diff --git a/src/cavegen.cpp b/src/cavegen.cpp index e6e21be40..bc73b7206 100644 --- a/src/cavegen.cpp +++ b/src/cavegen.cpp @@ -27,9 +27,9 @@ with this program; if not, write to the Free Software Foundation, Inc., NoiseParams nparams_caveliquids(0, 1, v3f(150.0, 150.0, 150.0), 776, 3, 0.6, 2.0); - -///////////////////////////////////////// Caves V5 - +//// +//// CavesRandomWalk +//// CavesRandomWalk::CavesRandomWalk(Mapgen *mg, PseudoRandom *ps) { @@ -262,13 +262,10 @@ void CavesRandomWalk::carveRoute(v3f vec, float f, bool randomize_xz) int full_ymin = node_min.Y - MAP_BLOCKSIZE; int full_ymax = node_max.Y + MAP_BLOCKSIZE; - if (flooded && full_ymin < water_level && - full_ymax > water_level) - vm->m_data[i] = (p.Y <= water_level) ? - waternode : airnode; + if (flooded && full_ymin < water_level && full_ymax > water_level) + vm->m_data[i] = (p.Y <= water_level) ? waternode : airnode; else if (flooded && full_ymax < water_level) - vm->m_data[i] = (p.Y < startp.Y - 4) ? - liquidnode : airnode; + vm->m_data[i] = (p.Y < startp.Y - 4) ? liquidnode : airnode; else vm->m_data[i] = airnode; } @@ -281,23 +278,51 @@ void CavesRandomWalk::carveRoute(v3f vec, float f, bool randomize_xz) //// CavesV6 //// -CavesV6::CavesV6(MapgenV6 *mg, PseudoRandom *ps, PseudoRandom *ps2, - bool is_large_cave) +CavesV6::CavesV6(INodeDefManager *ndef, GenerateNotifier *gennotify, + int water_level, content_t water_source, content_t lava_source) { - this->mg = mg; - this->vm = mg->vm; - this->ndef = mg->ndef; - this->water_level = mg->water_level; - this->large_cave = is_large_cave; - this->ps = ps; - this->ps2 = ps2; - this->c_water_source = mg->c_water_source; - this->c_lava_source = mg->c_lava_source; + assert(ndef); + this->ndef = ndef; + this->gennotify = gennotify; + this->water_level = water_level; + + c_water_source = water_source; + if (c_water_source == CONTENT_IGNORE) + c_water_source = ndef->getId("mapgen_water_source"); + if (c_water_source == CONTENT_IGNORE) + c_water_source = CONTENT_AIR; + + c_lava_source = lava_source; + if (c_lava_source == CONTENT_IGNORE) + c_lava_source = ndef->getId("mapgen_lava_source"); + if (c_lava_source == CONTENT_IGNORE) + c_lava_source = CONTENT_AIR; +} + + +void CavesV6::makeCave(MMVManip *vm, v3s16 nmin, v3s16 nmax, + PseudoRandom *ps, PseudoRandom *ps2, + bool is_large_cave, int max_stone_height, s16 *heightmap) +{ + assert(vm); + assert(ps); + assert(ps2); + + this->vm = vm; + this->ps = ps; + this->ps2 = ps2; + this->node_min = nmin; + this->node_max = nmax; + this->heightmap = heightmap; + this->large_cave = is_large_cave; + + this->ystride = nmax.X - nmin.X + 1; + + // Set initial parameters from randomness min_tunnel_diameter = 2; max_tunnel_diameter = ps->range(2, 6); dswitchint = ps->range(1, 14); - if (large_cave) { part_max_length_rs = ps->range(2, 4); tunnel_routepoints = ps->range(5, ps->range(15, 30)); @@ -307,16 +332,8 @@ CavesV6::CavesV6(MapgenV6 *mg, PseudoRandom *ps, PseudoRandom *ps2, part_max_length_rs = ps->range(2, 9); tunnel_routepoints = ps->range(10, ps->range(15, 30)); } - large_cave_is_flat = (ps->range(0, 1) == 0); -} - -void CavesV6::makeCave(v3s16 nmin, v3s16 nmax, int max_stone_height) -{ - node_min = nmin; - node_max = nmax; - max_stone_y = max_stone_height; main_direction = v3f(0, 0, 0); // Allowed route area size in nodes @@ -334,7 +351,7 @@ void CavesV6::makeCave(v3s16 nmin, v3s16 nmax, int max_stone_height) route_y_min = 0; // Allow half a diameter + 7 over stone surface - route_y_max = -of.Y + max_stone_y + max_tunnel_diameter / 2 + 7; + route_y_max = -of.Y + max_stone_height + max_tunnel_diameter / 2 + 7; // Limit maximum to area route_y_max = rangelim(route_y_max, 0, ar.Y - 1); @@ -363,20 +380,24 @@ void CavesV6::makeCave(v3s16 nmin, v3s16 nmax, int max_stone_height) ); // Add generation notify begin event - v3s16 abs_pos(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z); - GenNotifyType notifytype = large_cave ? - GENNOTIFY_LARGECAVE_BEGIN : GENNOTIFY_CAVE_BEGIN; - mg->gennotify.addEvent(notifytype, abs_pos); + if (gennotify != NULL) { + v3s16 abs_pos(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z); + GenNotifyType notifytype = large_cave ? + GENNOTIFY_LARGECAVE_BEGIN : GENNOTIFY_CAVE_BEGIN; + gennotify->addEvent(notifytype, abs_pos); + } // Generate some tunnel starting from orp for (u16 j = 0; j < tunnel_routepoints; j++) makeTunnel(j % dswitchint == 0); // Add generation notify end event - abs_pos = v3s16(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z); - notifytype = large_cave ? - GENNOTIFY_LARGECAVE_END : GENNOTIFY_CAVE_END; - mg->gennotify.addEvent(notifytype, abs_pos); + if (gennotify != NULL) { + v3s16 abs_pos = v3s16(of.X + orp.X, of.Y + orp.Y, of.Z + orp.Z); + GenNotifyType notifytype = large_cave ? + GENNOTIFY_LARGECAVE_END : GENNOTIFY_CAVE_END; + gennotify->addEvent(notifytype, abs_pos); + } } @@ -438,9 +459,9 @@ void CavesV6::makeTunnel(bool dirswitch) v3s16 p1 = orpi + veci + of + rs / 2; if (p1.Z >= node_min.Z && p1.Z <= node_max.Z && p1.X >= node_min.X && p1.X <= node_max.X) { - u32 index1 = (p1.Z - node_min.Z) * mg->ystride + + u32 index1 = (p1.Z - node_min.Z) * ystride + (p1.X - node_min.X); - h1 = mg->heightmap[index1]; + h1 = heightmap[index1]; } else { h1 = water_level; // If not in heightmap } @@ -448,9 +469,9 @@ void CavesV6::makeTunnel(bool dirswitch) v3s16 p2 = orpi + of + rs / 2; if (p2.Z >= node_min.Z && p2.Z <= node_max.Z && p2.X >= node_min.X && p2.X <= node_max.X) { - u32 index2 = (p2.Z - node_min.Z) * mg->ystride + + u32 index2 = (p2.Z - node_min.Z) * ystride + (p2.X - node_min.X); - h2 = mg->heightmap[index2]; + h2 = heightmap[index2]; } else { h2 = water_level; } @@ -512,7 +533,7 @@ void CavesV6::carveRoute(v3f vec, float f, bool randomize_xz, fp.Z += 0.1 * ps->range(-10, 10); v3s16 cp(fp.X, fp.Y, fp.Z); - s16 d0 = -rs/2; + s16 d0 = -rs / 2; s16 d1 = d0 + rs; if (randomize_xz) { d0 += ps->range(-1, 1); @@ -550,11 +571,9 @@ void CavesV6::carveRoute(v3f vec, float f, bool randomize_xz, int full_ymax = node_max.Y + MAP_BLOCKSIZE; if (full_ymin < water_level && full_ymax > water_level) { - vm->m_data[i] = (p.Y <= water_level) ? - waternode : airnode; + vm->m_data[i] = (p.Y <= water_level) ? waternode : airnode; } else if (full_ymax < water_level) { - vm->m_data[i] = (p.Y < startp.Y - 2) ? - lavanode : airnode; + vm->m_data[i] = (p.Y < startp.Y - 2) ? lavanode : airnode; } else { vm->m_data[i] = airnode; } diff --git a/src/cavegen.h b/src/cavegen.h index b50455c1c..74cd0b416 100644 --- a/src/cavegen.h +++ b/src/cavegen.h @@ -23,13 +23,14 @@ with this program; if not, write to the Free Software Foundation, Inc., #define VMANIP_FLAG_CAVE VOXELFLAG_CHECKED1 #define DEFAULT_LAVA_DEPTH (-256) -class MapgenV6; +class GenerateNotifier; class CavesRandomWalk { public: Mapgen *mg; MMVManip *vm; INodeDefManager *ndef; + s16 *heightmap; // variables int lava_depth; @@ -64,7 +65,7 @@ public: content_t c_ice; int water_level; - int ystride; + u16 ystride; CavesRandomWalk(Mapgen *mg, PseudoRandom *ps); void makeCave(v3s16 nmin, v3s16 nmax, int max_stone_height); @@ -87,9 +88,18 @@ public: */ class CavesV6 { public: - MapgenV6 *mg; MMVManip *vm; INodeDefManager *ndef; + GenerateNotifier *gennotify; + PseudoRandom *ps; + PseudoRandom *ps2; + + s16 *heightmap; + content_t c_water_source; + content_t c_lava_source; + int water_level; + + u16 ystride; s16 min_tunnel_diameter; s16 max_tunnel_diameter; @@ -100,7 +110,6 @@ public: bool large_cave; bool large_cave_is_flat; - s16 max_stone_y; v3s16 node_min; v3s16 node_max; @@ -113,16 +122,22 @@ public: s16 route_y_min; s16 route_y_max; - PseudoRandom *ps; - PseudoRandom *ps2; + // ndef is a mandatory parameter. + // If gennotify is NULL, generation events are not logged. + CavesV6(INodeDefManager *ndef, + GenerateNotifier *gennotify = NULL, + int water_level = 1, + content_t water_source = CONTENT_IGNORE, + content_t lava_source = CONTENT_IGNORE); - content_t c_water_source; - content_t c_lava_source; + // vm, ps, and ps2 are mandatory parameters. + // If heightmap is NULL, the surface level at all points is assumed to + // be water_level. + void makeCave(MMVManip *vm, v3s16 nmin, v3s16 nmax, + PseudoRandom *ps, PseudoRandom *ps2, + bool is_large_cave, int max_stone_height, s16 *heightmap = NULL); - int water_level; - - CavesV6(MapgenV6 *mg, PseudoRandom *ps, PseudoRandom *ps2, bool large_cave); - void makeCave(v3s16 nmin, v3s16 nmax, int max_stone_height); +private: void makeTunnel(bool dirswitch); void carveRoute(v3f vec, float f, bool randomize_xz, bool tunnel_above_ground); }; diff --git a/src/mapgen_v6.cpp b/src/mapgen_v6.cpp index d143f12e9..65acfaf93 100644 --- a/src/mapgen_v6.cpp +++ b/src/mapgen_v6.cpp @@ -1066,9 +1066,10 @@ void MapgenV6::generateCaves(int max_stone_y) } for (u32 i = 0; i < caves_count + bruises_count; i++) { - bool large_cave = (i >= caves_count); - CavesV6 cave(this, &ps, &ps2, large_cave); + CavesV6 cave(ndef, &gennotify, water_level, c_water_source, c_lava_source); - cave.makeCave(node_min, node_max, max_stone_y); + bool large_cave = (i >= caves_count); + cave.makeCave(vm, node_min, node_max, &ps, &ps2, + large_cave, max_stone_y, heightmap); } }