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Line_of_sight: Improve using VoxelLineIterator

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This commit rewrites line_of_sight with VoxelLineIterator.
Stepsize is no longer needed, the results will be always accurate.
This commit is contained in:
Dániel Juhász 2016-12-01 20:15:37 +01:00 • committed by paramat
parent ca64f564cd
commit 2153965cf9
5 changed files with 27 additions and 35 deletions
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11
src/serverenvironment.h
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@ -328,8 +328,15 @@ public:
// This makes stuff happen
void step(f32 dtime);
//check if there's a line of sight between two positions
bool line_of_sight(v3f pos1, v3f pos2, float stepsize=1.0, v3s16 *p=NULL);
/*!
* Returns false if the given line intersects with a
* non-air node, true otherwise.
* \param pos1 start of the line
* \param pos2 end of the line
* \param p output, position of the first non-air node
* the line intersects
*/
bool line_of_sight(v3f pos1, v3f pos2, v3s16 *p = NULL);
u32 getGameTime() const { return m_game_time; }