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-rw-r--r--src/script/cpp_api/s_env.cpp34
-rw-r--r--src/script/cpp_api/s_env.h5
2 files changed, 39 insertions, 0 deletions
diff --git a/src/script/cpp_api/s_env.cpp b/src/script/cpp_api/s_env.cpp
index c4a39a869..c11de3757 100644
--- a/src/script/cpp_api/s_env.cpp
+++ b/src/script/cpp_api/s_env.cpp
@@ -25,6 +25,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "mapgen/mapgen.h"
#include "lua_api/l_env.h"
#include "server.h"
+#include "script/common/c_content.h"
+
void ScriptApiEnv::environment_OnGenerated(v3s16 minp, v3s16 maxp,
u32 blockseed)
@@ -267,3 +269,35 @@ void ScriptApiEnv::on_emerge_area_completion(
luaL_unref(L, LUA_REGISTRYINDEX, state->args_ref);
}
}
+
+void ScriptApiEnv::on_liquid_transformed(
+ const std::vector<std::pair<v3s16, MapNode>> &list)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Get core.registered_on_liquid_transformed
+ lua_getglobal(L, "core");
+ lua_getfield(L, -1, "registered_on_liquid_transformed");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_remove(L, -2);
+
+ // Skip converting list and calling hook if there are
+ // no registered callbacks.
+ if(lua_objlen(L, -1) < 1) return;
+
+ // Convert the list to a pos array and a node array for lua
+ int index = 1;
+ const NodeDefManager *ndef = getEnv()->getGameDef()->ndef();
+ lua_createtable(L, list.size(), 0);
+ lua_createtable(L, list.size(), 0);
+ for(std::pair<v3s16, MapNode> p : list) {
+ lua_pushnumber(L, index);
+ push_v3s16(L, p.first);
+ lua_rawset(L, -4);
+ lua_pushnumber(L, index++);
+ pushnode(L, p.second, ndef);
+ lua_rawset(L, -3);
+ }
+
+ runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
+} \ No newline at end of file
diff --git a/src/script/cpp_api/s_env.h b/src/script/cpp_api/s_env.h
index 232a08aaf..090858f17 100644
--- a/src/script/cpp_api/s_env.h
+++ b/src/script/cpp_api/s_env.h
@@ -21,6 +21,8 @@ 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 <vector>
class ServerEnvironment;
struct ScriptCallbackState;
@@ -41,5 +43,8 @@ public:
void on_emerge_area_completion(v3s16 blockpos, int action,
ScriptCallbackState *state);
+ // Called after liquid transform changes
+ void on_liquid_transformed(const std::vector<std::pair<v3s16, MapNode>> &list);
+
void initializeEnvironment(ServerEnvironment *env);
};