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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* AILayerTransitionRule.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "AILayerTransitionRule.h"
namespace AIPathfinding
{
AILayerTransitionRule::AILayerTransitionRule(CPlayerSpecificInfoCallback * cb, VCAI * ai, std::shared_ptr<AINodeStorage> nodeStorage)
:cb(cb), ai(ai), nodeStorage(nodeStorage)
{
setup();
}
void AILayerTransitionRule::process(
const PathNodeInfo & source,
CDestinationNodeInfo & destination,
const PathfinderConfig * pathfinderConfig,
CPathfinderHelper * pathfinderHelper) const
{
LayerTransitionRule::process(source, destination, pathfinderConfig, pathfinderHelper);
if(!destination.blocked)
{
return;
}
if(source.node->layer == EPathfindingLayer::LAND && destination.node->layer == EPathfindingLayer::SAIL)
{
std::shared_ptr<const VirtualBoatAction> virtualBoat = findVirtualBoat(destination, source);
if(virtualBoat && tryEmbarkVirtualBoat(destination, source, virtualBoat))
{
#ifdef VCMI_TRACE_PATHFINDER
logAi->trace("Embarking to virtual boat while moving %s -> %s!", source.coord.toString(), destination.coord.toString());
#endif
}
}
}
void AILayerTransitionRule::setup()
{
std::vector<const IShipyard *> shipyards;
for(const CGTownInstance * t : cb->getTownsInfo())
{
if(t->hasBuilt(BuildingID::SHIPYARD))
shipyards.push_back(t);
}
for(const CGObjectInstance * obj : ai->visitableObjs)
{
if(obj->ID != Obj::TOWN) //towns were handled in the previous loop
{
if(const IShipyard * shipyard = IShipyard::castFrom(obj))
shipyards.push_back(shipyard);
}
}
for(const IShipyard * shipyard : shipyards)
{
if(shipyard->shipyardStatus() == IShipyard::GOOD)
{
int3 boatLocation = shipyard->bestLocation();
virtualBoats[boatLocation] = std::make_shared<BuildBoatAction>(shipyard);
logAi->debug("Virtual boat added at %s", boatLocation.toString());
}
}
auto hero = nodeStorage->getHero();
auto summonBoatSpell = SpellID(SpellID::SUMMON_BOAT).toSpell();
if(hero->canCastThisSpell(summonBoatSpell)
&& hero->getSpellSchoolLevel(summonBoatSpell) >= SecSkillLevel::ADVANCED)
{
// TODO: For lower school level we might need to check the existance of some boat
summonableVirtualBoat.reset(new SummonBoatAction());
}
}
std::shared_ptr<const VirtualBoatAction> AILayerTransitionRule::findVirtualBoat(
CDestinationNodeInfo & destination,
const PathNodeInfo & source) const
{
std::shared_ptr<const VirtualBoatAction> virtualBoat;
if(vstd::contains(virtualBoats, destination.coord))
{
virtualBoat = virtualBoats.at(destination.coord);
}
else if(
summonableVirtualBoat
&& summonableVirtualBoat->isAffordableBy(nodeStorage->getHero(), nodeStorage->getAINode(source.node)))
{
virtualBoat = summonableVirtualBoat;
}
return virtualBoat;
}
bool AILayerTransitionRule::tryEmbarkVirtualBoat(
CDestinationNodeInfo & destination,
const PathNodeInfo & source,
std::shared_ptr<const VirtualBoatAction> virtualBoat) const
{
bool result = false;
nodeStorage->updateAINode(destination.node, [&](AIPathNode * node)
{
auto boatNodeOptional = nodeStorage->getOrCreateNode(
node->coord,
node->layer,
(int)(node->chainMask | virtualBoat->getSpecialChain()));
if(boatNodeOptional)
{
AIPathNode * boatNode = boatNodeOptional.get();
if(boatNode->action == CGPathNode::UNKNOWN)
{
boatNode->specialAction = virtualBoat;
destination.blocked = false;
destination.action = CGPathNode::ENodeAction::EMBARK;
destination.node = boatNode;
result = true;
}
else
{
#ifdef VCMI_TRACE_PATHFINDER
logAi->trace(
"Special transition node already allocated. Blocked moving %s -> %s",
source.coord.toString(),
destination.coord.toString());
#endif
}
}
else
{
logAi->debug(
"Can not allocate special transition node while moving %s -> %s",
source.coord.toString(),
destination.coord.toString());
}
});
return result;
}
}
|
