summaryrefslogtreecommitdiff
path: root/src/profiler.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/profiler.cpp')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-30 04:58:27 +0000
67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 
--advtrains by orwell96, see readme.txt
local print=function(t) minetest.log("action", t) minetest.chat_send_all(t) end

advtrains.dir_trans_tbl={
	[0]={x=0, z=1},
	[1]={x=1, z=2},
	[2]={x=1, z=1},
	[3]={x=2, z=1},
	[4]={x=1, z=0},
	[5]={x=2, z=-1},
	[6]={x=1, z=-1},
	[7]={x=1, z=-2},
	[8]={x=0, z=-1},
	[9]={x=-1, z=-2},
	[10]={x=-1, z=-1},
	[11]={x=-2, z=-1},
	[12]={x=-1, z=0},
	[13]={x=-2, z=1},
	[14]={x=-1, z=1},
	[15]={x=-1, z=2},
}

function advtrains.dirCoordSet(coord, dir)
	local x,z
	if advtrains.dir_trans_tbl[dir] then
		x,z=advtrains.dir_trans_tbl[dir].x, advtrains.dir_trans_tbl[dir].z
	else
		error("advtrains: in helpers.lua/dirCoordSet() given dir="..(dir or "nil"))
	end
	return {x=coord.x+x, y=coord.y, z=coord.z+z}
end
function advtrains.dirToCoord(dir)
	return advtrains.dirCoordSet({x=0, y=0, z=0}, dir)
end

function advtrains.maxN(list, expectstart)
	local n=expectstart or 0
	while list[n] do
		n=n+1
	end
	return n-1
end

function advtrains.minN(list, expectstart)
	local n=expectstart or 0
	while list[n] do
		n=n-1
	end
	return n+1
end

--vertical_transmit:
--[[
rely1, rely2 tell to which height the connections are pointed to. 1 means it will go up the next node

]]

function advtrains.conway(midreal, prev, traintype)--in order prev,mid,return
	local mid=advtrains.round_vector_floor_y(midreal)
	local drives_on=advtrains.all_traintypes[traintype].drives_on
	
	if not advtrains.get_rail_info_at(advtrains.round_vector_floor_y(prev), traintype) then
		return nil
	end
	
	local midnode_ok, middir1, middir2, midrely1, midrely2=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(mid), traintype)
	if not midnode_ok then
		return nil 
	end
	
	local next, chkdir, chkrely, y_offset
	y_offset=0
	--print("[advtrains] in order mid1,mid2",middir1,middir2)
	--try if it is dir1
	local cor1=advtrains.dirCoordSet(mid, middir2)--<<<<
	if math.floor(cor1.x+0.5)==math.floor(prev.x+0.5) and math.floor(cor1.z+0.5)==math.floor(prev.z+0.5) then--this was previous
		next=advtrains.dirCoordSet(mid, middir1)
		if midrely1>=1 then
			next.y=next.y+1
			--print("[advtrains]found midrely1 to be >=1: next is now "..(next and minetest.pos_to_string(next) or "nil"))
			y_offset=1
		end
		chkdir=middir1
		chkrely=midrely1
		--print("[advtrains]dir2 applied next pos:",minetest.pos_to_string(next),"(chkdir is ",chkdir,")")
	end
	--dir2???
	local cor2=advtrains.dirCoordSet(mid, middir1)--<<<<
	if math.floor(cor2.x+0.5)==math.floor(prev.x+0.5) and math.floor(cor2.z+0.5)==math.floor(prev.z+0.5) then
		next=advtrains.dirCoordSet(mid, middir2)--dir2 wird überprüft, alles gut.
		if midrely2>=1 then
			next.y=next.y+1
			--print("[advtrains]found midrely2 to be >=1: next is now "..(next and minetest.pos_to_string(next) or "nil"))
			y_offset=1
		end
		chkdir=middir2
		chkrely=midrely2
		--print("[advtrains] dir2 applied next pos:",minetest.pos_to_string(next),"(chkdir is ",chkdir,")")
	end
	--print("[advtrains]dir applied next pos: "..(next and minetest.pos_to_string(next) or "nil").."(chkdir is "..(chkdir or "nil")..", y-offset "..y_offset..")")
	--is there a next
	if not next then
		--print("[advtrains]in conway: no next rail(nil), returning!")
		return nil
	end
	
	local nextnode_ok, nextdir1, nextdir2, nextrely1, nextrely2, nextrailheight=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(next), traintype)
	
	--is it a rail?
	if(not nextnode_ok) then
		--print("[advtrains]in conway: next "..minetest.pos_to_string(next).." not a rail, trying one node below!")
		next.y=next.y-1
		y_offset=y_offset-1
		
		nextnode_ok, nextdir1, nextdir2, nextrely1, nextrely2, nextrailheight=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(next), traintype)
		if(not nextnode_ok) then
			--print("[advtrains]in conway: one below "..minetest.pos_to_string(next).." is not a rail either, returning!")
			return nil
		end
	end
	
	--is this next rail connecting to the mid?
	if not ( (((nextdir1+8)%16)==chkdir and nextrely1==chkrely-y_offset) or (((nextdir2+8)%16)==chkdir and nextrely2==chkrely-y_offset) ) then
		--print("[advtrains]in conway: next "..minetest.pos_to_string(next).." not connecting, trying one node below!")
		next.y=next.y-1
		y_offset=y_offset-1
		
		nextnode_ok, nextdir1, nextdir2, nextrely1, nextrely2, nextrailheight=advtrains.get_rail_info_at(advtrains.round_vector_floor_y(next), traintype)
		if(not nextnode_ok) then
			--print("[advtrains]in conway: (at connecting if check again) one below "..minetest.pos_to_string(next).." is not a rail either, returning!")
			return nil
		end
		if not ( (((nextdir1+8)%16)==chkdir and nextrely1==chkrely) or (((nextdir2+8)%16)==chkdir and nextrely2==chkrely) ) then
			--print("[advtrains]in conway: one below "..minetest.pos_to_string(next).." rail not connecting, returning!")
			--print("[advtrains] in order mid1,2,next1,2,chkdir "..middir1.." "..middir2.." "..nextdir1.." "..nextdir2.." "..chkdir)
			return nil
		end
	end
	
	--print("[advtrains]conway found rail.")
	return vector.add(advtrains.round_vector_floor_y(next), {x=0, y=nextrailheight, z=0}), chkdir
end
--TODO use this
function advtrains.oppd(dir)
	return ((dir+8)%16)
end

function advtrains.round_vector_floor_y(vec)
	return {x=math.floor(vec.x+0.5), y=math.floor(vec.y), z=math.floor(vec.z+0.5)}
end

function advtrains.yawToDirection(yaw, conn1, conn2)
	if not conn1 or not conn2 then
		error("given nil to yawToDirection: conn1="..(conn1 or "nil").." conn2="..(conn1 or "nil"))
	end
	local yaw1=math.pi*(conn1/4)
	local yaw2=math.pi*(conn2/4)
	if advtrains.minAngleDiffRad(yaw, yaw1)<advtrains.minAngleDiffRad(yaw, yaw2) then--change to > if weird behavior
		return conn2
	else
		return conn1
	end
end

function advtrains.minAngleDiffRad(r1, r2)
	local try1=r2-r1
	local try2=(r2+2*math.pi)-r1
	local try3=r2-(r1+2*math.pi)
	if math.min(math.abs(try1), math.abs(try2), math.abs(try3))==math.abs(try1) then
		return try1
	end
	if math.min(math.abs(try1), math.abs(try2), math.abs(try3))==math.abs(try2) then
		return try2
	end