diff options
Diffstat (limited to 'src/mesh.cpp')
-rw-r--r-- | src/mesh.cpp | 214 |
1 files changed, 2 insertions, 212 deletions
diff --git a/src/mesh.cpp b/src/mesh.cpp index 19d75f9f5..38b3d97bc 100644 --- a/src/mesh.cpp +++ b/src/mesh.cpp @@ -91,218 +91,6 @@ scene::IAnimatedMesh* createCubeMesh(v3f scale) return anim_mesh; } -static scene::IAnimatedMesh* extrudeARGB(u32 twidth, u32 theight, u8 *data) -{ - const s32 argb_wstep = 4 * twidth; - const s32 alpha_threshold = 1; - - scene::IMeshBuffer *buf = new scene::SMeshBuffer(); - video::SColor c(255,255,255,255); - - // Front and back - { - video::S3DVertex vertices[8] = - { - video::S3DVertex(-0.5,-0.5,-0.5, 0,0,-1, c, 0,1), - video::S3DVertex(-0.5,+0.5,-0.5, 0,0,-1, c, 0,0), - video::S3DVertex(+0.5,+0.5,-0.5, 0,0,-1, c, 1,0), - video::S3DVertex(+0.5,-0.5,-0.5, 0,0,-1, c, 1,1), - video::S3DVertex(+0.5,-0.5,+0.5, 0,0,+1, c, 1,1), - video::S3DVertex(+0.5,+0.5,+0.5, 0,0,+1, c, 1,0), - video::S3DVertex(-0.5,+0.5,+0.5, 0,0,+1, c, 0,0), - video::S3DVertex(-0.5,-0.5,+0.5, 0,0,+1, c, 0,1), - }; - u16 indices[12] = {0,1,2,2,3,0,4,5,6,6,7,4}; - buf->append(vertices, 8, indices, 12); - } - - // "Interior" - // (add faces where a solid pixel is next to a transparent one) - u8 *solidity = new u8[(twidth+2) * (theight+2)]; - u32 wstep = twidth + 2; - for (u32 y = 0; y < theight + 2; ++y) - { - u8 *scanline = solidity + y * wstep; - if (y == 0 || y == theight + 1) - { - for (u32 x = 0; x < twidth + 2; ++x) - scanline[x] = 0; - } - else - { - scanline[0] = 0; - u8 *argb_scanline = data + (y - 1) * argb_wstep; - for (u32 x = 0; x < twidth; ++x) - scanline[x+1] = (argb_scanline[x*4+3] >= alpha_threshold); - scanline[twidth + 1] = 0; - } - } - - // without this, there would be occasional "holes" in the mesh - f32 eps = 0.01; - - for (u32 y = 0; y <= theight; ++y) - { - u8 *scanline = solidity + y * wstep + 1; - for (u32 x = 0; x <= twidth; ++x) - { - if (scanline[x] && !scanline[x + wstep]) - { - u32 xx = x + 1; - while (scanline[xx] && !scanline[xx + wstep]) - ++xx; - f32 vx1 = (x - eps) / (f32) twidth - 0.5; - f32 vx2 = (xx + eps) / (f32) twidth - 0.5; - f32 vy = 0.5 - (y - eps) / (f32) theight; - f32 tx1 = x / (f32) twidth; - f32 tx2 = xx / (f32) twidth; - f32 ty = (y - 0.5) / (f32) theight; - video::S3DVertex vertices[8] = - { - video::S3DVertex(vx1,vy,-0.5, 0,-1,0, c, tx1,ty), - video::S3DVertex(vx2,vy,-0.5, 0,-1,0, c, tx2,ty), - video::S3DVertex(vx2,vy,+0.5, 0,-1,0, c, tx2,ty), - video::S3DVertex(vx1,vy,+0.5, 0,-1,0, c, tx1,ty), - }; - u16 indices[6] = {0,1,2,2,3,0}; - buf->append(vertices, 4, indices, 6); - x = xx - 1; - } - if (!scanline[x] && scanline[x + wstep]) - { - u32 xx = x + 1; - while (!scanline[xx] && scanline[xx + wstep]) - ++xx; - f32 vx1 = (x - eps) / (f32) twidth - 0.5; - f32 vx2 = (xx + eps) / (f32) twidth - 0.5; - f32 vy = 0.5 - (y + eps) / (f32) theight; - f32 tx1 = x / (f32) twidth; - f32 tx2 = xx / (f32) twidth; - f32 ty = (y + 0.5) / (f32) theight; - video::S3DVertex vertices[8] = - { - video::S3DVertex(vx1,vy,-0.5, 0,1,0, c, tx1,ty), - video::S3DVertex(vx1,vy,+0.5, 0,1,0, c, tx1,ty), - video::S3DVertex(vx2,vy,+0.5, 0,1,0, c, tx2,ty), - video::S3DVertex(vx2,vy,-0.5, 0,1,0, c, tx2,ty), - }; - u16 indices[6] = {0,1,2,2,3,0}; - buf->append(vertices, 4, indices, 6); - x = xx - 1; - } - } - } - - for (u32 x = 0; x <= twidth; ++x) - { - u8 *scancol = solidity + x + wstep; - for (u32 y = 0; y <= theight; ++y) - { - if (scancol[y * wstep] && !scancol[y * wstep + 1]) - { - u32 yy = y + 1; - while (scancol[yy * wstep] && !scancol[yy * wstep + 1]) - ++yy; - f32 vx = (x - eps) / (f32) twidth - 0.5; - f32 vy1 = 0.5 - (y - eps) / (f32) theight; - f32 vy2 = 0.5 - (yy + eps) / (f32) theight; - f32 tx = (x - 0.5) / (f32) twidth; - f32 ty1 = y / (f32) theight; - f32 ty2 = yy / (f32) theight; - video::S3DVertex vertices[8] = - { - video::S3DVertex(vx,vy1,-0.5, 1,0,0, c, tx,ty1), - video::S3DVertex(vx,vy1,+0.5, 1,0,0, c, tx,ty1), - video::S3DVertex(vx,vy2,+0.5, 1,0,0, c, tx,ty2), - video::S3DVertex(vx,vy2,-0.5, 1,0,0, c, tx,ty2), - }; - u16 indices[6] = {0,1,2,2,3,0}; - buf->append(vertices, 4, indices, 6); - y = yy - 1; - } - if (!scancol[y * wstep] && scancol[y * wstep + 1]) - { - u32 yy = y + 1; - while (!scancol[yy * wstep] && scancol[yy * wstep + 1]) - ++yy; - f32 vx = (x + eps) / (f32) twidth - 0.5; - f32 vy1 = 0.5 - (y - eps) / (f32) theight; - f32 vy2 = 0.5 - (yy + eps) / (f32) theight; - f32 tx = (x + 0.5) / (f32) twidth; - f32 ty1 = y / (f32) theight; - f32 ty2 = yy / (f32) theight; - video::S3DVertex vertices[8] = - { - video::S3DVertex(vx,vy1,-0.5, -1,0,0, c, tx,ty1), - video::S3DVertex(vx,vy2,-0.5, -1,0,0, c, tx,ty2), - video::S3DVertex(vx,vy2,+0.5, -1,0,0, c, tx,ty2), - video::S3DVertex(vx,vy1,+0.5, -1,0,0, c, tx,ty1), - }; - u16 indices[6] = {0,1,2,2,3,0}; - buf->append(vertices, 4, indices, 6); - y = yy - 1; - } - } - } - - delete[] solidity; - - // Add to mesh - scene::SMesh *mesh = new scene::SMesh(); - mesh->addMeshBuffer(buf); - buf->drop(); - scene::SAnimatedMesh *anim_mesh = new scene::SAnimatedMesh(mesh); - mesh->drop(); - return anim_mesh; -} - -scene::IAnimatedMesh* createExtrudedMesh(video::ITexture *texture, - video::IVideoDriver *driver, v3f scale) -{ - scene::IAnimatedMesh *mesh = NULL; - core::dimension2d<u32> size = texture->getOriginalSize(); - video::ECOLOR_FORMAT format = texture->getColorFormat(); - if (format == video::ECF_A8R8G8B8) - { - // Texture is in the correct color format, we can pass it - // to extrudeARGB right away. - void *data = texture->lock(MY_ETLM_READ_ONLY); - if (data == NULL) - return NULL; - mesh = extrudeARGB(size.Width, size.Height, (u8*) data); - texture->unlock(); - } - else - { - video::IImage *img1 = driver->createImageFromData(format, size, texture->lock(MY_ETLM_READ_ONLY)); - if (img1 == NULL) - return NULL; - - // img1 is in the texture's color format, convert to 8-bit ARGB - video::IImage *img2 = driver->createImage(video::ECF_A8R8G8B8, size); - if (img2 == NULL) - { - img1->drop(); - return NULL; - } - - img1->copyTo(img2); - img1->drop(); - mesh = extrudeARGB(size.Width, size.Height, (u8*) img2->lock()); - img2->unlock(); - img2->drop(); - } - - // Set default material - mesh->getMeshBuffer(0)->getMaterial().setTexture(0, texture); - mesh->getMeshBuffer(0)->getMaterial().setFlag(video::EMF_LIGHTING, false); - mesh->getMeshBuffer(0)->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false); - mesh->getMeshBuffer(0)->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; - - scaleMesh(mesh, scale); // also recalculates bounding box - return mesh; -} - void scaleMesh(scene::IMesh *mesh, v3f scale) { if(mesh == NULL) @@ -523,6 +311,8 @@ scene::IMesh* convertNodeboxNodeToMesh(ContentFeatures *f) for (u16 j = 0; j < 6; j++) { scene::IMeshBuffer *buf = new scene::SMeshBuffer(); + buf->getMaterial().setFlag(video::EMF_LIGHTING, false); + buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false); dst_mesh->addMeshBuffer(buf); buf->drop(); } |