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robustify lighting a bit

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This commit is contained in:
David Rose 2002-04-02 02:08:02 +00:00
parent 091b08b97f
commit 3db77d13a5
1 changed files with 7 additions and 1 deletions
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8
panda/src/display/graphicsStateGuardian.cxx
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@ -867,7 +867,10 @@ begin_frame() {
// changed between frames.
if (_lighting_enabled_this_frame) {
for (int i = 0; i < _max_lights; i++) {
enable_light(i, false);
if (_light_info[i]._enabled) {
enable_light(i, false);
_light_info[i]._enabled = false;
}
_light_info[i]._light = (Light *)NULL;
}
@ -1238,6 +1241,7 @@ issue_light(const LightAttrib *attrib) {
// enable the light, not reapply it.
cur_light_id = -2;
enable_light(i, true);
_light_info[i]._enabled = true;
_light_info[i]._next_enabled = true;
break;
}
@ -1268,6 +1272,7 @@ issue_light(const LightAttrib *attrib) {
if (cur_light_id >= 0) {
enable_light(cur_light_id, true);
_light_info[cur_light_id]._enabled = true;
_light_info[cur_light_id]._next_enabled = true;
if (!any_bound) {
@ -1290,6 +1295,7 @@ issue_light(const LightAttrib *attrib) {
for (i = 0; i < _max_lights; i++) {
if (!_light_info[i]._next_enabled) {
enable_light(i, false);
_light_info[i]._enabled = false;
}
}