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light: CalcPoints: use faceextents_t::LMCoordToWorld

This commit is contained in:
Eric Wasylishen 2022-11-02 01:16:36 -06:00
parent f3cc0907c8
commit 9edadf93cd
2 changed files with 6 additions and 4 deletions
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9
light/ltface.cc
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@ -388,9 +388,10 @@ static void CalcPoints(
surf->width = surf->extents.width() * light_options.extra.value();
surf->height = surf->extents.height() * light_options.extra.value();
const float starts = (surf->extents.texmins[0] - 0.5 + (0.5 / light_options.extra.value())) * surf->lightmapscale;
const float startt = (surf->extents.texmins[1] - 0.5 + (0.5 / light_options.extra.value())) * surf->lightmapscale;
const float st_step = surf->lightmapscale / light_options.extra.value();
const float starts = -0.5 + (0.5 / light_options.extra.value());
const float startt = -0.5 + (0.5 / light_options.extra.value());
const float st_step = 1.0f / light_options.extra.value();
/* Allocate surf->points */
size_t num_points = surf->width * surf->height;
@ -412,7 +413,7 @@ static void CalcPoints(
const vec_t us = starts + s * st_step;
const vec_t ut = startt + t * st_step;
point = surf->extents.texCoordToWorld(qvec2f(us, ut)) +
point = surf->extents.LMCoordToWorld(qvec2f(us, ut)) +
surf->plane.normal; // one unit in front of face
// do this before correcting the point, so we can wrap around the inside of pipes

1
tests/test_ltface.cc
View File

@ -36,6 +36,7 @@ static void LoadTestmap(const std::filesystem::path &name, std::vector<std::stri
{
std::vector<std::string> light_args{
"", // the exe path, which we're ignoring in this case
"-extra",
bsp_path.string()
};
light_main(light_args);