#define FOR_DVIEW(type, range, center, invis_flags) \
	dview_mob.loc = center; \
	dview_mob.see_invisible = invis_flags; \
	for(type in view(range, dview_mob))

#define END_FOR_DVIEW dview_mob.loc = null

#define LIGHTING_FALLOFF 1 // type of falloff to use for lighting; 1 for circular, 2 for square
#define LIGHTING_LAMBERTIAN 0 // use lambertian shading for light sources
#define LIGHTING_HEIGHT 1 // height off the ground of light sources on the pseudo-z-axis, you should probably leave this alone

#define LIGHTING_LAYER 10 // drawing layer for lighting overlays
#define LIGHTING_ICON 'icons/effects/lighting_overlay.dmi' // icon used for lighting shading effects
#define LIGHTING_ICON_STATE_DARK "soft_dark" // Change between "soft_dark" and "dark" to swap soft darkvision

#define LIGHTING_ROUND_VALUE (1 / 64) // Value used to round lumcounts, values smaller than 1/69 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_SOFT_THRESHOLD 0.05 // If the max of the lighting lumcounts of each spectrum drops below this, disable luminosity on the lighting overlays.  This also should be the transparancy of the "soft_dark" icon state.

// 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