mirror of
https://github.com/minetest/minetest.git
synced 2024-09-12 00:26:50 +02:00
Add minetest.get_mapgen_edges
(#12999)
This commit is contained in:
parent
e84d259ec7
commit
b3ffc4b327
@ -5628,6 +5628,13 @@ Environment access
|
|||||||
prefix `"no"` is attached, clears instead.
|
prefix `"no"` is attached, clears instead.
|
||||||
* `flags` is in the same format and has the same options as `mg_flags` in
|
* `flags` is in the same format and has the same options as `mg_flags` in
|
||||||
`minetest.conf`.
|
`minetest.conf`.
|
||||||
|
* `minetest.get_mapgen_edges([mapgen_limit[, chunksize]])`
|
||||||
|
* Returns the minimum and maximum possible generated node positions
|
||||||
|
in that order.
|
||||||
|
* `mapgen_limit` is an optional number. If it is absent, its value is that
|
||||||
|
of the *active* mapgen setting `"mapgen_limit"`.
|
||||||
|
* `chunksize` is an optional number. If it is absent, its value is that
|
||||||
|
of the *active* mapgen setting `"chunksize"`.
|
||||||
* `minetest.get_mapgen_setting(name)`
|
* `minetest.get_mapgen_setting(name)`
|
||||||
* Gets the *active* mapgen setting (or nil if none exists) in string
|
* Gets the *active* mapgen setting (or nil if none exists) in string
|
||||||
format with the following order of precedence:
|
format with the following order of precedence:
|
||||||
|
@ -110,3 +110,40 @@ local function test_game_info()
|
|||||||
assert(info.title == game_conf:get("title"))
|
assert(info.title == game_conf:get("title"))
|
||||||
end
|
end
|
||||||
unittests.register("test_game_info", test_game_info)
|
unittests.register("test_game_info", test_game_info)
|
||||||
|
|
||||||
|
local function test_mapgen_edges(cb)
|
||||||
|
-- Test that the map can extend to the expected edges and no further.
|
||||||
|
local min_edge, max_edge = minetest.get_mapgen_edges()
|
||||||
|
local min_finished = {}
|
||||||
|
local max_finished = {}
|
||||||
|
local function finish()
|
||||||
|
if #min_finished ~= 1 then
|
||||||
|
return cb("Expected 1 block to emerge around mapgen minimum edge")
|
||||||
|
end
|
||||||
|
if min_finished[1] ~= (min_edge / minetest.MAP_BLOCKSIZE):floor() then
|
||||||
|
return cb("Expected block within minimum edge to emerge")
|
||||||
|
end
|
||||||
|
if #max_finished ~= 1 then
|
||||||
|
return cb("Expected 1 block to emerge around mapgen maximum edge")
|
||||||
|
end
|
||||||
|
if max_finished[1] ~= (max_edge / minetest.MAP_BLOCKSIZE):floor() then
|
||||||
|
return cb("Expected block within maximum edge to emerge")
|
||||||
|
end
|
||||||
|
return cb()
|
||||||
|
end
|
||||||
|
local emerges_left = 2
|
||||||
|
local function emerge_block(blockpos, action, blocks_left, finished)
|
||||||
|
if action ~= minetest.EMERGE_CANCELLED then
|
||||||
|
table.insert(finished, blockpos)
|
||||||
|
end
|
||||||
|
if blocks_left == 0 then
|
||||||
|
emerges_left = emerges_left - 1
|
||||||
|
if emerges_left == 0 then
|
||||||
|
return finish()
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
minetest.emerge_area(min_edge:subtract(1), min_edge, emerge_block, min_finished)
|
||||||
|
minetest.emerge_area(max_edge, max_edge:add(1), emerge_block, max_finished)
|
||||||
|
end
|
||||||
|
unittests.register("test_mapgen_edges", test_mapgen_edges, {map=true, async=true})
|
||||||
|
@ -1063,9 +1063,20 @@ void MapgenParams::writeParams(Settings *settings) const
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
// Calculate exact edges of the outermost mapchunks that are within the
|
s32 MapgenParams::getSpawnRangeMax()
|
||||||
// set 'mapgen_limit'.
|
{
|
||||||
void MapgenParams::calcMapgenEdges()
|
if (!m_mapgen_edges_calculated) {
|
||||||
|
std::pair<s16, s16> edges = get_mapgen_edges(mapgen_limit, chunksize);
|
||||||
|
mapgen_edge_min = edges.first;
|
||||||
|
mapgen_edge_max = edges.second;
|
||||||
|
m_mapgen_edges_calculated = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
return MYMIN(-mapgen_edge_min, mapgen_edge_max);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
std::pair<s16, s16> get_mapgen_edges(s16 mapgen_limit, s16 chunksize)
|
||||||
{
|
{
|
||||||
// Central chunk offset, in blocks
|
// Central chunk offset, in blocks
|
||||||
s16 ccoff_b = -chunksize / 2;
|
s16 ccoff_b = -chunksize / 2;
|
||||||
@ -1089,17 +1100,5 @@ void MapgenParams::calcMapgenEdges()
|
|||||||
s16 numcmin = MYMAX((ccfmin - mapgen_limit_min) / csize_n, 0);
|
s16 numcmin = MYMAX((ccfmin - mapgen_limit_min) / csize_n, 0);
|
||||||
s16 numcmax = MYMAX((mapgen_limit_max - ccfmax) / csize_n, 0);
|
s16 numcmax = MYMAX((mapgen_limit_max - ccfmax) / csize_n, 0);
|
||||||
// Mapgen edges, in nodes
|
// Mapgen edges, in nodes
|
||||||
mapgen_edge_min = ccmin - numcmin * csize_n;
|
return std::pair<s16, s16>(ccmin - numcmin * csize_n, ccmax + numcmax * csize_n);
|
||||||
mapgen_edge_max = ccmax + numcmax * csize_n;
|
|
||||||
|
|
||||||
m_mapgen_edges_calculated = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
s32 MapgenParams::getSpawnRangeMax()
|
|
||||||
{
|
|
||||||
if (!m_mapgen_edges_calculated)
|
|
||||||
calcMapgenEdges();
|
|
||||||
|
|
||||||
return MYMIN(-mapgen_edge_min, mapgen_edge_max);
|
|
||||||
}
|
}
|
||||||
|
@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
|
|||||||
#include "nodedef.h"
|
#include "nodedef.h"
|
||||||
#include "util/string.h"
|
#include "util/string.h"
|
||||||
#include "util/container.h"
|
#include "util/container.h"
|
||||||
|
#include <utility>
|
||||||
|
|
||||||
#define MAPGEN_DEFAULT MAPGEN_V7
|
#define MAPGEN_DEFAULT MAPGEN_V7
|
||||||
#define MAPGEN_DEFAULT_NAME "v7"
|
#define MAPGEN_DEFAULT_NAME "v7"
|
||||||
@ -139,7 +140,6 @@ struct MapgenParams {
|
|||||||
s32 getSpawnRangeMax();
|
s32 getSpawnRangeMax();
|
||||||
|
|
||||||
private:
|
private:
|
||||||
void calcMapgenEdges();
|
|
||||||
bool m_mapgen_edges_calculated = false;
|
bool m_mapgen_edges_calculated = false;
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -329,3 +329,7 @@ protected:
|
|||||||
s16 dungeon_ymin;
|
s16 dungeon_ymin;
|
||||||
s16 dungeon_ymax;
|
s16 dungeon_ymax;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
// Calculate exact edges of the outermost mapchunks that are within the set
|
||||||
|
// mapgen_limit. Returns the minimum and maximum edges in nodes in that order.
|
||||||
|
std::pair<s16, s16> get_mapgen_edges(s16 mapgen_limit, s16 chunksize);
|
||||||
|
@ -810,6 +810,41 @@ int ModApiMapgen::l_set_mapgen_params(lua_State *L)
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// get_mapgen_edges([mapgen_limit[, chunksize]])
|
||||||
|
int ModApiMapgen::l_get_mapgen_edges(lua_State *L)
|
||||||
|
{
|
||||||
|
NO_MAP_LOCK_REQUIRED;
|
||||||
|
|
||||||
|
MapSettingsManager *settingsmgr = getServer(L)->getEmergeManager()->map_settings_mgr;
|
||||||
|
|
||||||
|
// MapSettingsManager::makeMapgenParams cannot be used here because it would
|
||||||
|
// make mapgen settings immutable from then on. Mapgen settings should stay
|
||||||
|
// mutable until after mod loading ends.
|
||||||
|
|
||||||
|
s16 mapgen_limit;
|
||||||
|
if (lua_isnumber(L, 1)) {
|
||||||
|
mapgen_limit = lua_tointeger(L, 1);
|
||||||
|
} else {
|
||||||
|
std::string mapgen_limit_str;
|
||||||
|
settingsmgr->getMapSetting("mapgen_limit", &mapgen_limit_str);
|
||||||
|
mapgen_limit = stoi(mapgen_limit_str, 0, MAX_MAP_GENERATION_LIMIT);
|
||||||
|
}
|
||||||
|
|
||||||
|
s16 chunksize;
|
||||||
|
if (lua_isnumber(L, 2)) {
|
||||||
|
chunksize = lua_tointeger(L, 2);
|
||||||
|
} else {
|
||||||
|
std::string chunksize_str;
|
||||||
|
settingsmgr->getMapSetting("chunksize", &chunksize_str);
|
||||||
|
chunksize = stoi(chunksize_str, -32768, 32767);
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> edges = get_mapgen_edges(mapgen_limit, chunksize);
|
||||||
|
push_v3s16(L, v3s16(1, 1, 1) * edges.first);
|
||||||
|
push_v3s16(L, v3s16(1, 1, 1) * edges.second);
|
||||||
|
return 2;
|
||||||
|
}
|
||||||
|
|
||||||
// get_mapgen_setting(name)
|
// get_mapgen_setting(name)
|
||||||
int ModApiMapgen::l_get_mapgen_setting(lua_State *L)
|
int ModApiMapgen::l_get_mapgen_setting(lua_State *L)
|
||||||
{
|
{
|
||||||
@ -1782,6 +1817,7 @@ void ModApiMapgen::Initialize(lua_State *L, int top)
|
|||||||
|
|
||||||
API_FCT(get_mapgen_params);
|
API_FCT(get_mapgen_params);
|
||||||
API_FCT(set_mapgen_params);
|
API_FCT(set_mapgen_params);
|
||||||
|
API_FCT(get_mapgen_edges);
|
||||||
API_FCT(get_mapgen_setting);
|
API_FCT(get_mapgen_setting);
|
||||||
API_FCT(set_mapgen_setting);
|
API_FCT(set_mapgen_setting);
|
||||||
API_FCT(get_mapgen_setting_noiseparams);
|
API_FCT(get_mapgen_setting_noiseparams);
|
||||||
|
@ -61,6 +61,9 @@ private:
|
|||||||
// set mapgen parameters
|
// set mapgen parameters
|
||||||
static int l_set_mapgen_params(lua_State *L);
|
static int l_set_mapgen_params(lua_State *L);
|
||||||
|
|
||||||
|
// get_mapgen_edges([mapgen_limit[, chunksize]])
|
||||||
|
static int l_get_mapgen_edges(lua_State *L);
|
||||||
|
|
||||||
// get_mapgen_setting(name)
|
// get_mapgen_setting(name)
|
||||||
static int l_get_mapgen_setting(lua_State *L);
|
static int l_get_mapgen_setting(lua_State *L);
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user