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Add callback on_mapblocks_changed

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This commit is contained in:
Jude Melton-Houghton 2022-09-03 22:05:07 -04:00
parent 7701e70dc9
commit 5c248c2d7d
10 changed files with 141 additions and 6 deletions
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33
src/script/cpp_api/s_env.cpp
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@ -299,3 +299,36 @@ void ScriptApiEnv::on_liquid_transformed(
runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}
void ScriptApiEnv::on_mapblocks_changed(const std::unordered_set<v3s16> &set)
{
SCRIPTAPI_PRECHECKHEADER
// Get core.registered_on_mapblocks_changed
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_mapblocks_changed");
luaL_checktype(L, -1, LUA_TTABLE);
lua_remove(L, -2);
// Convert the set to a set of position hashes
lua_createtable(L, 0, set.size());
for(const v3s16 &p : set) {
lua_pushnumber(L, hash_node_position(p));
lua_pushboolean(L, true);
lua_rawset(L, -3);
}
lua_pushinteger(L, set.size());
runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}
bool ScriptApiEnv::has_on_mapblocks_changed()
{
SCRIPTAPI_PRECHECKHEADER
// Get core.registered_on_mapblocks_changed
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_mapblocks_changed");
luaL_checktype(L, -1, LUA_TTABLE);
return lua_objlen(L, -1) > 0;
}

7
src/script/cpp_api/s_env.h
View file

@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "cpp_api/s_base.h"
#include "irr_v3d.h"
#include "mapnode.h"
#include <unordered_set>
#include <vector>
class ServerEnvironment;
@ -48,5 +49,11 @@ public:
// Called after liquid transform changes
void on_liquid_transformed(const std::vector<std::pair<v3s16, MapNode>> &list);
// Called after mapblock changes
void on_mapblocks_changed(const std::unordered_set<v3s16> &set);
// Determines whether there are any on_mapblocks_changed callbacks
bool has_on_mapblocks_changed();
void initializeEnvironment(ServerEnvironment *env);
};