LuaVoxelManip: Add option to allocate blank data

This commit is contained in:
kwolekr 2014-12-27 23:09:36 -05:00
parent ae2721f2c8
commit 8334100fe1
6 changed files with 60 additions and 4 deletions

@ -1594,6 +1594,8 @@ minetest.get_perlin(seeddiff, octaves, persistence, scale)
^ Return world-specific perlin noise (int(worldseed)+seeddiff)
minetest.get_voxel_manip()
^ Return voxel manipulator object
minetest.get_voxel_manip(p1, p2)
^ Return voxel manipulator object with blank data preallocated
minetest.set_gen_notify(flags, {deco_ids})
^ Set the types of on-generate notifications that should be collected
^ flags is a flag field with the available flags:
@ -2192,6 +2194,7 @@ methods:
VoxelManip: An interface to the MapVoxelManipulator for Lua
- Can be created via VoxelManip()
- Also minetest.get_voxel_manip()
- Specify a pmin, pmax in either to allocate a blank chunk of data prefilled with cignore
methods:
- read_from_map(p1, p2): Reads a chunk of map from the map containing the region formed by p1 and p2.
^ returns actual emerged pmin, actual emerged pmax
@ -2223,6 +2226,7 @@ methods:
- update_liquids(): Update liquid flow
- was_modified(): Returns true or false if the data in the voxel manipulator had been modified since
the last read from map, due to a call to minetest.set_data() on the loaded area elsewhere
- get_emerged_area(): Returns actual emerged pmin, actual emerged pmax
VoxelArea: A helper class for voxel areas
- Can be created via VoxelArea:new{MinEdge=pmin, MaxEdge=pmax}

@ -3597,8 +3597,31 @@ ManualMapVoxelManipulator::~ManualMapVoxelManipulator()
{
}
void ManualMapVoxelManipulator::initializeBlank(v3s16 blockpos_min,
v3s16 blockpos_max)
{
// Units of these are MapBlocks
v3s16 pmin = blockpos_min;
v3s16 pmax = blockpos_max;
VoxelArea block_area_nodes(pmin * MAP_BLOCKSIZE,
(pmax + 1) * MAP_BLOCKSIZE - v3s16(1,1,1));
addArea(block_area_nodes);
u32 extent = m_area.getVolume();
for (u32 i = 0; i != extent; i++)
m_data[i] = MapNode(CONTENT_IGNORE);
for (s32 z = pmin.Z; z <= pmax.Z; z++)
for (s32 y = pmin.Y; y <= pmax.Y; y++)
for (s32 x = pmin.X; x <= pmax.X; x++)
m_loaded_blocks[v3s16(x, y, z)] = 0;
m_is_dirty = false;
}
void ManualMapVoxelManipulator::initialEmerge(v3s16 blockpos_min,
v3s16 blockpos_max, bool load_if_inexistent)
v3s16 blockpos_max, bool load_if_inexistent)
{
TimeTaker timer1("initialEmerge", &emerge_time);

@ -550,12 +550,14 @@ public:
void setMap(Map *map)
{m_map = map;}
void initializeBlank(v3s16 pmin, v3s16 pmax);
void initialEmerge(v3s16 blockpos_min, v3s16 blockpos_max,
bool load_if_inexistent = true);
bool load_if_inexistent = true);
// This is much faster with big chunks of generated data
void blitBackAll(std::map<v3s16, MapBlock*> * modified_blocks,
bool overwrite_generated = true);
bool overwrite_generated = true);
bool m_is_dirty;

@ -638,6 +638,13 @@ int ModApiEnvMod::l_get_voxel_manip(lua_State *L)
Map *map = &(env->getMap());
LuaVoxelManip *o = new LuaVoxelManip(map);
if (lua_istable(L, 1) && lua_istable(L, 2)) {
v3s16 p1 = getNodeBlockPos(read_v3s16(L, 1));
v3s16 p2 = getNodeBlockPos(read_v3s16(L, 2));
sortBoxVerticies(p1, p2);
o->vm->initializeBlank(p1, p2);
}
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, "VoxelManip");
lua_setmetatable(L, -2);

@ -345,6 +345,16 @@ int LuaVoxelManip::l_was_modified(lua_State *L)
return 1;
}
int LuaVoxelManip::l_get_emerged_area(lua_State *L)
{
LuaVoxelManip *o = checkobject(L, 1);
push_v3s16(L, o->vm->m_area.MinEdge);
push_v3s16(L, o->vm->m_area.MaxEdge);
return 2;
}
LuaVoxelManip::LuaVoxelManip(ManualMapVoxelManipulator *mmvm, bool is_mg_vm)
{
this->vm = mmvm;
@ -376,6 +386,13 @@ int LuaVoxelManip::create_object(lua_State *L)
Map *map = &(env->getMap());
LuaVoxelManip *o = new LuaVoxelManip(map);
if (lua_istable(L, 1) && lua_istable(L, 2)) {
v3s16 p1 = getNodeBlockPos(read_v3s16(L, 1));
v3s16 p2 = getNodeBlockPos(read_v3s16(L, 2));
sortBoxVerticies(p1, p2);
o->vm->initializeBlank(p1, p2);
}
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
@ -440,5 +457,6 @@ const luaL_reg LuaVoxelManip::methods[] = {
luamethod(LuaVoxelManip, get_param2_data),
luamethod(LuaVoxelManip, set_param2_data),
luamethod(LuaVoxelManip, was_modified),
luamethod(LuaVoxelManip, get_emerged_area),
{0,0}
};

@ -33,7 +33,6 @@ class ManualMapVoxelManipulator;
*/
class LuaVoxelManip : public ModApiBase {
private:
ManualMapVoxelManipulator *vm;
std::map<v3s16, MapBlock *> modified_blocks;
bool is_mapgen_vm;
@ -62,8 +61,11 @@ private:
static int l_set_param2_data(lua_State *L);
static int l_was_modified(lua_State *L);
static int l_get_emerged_area(lua_State *L);
public:
ManualMapVoxelManipulator *vm;
LuaVoxelManip(ManualMapVoxelManipulator *mmvm, bool is_mapgen_vm);
LuaVoxelManip(Map *map);
~LuaVoxelManip();