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fixed preview images regarding rotation and view from the back

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Sokomine 2015-04-17 04:43:20 +02:00
parent 1510ffba4b
commit 6390d18f76
1 changed files with 16 additions and 13 deletions
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29
build_chest.lua
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@ -88,15 +88,15 @@ end
-- creates a 2d preview image (or rather, the data structure for it) of the building -- creates a 2d preview image (or rather, the data structure for it) of the building
build_chest.create_preview_image = function( data, side ) build_chest.create_preview_image = function( data, side )
local params = {1, data.size.x, 1, 1, data.size.z, 1, 0}; local params = {1, data.size.x, 1, 1, data.size.z, 1, 0, 0};
if( side==1 ) then if( side==1 ) then
params = {1, data.size.x, 1, 1, data.size.z, 1, 0}; params = {1, data.size.x, 1, 1, data.size.z, 1, 0, 0};
elseif( side==2 ) then elseif( side==2 ) then
params = {1, data.size.z, 1, 1, data.size.x, 1, 1}; params = {1, data.size.z, 1, 1, data.size.x, 1, 1, 1};
elseif( side==3 ) then elseif( side==3 ) then
params = {1, data.size.x, 1, data.size.z, 1, -1, 0}; params = {1, data.size.x, 1, data.size.z, 1, -1, 0, 1};
elseif( side==4 ) then elseif( side==4 ) then
params = {1, data.size.z, 1, data.size.x, 1, -1, 1}; params = {1, data.size.z, 1, data.size.x, 1, -1, 1, 0};
end end
local preview = {}; local preview = {};
@ -105,6 +105,10 @@ build_chest.create_preview_image = function( data, side )
for x = params[1], params[2], params[3] do for x = params[1], params[2], params[3] do
local found = nil; local found = nil;
local z = params[4]; local z = params[4];
local target_x = x;
if( params[8]==1 ) then
target_x = math.max( params[1],params[2] )- x;
end
while( not( found ) and z~= params[5]) do while( not( found ) and z~= params[5]) do
local node = -1; local node = -1;
if( params[7]==0 ) then if( params[7]==0 ) then
@ -119,13 +123,13 @@ build_chest.create_preview_image = function( data, side )
and data.nodenames[ node[1] ] ~= 'mg:ignore' and data.nodenames[ node[1] ] ~= 'mg:ignore'
and data.nodenames[ node[1] ] ~= 'default:torch' ) then and data.nodenames[ node[1] ] ~= 'default:torch' ) then
-- a preview node is only set if there's no air there -- a preview node is only set if there's no air there
preview[y][x] = node[1]; preview[y][target_x] = node[1];
found = 1; found = 1;
end end
z = z+params[6]; z = z+params[6];
end end
if( not( found )) then if( not( found )) then
preview[y][x] = -1; preview[y][target_x] = -1;
end end
end end
end end
@ -186,7 +190,7 @@ build_chest.preview_image_formspec = function( building_name, replacements, side
end end
end end
end end
local side_name = {"front","left","back","right"}; local side_name = {"front","right","back","left"};
for i=1,4 do for i=1,4 do
if( i ~= side ) then if( i ~= side ) then
formspec = formspec.."button["..tostring(3.3+1.2*(i-1)).. formspec = formspec.."button["..tostring(3.3+1.2*(i-1))..
@ -218,11 +222,11 @@ build_chest.read_building = function( building_name )
-- create a 2d overview image (or rather, the data structure for it) -- create a 2d overview image (or rather, the data structure for it)
build_chest.building[ building_name ].preview = { build_chest.building[ building_name ].preview = {
build_chest.create_preview_image( res, 1 ),
build_chest.create_preview_image( res, 2 ), build_chest.create_preview_image( res, 2 ),
build_chest.create_preview_image( res, 3 ), build_chest.create_preview_image( res, 1 ),
build_chest.create_preview_image( res, 4 )}; build_chest.create_preview_image( res, 4 ),
--[[ build_chest.create_preview_image( res, 3 )};
-- the building might be stored in rotated form -- the building might be stored in rotated form
local data = build_chest.building[ building_name ]; local data = build_chest.building[ building_name ];
if( data.orients and #data.orients and data.orients[1] ) then if( data.orients and #data.orients and data.orients[1] ) then
@ -235,7 +239,6 @@ build_chest.read_building = function( building_name )
end end
build_chest.building[ building_name ].preview = data.preview; build_chest.building[ building_name ].preview = data.preview;
end end
--]]
return true; return true;
end end