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(svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied

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by newgrf files. When this is enabled forests cannot be built below the highest
snow line, and farms can't be built above it. Houses still use the
_opt.snow_line so they are all consistent, so to make them respect the snowline
you may want to use some newhouses features as well.
This commit is contained in:
maedhros
2007-03-20 13:47:00 +00:00
parent 7812f7fd0a
commit 48f2bf9bb1
13 changed files with 122 additions and 14 deletions
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3
src/newgrf_spritegroup.cpp
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@@ -4,6 +4,7 @@
#include "openttd.h"
#include "variables.h"
#include "macros.h"
#include "landscape.h"
#include "oldpool.h"
#include "newgrf_callbacks.h"
#include "newgrf_spritegroup.h"
@@ -91,7 +92,7 @@ static inline uint32 GetVariable(const ResolverObject *object, byte variable, by
case 0x1A: return UINT_MAX;
case 0x1B: return GB(_display_opt, 0, 6);
case 0x1C: return object->last_value;
case 0x20: return _opt.landscape == LT_HILLY ? _opt.snow_line : 0xFF;
case 0x20: return _opt.landscape == LT_HILLY ? GetSnowLine() : 0xFF;
/* Not a common variable, so evalute the feature specific variables */
default: return object->GetVariable(object, variable, parameter, available);