World|Map: Pass the trace origin into the blockmap path traversers
In future the trace state will not be contained within de::Map, sodon't assume that we can access this once the trace has begun.
Plus cleanup.
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Added by danij about 11 years ago
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World|Map: Pass the trace origin into the blockmap path traversers
In future the trace state will not be contained within de::Map, so
don't assume that we can access this once the trace has begun.
Plus cleanup.