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prep for chunk meshing

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a dinosaur
2024-09-01 21:16:05 +10:00
parent cb0e7bb232
commit da26773221
11 changed files with 157 additions and 91 deletions
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15
Sources/Voxelotl/Chunk.swift
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@ -1,4 +1,4 @@
public struct Chunk {
public struct Chunk: Hashable {
public static let shift = 4 // 16
public static let size: Int = 1 << shift
public static let mask: Int = size - 1
@ -63,6 +63,15 @@ public struct Chunk {
}
}
public func forEach(_ body: @escaping (Block, SIMD3<Int>) throws -> Void) rethrows {
for i in 0..<Self.blockCount {
try body(blocks[i], self.origin &+ SIMD3(
x: i & Self.mask,
y: (i &>> Self.shift) & Self.mask,
z: (i &>> (Self.shift + Self.shift)) & Self.mask))
}
}
public func map<T>(block transform: (Block, SIMD3<Int>) throws -> T) rethrows -> [T] {
assert(self.blocks.count == Self.blockCount)
@ -112,12 +121,12 @@ public struct Chunk {
}
}
public enum BlockType: Equatable {
public enum BlockType: Hashable {
case air
case solid(_ color: Color<Float16>)
}
public struct Block {
public struct Block: Hashable {
public var type: BlockType
public init(_ type: BlockType) {