Clean up Mapgen

src/mapgen.h

@@ -72,6 +72,11 @@ public:
 	int water_level;
 	bool generating;
 	int id;
+	ManualMapVoxelManipulator *vm;
+	INodeDefManager *ndef;
+
+	void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
+	void updateLighting(v3s16 nmin, v3s16 nmax);
 
 	virtual void makeChunk(BlockMakeData *data) {};
 	virtual int getGroundLevelAtPoint(v2s16 p) = 0;

src/mapgen_v6.h

@@ -20,10 +20,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifndef MAPGENV6_HEADER
 #define MAPGENV6_HEADER
 
-#include "dungeongen.h"
 #include "mapgen.h"
 
 #define AVERAGE_MUD_AMOUNT 4
+#define VMANIP_FLAG_CAVE VOXELFLAG_CHECKED1
 
 enum BiomeType
 {
@@ -74,13 +74,17 @@ struct MapgenV6Params : public MapgenParams {
 
 class MapgenV6 : public Mapgen {
 public:
-	//ManualMapVoxelManipulator &vmanip;
-
 	int ystride;
 	v3s16 csize;
+	u32 flags;
 
+	u32 blockseed;
 	v3s16 node_min;
 	v3s16 node_max;
+	v3s16 full_node_min;
+	v3s16 full_node_max;
+	v3s16 central_area_size;
+	int volume_nodes;
 
 	Noise *noise_terrain_base;
 	Noise *noise_terrain_higher;
@@ -90,43 +94,58 @@ public:
 	Noise *noise_mud;
 	Noise *noise_beach;
 	Noise *noise_biome;
-
-	float *map_terrain_base;
-	float *map_terrain_higher;
-	float *map_steepness;
-	float *map_height_select;
-	float *map_trees;
-	float *map_mud;
-	float *map_beach;
-	float *map_biome;
-
 	NoiseParams *np_cave;
-
-	u32 flags;
 	float freq_desert;
 	float freq_beach;
 	
+	content_t c_stone;
+	content_t c_dirt;
+	content_t c_dirt_with_grass;
+	content_t c_sand;
+	content_t c_water_source;
+	content_t c_lava_source;
+	content_t c_gravel;
+	content_t c_cobble;
+	content_t c_desert_sand;
+	content_t c_desert_stone;
+
 	MapgenV6(int mapgenid, MapgenV6Params *params);
 	~MapgenV6();
 	
 	void makeChunk(BlockMakeData *data);
 	int getGroundLevelAtPoint(v2s16 p);
 
-	double baseRockLevelFromNoise(v2s16 p);
+	float baseTerrainLevel(float terrain_base, float terrain_higher,
-	static s16 find_ground_level(VoxelManipulator &vmanip,
+						   float steepness, float height_select);
-								 v2s16 p2d, INodeDefManager *ndef);
+	float baseTerrainLevelFromNoise(v2s16 p);
-	static s16 find_stone_level(VoxelManipulator &vmanip,
+	float baseTerrainLevelFromMap(v2s16 p);
-								 v2s16 p2d, INodeDefManager *ndef);
+	float baseTerrainLevelFromMap(int index);
-	void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
+
-					 bool is_apple_tree, INodeDefManager *ndef);
+	s16 find_ground_level(v2s16 p2d);
-	double tree_amount_2d(u64 seed, v2s16 p);
+	s16 find_stone_level(v2s16 p2d);
 	bool block_is_underground(u64 seed, v3s16 blockpos);
-	double base_rock_level_2d(u64 seed, v2s16 p);
 	s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
-	double get_mud_add_amount(u64 seed, v2s16 p);
+	
-	bool get_have_beach(u64 seed, v2s16 p2d);
+	float getTreeAmount(v2s16 p);
-	BiomeType get_biome(u64 seed, v2s16 p2d);
+	float getTreeAmount(int index);
+	float getMudAmount(v2s16 p);
+	float getMudAmount(int index);
+	bool getHaveBeach(v2s16 p);
+	bool getHaveBeach(int index);
+	BiomeType getBiome(v2s16 p);
+	BiomeType getBiome(int index, v2s16 p);
+	
 	u32 get_blockseed(u64 seed, v3s16 p);
+	
+	
+	void calculateNoise();
+	int generateGround();
+	void addMud();
+	void flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos);
+	void addDirtGravelBlobs();
+	void growGrass();
+	void placeTrees();
+	void generateCaves(int max_stone_y);
 };
 
 struct MapgenFactoryV6 : public MapgenFactory {

src/treegen.cpp

@@ -28,6 +28,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 namespace treegen
 {
+
 void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
 		bool is_apple_tree, INodeDefManager *ndef, int seed)
 {
@@ -35,8 +36,8 @@ void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
 	MapNode leavesnode(ndef->getId("mapgen_leaves"));
 	MapNode applenode(ndef->getId("mapgen_apple"));
 
-	PseudoRandom ps(seed);
+	PseudoRandom pr(seed);
-	s16 trunk_h = ps.range(4, 5);
+	s16 trunk_h = pr.range(4, 5);
 	v3s16 p1 = p0;
 	for(s16 ii=0; ii<trunk_h; ii++)
 	{
@@ -72,9 +73,9 @@ void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
 		s16 d = 1;
 
 		v3s16 p(
-			ps.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
+			pr.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
-			ps.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
+			pr.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
-			ps.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
+			pr.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
 		);
 
 		for(s16 z=0; z<=d; z++)
@@ -100,7 +101,7 @@ void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
 			continue;
 		u32 i = leaves_a.index(x,y,z);
 		if(leaves_d[i] == 1) {
-			bool is_apple = ps.range(0,99) < 10;
+			bool is_apple = pr.range(0,99) < 10;
 			if(is_apple_tree && is_apple) {
 				vmanip.m_data[vi] = applenode;
 			} else {
@@ -506,17 +507,17 @@ v3f transposeMatrix(irr::core::matrix4 M, v3f v)
 	return translated;
 }
 
-#if 0
+void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
-static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
+		INodeDefManager *ndef, int seed)
-		INodeDefManager *ndef)
 {
 	MapNode treenode(ndef->getId("mapgen_jungletree"));
 	MapNode leavesnode(ndef->getId("mapgen_leaves"));
 
+	PseudoRandom pr(seed);
 	for(s16 x=-1; x<=1; x++)
 	for(s16 z=-1; z<=1; z++)
 	{
-		if(myrand_range(0, 2) == 0)
+		if(pr.range(0, 2) == 0)
 			continue;
 		v3s16 p1 = p0 + v3s16(x,0,z);
 		v3s16 p2 = p0 + v3s16(x,-1,z);
@@ -527,7 +528,7 @@ static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
 			vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
 	}
 
-	s16 trunk_h = myrand_range(8, 12);
+	s16 trunk_h = pr.range(8, 12);
 	v3s16 p1 = p0;
 	for(s16 ii=0; ii<trunk_h; ii++)
 	{
@@ -562,9 +563,9 @@ static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
 		s16 d = 1;
 
 		v3s16 p(
-			myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
+			pr.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
-			myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
+			pr.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
-			myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
+			pr.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
 		);
 
 		for(s16 z=0; z<=d; z++)
@@ -593,6 +594,5 @@ static void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
 			vmanip.m_data[vi] = leavesnode;
 	}
 }
-#endif
 
 }; // namespace treegen

src/treegen.h

@@ -27,19 +27,19 @@ class ManualMapVoxelManipulator;
 class INodeDefManager;
 
 
-namespace treegen
+namespace treegen {
-{
 
-struct TreeDef
+	struct TreeDef {
-{
 		std::string initial_axiom;
 		std::string rules_a;
 		std::string rules_b;
 		std::string rules_c;
 		std::string rules_d;
+
 		MapNode trunknode;
 		MapNode leavesnode;
 		MapNode leaves2node;
+
 		int leaves2_chance;
 		int angle;
 		int iterations;
@@ -54,6 +54,9 @@ int seed;
 	// Add default tree
 	void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
 		bool is_apple_tree, INodeDefManager *ndef, int seed);
+	// Add jungle tree
+	void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
+		INodeDefManager *ndef, int seed);
 
 	// Add L-Systems tree (used by engine)
 	void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef,