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Additional adjustment of zone positions to ensure balanced zone sizes.

This commit is contained in:
DjWarmonger 2015-01-16 19:28:27 +01:00
parent ba604f4e43
commit 0acae7a708
3 changed files with 59 additions and 11 deletions

View File

@ -376,6 +376,11 @@ void CRmgTemplateZone::discardDistantTiles (CMapGenerator* gen, float distance)
});
}
void CRmgTemplateZone::clearTiles()
{
tileinfo.clear();
}
void CRmgTemplateZone::initFreeTiles (CMapGenerator* gen)
{
vstd::copy_if (tileinfo, vstd::set_inserter(possibleTiles), [gen](const int3 &tile) -> bool

View File

@ -149,6 +149,7 @@ public:
void initFreeTiles (CMapGenerator* gen);
std::set<int3> getTileInfo () const;
void discardDistantTiles (CMapGenerator* gen, float distance);
void clearTiles();
void addRequiredObject(CGObjectInstance * obj, si32 guardStrength=0);
void addCloseObject(CGObjectInstance * obj, si32 guardStrength = 0);

View File

@ -323,7 +323,7 @@ d = 0.01 * dx^3 - 0.1618 * dx^2 + 1 * dx + ...
void CZonePlacer::assignZones(const CMapGenOptions * mapGenOptions)
{
logGlobal->infoStream() << "Starting zone colouring";
logGlobal->infoStream() << "Starting zone colouring";
auto width = mapGenOptions->getWidth();
auto height = mapGenOptions->getHeight();
@ -338,12 +338,62 @@ void CZonePlacer::assignZones(const CMapGenOptions * mapGenOptions)
std::vector <Dpair> distances;
distances.reserve(zones.size());
//now place zones correctly and assign tiles to each zone
auto compareByDistance = [](const Dpair & lhs, const Dpair & rhs) -> bool
{
return lhs.second < rhs.second;
};
auto moveZoneToCenterOfMass = [](CRmgTemplateZone * zone) -> void
{
int3 total(0, 0, 0);
auto tiles = zone->getTileInfo();
for (auto tile : tiles)
{
total += tile;
}
int size = tiles.size();
assert(size);
zone->setPos(int3(total.x / size, total.y / size, total.z / size));
};
int levels = gen->map->twoLevel ? 2 : 1;
/*
1. Create Voronoi diagram
2. find current center of mass for each zone. Move zone to that center to balance zones sizes
*/
for (int i = 0; i<width; i++)
{
for (int j = 0; j<height; j++)
{
for (int k = 0; k < levels; k++)
{
distances.clear();
int3 pos(i, j, k);
for (auto zone : zones)
{
if (zone.second->getPos().z == k)
distances.push_back(std::make_pair(zone.second, pos.dist2dSQ(zone.second->getPos())));
else
distances.push_back(std::make_pair(zone.second, std::numeric_limits<float>::max()));
}
boost::sort(distances, compareByDistance);
distances.front().first->addTile(pos); //closest tile belongs to zone
}
}
}
for (auto zone : zones)
moveZoneToCenterOfMass(zone.second);
//assign actual tiles to each zone using nonlinear norm for fine edges
for (auto zone : zones)
zone.second->clearTiles(); //now populate them again
for (int i=0; i<width; i++)
{
for(int j=0; j<height; j++)
@ -364,18 +414,10 @@ void CZonePlacer::assignZones(const CMapGenOptions * mapGenOptions)
}
}
}
//set position to center of mass
//set position (town position) to center of mass of irregular zone
for (auto zone : zones)
{
int3 total(0,0,0);
auto tiles = zone.second->getTileInfo();
for (auto tile : tiles)
{
total += tile;
}
int size = tiles.size();
assert (size);
zone.second->setPos (int3(total.x/size, total.y/size, total.z/size));
moveZoneToCenterOfMass(zone.second);
//TODO: similiar for islands
#define CREATE_FULL_UNDERGROUND true //consider linking this with water amount