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light: use bounding box of face for lightgrid bounds 

tighter bounds than dmodel bounds
This commit is contained in:
Eric Wasylishen 2023-02-12 13:00:30 -07:00
parent 7e6337027a
commit 1c56b060b1
1 changed files with 6 additions and 2 deletions
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8
light/light.cc
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@ -1057,7 +1057,11 @@ static void LightGrid(bspdata_t *bspdata)
logging::funcheader();
auto &bsp = std::get<mbsp_t>(bspdata->bsp);
auto world_size = bsp.dmodels[0].maxs - bsp.dmodels[0].mins;
auto faces_size = Model_BoundsOfFaces(bsp, bsp.dmodels[0]);
const qvec3f grid_maxs = faces_size.maxs();
const qvec3f grid_mins = faces_size.mins();
const qvec3f world_size = grid_maxs - grid_mins;
// number of grid points on each axis
const qvec3i grid_size = {
@ -1065,7 +1069,6 @@ static void LightGrid(bspdata_t *bspdata)
ceil(world_size[1] / light_options.lightgrid_dist.value()[1]),
ceil(world_size[2] / light_options.lightgrid_dist.value()[2])
};
const qvec3f grid_mins = bsp.dmodels[0].mins;
std::vector<lightgrid_samples_t> grid_result;
grid_result.resize(grid_size[0] * grid_size[1] * grid_size[2]);
@ -1115,6 +1118,7 @@ static void LightGrid(bspdata_t *bspdata)
logging::print(" {} lightgrid_dist\n", light_options.lightgrid_dist.value());
logging::print(" {} grid_size\n", grid_size);
logging::print(" {} grid_mins\n", grid_mins);
logging::print(" {} grid_maxs\n", grid_maxs);
logging::print(" {} num_styles\n", num_styles);
// non-final, experimental lump