Remove farmesh

8 files changed, 3 insertions, 576 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index fae23b821..a1fcdd965 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -306,7 +306,6 @@ set(minetest_SRCS
 	content_cao.cpp
 	mesh.cpp
 	mapblock_mesh.cpp
-	farmesh.cpp
 	keycode.cpp
 	camera.cpp
 	clouds.cpp
diff --git a/src/client.h b/src/client.h
index 84cabf3f8..fc26f3178 100644
--- a/src/client.h
+++ b/src/client.h
@@ -473,7 +473,6 @@ private:
 	u32 m_media_received_count;
 	bool m_itemdef_received;
 	bool m_nodedef_received;
-	friend class FarMesh;
 
 	// time_of_day speed approximation for old protocol
 	bool m_time_of_day_set;
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index 7275ea7ed..38d278ef0 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -103,7 +103,6 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("continuous_forward", "false");
 	settings->setDefault("fast_move", "false");
 	settings->setDefault("invert_mouse", "false");
-	settings->setDefault("enable_farmesh", "false");
 	settings->setDefault("enable_clouds", "true");
 	settings->setDefault("screenshot_path", ".");
 	settings->setDefault("view_bobbing_amount", "1.0");
diff --git a/src/farmesh.cpp b/src/farmesh.cpp
deleted file mode 100644
index 93c50e5d0..000000000
--- a/src/farmesh.cpp
+++ /dev/null
@@ -1,416 +0,0 @@
-/*
-Part of Minetest
-Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-/*
-	A quick messy implementation of terrain rendering for a long
-	distance according to map seed
-*/
-
-#include "farmesh.h"
-
-#include "constants.h"
-#include "debug.h"
-#include "noise.h"
-#include "map.h"
-#include "client.h"
-#include "tile.h" // ITextureSource
-#include "clientmap.h"
-
-#include "mapgen.h" // Shouldn't really be done this way
-
-FarMesh::FarMesh(
-		scene::ISceneNode* parent,
-		scene::ISceneManager* mgr,
-		s32 id,
-		u64 seed,
-		Client *client
-):
-	scene::ISceneNode(parent, mgr, id),
-	m_seed(seed),
-	m_camera_pos(0,0),
-	m_time(0),
-	m_client(client),
-	m_render_range(20*MAP_BLOCKSIZE)
-{
-	dstream<<__FUNCTION_NAME<<std::endl;
-	
-	//video::IVideoDriver* driver = mgr->getVideoDriver();
-
-	m_materials[0].setFlag(video::EMF_LIGHTING, false);
-	m_materials[0].setFlag(video::EMF_BACK_FACE_CULLING, true);
-	//m_materials[0].setFlag(video::EMF_BACK_FACE_CULLING, false);
-	m_materials[0].setFlag(video::EMF_BILINEAR_FILTER, false);
-	m_materials[0].setFlag(video::EMF_FOG_ENABLE, false);
-	//m_materials[0].setFlag(video::EMF_ANTI_ALIASING, true);
-	//m_materials[0].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
-	m_materials[0].setFlag(video::EMF_FOG_ENABLE, true);
-	
-	m_materials[1].setFlag(video::EMF_LIGHTING, false);
-	m_materials[1].setFlag(video::EMF_BACK_FACE_CULLING, false);
-	m_materials[1].setFlag(video::EMF_BILINEAR_FILTER, false);
-	m_materials[1].setFlag(video::EMF_FOG_ENABLE, false);
-	m_materials[1].setTexture(0, client->tsrc()->getTexture("treeprop.png"));
-	m_materials[1].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
-	m_materials[1].setFlag(video::EMF_FOG_ENABLE, true);
-
-	m_box = core::aabbox3d<f32>(-BS*1000000,-BS*31000,-BS*1000000,
-			BS*1000000,BS*31000,BS*1000000);
-
-}
-
-FarMesh::~FarMesh()
-{
-	dstream<<__FUNCTION_NAME<<std::endl;
-}
-
-u32 FarMesh::getMaterialCount() const
-{
-	return FARMESH_MATERIAL_COUNT;
-}
-
-video::SMaterial& FarMesh::getMaterial(u32 i)
-{
-	return m_materials[i];
-}
-	
-
-void FarMesh::OnRegisterSceneNode()
-{
-	if(IsVisible)
-	{
-		//SceneManager->registerNodeForRendering(this, scene::ESNRP_TRANSPARENT);
-		SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID);
-		//SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX);
-	}
-
-	ISceneNode::OnRegisterSceneNode();
-}
-
-#define MYROUND(x) (x > 0.0 ? (int)x : (int)x - 1)
-
-// Temporary hack
-struct HeightPoint
-{
-	float gh; // ground height
-	float ma; // mud amount
-	float have_sand;
-	float tree_amount;
-};
-std::map<v2s16, HeightPoint> g_heights;
-
-HeightPoint ground_height(u64 seed, v2s16 p2d)
-{
-	std::map<v2s16, HeightPoint>::iterator n = g_heights.find(p2d);
-	if(n != g_heights.end())
-		return n->second;
-	HeightPoint hp;
-	s16 level = Mapgen::find_ground_level_from_noise(seed, p2d, 3);
-	hp.gh = (level-4)*BS;
-	hp.ma = (4)*BS;
-	/*hp.gh = BS*base_rock_level_2d(seed, p2d);
-	hp.ma = BS*get_mud_add_amount(seed, p2d);*/
-	hp.have_sand = Mapgen::get_have_beach(seed, p2d);
-	if(hp.gh > BS*WATER_LEVEL)
-		hp.tree_amount = Mapgen::tree_amount_2d(seed, p2d);
-	else
-		hp.tree_amount = 0;
-	// No mud has been added if mud amount is less than 1
-	if(hp.ma < 1.0*BS)
-		hp.ma = 0.0;
-	//hp.gh -= BS*3; // Lower a bit so that it is not that much in the way
-	g_heights[p2d] = hp;
-	return hp;
-}
-
-void FarMesh::render()
-{
-	video::IVideoDriver* driver = SceneManager->getVideoDriver();
-
-	/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT)
-		return;*/
-	if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID)
-		return;
-	/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SKY_BOX)
-		return;*/
-
-	driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
-	
-	//const s16 grid_radius_i = 12;
-	//const float grid_size = BS*50;
-	const s16 grid_radius_i = m_render_range/MAP_BLOCKSIZE;
-	const float grid_size = BS*MAP_BLOCKSIZE;
-	const v2f grid_speed(-BS*0, 0);
-	
-	// Position of grid noise origin in world coordinates
-	v2f world_grid_origin_pos_f(0,0);
-	// Position of grid noise origin from the camera
-	v2f grid_origin_from_camera_f = world_grid_origin_pos_f - m_camera_pos;
-	// The center point of drawing in the noise
-	v2f center_of_drawing_in_noise_f = -grid_origin_from_camera_f;
-	// The integer center point of drawing in the noise
-	v2s16 center_of_drawing_in_noise_i(
-		MYROUND(center_of_drawing_in_noise_f.X / grid_size),
-		MYROUND(center_of_drawing_in_noise_f.Y / grid_size)
-	);
-	// The world position of the integer center point of drawing in the noise
-	v2f world_center_of_drawing_in_noise_f = v2f(
-		center_of_drawing_in_noise_i.X * grid_size,
-		center_of_drawing_in_noise_i.Y * grid_size
-	) + world_grid_origin_pos_f;
-
-	for(s16 zi=-grid_radius_i; zi<grid_radius_i; zi++)
-	for(s16 xi=-grid_radius_i; xi<grid_radius_i; xi++)
-	{
-		/*// Don't draw very close to player
-		s16 dd = 3;
-		if(zi > -dd && zi < dd && xi > -dd && xi < dd)
-			continue;*/
-
-		v2s16 p_in_noise_i(
-			xi+center_of_drawing_in_noise_i.X,
-			zi+center_of_drawing_in_noise_i.Y
-		);
-		
-		// If sector was drawn, don't draw it this way
-		if(m_client->m_env.getClientMap().sectorWasDrawn(p_in_noise_i))
-			continue;
-
-		/*if((p_in_noise_i.X + p_in_noise_i.Y)%2==0)
-			continue;*/
-		/*if((p_in_noise_i.X/2 + p_in_noise_i.Y/2)%2==0)
-			continue;*/
-
-		v2f p0 = v2f(xi,zi)*grid_size + world_center_of_drawing_in_noise_f;
-		
-		/*double noise[4];
-		double d = 100*BS;
-		noise[0] = d*noise2d_perlin(
-				(float)(p_in_noise_i.X+0)*grid_size/BS/100,
-				(float)(p_in_noise_i.Y+0)*grid_size/BS/100,
-				m_seed, 3, 0.5);
-		
-		noise[1] = d*noise2d_perlin(
-				(float)(p_in_noise_i.X+0)*grid_size/BS/100,
-				(float)(p_in_noise_i.Y+1)*grid_size/BS/100,
-				m_seed, 3, 0.5);
-		
-		noise[2] = d*noise2d_perlin(
-				(float)(p_in_noise_i.X+1)*grid_size/BS/100,
-				(float)(p_in_noise_i.Y+1)*grid_size/BS/100,
-				m_seed, 3, 0.5);
-		
-		noise[3] = d*noise2d_perlin(
-				(float)(p_in_noise_i.X+1)*grid_size/BS/100,
-				(float)(p_in_noise_i.Y+0)*grid_size/BS/100,
-				m_seed, 3, 0.5);*/
-		
-		HeightPoint hps[5];
-		hps[0] = ground_height(m_seed, v2s16(
-				(p_in_noise_i.X+0)*grid_size/BS,
-				(p_in_noise_i.Y+0)*grid_size/BS));
-		hps[1] = ground_height(m_seed, v2s16(
-				(p_in_noise_i.X+0)*grid_size/BS,
-				(p_in_noise_i.Y+1)*grid_size/BS));
-		hps[2] = ground_height(m_seed, v2s16(
-				(p_in_noise_i.X+1)*grid_size/BS,
-				(p_in_noise_i.Y+1)*grid_size/BS));
-		hps[3] = ground_height(m_seed, v2s16(
-				(p_in_noise_i.X+1)*grid_size/BS,
-				(p_in_noise_i.Y+0)*grid_size/BS));
-		v2s16 centerpoint(
-				(p_in_noise_i.X+0)*grid_size/BS+MAP_BLOCKSIZE/2,
-				(p_in_noise_i.Y+0)*grid_size/BS+MAP_BLOCKSIZE/2);
-		hps[4] = ground_height(m_seed, centerpoint);
-		
-		float noise[5];
-		float h_min = BS*65535;
-		float h_max = -BS*65536;
-		float ma_avg = 0;
-		float h_avg = 0;
-		u32 have_sand_count = 0;
-		float tree_amount_avg = 0;
-		for(u32 i=0; i<5; i++)
-		{
-			noise[i] = hps[i].gh + hps[i].ma;
-			if(noise[i] < h_min)
-				h_min = noise[i];
-			if(noise[i] > h_max)
-				h_max = noise[i];
-			ma_avg += hps[i].ma;
-			h_avg += noise[i];
-			if(hps[i].have_sand)
-				have_sand_count++;
-			tree_amount_avg += hps[i].tree_amount;
-		}
-		ma_avg /= 5.0;
-		h_avg /= 5.0;
-		tree_amount_avg /= 5.0;
-
-		float steepness = (h_max - h_min)/grid_size;
-		
-		float light_f = noise[0]+noise[1]-noise[2]-noise[3];
-		light_f /= 100;
-		if(light_f < -1.0) light_f = -1.0;
-		if(light_f > 1.0) light_f = 1.0;
-		//light_f += 1.0;
-		//light_f /= 2.0;
-		
-		v2f p1 = p0 + v2f(1,1)*grid_size;
-		
-		bool ground_is_sand = false;
-		bool ground_is_rock = false;
-		bool ground_is_mud = false;
-		video::SColor c;
-		// Detect water
-		if(h_avg < WATER_LEVEL*BS && h_max < (WATER_LEVEL+5)*BS)
-		{
-			//c = video::SColor(255,59,86,146);
-			//c = video::SColor(255,82,120,204);
-			c = video::SColor(255,74,105,170);
-
-			/*// Set to water level
-			for(u32 i=0; i<4; i++)
-			{
-				if(noise[i] < BS*WATER_LEVEL)
-					noise[i] = BS*WATER_LEVEL;
-			}*/
-			light_f = 0;
-		}
-		// Steep cliffs
-		else if(steepness > 2.0)
-		{
-			c = video::SColor(255,128,128,128);
-			ground_is_rock = true;
-		}
-		// Basic ground
-		else
-		{
-			if(ma_avg < 2.0*BS)
-			{
-				c = video::SColor(255,128,128,128);
-				ground_is_rock = true;
-			}
-			else
-			{
-				if(h_avg <= 2.5*BS && have_sand_count >= 2)
-				{
-					c = video::SColor(255,210,194,156);
-					ground_is_sand = true;
-				}
-				else
-				{
-					/*// Trees if there are over 0.01 trees per MapNode
-					if(tree_amount_avg > 0.01)
-						c = video::SColor(255,50,128,50);
-					else
-						c = video::SColor(255,107,134,51);*/
-					c = video::SColor(255,107,134,51);
-					ground_is_mud = true;
-				}
-			}
-		}
-		
-		// Set to water level
-		for(u32 i=0; i<4; i++)
-		{
-			if(noise[i] < BS*WATER_LEVEL)
-				noise[i] = BS*WATER_LEVEL;
-		}
-
-		float b = m_brightness + light_f*0.1*m_brightness;
-		if(b < 0) b = 0;
-		if(b > 2) b = 2;
-		
-		c = video::SColor(255, b*c.getRed(), b*c.getGreen(), b*c.getBlue());
-		
-		driver->setMaterial(m_materials[0]);
-
-		video::S3DVertex vertices[4] =
-		{
-			video::S3DVertex(p0.X,noise[0],p0.Y, 0,0,0, c, 0,1),
-			video::S3DVertex(p0.X,noise[1],p1.Y, 0,0,0, c, 1,1),
-			video::S3DVertex(p1.X,noise[2],p1.Y, 0,0,0, c, 1,0),
-			video::S3DVertex(p1.X,noise[3],p0.Y, 0,0,0, c, 0,0),
-		};
-		u16 indices[] = {0,1,2,2,3,0};
-		driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
-				video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT);
-
-		// Add some trees if appropriate
-		if(tree_amount_avg >= 0.0065 && steepness < 1.4
-				&& ground_is_mud == true)
-		{
-			driver->setMaterial(m_materials[1]);
-			
-			float b = m_brightness;
-			c = video::SColor(255, b*255, b*255, b*255);
-			
-			{
-				video::S3DVertex vertices[4] =
-				{
-					video::S3DVertex(p0.X,noise[0],p0.Y,
-							0,0,0, c, 0,1),
-					video::S3DVertex(p0.X,noise[0]+BS*MAP_BLOCKSIZE,p0.Y,
-							0,0,0, c, 0,0),
-					video::S3DVertex(p1.X,noise[2]+BS*MAP_BLOCKSIZE,p1.Y,
-							0,0,0, c, 1,0),
-					video::S3DVertex(p1.X,noise[2],p1.Y,
-							0,0,0, c, 1,1),
-				};
-				u16 indices[] = {0,1,2,2,3,0};
-				driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
-						video::EVT_STANDARD, scene::EPT_TRIANGLES,
-						video::EIT_16BIT);
-			}
-			{
-				video::S3DVertex vertices[4] =
-				{
-					video::S3DVertex(p1.X,noise[3],p0.Y,
-							0,0,0, c, 0,1),
-					video::S3DVertex(p1.X,noise[3]+BS*MAP_BLOCKSIZE,p0.Y,
-							0,0,0, c, 0,0),
-					video::S3DVertex(p0.X,noise[1]+BS*MAP_BLOCKSIZE,p1.Y,
-							0,0,0, c, 1,0),
-					video::S3DVertex(p0.X,noise[1],p1.Y,
-							0,0,0, c, 1,1),
-				};
-				u16 indices[] = {0,1,2,2,3,0};
-				driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
-						video::EVT_STANDARD, scene::EPT_TRIANGLES,
-						video::EIT_16BIT);
-			}
-		}
-	}
-
-	//driver->clearZBuffer();
-}
-
-void FarMesh::step(float dtime)
-{
-	m_time += dtime;
-}
-
-void FarMesh::update(v2f camera_p, float brightness, s16 render_range)
-{
-	m_camera_pos = camera_p;
-	m_brightness = brightness;
-	m_render_range = render_range;
-}
-
-
diff --git a/src/farmesh.h b/src/farmesh.h
deleted file mode 100644
index 47147fa8f..000000000
--- a/src/farmesh.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
-Part of Minetest
-Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#ifndef FARMESH_HEADER
-#define FARMESH_HEADER
-
-/*
-	A quick messy implementation of terrain rendering for a long
-	distance according to map seed
-*/
-
-#include "irrlichttypes_extrabloated.h"
-
-#define FARMESH_MATERIAL_COUNT 2
-
-class Client;
-
-class FarMesh : public scene::ISceneNode
-{
-public:
-	FarMesh(
-			scene::ISceneNode* parent,
-			scene::ISceneManager* mgr,
-			s32 id,
-			u64 seed,
-			Client *client
-	);
-
-	~FarMesh();
-
-	/*
-		ISceneNode methods
-	*/
-
-	virtual void OnRegisterSceneNode();
-
-	virtual void render();
-	
-	virtual const core::aabbox3d<f32>& getBoundingBox() const
-	{
-		return m_box;
-	}
-
-	virtual u32 getMaterialCount() const;
-
-	virtual video::SMaterial& getMaterial(u32 i);
-	
-	/*
-		Other stuff
-	*/
-
-	void step(float dtime);
-
-	void update(v2f camera_p, float brightness, s16 render_range);
-
-private:
-	video::SMaterial m_materials[FARMESH_MATERIAL_COUNT];
-	core::aabbox3d<f32> m_box;
-	float m_cloud_y;
-	float m_brightness;
-	u64 m_seed;
-	v2f m_camera_pos;
-	float m_time;
-	Client *m_client;
-	s16 m_render_range;
-};
-
-#endif
-
diff --git a/src/game.cpp b/src/game.cpp
index cb2a50823..7954c8d80 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -40,7 +40,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "clouds.h"
 #include "particles.h"
 #include "camera.h"
-#include "farmesh.h"
 #include "mapblock.h"
 #include "settings.h"
 #include "profiler.h"
@@ -1308,16 +1307,6 @@ void the_game(
 	sky = new Sky(smgr->getRootSceneNode(), smgr, -1);
 	
 	/*
-		FarMesh
-	*/
-
-	FarMesh *farmesh = NULL;
-	if(g_settings->getBool("enable_farmesh"))
-	{
-		farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
-	}
-
-	/*
 		A copy of the local inventory
 	*/
 	Inventory local_inventory(itemdef);
@@ -1406,7 +1395,6 @@ void the_game(
 	bool ldown_for_dig = false;
 
 	float damage_flash = 0;
-	s16 farmesh_range = 20*MAP_BLOCKSIZE;
 
 	float jump_timer = 0;
 	bool reset_jump_timer = false;
@@ -2869,17 +2857,12 @@ void the_game(
 			Fog range
 		*/
 	
-		if(farmesh)
-		{
-			fog_range = BS*farmesh_range;
-		}
-		else
-		{
+		if(draw_control.range_all)
+			fog_range = 100000*BS;
+		else {
 			fog_range = draw_control.wanted_range*BS + 0.0*MAP_BLOCKSIZE*BS;
 			fog_range = MYMIN(fog_range, (draw_control.farthest_drawn+20)*BS);
 			fog_range *= 0.9;
-			if(draw_control.range_all)
-				fog_range = 100000*BS;
 		}
 
 		/*
@@ -2918,7 +2901,6 @@ void the_game(
 		sky->update(time_of_day_smooth, time_brightness, direct_brightness,
 				sunlight_seen);
 		
-		float brightness = sky->getBrightness();
 		video::SColor bgcolor = sky->getBgColor();
 		video::SColor skycolor = sky->getSkyColor();
 
@@ -2937,22 +2919,6 @@ void the_game(
 		}
 		
 		/*
-			Update farmesh
-		*/
-		if(farmesh)
-		{
-			farmesh_range = draw_control.wanted_range * 10;
-			if(draw_control.range_all && farmesh_range < 500)
-				farmesh_range = 500;
-			if(farmesh_range > 1000)
-				farmesh_range = 1000;
-
-			farmesh->step(dtime);
-			farmesh->update(v2f(player_position.X, player_position.Z),
-					brightness, farmesh_range);
-		}
-
-		/*
 			Update particles
 		*/
 
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index d3996de5f..97d672b01 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -1130,33 +1130,3 @@ void MapgenV7Params::writeParams(Settings *settings) {
 	settings->setNoiseParams("mgv7_np_mountain",        np_mountain);
 	settings->setNoiseParams("mgv7_np_ridge",           np_ridge);
 }
-
-
-/////////////////////////////////// legacy static functions for farmesh
-
-s16 Mapgen::find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision) {
-	//just need to return something
-	s16 level = 5;
-	return level;
-}
-
-
-bool Mapgen::get_have_beach(u64 seed, v2s16 p2d) {
-	double sandnoise = noise2d_perlin(
-				0.2+(float)p2d.X/250, 0.7+(float)p2d.Y/250,
-				seed+59420, 3, 0.50);
- 
-	return (sandnoise > 0.15);
-}
-
-
-double Mapgen::tree_amount_2d(u64 seed, v2s16 p) {
-	double noise = noise2d_perlin(
-			0.5+(float)p.X/125, 0.5+(float)p.Y/125,
-			seed+2, 4, 0.66);
-	double zeroval = -0.39;
-	if(noise < zeroval)
-		return 0;
-	else
-		return 0.04 * (noise-zeroval) / (1.0-zeroval);
-}
diff --git a/src/mapgen.h b/src/mapgen.h
index 6ed2c0994..2e87c62bf 100644
--- a/src/mapgen.h
+++ b/src/mapgen.h
@@ -114,11 +114,6 @@ public:
 
 	virtual void makeChunk(BlockMakeData *data) {}
 	virtual int getGroundLevelAtPoint(v2s16 p) { return 0; }
-
-	//Legacy functions for Farmesh (pending removal)
-	static bool get_have_beach(u64 seed, v2s16 p2d);
-	static double tree_amount_2d(u64 seed, v2s16 p);
-	static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
 };
 
 struct MapgenFactory {