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Code Issues Releases Activity

Slope rotation (unfinished)

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This commit is contained in:
Sjoerd van de Goor
2023-02-08 01:30:12 +01:00
parent d4c0e07b1d
commit 684bd739b9
2 changed files with 34 additions and 0 deletions
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28
src/main/java/com/volmit/iris/engine/object/IrisObject.java
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@@ -503,6 +503,34 @@ public class IrisObject extends IrisRegistrant {
return -1;
}
// Rotation calculation
double slopeRotationY = 0;
ProceduralStream<Double> heightStream = rdata.getEngine().getComplex().getHeightStream();
if (config.isRotateTowardsSlope()) {
// TODO: Make this respect object rotation (I have no idea how. So just make sure your objects are sort of square and you'll be fine)
// Whichever side of the rectangle that bounds the object is lowest is the 'direction' of the slope (simply said).
double hNorth = heightStream.get(x, z + ((float)h) / 2);
double hEast = heightStream.get(x + ((float)w) / 2, z);
double hSouth = heightStream.get(x, z - ((float)h) / 2);
double hWest = heightStream.get(x - ((float)w) / 2, z);
double min = Math.min(Math.min(hNorth, hEast), Math.min(hSouth, hWest));
if (min == hNorth) {
slopeRotationY = 0;
} else if (min == hEast) {
slopeRotationY = 90;
} else if (min == hSouth) {
slopeRotationY = 180;
} else if (min == hWest) {
slopeRotationY = 270;
}
} else if (config.isRotateTowardsSlopePrecise()) {
// I take three points which together make a plane that decently represents the slope beneath the object
double hNorth = heightStream.get(x, z + ((float)h) / 2);
double hEast = heightStream.get(x + ((float)w) / 2, z);
double hSouthWest = heightStream.get(x - ((float)w) / 2, z - ((float)h) / 2);
// TODO: Complex math
}
if (config.isSmartBore()) {
ensureSmartBored(placer.isDebugSmartBore());
}

6
src/main/java/com/volmit/iris/engine/object/IrisObjectPlacement.java
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@@ -64,6 +64,12 @@ public class IrisObjectPlacement {
private boolean isDolphinTarget = false;
@Desc("The slope at which this object can be placed. Range from 0 to 10 by default. Calculated from the corners of the object.")
private IrisSlopeClip slopeCondition = new IrisSlopeClip();
@Desc("Set to true to add the rotation of the direction of the slope of the terrain (wherever the slope is going down) to the y-axis rotation of the object. See also rotateTowardsSlopePrecise.")
private boolean rotateTowardsSlope = false;
@Desc("By default the 'rotateTowardsSlope' function simply calculates which direction" +
" (North East South or West) is the lowest, resulting in a 0, 90, 180 or 270 degree rotations. " +
"Setting this to true does a precise calculation, which may give unwanted side-effects due to non-90 degree rotations.")
private boolean rotateTowardsSlopePrecise = false;
@MinNumber(0)
@MaxNumber(1)
@Desc("The chance for this to place in a chunk. If you need multiple per chunk, set this to 1 and use density.")