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Add griefing option to mcl_explosions.explode 

When set to false explosions will only affect entities and not destroy
nodes.
This commit is contained in:
Elias Åström 2021-01-26 16:33:45 +01:00
parent e3d2284485
commit 34274486c7
1 changed files with 31 additions and 26 deletions
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57
mods/CORE/mcl_explosions/init.lua
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@ -141,6 +141,7 @@ end
-- Values in info:
-- 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)
--
-- Note that this function has been optimized, it contains code which has been
-- inlined to avoid function calls and unnecessary table creation. This was
@ -171,38 +172,40 @@ local function trace_explode(pos, strength, raydirs, radius, info, puncher)
local fire = info.fire
-- Trace rays for environment destruction
for i = 1, #raydirs do
local rpos_x = pos.x
local rpos_y = pos.y
local rpos_z = pos.z
local rdir_x = raydirs[i].x
local rdir_y = raydirs[i].y
local rdir_z = raydirs[i].z
local rstr = (0.7 + math.random() * 0.6) * strength
if info.griefing then
for i = 1, #raydirs do
local rpos_x = pos.x
local rpos_y = pos.y
local rpos_z = pos.z
local rdir_x = raydirs[i].x
local rdir_y = raydirs[i].y
local rdir_z = raydirs[i].z
local rstr = (0.7 + math.random() * 0.6) * strength
for r = 0, math.ceil(radius * (1.0 / STEP_LENGTH)) do
local npos_x = math.floor(rpos_x + 0.5)
local npos_y = math.floor(rpos_y + 0.5)
local npos_z = math.floor(rpos_z + 0.5)
local idx = (npos_z - emin_z) * zstride + (npos_y - emin_y) * ystride +
npos_x - emin_x + 1
for r = 0, math.ceil(radius * (1.0 / STEP_LENGTH)) do
local npos_x = math.floor(rpos_x + 0.5)
local npos_y = math.floor(rpos_y + 0.5)
local npos_z = math.floor(rpos_z + 0.5)
local idx = (npos_z - emin_z) * zstride + (npos_y - emin_y) * ystride +
npos_x - emin_x + 1
local cid = data[idx]
local br = node_blastres[cid]
local hash = minetest.hash_node_position({x=npos_x, y=npos_y, z=npos_z})
local cid = data[idx]
local br = node_blastres[cid]
local hash = minetest.hash_node_position({x=npos_x, y=npos_y, z=npos_z})
rpos_x = rpos_x + STEP_LENGTH * rdir_x
rpos_y = rpos_y + STEP_LENGTH * rdir_y
rpos_z = rpos_z + STEP_LENGTH * rdir_z
rpos_x = rpos_x + STEP_LENGTH * rdir_x
rpos_y = rpos_y + STEP_LENGTH * rdir_y
rpos_z = rpos_z + STEP_LENGTH * rdir_z
rstr = rstr - 0.75 * STEP_LENGTH - (br + 0.3) * STEP_LENGTH
rstr = rstr - 0.75 * STEP_LENGTH - (br + 0.3) * STEP_LENGTH
if rstr <= 0 then
break
end
if rstr <= 0 then
break
end
if cid ~= minetest.CONTENT_AIR and not minetest.is_protected({x = npos_x, y = npos_y, z = npos_z}, "") then
destroy[hash] = idx
if cid ~= minetest.CONTENT_AIR and not minetest.is_protected({x = npos_x, y = npos_y, z = npos_z}, "") then
destroy[hash] = idx
end
end
end
end
@ -399,6 +402,7 @@ end
-- 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)
-- griefing - If true, the explosion will destroy nodes (default: true)
function mcl_explosions.explode(pos, strength, info, puncher)
if info == nil then
info = {}
@ -417,6 +421,7 @@ function mcl_explosions.explode(pos, strength, info, puncher)
if info.particles == nil then info.particles = true end
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
-- For backwards compatability
if info.no_particle then info.particles = false end