diff --git a/README.md b/README.md index 537a1e7..641bfba 100644 --- a/README.md +++ b/README.md @@ -85,32 +85,35 @@ Some major changes were done to make the mod easier to maintain: * Improve block textures * Make a trm for treasurer (separate mod) * Make variables based on real hardness values (but allow all birthstones to break the same types of blocks, for playability): - #of uses, dig times, and fleshy damage group value now all based on real-life hardness values - (see xlsx spreadsheet for details and sources and extrapolation formulas) - Formulas were determined using Excel: - * Diamond theoretical Brinell explanation: Excel says the curve on 18carat.co.uk, if a power curve, is Brinell = 2.9592*(ans^2.2856) where ans is Moh value - * Other extrapolated Brinell values (rounded to nearest whole number) explanation: Excel says power function for predicting from density is Brinell = 9.0954*(ans^2.9757) where ans is metric density value - * Extrapolated Moh values explanation: Excel says power curve from 18carat.co.uk materials is: Moh = 0.6514*(ans^0.4269) where ans is Brinell value - (to use Speedcrunch to get values not listed, enter the number without any equation, then paste the formulas above exactly to use that "answer" as a variable--see spreadsheet's "Hardness - Extrapolated" sheet for spreadsheet version of formulas) - Minerals of note not in birthstones (for reference only) with density values from website above: - MORE but with hardness values available from 18carat.co.uk link above: - Name,Density,Moh,Brinell - Apatite,3.16-3.23,5,137 - Calcite,2.69-2.71,3,53 + * #of uses, dig times, and fleshy damage group value now all based on real-life hardness values (see xlsx spreadsheet for details and sources and extrapolation formulas) + * Formulas were determined using Excel: + * Diamond theoretical Brinell explanation: Excel says the curve on 18carat.co.uk, if a power curve, is Brinell = 2.9592*(ans^2.2856) where ans is Moh value + * Other extrapolated Brinell values (rounded to nearest whole number) explanation: Excel says power function for predicting from density is Brinell = 9.0954*(ans^2.9757) where ans is metric density value + * Extrapolated Moh values explanation: Excel says power curve from 18carat.co.uk materials is: Moh = 0.6514*(ans^0.4269) where ans is Brinell value +(to use Speedcrunch to get values not listed, enter the number without any equation, then paste the formulas above exactly to use that "answer" as a variable--see spreadsheet's "Hardness - Extrapolated" sheet for spreadsheet version of formulas) + + +## Minerals of note not in birthstones (for reference only) with density values from website above: +MORE but with hardness values available from 18carat.co.uk link above: +* Name,Density,Moh,Brinell +* Apatite,3.16-3.23,5,137 +* Calcite,2.69-2.71,3,53 -## Minetest 2017 API notes (see http://wiki.minetest.net/Groups and https://github.com/minetest/minetest/blob/142e2d3b74ad886eed83b0fc9d6cfea100dae10a/doc/lua_api.txt#L736 ) +## Minetest 2017 API notes +(see http://wiki.minetest.net/Groups and https://github.com/minetest/minetest/blob/142e2d3b74ad886eed83b0fc9d6cfea100dae10a/doc/lua_api.txt#L736 ) ### groupcaps (in tool_capabilities dict in register_tool 2nd param dict): a dictionary of groupcap dictionaries such as: - * choppy: chops wood - * snappy: leaves and other thin materials -- possible with sword, but wears sword out quickly - * fleshy: damage mobs/players - * crumbly: shovels etc - * cracky: picks etc - (and more unrelated to this mod) +* choppy: chops wood +* snappy: leaves and other thin materials -- possible with sword, but wears sword out quickly +* fleshy: damage mobs/players +* crumbly: shovels etc +* cracky: picks etc +(and more unrelated to this mod) + ### register_node: - http://dev.minetest.net/minetest.register_node - http://dev.minetest.net/Groups - * groups.cracky: like other dig types, the value is normally 1 to 3, and 1 requires the best pick to mine. - * groups.level: prevents being mined by lower level stuff +http://dev.minetest.net/minetest.register_node +http://dev.minetest.net/Groups +* groups.cracky: like other dig types, the value is normally 1 to 3, and 1 requires the best pick to mine. +* groups.level: prevents being mined by lower level stuff ## Authors and License @@ -132,6 +135,7 @@ Textures from original (2012) version (1.2-git): Textures for new tools (2016): see "expertmm_authored_texture_list" in etc folder * Textures based on textures from minetest_game at https://github.com/minetest/minetest_game/tree/master/mods/default : + (source work is included on layers in Gimp XCF project files in etc folder) Swords CC BY-SA 3.0: based on default_tool_steelsword.png by BlockMen (CC BY-SA 3.0) Shovels CC BY-SA 3.0: based on default_tool_steelshovel.png by celeron55, Perttu Ahola (CC BY-SA 3.0)