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Should now calculate and animate vertex normals on skeletal models, and apply that for the q1-style lighting.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@3231 fc73d0e0-1445-4013-8a0c-d673dee63da5
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Spoike 2009-06-30 22:05:18 +00:00
parent ca7a6224a4
commit 2f848fa7b0
4 changed files with 173 additions and 42 deletions
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19
engine/common/mathlib.c
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@ -1295,6 +1295,25 @@ qboolean Matrix4_Invert(const float *m, float *out)
#undef SWAP_ROWS
}
void Matrix3x4_InvertTo3x3(float *in, float *result)
{
#define A(x,y) in[x+y*4]
#define result(x,y) result[x+y*3]
double determinant = +A(0,0)*(A(1,1)*A(2,2)-A(2,1)*A(1,2))
-A(0,1)*(A(1,0)*A(2,2)-A(1,2)*A(2,0))
+A(0,2)*(A(1,0)*A(2,1)-A(1,1)*A(2,0));
double invdet = 1/determinant;
result(0,0) = (A(1,1)*A(2,2)-A(2,1)*A(1,2))*invdet;
result(1,0) = -(A(0,1)*A(2,2)-A(0,2)*A(2,1))*invdet;
result(2,0) = (A(0,1)*A(1,2)-A(0,2)*A(1,1))*invdet;
result(0,1) = -(A(1,0)*A(2,2)-A(1,2)*A(2,0))*invdet;
result(1,1) = (A(0,0)*A(2,2)-A(0,2)*A(2,0))*invdet;
result(2,1) = -(A(0,0)*A(1,2)-A(1,0)*A(0,2))*invdet;
result(0,2) = (A(1,0)*A(2,1)-A(2,0)*A(1,1))*invdet;
result(1,2) = -(A(0,0)*A(2,1)-A(2,0)*A(0,1))*invdet;
result(2,2) = (A(0,0)*A(1,1)-A(1,0)*A(0,1))*invdet;
}
//screen->3d
void Matrix4_UnProject(vec3_t in, vec3_t out, vec3_t viewangles, vec3_t vieworg, float wdivh, float fovy)