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Replacement for Minimal Development Test (PR) (#9450)

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Wuzzy2 committed May 24, 2020
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License information for Developer Test
--------------------------------------

The same license as for Minetest applies.
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# Minimal development test

This is a basic testing environment that contains a bunch of things to test the engine, but it could also be used as a minimal testbed for testing out mods.

## Features

* Basic nodes for mapgen
* Basic, minimal map generator
* Lots of example nodes for testing drawtypes, param2, light level, and many other node properties
* Example entities
* Other example items
* Formspec test (via `/test_formspec` command)
* Automated unit tests (disabled by default)
* Tools for manipulating nodes and entities, like the "Param2 Tool"

## Getting started

Basically, just create a world and start. A few important things to note:

* Items are gotten from the “Chest of Everything” (`chest_of_everything:chest`)
* When you lost your initial items, type in `/stuff` command to get them back
* By default, Creative Mode activates infinite node placement. This behavior can be changed with the `devtest_infplace` setting
* Use the `/infplace` command to toggle infinite node placement in-game
* Use the Param2 Tool to change the param2 of nodes; it's useful to experiment with the various drawtype test nodes
* Check out the game settings and server commands for additional tests and features
* Creative Mode does nothing (apart from default engine behavior)

Confused by a certain node or item? Check out for inline code comments.

### Example tests

* You can use this to test what happens if a player is simultaneously in 2 nodes with `damage_per_second` but with a different value.
* Or use the Falling Node Tool on various test nodes to see how they behave when falling.
* You could also use this as a testbed for dependency-free mods, e.g. to test out how your formspecs behave without theming.

## Random notes

* Experimental/strange/unstructured tests can be found in the `experimental` mod
* Textures of drawtype test nodes have a red dot at the top left corner. This is to see whether the textures are oriented properly

## Design philosophy

This should loosely follow the following principles:

* Engine testing: The main focus of this is to aid testing of *engine* features, such as mapgen or node drawtypes
* Mod testing: The secondary focus is to help modders as well, either as a minimal testbed for mods or even as a code example
* Minimal interference: Under default settings, it shall not interfere with APIs except on explicit user wish. Non-trivial tests and features need to be enabled by a setting first
* Convenience: Have various tools to make usage easier and more convenient
* Reproducing engine bugs: When an engine bug was found, consider creating a test case
* Clarity: Textures and names need to be designed to keep different things clearly visually apart at a glance
* Low loading time: It must load blazing-fast so stuff can be tested quickly

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name = Minimal development test

description = Testing environment to help with testing the engine features of Minetest. It can also be helpful in mod development.
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local WATER_ALPHA = 160
local WATER_VISC = 1
local LAVA_VISC = 7

--
-- Node definitions
--

-- Register nodes

minetest.register_node("basenodes:stone", {
description = "Stone",
tiles = {"default_stone.png"},
groups = {cracky=3},
})

minetest.register_node("basenodes:desert_stone", {
description = "Desert Stone",
tiles = {"default_desert_stone.png"},
groups = {cracky=3},
})

minetest.register_node("basenodes:dirt_with_grass", {
description = "Dirt with Grass",
tiles ={"default_grass.png",
-- a little dot on the bottom to distinguish it from dirt
"default_dirt.png^basenodes_dirt_with_grass_bottom.png",
{name = "default_dirt.png^default_grass_side.png",
tileable_vertical = false}},
groups = {crumbly=3, soil=1},
})

minetest.register_node("basenodes:dirt_with_snow", {
description = "Dirt with Snow",
tiles ={"basenodes_dirt_with_snow.png",
-- a little dot on the bottom to distinguish it from dirt
"default_dirt.png^basenodes_dirt_with_snow_bottom.png",
{name = "default_dirt.png^default_snow_side.png",
tileable_vertical = false}},
groups = {crumbly=3, soil=1},
})

minetest.register_node("basenodes:dirt", {
description = "Dirt",
tiles ={"default_dirt.png"},
groups = {crumbly=3, soil=1},
})

minetest.register_node("basenodes:sand", {
description = "Sand",
tiles ={"default_sand.png"},
groups = {crumbly=3},
})

minetest.register_node("basenodes:desert_sand", {
description = "Desert Sand",
tiles ={"default_desert_sand.png"},
groups = {crumbly=3},
})

minetest.register_node("basenodes:gravel", {
description = "Gravel",
tiles ={"default_gravel.png"},
groups = {crumbly=2},
})

minetest.register_node("basenodes:junglegrass", {
description = "Jungle Grass",
drawtype = "plantlike",
tiles ={"default_junglegrass.png"},
inventory_image = "default_junglegrass.png",
wield_image = "default_junglegrass.png",
paramtype = "light",
walkable = false,
groups = {snappy=3},
})

minetest.register_node("basenodes:tree", {
description = "Normal Tree Trunk",
tiles = {"default_tree_top.png", "default_tree_top.png", "default_tree.png"},
is_ground_content = false,
groups = {choppy=2,oddly_breakable_by_hand=1},
})

minetest.register_node("basenodes:leaves", {
description = "Normal Leaves",
drawtype = "allfaces_optional",
tiles = {"default_leaves.png"},
paramtype = "light",
is_ground_content = false,
groups = {snappy=3},
})

minetest.register_node("basenodes:jungletree", {
description = "Jungle Tree Trunk",
tiles = {"default_jungletree_top.png", "default_jungletree_top.png", "default_jungletree.png"},
is_ground_content = false,
groups = {choppy=2,oddly_breakable_by_hand=1},
})

minetest.register_node("basenodes:jungleleaves", {
description = "Jungle Leaves",
drawtype = "allfaces_optional",
tiles = {"default_jungleleaves.png"},
paramtype = "light",
is_ground_content = false,
groups = {snappy=3},
})

minetest.register_node("basenodes:pine_tree", {
description = "Pine Tree Trunk",
tiles = {"default_pine_tree_top.png", "default_pine_tree_top.png", "default_pine_tree.png"},
is_ground_content = false,
groups = {choppy=2,oddly_breakable_by_hand=1},
})

minetest.register_node("basenodes:pine_needles", {
description = "Pine Needles",
drawtype = "allfaces_optional",
tiles = {"default_pine_needles.png"},
paramtype = "light",
is_ground_content = false,
groups = {snappy=3},
})

minetest.register_node("basenodes:water_source", {
description = "Water Source",
drawtype = "liquid",
tiles = {"default_water.png"},
special_tiles = {
{name = "default_water.png", backface_culling = false},
{name = "default_water.png", backface_culling = true},
},
alpha = WATER_ALPHA,
paramtype = "light",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drowning = 1,
liquidtype = "source",
liquid_alternative_flowing = "basenodes:water_flowing",
liquid_alternative_source = "basenodes:water_source",
liquid_viscosity = WATER_VISC,
post_effect_color = {a = 64, r = 100, g = 100, b = 200},
groups = {water = 3, liquid = 3},
})

minetest.register_node("basenodes:water_flowing", {
description = "Flowing Water",
drawtype = "flowingliquid",
tiles = {"default_water_flowing.png"},
special_tiles = {
{name = "default_water_flowing.png", backface_culling = false},
{name = "default_water_flowing.png", backface_culling = false},
},
alpha = WATER_ALPHA,
paramtype = "light",
paramtype2 = "flowingliquid",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drowning = 1,
liquidtype = "flowing",
liquid_alternative_flowing = "basenodes:water_flowing",
liquid_alternative_source = "basenodes:water_source",
liquid_viscosity = WATER_VISC,
post_effect_color = {a = 64, r = 100, g = 100, b = 200},
groups = {water = 3, liquid = 3},
})

minetest.register_node("basenodes:river_water_source", {
description = "River Water Source",
drawtype = "liquid",
tiles = { "default_river_water.png" },
special_tiles = {
{name = "default_river_water.png", backface_culling = false},
{name = "default_river_water.png", backface_culling = true},
},
alpha = WATER_ALPHA,
paramtype = "light",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drowning = 1,
liquidtype = "source",
liquid_alternative_flowing = "basenodes:river_water_flowing",
liquid_alternative_source = "basenodes:river_water_source",
liquid_viscosity = 1,
liquid_renewable = false,
liquid_range = 2,
post_effect_color = {a = 103, r = 30, g = 76, b = 90},
groups = {water = 3, liquid = 3, },
})

minetest.register_node("basenodes:river_water_flowing", {
description = "Flowing River Water",
drawtype = "flowingliquid",
tiles = {"default_river_water_flowing.png"},
special_tiles = {
{name = "default_river_water_flowing.png", backface_culling = false},
{name = "default_river_water_flowing.png", backface_culling = false},
},
alpha = WATER_ALPHA,
paramtype = "light",
paramtype2 = "flowingliquid",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drowning = 1,
liquidtype = "flowing",
liquid_alternative_flowing = "basenodes:river_water_flowing",
liquid_alternative_source = "basenodes:river_water_source",
liquid_viscosity = 1,
liquid_renewable = false,
liquid_range = 2,
post_effect_color = {a = 103, r = 30, g = 76, b = 90},
groups = {water = 3, liquid = 3, },
})

minetest.register_node("basenodes:lava_flowing", {
description = "Flowing Lava",
drawtype = "flowingliquid",
tiles = {"default_lava_flowing.png"},
special_tiles = {
{name="default_lava_flowing.png", backface_culling = false},
{name="default_lava_flowing.png", backface_culling = false},
},
paramtype = "light",
light_source = minetest.LIGHT_MAX,
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drowning = 1,
damage_per_second = 4,
liquidtype = "flowing",
liquid_alternative_flowing = "basenodes:lava_flowing",
liquid_alternative_source = "basenodes:lava_source",
liquid_viscosity = LAVA_VISC,
post_effect_color = {a=192, r=255, g=64, b=0},
groups = {lava=3, liquid=1},
})

minetest.register_node("basenodes:lava_source", {
description = "Lava Source",
drawtype = "liquid",
tiles = { "default_lava.png" },
special_tiles = {
{name = "default_lava.png", backface_culling = false},
{name = "default_lava.png", backface_culling = true},
},
paramtype = "light",
light_source = minetest.LIGHT_MAX,
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drowning = 1,
damage_per_second = 4,
liquidtype = "source",
liquid_alternative_flowing = "basenodes:lava_flowing",
liquid_alternative_source = "basenodes:lava_source",
liquid_viscosity = LAVA_VISC,
post_effect_color = {a=192, r=255, g=64, b=0},
groups = {lava=3, liquid=1},
})

minetest.register_node("basenodes:cobble", {
description = "Cobblestone",
tiles ={"default_cobble.png"},
is_ground_content = false,
groups = {cracky=3},
})

minetest.register_node("basenodes:mossycobble", {
description = "Mossy Cobblestone",
tiles ={"default_mossycobble.png"},
is_ground_content = false,
groups = {cracky=3},
})

minetest.register_node("basenodes:apple", {
description = "Apple",
drawtype = "plantlike",
tiles ={"default_apple.png"},
inventory_image = "default_apple.png",
paramtype = "light",
is_ground_content = false,
sunlight_propagates = true,
walkable = false,
groups = {dig_immediate=3},

-- Make eatable because why not?
on_use = minetest.item_eat(2),
})

minetest.register_node("basenodes:ice", {
description = "Ice",
tiles ={"default_ice.png"},
groups = {cracky=3},
})

-- The snow nodes intentionally have different tints to make them more
-- distinguishable
minetest.register_node("basenodes:snow", {
description = "Snow Sheet",
tiles = {"basenodes_snow_sheet.png"},
groups = {crumbly=3},
walkable = false,
paramtype = "light",
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {-0.5, -0.5, -0.5, 0.5, -0.25, 0.5},
},
})

minetest.register_node("basenodes:snowblock", {
description = "Snow Block",
tiles ={"default_snow.png"},
groups = {crumbly=3},
})


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name = basenodes
description = Contains basic nodes for mapgen
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