Some partially-working description code before a refactor to move the…

… selected-item logic up into the cursor.

data/object_prototypes/base/player_controlled.cfg

@@ -214,7 +214,7 @@ properties: {
 		#-- item storage --#
 	item_list_complete: { type: "[class inventory_item]", init: "map([map]<- get_document('data/items.cfg'), construct('inventory_item', value))" },
 
-	active_item_name: { type: "string", default: 'buyable_tongue_extension' },
+	active_item_name: { type: "string", init: "'tongue_extension'" },
 
 
 

data/objects/gui-components/inventory-screen/inventory_pane.cfg

@@ -18,10 +18,10 @@ properties: {
 
 #-------------------------- core behavior --------------------------#
 	initialize_parts: "commands :: [
-		map(map(frogatto.items_carried, value.id), 'item_name', 
+		map(map(frogatto.items_carried, value.id), 'item_id', 
 			add_object(object('inventory_pane.item_anchor', 0, 0, 1, {
-				item_name: item_name,
-				count: frogatto.number_of_item(item_name),
+				item_id: item_id,
+				count: frogatto.number_of_item(item_id),
 				parent: me,
 				relative_x: -182+74*positions[index][0],
 				relative_y: -155+72*positions[index][1],
@@ -34,6 +34,12 @@ properties: {
 			set(text_name_display.relative_y, 135),
 		],
 
+		[
+			add_object(text_description_display),
+			set(text_description_display.relative_x, -220),
+			set(text_description_display.relative_y, 195),
+		],
+
 		[
 			add_object(selector_cursor),
 			set(selector_cursor.relative_x, -80),
@@ -53,6 +59,19 @@ properties: {
 			align: 'center',
 		})",
 	},
+
+	text_description_display: {
+		type: "obj text_controller",
+		init: "object('text_controller', 0,0,1, {
+			parent: me,
+			use_absolute_screen_coordinates: true,
+			zorder: lib.zorder.get('overlaid_gui_dialog_gui_element'),
+			txt: ~description~,
+			font: 'door_label',
+			align: 'left',
+		})",
+	},
+
 
 	selector_cursor: {
 		type: "obj inventory_pane.selector_cursor",
@@ -112,7 +131,7 @@ object_type: [
 							4, value.x < x2 and abs(decimal(x2-value.x)/decimal(y2-value.y)) >= 0.5, //The initial </> comparison is a workaround a infinite math. the abs() is returning the absolute of -inf8, which is one more than inf7, so it wraps back around to -inf8. However, -1/0 is inverting inf7, coming out with -inf7, which is one more than -inf8 afaict.
 							6, value.x > x2 and abs(decimal(x2-value.x)/decimal(y2-value.y)) >= 0.5,
 							8, value.y < y2 and abs(decimal(x2-value.x)/decimal(y2-value.y)) <= 2.0,
-						) and if(selected_object, value.item_name != selected_object.item_name, true)),
+						) and if(selected_object, value.item_id != selected_object.item_id, true)),
 					-lib.math.length(
 						zip(scale, value.mid_xy, a*b), 
 						[(midpoint_x - cursor_offset[0]) * scale[0], (midpoint_y - cursor_offset[1]) * scale[1]]
@@ -171,10 +190,10 @@ object_type: [
 		zorder: "@include data/zorder.cfg:overlaid_gui_dialog_gui_element_underlay",
 		properties: {
 			count: { type: "int" },
-			item_name: { type: "string", dynamic_initialization: true },
+			item_id: { type: "string", dynamic_initialization: true },
 			icon: { type: "obj inventory_pane.item_icon", dynamic_initialization: true },
 			
-			is_active: "bool :: level.player.active_item_name = item_name",
+			is_active: "bool :: level.player.active_item_name = item_id",
 
 			is_selected: "bool :: parent.selector_cursor.selected_object = me
 								asserting parent is obj inventory_pane asserting parent",
@@ -184,7 +203,7 @@ object_type: [
 
 				//TODO:  make this safe wrt complaining if the item is an invalid type.
 			activate: "commands :: [
-				set(level.player.active_item_name, item_name),
+				set(level.player.active_item_name, item_id),
 			]",
 			
 
@@ -212,20 +231,23 @@ object_type: [
 			add_object(new_icon),
 			set(icon, new_icon),
 		] where new_icon = object('inventory_pane.item_icon', 0, 0, 1, {
-			animation: item_name,
+			animation: item_id,
 			parent: me,
 			relative_x: 0,
 			relative_y: -1,
 		})",
 
-		on_mouse_move: "parent.text_name_display.set_text(item_name)
-			asserting parent is obj inventory_pane asserting parent asserting item_name is string
-			where item_name = {
-				acquirable_attractor: object('buyable_acquirable_attractor'),
-				greater_mana_talisman: object('buyable_greater_mana_talisman'),
-				lesser_mana_talisman: object('buyable_lesser_mana_talisman'),
-				tongue_extension: object('buyable_tongue_extension'),
-			}[item_name].short_item_name",
+		
+		on_mouse_move: "[
+				parent.text_name_display.set_text(item_name),
+				parent.text_description_display.set_text(parent.wrapped(item_desc, 52)),
+			]
+			asserting parent is obj inventory_pane asserting parent
+			where item_name = item_info.name
+			where item_desc = item_info.description
+
+			where item_info = level.player.active_item",
+		
 
 		on_process: "[
 				if( is_active,
@@ -235,13 +257,13 @@ object_type: [
 				if(	is_selected,
 					[
 						set(icon.relative_y, 7*sin(cycle*4) - 10),
-						if(icon.animation != item_name + '_active',
-							set(icon.animation, item_name + '_active'),
+						if(icon.animation != item_id + '_active',
+							set(icon.animation, item_id + '_active'),
 						)
 					],
 					[
 						set(icon.relative_y, -1),
-						set(icon.animation, item_name),
+						set(icon.animation, item_id),
 					]
 				),
 			]",