Fixes n tweaks

1 files changed, 37 insertions, 0 deletions

diff --git a/src/main/kotlin/io/dico/parcels2/util/math/Region.kt b/src/main/kotlin/io/dico/parcels2/util/math/Region.kt
new file mode 100644
index 0000000..cdbd497
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/util/math/Region.kt
@@ -0,0 +1,37 @@
+package io.dico.parcels2.util.math
+
+data class Region(val origin: Vec3i, val size: Vec3i) {
+    val blockCount: Int get() = size.x * size.y * size.z
+
+    val center: Vec3d
+        get() {
+            val x = (origin.x + size.x) / 2.0
+            val y = (origin.y + size.y) / 2.0
+            val z = (origin.z + size.z) / 2.0
+            return Vec3d(x, y, z)
+        }
+
+    val end: Vec3i
+        get() = origin + size
+
+    val max: Vec3i
+        get() = Vec3i(origin.x + size.x - 1, origin.y + size.y - 1, origin.z + size.z - 1)
+
+    fun withSize(size: Vec3i): Region {
+        if (size == this.size) return this
+        return Region(origin, size)
+    }
+
+    operator fun contains(loc: Vec3i): Boolean = getFirstUncontainedDimensionOf(loc) == null
+
+    fun getFirstUncontainedDimensionOf(loc: Vec3i): Dimension? {
+        val max = max
+        return when {
+            loc.x !in origin.x..max.x -> Dimension.X
+            loc.z !in origin.z..max.z -> Dimension.Z
+            loc.y !in origin.y..max.y -> Dimension.Y
+            else -> null
+        }
+    }
+
+}
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