Inventory: drop picked item on close

source/game/gui/screen_inventory.c

@@ -104,7 +104,7 @@ static void screen_inventory_update(struct screen* s, float dt) {
 	struct inventory* inv
 		= windowc_get_latest(gstate.windows[WINDOWC_INVENTORY]);
 
-	if(input_pressed(IB_INVENTORY) && !inventory_get_picked_item(inv, NULL)) {
+	if(input_pressed(IB_INVENTORY)) {
 		svin_rpc_send(&(struct server_rpc) {
 			.type = SRPC_WINDOW_CLOSE,
 			.payload.window_close.window = WINDOWC_INVENTORY,
@@ -289,8 +289,7 @@ static void screen_inventory_render2D(struct screen* s, int width, int height) {
 			+= gutil_control_icon(icon_offset, IB_GUI_CLICK_ALT, "Split stack");
 	}
 
-	if(!inventory_get_picked_item(inv, NULL))
-		icon_offset += gutil_control_icon(icon_offset, IB_INVENTORY, "Leave");
+	icon_offset += gutil_control_icon(icon_offset, IB_INVENTORY, "Leave");
 
 	struct item_data item;
 	if(inventory_get_picked_item(inv, &item)) {

source/item/inventory.c

@@ -184,6 +184,18 @@ bool inventory_get_slot(struct inventory* inv, size_t slot,
 	return inv->items[slot].id > 0;
 }
 
+void inventory_clear_picked_item(struct inventory* inv) {
+	assert(inv);
+	inv->picked_item.id = 0;
+	inv->picked_item.durability = 0;
+	inv->picked_item.count = 0;
+}
+
+void inventory_set_picked_item(struct inventory* inv, struct item_data item) {
+	assert(inv);
+	inv->picked_item = item;
+}
+
 bool inventory_get_picked_item(struct inventory* inv, struct item_data* item) {
 	assert(inv);
 

source/item/inventory.h

@@ -38,6 +38,8 @@
 #define INVENTORY_SLOT_MAIN 9
 #define INVENTORY_SLOT_HOTBAR 36
 
+#define SPECIAL_SLOT_PICKED_ITEM 255
+
 struct inventory {
 	struct item_data picked_item;
 	struct item_data* items;
@@ -70,6 +72,8 @@ void inventory_set_slot(struct inventory* inv, size_t slot,
 void inventory_clear_slot(struct inventory* inv, size_t slot);
 bool inventory_get_slot(struct inventory* inv, size_t slot,
 						struct item_data* item);
+void inventory_clear_picked_item(struct inventory* inv);
+void inventory_set_picked_item(struct inventory* inv, struct item_data item);
 bool inventory_get_picked_item(struct inventory* inv, struct item_data* item);
 bool inventory_action(struct inventory* inv, size_t slot, bool right);
 

source/item/window_container.c

@@ -137,7 +137,12 @@ void windowc_slot_change(struct window_container* wc, size_t slot,
 	ilist_inventory_it(it, wc->invs);
 
 	struct inventory* prev = ilist_inventory_ref(it);
-	inventory_set_slot(prev, slot, item);
+
+	if(slot == SPECIAL_SLOT_PICKED_ITEM) {
+		inventory_set_picked_item(prev, item);
+	} else {
+		inventory_set_slot(prev, slot, item);
+	}
 
 	ilist_inventory_next(it);
 

source/network/server_local.c

@@ -134,6 +134,22 @@ static void server_local_process(struct server_rpc* call, void* user) {
 							= s->player.inventory.items[k],
 						});
 				}
+
+				struct item_data picked_item;
+				if(inventory_get_picked_item(&s->player.inventory,
+											 &picked_item)) {
+					inventory_clear_picked_item(&s->player.inventory);
+					spawn_item((vec3) {s->player.x, s->player.y, s->player.z},
+							   &picked_item, true, s);
+
+					clin_rpc_send(&(struct client_rpc) {
+						.type = CRPC_INVENTORY_SLOT,
+						.payload.inventory_slot.window = WINDOWC_INVENTORY,
+						.payload.inventory_slot.slot = NETWORK_SLOT_PICKED_ITEM,
+						.payload.inventory_slot.item
+						= s->player.inventory.picked_item,
+					});
+				}
 			}
 			break;
 		case SRPC_BLOCK_DIG: