Revision 1025,
1.4 KB
checked in by gumbau, 18 years ago
(diff) |
namespace simplif
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[774] | 1 | //#include <iostream.h>
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| 2 | #include <string.h>
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| 3 |
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| 4 | #include <gfx/std.h>
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| 5 | #include <gfx/SMF/smf.h>
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| 6 | #include <gfx/SMF/smfstate.h>
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| 7 |
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| 8 | inline int streq(const char *a,const char *b) { return strcmp(a,b)==0; }
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| 9 |
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[1025] | 10 | using namespace simplif;
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[774] | 11 |
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| 12 | SMF_State::SMF_State(const SMF_ivars& ivar, SMF_State *link)
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| 13 | {
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| 14 | next = link;
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| 15 | first_vertex = ivar.next_vertex;
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| 16 | if( next )
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| 17 | {
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| 18 | vertex_correction = next->vertex_correction;
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| 19 | xform = next->xform;
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| 20 | }
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| 21 | else
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| 22 | {
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| 23 | vertex_correction = 0;
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| 24 | xform = Mat4::identity;
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| 25 | }
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| 26 |
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| 27 | }
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| 28 |
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| 29 | void SMF_State::vertex(Vec3& v)
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| 30 | {
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| 31 | Vec4 v2 = xform * Vec4(v,1);
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| 32 |
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| 33 | v[X] = v2[X]/v2[W];
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| 34 | v[Y] = v2[Y]/v2[W];
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| 35 | v[Z] = v2[Z]/v2[W];
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| 36 | }
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| 37 |
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| 38 | void SMF_State::normal(Vec3& v)
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| 39 | {
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| 40 | Vec4 v2 = xform * Vec4(v,0);
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| 41 |
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| 42 | // v[X] = v2[X]/v2[W];
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| 43 | // v[Y] = v2[Y]/v2[W];
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| 44 | // v[Z] = v2[Z]/v2[W];
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| 45 |
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| 46 | v[X] = v2[X];
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| 47 | v[Y] = v2[Y];
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| 48 | v[Z] = v2[Z];
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| 49 | }
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| 50 |
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| 51 | void SMF_State::face(buffer<int>& verts, const SMF_ivars& ivar)
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| 52 | {
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| 53 | for(int i=0; i<verts.length(); i++)
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| 54 | {
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| 55 | if( verts(i) < 0 )
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| 56 | verts(i) += ivar.next_vertex;
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| 57 | else
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| 58 | verts(i) += vertex_correction + (first_vertex - 1);
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| 59 | }
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| 60 | }
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| 61 |
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| 62 | void SMF_State::set(string_buffer& argv)
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| 63 | {
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| 64 | char *cmd = argv(0);
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| 65 |
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| 66 | if( streq(cmd, "vertex_correction") )
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| 67 | vertex_correction = atoi(argv(1));
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| 68 | }
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| 69 |
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| 70 | void SMF_State::mmult(const Mat4& M)
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| 71 | {
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| 72 | xform = xform * M;
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| 73 | }
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| 74 |
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| 75 | void SMF_State::mload(const Mat4& M)
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| 76 | {
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| 77 | xform = M;
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| 78 | }
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