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mirror of https://github.com/Sokomine/markers.git synced 2024-11-14 14:20:24 +01:00
markers/functions.lua
2019-04-11 23:19:43 +02:00

88 lines
3.3 KiB
Lua

-- shows where the area (defined by pos1/pos2) is located relative to the given position pos
-- row_offset/col_offset are offsets for the formspec
markers.show_compass_marker = function( col_offset, row_offset, with_text, pos, pos1, pos2 )
local formspec = '';
-- TODO: show up/down information somehow
-- TODO: what if checked with a land claim register?
-- if possible, show how far the area streches into each direction relative to pos
if( pos.x >= pos1.x and pos.x <= pos2.x
and pos.y >= pos1.y and pos.y <= pos2.y
and pos.z >= pos1.z and pos.z <= pos2.z ) then
if( with_text ) then
formspec = formspec..
'label[0.5,5.5;Dimensions of the area in relation to..]'..
-- TODO: check if there is a marker; else write 'position you clicked on'
'label[4.7,5.5;the marker at '..minetest.pos_to_string( pos )..':]'..
'button_exit[8.0,5.5;2,0.5;list_areas_at;Local areas]';
end
formspec = formspec..
'image['..col_offset..','..row_offset..';1,1;markers_stone.png]'..
'label['..(col_offset-0.8)..','..(row_offset+0.05)..';'..tostring( pos.x - pos1.x )..' m W]'..
'label['..(col_offset+1.0)..','..(row_offset+0.05)..';'..tostring( pos2.x - pos.x )..' m E]'..
'label['..(col_offset+0.1)..','..(row_offset+0.80)..';'..tostring( pos.z - pos1.z )..' m S]'..
'label['..(col_offset+0.1)..','..(row_offset-0.80)..';'..tostring( pos2.z - pos.z )..' m N]';
-- else show how far the area is away
else
local starts_north = '';
local starts_south = '';
local starts_east = '';
local starts_west = '';
if( pos.z > pos2.z ) then
starts_north = '';
starts_south = tostring( pos.z - pos2.z )..' m S';
else
starts_north = tostring( pos1.z - pos.z )..' m N';
starts_south = '';
end
if( pos.x > pos2.x ) then
starts_east = '';
starts_west = tostring( pos.x - pos2.x )..' m W';
else
starts_east = tostring( pos1.x - pos.x )..' m E';
starts_west = '';
end
if( with_text ) then
formspec = formspec..
'label[0.5,5.5;Position of the area in relation to..]'..
-- TODO: check if there is a marker; else write 'position you clicked on'
'label[4.7,5.5;the marker at '..minetest.pos_to_string( pos )..':]'..
'button_exit[8.0,5.5;2,0.5;list_areas_at;Local areas]';
end
formspec = formspec..
'image['..col_offset..','..row_offset..';1,1;compass_side_top.png]'..
'label['..(col_offset-0.8)..','..(row_offset+0.05)..';'..starts_west..']'..
'label['..(col_offset+1.0)..','..(row_offset+0.05)..';'..starts_east..']'..
'label['..(col_offset+0.1)..','..(row_offset-0.80)..';'..starts_north..']'..
'label['..(col_offset+0.1)..','..(row_offset+0.80)..';'..starts_south..']';
end
return formspec;
end
-- from areas modified with namespace
-- Modifies positions `pos1` and `pos2` so that each component of `pos1`
-- is less than or equal to its corresponding component of `pos2`,
-- returning the two positions.
function markers:sortPos(pos1, pos2)
if pos1.x > pos2.x then
pos2.x, pos1.x = pos1.x, pos2.x
end
if pos1.y > pos2.y then
pos2.y, pos1.y = pos1.y, pos2.y
end
if pos1.z > pos2.z then
pos2.z, pos1.z = pos1.z, pos2.z
end
return pos1, pos2
end