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- Add dynamic spot lights

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This commit is contained in:
Magnus Norddahl 2018-01-04 17:58:11 +01:00
parent 4b044e30d7
commit 5f36b86013
7 changed files with 134 additions and 13 deletions
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7
src/g_shared/a_dynlight.cpp
View file

@ -114,6 +114,9 @@ DEFINE_CLASS_PROPERTY(type, S, DynamicLight)
//==========================================================================
IMPLEMENT_CLASS(ADynamicLight, false, false)
DEFINE_FIELD(ADynamicLight, SpotInnerAngle)
DEFINE_FIELD(ADynamicLight, SpotOuterAngle)
static FRandom randLight;
//==========================================================================
@ -134,7 +137,9 @@ void ADynamicLight::Serialize(FSerializer &arc)
arc("lightflags", lightflags, def->lightflags)
("lighttype", lighttype, def->lighttype)
("tickcount", m_tickCount, def->m_tickCount)
("currentradius", m_currentRadius, def->m_currentRadius);
("currentradius", m_currentRadius, def->m_currentRadius)
("spotinnerangle", SpotInnerAngle, def->SpotInnerAngle)
("spotouterangle", SpotOuterAngle, def->SpotOuterAngle);
if (lighttype == PulseLight)
arc("lastupdate", m_lastUpdate, def->m_lastUpdate)

9
src/g_shared/a_dynlight.h
View file

@ -28,7 +28,8 @@ enum LightFlag
LF_DONTLIGHTSELF = 4,
LF_ATTENUATE = 8,
LF_NOSHADOWMAP = 16,
LF_DONTLIGHTACTORS = 32
LF_DONTLIGHTACTORS = 32,
LF_SPOT = 64
};
typedef TFlags<LightFlag> LightFlags;
@ -42,7 +43,7 @@ enum ELightType
FlickerLight,
RandomFlickerLight,
SectorLight,
SpotLight,
DummyLight,
ColorPulseLight,
ColorFlickerLight,
RandomColorFlickerLight
@ -100,6 +101,7 @@ public:
bool IsActive() const { return !(flags2&MF2_DORMANT); }
bool IsSubtractive() { return !!(lightflags & LF_SUBTRACTIVE); }
bool IsAdditive() { return !!(lightflags & LF_ADDITIVE); }
bool IsSpot() { return !!(lightflags & LF_SPOT); }
FState *targetState;
FLightNode * touching_sides;
FLightNode * touching_subsectors;
@ -127,6 +129,7 @@ public:
bool shadowmapped;
int bufferindex;
LightFlags lightflags;
DAngle SpotInnerAngle = 10.0;
DAngle SpotOuterAngle = 25.0;
};

59
src/g_shared/a_dynlightdata.cpp
View file

@ -128,6 +128,9 @@ public:
void SetAttenuate(bool on) { m_attenuate = on; }
void SetHalo(bool halo) { m_halo = halo; }
void SetDontLightActors(bool on) { m_dontlightactors = on; }
void SetSpot(bool spot) { m_spot = spot; }
void SetSpotInnerAngle(double angle) { m_spotInnerAngle = angle; }
void SetSpotOuterAngle(double angle) { m_spotOuterAngle = angle; }
void OrderIntensities()
{
@ -151,6 +154,9 @@ protected:
bool m_dontlightself = false;
bool m_dontlightactors = false;
bool m_swapped = false;
bool m_spot = false;
double m_spotInnerAngle = 10.0;
double m_spotOuterAngle = 25.0;
};
TDeletingArray<FLightDefaults *> LightDefaults;
@ -183,6 +189,10 @@ void FLightDefaults::ApplyProperties(ADynamicLight * light) const
if (m_additive) light->lightflags |= LF_ADDITIVE;
if (m_dontlightself) light->lightflags |= LF_DONTLIGHTSELF;
if (m_dontlightactors) light->lightflags |= LF_DONTLIGHTACTORS;
if (m_spot)
light->lightflags |= LF_SPOT;
light->SpotInnerAngle = m_spotInnerAngle;
light->SpotOuterAngle = m_spotOuterAngle;
light->m_tickCount = 0;
if (m_type == PulseLight)
{
@ -233,7 +243,8 @@ static const char *LightTags[]=
"dontlightself",
"attenuate",
"dontlightactors",
NULL
"spot",
nullptr
};
@ -255,6 +266,7 @@ enum {
LIGHTTAG_DONTLIGHTSELF,
LIGHTTAG_ATTENUATE,
LIGHTTAG_DONTLIGHTACTORS,
LIGHTTAG_SPOT
};
@ -395,6 +407,15 @@ static void ParsePointLight(FScanner &sc)
case LIGHTTAG_DONTLIGHTACTORS:
defaults->SetDontLightActors(ParseInt(sc) != 0);
break;
case LIGHTTAG_SPOT:
{
float innerAngle = ParseFloat(sc);
float outerAngle = ParseFloat(sc);
defaults->SetSpot(true);
defaults->SetSpotInnerAngle(innerAngle);
defaults->SetSpotOuterAngle(outerAngle);
}
break;
default:
sc.ScriptError("Unknown tag: %s\n", sc.String);
}
@ -480,6 +501,15 @@ static void ParsePulseLight(FScanner &sc)
case LIGHTTAG_DONTLIGHTACTORS:
defaults->SetDontLightActors(ParseInt(sc) != 0);
break;
case LIGHTTAG_SPOT:
{
float innerAngle = ParseFloat(sc);
float outerAngle = ParseFloat(sc);
defaults->SetSpot(true);
defaults->SetSpotInnerAngle(innerAngle);
defaults->SetSpotOuterAngle(outerAngle);
}
break;
default:
sc.ScriptError("Unknown tag: %s\n", sc.String);
}
@ -567,6 +597,15 @@ void ParseFlickerLight(FScanner &sc)
case LIGHTTAG_DONTLIGHTACTORS:
defaults->SetDontLightActors(ParseInt(sc) != 0);
break;
case LIGHTTAG_SPOT:
{
float innerAngle = ParseFloat(sc);
float outerAngle = ParseFloat(sc);
defaults->SetSpot(true);
defaults->SetSpotInnerAngle(innerAngle);
defaults->SetSpotOuterAngle(outerAngle);
}
break;
default:
sc.ScriptError("Unknown tag: %s\n", sc.String);
}
@ -653,6 +692,15 @@ void ParseFlickerLight2(FScanner &sc)
case LIGHTTAG_DONTLIGHTACTORS:
defaults->SetDontLightActors(ParseInt(sc) != 0);
break;
case LIGHTTAG_SPOT:
{
float innerAngle = ParseFloat(sc);
float outerAngle = ParseFloat(sc);
defaults->SetSpot(true);
defaults->SetSpotInnerAngle(innerAngle);
defaults->SetSpotOuterAngle(outerAngle);
}
break;
default:
sc.ScriptError("Unknown tag: %s\n", sc.String);
}
@ -736,6 +784,15 @@ static void ParseSectorLight(FScanner &sc)
case LIGHTTAG_DONTLIGHTACTORS:
defaults->SetDontLightActors(ParseInt(sc) != 0);
break;
case LIGHTTAG_SPOT:
{
float innerAngle = ParseFloat(sc);
float outerAngle = ParseFloat(sc);
defaults->SetSpot(true);
defaults->SetSpotInnerAngle(innerAngle);
defaults->SetSpotOuterAngle(outerAngle);
}
break;
default:
sc.ScriptError("Unknown tag: %s\n", sc.String);
}

29
src/gl/dynlights/gl_dynlight1.cpp
View file

@ -128,7 +128,26 @@ void gl_AddLightToList(int group, ADynamicLight * light, FDynLightData &ldata)
if (attenuate) shadowIndex = -shadowIndex;
float *data = &ldata.arrays[i][ldata.arrays[i].Reserve(8)];
float lightType = 0.0f;
float spotInnerAngle = 0.0f;
float spotOuterAngle = 0.0f;
float spotDirX = 0.0f;
float spotDirY = 0.0f;
float spotDirZ = 0.0f;
if (light->IsSpot())
{
lightType = 1.0f;
spotInnerAngle = light->SpotInnerAngle.Cos();
spotOuterAngle = light->SpotOuterAngle.Cos();
DAngle negPitch = -light->Angles.Pitch;
float xyLen = negPitch.Cos();
spotDirX = light->Angles.Yaw.Cos() * xyLen;
spotDirY = light->Angles.Yaw.Sin() * xyLen;
spotDirZ = negPitch.Sin();
}
float *data = &ldata.arrays[i][ldata.arrays[i].Reserve(16)];
data[0] = pos.X;
data[1] = pos.Z;
data[2] = pos.Y;
@ -137,5 +156,13 @@ void gl_AddLightToList(int group, ADynamicLight * light, FDynLightData &ldata)
data[5] = g;
data[6] = b;
data[7] = shadowIndex;
data[8] = spotDirX;
data[9] = spotDirY;
data[10] = spotDirZ;
data[11] = lightType;
data[12] = spotInnerAngle;
data[13] = spotOuterAngle;
data[14] = 0.0f; // unused
data[15] = 0.0f; // unused
}

1
src/scripting/thingdef_data.cpp
View file

@ -494,6 +494,7 @@ static FFlagDef DynLightFlagDefs[] =
DEFINE_FLAG(LF, ATTENUATE, ADynamicLight, lightflags),
DEFINE_FLAG(LF, NOSHADOWMAP, ADynamicLight, lightflags),
DEFINE_FLAG(LF, DONTLIGHTACTORS, ADynamicLight, lightflags),
DEFINE_FLAG(LF, SPOT, ADynamicLight, lightflags),
};
static FFlagDef PowerSpeedFlagDefs[] =

34
wadsrc/static/shaders/glsl/main.fp
View file

@ -278,6 +278,13 @@ float pointLightAttenuation(vec4 lightpos, float lightcolorA)
}
}
float spotLightAttenuation(vec4 lightpos, vec3 spotdir, float lightCosInnerAngle, float lightCosOuterAngle)
{
vec3 lightDirection = normalize(lightpos.xyz - pixelpos.xyz);
float cosDir = dot(lightDirection, spotdir);
return smoothstep(lightCosOuterAngle, lightCosInnerAngle, cosDir);
}
//===========================================================================
//
// Calculate light
@ -348,23 +355,33 @@ vec4 getLightColor(float fogdist, float fogfactor)
//
// modulated lights
//
for(int i=lightRange.x; i<lightRange.y; i+=2)
for(int i=lightRange.x; i<lightRange.y; i+=4)
{
vec4 lightpos = lights[i];
vec4 lightcolor = lights[i+1];
vec4 lightspot1 = lights[i+2];
vec4 lightspot2 = lights[i+3];
lightcolor.rgb *= pointLightAttenuation(lightpos, lightcolor.a);
float attenuation = pointLightAttenuation(lightpos, lightcolor.a);
if (lightspot1.w == 1.0)
attenuation *= spotLightAttenuation(lightpos, lightspot1.xyz, lightspot2.x, lightspot2.y);
lightcolor.rgb *= attenuation;
dynlight.rgb += lightcolor.rgb;
}
//
// subtractive lights
//
for(int i=lightRange.y; i<lightRange.z; i+=2)
for(int i=lightRange.y; i<lightRange.z; i+=4)
{
vec4 lightpos = lights[i];
vec4 lightcolor = lights[i+1];
vec4 lightspot1 = lights[i+2];
vec4 lightspot2 = lights[i+3];
lightcolor.rgb *= pointLightAttenuation(lightpos, lightcolor.a);
float attenuation = pointLightAttenuation(lightpos, lightcolor.a);
if (lightspot1.w == 1.0)
attenuation *= spotLightAttenuation(lightpos, lightspot1.xyz, lightspot2.x, lightspot2.y);
lightcolor.rgb *= attenuation;
dynlight.rgb -= lightcolor.rgb;
}
}
@ -467,12 +484,17 @@ void main()
//
// additive lights - these can be done after the alpha test.
//
for(int i=lightRange.z; i<lightRange.w; i+=2)
for(int i=lightRange.z; i<lightRange.w; i+=4)
{
vec4 lightpos = lights[i];
vec4 lightcolor = lights[i+1];
vec4 lightspot1 = lights[i+2];
vec4 lightspot2 = lights[i+3];
lightcolor.rgb *= pointLightAttenuation(lightpos, lightcolor.a);
float attenuation = pointLightAttenuation(lightpos, lightcolor.a);
if (lightspot1.w == 1.0)
attenuation *= spotLightAttenuation(lightpos, lightspot1.xyz, lightspot2.x, lightspot2.y);
lightcolor.rgb *= attenuation;
addlight.rgb += lightcolor.rgb;
}
frag.rgb = clamp(frag.rgb + desaturate(addlight).rgb, 0.0, 1.0);

8
wadsrc/static/zscript/shared/dynlights.txt
View file

@ -1,5 +1,11 @@
class DynamicLight : Actor native
{
native double SpotInnerAngle;
native double SpotOuterAngle;
property SpotInnerAngle: SpotInnerAngle;
property SpotOuterAngle: SpotOuterAngle;
enum EArgs
{
LIGHT_RED = 0,
@ -17,7 +23,7 @@ class DynamicLight : Actor native
FlickerLight,
RandomFlickerLight,
SectorLight,
SpotLight,
DummyLight,
ColorPulseLight,
ColorFlickerLight,
RandomColorFlickerLight