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Add option to use Rotation-Center for an actor's normal pitch/angle/roll rotation.

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InsanityBringer 2018-02-28 13:35:01 -06:00 committed by Christoph Oelckers
parent 6e8dbb590d
commit bba3027d37
2 changed files with 16 additions and 0 deletions
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15
src/r_data/models/models.cpp
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@ -125,9 +125,17 @@ void FModelRenderer::RenderModel(float x, float y, float z, FSpriteModelFrame *s
// Applying model transformations:
// 1) Applying actor angle, pitch and roll to the model
if (smf->flags & MDL_USEROTATIONCENTER)
{
objectToWorldMatrix.translate(smf->rotationCenterX, smf->rotationCenterZ, smf->rotationCenterY);
}
objectToWorldMatrix.rotate(-angle, 0, 1, 0);
objectToWorldMatrix.rotate(pitch, 0, 0, 1);
objectToWorldMatrix.rotate(-roll, 1, 0, 0);
if (smf->flags & MDL_USEROTATIONCENTER)
{
objectToWorldMatrix.translate(-smf->rotationCenterX, -smf->rotationCenterZ, -smf->rotationCenterY);
}
// 2) Applying Doomsday like rotation of the weapon pickup models
// The rotation angle is based on the elapsed time.
@ -789,6 +797,13 @@ void gl_InitModels()
{
smf.flags |= MDL_DONTCULLBACKFACES;
}
else if (sc.Compare("userotationcenter"))
{
smf.flags |= MDL_USEROTATIONCENTER;
smf.rotationCenterX = 0.;
smf.rotationCenterY = 0.;
smf.rotationCenterZ = 0.;
}
else
{
sc.ScriptMessage("Unrecognized string \"%s\"", sc.String);

1
src/r_data/models/models.h
View file

@ -447,6 +447,7 @@ enum
MDL_USEACTORROLL = 64,
MDL_BADROTATION = 128,
MDL_DONTCULLBACKFACES = 256,
MDL_USEROTATIONCENTER = 512,
};
struct FSpriteModelFrame