X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fcamera.cpp;h=7e83dadebf949ef6010a24f197df51a493e373e4;hb=f151b2322003bbc89c2cd3c603ef1e1ab9d46439;hp=138b022c049208ec07a788e8daa7db15310e5f0d;hpb=c1bf6f9f7a6d2c5bd743422593a5ec72939bc6af;p=dragonfireclient.git

diff --git a/src/camera.cpp b/src/camera.cpp
index 138b022c0..7e83dadeb 100644
--- a/src/camera.cpp
+++ b/src/camera.cpp
@@ -20,59 +20,60 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "camera.h"
 #include "debug.h"
 #include "client.h"
-#include "main.h" // for g_settings
 #include "map.h"
-#include "clientmap.h" // MapDrawControl
-#include "mesh.h"
+#include "clientmap.h"     // MapDrawControl
 #include "player.h"
-#include "tile.h"
 #include <cmath>
 #include "settings.h"
-#include "itemdef.h" // For wield visualization
-#include "noise.h" // easeCurve
-#include "gamedef.h"
+#include "wieldmesh.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"
+
+#define CAMERA_OFFSET_STEP 200
+
+#include "nodedef.h"
 
 Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
-		IGameDef *gamedef):
-	m_smgr(smgr),
+		Client *client):
 	m_playernode(NULL),
 	m_headnode(NULL),
 	m_cameranode(NULL),
 
 	m_wieldmgr(NULL),
 	m_wieldnode(NULL),
-	m_wieldlight(0),
 
 	m_draw_control(draw_control),
-	m_gamedef(gamedef),
+	m_client(client),
 
 	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_frametime(0),
-	m_added_frames(0),
-	m_range_old(0),
-	m_frametime_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_digging_button(-1),
+
+	m_wield_change_timer(0.125),
+	m_wield_item_next(),
+
+	m_camera_mode(CAMERA_MODE_FIRST)
 {
-	//dstream<<__FUNCTION_NAME<<std::endl;
+	//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());
@@ -84,43 +85,48 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
 	// all other 3D scene nodes and before the GUI.
 	m_wieldmgr = smgr->createNewSceneManager();
 	m_wieldmgr->addCameraSceneNode();
-	m_wieldnode = m_wieldmgr->addMeshSceneNode(createCubeMesh(v3f(1,1,1)), NULL);  // need a dummy mesh
+	m_wieldnode = new WieldMeshSceneNode(m_wieldmgr->getRootSceneNode(), m_wieldmgr, -1, false);
+	m_wieldnode->setItem(ItemStack(), m_client);
+	m_wieldnode->drop(); // m_wieldmgr grabbed it
+
+	/* 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
+	 *       is documented to change server settings only)
+	 *
+	 * TODO: Local caching of settings is not optimal and should at some stage
+	 *       be updated to use a global settings object for getting thse values
+	 *       (as opposed to the this local caching). This can be addressed in
+	 *       a later release.
+	 */
+	m_cache_fall_bobbing_amount = g_settings->getFloat("fall_bobbing_amount");
+	m_cache_view_bobbing_amount = g_settings->getFloat("view_bobbing_amount");
+	m_cache_fov                 = g_settings->getFloat("fov");
+	m_cache_zoom_fov            = g_settings->getFloat("zoom_fov");
+	m_cache_view_bobbing        = g_settings->getBool("view_bobbing");
+	m_nametags.clear();
 }
 
 Camera::~Camera()
 {
-	m_wieldnode->setMesh(NULL);
 	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_wieldnode == NULL)
-	{
-		error_message = L"Failed to create the wielded item scene node";
-		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();
 	}
-	return true;
+	return error_message.empty();
 }
 
 // Returns the fractional part of x
@@ -132,57 +138,56 @@ inline f32 my_modf(f32 x)
 
 void Camera::step(f32 dtime)
 {
+	if(m_view_bobbing_fall > 0)
+	{
+		m_view_bobbing_fall -= 3 * dtime;
+		if(m_view_bobbing_fall <= 0)
+			m_view_bobbing_fall = -1; // Mark the effect as finished
+	}
+
+	bool was_under_zero = m_wield_change_timer < 0;
+	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_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);
 			}
 		}
 	}
@@ -200,19 +205,20 @@ void Camera::step(f32 dtime)
 		float lim = 0.15;
 		if(m_digging_anim_was < lim && m_digging_anim >= lim)
 		{
-			if(m_digging_button == 0){
+			if(m_digging_button == 0)
+			{
 				MtEvent *e = new SimpleTriggerEvent("CameraPunchLeft");
-				m_gamedef->event()->put(e);
-			} else if(m_digging_button == 1){
+				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);
 			}
 		}
 	}
 }
 
-void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
-		f32 tool_reload_ratio)
+void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime,
+		f32 tool_reload_ratio, ClientEnvironment &c_env)
 {
 	// Get player position
 	// Smooth the movement when walking up stairs
@@ -235,11 +241,37 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 	m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
 	m_playernode->updateAbsolutePosition();
 
-	//Get camera tilt timer (hurt animation)
+	// Get camera tilt timer (hurt animation)
 	float cameratilt = fabs(fabs(player->hurt_tilt_timer-0.75)-0.75);
 
+	// Fall bobbing animation
+	float fall_bobbing = 0;
+	if(player->camera_impact >= 1 && m_camera_mode < CAMERA_MODE_THIRD)
+	{
+		if(m_view_bobbing_fall == -1) // Effect took place and has finished
+			player->camera_impact = m_view_bobbing_fall = 0;
+		else if(m_view_bobbing_fall == 0) // Initialize effect
+			m_view_bobbing_fall = 1;
+
+		// Convert 0 -> 1 to 0 -> 1 -> 0
+		fall_bobbing = m_view_bobbing_fall < 0.5 ? m_view_bobbing_fall * 2 : -(m_view_bobbing_fall - 0.5) * 2 + 1;
+		// Smoothen and invert the above
+		fall_bobbing = sin(fall_bobbing * 0.5 * M_PI) * -1;
+		// Amplify according to the intensity of the impact
+		fall_bobbing *= (1 - rangelim(50 / player->camera_impact, 0, 1)) * 5;
+
+		fall_bobbing *= m_cache_fall_bobbing_amount;
+	}
+
+	// Calculate players eye offset for different camera modes
+	v3f PlayerEyeOffset = player->getEyeOffset();
+	if (m_camera_mode == CAMERA_MODE_FIRST)
+		PlayerEyeOffset += player->eye_offset_first;
+	else
+		PlayerEyeOffset += player->eye_offset_third;
+
 	// Set head node transformation
-	m_headnode->setPosition(player->getEyeOffset()+v3f(0,cameratilt*-player->hurt_tilt_strength,0));
+	m_headnode->setPosition(PlayerEyeOffset+v3f(0,cameratilt*-player->hurt_tilt_strength+fall_bobbing,0));
 	m_headnode->setRotation(v3f(player->getPitch(), 0, cameratilt*player->hurt_tilt_strength));
 	m_headnode->updateAbsolutePosition();
 
@@ -248,7 +280,7 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 	v3f rel_cam_target = v3f(0,0,1);
 	v3f rel_cam_up = v3f(0,1,0);
 
-	if (m_view_bobbing_anim != 0)
+	if (m_view_bobbing_anim != 0 && 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;
@@ -267,7 +299,7 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 		//rel_cam_target += 0.03 * bobvec;
 		//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * M_PI);
 		float f = 1.0;
-		f *= g_settings->getFloat("view_bobbing_amount");
+		f *= m_cache_view_bobbing_amount;
 		rel_cam_pos += bobvec * f;
 		//rel_cam_target += 0.995 * bobvec * f;
 		rel_cam_target += bobvec * f;
@@ -297,33 +329,92 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 	v3f abs_cam_up;
 	m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
 
+	// Seperate camera position for calculation
+	v3f my_cp = m_camera_position;
+
+	// Reposition the camera for third person view
+	if (m_camera_mode > CAMERA_MODE_FIRST)
+	{
+		if (m_camera_mode == CAMERA_MODE_THIRD_FRONT)
+			m_camera_direction *= -1;
+
+		my_cp.Y += 2;
+
+		// Calculate new position
+		bool abort = false;
+		for (int i = BS; i <= BS*2.75; i++)
+		{
+			my_cp.X = m_camera_position.X + m_camera_direction.X*-i;
+			my_cp.Z = m_camera_position.Z + m_camera_direction.Z*-i;
+			if (i > 12)
+				my_cp.Y = m_camera_position.Y + (m_camera_direction.Y*-i);
+
+			// Prevent camera positioned inside nodes
+			INodeDefManager *nodemgr = m_client->ndef();
+			MapNode n = c_env.getClientMap().getNodeNoEx(floatToInt(my_cp, BS));
+			const ContentFeatures& features = nodemgr->get(n);
+			if(features.walkable)
+			{
+				my_cp.X += m_camera_direction.X*-1*-BS/2;
+				my_cp.Z += m_camera_direction.Z*-1*-BS/2;
+				my_cp.Y += m_camera_direction.Y*-1*-BS/2;
+				abort = true;
+				break;
+			}
+		}
+
+		// If node blocks camera position don't move y to heigh
+		if (abort && my_cp.Y > player_position.Y+BS*2)
+			my_cp.Y = player_position.Y+BS*2;
+	}
+
+	// Update offset if too far away from the center of the map
+	m_camera_offset.X += CAMERA_OFFSET_STEP*
+			(((s16)(my_cp.X/BS) - m_camera_offset.X)/CAMERA_OFFSET_STEP);
+	m_camera_offset.Y += CAMERA_OFFSET_STEP*
+			(((s16)(my_cp.Y/BS) - m_camera_offset.Y)/CAMERA_OFFSET_STEP);
+	m_camera_offset.Z += CAMERA_OFFSET_STEP*
+			(((s16)(my_cp.Z/BS) - m_camera_offset.Z)/CAMERA_OFFSET_STEP);
+
 	// Set camera node transformation
-	m_cameranode->setPosition(m_camera_position);
+	m_cameranode->setPosition(my_cp-intToFloat(m_camera_offset, BS));
 	m_cameranode->setUpVector(abs_cam_up);
 	// *100.0 helps in large map coordinates
-	m_cameranode->setTarget(m_camera_position + 100 * m_camera_direction);
-
-	// Get FOV setting
-	f32 fov_degrees = g_settings->getFloat("fov");
-	fov_degrees = MYMAX(fov_degrees, 10.0);
-	fov_degrees = MYMIN(fov_degrees, 170.0);
+	m_cameranode->setTarget(my_cp-intToFloat(m_camera_offset, BS) + 100 * m_camera_direction);
+
+	// update the camera position in front-view mode to render blocks behind player
+	if (m_camera_mode == CAMERA_MODE_THIRD_FRONT)
+		m_camera_position = my_cp;
+
+	// 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)screensize.X / (f32) screensize.Y;
+	m_aspect = (f32) porting::getWindowSize().X / (f32) porting::getWindowSize().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)));
-	// WTF is this? It can't be right
-	m_fov_x = 2 * atan(0.5 * m_aspect * tan(m_fov_y));
+	m_fov_x = 2 * atan(m_aspect * tan(0.5 * m_fov_y));
 	m_cameranode->setAspectRatio(m_aspect);
 	m_cameranode->setFOV(m_fov_y);
 
+	float wieldmesh_offset_Y = -35 + player->getPitch() * 0.05;
+	wieldmesh_offset_Y = rangelim(wieldmesh_offset_Y, -52, -32);
+
 	// Position the wielded item
 	//v3f wield_position = v3f(45, -35, 65);
-	v3f wield_position = v3f(55, -35, 65);
+	v3f wield_position = v3f(55, wieldmesh_offset_Y, 65);
 	//v3f wield_rotation = v3f(-100, 120, -100);
 	v3f wield_rotation = v3f(-100, 120, -100);
-	if(m_digging_anim < 0.05 || m_digging_anim > 0.5){
+	wield_position.Y += fabs(m_wield_change_timer)*320 - 40;
+	if(m_digging_anim < 0.05 || m_digging_anim > 0.5)
+	{
 		f32 frac = 1.0;
 		if(m_digging_anim > 0.5)
 			frac = 2.0 * (m_digging_anim - 0.5);
@@ -344,7 +435,7 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 		wield_position.X -= 50 * sin(pow(digfrac, 0.8f) * M_PI);
 		wield_position.Y += 24 * sin(digfrac * 1.8 * M_PI);
 		wield_position.Z += 25 * 0.5;
-	
+
 		// Euler angles are PURE EVIL, so why not use quaternions?
 		core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
 		core::quaternion quat_end(v3f(80, 30, 100) * core::DEGTORAD);
@@ -352,32 +443,36 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 		quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * M_PI));
 		quat_slerp.toEuler(wield_rotation);
 		wield_rotation *= core::RADTODEG;
-	}
-	else {
+	} else {
 		f32 bobfrac = my_modf(m_view_bobbing_anim);
 		wield_position.X -= sin(bobfrac*M_PI*2.0) * 3.0;
 		wield_position.Y += sin(my_modf(bobfrac*2.0)*M_PI) * 3.0;
 	}
 	m_wieldnode->setPosition(wield_position);
 	m_wieldnode->setRotation(wield_rotation);
-	m_wieldlight = player->light;
 
-	// Render distance feedback loop
-	updateViewingRange(frametime);
+	m_wieldnode->setColor(player->light_color);
 
-	// If the player seems to be walking on solid ground,
+	// 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();
-	if ((hypot(speed.X, speed.Z) > BS) &&
-		(player->touching_ground) &&
-		(g_settings->getBool("view_bobbing") == true) &&
-		(g_settings->getBool("free_move") == false ||
-				!m_gamedef->checkLocalPrivilege("fly")))
+	const bool movement_XZ = hypot(speed.X, speed.Z) > 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_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)
 	{
@@ -387,142 +482,15 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
 	}
 }
 
-void Camera::updateViewingRange(f32 frametime_in)
+void Camera::updateViewingRange()
 {
-	if (m_draw_control.range_all)
-		return;
-
-	m_added_frametime += frametime_in;
-	m_added_frames += 1;
-
-	// Actually this counter kind of sucks because frametime is busytime
-	m_frametime_counter -= frametime_in;
-	if (m_frametime_counter > 0)
+	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;
-	m_frametime_counter = 0.2;
-
-	/*dstream<<__FUNCTION_NAME
-			<<": Collected "<<m_added_frames<<" frames, total of "
-			<<m_added_frametime<<"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->getS16("viewing_range_nodes_min");
-	viewing_range_min = MYMAX(5.0, viewing_range_min);
-
-	f32 viewing_range_max = g_settings->getS16("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 = g_settings->getFloat("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_frametime / m_added_frames / block_draw_ratio;
-
-	m_added_frametime = 0.0;
-	m_added_frames = 0;
-
-	f32 wanted_frametime_change = wanted_frametime - frametime;
-	//dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
-
-	// If needed frametime change is small, just return
-	// This value was 0.4 for many months until 2011-10-18 by c55;
-	// Let's see how this works out.
-	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_frametime = frametime - m_frametime_old;
-	if (d_range != 0)
-	{
-		m_time_per_range = d_frametime / d_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 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 = 0.0015;
-	f32 min_time_per_range = 0.0010;
-	//f32 min_time_per_range = 0.05 / range;
-	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;
-		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_draw_control.wanted_range = new_range;
-
-	m_range_old = new_range;
-	m_frametime_old = frametime;
+	m_cameranode->setFarValue((viewing_range < 2000) ? 2000 * BS : viewing_range * BS);
 }
 
 void Camera::setDigging(s32 button)
@@ -533,34 +501,89 @@ void Camera::setDigging(s32 button)
 
 void Camera::wield(const ItemStack &item)
 {
-	IItemDefManager *idef = m_gamedef->idef();
-	scene::IMesh *wield_mesh = idef->getWieldMesh(item.getDefinition(idef).name, m_gamedef);
-	if(wield_mesh)
-	{
-		m_wieldnode->setMesh(wield_mesh);
-		m_wieldnode->setVisible(true);
-	}
-	else
-	{
-		m_wieldnode->setVisible(false);
+	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;
+		else if (m_wield_change_timer == 0)
+			m_wield_change_timer = -0.001;
 	}
 }
 
-void Camera::drawWieldedTool()
+void Camera::drawWieldedTool(irr::core::matrix4* translation)
 {
-	// Set vertex colors of wield mesh according to light level
-	u8 li = m_wieldlight;
-	video::SColor color(255,li,li,li);
-	setMeshColor(m_wieldnode->getMesh(), color);
-
-	// Clear Z buffer
+	// Clear Z buffer so that the wielded tool stay in front of world geometry
 	m_wieldmgr->getVideoDriver()->clearZBuffer();
 
 	// Draw the wielded node (in a separate scene manager)
 	scene::ICameraSceneNode* cam = m_wieldmgr->getActiveCamera();
 	cam->setAspectRatio(m_cameranode->getAspectRatio());
 	cam->setFOV(72.0*M_PI/180.0);
-	cam->setNearValue(0.1);
-	cam->setFarValue(100);
+	cam->setNearValue(10);
+	cam->setFarValue(1000);
+	if (translation != NULL)
+	{
+		irr::core::matrix4 startMatrix = cam->getAbsoluteTransformation();
+		irr::core::vector3df focusPoint = (cam->getTarget()
+				- cam->getAbsolutePosition()).setLength(1)
+				+ cam->getAbsolutePosition();
+
+		irr::core::vector3df camera_pos =
+				(startMatrix * *translation).getTranslation();
+		cam->setPosition(camera_pos);
+		cam->setTarget(focusPoint);
+	}
 	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() + 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;
+}