28 lines
950 B
C++
28 lines
950 B
C++
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//environment.cpp
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//load a new environment fiel from disk
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//environments basically control the wheather and
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//what background images to use and stuff like that
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#include "fileio.h"
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#include "environment.h"
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#include "gamemem.h"
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#include "parser.h"
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#include "roads.h"
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#include "textures.h"
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#include "gameinitexit.h"
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tEnvironment *gEnvironment;
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#define kAirDensity 1.2929 //kg*m^-3
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#define kGravitionalAcceleration 9.80665 //m*s^-2
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void LoadEnvironment(int ref)
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{
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gEnvironment=(tEnvironment*)FileGetParsedDataPtr(ref,kParserTypeEnvironmentDesc,sizeof(tEnvironment));
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gSurfaceTypes=(tSurfaceTypeList*)FileGetParsedDataPtr(gEnvironment->surfaceTypes,kParserTypeSurfaceTypeDesc,sizeof(tSurfaceTypeList));
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if(gEnvironment->gravity==0)
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gEnvironment->gravity=kGravitionalAcceleration;
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if(gEnvironment->airDensity==0)
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gEnvironment->airDensity=kAirDensity;
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if(gEnvironment->hasAltEnv&&gMapInfo->useAltEnv)
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LoadEnvironment(gEnvironment->altEnv);
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}
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