#define MY_ETLM_READ_ONLY video::ETLM_READ_ONLY
#endif
-static void applyFacesShading(video::SColor& color, float factor)
+inline static void applyShadeFactor(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));
}
+void applyFacesShading(video::SColor &color, const v3f &normal)
+{
+ /*
+ Some drawtypes have normals set to (0, 0, 0), this must result in
+ maximum brightness: shade factor 1.0.
+ Shade factors for aligned cube faces are:
+ +Y 1.000000 sqrt(1.0)
+ -Y 0.447213 sqrt(0.2)
+ +-X 0.670820 sqrt(0.45)
+ +-Z 0.836660 sqrt(0.7)
+ */
+ float x2 = normal.X * normal.X;
+ float y2 = normal.Y * normal.Y;
+ float z2 = normal.Z * normal.Z;
+ if (normal.Y < 0)
+ applyShadeFactor(color, 0.670820f * x2 + 0.447213f * y2 + 0.836660f * z2);
+ else if ((x2 > 1e-3) || (z2 > 1e-3))
+ applyShadeFactor(color, 0.670820f * x2 + 1.000000f * y2 + 0.836660f * z2);
+}
+
scene::IAnimatedMesh* createCubeMesh(v3f scale)
{
video::SColor c(255,255,255,255);
if (mesh == NULL)
return;
- core::aabbox3d<f32> bbox;
+ aabb3f bbox;
bbox.reset(0, 0, 0);
u32 mc = mesh->getMeshBufferCount();
if (mesh == NULL)
return;
- core::aabbox3d<f32> bbox;
+ aabb3f bbox;
bbox.reset(0, 0, 0);
u32 mc = mesh->getMeshBufferCount();
mesh->setBoundingBox(bbox);
}
+void setMeshBufferColor(scene::IMeshBuffer *buf, const video::SColor &color)
+{
+ 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 *) (vertices + i * stride))->Color = color;
+}
void setMeshColor(scene::IMesh *mesh, const video::SColor &color)
{
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 *)(vertices + i * stride))->Color = color;
- }
+ for (u32 j = 0; j < mc; j++)
+ setMeshBufferColor(mesh->getMeshBuffer(j), color);
}
-void shadeMeshFaces(scene::IMesh *mesh)
+void colorizeMeshBuffer(scene::IMeshBuffer *buf, const video::SColor *buffercolor)
{
- 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);
- }
- }
+ 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);
+ // Reset color
+ *vc = *buffercolor;
+ // Apply shading
+ applyFacesShading(*vc, vertex->Normal);
}
}
vertex->Color = colorY;
else
vertex->Color = colorZ;
+ }
+ }
+}
+
+void setMeshColorByNormal(scene::IMesh *mesh, const v3f &normal,
+ const video::SColor &color)
+{
+ if (!mesh)
+ return;
+ u16 mc = mesh->getMeshBufferCount();
+ for (u16 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);
+ if (normal == vertex->Normal) {
+ vertex->Color = color;
+ }
}
}
}
void recalculateBoundingBox(scene::IMesh *src_mesh)
{
- core::aabbox3d<f32> bbox;
+ aabb3f bbox;
bbox.reset(0,0,0);
for (u16 j = 0; j < src_mesh->getMeshBufferCount(); j++) {
scene::IMeshBuffer *buf = src_mesh->getMeshBuffer(j);
src_mesh->setBoundingBox(bbox);
}
-scene::IMesh* cloneMesh(scene::IMesh *src_mesh)
+scene::IMeshBuffer* cloneMeshBuffer(scene::IMeshBuffer *mesh_buffer)
+{
+ switch (mesh_buffer->getVertexType()) {
+ case video::EVT_STANDARD: {
+ video::S3DVertex *v = (video::S3DVertex *) mesh_buffer->getVertices();
+ u16 *indices = mesh_buffer->getIndices();
+ scene::SMeshBuffer *cloned_buffer = new scene::SMeshBuffer();
+ cloned_buffer->append(v, mesh_buffer->getVertexCount(), indices,
+ mesh_buffer->getIndexCount());
+ return cloned_buffer;
+ }
+ case video::EVT_2TCOORDS: {
+ video::S3DVertex2TCoords *v =
+ (video::S3DVertex2TCoords *) mesh_buffer->getVertices();
+ u16 *indices = mesh_buffer->getIndices();
+ scene::SMeshBufferTangents *cloned_buffer =
+ new scene::SMeshBufferTangents();
+ cloned_buffer->append(v, mesh_buffer->getVertexCount(), indices,
+ mesh_buffer->getIndexCount());
+ return cloned_buffer;
+ }
+ case video::EVT_TANGENTS: {
+ video::S3DVertexTangents *v =
+ (video::S3DVertexTangents *) mesh_buffer->getVertices();
+ u16 *indices = mesh_buffer->getIndices();
+ scene::SMeshBufferTangents *cloned_buffer =
+ new scene::SMeshBufferTangents();
+ cloned_buffer->append(v, mesh_buffer->getVertexCount(), indices,
+ mesh_buffer->getIndexCount());
+ return cloned_buffer;
+ }
+ }
+ // This should not happen.
+ sanity_check(false);
+ return NULL;
+}
+
+scene::SMesh* cloneMesh(scene::IMesh *src_mesh)
{
scene::SMesh* dst_mesh = new scene::SMesh();
for (u16 j = 0; j < src_mesh->getMeshBufferCount(); j++) {
- scene::IMeshBuffer *buf = src_mesh->getMeshBuffer(j);
- switch (buf->getVertexType()) {
- case video::EVT_STANDARD: {
- video::S3DVertex *v =
- (video::S3DVertex *) buf->getVertices();
- u16 *indices = (u16*)buf->getIndices();
- scene::SMeshBuffer *temp_buf = new scene::SMeshBuffer();
- temp_buf->append(v, buf->getVertexCount(),
- indices, buf->getIndexCount());
- dst_mesh->addMeshBuffer(temp_buf);
- temp_buf->drop();
- break;
- }
- case video::EVT_2TCOORDS: {
- video::S3DVertex2TCoords *v =
- (video::S3DVertex2TCoords *) buf->getVertices();
- u16 *indices = (u16*)buf->getIndices();
- scene::SMeshBufferTangents *temp_buf =
- new scene::SMeshBufferTangents();
- temp_buf->append(v, buf->getVertexCount(),
- indices, buf->getIndexCount());
- dst_mesh->addMeshBuffer(temp_buf);
- temp_buf->drop();
- break;
- }
- case video::EVT_TANGENTS: {
- video::S3DVertexTangents *v =
- (video::S3DVertexTangents *) buf->getVertices();
- u16 *indices = (u16*)buf->getIndices();
- scene::SMeshBufferTangents *temp_buf =
- new scene::SMeshBufferTangents();
- temp_buf->append(v, buf->getVertexCount(),
- indices, buf->getIndexCount());
- dst_mesh->addMeshBuffer(temp_buf);
- temp_buf->drop();
- break;
- }
- }
+ scene::IMeshBuffer *temp_buf = cloneMeshBuffer(
+ src_mesh->getMeshBuffer(j));
+ dst_mesh->addMeshBuffer(temp_buf);
+ temp_buf->drop();
+
}
return dst_mesh;
}
-scene::IMesh* convertNodeboxNodeToMesh(ContentFeatures *f)
+scene::IMesh* convertNodeboxesToMesh(const std::vector<aabb3f> &boxes,
+ const f32 *uv_coords, float expand)
{
scene::SMesh* dst_mesh = new scene::SMesh();
+
for (u16 j = 0; j < 6; j++)
{
scene::IMeshBuffer *buf = new scene::SMeshBuffer();
dst_mesh->addMeshBuffer(buf);
buf->drop();
}
-
- video::SColor c(255,255,255,255);
- std::vector<aabb3f> boxes = f->node_box.fixed;
-
- for(std::vector<aabb3f>::iterator
+ video::SColor c(255,255,255,255);
+
+ for (std::vector<aabb3f>::const_iterator
i = boxes.begin();
i != boxes.end(); ++i)
{
aabb3f box = *i;
-
- f32 temp;
- if (box.MinEdge.X > box.MaxEdge.X)
- {
- temp=box.MinEdge.X;
- box.MinEdge.X=box.MaxEdge.X;
- box.MaxEdge.X=temp;
- }
- if (box.MinEdge.Y > box.MaxEdge.Y)
- {
- temp=box.MinEdge.Y;
- box.MinEdge.Y=box.MaxEdge.Y;
- box.MaxEdge.Y=temp;
- }
- if (box.MinEdge.Z > box.MaxEdge.Z)
- {
- temp=box.MinEdge.Z;
- box.MinEdge.Z=box.MaxEdge.Z;
- box.MaxEdge.Z=temp;
- }
- // Compute texture coords
- f32 tx1 = (box.MinEdge.X/BS)+0.5;
- f32 ty1 = (box.MinEdge.Y/BS)+0.5;
- f32 tz1 = (box.MinEdge.Z/BS)+0.5;
- f32 tx2 = (box.MaxEdge.X/BS)+0.5;
- f32 ty2 = (box.MaxEdge.Y/BS)+0.5;
- f32 tz2 = (box.MaxEdge.Z/BS)+0.5;
- f32 txc[24] = {
+ box.repair();
+
+ box.MinEdge.X -= expand;
+ box.MinEdge.Y -= expand;
+ box.MinEdge.Z -= expand;
+ box.MaxEdge.X += expand;
+ box.MaxEdge.Y += expand;
+ box.MaxEdge.Z += expand;
+
+ // Compute texture UV coords
+ f32 tx1 = (box.MinEdge.X / BS) + 0.5;
+ f32 ty1 = (box.MinEdge.Y / BS) + 0.5;
+ f32 tz1 = (box.MinEdge.Z / BS) + 0.5;
+ f32 tx2 = (box.MaxEdge.X / BS) + 0.5;
+ f32 ty2 = (box.MaxEdge.Y / BS) + 0.5;
+ f32 tz2 = (box.MaxEdge.Z / BS) + 0.5;
+
+ f32 txc_default[24] = {
// up
- tx1, 1-tz2, tx2, 1-tz1,
+ tx1, 1 - tz2, tx2, 1 - tz1,
// down
tx1, tz1, tx2, tz2,
// right
- tz1, 1-ty2, tz2, 1-ty1,
+ tz1, 1 - ty2, tz2, 1 - ty1,
// left
- 1-tz2, 1-ty2, 1-tz1, 1-ty1,
+ 1 - tz2, 1 - ty2, 1 - tz1, 1 - ty1,
// back
- 1-tx2, 1-ty2, 1-tx1, 1-ty1,
+ 1 - tx2, 1 - ty2, 1 - tx1, 1 - ty1,
// front
- tx1, 1-ty2, tx2, 1-ty1,
+ tx1, 1 - ty2, tx2, 1 - ty1,
};
+
+ // use default texture UV mapping if not provided
+ const f32 *txc = uv_coords ? uv_coords : txc_default;
+
v3f min = box.MinEdge;
v3f max = box.MaxEdge;
buf->append(vertices + j, 4, indices, 6);
}
}
- return dst_mesh;
+ return dst_mesh;
}
struct vcache
projects / oweals / minetest.git / blobdiff