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Code Issues 156 Wiki Activity

Add screen-space contact shadows for the sun, lamps and headlights

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This commit is contained in:
Hirek
2026-10-17 03:11:47 +02:00
parent c4da5c9867
commit 27e5c07837
8 changed files with 268 additions and 25 deletions
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15
utilities/Globals.cpp
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@@ -1655,6 +1655,18 @@ global_settings::ConfigParse_gfx_sky( cParser &Parser, std::string_view const To
Parser >> gfx_lights_shadows_headlights;
gfx_lights_shadows_headlights = std::clamp( gfx_lights_shadows_headlights, 0, 4 ); }
else if( Token == "gfx.lights.shadows.headlights.range" ) { readvalue( gfx_lights_shadows_headlights_range, 10.f, 1000.f ); }
else if( Token == "gfx.contactshadows" ) {
// no/low/medium/high, or the number of the level
Parser.getTokens( 1 );
std::string level;
Parser >> level;
gfx_contactshadows =
( level == "low" || level == "1" ) ? 1 :
( level == "medium" || level == "yes" || level == "true" || level == "2" ) ? 2 :
( level == "high" || level == "3" ) ? 3 :
0; }
else if( Token == "gfx.contactshadows.length" ) { readvalue( gfx_contactshadows_length, 0.05f, 5.f ); }
else if( Token == "gfx.contactshadows.range" ) { readvalue( gfx_contactshadows_range, 1.f, 1000.f ); }
else if( Token == "gfx.fog" ) {
// volumetric (yes) or analytic (no, old): the same weather either way
Parser.getTokens( 1 );
@@ -1978,6 +1990,9 @@ global_settings::export_as_text( std::ostream &Output ) const {
export_as_text( Output, "gfx.lights.shadows.vehicles.range", gfx_lights_shadows_vehicles_range );
export_as_text( Output, "gfx.lights.shadows.headlights", gfx_lights_shadows_headlights );
export_as_text( Output, "gfx.lights.shadows.headlights.range", gfx_lights_shadows_headlights_range );
export_as_text( Output, "gfx.contactshadows", std::string{ gfx_contactshadows == 3 ? "high" : gfx_contactshadows == 2 ? "medium" : gfx_contactshadows == 1 ? "low" : "no" } );
export_as_text( Output, "gfx.contactshadows.length", gfx_contactshadows_length );
export_as_text( Output, "gfx.contactshadows.range", gfx_contactshadows_range );
export_as_text( Output, "gfx.fog", std::string{ gfx_fog == 1 ? "volumetric" : "analytic" } );
export_as_text( Output, "gfx.fog.quality", std::string{ gfx_fog_quality == 1 ? "low" : gfx_fog_quality == 3 ? "high" : gfx_fog_quality == 4 ? "ultra" : "medium" } );
export_as_text( Output, "gfx.fog.range", gfx_fog_range );

6
utilities/Globals.h
View File

@@ -370,6 +370,12 @@ struct global_settings {
// cast them, metres
int gfx_lights_shadows_headlights { 2 };
float gfx_lights_shadows_headlights_range { 250.f };
// (opengl 4.6) contact shadows: short rays through the depth of the scene drawn before its colour (which they turn on, see
// gfx_depthprepass_scene) towards the sun and the nearest lamps. 0 none, 1 low (the sun), 2 medium (and 2 lamps), 3 high
// (and 4 lamps, more steps); the length of the rays and the distance from the camera within which they are traced, metres
int gfx_contactshadows { 0 };
float gfx_contactshadows_length { 0.5f };
float gfx_contactshadows_range { 50.f };
// weather of the opengl 4.6 renderer (debug window "Weather"); the weather itself comes from the scenery, see
// environment/weather.h. fog: 1 volumetric (a volume over the view with the shafts of the sun, the shadows of the clouds and
// the light of lamps and headlights, worked out along the ray past it), 0 analytic (the same fog along the ray only, the way