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Abort when trying to set a not registered node (#7011)

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I removed the MapNode constructor which takes a nodename and gives the node's id or CONTENT_IGNORE
The code which used this constructor (two places) now handles the situation of not registered nodes correctly:
* minetest.set_node and similar functions make minetest crash when a not registered node is passed
* reverting a node with rollback aborts if the node is not registered
This commit is contained in:
HybridDog 2019-03-07 08:31:25 +01:00 committed by Loïc Blot
parent 3066d76e33
commit 431d8a9b83
4 changed files with 13 additions and 21 deletions
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12
src/mapnode.cpp
View File

@ -44,18 +44,6 @@ static const u8 rot_to_wallmounted[] = {
MapNode
*/
// Create directly from a nodename
// If name is unknown, sets CONTENT_IGNORE
MapNode::MapNode(const NodeDefManager *ndef, const std::string &name,
u8 a_param1, u8 a_param2)
{
content_t id = CONTENT_IGNORE;
ndef->getId(name, id);
param0 = id;
param1 = a_param1;
param2 = a_param2;
}
void MapNode::getColor(const ContentFeatures &f, video::SColor *color) const
{
if (f.palette) {

5
src/mapnode.h
View File

@ -145,11 +145,6 @@ struct MapNode
param2(a_param2)
{ }
// Create directly from a nodename
// If name is unknown, sets CONTENT_IGNORE
MapNode(const NodeDefManager *ndef, const std::string &name,
u8 a_param1=0, u8 a_param2=0);
bool operator==(const MapNode &other) const noexcept
{
return (param0 == other.param0

9
src/rollback_interface.cpp
View File

@ -139,7 +139,12 @@ bool RollbackAction::applyRevert(Map *map, InventoryManager *imgr, IGameDef *gam
return false;
}
// Create rollback node
MapNode n(ndef, n_old.name, n_old.param1, n_old.param2);
content_t id = CONTENT_IGNORE;
if (!ndef->getId(n_old.name, id)) {
// The old node is not registered
return false;
}
MapNode n(id, n_old.param1, n_old.param2);
// Set rollback node
try {
if (!map->addNodeWithEvent(p, n)) {
@ -203,7 +208,7 @@ bool RollbackAction::applyRevert(Map *map, InventoryManager *imgr, IGameDef *gam
<< inventory_location << std::endl;
return false;
}
// If item was added, take away item, otherwise add removed item
if (inventory_add) {
// Silently ignore different current item

8
src/script/common/c_content.cpp
View File

@ -1093,7 +1093,7 @@ MapNode readnode(lua_State *L, int index, const NodeDefManager *ndef)
lua_getfield(L, index, "name");
if (!lua_isstring(L, -1))
throw LuaError("Node name is not set or is not a string!");
const char *name = lua_tostring(L, -1);
std::string name = lua_tostring(L, -1);
lua_pop(L, 1);
u8 param1 = 0;
@ -1108,7 +1108,11 @@ MapNode readnode(lua_State *L, int index, const NodeDefManager *ndef)
param2 = lua_tonumber(L, -1);
lua_pop(L, 1);
return {ndef, name, param1, param2};
content_t id = CONTENT_IGNORE;
if (!ndef->getId(name, id))
throw LuaError("\"" + name + "\" is not a registered node!");
return {id, param1, param2};
}
/******************************************************************************/