24 changes: 15 additions & 9 deletions src/mapgen/mapgen_carpathian.h
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@@ -1,8 +1,7 @@
/*
Minetest
Copyright (C) 2017-2018 vlapsley, Vaughan Lapsley <vlapsley@gmail.com>
Copyright (C) 2010-2018 paramat
Copyright (C) 2010-2018 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
Copyright (C) 2017-2019 vlapsley, Vaughan Lapsley <vlapsley@gmail.com>
Copyright (C) 2017-2019 paramat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
Expand All @@ -23,8 +22,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,

#include "mapgen.h"

///////// Mapgen Carpathian flags
#define MGCARPATHIAN_CAVERNS 0x01
#define MGCARPATHIAN_RIVERS 0x02

class BiomeManager;

Expand All @@ -34,6 +33,9 @@ extern FlagDesc flagdesc_mapgen_carpathian[];
struct MapgenCarpathianParams : public MapgenParams
{
float base_level = 12.0f;
float river_width = 0.05f;
float river_depth = 24.0f;
float valley_width = 0.25f;

u32 spflags = MGCARPATHIAN_CAVERNS;
float cave_width = 0.09f;
Expand All @@ -56,6 +58,7 @@ struct MapgenCarpathianParams : public MapgenParams
NoiseParams np_hills;
NoiseParams np_ridge_mnt;
NoiseParams np_step_mnt;
NoiseParams np_rivers;
NoiseParams np_mnt_var;
NoiseParams np_cave1;
NoiseParams np_cave2;
Expand All @@ -77,15 +80,14 @@ class MapgenCarpathian : public MapgenBasic

virtual MapgenType getType() const { return MAPGEN_CARPATHIAN; }

float getSteps(float noise);
inline float getLerp(float noise1, float noise2, float mod);

virtual void makeChunk(BlockMakeData *data);
int getSpawnLevelAtPoint(v2s16 p);

private:
float base_level;
s32 grad_wl;
float river_width;
float river_depth;
float valley_width;

s16 large_cave_depth;
s16 dungeon_ymin;
Expand All @@ -101,8 +103,12 @@ class MapgenCarpathian : public MapgenBasic
Noise *noise_hills;
Noise *noise_ridge_mnt;
Noise *noise_step_mnt;
Noise *noise_rivers = nullptr;
Noise *noise_mnt_var;

float terrainLevelAtPoint(s16 x, s16 z);
s32 grad_wl;

float getSteps(float noise);
inline float getLerp(float noise1, float noise2, float mod);
int generateTerrain();
};