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changed opt flag behavior of egg-palettize; it now respects round_uvs

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This commit is contained in:
Asad M. Zaman 2006-12-19 01:41:57 +00:00
parent fcedd2efd5
commit d2fee08392
2 changed files with 20 additions and 1 deletions
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3
pandatool/src/egg-palettize/eggPalettize.cxx
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@ -783,8 +783,11 @@ run() {
pal->reset_images();
_all_textures = true;
/* Asad: I disagree: unless :round is set to no from textures.txa, we
should always leave the _round_uvs to default.
// Also turn off the rounding-up of UV's for this purpose.
pal->_round_uvs = false;
*/
}
if (_all_textures) {

18
pandatool/src/palettizer/texturePlacement.cxx
View File

@ -291,9 +291,14 @@ determine_size() {
TexCoordd rounded_min_uv = min_uv;
TexCoordd rounded_max_uv = max_uv;
//cout << get_name() << endl;
// If so requested, round the minmax out to the next _round_unit.
// This cuts down on unnecessary resizing of textures within the
// palettes as the egg references change in trivial amounts.
//cout << "rounded_min_uv: " << rounded_min_uv << endl;
//cout << "rounded_max_uv: " << rounded_max_uv << endl;
if (pal->_round_uvs) {
rounded_max_uv[0] =
ceil((rounded_max_uv[0] - pal->_round_fuzz) / pal->_round_unit) *
@ -308,6 +313,9 @@ determine_size() {
rounded_min_uv[1] =
floor((rounded_min_uv[1] + pal->_round_fuzz) / pal->_round_unit) *
pal->_round_unit;
//cout << "after rounded_min_uv: " << rounded_min_uv << endl;
//cout << "after rounded_max_uv: " << rounded_max_uv << endl;
}
// Now determine the size in pixels we require based on the UV's
@ -910,17 +918,25 @@ compute_size_from_uvs(const TexCoordd &min_uv, const TexCoordd &max_uv) {
_position._max_uv = max_uv;
TexCoordd range = _position._max_uv - _position._min_uv;
//cout << "range: " << range << endl;
//cout << "_x_size texture: " << _texture->get_x_size() << endl;
//cout << "_y_size texture: " << _texture->get_y_size() << endl;
_position._x_size = (int)floor(_texture->get_x_size() * range[0] + 0.5);
_position._y_size = (int)floor(_texture->get_y_size() * range[1] + 0.5);
//cout << "_x_size: " << _position._x_size << endl;
//cout << "_y_size: " << _position._y_size << endl;
// We arbitrarily require at least four pixels in each dimension.
// Fewer than this may be asking for trouble.
_position._x_size = max(_position._x_size, 4);
_position._y_size = max(_position._y_size, 4);
_position._margin = _texture->get_margin();
//cout << "margin: " << _position._margin << endl;
// Normally, we have interior margins, but if the image size is too
// small--i.e. the margin size is too great a percentage of the
// image size--we'll make them exterior margins so as not to overly