Add API documentation for rp_tnt

DEVELOPERS.md

@@ -54,6 +54,7 @@ Mods with documented APIs:
 * `rp_player_effects`: Add player effects (required if you want to modify player physics)
 * `rp_sounds`: Node sounds
 * `rp_util`: Helper functions for Repixture
+* `rp_tnt`: Ignite and blow up TNT, also spawn TNT-less explosions
 * `tt`: Custom tooltips
 
 Beware: Calling functions that are not documented are NOT guaranted to be stable

mods/rp_tnt/API.md

@@ -0,0 +1,54 @@
+# `rp_tnt` API
+
+This file documents the functions available for developers in this mod.
+
+
+## `tnt.burn(pos, igniter)`
+
+Ignite TNT at `pos`.
+
+* `pos`: Position of TNT node
+* `igniter`: Optional player object of player who ignited it or `nil` if nobody/unknown
+
+Note: The `igniter` is only used for logging purposes.
+
+
+
+## `tnt.boom(pos, radius, sound)`
+
+High-level TNT explosion.
+Immediately blows up a TNT node at `pos`,
+removes nodes, drops items, damages entities, spawns particles.
+
+Parameters:
+
+* `pos`: Position of TNT node. The TNT node is required!
+* `radius`: Explosion radius (default: read from `tnt_radius` setting)
+* `sound`: Sound name for explosion (default: `tnt_explode`)
+
+
+
+## `tnt.boom_notnt(pos, radius, sound, remove_nodes)`
+
+High-level explosion.
+Same as `tnt.boom` but works at any position. No TNT required.
+
+Parameters:
+
+* `pos`: Position of the explosion center.
+* `radius`: Explosion radius (default: read from `tnt_radius` setting)
+* `sound`: Sound name for explosion (default: `tnt_explode`)
+* `remove_nodes`: If true, will remove nodes, otherwise won't. (default: false)
+
+
+## `tnt.explode(pos, radius, sound)`
+
+Low-level explosion.
+Immediately removes and drops nodes at `pos`
+with a radius `radius` and plays a `sound`.
+There are no particle effects nor is ther entity damage or
+anything else.
+
+* `pos`: Center of the explosion
+* `radius`: Explosion radius
+* `sound`: Explosion sound (NOT optional)

mods/rp_tnt/README.txt

@@ -4,7 +4,12 @@ By PilzAdam and ShadowNinja.
 Tweaked by Kaadmy and Wuzzy, for Repixture.
 
 Adds explodable TNT
-Place a block of TNT, then click on it with flint and steel
+Place a block of TNT, then punch it with flint and steel.
+
+Developers: See `API.md` for a function reference. You can ignore and blow up TNT.
+You can also create arbitrary explosions.
+
+## Credits
 
 Source code license: LGPLv2.1
 Sound license: CC0

mods/rp_tnt/init.lua

@@ -180,6 +180,7 @@ local function emit_fuse_smoke(pos)
 	})
 end
 
+
 -- Ignite TNT at pos.
 -- igniter: Optional player object of player who ignited it or nil if nobody
 function tnt.burn(pos, igniter)
@@ -258,7 +259,11 @@ local function rawboom(pos, radius, sound, remove_nodes, is_tnt)
    end
    if remove_nodes then
       local drops = tnt.explode(pos, tnt_radius, sound)
+      if is_tnt then
           minetest.log("action", "[rp_tnt] TNT exploded at "..minetest.pos_to_string(pos, 0))
+      else
+          minetest.log("action", "[rp_tnt] Explosion at "..minetest.pos_to_string(pos, 0))
+      end
       entity_physics(pos, tnt_radius)
       eject_drops(drops, pos, tnt_radius)
    else