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https://github.com/moparisthebest/minetest
synced 2024-12-23 16:08:51 -05:00
Tune occlusion culling a bit
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parent
0ac5f6a7ca
commit
339b7588d2
26
src/map.cpp
26
src/map.cpp
@ -3613,7 +3613,7 @@ void ClientMap::OnRegisterSceneNode()
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ISceneNode::OnRegisterSceneNode();
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}
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static bool isOccluded(Map *map, v3s16 p0, v3s16 p1, float step,
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static bool isOccluded(Map *map, v3s16 p0, v3s16 p1, float step, float stepfac,
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float start_off, float end_off, u32 needed_count)
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{
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float d0 = (float)BS * p0.getDistanceFrom(p1);
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@ -3637,6 +3637,7 @@ static bool isOccluded(Map *map, v3s16 p0, v3s16 p1, float step,
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if(count >= needed_count)
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return true;
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}
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step *= stepfac;
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}
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return false;
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}
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@ -3845,31 +3846,32 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
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v3s16 cpn = v3s16(block->getPos() * MAP_BLOCKSIZE)
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+ v3s16(MAP_BLOCKSIZE)/2;
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float step = BS*2;
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float startoff = BS*3;
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float step = BS*1;
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float stepfac = 1.2;
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float startoff = BS*1;
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float endoff = -BS*MAP_BLOCKSIZE*1.42*1.42;
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v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
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s16 bs2 = MAP_BLOCKSIZE/2 + 1;
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u32 needed_count = 1;
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if(
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isOccluded(this, spn, cpn + v3s16(0,0,0),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
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step, startoff, endoff, needed_count) &&
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step, stepfac, startoff, endoff, needed_count) &&
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isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
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step, startoff, endoff, needed_count)
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step, stepfac, startoff, endoff, needed_count)
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)
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{
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blocks_occlusion_culled++;
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