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feat(nav): 17.3 - a map in square tiles (nav_tiled, nav_tile_build; a tile must be a whole number of cells or its seams never join, and the shim refuses one that is not; 64-bit polygon refs for 16384 tiles), ground as a NavGround with boulders as convex footprints, one save format for one tile or many, and nav_random_near - a reachable point from the caller's seed, bit-identical on the Mac and the PC. 10 tests on both

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-27 15:42:37 +03:00
parent 9b8606483d
commit e6893f58be
16 changed files with 436 additions and 109 deletions
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5
packages/ludic.nav/native/build.sh
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@ -1,7 +1,8 @@
#!/bin/sh
# builds lib/<target>/ for ludic.nav: Recast & Detour at a pinned tag, and the shim over them.
# Recast builds the mesh, Detour answers it; DetourTileCache and DetourCrowd come with phases 17.8
# and 18. Objects go to build/native; a few seconds on eight cores.
# and 18. Polygon refs are 64-bit (DT_POLYREF64): an 8 km map in 64 m tiles is 16384 tiles, which
# 32-bit refs would leave 256 polygons each. Objects go to build/native; a few seconds on eight cores.
set -eu
PKG="$(cd "$(dirname "$0")/.." && pwd)"
. "$PKG/../../tools/native/lib.sh"
@ -14,7 +15,7 @@ OBJ="$PKG/build/native/$(native_target)"
mkdir -p "$OBJ"
CXX="$(native_cxx)"
INC="-I$SRC/Recast/Include -I$SRC/Detour/Include"
FLAGS="$(native_cflags) -std=c++17 -ffp-contract=off -fno-exceptions -fno-rtti -DNDEBUG $INC"
FLAGS="$(native_cflags) -std=c++17 -ffp-contract=off -fno-exceptions -fno-rtti -DNDEBUG -DDT_POLYREF64 $INC"
case "$(native_target)" in windows-*) FLAGS="$FLAGS -D_CRT_SECURE_NO_WARNINGS" ;; esac
JOBS="$(getconf _NPROCESSORS_ONLN 2>/dev/null || echo 4)"