public void AddSpecialFeature(
Hex hex,
Vector3 position,
float hexOuterRadius,
int wrapSize
) {
Transform instance = Instantiate(special[hex.SpecialIndex - 1]);
instance.localPosition = HexagonPoint.Perturb(
position,
hexOuterRadius,
wrapSize
);
RandomHash rootHash = HexagonPoint.SampleHashGrid(position);
float e = rootHash.GetValue(4);
instance.localRotation = Quaternion.Euler(0f, 360f * e, 0f);
instance.SetParent(_container, false);
}
private void AddWallSegment (
Vector3 pivot, Hex pivotHex,
Vector3 left, Hex leftHex,
Vector3 right, Hex rightHex,
float hexOuterRadius,
int wrapSize
) {
if (pivotHex.IsUnderwater) {
return;
}
bool hasLeftWall = !leftHex.IsUnderwater &&
pivotHex.GetEdgeType(leftHex) != ElevationEdgeTypes.Cliff;
bool hasRightWall = !rightHex.IsUnderwater &&
pivotHex.GetEdgeType(rightHex) != ElevationEdgeTypes.Cliff;
if (hasLeftWall) {
if (hasRightWall) {
bool hasTower = false;
if (leftHex.elevation == rightHex.elevation) {
RandomHash rootHash = HexagonPoint.SampleHashGrid (
(pivot + left + right) * 1f / 3f
);
float e = rootHash.GetValue(4);
hasTower = e < HexagonPoint.wallTowerThreshold;
}
AddWallSegment(
pivot,
left,
pivot,
right,
hexOuterRadius,
wrapSize,
hasTower
);
}
else if (leftHex.elevation < rightHex.elevation) {
AddWallWedge(
pivot,
left,
right,
hexOuterRadius,
wrapSize
);
}
else {
AddWallCap(
pivot,
left,
hexOuterRadius,
wrapSize
);
}
}
else if (hasRightWall) {
if (rightHex.elevation < leftHex.elevation) {
AddWallWedge(
right,
pivot,
left,
hexOuterRadius,
wrapSize
);
}
else
{
AddWallCap(
right,
pivot,
hexOuterRadius,
wrapSize
);
}
}
}
public void AddFeature(
Hex hex,
Vector3 position,
float hexOuterRadius,
int wrapSize
) {
if (hex.IsSpecial) {
return;
}
/* Randomness of rotation is obtained by sampling a Hash
* World rather than using Random, so the rotation of objects
* will not be changed when the hex is refreshed.
*/
RandomHash randomHash = HexagonPoint.SampleHashGrid(position);
float a = randomHash.GetValue(0);
float b = randomHash.GetValue(1);
float c = randomHash.GetValue(2);
float d = randomHash.GetValue(3);
float e = randomHash.GetValue(4);
Transform prefab = PickPrefab(
urbanCollections, hex.UrbanLevel, a, d
);
Transform otherPrefab = PickPrefab(
farmCollections, hex.FarmLevel, b, d
);
float usedHash = randomHash.GetValue(0);
if (prefab) {
if (otherPrefab && b < a) {
prefab = otherPrefab;
usedHash = b;
}
}
else if (otherPrefab) {
prefab = otherPrefab;
usedHash = b;
}
otherPrefab = PickPrefab (
plantCollections, hex.PlantLevel, c, d
);
if (prefab) {
if (otherPrefab && c < usedHash) {
prefab = otherPrefab;
}
}
else if (otherPrefab) {
prefab = otherPrefab;
}
else {
return;
}
if (!prefab) {
return;
}
Transform instance = Instantiate(prefab);
instance.localPosition = HexagonPoint.Perturb(
position,
hexOuterRadius,
wrapSize
);
instance.localRotation = Quaternion.Euler(0f, 360f * e, 0f);
instance.SetParent(_container, false);
}