aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--builtin/game/register.lua1
-rw-r--r--doc/lua_api.txt6
-rw-r--r--src/map.cpp2
-rw-r--r--src/script/cpp_api/s_env.cpp34
-rw-r--r--src/script/cpp_api/s_env.h5
5 files changed, 47 insertions, 1 deletions
diff --git a/builtin/game/register.lua b/builtin/game/register.lua
index c07535855..56e40c75c 100644
--- a/builtin/game/register.lua
+++ b/builtin/game/register.lua
@@ -610,6 +610,7 @@ core.registered_on_modchannel_message, core.register_on_modchannel_message = mak
core.registered_on_player_inventory_actions, core.register_on_player_inventory_action = make_registration()
core.registered_allow_player_inventory_actions, core.register_allow_player_inventory_action = make_registration()
core.registered_on_rightclickplayers, core.register_on_rightclickplayer = make_registration()
+core.registered_on_liquid_transformed, core.register_on_liquid_transformed = make_registration()
--
-- Compatibility for on_mapgen_init()
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index aa59898d7..fc6d077e1 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -4859,6 +4859,12 @@ Call these functions only at load time!
* Called when an incoming mod channel message is received
* You should have joined some channels to receive events.
* If message comes from a server mod, `sender` field is an empty string.
+* `minetest.register_on_liquid_transformed(function(post_list, node_list))`
+ * Called after liquid nodes are modified by the engine's liquid transformation
+ process.
+ * `pos_list` is an array of all modified positions.
+ * `node_list` is an array of the old node that was previously at the position
+ with the corresponding index in pos_list.
Setting-related
---------------
diff --git a/src/map.cpp b/src/map.cpp
index 641287c3d..30ce064d6 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -829,7 +829,7 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> &modified_blocks,
m_transforming_liquid.push_back(iter);
voxalgo::update_lighting_nodes(this, changed_nodes, modified_blocks);
-
+ env->getScriptIface()->on_liquid_transformed(changed_nodes);
/* ----------------------------------------------------------------------
* Manage the queue so that it does not grow indefinately
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);
};