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Added y bounds checking for cPlayer::PlaceBlock (#5194)

This commit is contained in:
Kiryu144 2021-07-23 11:14:01 +02:00 committed by GitHub
parent 179d6da490
commit 36a97d441b
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 76 additions and 53 deletions
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14
Server/Plugins/APIDump/APIDesc.lua
View File

@ -10879,16 +10879,8 @@ a_Player:OpenWindow(Window);
Params =
{
{
Name = "BlockX",
Type = "number",
},
{
Name = "BlockY",
Type = "number",
},
{
Name = "BlockZ",
Type = "number",
Name = "BlockPos",
Type = "Vector3i",
},
{
Name = "BlockType",
@ -10905,7 +10897,7 @@ a_Player:OpenWindow(Window);
Type = "boolean",
},
},
Notes = "Places a block while impersonating the player. The {{OnPlayerPlacingBlock|HOOK_PLAYER_PLACING_BLOCK}} hook is called before the placement, and if it succeeds, the block is placed and the {{OnPlayerPlacedBlock|HOOK_PLAYER_PLACED_BLOCK}} hook is called. Returns true iff the block is successfully placed. Assumes that the block is in a currently loaded chunk.",
Notes = "Places a block while impersonating the player. The {{OnPlayerPlacingBlock|HOOK_PLAYER_PLACING_BLOCK}} hook is called before the placement, and if it succeeds, the block is placed and the {{OnPlayerPlacedBlock|HOOK_PLAYER_PLACED_BLOCK}} hook is called. Returns true iff the block is successfully placed.",
},
ReplaceOneEquippedItemTossRest =
{

82
src/Bindings/ManualBindings.cpp
View File

@ -1595,6 +1595,63 @@ static int tolua_cPlayer_GetRestrictions(lua_State * tolua_S)
static int tolua_cPlayer_GetUUID(lua_State * tolua_S)
{
// Check the params:
cLuaState L(tolua_S);
if (!L.CheckParamSelf("cPlayer"))
{
return 0;
}
// Get the params:
cPlayer * Self = nullptr;
L.GetStackValue(1, Self);
// Return the UUID as a string
L.Push(Self->GetUUID().ToShortString());
return 1;
}
static int tolua_cPlayer_PlaceBlock(lua_State * tolua_S)
{
// Check the params:
cLuaState L(tolua_S);
if (
!L.CheckParamSelf("cPlayer") ||
!L.CheckParamUserType(2, "Vector3<int>") ||
!L.CheckParamNumber(3, 4) ||
!L.CheckParamEnd(5)
)
{
return 0;
}
// Get the params:
cPlayer * Self;
Vector3i Position;
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
L.GetStackValues(1, Self, Position, BlockType, BlockMeta);
if (!cChunkDef::IsValidHeight(Position.y))
{
return cManualBindings::lua_do_error(tolua_S, "Error in function call '#funcname#': Invalid 'position'");
}
// Return the result of placement:
L.Push(Self->PlaceBlock(Position, BlockType, BlockMeta));
return 1;
}
static int tolua_cPlayer_PermissionMatches(lua_State * tolua_S)
{
// Function signature: cPlayer:PermissionMatches(PermissionStr, TemplateStr) -> bool
@ -1623,28 +1680,6 @@ static int tolua_cPlayer_PermissionMatches(lua_State * tolua_S)
static int tolua_cPlayer_GetUUID(lua_State * tolua_S)
{
// Check the params:
cLuaState L(tolua_S);
if (!L.CheckParamSelf("cPlayer"))
{
return 0;
}
// Get the params:
cPlayer * Self = nullptr;
L.GetStackValue(1, Self);
// Return the UUID as a string
L.Push(Self->GetUUID().ToShortString());
return 1;
}
template <
class OBJTYPE,
void (OBJTYPE::*SetCallback)(cLuaState::cCallbackPtr && a_CallbackFn)
@ -4601,8 +4636,9 @@ void cManualBindings::Bind(lua_State * tolua_S)
tolua_beginmodule(tolua_S, "cPlayer");
tolua_function(tolua_S, "GetPermissions", tolua_cPlayer_GetPermissions);
tolua_function(tolua_S, "GetRestrictions", tolua_cPlayer_GetRestrictions);
tolua_function(tolua_S, "PermissionMatches", tolua_cPlayer_PermissionMatches);
tolua_function(tolua_S, "GetUUID", tolua_cPlayer_GetUUID);
tolua_function(tolua_S, "PermissionMatches", tolua_cPlayer_PermissionMatches);
tolua_function(tolua_S, "PlaceBlock", tolua_cPlayer_PlaceBlock);
tolua_endmodule(tolua_S);
tolua_beginmodule(tolua_S, "cPlugin");

18
src/Entities/Player.cpp
View File

@ -2333,15 +2333,6 @@ void cPlayer::LoadRank(void)
bool cPlayer::PlaceBlock(const Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
return PlaceBlocks({ { a_Position, a_BlockType, a_BlockMeta } });
}
void cPlayer::SendBlocksAround(int a_BlockX, int a_BlockY, int a_BlockZ, int a_Range)
{
// Collect the coords of all the blocks to send:
@ -2457,6 +2448,15 @@ const cUUID & cPlayer::GetUUID(void) const
bool cPlayer::PlaceBlock(const Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
return PlaceBlocks({ { a_Position, a_BlockType, a_BlockMeta } });
}
bool cPlayer::PlaceBlocks(const std::initializer_list<sSetBlock> a_Blocks)
{
if (DoesPlacingBlocksIntersectEntity(a_Blocks))

15
src/Entities/Player.h
View File

@ -548,12 +548,6 @@ public:
Loads the m_Rank, m_Permissions, m_MsgPrefix, m_MsgSuffix and m_MsgNameColorCode members. */
void LoadRank(void);
/** Calls the block-placement hook and places the block in the world, unless refused by the hook.
If the hook prevents the placement, sends the current block at the specified coords back to the client.
Assumes that the block is in a currently loaded chunk.
Returns true if the block is successfully placed. */
bool PlaceBlock(Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);
/** Sends the block in the specified range around the specified coord to the client
as a block change packet.
The blocks in range (a_BlockX - a_Range, a_BlockX + a_Range) are sent (NY-metric). */
@ -565,12 +559,13 @@ public:
// tolua_end
/** Attempts to place the block in the world with a call to PlaceBlocks. */
bool PlaceBlock(Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);
/** Calls the block placement hooks and places the blocks in the world.
First the "placing" hooks for all the blocks are called, then the blocks are placed, and finally
the "placed" hooks are called.
First the "placing" hooks for all the blocks are called, then the blocks are placed, and finally the "placed" hooks are called.
If the any of the "placing" hooks aborts, none of the blocks are placed and the function returns false.
Returns true if all the blocks are placed.
Assumes that all the blocks are in currently loaded chunks. */
Returns true if all the blocks are placed. */
bool PlaceBlocks(std::initializer_list<sSetBlock> a_Blocks);
/** Notify nearby wolves that the player or one of the player's wolves took damage or did damage to an entity