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#include <iostream> |
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#include <fstream> |
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#include <string> |
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#include <vector> |
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#include "txtprt_import.h" |
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#include "entity.h" |
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#include "util.h" |
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|
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using namespace std; |
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|
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// FIXME: In case of failed loading a memory leak can happen |
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|
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geometry * |
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txtprt_parser::read (string filename) |
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{ |
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double tmpn; |
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string tmps; |
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int i, o; |
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|
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geometry_container *objs = new geometry_container; |
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|
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ifs.open (filename.c_str (), ifstream::in); |
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|
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while (ifs.good ()) |
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{ |
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char c[1024]; |
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ifs.getline (c, 1024); |
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line_data += (string) c + "\n"; |
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} |
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|
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ifs.close (); |
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|
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double nobj; |
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|
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match_section ('O', nobj); |
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|
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for (o = 0; o < nobj; o++) |
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{ |
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double c1, c2, c3, c4, l0, l1, l2; |
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match_section ('M', tmps); |
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match_section ('L', tmps); |
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match_number (l0); |
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match_space (); |
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match_number (l1); |
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match_space (); |
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match_number (l2); |
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match_nl (); |
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match_section ('T', tmps); |
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|
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simple_material *m = new simple_material; |
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|
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match_number (c1); |
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match_space (); |
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match_number (c2); |
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match_space (); |
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match_number (c3); |
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match_space (); |
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match_number (c4); |
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match_nl (); |
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m->diffuse = colour (c1, c2, c3, c4); |
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match_number (c1); |
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match_space (); |
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match_number (c2); |
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match_space (); |
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match_number (c3); |
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match_space (); |
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match_number (c4); |
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match_nl (); |
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m->specular = colour (c1, c2, c3, c4); |
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match_number (c1); |
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match_space (); |
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match_number (c2); |
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match_space (); |
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match_number (c3); |
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match_space (); |
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match_number (c4); |
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match_nl (); |
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m->emission = colour (c1, c2, c3, c4); |
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match_number (c1); |
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match_nl (); |
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m->shininess = (GLfloat) c1; |
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|
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match_section ('V', tmpn); |
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if (tmpn <= 0) |
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throw txtprt_i_exception ("No Vertices?!"); |
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|
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vector < vertex_t2f_n3f_v3f > verts; |
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for (i = 0; i < tmpn; i++) |
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{ |
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double x, y, z; |
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match_number (x); |
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match_space (); |
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match_number (y); |
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match_space (); |
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match_number (z); |
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match_nl (); |
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verts. |
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push_back (vertex_t2f_n3f_v3f |
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(point (l0 + x, l1 + y, l2 + z), vec3 (0, 0, 1))); |
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// FIXME: propably vertex coloUrs ? |
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} |
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match_section ('N', tmpn); |
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if (tmpn > verts.size ()) |
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{ |
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throw txtprt_i_exception ("Too many vertex normals!!"); |
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} |
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for (i = 0; i < tmpn; i++) |
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{ |
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double x, y, z; |
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match_number (x); |
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match_space (); |
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match_number (y); |
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match_space (); |
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match_number (z); |
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match_nl (); |
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verts[i].n = vec3 (x, y, z); |
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} |
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|
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match_section ('A', tmpn); |
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|
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vector < vertex_t2f_n3f_v3f > vd; |
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for (i = 0; i < tmpn; i++) |
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{ |
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double a, b, c; |
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match_number (a); |
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if (verts.size () < a) |
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throw txtprt_i_exception ("Vertex a out of range!"); |
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match_space (); |
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match_number (b); |
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if (verts.size () < b) |
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throw txtprt_i_exception ("Vertex b out of range!"); |
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match_space (); |
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match_number (c); |
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if (verts.size () < c) |
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throw txtprt_i_exception ("Vertex c out of range!"); |
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match_nl (); |
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double smooth_fl; |
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match_number (smooth_fl); |
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match_nl (); |
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double u, v; |
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match_number (u); |
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match_space (); |
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match_number (v); |
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match_nl (); |
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verts[(int) a].t = tex2 (1 - u, 1 - v); |
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match_number (u); |
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match_space (); |
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match_number (v); |
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match_nl (); |
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verts[(int) b].t = tex2 (1 - u, 1 - v); |
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match_number (u); |
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match_space (); |
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match_number (v); |
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match_nl (); |
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verts[(int) c].t = tex2 (1 - u, 1 - v); |
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|
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if (!smooth_fl) |
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{ |
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point ap = verts[(int) a].p; |
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point bp = verts[(int) b].p; |
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point cp = verts[(int) c].p; |
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vec3 nv = normalize (cross (vec3 (cp.x - bp.x, cp.y - bp.y, cp.z - bp.z), |
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vec3 (ap.x - bp.x, ap.y - bp.y, ap.z - bp.z))); |
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|
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verts[(int) a].n = nv; |
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verts[(int) b].n = nv; |
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verts[(int) c].n = nv; |
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} |
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|
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vd.push_back (verts[(int) a]); |
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vd.push_back (verts[(int) b]); |
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vd.push_back (verts[(int) c]); |
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} |
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|
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geometry_triangles *tri = new geometry_triangles; |
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tri->m = m; |
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tri->set (vd); |
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objs->add (tri); |
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} |
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|
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return objs; |
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} |
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