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Add wielded (and CAOs) shader

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This commit is contained in:
RealBadAngel 2015-07-21 23:56:41 +02:00
parent 5b0c719171
commit 60350699c7
11 changed files with 224 additions and 40 deletions
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36
src/mesh.cpp
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@ -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,