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Transform normals wrt bones in sw and sw32.

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Better lighting :), though any scaling/shearing will produce funny results,
and sw32's lighting is broken in general.
This commit is contained in:
Bill Currie 2012-05-20 15:21:25 +09:00
parent b5add680f7
commit 85da69a96a
2 changed files with 12 additions and 8 deletions
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10
libs/video/renderer/sw/sw_riqm.c
View file

@ -87,8 +87,9 @@ R_IQMTransformAndProjectFinalVerts (iqm_t *iqm, swiqm_t *sw, iqmframe_t *frame)
float *position = (float *) (vert + sw->position->offset);
float *normal = (float *) (vert + sw->normal->offset);
int32_t *texcoord = (int32_t *) (vert + sw->texcoord->offset);
vec3_t tv;
vec3_t tv, tn;
Mat4MultVec (mat, position, tv);
Mat4as3MultVec (mat, normal, tn);
zi = 1.0 / (DotProduct (tv, aliastransform[2])
+ aliastransform[2][3]);
fv->v[5] = zi;
@ -98,7 +99,7 @@ R_IQMTransformAndProjectFinalVerts (iqm_t *iqm, swiqm_t *sw, iqmframe_t *frame)
+ aliastransform[1][3]) * zi + aliasxcenter;
fv->v[2] = texcoord[0];
fv->v[3] = texcoord[1];
fv->v[4] = calc_light (normal);
fv->v[4] = calc_light (tn);
}
}
@ -161,15 +162,16 @@ R_IQMPreparePoints (iqm_t *iqm, swiqm_t *sw, iqmframe_t *frame)
float *position = (float *) (vert + sw->position->offset);
float *normal = (float *) (vert + sw->normal->offset);
int32_t *texcoord = (int32_t *) (vert + sw->texcoord->offset);
vec3_t tv;
vec3_t tv, tn;
Mat4MultVec (mat, position, tv);
Mat4as3MultVec (mat, normal, tn);
av->fv[0] = DotProduct (tv, aliastransform[0]) + aliastransform[0][3];
av->fv[1] = DotProduct (tv, aliastransform[1]) + aliastransform[1][3];
av->fv[2] = DotProduct (tv, aliastransform[2]) + aliastransform[2][3];
fv->v[2] = texcoord[0];
fv->v[3] = texcoord[1];
fv->flags = 0;
fv->v[4] = calc_light (normal);
fv->v[4] = calc_light (tn);
R_AliasClipAndProjectFinalVert (fv, av);
}

10
libs/video/renderer/sw32/sw32_riqm.c
View file

@ -90,8 +90,9 @@ R_IQMTransformAndProjectFinalVerts (iqm_t *iqm, swiqm_t *sw, iqmframe_t *frame)
float *position = (float *) (vert + sw->position->offset);
float *normal = (float *) (vert + sw->normal->offset);
int32_t *texcoord = (int32_t *) (vert + sw->texcoord->offset);
vec3_t tv;
vec3_t tv, tn;
Mat4MultVec (mat, position, tv);
Mat4as3MultVec (mat, normal, tn);
zi = 1.0 / (DotProduct (tv, aliastransform[2])
+ aliastransform[2][3]);
fv->v[5] = zi;
@ -101,7 +102,7 @@ R_IQMTransformAndProjectFinalVerts (iqm_t *iqm, swiqm_t *sw, iqmframe_t *frame)
+ aliastransform[1][3]) * zi + aliasxcenter;
fv->v[2] = texcoord[0];
fv->v[3] = texcoord[1];
fv->v[4] = calc_light (normal);
fv->v[4] = calc_light (tn);
}
}
@ -153,15 +154,16 @@ R_IQMPreparePoints (iqm_t *iqm, swiqm_t *sw, iqmframe_t *frame)
float *position = (float *) (vert + sw->position->offset);
float *normal = (float *) (vert + sw->normal->offset);
int32_t *texcoord = (int32_t *) (vert + sw->texcoord->offset);
vec3_t tv;
vec3_t tv, tn;
Mat4MultVec (mat, position, tv);
Mat4as3MultVec (mat, normal, tn);
av->fv[0] = DotProduct (tv, aliastransform[0]) + aliastransform[0][3];
av->fv[1] = DotProduct (tv, aliastransform[1]) + aliastransform[1][3];
av->fv[2] = DotProduct (tv, aliastransform[2]) + aliastransform[2][3];
fv->v[2] = texcoord[0];
fv->v[3] = texcoord[1];
fv->flags = 0;
fv->v[4] = calc_light (normal);
fv->v[4] = calc_light (tn);
sw32_R_AliasClipAndProjectFinalVert (fv, av);
}