m_value;}
FORCEINLINE TileIndex GetTile() const {return (TileIndex)(m_value >> 2);}
FORCEINLINE DiagDirection GetExitDir() const {return (DiagDirection)(m_value & 3);}
FORCEINLINE bool operator == (const CYapfRailSegmentKey& other) const {return m_value == other.m_value;}
};
/** cached segment cost for rail YAPF */
struct CYapfRailSegment
{
typedef CYapfRailSegmentKey Key;
CYapfRailSegmentKey m_key;
TileIndex m_last_tile;
Trackdir m_last_td;
int m_cost;
TileIndex m_last_signal_tile;
Trackdir m_last_signal_td;
CYapfRailSegment* m_hash_next;
union {
byte m_flags;
struct {
bool m_end_of_line : 1;
} flags_s;
} flags_u;
byte m_reserve[3];
FORCEINLINE CYapfRailSegment(const CYapfRailSegmentKey& key)
: m_key(key)
, m_last_tile(INVALID_TILE)
, m_last_td(INVALID_TRACKDIR)
, m_cost(-1)
, m_last_signal_tile(INVALID_TILE)
, m_last_signal_td(INVALID_TRACKDIR)
, m_hash_next(NULL)
{
flags_u.m_flags = 0;
}
FORCEINLINE const Key& GetKey() const {return m_key;}
FORCEINLINE TileIndex GetTile() const {return m_key.GetTile();}
FORCEINLINE DiagDirection GetExitDir() const {return m_key.GetExitDir();}
FORCEINLINE CYapfRailSegment* GetHashNext() {return m_hash_next;}
FORCEINLINE void SetHashNext(CYapfRailSegment* next) {m_hash_next = next;}
};
/** Yapf Node for rail YAPF */
template <class Tkey_>
struct CYapfRailNodeT
: CYapfNodeT<Tkey_, CYapfRailNodeT<Tkey_> >
{
typedef CYapfNodeT<Tkey_, CYapfRailNodeT<Tkey_> > base;
typedef CYapfRailSegment CachedData;
CYapfRailSegment *m_segment;
uint16 m_num_signals_passed;
union {
uint32 m_inherited_flags;
struct {
bool m_targed_seen : 1;
bool m_choice_seen : 1;
bool m_last_signal_was_red : 1;
} flags_s;
} flags_u;
SignalType m_last_red_signal_type;
FORCEINLINE void Set(CYapfRailNodeT* parent, TileIndex tile, Trackdir td, bool is_choice)
{
base::Set(parent, tile, td, is_choice);
m_segment = NULL;
if (parent == NULL) {
m_num_signals_passed = 0;
flags_u.m_inherited_flags = 0;
m_last_red_signal_type = SIGTYPE_NORMAL;
} else {
m_num_signals_passed = parent->m_num_signals_passed;
flags_u.m_inherited_flags = parent->flags_u.m_inherited_flags;
m_last_red_signal_type = parent->m_last_red_signal_type;
}
flags_u.flags_s.m_choice_seen |= is_choice;
}
FORCEINLINE TileIndex GetLastTile() const {assert(m_segment != NULL); return m_segment->m_last_tile;}
FORCEINLINE Trackdir GetLastTrackdir() const {assert(m_segment != NULL); return m_segment->m_last_td;}
FORCEINLINE void SetLastTileTrackdir(TileIndex tile, Trackdir td) {assert(m_segment != NULL); m_segment->m_last_tile = tile; m_segment->m_last_td = td;}
};
// now define two major node types (that differ by key type)
typedef CYapfRailNodeT<CYapfNodeKeyExitDir> CYapfRailNodeExitDir;
typedef CYapfRailNodeT<CYapfNodeKeyTrackDir> CYapfRailNodeTrackDir;
// Default NodeList types
typedef CNodeList_HashTableT<CYapfRailNodeExitDir , 10, 12> CRailNodeListExitDir;
typedef CNodeList_HashTableT<CYapfRailNodeTrackDir, 12, 16> CRailNodeListTrackDir;
#endif /* YAPF_NODE_RAIL_HPP */
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