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RecastLayers: set RC_MAX_LAYERS and RC_MAX_NEIS as optional defines (#624)

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It makes possible for a project integrating Recast to set custom values
via CXXFLAGS while remaining build system agnostic.

Type checking is kept.
This commit is contained in:
Thomas Debesse 2023-04-14 23:02:00 +02:00 committed by GitHub
parent cc944f28c1
commit 5c494ad1ee
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1 changed files with 15 additions and 2 deletions
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17
Recast/Source/RecastLayers.cpp
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@ -28,8 +28,21 @@
// Must be 255 or smaller (not 256) because layer IDs are stored as // Must be 255 or smaller (not 256) because layer IDs are stored as
// a byte where 255 is a special value. // a byte where 255 is a special value.
static const int RC_MAX_LAYERS = 63; #ifndef RC_MAX_LAYERS_DEF
static const int RC_MAX_NEIS = 16; #define RC_MAX_LAYERS_DEF 63
#endif
#if RC_MAX_LAYERS_DEF > 255
#error RC_MAX_LAYERS_DEF must be 255 or smaller
#endif
#ifndef RC_MAX_NEIS_DEF
#define RC_MAX_NEIS_DEF 16
#endif
// Keep type checking.
static const int RC_MAX_LAYERS = RC_MAX_LAYERS_DEF;
static const int RC_MAX_NEIS = RC_MAX_NEIS_DEF;
struct rcLayerRegion struct rcLayerRegion
{ {