farmesh is now usable.

src/client.h

@@ -450,6 +450,8 @@ private:
 	InventoryContext m_inventory_context;
 
 	Queue<ClientEvent> m_client_event_queue;
+
+	friend class FarMesh;
 };
 
 #endif // !SERVER

src/defaultsettings.cpp

@@ -49,7 +49,7 @@ void set_default_settings()
 	g_settings.setDefault("wanted_fps", "30");
 	g_settings.setDefault("fps_max", "60");
 	g_settings.setDefault("viewing_range_nodes_max", "300");
-	g_settings.setDefault("viewing_range_nodes_min", "35");
+	g_settings.setDefault("viewing_range_nodes_min", "28");
 	g_settings.setDefault("screenW", "800");
 	g_settings.setDefault("screenH", "600");
 	g_settings.setDefault("address", "");
@@ -67,7 +67,7 @@ void set_default_settings()
 	g_settings.setDefault("continuous_forward", "false");
 	g_settings.setDefault("fast_move", "false");
 	g_settings.setDefault("invert_mouse", "false");
-	g_settings.setDefault("enable_farmesh", "false");
+	g_settings.setDefault("enable_farmesh", "true");
 	g_settings.setDefault("enable_clouds", "true");
 
 	// Server stuff

src/farmesh.cpp

@@ -27,26 +27,52 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "debug.h"
 #include "noise.h"
 #include "map.h"
+#include "client.h"
+
+/*
+	Temporarily exposed map generator stuff
+	Should only be used for testing
+*/
+extern double base_rock_level_2d(u64 seed, v2s16 p);
+extern double get_mud_add_amount(u64 seed, v2s16 p);
+extern bool get_have_sand(u64 seed, v2s16 p2d);
+extern double tree_amount_2d(u64 seed, v2s16 p);
+
 
 FarMesh::FarMesh(
 		scene::ISceneNode* parent,
 		scene::ISceneManager* mgr,
 		s32 id,
-		u64 seed
+		u64 seed,
+		Client *client
 ):
 	scene::ISceneNode(parent, mgr, id),
 	m_seed(seed),
 	m_camera_pos(0,0),
-	m_time(0)
+	m_time(0),
+	m_client(client)
 {
 	dstream<<__FUNCTION_NAME<<std::endl;
+	
+	video::IVideoDriver* driver = mgr->getVideoDriver();
 
-	m_material.setFlag(video::EMF_LIGHTING, false);
-	m_material.setFlag(video::EMF_BACK_FACE_CULLING, true);
-	m_material.setFlag(video::EMF_BILINEAR_FILTER, false);
-	m_material.setFlag(video::EMF_FOG_ENABLE, false);
-	//m_material.setFlag(video::EMF_ANTI_ALIASING, true);
-	//m_material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
+	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, driver->getTexture(getTexturePath("treeprop.png").c_str()));
+	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);
@@ -58,13 +84,24 @@ 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);
+		SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID);
+		//SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX);
 	}
 
 	ISceneNode::OnRegisterSceneNode();
@@ -73,18 +110,34 @@ void FarMesh::OnRegisterSceneNode()
 #define MYROUND(x) (x > 0.0 ? (int)x : (int)x - 1)
 
 // Temporary hack
-core::map<v2s16, float> g_heights;
-
-float ground_height(u64 seed, v2s16 p2d)
+struct HeightPoint
 {
-	core::map<v2s16, float>::Node *n = g_heights.find(p2d);
+	float gh; // ground height
+	float ma; // mud amount
+	float have_sand;
+	float tree_amount;
+};
+core::map<v2s16, HeightPoint> g_heights;
+
+HeightPoint ground_height(u64 seed, v2s16 p2d)
+{
+	core::map<v2s16, HeightPoint>::Node *n = g_heights.find(p2d);
 	if(n)
 		return n->getValue();
-	float avg_mud_amount = 4;
-	float gh = BS*base_rock_level_2d(seed, p2d) + avg_mud_amount*BS;
-	//gh *= 10;
-	g_heights[p2d] = gh;
-	return gh;
+	HeightPoint hp;
+	hp.gh = BS*base_rock_level_2d(seed, p2d);
+	hp.gh -= BS*2; // Lower a bit so that it is not that much in the way
+	hp.ma = BS*get_mud_add_amount(seed, p2d);
+	hp.have_sand = get_have_sand(seed, p2d);
+	if(hp.gh > BS*WATER_LEVEL)
+		hp.tree_amount = tree_amount_2d(seed, p2d);
+	else
+		hp.tree_amount = 0;
+	// No mud has been added if mud amount is less than 2
+	if(hp.ma < 2.0*BS)
+		hp.ma = 0.0;
+	g_heights[p2d] = hp;
+	return hp;
 }
 
 void FarMesh::render()
@@ -93,16 +146,17 @@ void FarMesh::render()
 
 	/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT)
 		return;*/
-	/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID)
-		return;*/
-	if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SKY_BOX)
+	if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID)
 		return;
+	/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SKY_BOX)
+		return;*/
 
 	driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
-	driver->setMaterial(m_material);
 	
-	const s16 grid_radius_i = 12;
-	const float grid_size = BS*50;
+	//const s16 grid_radius_i = 12;
+	//const float grid_size = BS*50;
+	const s16 grid_radius_i = 20;
+	const float grid_size = BS*MAP_BLOCKSIZE;
 	const v2f grid_speed(-BS*0, 0);
 	
 	// Position of grid noise origin in world coordinates
@@ -125,10 +179,19 @@ void FarMesh::render()
 	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;*/
@@ -159,32 +222,50 @@ void FarMesh::render()
 				(float)(p_in_noise_i.Y+0)*grid_size/BS/100,
 				m_seed, 3, 0.5);*/
 		
-		float noise[4];
-		noise[0] = ground_height(m_seed, v2s16(
+		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));
-		noise[1] = ground_height(m_seed, v2s16(
+		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));
-		noise[2] = ground_height(m_seed, v2s16(
+		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));
-		noise[3] = ground_height(m_seed, v2s16(
+		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;
-		for(u32 i=0; i<4; i++)
+		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 h_avg = (noise[0]+noise[1]+noise[2]+noise[3])/4.0;
 		float light_f = noise[0]+noise[1]-noise[2]-noise[3];
 		light_f /= 100;
 		if(light_f < -1.0) light_f = -1.0;
@@ -198,7 +279,9 @@ void FarMesh::render()
 		// Detect water
 		if(h_avg < WATER_LEVEL*BS && h_max < (WATER_LEVEL+5)*BS)
 		{
-			c = video::SColor(128,59,86,146);
+			//c = video::SColor(255,59,86,146);
+			c = video::SColor(255,82,120,204);
+
 			/*// Set to water level
 			for(u32 i=0; i<4; i++)
 			{
@@ -207,10 +290,33 @@ void FarMesh::render()
 			}*/
 			light_f = 0;
 		}
+		// Steep cliffs
 		else if(steepness > 2.0)
-			c = video::SColor(128,128,128,128);
+		{
+			c = video::SColor(255,128,128,128);
+		}
+		// Basic ground
 		else
-			c = video::SColor(128,107,134,51);
+		{
+			if(ma_avg < 2.0*BS)
+			{
+				c = video::SColor(255,128,128,128);
+			}
+			else
+			{
+				if(h_avg <= 2.5*BS && have_sand_count >= 2)
+					c = video::SColor(255,210,194,156);
+				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);
+				}
+			}
+		}
 		
 		// Set to water level
 		for(u32 i=0; i<4; i++)
@@ -223,7 +329,9 @@ void FarMesh::render()
 		if(b < 0) b = 0;
 		if(b > 2) b = 2;
 		
-		c = video::SColor(128, b*c.getRed(), b*c.getGreen(), b*c.getBlue());
+		c = video::SColor(255, b*c.getRed(), b*c.getGreen(), b*c.getBlue());
+		
+		driver->setMaterial(m_materials[0]);
 
 		video::S3DVertex vertices[4] =
 		{
@@ -235,9 +343,54 @@ void FarMesh::render()
 		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 > 0.006 && steepness < 1.0
+				&& ma_avg >= 2.0*BS && have_sand_count <= 2)
+		{
+			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[1]+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[3],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[0],p0.Y,
+							0,0,0, c, 0,1),
+					video::S3DVertex(p1.X,noise[1]+BS*MAP_BLOCKSIZE,p0.Y,
+							0,0,0, c, 0,0),
+					video::S3DVertex(p0.X,noise[2]+BS*MAP_BLOCKSIZE,p1.Y,
+							0,0,0, c, 1,0),
+					video::S3DVertex(p0.X,noise[3],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();
+	//driver->clearZBuffer();
 }
 
 void FarMesh::step(float dtime)
@@ -251,3 +404,4 @@ void FarMesh::update(v2f camera_p, float brightness)
 	m_brightness = brightness;
 }
 
+

src/farmesh.h

@@ -27,6 +27,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "common_irrlicht.h"
 
+#define FARMESH_MATERIAL_COUNT 2
+
+class Client;
+
 class FarMesh : public scene::ISceneNode
 {
 public:
@@ -34,7 +38,8 @@ public:
 			scene::ISceneNode* parent,
 			scene::ISceneManager* mgr,
 			s32 id,
-			u64 seed
+			u64 seed,
+			Client *client
 	);
 
 	~FarMesh();
@@ -52,15 +57,9 @@ public:
 		return m_box;
 	}
 
-	virtual u32 getMaterialCount() const
-	{
-		return 1;
-	}
+	virtual u32 getMaterialCount() const;
 
-	virtual video::SMaterial& getMaterial(u32 i)
-	{
-		return m_material;
-	}
+	virtual video::SMaterial& getMaterial(u32 i);
 	
 	/*
 		Other stuff
@@ -71,13 +70,14 @@ public:
 	void update(v2f camera_p, float brightness);
 
 private:
-	video::SMaterial m_material;
+	video::SMaterial m_materials[FARMESH_MATERIAL_COUNT];
 	core::aabbox3d<f32> m_box;
 	float m_cloud_y;
 	float m_brightness;
-	u32 m_seed;
+	u64 m_seed;
 	v2f m_camera_pos;
 	float m_time;
+	Client *m_client;
 };
 
 #endif

src/game.cpp

@@ -599,9 +599,9 @@ void update_skybox(video::IVideoDriver* driver,
 		skybox->remove();
 	}
 	
-	// Disable skybox if FarMesh is enabled
+	/*// Disable skybox if FarMesh is enabled
 	if(g_settings.getBool("enable_farmesh"))
-		return;
+		return;*/
 	
 	if(brightness >= 0.5)
 	{
@@ -836,7 +836,7 @@ void the_game(
 	FarMesh *farmesh = NULL;
 	if(g_settings.getBool("enable_farmesh"))
 	{
-		farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed());
+		farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
 	}
 
 	/*
@@ -1844,11 +1844,19 @@ void the_game(
 		
 		if(g_settings.getBool("enable_fog") == true)
 		{
-			f32 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
-			if(draw_control.range_all)
-				range = 100000*BS;
-			if(range < 50*BS)
-				range = range * 0.5 + 25*BS;
+			f32 range;
+			if(farmesh)
+			{
+				range = BS*MAP_BLOCKSIZE*20;
+			}
+			else
+			{
+				range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
+				if(draw_control.range_all)
+					range = 100000*BS;
+				if(range < 50*BS)
+					range = range * 0.5 + 25*BS;
+			}
 
 			driver->setFog(
 				bgcolor,

src/map.cpp

@@ -2129,6 +2129,16 @@ double get_mud_add_amount(u64 seed, v2s16 p)
 			seed+91013, 3, 0.55));
 }
 
+bool get_have_sand(u64 seed, v2s16 p2d)
+{
+	// Determine whether to have sand here
+	double sandnoise = noise2d_perlin(
+			0.5+(float)p2d.X/500, 0.5+(float)p2d.Y/500,
+			seed+59420, 3, 0.50);
+
+	return (sandnoise > -0.15);
+}
+
 /*
 	Adds random objects to block, depending on the content of the block
 */
@@ -3118,12 +3128,7 @@ void makeChunk(ChunkMakeData *data)
 		// Node position in 2d
 		v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
 		
-		// Determine whether to have sand here
-		double sandnoise = noise2d_perlin(
-				0.5+(float)p2d.X/500, 0.5+(float)p2d.Y/500,
-				data->seed+59420, 3, 0.50);
-
-		bool have_sand = (sandnoise > -0.15);
+		bool have_sand = get_have_sand(data->seed, p2d);
 
 		if(have_sand == false)
 			continue;
@@ -5658,6 +5663,14 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 	DSTACK(__FUNCTION_NAME);
 
 	bool is_transparent_pass = pass == scene::ESNRP_TRANSPARENT;
+	
+	/*
+		This is called two times per frame, reset on the non-transparent one
+	*/
+	if(pass == scene::ESNRP_SOLID)
+	{
+		m_last_drawn_sectors.clear();
+	}
 
 	/*
 		Get time for measuring timeout.
@@ -5706,9 +5719,6 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 	u32 blocks_would_have_drawn = 0;
 	u32 blocks_drawn = 0;
 
-	//NOTE: The sectors map should be locked but we're not doing it
-	// because it'd cause too much delays
-
 	int timecheck_counter = 0;
 	core::map<v2s16, MapSector*>::Iterator si;
 	si = m_sectors.getIterator();
@@ -5748,6 +5758,8 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 		/*
 			Draw blocks
 		*/
+		
+		u32 sector_blocks_drawn = 0;
 
 		core::list< MapBlock * >::Iterator i;
 		for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
@@ -5840,7 +5852,9 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 						&& m_control.range_all == false
 						&& d > m_control.wanted_min_range * BS)
 					continue;
+
 				blocks_drawn++;
+				sector_blocks_drawn++;
 
 				u32 c = mesh->getMeshBufferCount();
 
@@ -5866,6 +5880,11 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 				}
 			}
 		} // foreach sectorblocks
+
+		if(sector_blocks_drawn != 0)
+		{
+			m_last_drawn_sectors[sp] = true;
+		}
 	}
 	
 	m_control.blocks_drawn = blocks_drawn;

src/map.h

@@ -41,13 +41,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mapchunk.h"
 #include "nodemetadata.h"
 
-/*
-	Temporarily exposed map generator stuff
-	Should only be used for testing
-*/
-
-double base_rock_level_2d(u64 seed, v2s16 p);
-
 /*
 	MapEditEvent
 */
@@ -751,6 +744,12 @@ public:
 	// For debug printing
 	virtual void PrintInfo(std::ostream &out);
 	
+	// Check if sector was drawn on last render()
+	bool sectorWasDrawn(v2s16 p)
+	{
+		return (m_last_drawn_sectors.find(p) != NULL);
+	}
+	
 private:
 	Client *m_client;
 	
@@ -765,7 +764,8 @@ private:
 	v3f m_camera_position;
 	v3f m_camera_direction;
 	JMutex m_camera_mutex;
-
+	
+	core::map<v2s16, bool> m_last_drawn_sectors;
 };
 
 #endif