diff options
Diffstat (limited to 'src/camera.cpp')
| -rw-r--r-- | src/camera.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/camera.cpp b/src/camera.cpp index 94bbe9880..8aac32123 100644 --- a/src/camera.cpp +++ b/src/camera.cpp @@ -34,6 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "util/numeric.h" #include "util/mathconstants.h" #include "constants.h" +#include "fontengine.h" #define CAMERA_OFFSET_STEP 200 @@ -81,6 +82,7 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control, { //dstream<<FUNCTION_NAME<<std::endl; + m_driver = smgr->getVideoDriver(); // note: making the camera node a child of the player node // would lead to unexpected behaviour, so we don't do that. m_playernode = smgr->addEmptySceneNode(smgr->getRootSceneNode()); @@ -110,6 +112,7 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control, m_cache_wanted_fps = g_settings->getFloat("wanted_fps"); m_cache_fov = g_settings->getFloat("fov"); m_cache_view_bobbing = g_settings->getBool("view_bobbing"); + m_nametags.clear(); } Camera::~Camera() @@ -662,3 +665,49 @@ void Camera::drawWieldedTool(irr::core::matrix4* translation) } m_wieldmgr->drawAll(); } + +void Camera::drawNametags() +{ + core::matrix4 trans = m_cameranode->getProjectionMatrix(); + trans *= m_cameranode->getViewMatrix(); + + for (std::list<Nametag *>::const_iterator + i = m_nametags.begin(); + i != m_nametags.end(); ++i) { + Nametag *nametag = *i; + v3f pos = nametag->parent_node->getPosition() - + intToFloat(m_camera_offset, BS) + v3f(0.0, 1.1 * BS, 0.0); + f32 transformed_pos[4] = { pos.X, pos.Y, pos.Z, 1.0f }; + trans.multiplyWith1x4Matrix(transformed_pos); + if (transformed_pos[3] > 0) { + core::dimension2d<u32> textsize = + g_fontengine->getFont()->getDimension( + utf8_to_wide(nametag->nametag_text).c_str()); + f32 zDiv = transformed_pos[3] == 0.0f ? 1.0f : + core::reciprocal(transformed_pos[3]); + v2u32 screensize = m_driver->getScreenSize(); + v2s32 screen_pos; + screen_pos.X = screensize.X * + (0.5 * transformed_pos[0] * zDiv + 0.5) - textsize.Width / 2; + screen_pos.Y = screensize.Y * + (0.5 - transformed_pos[1] * zDiv * 0.5) - textsize.Height / 2; + core::rect<s32> size(0, 0, textsize.Width, textsize.Height); + g_fontengine->getFont()->draw(utf8_to_wide(nametag->nametag_text).c_str(), + size + screen_pos, nametag->nametag_color); + } + } +} + +Nametag *Camera::addNametag(scene::ISceneNode *parent_node, + std::string nametag_text, video::SColor nametag_color) +{ + Nametag *nametag = new Nametag(parent_node, nametag_text, nametag_color); + m_nametags.push_back(nametag); + return nametag; +} + +void Camera::removeNametag(Nametag *nametag) +{ + m_nametags.remove(nametag); + delete nametag; +} |