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-rw-r--r--src/script/cpp_api/s_env.cpp8
-rw-r--r--src/script/lua_api/l_env.h16
-rw-r--r--src/serverenvironment.cpp8
-rw-r--r--src/serverenvironment.h4
4 files changed, 33 insertions, 3 deletions
diff --git a/src/script/cpp_api/s_env.cpp b/src/script/cpp_api/s_env.cpp
index 8da5debaa..c4a39a869 100644
--- a/src/script/cpp_api/s_env.cpp
+++ b/src/script/cpp_api/s_env.cpp
@@ -150,13 +150,19 @@ void ScriptApiEnv::initializeEnvironment(ServerEnvironment *env)
bool simple_catch_up = true;
getboolfield(L, current_abm, "catch_up", simple_catch_up);
+
+ s16 min_y = INT16_MIN;
+ getintfield(L, current_abm, "min_y", min_y);
+
+ s16 max_y = INT16_MAX;
+ getintfield(L, current_abm, "max_y", max_y);
lua_getfield(L, current_abm, "action");
luaL_checktype(L, current_abm + 1, LUA_TFUNCTION);
lua_pop(L, 1);
LuaABM *abm = new LuaABM(L, id, trigger_contents, required_neighbors,
- trigger_interval, trigger_chance, simple_catch_up);
+ trigger_interval, trigger_chance, simple_catch_up, min_y, max_y);
env->addActiveBlockModifier(abm);
diff --git a/src/script/lua_api/l_env.h b/src/script/lua_api/l_env.h
index 979b13c40..67c76faae 100644
--- a/src/script/lua_api/l_env.h
+++ b/src/script/lua_api/l_env.h
@@ -223,17 +223,21 @@ private:
float m_trigger_interval;
u32 m_trigger_chance;
bool m_simple_catch_up;
+ s16 m_min_y;
+ s16 m_max_y;
public:
LuaABM(lua_State *L, int id,
const std::vector<std::string> &trigger_contents,
const std::vector<std::string> &required_neighbors,
- float trigger_interval, u32 trigger_chance, bool simple_catch_up):
+ float trigger_interval, u32 trigger_chance, bool simple_catch_up, s16 min_y, s16 max_y):
m_id(id),
m_trigger_contents(trigger_contents),
m_required_neighbors(required_neighbors),
m_trigger_interval(trigger_interval),
m_trigger_chance(trigger_chance),
- m_simple_catch_up(simple_catch_up)
+ m_simple_catch_up(simple_catch_up),
+ m_min_y(min_y),
+ m_max_y(max_y)
{
}
virtual const std::vector<std::string> &getTriggerContents() const
@@ -256,6 +260,14 @@ public:
{
return m_simple_catch_up;
}
+ virtual s16 getMinY()
+ {
+ return m_min_y;
+ }
+ virtual s16 getMaxY()
+ {
+ return m_max_y;
+ }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
u32 active_object_count, u32 active_object_count_wider);
};
diff --git a/src/serverenvironment.cpp b/src/serverenvironment.cpp
index 413a785e6..f3711652c 100644
--- a/src/serverenvironment.cpp
+++ b/src/serverenvironment.cpp
@@ -729,6 +729,8 @@ struct ActiveABM
int chance;
std::vector<content_t> required_neighbors;
bool check_required_neighbors; // false if required_neighbors is known to be empty
+ s16 min_y;
+ s16 max_y;
};
class ABMHandler
@@ -773,6 +775,9 @@ public:
} else {
aabm.chance = chance;
}
+ // y limits
+ aabm.min_y = abm->getMinY();
+ aabm.max_y = abm->getMaxY();
// Trigger neighbors
const std::vector<std::string> &required_neighbors_s =
@@ -885,6 +890,9 @@ public:
v3s16 p = p0 + block->getPosRelative();
for (ActiveABM &aabm : *m_aabms[c]) {
+ if ((p.Y < aabm.min_y) || (p.Y > aabm.max_y))
+ continue;
+
if (myrand() % aabm.chance != 0)
continue;
diff --git a/src/serverenvironment.h b/src/serverenvironment.h
index c5ca463ee..8733c2dd2 100644
--- a/src/serverenvironment.h
+++ b/src/serverenvironment.h
@@ -67,6 +67,10 @@ public:
virtual u32 getTriggerChance() = 0;
// Whether to modify chance to simulate time lost by an unnattended block
virtual bool getSimpleCatchUp() = 0;
+ // get min Y for apply abm
+ virtual s16 getMinY() = 0;
+ // get max Y for apply abm
+ virtual s16 getMaxY() = 0;
// This is called usually at interval for 1/chance of the nodes
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n){};
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,