diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/model/mapfile.cc | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/src/model/mapfile.cc b/src/model/mapfile.cc index 94a8eab..7775c8d 100644 --- a/src/model/mapfile.cc +++ b/src/model/mapfile.cc @@ -278,6 +278,7 @@ bool MapFile::read_patchdef() } math::Vector3f patchvertices[rows][columns]; + math::Vector2f patchtexcoords[rows][columns]; // read rows for (size_t r = 0; r < rows; r++) { @@ -328,6 +329,7 @@ bool MapFile::read_patchdef() } patchvertices[r][c].assign(x, y, z); + patchtexcoords[r][c].assign(tx, ty); } if (!(linestream >> word)) { @@ -394,8 +396,6 @@ bool MapFile::read_patchdef() // patchvertices[][] are the control points as read from the .map file // mesh[][] is a subdivideXsubdivide quad mesh calculated for each set of 9 control points in the patch - // TODO texture coordinates, normals - // TODO variable sibdivision const size_t subdivide = 4; const float binom[3] = {1.0f, 2.0f, 1.0f}; @@ -405,6 +405,7 @@ bool MapFile::read_patchdef() math::Vector3f mesh[subdivide + 1][subdivide +1]; math::Vector3f meshnormals[subdivide + 1][subdivide +1]; + math::Vector2f meshtexcoords[subdivide + 1][subdivide +1]; for (size_t i = 0; i <= subdivide; i++) { const float u = (float) i / (float) subdivide; @@ -447,10 +448,35 @@ bool MapFile::read_patchdef() } } + // assign normal meshnormals[i][j].assign(math::crossproduct(tan_u, tan_v)); meshnormals[i][j].normalize(); + + // calculate texture coordinates + size_t tr = r; + size_t tc = c; + + float tu = u; + float tv = v; + + if (u >= 0.5f) { + tr++; + tu -= 0.5f; + } + if (v >= 0.5f) { + tc++; + tv -= 0.5f; + } + tu *= 2.0f; + tv *= 2.0f; + + meshtexcoords[i][j] = ( + (patchtexcoords[tr+1][tc] * tu + patchtexcoords[tr][tc] * (1.0f - tu)) * (1.0f - tv) + + (patchtexcoords[tr+1][tc+1] * tu + patchtexcoords[tr][tc+1] * (1.0f - tu)) * tv + ); + class_box.expand(mesh[i][j] * SCALE); - } + } } const math::Vector3f zero; @@ -465,9 +491,16 @@ bool MapFile::read_patchdef() ); quad->n0().assign(meshnormals[i+1][j+1]); + quad->t0().assign(meshtexcoords[i+1][j+1]); + quad->n1().assign(meshnormals[i][j+1]); + quad->t1().assign(meshtexcoords[i][j+1]); + quad->n2().assign(meshnormals[i][j]); + quad->t2().assign(meshtexcoords[i][j]); + quad->n3().assign(meshnormals[i+1][j]); + quad->t3().assign(meshtexcoords[i+1][j]); primitives->add_quad(quad); } |