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smart_mobs
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careful rewrote of mob trying to get to player, more responsive mobs, no more "frozen in state" mobs

master
rnd1 2016-02-12 17:00:09 +01:00
parent a9522444ce
commit b315d2d6da
1 changed files with 43 additions and 33 deletions
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76
api.lua
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@ -1438,11 +1438,10 @@ minetest.register_entity(name, {
end
-- rnd: new movement direction
if self.path.stuck and self.path.way then
if #self.path.way>50 or dist<self.reach then self.path.stuck = false return end -- no paths longer than 50
local p1 = self.path.way[1]; if not p1 then self.path.stuck = false return end
-- rnd: following path
if self.path.following and self.path.way then
if #self.path.way>50 or dist<self.reach then self.path.following = false return end -- no paths longer than 50
local p1 = self.path.way[1]; if not p1 then self.path.following = false return end
if math.abs(p1.x-s.x)+math.abs(p1.z-s.z)<0.6 then -- reached waypoint, remove it from queue
table.remove(self.path.way,1);
end
@ -1478,30 +1477,38 @@ minetest.register_entity(name, {
else self.path.stuck_timer = 0;
end
self.path.lastpos = {x=s.x,y=s.y,z=s.z};
if (self.path.stuck_timer>stuck_timeout and not self.path.stuck) or (self.path.stuck_timer>stuck_path_timeout and self.path.stuck) then -- im stuck, search for path
self.path.stuck = true;
if (self.path.stuck_timer>stuck_timeout) or (self.path.stuck_timer>stuck_path_timeout and self.path.following) then -- im stuck, search for path
self.path.stuck_timer = 0;
-- lets try find a path, first take care of positions since pathfinder is very sensitive
local sheight=self.collisionbox[5]-self.collisionbox[2];
s.x=math.floor(s.x+0.5);s.y=math.floor(s.y+0.5)-sheight;s.z=math.floor(s.z+0.5); -- round position to center of node to avoid stuck in walls, also adjust height for player models!
local ssight,sground;ssight,sground=minetest.line_of_sight(s, {x=s.x,y=s.y-4,z=s.z}, 1); if not ssight then s.y=sground.y+1 end-- determine node above ground
--minetest.chat_send_all("stuck at " .. s.x .." " .. s.y .. " " .. s.z .. ", calculating path")
local p1 = self.attack:getpos();p1.x=math.floor(p1.x+0.5);p1.y=math.floor(p1.y+0.5);p1.z=math.floor(p1.z+0.5);
--minetest.find_path(pos1, pos2, searchdistance, max_jump, max_drop, algorithm)
self.path.way = minetest.find_path(s, p1, 16, 2, 6,"Dijkstra"); --"A*_noprefetch");
if not self.path.way then -- no path found, try something else
self.path.stuck=false
if enable_pathfind_digging and self.path.stuck_timer>1 then -- lets make way by digging/building if not accessible
self.path.following=false;
self.path.stuck = true;
minetest.chat_send_all("no path");
if enable_pathfind_digging then -- lets make way by digging/building if not accessible
if s.y<p.y then -- add block and remove one block above so there is room to jump if needed
if not minetest.is_protected(s,"") then minetest.set_node(s,{name="mobs:stone"}); end
local sheight=math.ceil(self.collisionbox[5])+1;
s.y=s.y+sheight; -- assume mob is 2 blocks high so it digs above its head
if not minetest.is_protected(s,"") then
local node1=minetest.get_node(s).name;
if node1~="air" then minetest.set_node(s,{name="air"});minetest.add_item(s,ItemStack(node1)) end
end
s.y=s.y-sheight;self.object:setpos({x=s.x,y=s.y+2,z=s.z});
else
local yaw1= self.object:getyaw()+pi/2; -- dig 2 blocks to make door toward player direction
local sheight=math.ceil(self.collisionbox[5])+1;
s.y=s.y+sheight; -- assume mob is 2 blocks high so it digs above its head
if not minetest.is_protected(s,"") then
local node1=minetest.get_node(s).name;
if node1~="air" then minetest.set_node(s,{name="air"});minetest.add_item(s,ItemStack(node1)) end
end
s.y=s.y-sheight;self.object:setpos({x=s.x,y=s.y+2,z=s.z});
else-- dig 2 blocks to make door toward player direction
local yaw1= self.object:getyaw()+pi/2;
local p1 = {x=s.x+math.cos(yaw1),y=s.y,z=s.z+math.sin(yaw1)};
if not minetest.is_protected(p1,"") then
local node1=minetest.get_node(p1).name;
@ -1512,22 +1519,24 @@ minetest.register_entity(name, {
end
end
end
self.path.stuck_timer=stuck_timeout-1; -- will try again in 1 second
minetest.sound_play(self.sounds.random, { -- frustration! cant find the damn path:(
object = self.object,
max_hear_distance = self.sounds.distance
})
else
if self.sounds.random then -- yay i found path
set_velocity(self, self.walk_velocity)
minetest.sound_play(self.sounds.attack, {
object = self.object,
max_hear_distance = self.sounds.distance
})
end
--minetest.chat_send_all("found path with length " .. #self.path.way);
self.state = "stand"
else
if self.sounds.random then -- yay i found path
set_velocity(self, self.walk_velocity)
minetest.sound_play(self.sounds.attack, {
object = self.object,
max_hear_distance = self.sounds.distance
})
end
self.path.following=true;-- follow path now that it has it
end
self.path.stuck_timer=0
end
end
@ -1556,9 +1565,9 @@ minetest.register_entity(name, {
set_animation(self, "run")
end
else
else -- rnd: if inside reach range
self.path.stuck = false; self.path.stuck_timer=0 -- rnd: no more stuck
self.path.stuck = false; self.path.stuck_timer=0;self.path.following=false; -- rnd: no more stuck
set_velocity(self, 0)
set_animation(self, "punch")
@ -1862,6 +1871,7 @@ minetest.register_entity(name, {
self.path.way = {};-- path to follow, table of positions
self.path.lastpos = {x=0,y=0,z=0};
self.path.stuck = false;
self.path.following = false; -- currently following path?
self.path.stuck_timer = 0; -- if stuck for too long search for path, stuck if v.x, v.z has magnitude smaller than 0.25 for too long