bugFreeciv - Bugs: bug #22296, civ1 rivers should have trade...

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bug #22296: civ1 rivers should have trade bonus?

Submitted by:  Jacob Nevins <jtn>
Submitted on:  Wed Jul 9 02:10:47 2014  
Category: rulesetsSeverity: 3 - Normal
Priority: 5 - NormalStatus: None
Assigned to: NoneOpen/Closed: Open
Release: Operating System: Any
Planned Release: Contains string changes: None

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Wed Jul 9 09:05:46 2014, comment #3:

> 2.4 has "river_move_mode=0", "river_defense_bonus=0",
> "river_trade_incr=0"

Oops, yes, as does 2.2 (to pick a random old branch). So this isn't a regression as I'd assumed for some reason.

Jacob Nevins <jtn>
Project Administrator
Wed Jul 9 06:40:52 2014, comment #2:

Support for rivers as separate terrain type was dropped long tile ago, but there was some things not cleaned out until 2.5 (supplied tileset having unused entries related to this)

I remember wondering why rivers provide no benefit at all in our civ1 ruleset when I converted it to gen-roads in 2.5. 2.4 has "river_move_mode=0", "river_defense_bonus=0", "river_trade_incr=0"

Marko Lindqvist <cazfi>
Project Administrator
Wed Jul 9 02:58:19 2014, comment #1:

That manual seems to imply rivers are a separate terrain type, rather than being a special resource. Note the commentary about food production and comparison to grassland. Also see http://www.civfanatics.com/civ1/refcharts/civ1terchart.htm (terrain manual with "River" given first class treatment) and http://forums.civfanatics.com/showpost.php?p=3026877&postcount=6 (screenshot from map editor, again with River being treated as a terrain).

Given that rivers appear contiguous from http://www.civfanatics.com/images/civ1/earthmap.gif (and I can't find any other civ1 maps), having rivers as terrain rather than as paths would require some generator modifications (or luascript to repace all the tiles with rivers with "River" terrain, and remove the rivers).

In other civ1 oddities, it seems that roads/rail should be buildable asea (#7 from http://www.civfanatics.com/civ1/faq/civfaq5.php), providing trade/production bonuses, but not movement nativity.

Emmet Hikory <persia>
Project Member
Wed Jul 9 02:10:47 2014, original submission:

Currently, rivers in the civ1 ruleset have no trade bonus.

The manual makes a big thing of the trade benefits of rivers, so presumably they should have some. Haven't checked the exact parameters though.

Jacob Nevins <jtn>
Project Administrator


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Carbon-Copy List
  • -unavailable- added by cazfi (Posted a comment)
  • -unavailable- added by persia (Posted a comment)
  • -unavailable- added by jtn (Submitted the item)

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed Jul 9 09:05:46 2014jtnPlanned Release2.5.0, 2.6.0=>
      Summaryciv1 rivers lost their trade bonus?=>civ1 rivers should have trade bonus?
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