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Handle VOXELFLAG_NO_DATA when in VManip get_data()

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sfan5 2024-10-07 18:12:18 +02:00
parent 6d5103900f
commit 41091a147c
1 changed files with 15 additions and 9 deletions
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24
src/script/lua_api/l_vmanip.cpp
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@ -71,8 +71,7 @@ int LuaVoxelManip::l_get_data(lua_State *L)
bool use_buffer = lua_istable(L, 2);
MMVManip *vm = o->vm;
u32 volume = vm->m_area.getVolume();
const u32 volume = vm->m_area.getVolume();
if (use_buffer)
lua_pushvalue(L, 2);
@ -80,7 +79,8 @@ int LuaVoxelManip::l_get_data(lua_State *L)
lua_createtable(L, volume, 0);
for (u32 i = 0; i != volume; i++) {
lua_Integer cid = vm->m_data[i].getContent();
// Do not push unintialized data to Lua
lua_Integer cid = (vm->m_flags[i] & VOXELFLAG_NO_DATA) ? CONTENT_IGNORE : vm->m_data[i].getContent();
lua_pushinteger(L, cid);
lua_rawseti(L, -2, i + 1);
}
@ -108,6 +108,12 @@ int LuaVoxelManip::l_set_data(lua_State *L)
lua_pop(L, 1);
}
// FIXME: in theory we should clear VOXELFLAG_NO_DATA here
// However there is no way to tell which values Lua code has intended to set
// (if they were VOXELFLAG_NO_DATA before), and which were just not touched.
// In practice this doesn't cause problems because read_from_map() will cause
// all covered blocks to be loaded anyway.
return 0;
}
@ -231,8 +237,7 @@ int LuaVoxelManip::l_get_light_data(lua_State *L)
bool use_buffer = lua_istable(L, 2);
MMVManip *vm = o->vm;
u32 volume = vm->m_area.getVolume();
const u32 volume = vm->m_area.getVolume();
if (use_buffer)
lua_pushvalue(L, 2);
@ -240,7 +245,8 @@ int LuaVoxelManip::l_get_light_data(lua_State *L)
lua_createtable(L, volume, 0);
for (u32 i = 0; i != volume; i++) {
lua_Integer light = vm->m_data[i].param1;
// Do not push unintialized data to Lua
lua_Integer light = (vm->m_flags[i] & VOXELFLAG_NO_DATA) ? 0 : vm->m_data[i].getParam1();
lua_pushinteger(L, light);
lua_rawseti(L, -2, i + 1);
}
@ -280,8 +286,7 @@ int LuaVoxelManip::l_get_param2_data(lua_State *L)
bool use_buffer = lua_istable(L, 2);
MMVManip *vm = o->vm;
u32 volume = vm->m_area.getVolume();
const u32 volume = vm->m_area.getVolume();
if (use_buffer)
lua_pushvalue(L, 2);
@ -289,7 +294,8 @@ int LuaVoxelManip::l_get_param2_data(lua_State *L)
lua_createtable(L, volume, 0);
for (u32 i = 0; i != volume; i++) {
lua_Integer param2 = vm->m_data[i].param2;
// Do not push unintialized data to Lua
lua_Integer param2 = (vm->m_flags[i] & VOXELFLAG_NO_DATA) ? 0 : vm->m_data[i].getParam2();
lua_pushinteger(L, param2);
lua_rawseti(L, -2, i + 1);
}