Easel and Canvas (#12142)

code/game/objects/items/canvas.dm

@@ -0,0 +1,139 @@
+/**
+ * Interface for using DrawBox() to draw 1 pixel on a coordinate.
+ * Returns the same icon specifed in the argument, but with the pixel drawn.
+ */
+/proc/DrawPixel(icon/I, color, drawX, drawY)
+	if(!I)
+		return FALSE
+
+	var/Iwidth = I.Width()
+	var/Iheight = I.Height()
+
+	if(drawX > Iwidth || drawX <= 0)
+		return FALSE
+	if(drawY > Iheight || drawY <= 0)
+		return FALSE
+
+	I.DrawBox(color, drawX, drawY)
+	return I
+
+/** 
+ * Interface for easy drawing of one pixel on an atom.
+ */
+/atom/proc/DrawPixelOn(color, drawX, drawY)
+	var/icon/I = new(icon)
+	var/icon/J = DrawPixel(I, color, drawX, drawY)
+	if(J) // Only set the icon if it succeeded, the icon without the pixel is 1000x better than a black square.
+		icon = J
+		return J
+	return FALSE
+
+/obj/item/canvas
+	name = "11px by 11px canvas"
+	desc = "Draw out your soul on this canvas! Only crayons can draw on it."
+	icon = 'icons/obj/canvas.dmi'
+	icon_state = "11x11"
+
+/obj/item/canvas/nineteen_nineteen
+	name = "19px by 19px canvas"
+	icon_state = "19x19"
+
+/obj/item/canvas/twentythree_nineteen
+	name = "23px by 19px canvas"
+	icon_state = "23x19"
+
+/obj/item/canvas/twentythree_twentythree
+	name = "23px by 23px canvas"
+	icon_state = "23x23"
+
+/** 
+ * One pixel increments.
+ */
+/obj/item/canvas/attackby(obj/item/I, mob/user, params)
+	if(I.iswrench())
+		playsound(src.loc, I.usesound, 100, 1)
+		to_chat(user, SPAN_NOTICE("You begin to [anchored ? "loosen" : "tighten"] \the [src]..."))
+		if(do_after(user, 40 / I.toolspeed))
+			user.visible_message("<b>[user]</b> [anchored ? "loosens" : "tightens"] \the [src].", SPAN_NOTICE("You [anchored ? "loosen" : "tighten"] \the [src]."), SPAN_NOTICE("You hear a ratchet."))
+			anchored = !anchored
+		return
+	
+	// Click info.
+	var/list/click_params = params2list(params)
+	var/pixX = text2num(click_params["icon-x"])
+	var/pixY = text2num(click_params["icon-y"])
+
+	// Should always be true, otherwise you didn't click the object, but let's check because SS13~
+	if(!click_params || !click_params["icon-x"] || !click_params["icon-y"])
+		return
+
+	// Cleaning one pixel with a soap or rag.
+	if(istype(I, /obj/item/soap) || istype(I, /obj/item/reagent_containers/glass/rag))
+		// Pixel info created only when needed.
+		var/icon/masterpiece = icon(icon,icon_state)
+		var/thePix = masterpiece.GetPixel(pixX,pixY)
+		var/icon/Ico = clean_canvas()
+		if(!Ico)
+			qdel(masterpiece)
+			return
+
+		var/theOriginalPix = Ico.GetPixel(pixX,pixY)
+		if(thePix != theOriginalPix) // Clour changed.
+			DrawPixelOn(theOriginalPix,pixX,pixY)
+		qdel(masterpiece)
+
+	// Drawing one pixel with a crayon.
+	else if(istype(I, /obj/item/pen/crayon))
+		var/obj/item/pen/crayon/C = I
+		DrawPixelOn(C.shadeColour, pixX, pixY)
+	else
+		return ..()
+
+/** 
+ * Clean the whole canvas.
+ */
+/obj/item/canvas/attack_self(mob/user)
+	if(!user)
+		return
+	var/icon/blank = clean_canvas()
+	if(blank)
+		// It's basically a giant etch-a-sketch.
+		icon = blank
+		user.visible_message("<b>[user]</b> cleans the canvas.", SPAN_NOTICE("You clean the canvas."))
+
+/obj/item/canvas/afterattack(turf/A, mob/user, flag, params)
+	if(!istype(A))
+		return
+
+	if(!iswall(A))
+		return
+
+	var/turf/target_turf = A
+	var/turf/source_turf = get_turf(user)
+
+	var/dir_offset = 0
+	if(target_turf != source_turf)
+		dir_offset = get_dir(source_turf, target_turf)
+		if(!(dir_offset in global.cardinal))
+			to_chat(user, SPAN_WARNING("You cannot reach that from here."))
+			return
+
+	if(user.unEquip(src, source_turf))
+		if(params)
+			var/list/mouse_control = params2list(params)
+			if(mouse_control["icon-x"])
+				pixel_x = text2num(mouse_control["icon-x"]) - 16
+				if(dir_offset & EAST)
+					pixel_x += 32
+				else if(dir_offset & WEST)
+					pixel_x -= 32
+			if(mouse_control["icon-y"])
+				pixel_y = text2num(mouse_control["icon-y"]) - 16
+				if(dir_offset & NORTH)
+					pixel_y += 32
+				else if(dir_offset & SOUTH)
+					pixel_y -= 32
+
+/obj/item/canvas/proc/clean_canvas()
+	var/icon/I = icon(initial(icon), initial(icon_state))
+	. = I

code/game/objects/items/easel.dm

@@ -0,0 +1,47 @@
+/obj/structure/easel
+	name = "easel"
+	desc = "Only for the finest of art!"
+	icon = 'icons/obj/canvas.dmi'
+	icon_state = "easel"
+	density = TRUE
+	build_amt = 5
+	var/obj/item/canvas/painting = null
+
+/obj/structure/easel/Initialize(ml, _mat, _reinf_mat)
+	. = ..()
+	moved_event.register(src, src, /obj/structure/easel/proc/move_painting)
+
+/obj/structure/easel/Destroy()
+	painting = null
+	moved_event.unregister(src, src, /obj/structure/easel/proc/move_painting)
+	return ..()
+
+/*
+ * Adding canvases.
+ */
+/obj/structure/easel/attackby(obj/item/I, mob/user, params)
+	if(istype(I, /obj/item/canvas))
+		var/obj/item/canvas/C = I
+		if(user.unEquip(C))
+			painting = C
+			C.forceMove(get_turf(src))
+			C.layer = layer + 0.1
+			C.pixel_x = 0
+			C.pixel_y = 0
+			C.pixel_z = 0
+			user.visible_message("<b>[user]</b> puts \the [C] on \the [src].", SPAN_NOTICE("You place \the [C] on \the [src]."))
+		return
+	if(I.iswrench())
+		to_chat(user, SPAN_NOTICE("You dismantle \the [src]."))
+		dismantle()
+		return
+	return ..()
+
+/*
+ * Stick to the easel like glue.
+ */
+/obj/structure/easel/proc/move_painting()
+	if(painting && Adjacent(painting)) // Only move if it's near us.
+		painting.forceMove(get_turf(src))
+	else
+		painting = null