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Remove most exceptions from getNode() (and variants)

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This commit is contained in:
Craig Robbins 2014-11-14 18:05:34 +10:00
parent 92815ad54b
commit 5b8855e83c
12 changed files with 429 additions and 455 deletions
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55
src/mapblock.h
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@ -251,37 +251,39 @@ public:
Regular MapNode get-setters
*/
bool isValidPosition(v3s16 p)
bool isValidPosition(s16 x, s16 y, s16 z)
{
if(data == NULL)
return false;
return (p.X >= 0 && p.X < MAP_BLOCKSIZE
&& p.Y >= 0 && p.Y < MAP_BLOCKSIZE
&& p.Z >= 0 && p.Z < MAP_BLOCKSIZE);
return data != NULL
&& x >= 0 && x < MAP_BLOCKSIZE
&& y >= 0 && y < MAP_BLOCKSIZE
&& z >= 0 && z < MAP_BLOCKSIZE;
}
MapNode getNode(s16 x, s16 y, s16 z)
bool isValidPosition(v3s16 p)
{
if(data == NULL)
throw InvalidPositionException();
if(x < 0 || x >= MAP_BLOCKSIZE) throw InvalidPositionException();
if(y < 0 || y >= MAP_BLOCKSIZE) throw InvalidPositionException();
if(z < 0 || z >= MAP_BLOCKSIZE) throw InvalidPositionException();
return isValidPosition(p.X, p.Y, p.Z);
}
MapNode getNode(s16 x, s16 y, s16 z, bool *valid_position)
{
*valid_position = isValidPosition(x, y, z);
if (!*valid_position)
return MapNode(CONTENT_IGNORE);
return data[z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + y*MAP_BLOCKSIZE + x];
}
MapNode getNode(v3s16 p)
MapNode getNode(v3s16 p, bool *valid_position)
{
return getNode(p.X, p.Y, p.Z);
return getNode(p.X, p.Y, p.Z, valid_position);
}
MapNode getNodeNoEx(v3s16 p)
{
try{
return getNode(p.X, p.Y, p.Z);
}catch(InvalidPositionException &e){
return MapNode(CONTENT_IGNORE);
}
bool is_valid;
MapNode node = getNode(p.X, p.Y, p.Z, &is_valid);
return is_valid ? node : MapNode(CONTENT_IGNORE);
}
void setNode(s16 x, s16 y, s16 z, MapNode & n)
@ -304,16 +306,18 @@ public:
Non-checking variants of the above
*/
MapNode getNodeNoCheck(s16 x, s16 y, s16 z)
MapNode getNodeNoCheck(s16 x, s16 y, s16 z, bool *valid_position)
{
if(data == NULL)
throw InvalidPositionException();
*valid_position = data != NULL;
if(!valid_position)
return MapNode(CONTENT_IGNORE);
return data[z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + y*MAP_BLOCKSIZE + x];
}
MapNode getNodeNoCheck(v3s16 p)
MapNode getNodeNoCheck(v3s16 p, bool *valid_position)
{
return getNodeNoCheck(p.X, p.Y, p.Z);
return getNodeNoCheck(p.X, p.Y, p.Z, valid_position);
}
void setNodeNoCheck(s16 x, s16 y, s16 z, MapNode & n)
@ -334,9 +338,8 @@ public:
is not valid on this MapBlock.
*/
bool isValidPositionParent(v3s16 p);
MapNode getNodeParent(v3s16 p);
MapNode getNodeParent(v3s16 p, bool *is_valid_position = NULL);
void setNodeParent(v3s16 p, MapNode & n);
MapNode getNodeParentNoEx(v3s16 p);
void drawbox(s16 x0, s16 y0, s16 z0, s16 w, s16 h, s16 d, MapNode node)
{