[Heightmap] Added and used in TerrainGenerator. Fixed #135.

[README.md] Fixed typo.
[EngineConfig] Increased pre-release version suffix.
[mods/default] Fixed furnace texture.

README.md

@@ -77,7 +77,7 @@ The long-term goal of this project is to provide a viable alternative to Minecra
 
 ## Project status
 
-This list is non complete.
+This list is not complete.
 
 See also the roadmap for 1.0.0 [here](https://github.com/Unarelith/OpenMiner/wiki/Roadmap).
 

external/gamekit

@@ -1 +1 @@
-Subproject commit f0285a38170f3f59963b56bbb3347a6321f7e064
+Subproject commit c664d1150ffd59f6899738e26b0cabb8af608254

source/common/core/EngineConfig.hpp

@@ -36,7 +36,7 @@ namespace {
 	constexpr unsigned char VERSION_MAJOR = 0;
 	constexpr unsigned char VERSION_MINOR = 0;
 	constexpr unsigned char VERSION_PATCH = 10;
-	constexpr const char *VERSION_SUFFIX = "pre5";
+	constexpr const char *VERSION_SUFFIX = "pre6";
 
 	constexpr float DIST_NEAR  = 0.1f;
 	constexpr float DIST_FAR   = 1000.0f;

source/common/world/Heightmap.cpp

@@ -0,0 +1,63 @@
+/*
+ * =====================================================================================
+ *
+ *  OpenMiner
+ *
+ *  Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
+ *  Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
+ *
+ *  This file is part of OpenMiner.
+ *
+ *  OpenMiner 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.
+ *
+ *  OpenMiner 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 OpenMiner; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ * =====================================================================================
+ */
+#include "FastNoise.hpp"
+#include "Heightmap.hpp"
+
+void HeightmapChunk::generate() {
+	FastNoise noise;
+	noise.SetNoiseType(FastNoise::NoiseType::SimplexFractal);
+	noise.SetFrequency(1 / 256.0f);
+	noise.SetFractalOctaves(4);
+
+	for(int y = 0 ; y < CHUNK_DEPTH ; y++) {
+		for(int x = 0 ; x < CHUNK_WIDTH ; x++) {
+			double n = noise.GetNoise(-x - m_x * CHUNK_WIDTH, y + m_y * CHUNK_DEPTH);
+			m_map[y][x] = 10 + n * 20;
+		}
+	}
+}
+
+s32 HeightmapChunk::landHeightAt(s8 x, s8 y) const {
+	return m_map[y][x];
+}
+
+HeightmapChunk &Heightmap::getOrCreateChunk(s32 x, s32 y) {
+	HeightmapChunk *chunk = nullptr;
+
+	auto it = m_chunks.find({x, y});
+	if (it == m_chunks.end()) {
+		m_chunks.emplace(gk::Vector2i{x, y}, HeightmapChunk{x, y});
+
+		chunk = &m_chunks.at({x, y});
+		chunk->generate();
+	}
+	else
+		chunk = &it->second;
+
+	return *chunk;
+}
+

source/common/world/Heightmap.hpp

@@ -0,0 +1,61 @@
+/*
+ * =====================================================================================
+ *
+ *  OpenMiner
+ *
+ *  Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
+ *  Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
+ *
+ *  This file is part of OpenMiner.
+ *
+ *  OpenMiner 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.
+ *
+ *  OpenMiner 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 OpenMiner; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ * =====================================================================================
+ */
+#ifndef HEIGHTMAP_HPP_
+#define HEIGHTMAP_HPP_
+
+#include <unordered_map>
+
+#include <gk/core/IntTypes.hpp>
+#include <gk/core/Vector2.hpp>
+
+#include "EngineConfig.hpp"
+
+class HeightmapChunk {
+	public:
+		HeightmapChunk(s32 x, s32 y)
+			: m_x(x), m_y(y) {}
+
+		void generate();
+
+		s32 landHeightAt(s8 x, s8 y) const;
+
+	private:
+		s32 m_x = 0;
+		s32 m_y = 0;
+
+		s32 m_map[CHUNK_DEPTH][CHUNK_WIDTH];
+};
+
+class Heightmap {
+	public:
+		HeightmapChunk &getOrCreateChunk(s32 x, s32 y);
+
+	private:
+		std::unordered_map<gk::Vector2i, HeightmapChunk> m_chunks;
+};
+
+#endif // HEIGHTMAP_HPP_

source/server/lua/LuaMod.hpp

@@ -97,8 +97,8 @@ class LuaMod {
 		LuaSkyLoader m_skyLoader{*this};
 		LuaBiomeLoader m_biomeLoader{*this};
 		LuaDimensionLoader m_dimensionLoader{*this};
-		LuaEntityLoader m_entityLoader{*this, m_worldController};
 		LuaKeyLoader m_keyLoader{*this};
+		LuaEntityLoader m_entityLoader{*this, m_worldController};
 };
 
 #endif // LUAMOD_HPP_

source/server/world/ServerWorld.hpp

@@ -49,7 +49,7 @@ class ServerWorld : public World {
 
 	public:
 		ServerWorld(PlayerList &players, const Dimension &dimension, gk::GameClock &clock)
-			: m_players(players), m_dimension(dimension), m_terrainGenerator(dimension), m_clock(clock), m_scene(players) {}
+			: m_players(players), m_dimension(dimension), m_terrainGenerator(m_heightmap, dimension), m_clock(clock), m_scene(players) {}
 
 		void update(bool doTick);
 
@@ -80,6 +80,7 @@ class ServerWorld : public World {
 
 		ChunkMap m_chunks;
 
+		Heightmap m_heightmap;
 		TerrainGenerator m_terrainGenerator;
 
 		ServerCommandHandler *m_server = nullptr;

source/server/world/TerrainGenerator.cpp

@@ -38,10 +38,7 @@ void TerrainGenerator::generate(ServerChunk &chunk) const {
 }
 
 void TerrainGenerator::fastNoiseGeneration(ServerChunk &chunk) const {
-	FastNoise noise;
-	noise.SetNoiseType(FastNoise::NoiseType::SimplexFractal);
-	noise.SetFrequency(1 / 256.0f);
-	noise.SetFractalOctaves(4);
+	HeightmapChunk &heightmap = m_heightmap.getOrCreateChunk(chunk.x(), chunk.y());
 
 	Random_t rand;
 	rand.seed(chunk.x() + chunk.y() * CHUNK_WIDTH + chunk.z() * CHUNK_WIDTH * CHUNK_HEIGHT + 1337);
@@ -53,11 +50,7 @@ void TerrainGenerator::fastNoiseGeneration(ServerChunk &chunk) const {
 			const Biome &biome = Registry::getInstance().getBiome(biomeIndex);
 
 			// Land height
-			double n = noise.GetNoise(-x - chunk.x() * CHUNK_WIDTH, y + chunk.y() * CHUNK_DEPTH);
-			double h = 10 + n * 20;
-
-			// double n = noise2d((x + chunk.x() * CHUNK_WIDTH) / 256.0, (y + chunk.y() * CHUNK_DEPTH) / 256.0, 4, 0.5) * 4;
-			// double h = 10 + n * 2;
+			double h = heightmap.landHeightAt(x, y);
 
 			// Land blocks
 			for(int z = 0 ; z < CHUNK_HEIGHT ; z++) {

source/server/world/TerrainGenerator.hpp

@@ -33,6 +33,7 @@
 
 #include <sol/sol.hpp>
 
+#include "Heightmap.hpp"
 #include "TerrainBiomeSampler.hpp"
 
 using Random_t = effolkronium::random_local;
@@ -43,7 +44,8 @@ class ServerChunk;
 
 class TerrainGenerator {
 	public:
-		TerrainGenerator(const Dimension &dimension) : m_biomeSampler(dimension) {}
+		TerrainGenerator(Heightmap &heightmap, const Dimension &dimension)
+			: m_biomeSampler(dimension), m_heightmap(heightmap) {}
 
 		void generate(ServerChunk &chunk) const;
 
@@ -64,6 +66,8 @@ class TerrainGenerator {
 		static float noise3d_abs(double x, double y, double z, int octaves, float persistence);
 
 		TerrainBiomeSampler m_biomeSampler;
+
+		Heightmap &m_heightmap;
 };
 
 #endif // TERRAINGENERATOR_HPP_