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Add ABM required neighbor check

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This commit is contained in:
Perttu Ahola 2011-12-03 18:18:59 +02:00
parent ac56053c74
commit 7d37913ea4
4 changed files with 84 additions and 3 deletions
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32
src/scriptapi.cpp
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@ -709,15 +709,18 @@ private:
int m_id;
std::set<std::string> m_trigger_contents;
std::set<std::string> m_required_neighbors;
float m_trigger_interval;
u32 m_trigger_chance;
public:
LuaABM(lua_State *L, int id,
const std::set<std::string> &trigger_contents,
const std::set<std::string> &required_neighbors,
float trigger_interval, u32 trigger_chance):
m_lua(L),
m_id(id),
m_trigger_contents(trigger_contents),
m_required_neighbors(required_neighbors),
m_trigger_interval(trigger_interval),
m_trigger_chance(trigger_chance)
{
@ -726,6 +729,10 @@ public:
{
return m_trigger_contents;
}
virtual std::set<std::string> getRequiredNeighbors()
{
return m_required_neighbors;
}
virtual float getTriggerInterval()
{
return m_trigger_interval;
@ -2575,7 +2582,9 @@ void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
lua_pushlightuserdata(L, env);
lua_setfield(L, LUA_REGISTRYINDEX, "minetest_env");
/* Add ActiveBlockModifiers to environment */
/*
Add ActiveBlockModifiers to environment
*/
// Get minetest.registered_abms
lua_getglobal(L, "minetest");
@ -2603,6 +2612,25 @@ void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
} else if(lua_isstring(L, -1)){
trigger_contents.insert(lua_tostring(L, -1));
}
lua_pop(L, 1);
std::set<std::string> required_neighbors;
lua_getfield(L, current_abm, "neighbors");
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
while(lua_next(L, table) != 0){
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TSTRING);
required_neighbors.insert(lua_tostring(L, -1));
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
} else if(lua_isstring(L, -1)){
required_neighbors.insert(lua_tostring(L, -1));
}
lua_pop(L, 1);
@ -2613,7 +2641,7 @@ void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
getintfield(L, current_abm, "chance", trigger_chance);
LuaABM *abm = new LuaABM(L, id, trigger_contents,
trigger_interval, trigger_chance);
required_neighbors, trigger_interval, trigger_chance);
env->addActiveBlockModifier(abm);