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Undo the performance regression of the previous commit by adding a special case for air blocks.

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This commit is contained in:
IntegratedQuantum 2024-03-30 22:54:48 +01:00
parent 4ab40cc85b
commit 5fea779e37
1 changed files with 2 additions and 0 deletions
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2
src/renderer/lighting.zig
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@ -75,6 +75,7 @@ pub const ChannelChunk = struct {
}
fn calculateIncomingOcclusion(result: *[3]u8, block: blocks.Block, voxelSize: u31, neighbor: usize) void {
if(block.typ == 0) return;
if(main.models.models.items[blocks.meshes.model(block)].isNeighborOccluded[neighbor]) {
var absorption: [3]u8 = extractColor(block.absorption());
absorption[0] *|= @intCast(voxelSize);
@ -87,6 +88,7 @@ pub const ChannelChunk = struct {
}
fn calculateOutgoingOcclusion(result: *[3]u8, block: blocks.Block, voxelSize: u31, neighbor: usize) void {
if(block.typ == 0) return;
const model = &main.models.models.items[blocks.meshes.model(block)];
if(model.isNeighborOccluded[neighbor] and !model.isNeighborOccluded[neighbor ^ 1]) { // Avoid calculating the absorption twice.
var absorption: [3]u8 = extractColor(block.absorption());