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authororwell96 <orwell@bleipb.de>2019-01-22 21:38:01 +0100
committerorwell96 <orwell@bleipb.de>2019-01-22 21:39:06 +0100
commit7537d2026f71ee7dd43f62812d3e8f8e7454f4d2 (patch)
treed7c933704c0add38a4b1b6823f31027f172b1a18 /assets/blender/ks
parent7c60b8ffd1c1ed9d30de80727023ede4e186d0e6 (diff)
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another small fix for route_ui
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generated by cgit v1.2.3 (git 2.39.1) at 2025-04-25 09:53:54 +0000
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local map_def={
	example = {
		p1x=168,
		p1z=530,
		p2x=780,
		p2z=1016,
		background="itm_example.png",
	},
}

local itm_cache={}
local itm_pdata={}
local itm_conf_mindia=0.1

minetest.register_privilege("itm", { description = "Allows to display train map", give_to_singleplayer = true, default = false })

local function create_map_form_with_bg(d)
	local minx, minz, maxx, maxz = math.min(d.p1x, d.p2x), math.min(d.p1z, d.p2z), math.max(d.p1x, d.p2x), math.max(d.p1z, d.p2z)
	local form_x, form_z=10,10
	local edge_x, edge_z = form_x/(maxx-minx), form_z/(maxz-minz)
	local len_x, len_z=math.max(edge_x, itm_conf_mindia), math.max(edge_z, itm_conf_mindia)
	local form="size["..(form_x+edge_x)..","..(form_z+edge_z).."] background[0,0;0,0;"..d.background..";true] "
	local lbl={}
	
	for pts, tid in pairs(advtrains.detector.on_node) do
		local pos=minetest.get_pos_from_hash(pts)
		form=form.."box["..(edge_x*(pos.x-minx))..","..(form_z-(edge_z*(pos.z-minz)))..";"..len_x..","..len_z..";red]"
		lbl[sid(tid)]=pos
	end
	
	for t_id, xz in pairs(lbl) do
		form=form.."label["..(edge_x*(xz.x-minx))..","..(form_x-(edge_z*(xz.z-minz)))..";"..t_id.."]"
	end
	return form
end

local function create_map_form(d)
	if d.background then
		return create_map_form_with_bg(d)
	end
	
	local minx, minz, maxx, maxz = math.min(d.p1x, d.p2x), math.min(d.p1z, d.p2z), math.max(d.p1x, d.p2x), math.max(d.p1z, d.p2z)
	local form_x, form_z=10,10
	local edge_x, edge_z = form_x/(maxx-minx), form_z/(maxz-minz)
	local len_x, len_z=math.max(edge_x, itm_conf_mindia), math.max(edge_z, itm_conf_mindia)
	local form="size["..(form_x+edge_x)..","..(form_z+edge_z).."]"
	local lbl={}
	
	for x,itx in pairs(itm_cache) do
		if x>=minx and x<=maxx then
			for z,y in pairs(itx) do
				if z>=minz and z<=maxz then
					local adn=advtrains.detector.on_node[minetest.hash_node_position({x=x, y=y, z=z})]
					local color="gray"
					if adn then
						color="red"
						lbl[sid(adn)]={x=x, z=z}
					end
					form=form.."box["..(edge_x*(x-minx))..","..(form_z-(edge_z*(z-minz)))..";"..len_x..","..len_z..";"..color.."]"
				end
			end
		end
	end
	for t_id, xz in pairs(lbl) do
		form=form.."label["..(edge_x*(xz.x-minx))..","..(form_x-(edge_z*(xz.z-minz)))..";"..t_id.."]"
	end
	return form
end

local function cache_ndb()
	itm_cache={}
	local ndb_nodes=advtrains.ndb.get_nodes()
	for phs,_ in pairs(ndb_nodes) do
		local pos=minetest.get_position_from_hash(phs)
		if not itm_cache[pos.x] then
			itm_cache[pos.x]={}
		end
		itm_cache[pos.x][pos.z]=pos.y
	end
end

minetest.register_chatcommand("itm", {
	params="[x1 z1 x2 z2] or [mdef]",
	description="Display advtrains train map of given area.\nFirst form:[x1 z1 x2 z2] - specify area directly.\nSecond form:[mdef] - Use a predefined map background(see init.lua)\nThird form: No parameters - use WorldEdit position markers.",
	privs={itm=true},
	func = function(name, param)
		local mdef=string.match(param, "^(%S+)$")
		if mdef then
			local d=map_def[mdef]
			if not d then
				return false, "Map definiton not found: "..mdef
			end
			itm_pdata[name]=map_def[mdef]
			minetest.show_formspec(name, "itrainmap", create_map_form(d))
			return true, "Showing train map: "..mdef
		end
		local x1, z1, x2, z2=string.match(param, "^(%S+) (%S+) (%S+) (%S+)$")
		if not (x1 and z1 and x2 and z2) then
			if worldedit then
				local wep1, wep2=worldedit.pos1[name], worldedit.pos2[name]
				if wep1 and wep2 then
					x1, z1, x2, z2=wep1.x, wep1.z, wep2.x, wep2.z
				end
			end
		end
		if not (x1 and z1 and x2 and z2) then
			return false, "Invalid parameters and no WE positions set"
		end
		local d={p1x=x1, p1z=z1, p2x=x2, p2z=z2}