]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/mapgen_v7.cpp
Added configurable ambient_occlusion_gamma. Default is 2.2 (same as previous hardcode...
[dragonfireclient.git] / src / mapgen_v7.cpp
index 82bc4aae825cb16faf0cc03e3fef6c4b6f7c0c46..a7a56f378b653e4ea2d9ffe075ff3ad11650aff6 100644 (file)
@@ -52,8 +52,8 @@ FlagDesc flagdesc_mapgen_v7[] = {
 MapgenV7::MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge)
        : Mapgen(mapgenid, params, emerge)
 {
-       this->emerge = emerge;
-       this->bmgr   = emerge->biomemgr;
+       this->m_emerge = emerge;
+       this->bmgr     = emerge->biomemgr;
 
        //// amount of elements to skip for the next index
        //// for noise/height/biome maps (not vmanip)
@@ -81,8 +81,8 @@ MapgenV7::MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge)
        noise_ridge    = new Noise(&sp->np_ridge,    seed, csize.X, csize.Y, csize.Z);
 
        //// Biome noise
-       noise_heat     = new Noise(bmgr->np_heat,     seed, csize.X, csize.Z);
-       noise_humidity = new Noise(bmgr->np_humidity, seed, csize.X, csize.Z);
+       noise_heat     = new Noise(&params->np_biome_heat,     seed, csize.X, csize.Z);
+       noise_humidity = new Noise(&params->np_biome_humidity, seed, csize.X, csize.Z);
 
        //// Resolve nodes to be used
        INodeDefManager *ndef = emerge->ndef;
@@ -99,7 +99,8 @@ MapgenV7::MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge)
 }
 
 
-MapgenV7::~MapgenV7() {
+MapgenV7::~MapgenV7()
+{
        delete noise_terrain_base;
        delete noise_terrain_persist;
        delete noise_height_select;
@@ -119,22 +120,24 @@ MapgenV7::~MapgenV7() {
 }
 
 
-MapgenV7Params::MapgenV7Params() {
+MapgenV7Params::MapgenV7Params()
+{
        spflags = MGV7_MOUNTAINS | MGV7_RIDGES;
 
-       np_terrain_base    = NoiseParams(4,    70,  v3f(300, 300, 300), 82341, 6, 0.7);
-       np_terrain_alt     = NoiseParams(4,    25,  v3f(600, 600, 600), 5934,  5, 0.6);
-       np_terrain_persist = NoiseParams(0.6,  0.1, v3f(500, 500, 500), 539,   3, 0.6);
-       np_height_select   = NoiseParams(-0.5, 1,   v3f(250, 250, 250), 4213,  5, 0.69);
-       np_filler_depth    = NoiseParams(0,    1.2, v3f(150, 150, 150), 261,   4, 0.7);
-       np_mount_height    = NoiseParams(100,  30,  v3f(500, 500, 500), 72449, 4, 0.6);
-       np_ridge_uwater    = NoiseParams(0,    1,   v3f(500, 500, 500), 85039, 4, 0.6);
-       np_mountain        = NoiseParams(0,    1,   v3f(250, 350, 250), 5333,  5, 0.68);
-       np_ridge           = NoiseParams(0,    1,   v3f(100, 100, 100), 6467,  4, 0.75);
+       np_terrain_base    = NoiseParams(4,    70,  v3f(300, 300, 300), 82341, 6, 0.7,  2.0);
+       np_terrain_alt     = NoiseParams(4,    25,  v3f(600, 600, 600), 5934,  5, 0.6,  2.0);
+       np_terrain_persist = NoiseParams(0.6,  0.1, v3f(500, 500, 500), 539,   3, 0.6,  2.0);
+       np_height_select   = NoiseParams(-0.5, 1,   v3f(250, 250, 250), 4213,  5, 0.69, 2.0);
+       np_filler_depth    = NoiseParams(0,    1.2, v3f(150, 150, 150), 261,   4, 0.7,  2.0);
+       np_mount_height    = NoiseParams(100,  30,  v3f(500, 500, 500), 72449, 4, 0.6,  2.0);
+       np_ridge_uwater    = NoiseParams(0,    1,   v3f(500, 500, 500), 85039, 4, 0.6,  2.0);
+       np_mountain        = NoiseParams(0,    1,   v3f(250, 350, 250), 5333,  5, 0.68, 2.0);
+       np_ridge           = NoiseParams(0,    1,   v3f(100, 100, 100), 6467,  4, 0.75, 2.0);
 }
 
 
-void MapgenV7Params::readParams(Settings *settings) {
+void MapgenV7Params::readParams(Settings *settings)
+{
        settings->getFlagStrNoEx("mgv7_spflags", spflags, flagdesc_mapgen_v7);
 
        settings->getNoiseParams("mgv7_np_terrain_base",    np_terrain_base);
@@ -149,7 +152,8 @@ void MapgenV7Params::readParams(Settings *settings) {
 }
 
 
-void MapgenV7Params::writeParams(Settings *settings) {
+void MapgenV7Params::writeParams(Settings *settings)
+{
        settings->setFlagStr("mgv7_spflags", spflags, flagdesc_mapgen_v7, (u32)-1);
 
        settings->setNoiseParams("mgv7_np_terrain_base",    np_terrain_base);
@@ -167,13 +171,14 @@ void MapgenV7Params::writeParams(Settings *settings) {
 ///////////////////////////////////////
 
 
-int MapgenV7::getGroundLevelAtPoint(v2s16 p) {
+int MapgenV7::getGroundLevelAtPoint(v2s16 p)
+{
        // Base terrain calculation
        s16 y = baseTerrainLevelAtPoint(p.X, p.Y);
 
        // Ridge/river terrain calculation
        float width = 0.3;
-       float uwatern = NoisePerlin2DNoTxfm(noise_ridge_uwater->np, p.X, p.Y, seed) * 2;
+       float uwatern = NoisePerlin2D(&noise_ridge_uwater->np, p.X, p.Y, seed) * 2;
        // actually computing the depth of the ridge is much more expensive;
        // if inside a river, simply guess
        if (uwatern >= -width && uwatern <= width)
@@ -193,7 +198,8 @@ int MapgenV7::getGroundLevelAtPoint(v2s16 p) {
 }
 
 
-void MapgenV7::makeChunk(BlockMakeData *data) {
+void MapgenV7::makeChunk(BlockMakeData *data)
+{
        assert(data->vmanip);
        assert(data->nodedef);
        assert(data->blockpos_requested.X >= data->blockpos_min.X &&
@@ -215,7 +221,7 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
        full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
        full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
 
-       blockseed = emerge->getBlockSeed(full_node_min);  //////use getBlockSeed2()!
+       blockseed = getBlockSeed2(full_node_min, seed);
 
        // Make some noise
        calculateNoise();
@@ -235,16 +241,16 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
        if (flags & MG_CAVES)
                generateCaves(stone_surface_max_y);
 
-       if (flags & MG_DUNGEONS) {
+       if ((flags & MG_DUNGEONS) && (stone_surface_max_y >= node_min.Y)) {
                DungeonGen dgen(this, NULL);
                dgen.generate(blockseed, full_node_min, full_node_max);
        }
 
        // Generate the registered decorations
-       emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
+       m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
 
        // Generate the registered ores
-       emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max);
+       m_emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max);
 
        // Sprinkle some dust on top after everything else was generated
        dustTopNodes();
@@ -254,8 +260,7 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
        updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
 
        if (flags & MG_LIGHT)
-               calcLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
-                                        node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE);
+               calcLighting(node_min, node_max);
        //setLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
        //                      node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE, 0xFF);
 
@@ -263,33 +268,26 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
 }
 
 
-void MapgenV7::calculateNoise() {
+void MapgenV7::calculateNoise()
+{
        //TimeTaker t("calculateNoise", NULL, PRECISION_MICRO);
        int x = node_min.X;
        int y = node_min.Y;
        int z = node_min.Z;
 
        noise_height_select->perlinMap2D(x, z);
-       noise_height_select->transformNoiseMap();
-
        noise_terrain_persist->perlinMap2D(x, z);
-       noise_terrain_persist->transformNoiseMap();
        float *persistmap = noise_terrain_persist->result;
        for (int i = 0; i != csize.X * csize.Z; i++)
                persistmap[i] = rangelim(persistmap[i], 0.4, 0.9);
 
-       noise_terrain_base->perlinMap2DModulated(x, z, persistmap);
-       noise_terrain_base->transformNoiseMap();
-
-       noise_terrain_alt->perlinMap2DModulated(x, z, persistmap);
-       noise_terrain_alt->transformNoiseMap();
-
+       noise_terrain_base->perlinMap2D(x, z, persistmap);
+       noise_terrain_alt->perlinMap2D(x, z, persistmap);
        noise_filler_depth->perlinMap2D(x, z);
 
        if (spflags & MGV7_MOUNTAINS) {
                noise_mountain->perlinMap3D(x, y, z);
                noise_mount_height->perlinMap2D(x, z);
-               noise_mount_height->transformNoiseMap();
        }
 
        if (spflags & MGV7_RIDGES) {
@@ -304,27 +302,29 @@ void MapgenV7::calculateNoise() {
 }
 
 
-Biome *MapgenV7::getBiomeAtPoint(v3s16 p) {
-       float heat      = NoisePerlin2D(bmgr->np_heat, p.X, p.Z, seed);
-       float humidity  = NoisePerlin2D(bmgr->np_humidity, p.X, p.Z, seed);
+Biome *MapgenV7::getBiomeAtPoint(v3s16 p)
+{
+       float heat      = NoisePerlin2D(&noise_heat->np, p.X, p.Z, seed);
+       float humidity  = NoisePerlin2D(&noise_humidity->np, p.X, p.Z, seed);
        s16 groundlevel = baseTerrainLevelAtPoint(p.X, p.Z);
 
        return bmgr->getBiome(heat, humidity, groundlevel);
 }
 
 //needs to be updated
-float MapgenV7::baseTerrainLevelAtPoint(int x, int z) {
-       float hselect = NoisePerlin2D(noise_height_select->np, x, z, seed);
+float MapgenV7::baseTerrainLevelAtPoint(int x, int z)
+{
+       float hselect = NoisePerlin2D(&noise_height_select->np, x, z, seed);
        hselect = rangelim(hselect, 0.0, 1.0);
 
-       float persist = NoisePerlin2D(noise_terrain_persist->np, x, z, seed);
+       float persist = NoisePerlin2D(&noise_terrain_persist->np, x, z, seed);
        persist = rangelim(persist, 0.4, 0.9);
 
-       noise_terrain_base->np->persist = persist;
-       float height_base = NoisePerlin2D(noise_terrain_base->np, x, z, seed);
+       noise_terrain_base->np.persist = persist;
+       float height_base = NoisePerlin2D(&noise_terrain_base->np, x, z, seed);
 
-       noise_terrain_alt->np->persist = persist;
-       float height_alt = NoisePerlin2D(noise_terrain_alt->np, x, z, seed);
+       noise_terrain_alt->np.persist = persist;
+       float height_alt = NoisePerlin2D(&noise_terrain_alt->np, x, z, seed);
 
        if (height_alt > height_base)
                return height_alt;
@@ -333,7 +333,8 @@ float MapgenV7::baseTerrainLevelAtPoint(int x, int z) {
 }
 
 
-float MapgenV7::baseTerrainLevelFromMap(int index) {
+float MapgenV7::baseTerrainLevelFromMap(int index)
+{
        float hselect     = rangelim(noise_height_select->result[index], 0.0, 1.0);
        float height_base = noise_terrain_base->result[index];
        float height_alt  = noise_terrain_alt->result[index];
@@ -345,18 +346,20 @@ float MapgenV7::baseTerrainLevelFromMap(int index) {
 }
 
 
-bool MapgenV7::getMountainTerrainAtPoint(int x, int y, int z) {
-       float mnt_h_n = NoisePerlin2D(noise_mount_height->np, x, z, seed);
-       float height_modifier = -((float)y / rangelim(mnt_h_n, 80.0, 150.0));
-       float mnt_n = NoisePerlin3D(noise_mountain->np, x, y, z, seed);
+bool MapgenV7::getMountainTerrainAtPoint(int x, int y, int z)
+{
+       float mnt_h_n = NoisePerlin2D(&noise_mount_height->np, x, z, seed);
+       float height_modifier = -((float)y / mnt_h_n);
+       float mnt_n = NoisePerlin3D(&noise_mountain->np, x, y, z, seed);
 
        return mnt_n + height_modifier >= 0.6;
 }
 
 
-bool MapgenV7::getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y) {
+bool MapgenV7::getMountainTerrainFromMap(int idx_xyz, int idx_xz, int y)
+{
        float mounthn = noise_mount_height->result[idx_xz];
-       float height_modifier = -((float)y / rangelim(mounthn, 80.0, 150.0));
+       float height_modifier = -((float)y / mounthn);
        return (noise_mountain->result[idx_xyz] + height_modifier >= 0.6);
 }
 
@@ -373,10 +376,10 @@ void MapgenV7::carveRivers() {
        for (s16 x = node_min.X; x <= node_max.X; x++, index++) {
                float terrain_mod  = noise_terrain_mod->result[index];
                NoiseParams *np = noise_terrain_river->np;
-               np->persist = noise_terrain_persist->result[index];
+               np.persist = noise_terrain_persist->result[index];
                float terrain_river = NoisePerlin2DNoTxfm(np, x, z, seed);
                float height = terrain_river * (1 - abs(terrain_mod)) *
-                                               noise_terrain_river->np->scale;
+                                               noise_terrain_river->np.scale;
                height = log(height * height); //log(h^3) is pretty interesting for terrain
 
                s16 y = heightmap[index];
@@ -396,11 +399,12 @@ void MapgenV7::carveRivers() {
 #endif
 
 
-int MapgenV7::generateTerrain() {
+int MapgenV7::generateTerrain()
+{
        int ymax = generateBaseTerrain();
 
        if (spflags & MGV7_MOUNTAINS)
-               generateMountainTerrain();
+               ymax = generateMountainTerrain(ymax);
 
        if (spflags & MGV7_RIDGES)
                generateRidgeTerrain();
@@ -409,7 +413,8 @@ int MapgenV7::generateTerrain() {
 }
 
 
-int MapgenV7::generateBaseTerrain() {
+int MapgenV7::generateBaseTerrain()
+{
        MapNode n_air(CONTENT_AIR);
        MapNode n_stone(c_stone);
        MapNode n_water(c_water_source);
@@ -447,9 +452,10 @@ int MapgenV7::generateBaseTerrain() {
 }
 
 
-void MapgenV7::generateMountainTerrain() {
+int MapgenV7::generateMountainTerrain(int ymax)
+{
        if (node_max.Y <= water_level)
-               return;
+               return ymax;
 
        MapNode n_stone(c_stone);
        u32 j = 0;
@@ -459,18 +465,26 @@ void MapgenV7::generateMountainTerrain() {
                u32 vi = vm->m_area.index(node_min.X, y, z);
                for (s16 x = node_min.X; x <= node_max.X; x++) {
                        int index = (z - node_min.Z) * csize.X + (x - node_min.X);
+                       content_t c = vm->m_data[vi].getContent();
 
-                       if (getMountainTerrainFromMap(j, index, y))
+                       if (getMountainTerrainFromMap(j, index, y)
+                                       && (c == CONTENT_AIR || c == c_water_source)) {
                                vm->m_data[vi] = n_stone;
+                               if (y > ymax)
+                                       ymax = y;
+                       }
 
                        vi++;
                        j++;
                }
        }
+
+       return ymax;
 }
 
 
-void MapgenV7::generateRidgeTerrain() {
+void MapgenV7::generateRidgeTerrain()
+{
        MapNode n_water(c_water_source);
        MapNode n_air(CONTENT_AIR);
        u32 index = 0;
@@ -511,7 +525,8 @@ void MapgenV7::generateRidgeTerrain() {
 }
 
 
-void MapgenV7::generateBiomes() {
+void MapgenV7::generateBiomes()
+{
        if (node_max.Y < water_level)
                return;
 
@@ -524,10 +539,12 @@ void MapgenV7::generateBiomes() {
 
        for (s16 z = node_min.Z; z <= node_max.Z; z++)
        for (s16 x = node_min.X; x <= node_max.X; x++, index++) {
-               Biome *biome  = (Biome *)bmgr->get(biomemap[index]);
-               s16 dfiller   = biome->depth_filler + noise_filler_depth->result[index];
-               s16 y0_top    = biome->depth_top;
-               s16 y0_filler = biome->depth_top + dfiller;
+               Biome *biome        = (Biome *)bmgr->get(biomemap[index]);
+               s16 dfiller         = biome->depth_filler + noise_filler_depth->result[index];
+               s16 y0_top          = biome->depth_top;
+               s16 y0_filler       = biome->depth_top + dfiller;
+               s16 shore_max       = water_level + biome->height_shore;
+               s16 depth_water_top = biome->depth_water_top;
 
                s16 nplaced = 0;
                u32 i = vm->m_area.index(x, node_max.Y, z);
@@ -554,12 +571,19 @@ void MapgenV7::generateBiomes() {
                                if (c_below != CONTENT_AIR) {
                                        if (nplaced < y0_top) {
                                                if(y < water_level)
-                                                       vm->m_data[i] = MapNode(biome->c_filler);
+                                                       vm->m_data[i] = MapNode(biome->c_underwater);
+                                               else if(y <= shore_max)
+                                                       vm->m_data[i] = MapNode(biome->c_shore_top);
                                                else
                                                        vm->m_data[i] = MapNode(biome->c_top);
                                                nplaced++;
                                        } else if (nplaced < y0_filler && nplaced >= y0_top) {
-                                               vm->m_data[i] = MapNode(biome->c_filler);
+                                               if(y < water_level)
+                                                       vm->m_data[i] = MapNode(biome->c_underwater);
+                                               else if(y <= shore_max)
+                                                       vm->m_data[i] = MapNode(biome->c_shore_filler);
+                                               else
+                                                       vm->m_data[i] = MapNode(biome->c_filler);
                                                nplaced++;
                                        } else if (c == c_stone) {
                                                have_air = false;
@@ -581,7 +605,10 @@ void MapgenV7::generateBiomes() {
                        } else if (c == c_water_source) {
                                have_air = true;
                                nplaced = 0;
-                               vm->m_data[i] = MapNode(biome->c_water);
+                               if(y > water_level - depth_water_top)
+                                       vm->m_data[i] = MapNode(biome->c_water_top);
+                               else
+                                       vm->m_data[i] = MapNode(biome->c_water);
                        } else if (c == CONTENT_AIR) {
                                have_air = true;
                                nplaced = 0;
@@ -593,7 +620,8 @@ void MapgenV7::generateBiomes() {
 }
 
 
-void MapgenV7::dustTopNodes() {
+void MapgenV7::dustTopNodes()
+{
        v3s16 em = vm->m_area.getExtent();
        u32 index = 0;
 
@@ -617,12 +645,7 @@ void MapgenV7::dustTopNodes() {
                }
 
                content_t c = vm->m_data[vi].getContent();
-               if (c == biome->c_water && biome->c_dust_water != CONTENT_IGNORE) {
-                       if (y < node_min.Y)
-                               continue;
-
-                       vm->m_data[vi] = MapNode(biome->c_dust_water);
-               } else if (!ndef->get(c).buildable_to && c != CONTENT_IGNORE) {
+               if (!ndef->get(c).buildable_to && c != CONTENT_IGNORE) {
                        if (y == node_max.Y)
                                continue;
 
@@ -634,7 +657,8 @@ void MapgenV7::dustTopNodes() {
 
 
 #if 0
-void MapgenV7::addTopNodes() {
+void MapgenV7::addTopNodes()
+{
        v3s16 em = vm->m_area.getExtent();
        s16 ntopnodes;
        u32 index = 0;
@@ -728,9 +752,10 @@ void MapgenV7::addTopNodes() {
 #endif
 
 
-NoiseParams nparams_v7_def_cave(6, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50);
+NoiseParams nparams_v7_def_cave(6, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50, 2.0);
 
-void MapgenV7::generateCaves(int max_stone_y) {
+void MapgenV7::generateCaves(int max_stone_y)
+{
        PseudoRandom ps(blockseed + 21343);
 
        int volume_nodes = (node_max.X - node_min.X + 1) *