aboutsummaryrefslogtreecommitdiff
path: root/assets/manual_img/Bildschirmfoto_2016-09-17_10-09-01.png
diff options
context:
space:
mode:
authororwell96 <orwell@bleipb.de>2018-06-19 19:49:24 +0200
committerorwell96 <orwell@bleipb.de>2018-06-19 19:49:24 +0200
commit08ac0f9c05c4623a2783749b1dee2dafa234cee6 (patch)
treee1ff64ecfcaf7688ef112b4b06f41e65a787dca2 /assets/manual_img/Bildschirmfoto_2016-09-17_10-09-01.png
parenteab240bdce187db0de7b2b2a20b8eabdb4bd3946 (diff)
downloadadvtrains-08ac0f9c05c4623a2783749b1dee2dafa234cee6.tar.gz
advtrains-08ac0f9c05c4623a2783749b1dee2dafa234cee6.tar.bz2
advtrains-08ac0f9c05c4623a2783749b1dee2dafa234cee6.zip
Check for inventory existence before serializing, and do not create it again if it already exists.
Diffstat (limited to 'assets/manual_img/Bildschirmfoto_2016-09-17_10-09-01.png')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-26 00:34:24 +0000
146'>146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 
--atan2 counts angles clockwise, minetest does counterclockwise
--local print=function(t) minetest.log("action", t) minetest.chat_send_all(t) end
local print=function() end

local wagon={
	collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
	--physical = true,
	visual = "mesh",
	mesh = "wagon.b3d",
	visual_size = {x=3, y=3},
	textures = {"black.png"},
	is_wagon=true,
	wagon_span=1,--how many index units of space does this wagon consume
	has_inventory=false,
}



function wagon:on_rightclick(clicker)
	if not self:ensure_init() then return end
	if not clicker or not clicker:is_player() then
		return
	end
	if clicker:get_player_control().aux1 then
		--advtrains.dumppath(self:train().path)
		--minetest.chat_send_all("at index "..(self:train().index or "nil"))
		--advtrains.invert_train(self.train_id)
		minetest.chat_send_all(dump(self:train()))
		return
	end	
	local no=self:get_seatno(clicker:get_player_name())
	if no then
		self:get_off(no)
	else
		self:show_get_on_form(clicker:get_player_name())
	end
end

function wagon:train()
	return advtrains.trains[self.train_id]
end

--[[about 'initalized':
	when initialized is false, the entity hasn't got any data yet and should wait for these to be set before doing anything
	when loading an existing object (with staticdata), it will be set
	when instanciating a new object via add_entity, it is not set at the time on_activate is called.
	then, wagon:initialize() will be called
	
	wagon will save only uid in staticdata, no serialized table
]]
function wagon:on_activate(sd_uid, dtime_s)
	print("[advtrains][wagon "..((sd_uid and sd_uid~="" and sd_uid) or "no-id").."] activated")
	self.object:set_armor_groups({immortal=1})
	if sd_uid and sd_uid~="" then
		--legacy
		--expect this to be a serialized table and handle
		if minetest.deserialize(sd_uid) then
			self:init_from_wagon_save(minetest.deserialize(sd_uid).unique_id)
		else
			self:init_from_wagon_save(sd_uid)
		end
	end
	self.entity_name=self.name
	
	--duplicates?
	for ao_id,wagon in pairs(minetest.luaentities) do
		if wagon.is_wagon and wagon.initialized and wagon.unique_id==self.unique_id and wagon~=self then--i am a duplicate!
			print("[advtrains][wagon "..((sd_uid and sd_uid~="" and sd_uid) or "no-id").."] duplicate found(ao_id:"..ao_id.."), removing")
			self.object:remove()
			minetest.after(0.5, function() advtrains.update_trainpart_properties(self.train_id) end)
			return
		end
	end
	
	if self.custom_on_activate then
		self:custom_on_activate(staticdata_table, dtime_s)
	end
end

function wagon:get_staticdata()
	if not self:ensure_init() then return end
	print("[advtrains][wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: saving to wagon_save")
	--serialize inventory, if it has one
	if self.has_inventory then
		local inv=minetest.get_inventory({type="detached", name="advtrains_wgn_"..self.unique_id})
		self.ser_inv=advtrains.serialize_inventory(inv)
	end
	--save to table before being unloaded
	advtrains.wagon_save[self.unique_id]=advtrains.merge_tables(self)
	advtrains.wagon_save[self.unique_id].entity_name=self.name
	advtrains.wagon_save[self.unique_id].name=nil
	advtrains.wagon_save[self.unique_id].object=nil
	return self.unique_id
end
--returns: uid of wagon
function wagon:init_new_instance(train_id, properties)
	self.unique_id=os.time()..os.clock()
	self.train_id=train_id
	for k,v in pairs(properties) do
		if k~="name" and k~="object" then
			self[k]=v
		end
	end
	self:init_shared()
	self.initialized=true
	print("init_new_instance "..self.unique_id.." ("..self.train_id..")")
	return self.unique_id
end
function wagon:init_from_wagon_save(uid)
	if not advtrains.wagon_save[uid] then
		self.object:remove()
		return
	end
	self.unique_id=uid
	for k,v in pairs(advtrains.wagon_save[uid]) do
		if k~="name" and k~="object" then
			self[k]=v
		end
	end
	if not self.train_id or not self:train() then
		self.object:remove()
		return
	end
	self:init_shared()
	self.initialized=true
	minetest.after(1, function() self:reattach_all() end)
	print("init_from_wagon_save "..self.unique_id.." ("..self.train_id..")")
	advtrains.update_trainpart_properties(self.train_id)
end
function wagon:init_shared()
	if self.has_inventory then
		local uid_noptr=self.unique_id..""
		--to be used later
		local inv=minetest.create_detached_inventory("advtrains_wgn_"..self.unique_id, {
			allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
				return count
			end,
			allow_put = function(inv, listname, index, stack, player)
				return stack:get_count()
			end,
			allow_take = function(inv, listname, index, stack, player)
				return stack:get_count()
			end
		})
		if self.ser_inv then
			advtrains.deserialize_inventory(self.ser_inv, inv)
		end
		if self.inventory_list_sizes then
			for lst, siz in pairs(self.inventory_list_sizes) do
				inv:set_size(lst, siz)
			end
		end
	end
end
function wagon:ensure_init()
	if self.initialized then return true end
	self.object:setvelocity({x=0,y=0,z=0})
	return false
end

-- Remove the wagon
function wagon:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
	if not self:ensure_init() then return end
	if not puncher or not puncher:is_player() then
		return
	end
	if self.owner and puncher:get_player_name()~=self.owner then
		minetest.chat_send_player(puncher:get_player_name(), "This wagon is owned by "..self.owner..", you can't destroy it.")
		return
	end
	
	if minetest.setting_getbool("creative_mode") then
		if not self:destroy() then return end
		
		local inv = puncher:get_inventory()
		if not inv:contains_item("main", self.name) then
			inv:add_item("main", self.name)
		end
	else
		local pc=puncher:get_player_control()
		if not pc.sneak then
			minetest.chat_send_player(puncher:get_player_name(), "Warning: If you destroy this wagon, you only get some steel back! If you are sure, shift-leftclick the wagon.")
			return
		end

		if not self:destroy() then return end

		local inv = puncher:get_inventory()
		for _,item in ipairs(self.drops or {self.name}) do
			inv:add_item("main", item)
		end
	end
end
function wagon:destroy()
	--some rules:
	-- you get only some items back
	-- single left-click shows warning
	-- shift leftclick destroys
	-- not when a driver is inside
	
	for _,_ in pairs(self.seatp) do
		return
	end
	
	if self.custom_may_destroy then
		if not self.custom_may_destroy(self, puncher, time_from_last_punch, tool_capabilities, direction) then
			return
		end
	end
	if self.custom_on_destroy then
		self.custom_on_destroy(self, puncher, time_from_last_punch, tool_capabilities, direction)
	end
	
	print("[advtrains][wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: destroying")
	
	self.object:remove()

	table.remove(self:train().trainparts, self.pos_in_trainparts)
	advtrains.update_trainpart_properties(self.train_id)
	advtrains.wagon_save[self.unique_id]=nil
	if self.discouple then self.discouple.object:remove() end--will have no effect on unloaded objects
	return true
end


function wagon:on_step(dtime)
	if not self:ensure_init() then return end
	
	local t=os.clock()
	local pos = self.object:getpos()
	
	if not pos then
		print("["..self.unique_id.."][fatal] missing position (object:getpos() returned nil)")
		return
	end

	self.entity_name=self.name
	
	--is my train still here
	if not self.train_id or not self:train() then
		print("[advtrains][wagon "..self.unique_id.."] missing train_id, destroying")
		self.object:remove()
		return
	elseif not self.initialized then
		self.initialized=true
	end
	if not self.seatp then
		self.seatp={}
	end

	--custom on_step function
	if self.custom_on_step then
		self:custom_on_step(self, dtime)
	end

	--driver control
	for seatno, seat in ipairs(self.seats) do
		if seat.driving_ctrl_access then
			local driver=self.seatp[seatno] and minetest.get_player_by_name(self.seatp[seatno])
			local get_off_pressed=false
			if driver and driver:get_player_control_bits()~=self.old_player_control_bits then
				local pc=driver:get_player_control()
				
				advtrains.on_control_change(pc, self:train(), self.wagon_flipped)
				if pc.aux1 and pc.sneak then
					get_off_pressed=true
				end
				
				self.old_player_control_bits=driver:get_player_control_bits()
			end
			if driver then
				if get_off_pressed then
					self:get_off(seatno)
				else
					advtrains.update_driver_hud(driver:get_player_name(), self:train(), self.wagon_flipped)
				end
			end
		end
	end

	local gp=self:train()

	--DisCouple
	if self.pos_in_trainparts and self.pos_in_trainparts>1 then