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mcl_multi_map
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Enabled layer generation starting chunk, so layers can now start 

generating at a different y position above -30912
This commit is contained in:
evrooije 2018-07-22 23:48:46 +02:00
parent 23fd0b8eb3
commit 44b8ee2807
1 changed files with 12 additions and 11 deletions
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23
multi_map_core/init.lua
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@ -6,11 +6,12 @@ if not mm then
end
multi_map.number_of_layers = 24 -- How may layers to generate
multi_map.layers_start_chunk = 0 -- Y level where to start generatint layers, in chunks
multi_map.layers_start_chunk = 0 -- Y level where to start generating layers, in chunks
multi_map.layer_height_chunks = 32 -- Height of each layer, in chunks
-- Either engine defaults or derived from above values
multi_map.layer_height = multi_map.layer_height_chunks * 80
multi_map.layers_start = multi_map.layers_start_chunk * 80
multi_map.map_height = 61840
multi_map.map_min = -30912
multi_map.map_max = 30927
@ -34,8 +35,8 @@ multi_map.fallback_generator = nil
-- y = absolute y value to be translated to layer
function multi_map.set_current_layer(y)
for l = 0, multi_map.number_of_layers do
if y >= multi_map.map_min + (l * multi_map.layer_height)
and y < multi_map.map_min + ((l + 1) * multi_map.layer_height)
if y >= multi_map.map_min + multi_map.layers_start + (l * multi_map.layer_height)
and y < multi_map.map_min + multi_map.layers_start + ((l + 1) * multi_map.layer_height)
then
multi_map.current_layer = l
end
@ -44,16 +45,16 @@ end
function multi_map.get_absolute_centerpoint(current_layer)
if current_layer then
return multi_map.map_min + (current_layer * multi_map.layer_height) + multi_map.half_layer_height
return multi_map.map_min + multi_map.layers_start + (current_layer * multi_map.layer_height) + multi_map.half_layer_height
else
return multi_map.map_min + (multi_map.current_layer * multi_map.layer_height) + multi_map.half_layer_height
return multi_map.map_min + multi_map.layers_start + (multi_map.current_layer * multi_map.layer_height) + multi_map.half_layer_height
end
end
-- Get the offset y position, i.e. the y relative to the current layer's center point
-- y = absolute y value to be translated to y relative to layer center point
function multi_map.get_offset_y(y)
local center_point = multi_map.map_min + (multi_map.current_layer * multi_map.layer_height) + multi_map.half_layer_height
local center_point = multi_map.map_min + multi_map.layers_start + (multi_map.current_layer * multi_map.layer_height) + multi_map.half_layer_height
if center_point > 0 and y > 0 then
return math.abs(y) - math.abs(center_point)
@ -70,7 +71,7 @@ end
-- layer = the layer we are in
-- y = relative y value to be translated to absolute world y position
function multi_map.get_absolute_y(layer, y)
local center_point = multi_map.map_min + (multi_map.current_layer * multi_map.layer_height) + multi_map.half_layer_height
local center_point = multi_map.map_min + multi_map.layers_start + (multi_map.current_layer * multi_map.layer_height) + multi_map.half_layer_height
return y - center_point
end
@ -173,7 +174,7 @@ multi_map.node = setmetatable({}, {
})
minetest.register_on_mapgen_init(function(mapgen_params)
if multi_map.number_of_layers * multi_map.layer_height > multi_map.map_height then
if multi_map.layers_start + (multi_map.number_of_layers * multi_map.layer_height) > multi_map.map_height then
minetest.log("error", "Number of layers for the given layer height exceeds map height!")
end
minetest.set_mapgen_params({mgname="singlenode"})
@ -191,7 +192,7 @@ minetest.register_on_generated(function(minp, maxp)
local offset_maxp = { x = maxp.x, y = multi_map.get_offset_y(maxp.y), z = maxp.z }
if multi_map.generate_bedrock and
multi_map.map_min + (multi_map.layer_height * multi_map.current_layer) == minp.y
multi_map.map_min + multi_map.layers_start + (multi_map.layer_height * multi_map.current_layer) == minp.y
then
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
@ -203,8 +204,8 @@ minetest.register_on_generated(function(minp, maxp)
vm:calc_lighting(false)
vm:write_to_map(false)
elseif multi_map.generate_skyrock
and (multi_map.map_min + (multi_map.layer_height * (multi_map.current_layer + 1)) - 80 == minp.y or
multi_map.map_min + (multi_map.layer_height * (multi_map.current_layer + 1)) - 160 == minp.y
and (multi_map.map_min + multi_map.layers_start + (multi_map.layer_height * (multi_map.current_layer + 1)) - 80 == minp.y or
multi_map.map_min + multi_map.layers_start + (multi_map.layer_height * (multi_map.current_layer + 1)) - 160 == minp.y
)
then
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")