Aurora.3/code/__defines/lighting.dm

#define LIGHTING_INTERVAL       2     // Frequency, in 1/10ths of a second, of the lighting process.

#define LIGHTING_HEIGHT         1 // height off the ground of light sources on the pseudo-z-axis, you should probably leave this alone
#define LIGHTING_ROUND_VALUE    1 / 200 //Value used to round lumcounts, values smaller than 1/255 don't matter (if they do, thanks sinking points), greater values will make lighting less precise, but in turn increase performance, VERY SLIGHTLY.

#define LIGHTING_ICON 'icons/effects/lighting_overlay.dmi' // icon used for lighting shading effects
#define LIGHTING_BASE_ICON_STATE "matrix"	// icon_state used for normal color-matrix based lighting overlays.
#define LIGHTING_STATION_ICON_STATE "tubedefault"	// icon_state used for lighting overlays that are just displaying standard station lighting.
#define LIGHTING_DARKNESS_ICON_STATE "black"	// icon_state used for lighting overlays with no luminosity.

#define LIGHTING_SOFT_THRESHOLD 0.001 // If the max of the lighting lumcounts of each spectrum drops below this, disable luminosity on the lighting overlays.

// If defined, a tiny random number will be added to lighting matrixes to prevent a memory leak bug in v510 and below.
// Enabling this disables lighting rounding.
#define LIGHTING_USE_MEMORY_HACK

// If I were you I'd leave this alone.
#define LIGHTING_BASE_MATRIX \
	list                     \
	(                        \
		LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, 0, \
		LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, 0, \
		LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, 0, \
		LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, LIGHTING_SOFT_THRESHOLD, 0, \
		0, 0, 0, 1           \
	)                        \

// Helpers so we can (more easily) control the colour matrices.
#define CL_MATRIX_RR 1
#define CL_MATRIX_RG 2
#define CL_MATRIX_RB 3
#define CL_MATRIX_RA 4
#define CL_MATRIX_GR 5
#define CL_MATRIX_GG 6
#define CL_MATRIX_GB 7
#define CL_MATRIX_GA 8
#define CL_MATRIX_BR 9
#define CL_MATRIX_BG 10
#define CL_MATRIX_BB 11
#define CL_MATRIX_BA 12
#define CL_MATRIX_AR 13
#define CL_MATRIX_AG 14
#define CL_MATRIX_AB 15
#define CL_MATRIX_AA 16
#define CL_MATRIX_CR 17
#define CL_MATRIX_CG 18
#define CL_MATRIX_CB 19
#define CL_MATRIX_CA 20

// This color of overlay is very common - most of the station is this color when lit fully.
// Tube lights are a bluish-white, so we can't just assume 1-1-1 is full-illumination.
#define LIGHTING_DEFAULT_TUBE_R 0.96
#define LIGHTING_DEFAULT_TUBE_G 1
#define LIGHTING_DEFAULT_TUBE_B 1

//Some defines to generalise colours used in lighting.
//Important note on colors. Colors can end up significantly different from the basic html picture, especially when saturated
#define LIGHT_COLOR_RED        "#FA8282" //Warm but extremely diluted red. rgb(250, 130, 130)
#define LIGHT_COLOR_GREEN      "#64C864" //Bright but quickly dissipating neon green. rgb(100, 200, 100)
#define LIGHT_COLOR_BLUE       "#6496FA" //Cold, diluted blue. rgb(100, 150, 250)

#define LIGHT_COLOR_CYAN       "#7DE1E1" //Diluted cyan. rgb(125, 225, 225)
#define LIGHT_COLOR_PINK       "#E17DE1" //Diluted, mid-warmth pink. rgb(225, 125, 225)
#define LIGHT_COLOR_YELLOW     "#E1E17D" //Dimmed yellow, leaning kaki. rgb(225, 225, 125)
#define LIGHT_COLOR_BROWN      "#966432" //Clear brown, mostly dim. rgb(150, 100, 50)
#define LIGHT_COLOR_ORANGE     "#FA9632" //Mostly pure orange. rgb(250, 150, 50)
#define LIGHT_COLOR_PURPLE     "#A97FAA" //Soft purple. rgb(169, 127, 170)

//These ones aren't a direct colour like the ones above, because nothing would fit
#define LIGHT_COLOR_FIRE       "#FAA019" //Warm orange color, leaning strongly towards yellow. rgb(250, 160, 25)
#define LIGHT_COLOR_FLARE      "#FA644B" //Bright, non-saturated red. Leaning slightly towards pink for visibility. rgb(250, 100, 75)
#define LIGHT_COLOR_SLIME_LAMP "#AFC84B" //Weird color, between yellow and green, very slimy. rgb(175, 200, 75)
#define LIGHT_COLOR_TUNGSTEN   "#FAE1AF" //Extremely diluted yellow, close to skin color (for some reason). rgb(250, 225, 175)
#define LIGHT_COLOR_HALOGEN    "#F0FAFA" //Barely visible cyan-ish hue, as the doctor prescribed. rgb(240, 250, 250)

//Defines for lighting status, see power/lighting.dm
#define LIGHT_OK     0
#define LIGHT_EMPTY  1
#define LIGHT_BROKEN 2
#define LIGHT_BURNED 3

// Some angle presets for directional lighting.
#define LIGHT_OMNI null
#define LIGHT_SEMI 180
#define LIGHT_WIDE 90
#define LIGHT_NARROW 45

// Night lighting controller times
// The time (in hours based on worldtime2hours()) that various actions trigger
#define MORNING_LIGHT_RESET 7       // 7am or 07:00 - lighting restores to normal in morning
#define NIGHT_LIGHT_ACTIVE 18        // 6pm or 18:00 - night lighting mode activates

// Some brightness/range defines for objects.
#define L_WALLMOUNT_POWER 0.4
#define L_WALLMOUNT_RANGE 2
#define L_WALLMOUNT_HI_POWER 1	// For red/delta alert on fire alarms.
#define L_WALLMOUNT_HI_RANGE 4
// This controls by how much console sprites are dimmed before being overlayed.
#define HOLOSCREEN_ADDITION_FACTOR 1
#define HOLOSCREEN_MULTIPLICATION_FACTOR 0.5
#define HOLOSCREEN_ADDITION_OPACITY 0.8
#define HOLOSCREEN_MULTIPLICATION_OPACITY 1

// Just so we can avoid unneeded proc calls when profiling is disabled.
#define L_PROF(O,T) if (lighting_profiling) {lprof_write(O,T);}

#if !defined(LIGHTING_USE_MEMORY_HACK) && DM_VERSION < 511
#warn You appear to be using a pre-511 version of BYOND, but have the memory leak hack disabled. You may encounter server crashes due to a memory leak in BYOND 510 and below's handling of color matrixes.
#endif