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-rw-r--r--src/Bindings/LuaState.cpp122
1 files changed, 93 insertions, 29 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index ba2f3c5e0..2f5d173fd 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -16,6 +16,8 @@ extern "C"
#include "Bindings.h"
#include "ManualBindings.h"
#include "DeprecatedBindings.h"
+#include "../Entities/Entity.h"
+#include "../BlockEntities/BlockEntity.h"
// fwd: SQLite/lsqlite3.c
extern "C"
@@ -44,7 +46,7 @@ const cLuaState::cRet cLuaState::Return = {};
// cLuaState:
cLuaState::cLuaState(const AString & a_SubsystemName) :
- m_LuaState(NULL),
+ m_LuaState(nullptr),
m_IsOwned(false),
m_SubsystemName(a_SubsystemName),
m_NumCurrentFunctionArgs(-1)
@@ -88,7 +90,7 @@ cLuaState::~cLuaState()
void cLuaState::Create(void)
{
- if (m_LuaState != NULL)
+ if (m_LuaState != nullptr)
{
LOGWARNING("%s: Trying to create an already-existing LuaState, ignoring.", __FUNCTION__);
return;
@@ -117,7 +119,7 @@ void cLuaState::RegisterAPILibs(void)
void cLuaState::Close(void)
{
- if (m_LuaState == NULL)
+ if (m_LuaState == nullptr)
{
LOGWARNING("%s: Trying to close an invalid LuaState, ignoring.", __FUNCTION__);
return;
@@ -132,7 +134,7 @@ void cLuaState::Close(void)
return;
}
lua_close(m_LuaState);
- m_LuaState = NULL;
+ m_LuaState = nullptr;
m_IsOwned = false;
}
@@ -142,7 +144,7 @@ void cLuaState::Close(void)
void cLuaState::Attach(lua_State * a_State)
{
- if (m_LuaState != NULL)
+ if (m_LuaState != nullptr)
{
LOGINFO("%s: Already contains a LuaState (0x%p), will be closed / detached.", __FUNCTION__, m_LuaState);
if (m_IsOwned)
@@ -164,7 +166,7 @@ void cLuaState::Attach(lua_State * a_State)
void cLuaState::Detach(void)
{
- if (m_LuaState == NULL)
+ if (m_LuaState == nullptr)
{
return;
}
@@ -177,7 +179,7 @@ void cLuaState::Detach(void)
Close();
return;
}
- m_LuaState = NULL;
+ m_LuaState = nullptr;
}
@@ -520,7 +522,7 @@ void cLuaState::Push(cBlockEntity * a_BlockEntity)
{
ASSERT(IsValid());
- tolua_pushusertype(m_LuaState, a_BlockEntity, "cBlockEntity");
+ tolua_pushusertype(m_LuaState, a_BlockEntity, (a_BlockEntity == nullptr) ? "cBlockEntity" : a_BlockEntity->GetClass());
m_NumCurrentFunctionArgs += 1;
}
@@ -556,7 +558,61 @@ void cLuaState::Push(cEntity * a_Entity)
{
ASSERT(IsValid());
- tolua_pushusertype(m_LuaState, a_Entity, "cEntity");
+ if (a_Entity == nullptr)
+ {
+ lua_pushnil(m_LuaState);
+ }
+ else
+ {
+ switch (a_Entity->GetEntityType())
+ {
+ case cEntity::etMonster:
+ {
+ // Don't push specific mob types, as those are not exported in the API:
+ tolua_pushusertype(m_LuaState, a_Entity, "cMonster");
+ break;
+ }
+ case cEntity::etPlayer:
+ {
+ tolua_pushusertype(m_LuaState, a_Entity, "cPlayer");
+ break;
+ }
+ case cEntity::etPickup:
+ {
+ tolua_pushusertype(m_LuaState, a_Entity, "cPickup");
+ break;
+ }
+ case cEntity::etTNT:
+ {
+ tolua_pushusertype(m_LuaState, a_Entity, "cTNTEntity");
+ break;
+ }
+ case cEntity::etProjectile:
+ {
+ tolua_pushusertype(m_LuaState, a_Entity, a_Entity->GetClass());
+ break;
+ }
+ case cEntity::etFloater:
+ {
+ tolua_pushusertype(m_LuaState, a_Entity, "cFloater");
+ break;
+ }
+
+ case cEntity::etEntity:
+ case cEntity::etEnderCrystal:
+ case cEntity::etFallingBlock:
+ case cEntity::etMinecart:
+ case cEntity::etBoat:
+ case cEntity::etExpOrb:
+ case cEntity::etItemFrame:
+ case cEntity::etPainting:
+ {
+ // Push the generic entity class type:
+ tolua_pushusertype(m_LuaState, a_Entity, "cEntity");
+ }
+ } // switch (EntityType)
+ }
+
m_NumCurrentFunctionArgs += 1;
}
@@ -813,7 +869,7 @@ void cLuaState::GetStackValue(int a_StackPos, AString & a_Value)
{
size_t len = 0;
const char * data = lua_tolstring(m_LuaState, a_StackPos, &len);
- if (data != NULL)
+ if (data != nullptr)
{
a_Value.assign(data, len);
}
@@ -861,6 +917,11 @@ void cLuaState::GetStackValue(int a_StackPos, eWeather & a_ReturnedVal)
void cLuaState::GetStackValue(int a_StackPos, pBoundingBox & a_ReturnedVal)
{
+ if (lua_isnil(m_LuaState, a_StackPos))
+ {
+ a_ReturnedVal = nullptr;
+ return;
+ }
tolua_Error err;
if (tolua_isusertype(m_LuaState, a_StackPos, "cBoundingBox", false, &err))
{
@@ -874,6 +935,11 @@ void cLuaState::GetStackValue(int a_StackPos, pBoundingBox & a_ReturnedVal)
void cLuaState::GetStackValue(int a_StackPos, pWorld & a_ReturnedVal)
{
+ if (lua_isnil(m_LuaState, a_StackPos))
+ {
+ a_ReturnedVal = nullptr;
+ return;
+ }
tolua_Error err;
if (tolua_isusertype(m_LuaState, a_StackPos, "cWorld", false, &err))
{
@@ -936,7 +1002,7 @@ bool cLuaState::CheckParamUserTable(int a_StartParam, const char * a_UserTable,
lua_Debug entry;
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
- AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != NULL) ? entry.name : "?");
+ AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != nullptr) ? entry.name : "?");
tolua_error(m_LuaState, ErrMsg.c_str(), &tolua_err);
return false;
} // for i - Param
@@ -969,7 +1035,7 @@ bool cLuaState::CheckParamUserType(int a_StartParam, const char * a_UserType, in
lua_Debug entry;
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
- AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != NULL) ? entry.name : "?");
+ AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != nullptr) ? entry.name : "?");
tolua_error(m_LuaState, ErrMsg.c_str(), &tolua_err);
return false;
} // for i - Param
@@ -1002,7 +1068,7 @@ bool cLuaState::CheckParamTable(int a_StartParam, int a_EndParam)
lua_Debug entry;
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
- AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != NULL) ? entry.name : "?");
+ AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != nullptr) ? entry.name : "?");
tolua_error(m_LuaState, ErrMsg.c_str(), &tolua_err);
return false;
} // for i - Param
@@ -1035,7 +1101,7 @@ bool cLuaState::CheckParamNumber(int a_StartParam, int a_EndParam)
lua_Debug entry;
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
- AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != NULL) ? entry.name : "?");
+ AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != nullptr) ? entry.name : "?");
tolua_error(m_LuaState, ErrMsg.c_str(), &tolua_err);
return false;
} // for i - Param
@@ -1068,7 +1134,7 @@ bool cLuaState::CheckParamString(int a_StartParam, int a_EndParam)
lua_Debug entry;
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
- AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != NULL) ? entry.name : "?");
+ AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != nullptr) ? entry.name : "?");
tolua_error(m_LuaState, ErrMsg.c_str(), &tolua_err);
return false;
} // for i - Param
@@ -1101,7 +1167,7 @@ bool cLuaState::CheckParamFunction(int a_StartParam, int a_EndParam)
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
luaL_error(m_LuaState, "Error in function '%s' parameter #%d. Function expected, got %s",
- (entry.name != NULL) ? entry.name : "?", i, GetTypeText(i).c_str()
+ (entry.name != nullptr) ? entry.name : "?", i, GetTypeText(i).c_str()
);
return false;
} // for i - Param
@@ -1134,7 +1200,7 @@ bool cLuaState::CheckParamFunctionOrNil(int a_StartParam, int a_EndParam)
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
luaL_error(m_LuaState, "Error in function '%s' parameter #%d. Function expected, got %s",
- (entry.name != NULL) ? entry.name : "?", i, GetTypeText(i).c_str()
+ (entry.name != nullptr) ? entry.name : "?", i, GetTypeText(i).c_str()
);
return false;
} // for i - Param
@@ -1158,7 +1224,7 @@ bool cLuaState::CheckParamEnd(int a_Param)
lua_Debug entry;
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
- AString ErrMsg = Printf("#ferror in function '%s': Too many arguments.", (entry.name != NULL) ? entry.name : "?");
+ AString ErrMsg = Printf("#ferror in function '%s': Too many arguments.", (entry.name != nullptr) ? entry.name : "?");
tolua_error(m_LuaState, ErrMsg.c_str(), &tolua_err);
return false;
}
@@ -1337,7 +1403,7 @@ int cLuaState::CopyStackFrom(cLuaState & a_SrcLuaState, int a_SrcStart, int a_Sr
case LUA_TUSERDATA:
{
// Get the class name:
- const char * type = NULL;
+ const char * type = nullptr;
if (lua_getmetatable(a_SrcLuaState, i) == 0)
{
LOGWARNING("%s: Unknown class in pos %d, cannot copy.", __FUNCTION__, i);
@@ -1349,7 +1415,7 @@ int cLuaState::CopyStackFrom(cLuaState & a_SrcLuaState, int a_SrcStart, int a_Sr
lua_pop(a_SrcLuaState, 1); // Stack -1
// Copy the value:
- void * ud = tolua_touserdata(a_SrcLuaState, i, NULL);
+ void * ud = tolua_touserdata(a_SrcLuaState, i, nullptr);
tolua_pushusertype(m_LuaState, ud, type);
break;
}
@@ -1375,7 +1441,7 @@ void cLuaState::ToString(int a_StackPos, AString & a_String)
{
size_t len;
const char * s = lua_tolstring(m_LuaState, a_StackPos, &len);
- if (s != NULL)
+ if (s != nullptr)
{
a_String.assign(s, len);
}
@@ -1396,10 +1462,8 @@ void cLuaState::LogStack(const char * a_Header)
void cLuaState::LogStack(lua_State * a_LuaState, const char * a_Header)
{
- UNUSED(a_Header); // The param seems unused when compiling for release, so the compiler warns
-
// Format string consisting only of %s is used to appease the compiler
- LOGD("%s", (a_Header != NULL) ? a_Header : "Lua C API Stack contents:");
+ LOG("%s", (a_Header != nullptr) ? a_Header : "Lua C API Stack contents:");
for (int i = lua_gettop(a_LuaState); i > 0; i--)
{
AString Value;
@@ -1436,7 +1500,7 @@ int cLuaState::ReportFnCallErrors(lua_State * a_LuaState)
// cLuaState::cRef:
cLuaState::cRef::cRef(void) :
- m_LuaState(NULL),
+ m_LuaState(nullptr),
m_Ref(LUA_REFNIL)
{
}
@@ -1446,7 +1510,7 @@ cLuaState::cRef::cRef(void) :
cLuaState::cRef::cRef(cLuaState & a_LuaState, int a_StackPos) :
- m_LuaState(NULL),
+ m_LuaState(nullptr),
m_Ref(LUA_REFNIL)
{
RefStack(a_LuaState, a_StackPos);
@@ -1458,7 +1522,7 @@ cLuaState::cRef::cRef(cLuaState & a_LuaState, int a_StackPos) :
cLuaState::cRef::~cRef()
{
- if (m_LuaState != NULL)
+ if (m_LuaState != nullptr)
{
UnRef();
}
@@ -1471,7 +1535,7 @@ cLuaState::cRef::~cRef()
void cLuaState::cRef::RefStack(cLuaState & a_LuaState, int a_StackPos)
{
ASSERT(a_LuaState.IsValid());
- if (m_LuaState != NULL)
+ if (m_LuaState != nullptr)
{
UnRef();
}
@@ -1492,7 +1556,7 @@ void cLuaState::cRef::UnRef(void)
{
luaL_unref(*m_LuaState, LUA_REGISTRYINDEX, m_Ref);
}
- m_LuaState = NULL;
+ m_LuaState = nullptr;
m_Ref = LUA_REFNIL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 06:26:32 +0200