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Add EnvRef:get_node_light(pos, timeofday)

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This commit is contained in:
Perttu Ahola 2011-12-04 15:55:37 +02:00
parent 4cc117ddf6
commit 09c48b60bd
2 changed files with 31 additions and 0 deletions
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2
data/mods/default/init.lua
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@ -146,6 +146,8 @@
-- ^ Returns {name="ignore", ...} for unloaded area
-- - get_node_or_nil(pos)
-- ^ Returns nil for unloaded area
-- - get_node_light(pos, timeofday) -> 0...15 or nil
-- ^ timeofday: nil = current time, 0 = night, 0.5 = day
-- - add_luaentity(pos, name)
-- - add_item(pos, itemstring)
-- - add_rat(pos)

29
src/scriptapi.cpp
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@ -2402,6 +2402,34 @@ private:
}
}
// EnvRef:get_node_light(pos, timeofday)
// pos = {x=num, y=num, z=num}
// timeofday: nil = current time, 0 = night, 0.5 = day
static int l_get_node_light(lua_State *L)
{
EnvRef *o = checkobject(L, 1);
ServerEnvironment *env = o->m_env;
if(env == NULL) return 0;
// Do it
v3s16 pos = readpos(L, 2);
u32 time_of_day = env->getTimeOfDay();
if(lua_isnumber(L, 3))
time_of_day = 24000.0 * lua_tonumber(L, 3);
time_of_day %= 24000;
u32 dnr = time_to_daynight_ratio(time_of_day);
MapNode n = env->getMap().getNodeNoEx(pos);
try{
MapNode n = env->getMap().getNode(pos);
INodeDefManager *ndef = env->getGameDef()->ndef();
lua_pushinteger(L, n.getLightBlend(dnr, ndef));
return 1;
} catch(InvalidPositionException &e)
{
lua_pushnil(L);
return 1;
}
}
// EnvRef:add_luaentity(pos, entityname)
// pos = {x=num, y=num, z=num}
static int l_add_luaentity(lua_State *L)
@ -2571,6 +2599,7 @@ const luaL_reg EnvRef::methods[] = {
method(EnvRef, remove_node),
method(EnvRef, get_node),
method(EnvRef, get_node_or_nil),
method(EnvRef, get_node_light),
method(EnvRef, add_luaentity),
method(EnvRef, add_item),
method(EnvRef, add_rat),