diff options
Diffstat (limited to '')
-rw-r--r-- | src/camera.cpp | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/src/camera.cpp b/src/camera.cpp index 43009bd7c..aae36c512 100644 --- a/src/camera.cpp +++ b/src/camera.cpp @@ -63,6 +63,8 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control): m_headnode = smgr->addEmptySceneNode(m_playernode); m_cameranode = smgr->addCameraSceneNode(smgr->getRootSceneNode()); m_cameranode->bindTargetAndRotation(true); + m_wieldnode = new ExtrudedSpriteSceneNode(smgr->getRootSceneNode(), smgr, -1, v3f(0, 120, 10), v3f(0, 0, 0), v3f(100, 100, 100)); + //m_wieldnode = new ExtrudedSpriteSceneNode(smgr->getRootSceneNode(), smgr, -1); updateSettings(); } @@ -341,3 +343,350 @@ void Camera::updateSettings() m_wanted_frametime = 1.0 / wanted_fps; } +void Camera::wield(InventoryItem* item) +{ + if (item != NULL) + { + dstream << "wield item: " << item->getName() << std::endl; + m_wieldnode->setSprite(item->getImageRaw()); + m_wieldnode->setVisible(true); + } + else + { + dstream << "wield item: none" << std::endl; + m_wieldnode->setVisible(false); + } +} + +void Camera::setDigging(bool digging) +{ + // TODO +} + + +ExtrudedSpriteSceneNode::ExtrudedSpriteSceneNode( + scene::ISceneNode* parent, + scene::ISceneManager* mgr, + s32 id, + const v3f& position, + const v3f& rotation, + const v3f& scale +): + ISceneNode(parent, mgr, id, position, rotation, scale) +{ + m_meshnode = mgr->addMeshSceneNode(NULL, this, -1, v3f(0,0,0), v3f(0,0,0), v3f(1,1,1), true); + m_thickness = 0.1; + m_cubemesh = NULL; + m_is_cube = false; +} + +ExtrudedSpriteSceneNode::~ExtrudedSpriteSceneNode() +{ + removeChild(m_meshnode); + if (m_cubemesh) + m_cubemesh->drop(); +} + +void ExtrudedSpriteSceneNode::setSprite(video::ITexture* texture) +{ + if (texture == NULL) + { + m_meshnode->setVisible(false); + return; + } + + io::path name = getExtrudedName(texture); + scene::IMeshCache* cache = SceneManager->getMeshCache(); + scene::IAnimatedMesh* mesh = cache->getMeshByName(name); + if (mesh != NULL) + { + // Extruded texture has been found in cache. + m_meshnode->setMesh(mesh); + } + else + { + // Texture was not yet extruded, do it now and save in cache + mesh = extrude(texture); + if (mesh == NULL) + { + dstream << "Warning: failed to extrude sprite" << std::endl; + m_meshnode->setVisible(false); + return; + } + cache->addMesh(name, mesh); + m_meshnode->setMesh(mesh); + mesh->drop(); + } + + m_meshnode->setScale(v3f(1, 1, m_thickness)); + m_meshnode->getMaterial(0).setTexture(0, texture); + m_meshnode->getMaterial(0).setFlag(video::EMF_LIGHTING, false); + m_meshnode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, false); + m_meshnode->getMaterial(0).MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; + m_meshnode->setVisible(true); + m_is_cube = false; +} + +void ExtrudedSpriteSceneNode::setCube(video::ITexture* texture) +{ + if (texture == NULL) + { + m_meshnode->setVisible(false); + return; + } + + if (m_cubemesh == NULL) + m_cubemesh = SceneManager->getGeometryCreator()->createCubeMesh(v3f(1)); + + m_meshnode->setMesh(m_cubemesh); + m_meshnode->setScale(v3f(1)); + m_meshnode->getMaterial(0).setTexture(0, texture); + m_meshnode->getMaterial(0).setFlag(video::EMF_LIGHTING, false); + m_meshnode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, false); + m_meshnode->getMaterial(0).MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; + m_meshnode->setVisible(true); + m_is_cube = true; +} + +void ExtrudedSpriteSceneNode::removeSpriteFromCache(video::ITexture* texture) +{ + scene::IMeshCache* cache = SceneManager->getMeshCache(); + scene::IAnimatedMesh* mesh = cache->getMeshByName(getExtrudedName(texture)); + if (mesh != NULL) + cache->removeMesh(mesh); +} + +void ExtrudedSpriteSceneNode::setSpriteThickness(f32 thickness) +{ + m_thickness = thickness; + if (!m_is_cube) + m_meshnode->setScale(v3f(1, 1, thickness)); +} + +const core::aabbox3d<f32>& ExtrudedSpriteSceneNode::getBoundingBox() const +{ + return m_meshnode->getBoundingBox(); +} + +void ExtrudedSpriteSceneNode::OnRegisterSceneNode() +{ + if (IsVisible) + SceneManager->registerNodeForRendering(this); + ISceneNode::OnRegisterSceneNode(); +} + +void ExtrudedSpriteSceneNode::render() +{ + // do nothing +} + +io::path ExtrudedSpriteSceneNode::getExtrudedName(video::ITexture* texture) +{ + io::path path = texture->getName(); + path.append("/[extruded]"); + return path; +} + +scene::IAnimatedMesh* ExtrudedSpriteSceneNode::extrudeARGB(u32 width, u32 height, u8* data) +{ + const s32 argb_wstep = 4 * width; + 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[(width+2) * (height+2)]; + u32 wstep = width + 2; + for (u32 y = 0; y < height + 2; ++y) + { + u8* scanline = solidity + y * wstep; + if (y == 0 || y == height + 1) + { + for (u32 x = 0; x < width + 2; ++x) + scanline[x] = 0; + } + else + { + scanline[0] = 0; + u8* argb_scanline = data + (y - 1) * argb_wstep; + for (u32 x = 0; x < width; ++x) + scanline[x+1] = (argb_scanline[x*4+3] >= alpha_threshold); + scanline[width + 1] = 0; + } + } + + // without this, there would be occasional "holes" in the mesh + f32 eps = 0.01; + + for (u32 y = 0; y <= height; ++y) + { + u8* scanline = solidity + y * wstep + 1; + for (u32 x = 0; x <= width; ++x) + { + if (scanline[x] && !scanline[x + wstep]) + { + u32 xx = x + 1; + while (scanline[xx] && !scanline[xx + wstep]) + ++xx; + f32 vx1 = (x - eps) / (f32) width - 0.5; + f32 vx2 = (xx + eps) / (f32) width - 0.5; + f32 vy = 0.5 - (y - eps) / (f32) height; + f32 tx1 = x / (f32) width; + f32 tx2 = xx / (f32) width; + f32 ty = (y - 0.5) / (f32) height; + 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) width - 0.5; + f32 vx2 = (xx + eps) / (f32) width - 0.5; + f32 vy = 0.5 - (y + eps) / (f32) height; + f32 tx1 = x / (f32) width; + f32 tx2 = xx / (f32) width; + f32 ty = (y + 0.5) / (f32) height; + 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 <= width; ++x) + { + u8* scancol = solidity + x + wstep; + for (u32 y = 0; y <= height; ++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) width - 0.5; + f32 vy1 = 0.5 - (y - eps) / (f32) height; + f32 vy2 = 0.5 - (yy + eps) / (f32) height; + f32 tx = (x - 0.5) / (f32) width; + f32 ty1 = y / (f32) height; + f32 ty2 = yy / (f32) height; + 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) width - 0.5; + f32 vy1 = 0.5 - (y - eps) / (f32) height; + f32 vy2 = 0.5 - (yy + eps) / (f32) height; + f32 tx = (x + 0.5) / (f32) width; + f32 ty1 = y / (f32) height; + f32 ty2 = yy / (f32) height; + 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; + } + } + } + + // Add to mesh + scene::SMesh* mesh = new scene::SMesh(); + mesh->addMeshBuffer(buf); + buf->drop(); + mesh->recalculateBoundingBox(); + scene::SAnimatedMesh* anim_mesh = new scene::SAnimatedMesh(mesh); + mesh->drop(); + return anim_mesh; +} + +scene::IAnimatedMesh* ExtrudedSpriteSceneNode::extrude(video::ITexture* texture) +{ + scene::IAnimatedMesh* mesh = NULL; + core::dimension2d<u32> size = texture->getSize(); + 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(true); + if (data == NULL) + return NULL; + mesh = extrudeARGB(size.Width, size.Height, (u8*) data); + texture->unlock(); + } + else + { + video::IVideoDriver* driver = SceneManager->getVideoDriver(); + + video::IImage* img1 = driver->createImageFromData(format, size, texture->lock(true)); + 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->copyTo(img2); + img1->drop(); + + mesh = extrudeARGB(size.Width, size.Height, (u8*) img2->lock()); + img2->unlock(); + img2->drop(); + } + img1->drop(); + } + return mesh; +} + |