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Don't push objects into walls and fix bug in previous commit

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Jeija 2013-04-02 12:09:59 +02:00
parent 57e1547515
commit 63a18f1a51
1 changed files with 12 additions and 9 deletions
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21
mesecons_mvps/init.lua
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@ -44,7 +44,7 @@ function mesecon:mvps_get_stack(pos, dir, maximum)
local nn = minetest.env:get_node_or_nil(np)
if not nn or #nodes > maximum then
-- don't push at all, something is in the way (unloaded map or too many nodes)
return
return nil
end
if nn.name == "air"
@ -62,6 +62,7 @@ end
function mesecon:mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: direction of push; maximum: maximum nodes to be pushed
local nodes = mesecon:mvps_get_stack(pos, dir, maximum)
if not nodes then return end
-- determine if one of the nodes blocks the push
for id, n in ipairs(nodes) do
if mesecon:is_mvps_stopper(n.node, dir, nodes, id) then
@ -139,6 +140,8 @@ function mesecon:mvps_pull_all(pos, direction) -- pos: pos of mvps; direction: d
end
function mesecon:mvps_move_objects(pos, dir, nodestack)
local objects_to_move = {}
-- Move object at tip of stack
local pushpos = mesecon:addPosRule(pos, -- get pos at tip of stack
{x = dir.x * (#nodestack),
@ -148,29 +151,29 @@ function mesecon:mvps_move_objects(pos, dir, nodestack)
local objects = minetest.env:get_objects_inside_radius(pushpos, 1)
for _, obj in ipairs(objects) do
local entity = obj:get_luaentity()
if not entity or not mesecon:is_mvps_unmov(entity.name) then
obj:setpos(mesecon:addPosRule(obj:getpos(), dir))
end
table.insert(objects_to_move, obj)
end
-- Move objects lying/standing on the stack (before it was pushed - oldstack)
local objects_above = {}
if tonumber(minetest.setting_get("movement_gravity")) > 0 and dir.y == 0 then
-- If gravity positive and dir horizontal, push players standing on the stack
for _, n in ipairs(nodestack) do
local p_above = mesecon:addPosRule(n.pos, {x=0, y=1, z=0})
local objects = minetest.env:get_objects_inside_radius(p_above, 1)
for _, obj in ipairs(objects) do
table.insert(objects_above, obj)
table.insert(objects_to_move, obj)
end
end
end
for _, obj in ipairs(objects_above) do
for _, obj in ipairs(objects_to_move) do
local entity = obj:get_luaentity()
if not entity or not mesecon:is_mvps_unmov(entity.name) then
obj:setpos(mesecon:addPosRule(obj:getpos(), dir))
local np = mesecon:addPosRule(obj:getpos(), dir)
local nn = minetest.env:get_node(np)
if not minetest.registered_nodes[nn.name].walkable then
obj:setpos(np)
end
end
end
end