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8x block meshes (#13133)

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Reduce the number of drawcalls by generating a mesh per 8 blocks (2x2x2). Only blocks with even coordinates (lowest bit set to 0) will get a mesh.

Note: This also removes the old 'loops' algorithm for building the draw list, because it produces visual artifacts and cannot be made compatible with the approach of having a mesh for every 8th block without hurting performance.

Co-authored-by: Jude Melton-Houghton <jwmhjwmh@gmail.com>
Co-authored-by: Lars <larsh@apache.org>
Co-authored-by: sfan5 <sfan5@live.de>
This commit is contained in:
x2048 2023-01-31 17:30:59 +01:00 • committed by GitHub
parent cded6a3945
commit 69fc206109
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14 changed files with 266 additions and 118 deletions
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72
src/util/directiontables.cpp
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@ -110,6 +110,78 @@ const v3s16 g_27dirs[27] =
v3s16(0,0,0),
};
const v3s16 g_64dirs[64] =
{
// +right, +top, +back
v3s16( -1, -1, -1),
v3s16( -1, 0, -1),
v3s16( -1, 1, -1),
v3s16( -1, 2, -1),
v3s16( -1, -1, 0),
v3s16( -1, 0, 0),
v3s16( -1, 1, 0),
v3s16( -1, 2, 0),
v3s16( -1, -1, 1),
v3s16( -1, 0, 1),
v3s16( -1, 1, 1),
v3s16( -1, 2, 1),
v3s16( -1, -1, 2),
v3s16( -1, 0, 2),
v3s16( -1, 1, 2),
v3s16( -1, 2, 2),
v3s16( 0, -1, -1),
v3s16( 0, 0, -1),
v3s16( 0, 1, -1),
v3s16( 0, 2, -1),
v3s16( 0, -1, 0),
v3s16( 0, 0, 0),
v3s16( 0, 1, 0),
v3s16( 0, 2, 0),
v3s16( 0, -1, 1),
v3s16( 0, 0, 1),
v3s16( 0, 1, 1),
v3s16( 0, 2, 1),
v3s16( 0, -1, 2),
v3s16( 0, 0, 2),
v3s16( 0, 1, 2),
v3s16( 0, 2, 2),
v3s16( 1, -1, -1),
v3s16( 1, 0, -1),
v3s16( 1, 1, -1),
v3s16( 1, 2, -1),
v3s16( 1, -1, 0),
v3s16( 1, 0, 0),
v3s16( 1, 1, 0),
v3s16( 1, 2, 0),
v3s16( 1, -1, 1),
v3s16( 1, 0, 1),
v3s16( 1, 1, 1),
v3s16( 1, 2, 1),
v3s16( 1, -1, 2),
v3s16( 1, 0, 2),
v3s16( 1, 1, 2),
v3s16( 1, 2, 2),
v3s16( 2, -1, -1),
v3s16( 2, 0, -1),
v3s16( 2, 1, -1),
v3s16( 2, 2, -1),
v3s16( 2, -1, 0),
v3s16( 2, 0, 0),
v3s16( 2, 1, 0),
v3s16( 2, 2, 0),
v3s16( 2, -1, 1),
v3s16( 2, 0, 1),
v3s16( 2, 1, 1),
v3s16( 2, 2, 1),
v3s16( 2, -1, 2),
v3s16( 2, 0, 2),
v3s16( 2, 1, 2),
v3s16( 2, 2, 2),
};
const u8 wallmounted_to_facedir[6] = {
20,
0,