wip

CHANGELOG.md

@@ -13,6 +13,7 @@ Changelog
   * Farmesh alpha
   * Multi protocol network: Auto use enet for freeminer servers and mt for minetest
   * Run abm's in whole world: to enable: abm_world=1
+  * Mapgen Earth (whole terrain 1:1 with seabeds)
 
 ### 5.7.0.0 (?)
   * Tree growth

src/client/fm_far_calc.cpp

@@ -24,6 +24,7 @@ along with Freeminer.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "client/clientmap.h"
 #include "constants.h"
+#include "debug/iostream_debug_helpers.h"
 #include "irr_v3d.h"
 #include "irrlichttypes.h"
 
@@ -186,9 +187,10 @@ std::optional<child_t> find(const v3tpos_t &block_pos, const v3tpos_t &player_po
 								 child.pos.Z + childSize),
 						 .size = childSize},
 		 }) {
-		const auto res = find(
-				block_pos, player_pos, child, cell_size_pow, farmesh_quality, depth + 1);
-		if (res) {
+
+		if (const auto res = find(block_pos, player_pos, child, cell_size_pow,
+					farmesh_quality, depth + 1);
+				res) {
 			return res;
 		}
 	}
@@ -251,7 +253,6 @@ v3bpos_t getFarActual(const v3bpos_t &blockpos, const v3bpos_t &ppos, int step,
 		const MapDrawControl &draw_control)
 {
 	const auto blockpos_aligned_cell = align_shift(blockpos, draw_control.cell_size_pow);
-
 	const auto start =
 			child_t{.pos = v3tpos_t((((tpos_t)ppos.X >> tree_align) << tree_align) -
 											(tree_align_size >> 1),
@@ -288,4 +289,104 @@ v3bpos_t getFarActual(const v3bpos_t &blockpos, const v3bpos_t &ppos, int step,
 			(blockpos.Z >> ext_align) << ext_align);
 }
 
+struct each_param_t
+{
+	const v3tpos_t &player_pos;
+	const int cell_size_pow;
+	const uint16_t farmesh_quality;
+	const std::function<bool(const child_t &)> &func;
+	const bool two_d{false};
+};
+
+void each(const each_param_t &param, const child_t &child)
+{
+	auto distance = std::max({std::abs((tpos_t)param.player_pos.X - child.pos.X -
+									   (child.size >> 1)),
+			std::abs((tpos_t)param.player_pos.Y - child.pos.Y - (child.size >> 1)),
+			std::abs((tpos_t)param.player_pos.Z - child.pos.Z - (child.size >> 1))});
+
+	if (param.farmesh_quality) {
+		distance /= param.farmesh_quality;
+	}
+
+	if (distance > child.size) {
+		param.func(child);
+		return;
+	}
+
+	const tpos_t childSize = child.size >> 1;
+	uint8_t i{0};
+	for (const auto &child : {
+				 // first with unchanged Y for 2d
+				 child_t{.pos{child.pos}, .size = childSize},
+				 child_t{.pos = v3tpos_t(
+								 child.pos.X + childSize, child.pos.Y, child.pos.Z),
+						 .size = childSize},
+				 child_t{.pos = v3tpos_t(
+								 child.pos.X, child.pos.Y, child.pos.Z + childSize),
+						 .size = childSize},
+				 child_t{.pos = v3tpos_t(child.pos.X + childSize, child.pos.Y,
+								 child.pos.Z + childSize),
+						 .size = childSize},
+
+				 // two_d ends here
+
+				 child_t{.pos = v3tpos_t(
+								 child.pos.X, child.pos.Y + childSize, child.pos.Z),
+						 .size = childSize},
+				 child_t{.pos = v3tpos_t(child.pos.X + childSize, child.pos.Y + childSize,
+								 child.pos.Z),
+						 .size = childSize},
+				 child_t{.pos = v3tpos_t(child.pos.X, child.pos.Y + childSize,
+								 child.pos.Z + childSize),
+						 .size = childSize},
+				 child_t{.pos = v3tpos_t(child.pos.X + childSize, child.pos.Y + childSize,
+								 child.pos.Z + childSize),
+						 .size = childSize},
+		 }) {
+
+		if (param.two_d && i++ >= 4) {
+			break;
+		}
+
+		if (child.size < (1 << (param.cell_size_pow))) {
+			if (param.func(child)) {
+				return;
+			}
+			continue;
+		}
+
+		each(param, child);
+	}
+}
+
+void runFarAll(const MapDrawControl &draw_control, const v3bpos_t &ppos,
+		uint8_t cell_size_pow, pos_t two_d,
+		const std::function<bool(const v3bpos_t &, const bpos_t &)> &func)
+{
+
+	const auto start =
+			child_t{.pos = v3tpos_t((((tpos_t)ppos.X >> tree_align) << tree_align) -
+											(tree_align_size >> 1),
+							two_d
+									?: (((tpos_t)(ppos.Y) >> tree_align) << tree_align) -
+											   (tree_align_size >> 1),
+							(((tpos_t)(ppos.Z) >> tree_align) << tree_align) -
+									(tree_align_size >> 1)),
+					.size{tree_size}};
+
+	const auto func_convert = [&func](const child_t &child) {
+		return func(v3bpos_t(child.pos.X, child.pos.Y, child.pos.Z), child.size);
+	};
+
+	// DUMP(start.pos, start.size, tree_align);
+
+	each({.player_pos{ppos.X, ppos.Y, ppos.Z},
+				 .cell_size_pow{cell_size_pow},
+				 .farmesh_quality{draw_control.farmesh_quality},
+				 .func{func_convert},
+				 .two_d{static_cast<bool>(two_d)}},
+			start);
+}
+
 #endif

src/client/fm_far_calc.h

@@ -22,6 +22,7 @@ along with Freeminer.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 #include "irr_v3d.h"
+#include "irrlichttypes.h"
 
 struct MapDrawControl;
 
@@ -39,3 +40,6 @@ v3bpos_t getFarActual(const v3bpos_t &blockpos, const v3bpos_t &playerblockpos,
 		const MapDrawControl &draw_control);
 v3bpos_t playerBlockAlign(
 		const MapDrawControl &draw_control, const v3bpos_t &playerblockpos);
+void runFarAll(const MapDrawControl &draw_control, const v3bpos_t &ppos,
+		uint8_t cell_size_pow, pos_t two_d,
+		const std::function<bool(const v3bpos_t &, const bpos_t &)> &func);

src/client/fm_farmesh.cpp

@@ -212,7 +212,6 @@ FarMesh::FarMesh(Client *client, Server *server, MapDrawControl *control) :
 
 	EmergeManager *emerge_use = server			   ? server->getEmergeManager()
 								: client->m_emerge ? client->m_emerge.get()
-
 												   : nullptr;
 
 	if (!emerge_use) {
@@ -261,6 +260,30 @@ auto align_shift(auto pos, const auto amount)
 	(pos.Z >>= amount) <<= amount;
 	return pos;
 }
+int FarMesh::go_flat()
+{
+	const auto &draw_control = m_client->getEnv().getClientMap().getControl();
+
+	auto &dcache = direction_caches[0][0];
+	auto &last_range = dcache.step_num;
+	// todo: slowly increase range here
+	if (last_range > 0) {
+		return 0;
+	}
+	last_range = 1;
+
+	const auto cbpos = getNodeBlockPos(m_camera_pos_aligned);
+
+	runFarAll(draw_control, cbpos, draw_control.cell_size_pow, 1,
+			[this, &draw_control](const v3bpos_t &bpos, const bpos_t &size) -> bool {
+				const auto stp = int(log(size) / log(2)) - draw_control.cell_size_pow;
+				// DUMP(bpos, size, stp);
+				makeFarBlocks(bpos, stp);
+				return false;
+			});
+
+	return last_range;
+}
 
 int FarMesh::go_direction(const size_t dir_n)
 {
@@ -273,7 +296,7 @@ int FarMesh::go_direction(const size_t dir_n)
 	auto &cache = direction_caches[dir_n];
 	auto &mg_cache = mg_caches[dir_n];
 
-	auto &draw_control = m_client->getEnv().getClientMap().getControl();
+	const auto &draw_control = m_client->getEnv().getClientMap().getControl();
 
 	const auto dir = g_6dirso[dir_n];
 	const auto grid_size_xy = grid_size_x * grid_size_y;
@@ -491,30 +514,29 @@ uint8_t FarMesh::update(v3opos_t camera_pos,
 			plane_processed.fill({});
 		}
 	}
-	/*
-	if (mg->surface_2d()) {
-		// TODO: use fast simple quadtree based direct mesh create
-	} else 
-    */
+
 	{
-		uint8_t planes_processed = 0;
-		for (uint8_t i = 0; i < sizeof(g_6dirso) / sizeof(g_6dirso[0]); ++i) {
-#if FARMESH_DEBUG
-			if (i) {
-				break;
+		uint8_t planes_processed{};
+		if (mg->surface_2d()) {
+			if (plane_processed[0].processed) {
+				++planes_processed;
+				async[0].step([this]() { plane_processed[0].processed = go_flat(); });
 			}
+		} else {
+			for (uint8_t i = 0; i < sizeof(g_6dirso) / sizeof(g_6dirso[0]); ++i) {
+#if FARMESH_DEBUG
+				if (i) {
+					break;
+				}
 #endif
-			if (!plane_processed[i].processed) {
-				continue;
+				if (!plane_processed[i].processed) {
+					continue;
+				}
+				++planes_processed;
+				async[i].step([this, i = i]() {
+					plane_processed[i].processed = go_direction(i);
+				});
 			}
-			++planes_processed;
-			async[i].step([this, i = i]() {
-				//for (int depth = 0; depth < 100; ++depth) {
-				plane_processed[i].processed = go_direction(i);
-				//	if (!plane_processed[i].processed)
-				//		break;
-				//}
-			});
 		}
 		planes_processed_last = planes_processed;
 

src/client/fm_farmesh.h

@@ -109,6 +109,7 @@ class FarMesh
 	std::array<plane_cache, 6> plane_processed;
 	std::atomic_uint last_distance_max{};
 	int go_direction(const size_t dir_n);
+	int go_flat();
 	uint32_t far_iteration_complete{};
 	bool complete_set = false;
 	uint8_t planes_processed_last{};

src/mapgen/mapgen_earth.h

@@ -86,6 +86,7 @@ class MapgenEarth : public MapgenV7
 	MapNode layers_get(float value, float max);
 	bool visible(const v3pos_t &p) override;
 	const MapNode &visible_content(const v3pos_t &p, bool use_weather) override;
+	bool surface_2d() override { return false; }; /// TODO make true
 
 	hgts hgt_reader;
 

util/autotest/auto.pl

@@ -905,7 +905,6 @@ (@)
     say 'running ', join ' ', @_;
     file_append("$config->{logdir}/run.sh", join(' ', @_), "\n");
     my $pid = open my $fh, "-|", "@_ 2>&1" or return "can't open @_: $!";
-warn $config->{pid_file}, $pid;
     if ($config->{pid_file}) {
         unlink $config->{pid_file};
         file_append($config->{pid_file}, $pid);