Move files to subdirectories (#6599)

* Move files around

src/mapgen/mg_decoration.h

@@ -0,0 +1,136 @@
+/*
+Minetest
+Copyright (C) 2014-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+Copyright (C) 2015-2017 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
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include <unordered_set>
+#include "objdef.h"
+#include "noise.h"
+#include "nodedef.h"
+
+class Mapgen;
+class MMVManip;
+class PcgRandom;
+class Schematic;
+
+enum DecorationType {
+	DECO_SIMPLE,
+	DECO_SCHEMATIC,
+	DECO_LSYSTEM
+};
+
+#define DECO_PLACE_CENTER_X  0x01
+#define DECO_PLACE_CENTER_Y  0x02
+#define DECO_PLACE_CENTER_Z  0x04
+#define DECO_USE_NOISE       0x08
+#define DECO_FORCE_PLACEMENT 0x10
+#define DECO_LIQUID_SURFACE  0x20
+#define DECO_ALL_FLOORS      0x40
+#define DECO_ALL_CEILINGS    0x80
+
+extern FlagDesc flagdesc_deco[];
+
+
+class Decoration : public ObjDef, public NodeResolver {
+public:
+	Decoration() = default;
+	virtual ~Decoration() = default;
+
+	virtual void resolveNodeNames();
+
+	bool canPlaceDecoration(MMVManip *vm, v3s16 p);
+	size_t placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+
+	virtual size_t generate(MMVManip *vm, PcgRandom *pr, v3s16 p, bool ceiling) = 0;
+
+	u32 flags = 0;
+	int mapseed = 0;
+	std::vector<content_t> c_place_on;
+	s16 sidelen = 1;
+	s16 y_min;
+	s16 y_max;
+	float fill_ratio = 0.0f;
+	NoiseParams np;
+	std::vector<content_t> c_spawnby;
+	s16 nspawnby;
+	s16 place_offset_y = 0;
+
+	std::unordered_set<u8> biomes;
+};
+
+
+class DecoSimple : public Decoration {
+public:
+	virtual void resolveNodeNames();
+	virtual size_t generate(MMVManip *vm, PcgRandom *pr, v3s16 p, bool ceiling);
+
+	std::vector<content_t> c_decos;
+	s16 deco_height;
+	s16 deco_height_max;
+	u8 deco_param2;
+	u8 deco_param2_max;
+};
+
+
+class DecoSchematic : public Decoration {
+public:
+	DecoSchematic() = default;
+
+	virtual size_t generate(MMVManip *vm, PcgRandom *pr, v3s16 p, bool ceiling);
+
+	Rotation rotation;
+	Schematic *schematic = nullptr;
+};
+
+
+/*
+class DecoLSystem : public Decoration {
+public:
+	virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
+*/
+
+
+class DecorationManager : public ObjDefManager {
+public:
+	DecorationManager(IGameDef *gamedef);
+	virtual ~DecorationManager() = default;
+
+	const char *getObjectTitle() const
+	{
+		return "decoration";
+	}
+
+	static Decoration *create(DecorationType type)
+	{
+		switch (type) {
+		case DECO_SIMPLE:
+			return new DecoSimple;
+		case DECO_SCHEMATIC:
+			return new DecoSchematic;
+		//case DECO_LSYSTEM:
+		//	return new DecoLSystem;
+		default:
+			return NULL;
+		}
+	}
+
+	size_t placeAllDecos(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+};