(show, show_item): New `show item'. From Ron Koenderink; changes to

info files heavily hacked by me.

info/Commands/show.t

@@ -1,22 +1,26 @@
 .TH Command SHOW
-.NA show "Stats for building ships, planes, units, or bridges"
+.NA show "Characteristics of bridges, items, ships, planes, land units or sectors"
 .LV Basic
-.SY "show <sector|bridge|land|plane|ship|nuke> [build|stats|capabilities] [tech]"
+.SY "show <bridge|item|land|nuke|plane|sector|ship|tower> [b|s|c] [tech]"
-The show command either gives information on the indicated unit types.
+The show command describes the characteristics of bridge spans, bridge
-This information is gleaned directly from the current Empire
+towers, items, planes, ships, land units, nukes, and sectors for a
-data structures so is always up to date.
+given technology level.
-The format of each output is more fully described
-in the relevant info pages
-(Ship-types, Nuke-types etc.).
 .s1
-Describe currently knows about bridges, planes, ships, land units, nukes,
+The format of each output is more fully described in separate info
-and sectors at a given tech (up to 1.25 times your current tech.)
+pages (Ship-types, Nuke-types, etc.).
+.s1
+Except for bridge (bridge span), tower (bridge tower) and item, a
+further parameter is required to indicate whether you wish information
+about building (b), statistics (s) or capabilities (c) of the selected
+type.
+.s1
+The tech parameter defaults to 1.25 times your current technology
+level.
+.s1
+You can only get information on ships, planes, land units and
+nukes that you are `almost' capable of building (within 1.25 times of
+your current technology level).
 .s1
-To get information on a particular topic type:
-.EX show unit-type
-Unless the unit is a bridge, a further parameter is needed to indicate
-whether you wish information about construction of units, the statistics
-of units or the capabilities & abilities of units.
 So, for example
 .EX show nuke capabilities
 will give something like
@@ -29,13 +33,6 @@ will give something like
 500kt fusion     5 170   6  295 $9000
 1mt fusion       6 190   8  310 $12000
 3mt fusion       7 210  10  325 $19000
-.s1
-Note that you can only get information on items that you are actually
-technologically capable of building (within 1.25 times of your current
-tech.)
 .FI
 .s1
-To learn about the various build costs, stats, capabilities, and their 
+.SA "Ship-types, Nuke-types, Plane-types, Unit-types, Sector-types, Item-types, Ships, Planes, LandUnits, Products"
-meanings, see the info files below.
-.s1
-.SA "Ship-types, Nuke-types, Plane-types, Unit-types, Sector-types, Ships, Planes, LandUnits"

info/Concepts/Item-types.t

@@ -0,0 +1,59 @@
+.TH Concept "Items"
+.NA Item-types "Characteristics of Items"
+.LV Basic
+.s1
+Items are the products produced in Empire.  Items are also known as
+Commodities.
+.s1
+The show command displays the detailed characteristics of items.
+.s1
+For example
+.EX show item
+.NF
+Printing for tech level '344'
+item   value sell lbs   packing   item
+mnemo                 rg wh ur bk name
+     c     1   no   1 10 10 10 10 civilians
+     m     0   no   1  1  1  1  1 military
+     s     5  yes   1  1 10  1  1 shells
+     g    60  yes  10  1 10  1  1 guns
+     p     4  yes   1  1 10  1  1 petrol
+     i     2  yes   1  1 10  1  1 iron ore
+     d    20  yes   5  1 10  1  1 dust (gold)
+     b   280  yes  50  1  5  1  4 bars of gold
+     f     0  yes   1  1 10  1  1 food
+     o     8  yes   1  1 10  1  1 oil
+     l     2  yes   1  1 10  1  1 light products
+     h     4  yes   1  1 10  1  1 heavy products
+     u     1  yes   2  1  2  1  1 uncompensated workers
+     r   150  yes   8  1 10  1  1 radioactive materials
+.FI
+.s1
+The meaning of the headings are:
+.in \w'packing wh\0\0'u
+.L item mnemo
+A one-letter mnemonic abbreviation of the item name.  Commands let you
+use this to select the item.
+.L value
+The value if the item is mortgaged.
+.L sell
+Whether you can sell the item on the market.
+.L lbs
+The weight of the item, which determines how much mobility it takes to
+move it.
+.L packing rg
+The packing bonus the item receives in regular sectors.
+.L packing wh
+The packing bonus the item receives in warehouse sectors.
+.L packing ur
+The packing bonus the item receives in urban sectors.
+.L packing bk
+The packing bonus the item receives in bank sectors.
+.L item name
+The full name of the item.
+.in
+.s1
+To find out which sectors are in what packing groups, try the "show
+sector s" command.
+.s1
+.SA "Commodities, Products, show, Sector-types, Production"

src/lib/commands/show.c

@@ -54,11 +54,10 @@ show(void)
     extern float drnuke_const;
     int rlev;
 
-    if (!
+    if (!(p = getstarg(player->argp[1],
-	(p =
+		       "Describe what (plane, nuke, bridge, ship, sect, land unit, tower, item)? ",
-	 getstarg(player->argp[1],
+		       buf))
-		  "Describe what (plane, nuke, bridge, ship, sect, land unit, tower)? ",
+	|| !*p)
-		  buf)) || !*p)
 	return RET_SYN;
 
     natp = getnatp(player->cnum);
@@ -83,6 +82,9 @@ show(void)
     case 't':
 	show_tower(99999);
 	return RET_OK;
+    case 'i':
+	show_item(99999);
+	return RET_OK;
     case 'n':
 	if (opt_DRNUKE)
 	    tlev = ((rlev / drnuke_const) > tlev ? tlev :
@@ -115,9 +117,7 @@ show(void)
     default:
 	return RET_SYN;
     }
-    if (!
+    if (!(p = getstarg(player->argp[2],
-	(p =
-	 getstarg(player->argp[2],
 		       "Build, stats, or capability data (b,s,c)? ", buf))
 	|| !*p)
 	return RET_SYN;

src/lib/subs/show.c

@@ -264,6 +264,23 @@ show_tower(int tlev)
        1 + (buil_tower_bh * 40 / 100), buil_tower_bc);
 }
 
+void
+show_item(int tlev)
+{
+    register struct ichrstr *ip;
+    register int n;
+
+    pr("item   value sell lbs   packing   item\n");
+    pr("mnemo                 rg wh ur bk name\n");
+
+    for (n = 1; n <= itm_maxno; n++) {
+	ip = &ichr[n];
+	pr("     %c %5d %4s %3d %2d %2d %2d %2d %s\n",
+	   ip->i_mnem, ip->i_value, (ip->i_sell == 1) ? "yes" : "no",
+	   ip->i_lbs, ip->i_pkg[NPKG], ip->i_pkg[WPKG], ip->i_pkg[UPKG],
+	   ip->i_pkg[BPKG], ip->i_name);
+    }
+}
 void
 show_nuke_stats(int tlev)
 {