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| author | RealBadAngel <maciej.kasatkin@o2.pl> | 2015-07-21 23:56:41 +0200 |
|---|---|---|
| committer | RealBadAngel <maciej.kasatkin@o2.pl> | 2015-07-21 23:56:41 +0200 |
| commit | 60350699c792b816b20704d59cfbda0894cdba39 (patch) | |
| tree | 59e9a369d9ea87804035ee27ea902a81b4f90060 /src/mesh.cpp | |
| parent | 5b0c719171eb9ccb8f2829eb1cc8b3fe9f24cd05 (diff) | |
| download | minetest-60350699c792b816b20704d59cfbda0894cdba39.tar.gz minetest-60350699c792b816b20704d59cfbda0894cdba39.tar.bz2 minetest-60350699c792b816b20704d59cfbda0894cdba39.zip | |
Add wielded (and CAOs) shader
Diffstat (limited to 'src/mesh.cpp')
| -rw-r--r-- | src/mesh.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mesh.cpp b/src/mesh.cpp index 4f70b7fa2..dab1575f3 100644 --- a/src/mesh.cpp +++ b/src/mesh.cpp @@ -33,6 +33,13 @@ with this program; if not, write to the Free Software Foundation, Inc., #define MY_ETLM_READ_ONLY video::ETLM_READ_ONLY #endif +static void applyFacesShading(video::SColor& color, float factor) +{ + color.setRed(core::clamp(core::round32(color.getRed()*factor), 0, 255)); + color.setGreen(core::clamp(core::round32(color.getGreen()*factor), 0, 255)); + color.setBlue(core::clamp(core::round32(color.getBlue()*factor), 0, 255)); +} + scene::IAnimatedMesh* createCubeMesh(v3f scale) { video::SColor c(255,255,255,255); @@ -165,6 +172,35 @@ void setMeshColor(scene::IMesh *mesh, const video::SColor &color) } } +void shadeMeshFaces(scene::IMesh *mesh) +{ + if (mesh == NULL) + return; + + u32 mc = mesh->getMeshBufferCount(); + for (u32 j = 0; j < mc; j++) { + scene::IMeshBuffer *buf = mesh->getMeshBuffer(j); + const u32 stride = getVertexPitchFromType(buf->getVertexType()); + u32 vertex_count = buf->getVertexCount(); + u8 *vertices = (u8 *)buf->getVertices(); + for (u32 i = 0; i < vertex_count; i++) { + video::S3DVertex *vertex = (video::S3DVertex *)(vertices + i * stride); + video::SColor &vc = vertex->Color; + if (vertex->Normal.Y < -0.5) { + applyFacesShading (vc, 0.447213); + } else if (vertex->Normal.Z > 0.5) { + applyFacesShading (vc, 0.670820); + } else if (vertex->Normal.Z < -0.5) { + applyFacesShading (vc, 0.670820); + } else if (vertex->Normal.X > 0.5) { + applyFacesShading (vc, 0.836660); + } else if (vertex->Normal.X < -0.5) { + applyFacesShading (vc, 0.836660); + } + } + } +} + void setMeshColorByNormalXYZ(scene::IMesh *mesh, const video::SColor &colorX, const video::SColor &colorY, |