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diggingInvaders: sadly, it seems that minimum spanning tree is a terrible heuristic for vertex Steiner tree in this case.

develop
expwnent 2012-12-17 00:54:39 -05:00
parent 3fde504ae2
commit ed1766936b
1 changed files with 8 additions and 4 deletions
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12
plugins/diggingInvaders/diggingInvaders.cpp
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@ -116,8 +116,12 @@ public:
bool operator<(const Edge& e) const {
if ( cost != e.cost )
return cost < e.cost;
if ( p1.z != e.p1.z )
return p1.z < e.p1.z;
if ( p1 != e.p1 )
return p1 < e.p1;
if ( p2.z != e.p2.z )
return p2.z < e.p2.z;
if ( p2 != e.p2 )
return p2 < e.p2;
return false;
@ -354,17 +358,17 @@ vector<Edge>* getEdgeSet(color_ostream &out, df::coord point, int32_t xMax, int3
df::coord neighbor(point.x+dx, point.y+dy, point.z+dz);
if ( neighbor.x < 0 || neighbor.x >= xMax || neighbor.y < 0 || neighbor.y >= yMax || neighbor.z < 0 || neighbor.z >= zMax )
continue;
if ( dz != 0 && (point.x == 0 || point.y == 0 || point.z == 0 || point.x == xMax-1 || point.y == yMax-1 || point.z == zMax-1 || neighbor.x == 0 || neighbor.y == 0 || neighbor.z == 0 || neighbor.x == xMax-1 || neighbor.y == yMax-1 || neighbor.z == zMax-1) )
if ( /*dz != 0 &&*/ /*(point.x == 0 || point.y == 0 || point.z == 0 || point.x == xMax-1 || point.y == yMax-1 || point.z == zMax-1) ||*/ (neighbor.x == 0 || neighbor.y == 0 || neighbor.z == 0 || neighbor.x == xMax-1 || neighbor.y == yMax-1 || neighbor.z == zMax-1) )
continue;
if ( dx == 0 && dy == 0 && dz == 0 )
continue;
int32_t cost = 0;
if ( dz != 0 ) cost++;
//if ( dz != 0 ) cost++;
if ( Maps::canWalkBetween(point, neighbor) ) {
Edge edge(point, neighbor, cost+1);
Edge edge(point, neighbor, cost+0);
result->push_back(edge);
} else {
Edge edge(point, neighbor, cost+100);
Edge edge(point, neighbor, cost+1);
result->push_back(edge);
}
}