From 948438bd1ce0ffbf30284ac0bfddfa6c75ebcadb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Elias=20=C3=85str=C3=B6m?= Date: Tue, 26 Jan 2021 16:57:18 +0100 Subject: [PATCH] Add max_blast_resistance to mcl_explosions.explode If the option is specified, then the explosion will treat all non-indestructible nodes as having a blast resistance of no more than the value of the option. --- mods/CORE/mcl_explosions/init.lua | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/mods/CORE/mcl_explosions/init.lua b/mods/CORE/mcl_explosions/init.lua index c18ac316..b2348986 100644 --- a/mods/CORE/mcl_explosions/init.lua +++ b/mods/CORE/mcl_explosions/init.lua @@ -32,6 +32,10 @@ local STEP_LENGTH = 0.3 -- How many rays to compute entity exposure to explosion local N_EXPOSURE_RAYS = 16 +-- Nodes having a blast resistance of this value or higher are treated as +-- indestructible +local INDESTRUCT_BLASTRES = 1000000 + minetest.register_on_mods_loaded(function() -- Store blast resistance values by content ids to improve performance. for name, def in pairs(minetest.registered_nodes) do @@ -142,6 +146,9 @@ end -- drop_chance - The chance that destroyed nodes will drop their items -- fire - If true, 1/3 nodes become fire -- griefing - If true, the explosion will destroy nodes (default: true) +-- max_blast_resistance - The explosion will treat all non-indestructible nodes +-- as having a blast resistance of no more than this +-- value -- -- Note that this function has been optimized, it contains code which has been -- inlined to avoid function calls and unnecessary table creation. This was @@ -170,6 +177,7 @@ local function trace_explode(pos, strength, raydirs, radius, info, puncher) local drop_chance = info.drop_chance local fire = info.fire + local max_blast_resistance = info.max_blast_resistance -- Trace rays for environment destruction if info.griefing then @@ -191,6 +199,10 @@ local function trace_explode(pos, strength, raydirs, radius, info, puncher) local cid = data[idx] local br = node_blastres[cid] + if br < INDESTRUCT_BLASTRES and br > max_blast_resistance then + br = max_blast_resistance + end + local hash = minetest.hash_node_position({x=npos_x, y=npos_y, z=npos_z}) rpos_x = rpos_x + STEP_LENGTH * rdir_x @@ -399,6 +411,9 @@ end -- Values in info: -- drop_chance - If specified becomes the drop chance of all nodes in the -- explosion (default: 1.0 / strength) +-- max_blast_resistance - If specified the explosion will treat all +-- non-indestructible nodes as having a blast resistance +-- of no more than this value -- sound - If true, the explosion will play a sound (default: true) -- particles - If true, the explosion will create particles (default: true) -- fire - If true, 1/3 nodes become fire (default: false) @@ -422,8 +437,11 @@ function mcl_explosions.explode(pos, strength, info, puncher) if info.sound == nil then info.sound = true end if info.fire == nil then info.fire = false end if info.griefing == nil then info.griefing = true end + if info.max_blast_resistance == nil then + info.max_blast_resistance = INDESTRUCT_BLASTRES + end - -- For backwards compatability + -- For backwards compatibility if info.no_particle then info.particles = false end if info.no_sound then info.sound = false end @@ -431,6 +449,7 @@ function mcl_explosions.explode(pos, strength, info, puncher) if minetest.is_creative_enabled("") then info.drop_chance = 0 end + trace_explode(pos, strength, shape, radius, info, puncher) if info.particles then