minetestmapper/include/TileGenerator.h
2021-09-03 21:06:23 +02:00

165 lines
4.1 KiB
C++

#pragma once
#include <iostream>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <cstdint>
#include <string>
#include "PixelAttributes.h"
#include "Image.h"
#include "db.h"
#include "types.h"
class BlockDecoder;
class Image;
enum {
SCALE_TOP = (1 << 0),
SCALE_BOTTOM = (1 << 1),
SCALE_LEFT = (1 << 2),
SCALE_RIGHT = (1 << 3),
};
enum {
EXH_NEVER, // Always use range queries
EXH_Y, // Exhaustively search Y space, range queries for X/Z
EXH_FULL, // Exhaustively search entire requested geometry
EXH_AUTO, // Automatically pick one of the previous modes
};
struct ColorEntry {
ColorEntry() : r(0), g(0), b(0), a(0), t(0) {};
ColorEntry(uint8_t r, uint8_t g, uint8_t b, uint8_t a, uint8_t t) :
r(r), g(g), b(b), a(a), t(t) {};
inline Color toColor() const { return Color(r, g, b, a); }
uint8_t r, g, b, a; // Red, Green, Blue, Alpha
uint8_t t; // "thickness" value
};
struct BitmapThing { // 16x16 bitmap
inline void reset() {
for (int i = 0; i < 16; ++i)
val[i] = 0;
}
inline bool full() const {
for (int i = 0; i < 16; ++i) {
if (val[i] != 0xffff)
return false;
}
return true;
}
inline void set(unsigned int x, unsigned int z) {
val[z] |= (1 << x);
}
inline bool get(unsigned int x, unsigned int z) {
return !!(val[z] & (1 << x));
}
uint16_t val[16];
};
class TileGenerator
{
private:
typedef std::unordered_map<std::string, ColorEntry> ColorMap;
typedef std::unordered_set<std::string> NameSet;
public:
TileGenerator();
~TileGenerator();
void setBgColor(const std::string &bgColor);
void setScaleColor(const std::string &scaleColor);
void setOriginColor(const std::string &originColor);
void setPlayerColor(const std::string &playerColor);
void setDrawOrigin(bool drawOrigin);
void setDrawPlayers(bool drawPlayers);
void setDrawScale(bool drawScale);
void setDrawAlpha(bool drawAlpha);
void setShading(bool shading);
void setGeometry(int x, int y, int w, int h);
void setMinY(int y);
void setMaxY(int y);
void setExhaustiveSearch(int mode);
void parseColorsFile(const std::string &fileName);
void setBackend(std::string backend);
void setZoom(int zoom);
void setScales(uint flags);
void setDontWriteEmpty(bool f);
void generate(const std::string &input, const std::string &output);
void printGeometry(const std::string &input);
static std::set<std::string> getSupportedBackends();
private:
void parseColorsStream(std::istream &in);
void openDb(const std::string &input);
void closeDatabase();
void loadBlocks();
void createImage();
void renderMap();
void renderMapBlock(const BlockDecoder &blk, const BlockPos &pos);
void renderMapBlockBottom(const BlockPos &pos);
void renderShading(int zPos);
void renderScale();
void renderOrigin();
void renderPlayers(const std::string &inputPath);
void writeImage(const std::string &output);
void printUnknown();
void reportProgress(size_t count);
int getImageX(int val, bool absolute=false) const;
int getImageY(int val, bool absolute=false) const;
void setZoomed(int x, int y, Color color);
private:
Color m_bgColor;
Color m_scaleColor;
Color m_originColor;
Color m_playerColor;
bool m_drawOrigin;
bool m_drawPlayers;
bool m_drawScale;
bool m_drawAlpha;
bool m_shading;
bool m_dontWriteEmpty;
std::string m_backend;
int m_xBorder, m_yBorder;
DB *m_db;
Image *m_image;
PixelAttributes m_blockPixelAttributes;
/* smallest/largest seen X or Z block coordinate */
int m_xMin;
int m_xMax;
int m_zMin;
int m_zMax;
/* Y limits for rendered area (node units) */
int m_yMin;
int m_yMax;
/* limits for rendered area (block units) */
int16_t m_geomX;
int16_t m_geomY; /* Y in terms of rendered image, Z in the world */
int16_t m_geomX2;
int16_t m_geomY2;
int m_mapWidth;
int m_mapHeight;
int m_exhaustiveSearch;
std::map<int16_t, std::set<int16_t>> m_positions; /* indexed by Z, contains X coords */
ColorMap m_colorMap;
BitmapThing m_readPixels;
BitmapThing m_readInfo;
NameSet m_unknownNodes;
Color m_color[16][16];
uint8_t m_thickness[16][16];
int m_zoom;
uint m_scales;
size_t m_progressMax;
int m_progressLast; // percentage
}; // class TileGenerator