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map unloading is now a whole lot better
[dragonfireclient.git] / src / mapgen.cpp
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 285f76781495b3b33d2249d85bad8c6b7866815e..4a2a39aec7b63b4170fa46435765bf91c933d2d1 100644 (file)
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -673,52 +673,19 @@ class RoomWalker
                                continue;
                        v3s16 roomplace;
                        // X east, Z north, Y up
-#if 0
-                       if(doordir == v3s16(1,0,0)) // X+
-                               roomplace = doorplace + v3s16(0,-1,-roomsize.Z/2+
-                                               m_random.range(-roomsize.Z/2+1,roomsize.Z/2-1));
-                       if(doordir == v3s16(-1,0,0)) // X-
-                               roomplace = doorplace + v3s16(-roomsize.X+1,-1,-roomsize.Z/2
-                                               +m_random.range(-roomsize.Z/2+1,roomsize.Z/2-1));
-                       if(doordir == v3s16(0,0,1)) // Z+
-                               roomplace = doorplace + v3s16(-roomsize.X/2
-                                               +m_random.range(-roomsize.X/2+1,roomsize.X/2-1),-1,0);
-                       if(doordir == v3s16(0,0,-1)) // Z-
-                               roomplace = doorplace + v3s16(-roomsize.X/2
-                                               +m_random.range(-roomsize.X/2+1,roomsize.X/2-1),-1,
-                                                               -roomsize.Z+1);
-#endif
-#if 0
-                       if(doordir == v3s16(1,0,0)) // X+
-                               roomplace = doorplace + v3s16(0,-1,-roomsize.Z/2+
-                                               m_random.range(-roomsize.Z/2+(roomsize.Z%2==0?2:1),
-                                                               roomsize.Z/2-1));
-                       if(doordir == v3s16(-1,0,0)) // X-
-                               roomplace = doorplace + v3s16(-roomsize.X+1,-1,-roomsize.Z/2
-                                               +m_random.range(-roomsize.Z/2+(roomsize.Z%2==0?2:1),
-                                                               roomsize.Z/2-1));
-                       if(doordir == v3s16(0,0,1)) // Z+
-                               roomplace = doorplace + v3s16(-roomsize.X/2
-                                               +m_random.range(-roomsize.X/2+(roomsize.X%2==0?2:1),
-                                                               roomsize.X/2-1),-1,0);
-                       if(doordir == v3s16(0,0,-1)) // Z-
-                               roomplace = doorplace + v3s16(-roomsize.X/2
-                                               +m_random.range(-roomsize.X/2+(roomsize.X%2==0?2:1),
-                                                               roomsize.X/2-1),-1, -roomsize.Z+1);
-#endif
 #if 1
                        if(doordir == v3s16(1,0,0)) // X+
                                roomplace = doorplace +
-                                               v3s16(0,-1,m_random.range(-roomsize.Z+1,-2));
+                                               v3s16(0,-1,m_random.range(-roomsize.Z+2,-2));
                        if(doordir == v3s16(-1,0,0)) // X-
                                roomplace = doorplace +
-                                               v3s16(-roomsize.X+1,-1,m_random.range(-roomsize.Z+1,-2));
+                                               v3s16(-roomsize.X+1,-1,m_random.range(-roomsize.Z+2,-2));
                        if(doordir == v3s16(0,0,1)) // Z+
                                roomplace = doorplace +
-                                               v3s16(m_random.range(-roomsize.X+1,-2),-1,0);
+                                               v3s16(m_random.range(-roomsize.X+2,-2),-1,0);
                        if(doordir == v3s16(0,0,-1)) // Z-
                                roomplace = doorplace +
-                                               v3s16(m_random.range(-roomsize.X+1,-2),-1,-roomsize.Z+1);
+                                               v3s16(m_random.range(-roomsize.X+2,-2),-1,-roomsize.Z+1);
 #endif
 #if 0
                        if(doordir == v3s16(1,0,0)) // X+
@@ -899,10 +866,18 @@ static void make_dungeon1(VoxelManipulator &vmanip, PseudoRandom &random)
        Noise functions. Make sure seed is mangled differently in each one.
 */
 
-// This affects the shape of the contour
+/*
+       Scaling the output of the noise function affects the overdrive of the
+       contour function, which affects the shape of the output considerably.
+*/
+#define CAVE_NOISE_SCALE 12.0
 //#define CAVE_NOISE_SCALE 10.0
 //#define CAVE_NOISE_SCALE 7.5
-#define CAVE_NOISE_SCALE 5.0
+//#define CAVE_NOISE_SCALE 5.0
+//#define CAVE_NOISE_SCALE 1.0
+
+//#define CAVE_NOISE_THRESHOLD (2.5/CAVE_NOISE_SCALE)
+#define CAVE_NOISE_THRESHOLD (1.5/CAVE_NOISE_SCALE)
 
 NoiseParams get_cave_noise1_params(u64 seed)
 {
@@ -910,8 +885,13 @@ NoiseParams get_cave_noise1_params(u64 seed)
                        200, CAVE_NOISE_SCALE);*/
        /*return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 4, 0.7,
                        100, CAVE_NOISE_SCALE);*/
-       return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 5, 0.6,
-                       100, CAVE_NOISE_SCALE);
+       /*return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 5, 0.6,
+                       100, CAVE_NOISE_SCALE);*/
+       /*return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 5, 0.3,
+                       100, CAVE_NOISE_SCALE);*/
+       return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 4, 0.5,
+                       50, CAVE_NOISE_SCALE);
+       //return NoiseParams(NOISE_CONSTANT_ONE);
 }
 
 NoiseParams get_cave_noise2_params(u64 seed)
@@ -920,13 +900,13 @@ NoiseParams get_cave_noise2_params(u64 seed)
                        200, CAVE_NOISE_SCALE);*/
        /*return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 4, 0.7,
                        100, CAVE_NOISE_SCALE);*/
-       return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 5, 0.6,
-                       100, CAVE_NOISE_SCALE);
+       /*return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 5, 0.3,
+                       100, CAVE_NOISE_SCALE);*/
+       return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 4, 0.5,
+                       50, CAVE_NOISE_SCALE);
+       //return NoiseParams(NOISE_CONSTANT_ONE);
 }
 
-//#define CAVE_NOISE_THRESHOLD (2.5/CAVE_NOISE_SCALE)
-#define CAVE_NOISE_THRESHOLD (2.0/CAVE_NOISE_SCALE)
-
 NoiseParams get_ground_noise1_params(u64 seed)
 {
        return NoiseParams(NOISE_PERLIN, seed+983240, 5,
@@ -963,13 +943,13 @@ bool val_is_ground(double ground_noise1_val, v3s16 p, u64 seed)
 {
        //return ((double)p.Y < ground_noise1_val);
 
-       double f = 0.8 + noise2d_perlin(
+       double f = 0.55 + noise2d_perlin(
                        0.5+(float)p.X/250, 0.5+(float)p.Z/250,
                        seed+920381, 3, 0.5);
        if(f < 0.01)
                f = 0.01;
        else if(f >= 1.0)
-               f *= 2.0;
+               f *= 1.6;
        double h = WATER_LEVEL + 10 * noise2d_perlin(
                        0.5+(float)p.X/250, 0.5+(float)p.Z/250,
                        seed+84174, 4, 0.5);
@@ -1409,7 +1389,7 @@ void make_block(BlockMakeData *data)
        /*
                Create a block-specific seed
        */
-       u32 blockseed = (data->seed%0x100000000) + full_node_min.Z*38134234
+       u32 blockseed = (u32)(data->seed%0x100000000) + full_node_min.Z*38134234
                        + full_node_min.Y*42123 + full_node_min.X*23;
        
        /*
@@ -1431,13 +1411,13 @@ void make_block(BlockMakeData *data)
                /*
                        Cave noise
                */
-
+#if 1
                noisebuf_cave.create(get_cave_noise1_params(data->seed),
                                minpos_f.X, minpos_f.Y, minpos_f.Z,
                                maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
-                               4, 3, 4);
-               
+                               2, 2, 2);
                noisebuf_cave.multiply(get_cave_noise2_params(data->seed));
+#endif
 
                /*
                        Ground noise
Dragonfireclient is an utility client for the Voxelengine minetest (http://minetest.net/). The client was created by Elias Fleckenstein and is inspired by the Minecraft clients Liquid Bounce and Impact. Discord: https://discord.gg/kab99uu for more information.