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mg_villages
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added improved height check

master
Sokomine 2014-08-06 03:00:43 +02:00
parent a5762456b4
commit 24a96e30bc
1 changed files with 72 additions and 17 deletions
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89
mapgen.lua
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@ -52,20 +52,39 @@ mg_villages.villages_in_mapchunk = function( minp )
end
mg_villages.node_is_ground = {}; -- store nodes which have previously been identified as ground
mg_villages.check_if_ground = function( ci )
if( not( ci )) then
return false;
end
if( mg_villages.node_is_ground[ ci ]) then
return true;
end
-- analyze the node
-- only nodes on which walking is possible may be counted as ground
local node_name = minetest.get_name_from_content_id( ci );
local def = minetest.registered_nodes[ node_name ];
if( def and def.walkable == true and def.is_ground_content == true) then
-- store information about this node type for later use
mg_villages.node_is_ground[ ci ] = 1;
return true;
end
end
-- adjust the terrain level to the respective height of the village
mg_villages.flatten_village_area = function( villages, village_noise, minp, maxp, vm, data, param2_data, a )
mg_villages.flatten_village_area = function( villages, village_noise, minp, maxp, vm, data, param2_data, a, village_area )
local c_air = minetest.get_content_id( 'air' );
local c_ignore = minetest.get_content_id( 'ignore' );
local c_stone = minetest.get_content_id( 'default:stone');
local c_dirt = minetest.get_content_id( 'default:dirt');
local c_dirt_with_grass = minetest.get_content_id( 'default:dirt_with_grass' );
local node_is_ground = {};
for z = minp.z, maxp.z do
for x = minp.x, maxp.x do
for _, village in ipairs(villages) do
if( mg_villages.inside_village(x, z, village, village_noise)) then
if( village_area[ x ][ z ][ 2 ] > 0 ) then -- inside a village
-- if( mg_villages.inside_village(x, z, village, village_noise)) then
local buffer = {};
local buffer_param2 = {};
local buffer_index = 0;
@ -73,18 +92,9 @@ mg_villages.flatten_village_area = function( villages, village_noise, minp, maxp
while( y > minp.y ) do
local ci = data[a:index(x, y, z)];
if( ci ~= c_air and ci ~= c_ignore and buffer_index == 0) then
if( node_is_ground[ ci ]) then
if( mg_villages.check_if_ground( ci ) == true) then
-- from now on, save the nodes below
buffer_index = 1;
else -- analyze the node
-- only nodes on which walking is possible may be counted as ground
local node_name = minetest.get_name_from_content_id( ci );
local def = minetest.registered_nodes[ node_name ];
if( def and def.walkable == true and def.is_ground_content == true) then
-- from now on, save the nodes below
buffer_index = 1;
-- store information about this node type for later use
node_is_ground[ ci ] = 1;
end
end
end
-- save found nodes for later use
@ -175,7 +185,8 @@ mg_villages.place_villages_via_voxelmanip = function( villages, minp, maxp, vm,
end
end
-- mark the rest ( inside_village but not part of an actual building) as well
for x = minp.x, maxp.x do
if( not( village_area[ x ] )) then
village_area[ x ] = {};
@ -193,7 +204,47 @@ mg_villages.place_villages_via_voxelmanip = function( villages, minp, maxp, vm,
end
end
mg_villages.flatten_village_area( villages, village_noise, minp, maxp, vm, data, param2_data, a );
local height_sum = {};
local height_count = {};
-- initialize the variables for counting
for village_nr, village in ipairs( villages ) do
height_sum[ village_nr ] = 0;
height_count[ village_nr ] = 0;
end
-- try to find the optimal village height by looking at the borders defined by inside_village
for x = minp.x+1, maxp.x-1 do
for z = minp.z+1, maxp.z-1 do
if( village_area[ x ][ z ][ 2 ] ~= 0
and village_area[ x ][ z ][ 1 ] ~= 0
and ( village_area[ x+1 ][ z ][ 2 ] == 0
or village_area[ x-1 ][ z ][ 2 ] == 0
or village_area[ x ][ z+1 ][ 2 ] == 0
or village_area[ x ][ z-1 ][ 2 ] == 0 )) then
y = maxp.y;
while( y > minp.y and y >= 0) do
local ci = data[a:index(x, y, z)];
if( ci ~= c_air and ci ~= c_ignore and mg_villages.check_if_ground( ci ) == true) then
local village_nr = village_area[ x ][ z ][ 1 ];
height_sum[ village_nr ] = height_sum[ village_nr ] + y;
height_count[ village_nr ] = height_count[ village_nr ] + 1;
y = minp.y - 1;
end
y = y-1;
end
end
end
end
for village_nr, village in ipairs( villages ) do
if( height_count[ village_nr ] > 0 ) then
local ideal_height = math.floor( height_sum[ village_nr ] / height_count[ village_nr ]);
print('For village_nr '..tostring( village_nr )..', a height of '..tostring( ideal_height )..' would be optimal. Sum: '..tostring( height_sum[ village_nr ] )..' Count: '..tostring( height_count[ village_nr ])..'. VS: '..tostring( village.vs)); -- TODO
end
end
mg_villages.flatten_village_area( villages, village_noise, minp, maxp, vm, data, param2_data, a, village_area );
local top_node = 'default:dirt_with_grass';
-- replace dirt_with_grass with whatever is common in that biome
@ -214,6 +265,10 @@ mg_villages.place_villages_via_voxelmanip = function( villages, minp, maxp, vm,
local c_wheat = minetest.get_content_id( 'farming:wheat_8' );
local c_soil_wet = minetest.get_content_id( 'farming:soil_wet' );
local c_soil_sand = minetest.get_content_id( 'farming:desert_sand_soil_wet' );
-- desert sand soil is only available in minetest_next
if( not( c_soil_sand )) then
c_soil_sand = c_soil_wet;
end
local c_water_source = minetest.get_content_id( 'default:water_source');
local c_clay = minetest.get_content_id( 'default:clay');
for x = minp.x, maxp.x do