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(svn r19235) -Add: [NewGRF] Add 2 bits of pseudo-random data for rail types, based on tile location.

release/1.1
peter1138 2010-02-25 09:43:00 +00:00
parent 29c05e2dd2
commit f9709a6f50
1 changed files with 4 additions and 1 deletions
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5
src/newgrf_railtype.cpp
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@ -14,10 +14,13 @@
#include "newgrf_commons.h" #include "newgrf_commons.h"
#include "newgrf_railtype.h" #include "newgrf_railtype.h"
#include "newgrf_spritegroup.h" #include "newgrf_spritegroup.h"
#include "core/bitmath_func.hpp"
static uint32 RailTypeGetRandomBits(const ResolverObject *object) static uint32 RailTypeGetRandomBits(const ResolverObject *object)
{ {
return 0; TileIndex tile = object->u.routes.tile;
uint tmp = CountBits(tile + (TileX(tile) + TileY(tile)) * TILE_SIZE);
return GB(tmp, 0, 2);
} }
static uint32 RailTypeGetTriggers(const ResolverObject *object) static uint32 RailTypeGetTriggers(const ResolverObject *object)