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- added a 'lightsizefactor' command to gldefs.

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This is for mitigating the recently discovered problem with attenuated lights getting reduced in size, even on OpenGL 3+. The intent of the shrinking was to account for higher brightness of non-attenuated lights on OpenGL 2 and was never meant to be active on more modern versions.
The factor will apply to any attenuated light defined after it and will be inherited by included sub-lumps, but it will only last for the lunp it is set in.

If you have a definition for the broken behavior, AddLightAssociation

'lightsizefactor 0.667' at the top of your GLDEFS.
This commit is contained in:
Christoph Oelckers 2018-04-18 22:15:06 +02:00
parent 4ab6034a36
commit e77cba1fd8
2 changed files with 20 additions and 9 deletions
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7
src/r_data/a_dynlightdata.cpp
View file

@ -137,7 +137,7 @@ void FLightDefaults::ApplyProperties(ADynamicLight * light) const
extern int ScriptDepth;
void AddLightDefaults(FLightDefaults *defaults)
void AddLightDefaults(FLightDefaults *defaults, double attnFactor)
{
FLightDefaults *temp;
unsigned int i;
@ -153,6 +153,11 @@ void AddLightDefaults(FLightDefaults *defaults)
break;
}
}
if (defaults->GetAttenuate())
{
defaults->SetArg(LIGHT_INTENSITY, int(defaults->GetArg(LIGHT_INTENSITY) * attnFactor));
defaults->SetArg(LIGHT_SECONDARY_INTENSITY, int(defaults->GetArg(LIGHT_SECONDARY_INTENSITY) * attnFactor));
}
LightDefaults.Push(defaults);
}

22
src/r_data/gldefs.cpp
View file

@ -52,7 +52,7 @@
#include "textures/skyboxtexture.h"
#include "gl/shaders/gl_postprocessshader.h"
void AddLightDefaults(FLightDefaults *defaults);
void AddLightDefaults(FLightDefaults *defaults, double attnFactor);
void AddLightAssociation(const char *actor, const char *frame, const char *light);
void InitializeActorLights(TArray<FLightAssociation> &LightAssociations);
@ -193,6 +193,7 @@ static const char *CoreKeywords[]=
"detail",
"#include",
"material",
"lightsizefactor",
nullptr
};
@ -215,7 +216,8 @@ enum
TAG_HARDWARESHADER,
TAG_DETAIL,
TAG_INCLUDE,
TAG_MATERIAL
TAG_MATERIAL,
TAG_LIGHTSIZEFACTOR,
};
//==========================================================================
@ -230,6 +232,7 @@ class GLDefsParser
int workingLump;
int ScriptDepth = 0;
TArray<FLightAssociation> &LightAssociations;
double lightSizeFactor = 1.;
//==========================================================================
//
@ -470,7 +473,7 @@ class GLDefsParser
sc.ScriptError("Unknown tag: %s\n", sc.String);
}
}
AddLightDefaults(defaults);
AddLightDefaults(defaults, lightSizeFactor);
}
else
{
@ -565,7 +568,7 @@ class GLDefsParser
}
defaults->OrderIntensities();
AddLightDefaults(defaults);
AddLightDefaults(defaults, lightSizeFactor);
}
else
{
@ -660,7 +663,7 @@ class GLDefsParser
}
}
defaults->OrderIntensities();
AddLightDefaults(defaults);
AddLightDefaults(defaults, lightSizeFactor);
}
else
{
@ -760,7 +763,7 @@ class GLDefsParser
defaults->SetArg(LIGHT_SECONDARY_INTENSITY, defaults->GetArg(LIGHT_INTENSITY));
defaults->SetArg(LIGHT_INTENSITY, v);
}
AddLightDefaults(defaults);
AddLightDefaults(defaults, lightSizeFactor);
}
else
{
@ -846,7 +849,7 @@ class GLDefsParser
sc.ScriptError("Unknown tag: %s\n", sc.String);
}
}
AddLightDefaults(defaults);
AddLightDefaults(defaults, lightSizeFactor);
}
else
{
@ -1427,7 +1430,6 @@ class GLDefsParser
}
}
}
public:
@ -1461,6 +1463,7 @@ public:
sc.ScriptError("Lump '%s' not found", sc.String);
GLDefsParser newscanner(lump, LightAssociations);
newscanner.lightSizeFactor = lightSizeFactor;
newscanner.DoParseDefs();
break;
}
@ -1508,6 +1511,9 @@ public:
case TAG_DETAIL:
ParseDetailTexture();
break;
case TAG_LIGHTSIZEFACTOR:
lightSizeFactor = ParseFloat(sc);
break;
case TAG_DISABLE_FB:
{
/* not implemented.