Move client-specific files to 'src/client' (#7902)

Update Android.mk
Remove 'src/client' from include_directories

src/client/content_mapblock.h

@@ -0,0 +1,178 @@
+/*
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+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 "nodedef.h"
+#include <IMeshManipulator.h>
+
+struct MeshMakeData;
+struct MeshCollector;
+
+struct LightPair {
+	u8 lightDay;
+	u8 lightNight;
+
+	LightPair() = default;
+	explicit LightPair(u16 value) : lightDay(value & 0xff), lightNight(value >> 8) {}
+	LightPair(u8 valueA, u8 valueB) : lightDay(valueA), lightNight(valueB) {}
+	LightPair(float valueA, float valueB) :
+		lightDay(core::clamp(core::round32(valueA), 0, 255)),
+		lightNight(core::clamp(core::round32(valueB), 0, 255)) {}
+	operator u16() const { return lightDay | lightNight << 8; }
+};
+
+struct LightInfo {
+	float light_day;
+	float light_night;
+	float light_boosted;
+
+	LightPair getPair(float sunlight_boost = 0.0) const
+	{
+		return LightPair(
+			(1 - sunlight_boost) * light_day
+			+ sunlight_boost * light_boosted,
+			light_night);
+	}
+};
+
+struct LightFrame {
+	f32 lightsDay[8];
+	f32 lightsNight[8];
+	bool sunlight[8];
+};
+
+class MapblockMeshGenerator
+{
+public:
+	MeshMakeData *data;
+	MeshCollector *collector;
+
+	const NodeDefManager *nodedef;
+	scene::IMeshManipulator *meshmanip;
+
+// options
+	bool enable_mesh_cache;
+
+// current node
+	v3s16 blockpos_nodes;
+	v3s16 p;
+	v3f origin;
+	MapNode n;
+	const ContentFeatures *f;
+	LightPair light;
+	LightFrame frame;
+	video::SColor color;
+	TileSpec tile;
+	float scale;
+
+// lighting
+	void getSmoothLightFrame();
+	LightInfo blendLight(const v3f &vertex_pos);
+	video::SColor blendLightColor(const v3f &vertex_pos);
+	video::SColor blendLightColor(const v3f &vertex_pos, const v3f &vertex_normal);
+
+	void useTile(int index = 0, u8 set_flags = MATERIAL_FLAG_CRACK_OVERLAY,
+		u8 reset_flags = 0, bool special = false);
+	void getTile(int index, TileSpec *tile);
+	void getTile(v3s16 direction, TileSpec *tile);
+	void getSpecialTile(int index, TileSpec *tile, bool apply_crack = false);
+
+// face drawing
+	void drawQuad(v3f *vertices, const v3s16 &normal = v3s16(0, 0, 0),
+		float vertical_tiling = 1.0);
+
+// cuboid drawing!
+	void drawCuboid(const aabb3f &box, TileSpec *tiles, int tilecount,
+		const LightInfo *lights , const f32 *txc);
+	void generateCuboidTextureCoords(aabb3f const &box, f32 *coords);
+	void drawAutoLightedCuboid(aabb3f box, const f32 *txc = NULL,
+		TileSpec *tiles = NULL, int tile_count = 0);
+
+// liquid-specific
+	bool top_is_same_liquid;
+	bool draw_liquid_bottom;
+	TileSpec tile_liquid;
+	TileSpec tile_liquid_top;
+	content_t c_flowing;
+	content_t c_source;
+	video::SColor color_liquid_top;
+	struct NeighborData {
+		f32 level;
+		content_t content;
+		bool is_same_liquid;
+		bool top_is_same_liquid;
+	};
+	NeighborData liquid_neighbors[3][3];
+	f32 corner_levels[2][2];
+
+	void prepareLiquidNodeDrawing();
+	void getLiquidNeighborhood();
+	void calculateCornerLevels();
+	f32 getCornerLevel(int i, int k);
+	void drawLiquidSides();
+	void drawLiquidTop();
+	void drawLiquidBottom();
+
+// raillike-specific
+	// name of the group that enables connecting to raillike nodes of different kind
+	static const std::string raillike_groupname;
+	int raillike_group;
+	bool isSameRail(v3s16 dir);
+
+// plantlike-specific
+	PlantlikeStyle draw_style;
+	v3f offset;
+	int rotate_degree;
+	bool random_offset_Y;
+	int face_num;
+	float plant_height;
+
+	void drawPlantlikeQuad(float rotation, float quad_offset = 0,
+		bool offset_top_only = false);
+	void drawPlantlike();
+
+// firelike-specific
+	void drawFirelikeQuad(float rotation, float opening_angle,
+		float offset_h, float offset_v = 0.0);
+
+// drawtypes
+	void drawLiquidNode();
+	void drawGlasslikeNode();
+	void drawGlasslikeFramedNode();
+	void drawAllfacesNode();
+	void drawTorchlikeNode();
+	void drawSignlikeNode();
+	void drawPlantlikeNode();
+	void drawPlantlikeRootedNode();
+	void drawFirelikeNode();
+	void drawFencelikeNode();
+	void drawRaillikeNode();
+	void drawNodeboxNode();
+	void drawMeshNode();
+
+// common
+	void errorUnknownDrawtype();
+	void drawNode();
+
+public:
+	MapblockMeshGenerator(MeshMakeData *input, MeshCollector *output);
+	void generate();
+	void renderSingle(content_t node);
+};