#include "camera.h"
#include "debug.h"
#include "client.h"
-#include "main.h" // for g_settings
#include "map.h"
-#include "clientmap.h" // MapDrawControl
+#include "clientmap.h" // MapDrawControl
#include "player.h"
#include <cmath>
+#include "client/renderingengine.h"
#include "settings.h"
#include "wieldmesh.h"
-#include "noise.h" // easeCurve
-#include "gamedef.h"
+#include "noise.h" // easeCurve
#include "sound.h"
#include "event.h"
#include "profiler.h"
#include "util/numeric.h"
-#include "util/mathconstants.h"
#include "constants.h"
+#include "fontengine.h"
+#include "script/scripting_client.h"
#define CAMERA_OFFSET_STEP 200
+#define WIELDMESH_OFFSET_X 55.0f
+#define WIELDMESH_OFFSET_Y -35.0f
-#include "nodedef.h"
-
-Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
- IGameDef *gamedef):
- m_playernode(NULL),
- m_headnode(NULL),
- m_cameranode(NULL),
-
- m_wieldmgr(NULL),
- m_wieldnode(NULL),
-
+Camera::Camera(MapDrawControl &draw_control, Client *client):
m_draw_control(draw_control),
- m_gamedef(gamedef),
-
- m_camera_position(0,0,0),
- m_camera_direction(0,0,0),
- m_camera_offset(0,0,0),
-
- m_aspect(1.0),
- m_fov_x(1.0),
- m_fov_y(1.0),
-
- m_added_busytime(0),
- m_added_frames(0),
- m_range_old(0),
- m_busytime_old(0),
- m_frametime_counter(0),
- m_time_per_range(30. / 50), // a sane default of 30ms per 50 nodes of range
-
- m_view_bobbing_anim(0),
- m_view_bobbing_state(0),
- m_view_bobbing_speed(0),
- m_view_bobbing_fall(0),
-
- m_digging_anim(0),
- m_digging_button(-1),
-
- m_wield_change_timer(0.125),
- m_wield_item_next(),
-
- m_camera_mode(CAMERA_MODE_FIRST)
+ m_client(client)
{
- //dstream<<__FUNCTION_NAME<<std::endl;
-
+ scene::ISceneManager *smgr = RenderingEngine::get_scene_manager();
// 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());
// all other 3D scene nodes and before the GUI.
m_wieldmgr = smgr->createNewSceneManager();
m_wieldmgr->addCameraSceneNode();
- m_wieldnode = new WieldMeshSceneNode(m_wieldmgr->getRootSceneNode(), m_wieldmgr, -1, true);
- m_wieldnode->setItem(ItemStack(), m_gamedef);
+ m_wieldnode = new WieldMeshSceneNode(m_wieldmgr, -1, false);
+ m_wieldnode->setItem(ItemStack(), m_client);
m_wieldnode->drop(); // m_wieldmgr grabbed it
- m_wieldlightnode = m_wieldmgr->addLightSceneNode(NULL, v3f(0.0, 50.0, 0.0));
/* TODO: Add a callback function so these can be updated when a setting
* changes. At this point in time it doesn't matter (e.g. /set
*/
m_cache_fall_bobbing_amount = g_settings->getFloat("fall_bobbing_amount");
m_cache_view_bobbing_amount = g_settings->getFloat("view_bobbing_amount");
- 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_cache_zoom_fov = g_settings->getFloat("zoom_fov");
+ m_arm_inertia = g_settings->getBool("arm_inertia");
+ m_nametags.clear();
}
Camera::~Camera()
m_wieldmgr->drop();
}
-bool Camera::successfullyCreated(std::wstring& error_message)
+bool Camera::successfullyCreated(std::string &error_message)
{
- if (m_playernode == NULL)
- {
- error_message = L"Failed to create the player scene node";
- return false;
- }
- if (m_headnode == NULL)
- {
- error_message = L"Failed to create the head scene node";
- return false;
- }
- if (m_cameranode == NULL)
- {
- error_message = L"Failed to create the camera scene node";
- return false;
- }
- if (m_wieldmgr == NULL)
- {
- error_message = L"Failed to create the wielded item scene manager";
- return false;
+ if (!m_playernode) {
+ error_message = "Failed to create the player scene node";
+ } else if (!m_headnode) {
+ error_message = "Failed to create the head scene node";
+ } else if (!m_cameranode) {
+ error_message = "Failed to create the camera scene node";
+ } else if (!m_wieldmgr) {
+ error_message = "Failed to create the wielded item scene manager";
+ } else if (!m_wieldnode) {
+ error_message = "Failed to create the wielded item scene node";
+ } else {
+ error_message.clear();
}
- if (m_wieldnode == NULL)
- {
- error_message = L"Failed to create the wielded item scene node";
- return false;
+
+ if (g_settings->getBool("enable_client_modding")) {
+ m_client->getScript()->on_camera_ready(this);
}
- return true;
+ return error_message.empty();
}
// Returns the fractional part of x
m_wield_change_timer = MYMIN(m_wield_change_timer + dtime, 0.125);
if (m_wield_change_timer >= 0 && was_under_zero)
- m_wieldnode->setItem(m_wield_item_next, m_gamedef);
+ m_wieldnode->setItem(m_wield_item_next, m_client);
if (m_view_bobbing_state != 0)
{
//f32 offset = dtime * m_view_bobbing_speed * 0.035;
f32 offset = dtime * m_view_bobbing_speed * 0.030;
- if (m_view_bobbing_state == 2)
- {
-#if 0
+ if (m_view_bobbing_state == 2) {
// Animation is getting turned off
- if (m_view_bobbing_anim < 0.5)
+ if (m_view_bobbing_anim < 0.25) {
m_view_bobbing_anim -= offset;
- else
+ } else if (m_view_bobbing_anim > 0.75) {
m_view_bobbing_anim += offset;
- if (m_view_bobbing_anim <= 0 || m_view_bobbing_anim >= 1)
- {
- m_view_bobbing_anim = 0;
- m_view_bobbing_state = 0;
}
-#endif
-#if 1
- // Animation is getting turned off
- if(m_view_bobbing_anim < 0.25)
- {
- m_view_bobbing_anim -= offset;
- } else if(m_view_bobbing_anim > 0.75) {
- m_view_bobbing_anim += offset;
- }
- if(m_view_bobbing_anim < 0.5)
- {
+
+ if (m_view_bobbing_anim < 0.5) {
m_view_bobbing_anim += offset;
- if(m_view_bobbing_anim > 0.5)
+ if (m_view_bobbing_anim > 0.5)
m_view_bobbing_anim = 0.5;
} else {
m_view_bobbing_anim -= offset;
- if(m_view_bobbing_anim < 0.5)
+ if (m_view_bobbing_anim < 0.5)
m_view_bobbing_anim = 0.5;
}
- if(m_view_bobbing_anim <= 0 || m_view_bobbing_anim >= 1 ||
- fabs(m_view_bobbing_anim - 0.5) < 0.01)
- {
+
+ if (m_view_bobbing_anim <= 0 || m_view_bobbing_anim >= 1 ||
+ fabs(m_view_bobbing_anim - 0.5) < 0.01) {
m_view_bobbing_anim = 0;
m_view_bobbing_state = 0;
}
-#endif
}
- else
- {
+ else {
float was = m_view_bobbing_anim;
m_view_bobbing_anim = my_modf(m_view_bobbing_anim + offset);
bool step = (was == 0 ||
(was < 0.5f && m_view_bobbing_anim >= 0.5f) ||
(was > 0.5f && m_view_bobbing_anim <= 0.5f));
- if(step)
- {
+ if(step) {
MtEvent *e = new SimpleTriggerEvent("ViewBobbingStep");
- m_gamedef->event()->put(e);
+ m_client->event()->put(e);
}
}
}
if(m_digging_button == 0)
{
MtEvent *e = new SimpleTriggerEvent("CameraPunchLeft");
- m_gamedef->event()->put(e);
+ m_client->event()->put(e);
} else if(m_digging_button == 1) {
MtEvent *e = new SimpleTriggerEvent("CameraPunchRight");
- m_gamedef->event()->put(e);
+ m_client->event()->put(e);
}
}
}
}
+static inline v2f dir(const v2f &pos_dist)
+{
+ f32 x = pos_dist.X - WIELDMESH_OFFSET_X;
+ f32 y = pos_dist.Y - WIELDMESH_OFFSET_Y;
+
+ f32 x_abs = std::fabs(x);
+ f32 y_abs = std::fabs(y);
+
+ if (x_abs >= y_abs) {
+ y *= (1.0f / x_abs);
+ x /= x_abs;
+ }
+
+ if (y_abs >= x_abs) {
+ x *= (1.0f / y_abs);
+ y /= y_abs;
+ }
+
+ return v2f(std::fabs(x), std::fabs(y));
+}
+
+void Camera::addArmInertia(f32 player_yaw)
+{
+ m_cam_vel.X = std::fabs(rangelim(m_last_cam_pos.X - player_yaw,
+ -100.0f, 100.0f) / 0.016f) * 0.01f;
+ m_cam_vel.Y = std::fabs((m_last_cam_pos.Y - m_camera_direction.Y) / 0.016f);
+ f32 gap_X = std::fabs(WIELDMESH_OFFSET_X - m_wieldmesh_offset.X);
+ f32 gap_Y = std::fabs(WIELDMESH_OFFSET_Y - m_wieldmesh_offset.Y);
+
+ if (m_cam_vel.X > 1.0f || m_cam_vel.Y > 1.0f) {
+ /*
+ The arm moves relative to the camera speed,
+ with an acceleration factor.
+ */
+
+ if (m_cam_vel.X > 1.0f) {
+ if (m_cam_vel.X > m_cam_vel_old.X)
+ m_cam_vel_old.X = m_cam_vel.X;
+
+ f32 acc_X = 0.12f * (m_cam_vel.X - (gap_X * 0.1f));
+ m_wieldmesh_offset.X += m_last_cam_pos.X < player_yaw ? acc_X : -acc_X;
+
+ if (m_last_cam_pos.X != player_yaw)
+ m_last_cam_pos.X = player_yaw;
+
+ m_wieldmesh_offset.X = rangelim(m_wieldmesh_offset.X,
+ WIELDMESH_OFFSET_X - 7.0f, WIELDMESH_OFFSET_X + 7.0f);
+ }
+
+ if (m_cam_vel.Y > 1.0f) {
+ if (m_cam_vel.Y > m_cam_vel_old.Y)
+ m_cam_vel_old.Y = m_cam_vel.Y;
+
+ f32 acc_Y = 0.12f * (m_cam_vel.Y - (gap_Y * 0.1f));
+ m_wieldmesh_offset.Y +=
+ m_last_cam_pos.Y > m_camera_direction.Y ? acc_Y : -acc_Y;
+
+ if (m_last_cam_pos.Y != m_camera_direction.Y)
+ m_last_cam_pos.Y = m_camera_direction.Y;
+
+ m_wieldmesh_offset.Y = rangelim(m_wieldmesh_offset.Y,
+ WIELDMESH_OFFSET_Y - 10.0f, WIELDMESH_OFFSET_Y + 5.0f);
+ }
+
+ m_arm_dir = dir(m_wieldmesh_offset);
+ } else {
+ /*
+ Now the arm gets back to its default position when the camera stops,
+ following a vector, with a smooth deceleration factor.
+ */
+
+ f32 dec_X = 0.12f * (m_cam_vel_old.X * (1.0f +
+ (1.0f - m_arm_dir.X))) * (gap_X / 20.0f);
+
+ f32 dec_Y = 0.06f * (m_cam_vel_old.Y * (1.0f +
+ (1.0f - m_arm_dir.Y))) * (gap_Y / 15.0f);
+
+ if (gap_X < 0.1f)
+ m_cam_vel_old.X = 0.0f;
+
+ m_wieldmesh_offset.X -=
+ m_wieldmesh_offset.X > WIELDMESH_OFFSET_X ? dec_X : -dec_X;
+
+ if (gap_Y < 0.1f)
+ m_cam_vel_old.Y = 0.0f;
+
+ m_wieldmesh_offset.Y -=
+ m_wieldmesh_offset.Y > WIELDMESH_OFFSET_Y ? dec_Y : -dec_Y;
+ }
+}
+
void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime,
f32 tool_reload_ratio, ClientEnvironment &c_env)
{
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
- if (m_view_bobbing_anim != 0 && m_camera_mode < CAMERA_MODE_THIRD)
- {
+ if (m_cache_view_bobbing_amount != 0.0f && m_view_bobbing_anim != 0.0f &&
+ m_camera_mode < CAMERA_MODE_THIRD) {
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
my_cp.Y = m_camera_position.Y + (m_camera_direction.Y*-i);
// Prevent camera positioned inside nodes
- INodeDefManager *nodemgr = m_gamedef->ndef();
+ INodeDefManager *nodemgr = m_client->ndef();
MapNode n = c_env.getClientMap().getNodeNoEx(floatToInt(my_cp, BS));
const ContentFeatures& features = nodemgr->get(n);
if(features.walkable)
if (m_camera_mode == CAMERA_MODE_THIRD_FRONT)
m_camera_position = my_cp;
- // Get FOV setting
- f32 fov_degrees = m_cache_fov;
- fov_degrees = MYMAX(fov_degrees, 10.0);
- fov_degrees = MYMIN(fov_degrees, 170.0);
+ // Get FOV
+ f32 fov_degrees;
+ if (player->getPlayerControl().zoom && m_client->checkLocalPrivilege("zoom")) {
+ fov_degrees = m_cache_zoom_fov;
+ } else {
+ fov_degrees = m_cache_fov;
+ }
+ fov_degrees = rangelim(fov_degrees, 7.0, 160.0);
// FOV and aspect ratio
- m_aspect = (f32) porting::getWindowSize().X / (f32) porting::getWindowSize().Y;
+ const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
+ m_aspect = (f32) window_size.X / (f32) window_size.Y;
m_fov_y = fov_degrees * M_PI / 180.0;
// Increase vertical FOV on lower aspect ratios (<16:10)
m_fov_y *= MYMAX(1.0, MYMIN(1.4, sqrt(16./10. / m_aspect)));
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
+ if (m_arm_inertia)
+ addArmInertia(player->getYaw());
+
// Position the wielded item
//v3f wield_position = v3f(45, -35, 65);
- v3f wield_position = v3f(55, -35, 65);
+ v3f wield_position = v3f(m_wieldmesh_offset.X, m_wieldmesh_offset.Y, 65);
//v3f wield_rotation = v3f(-100, 120, -100);
v3f wield_rotation = v3f(-100, 120, -100);
wield_position.Y += fabs(m_wield_change_timer)*320 - 40;
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
- // Shine light upon the wield mesh
- video::SColor black(255,0,0,0);
- m_wieldmgr->setAmbientLight(player->light_color.getInterpolated(black, 0.7));
- m_wieldlightnode->getLightData().DiffuseColor = player->light_color.getInterpolated(black, 0.3);
- m_wieldlightnode->setPosition(v3f(30+5*sin(2*player->getYaw()*M_PI/180), -50, 0));
+ m_wieldnode->setColor(player->light_color);
- // Render distance feedback loop
- updateViewingRange(frametime, busytime);
+ // Set render distance
+ updateViewingRange();
// If the player is walking, swimming, or climbing,
// view bobbing is enabled and free_move is off,
// start (or continue) the view bobbing animation.
- v3f speed = player->getSpeed();
+ const v3f &speed = player->getSpeed();
const bool movement_XZ = hypot(speed.X, speed.Z) > BS;
- const bool movement_Y = abs(speed.Y) > BS;
+ const bool movement_Y = fabs(speed.Y) > BS;
const bool walking = movement_XZ && player->touching_ground;
const bool swimming = (movement_XZ || player->swimming_vertical) && player->in_liquid;
const bool climbing = movement_Y && player->is_climbing;
if ((walking || swimming || climbing) &&
- m_cache_view_bobbing &&
- (!g_settings->getBool("free_move") || !m_gamedef->checkLocalPrivilege("fly")))
- {
+ (!g_settings->getBool("free_move") || !m_client->checkLocalPrivilege("fly"))) {
// Start animation
m_view_bobbing_state = 1;
- m_view_bobbing_speed = MYMIN(speed.getLength(), 40);
+ m_view_bobbing_speed = MYMIN(speed.getLength(), 70);
}
else if (m_view_bobbing_state == 1)
{
}
}
-void Camera::updateViewingRange(f32 frametime_in, f32 busytime_in)
+void Camera::updateViewingRange()
{
- if (m_draw_control.range_all)
- return;
-
- m_added_busytime += busytime_in;
- m_added_frames += 1;
-
- m_frametime_counter -= frametime_in;
- if (m_frametime_counter > 0)
- return;
- m_frametime_counter = 0.2; // Same as ClientMap::updateDrawList interval
-
- /*dstream<<__FUNCTION_NAME
- <<": Collected "<<m_added_frames<<" frames, total of "
- <<m_added_busytime<<"s."<<std::endl;
-
- dstream<<"m_draw_control.blocks_drawn="
- <<m_draw_control.blocks_drawn
- <<", m_draw_control.blocks_would_have_drawn="
- <<m_draw_control.blocks_would_have_drawn
- <<std::endl;*/
-
- // Get current viewing range and FPS settings
- f32 viewing_range_min = g_settings->getFloat("viewing_range_nodes_min");
- viewing_range_min = MYMAX(15.0, viewing_range_min);
-
- f32 viewing_range_max = g_settings->getFloat("viewing_range_nodes_max");
- viewing_range_max = MYMAX(viewing_range_min, viewing_range_max);
-
- // Immediately apply hard limits
- if(m_draw_control.wanted_range < viewing_range_min)
- m_draw_control.wanted_range = viewing_range_min;
- if(m_draw_control.wanted_range > viewing_range_max)
- m_draw_control.wanted_range = viewing_range_max;
-
- // Just so big a value that everything rendered is visible
- // Some more allowance than viewing_range_max * BS because of clouds,
- // active objects, etc.
- if(viewing_range_max < 200*BS)
- m_cameranode->setFarValue(200 * BS * 10);
- else
- m_cameranode->setFarValue(viewing_range_max * BS * 10);
-
- f32 wanted_fps = m_cache_wanted_fps;
- wanted_fps = MYMAX(wanted_fps, 1.0);
- f32 wanted_frametime = 1.0 / wanted_fps;
-
- m_draw_control.wanted_min_range = viewing_range_min;
- m_draw_control.wanted_max_blocks = (2.0*m_draw_control.blocks_would_have_drawn)+1;
- if (m_draw_control.wanted_max_blocks < 10)
- m_draw_control.wanted_max_blocks = 10;
-
- f32 block_draw_ratio = 1.0;
- if (m_draw_control.blocks_would_have_drawn != 0)
- {
- block_draw_ratio = (f32)m_draw_control.blocks_drawn
- / (f32)m_draw_control.blocks_would_have_drawn;
- }
-
- // Calculate the average frametime in the case that all wanted
- // blocks had been drawn
- f32 frametime = m_added_busytime / m_added_frames / block_draw_ratio;
-
- m_added_busytime = 0.0;
- m_added_frames = 0;
-
- f32 wanted_frametime_change = wanted_frametime - frametime;
- //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
- g_profiler->avg("wanted_frametime_change", wanted_frametime_change);
-
- // If needed frametime change is small, just return
- // This value was 0.4 for many months until 2011-10-18 by c55;
- if (fabs(wanted_frametime_change) < wanted_frametime*0.33)
- {
- //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
- return;
- }
-
- f32 range = m_draw_control.wanted_range;
- f32 new_range = range;
-
- f32 d_range = range - m_range_old;
- f32 d_busytime = busytime_in - m_busytime_old;
- if (d_range != 0)
- {
- m_time_per_range = d_busytime / d_range;
- }
- //dstream<<"time_per_range="<<m_time_per_range<<std::endl;
- g_profiler->avg("time_per_range", m_time_per_range);
-
- // The minimum allowed calculated frametime-range derivative:
- // Practically this sets the maximum speed of changing the range.
- // The lower this value, the higher the maximum changing speed.
- // A low value here results in wobbly range (0.001)
- // A low value can cause oscillation in very nonlinear time/range curves.
- // A high value here results in slow changing range (0.0025)
- // SUGG: This could be dynamically adjusted so that when
- // the camera is turning, this is lower
- //f32 min_time_per_range = 0.0010; // Up to 0.4.7
- f32 min_time_per_range = 0.0005;
- if(m_time_per_range < min_time_per_range)
- {
- m_time_per_range = min_time_per_range;
- //dstream<<"m_time_per_range="<<m_time_per_range<<" (min)"<<std::endl;
- }
- else
- {
- //dstream<<"m_time_per_range="<<m_time_per_range<<std::endl;
- }
-
- f32 wanted_range_change = wanted_frametime_change / m_time_per_range;
- // Dampen the change a bit to kill oscillations
- //wanted_range_change *= 0.9;
- //wanted_range_change *= 0.75;
- wanted_range_change *= 0.5;
- //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
-
- // If needed range change is very small, just return
- if(fabs(wanted_range_change) < 0.001)
- {
- //dstream<<"ignoring small wanted_range_change"<<std::endl;
+ f32 viewing_range = g_settings->getFloat("viewing_range");
+ m_draw_control.wanted_range = viewing_range;
+ if (m_draw_control.range_all) {
+ m_cameranode->setFarValue(100000.0);
return;
}
-
- new_range += wanted_range_change;
-
- //f32 new_range_unclamped = new_range;
- new_range = MYMAX(new_range, viewing_range_min);
- new_range = MYMIN(new_range, viewing_range_max);
- /*dstream<<"new_range="<<new_range_unclamped
- <<", clamped to "<<new_range<<std::endl;*/
-
- m_range_old = m_draw_control.wanted_range;
- m_busytime_old = busytime_in;
-
- m_draw_control.wanted_range = new_range;
+ m_cameranode->setFarValue((viewing_range < 2000) ? 2000 * BS : viewing_range * BS);
}
void Camera::setDigging(s32 button)
void Camera::wield(const ItemStack &item)
{
- if (item.name != m_wield_item_next.name) {
+ if (item.name != m_wield_item_next.name ||
+ item.metadata != m_wield_item_next.metadata) {
m_wield_item_next = item;
if (m_wield_change_timer > 0)
m_wield_change_timer = -m_wield_change_timer;
scene::ICameraSceneNode* cam = m_wieldmgr->getActiveCamera();
cam->setAspectRatio(m_cameranode->getAspectRatio());
cam->setFOV(72.0*M_PI/180.0);
- cam->setNearValue(0.1);
+ cam->setNearValue(10);
cam->setFarValue(1000);
if (translation != NULL)
{
}
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;
+ if (nametag->nametag_color.getAlpha() == 0) {
+ // Enforce hiding nametag,
+ // because if freetype is enabled, a grey
+ // shadow can remain.
+ continue;
+ }
+ v3f pos = nametag->parent_node->getAbsolutePosition() + nametag->nametag_pos * BS;
+ f32 transformed_pos[4] = { pos.X, pos.Y, pos.Z, 1.0f };
+ trans.multiplyWith1x4Matrix(transformed_pos);
+ if (transformed_pos[3] > 0) {
+ std::string nametag_colorless = unescape_enriched(nametag->nametag_text);
+ core::dimension2d<u32> textsize =
+ g_fontengine->getFont()->getDimension(
+ utf8_to_wide(nametag_colorless).c_str());
+ f32 zDiv = transformed_pos[3] == 0.0f ? 1.0f :
+ core::reciprocal(transformed_pos[3]);
+ v2u32 screensize = RenderingEngine::get_video_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,
+ const std::string &nametag_text, video::SColor nametag_color,
+ const v3f &pos)
+{
+ Nametag *nametag = new Nametag(parent_node, nametag_text, nametag_color, pos);
+ m_nametags.push_back(nametag);
+ return nametag;
+}
+
+void Camera::removeNametag(Nametag *nametag)
+{
+ m_nametags.remove(nametag);
+ delete nametag;
+}