618 lines
10 KiB
C++
618 lines
10 KiB
C++
/*
|
|
(c) 2010 Perttu Ahola <celeron55@gmail.com>
|
|
*/
|
|
|
|
#ifndef UTILITY_HEADER
|
|
#define UTILITY_HEADER
|
|
|
|
#include "common_irrlicht.h"
|
|
#include "debug.h"
|
|
#include "strfnd.h"
|
|
#include <iostream>
|
|
#include <string>
|
|
|
|
extern const v3s16 g_26dirs[26];
|
|
|
|
inline void writeU32(u8 *data, u32 i)
|
|
{
|
|
data[0] = ((i>>24)&0xff);
|
|
data[1] = ((i>>16)&0xff);
|
|
data[2] = ((i>> 8)&0xff);
|
|
data[3] = ((i>> 0)&0xff);
|
|
}
|
|
|
|
inline void writeU16(u8 *data, u16 i)
|
|
{
|
|
data[0] = ((i>> 8)&0xff);
|
|
data[1] = ((i>> 0)&0xff);
|
|
}
|
|
|
|
inline void writeU8(u8 *data, u8 i)
|
|
{
|
|
data[0] = ((i>> 0)&0xff);
|
|
}
|
|
|
|
inline u32 readU32(u8 *data)
|
|
{
|
|
return (data[0]<<24) | (data[1]<<16) | (data[2]<<8) | (data[3]<<0);
|
|
}
|
|
|
|
inline u16 readU16(u8 *data)
|
|
{
|
|
return (data[0]<<8) | (data[1]<<0);
|
|
}
|
|
|
|
inline u8 readU8(u8 *data)
|
|
{
|
|
return (data[0]<<0);
|
|
}
|
|
|
|
// Signed variants of the above
|
|
|
|
inline void writeS32(u8 *data, s32 i){
|
|
writeU32(data, (u32)i);
|
|
}
|
|
inline s32 readS32(u8 *data){
|
|
return (s32)readU32(data);
|
|
}
|
|
|
|
inline void writeS16(u8 *data, s16 i){
|
|
writeU16(data, (u16)i);
|
|
}
|
|
inline s16 readS16(u8 *data){
|
|
return (s16)readU16(data);
|
|
}
|
|
|
|
inline void writeV3S32(u8 *data, v3s32 p)
|
|
{
|
|
writeS32(&data[0], p.X);
|
|
writeS32(&data[4], p.Y);
|
|
writeS32(&data[8], p.Z);
|
|
}
|
|
|
|
inline v3s32 readV3S32(u8 *data)
|
|
{
|
|
v3s32 p;
|
|
p.X = readS32(&data[0]);
|
|
p.Y = readS32(&data[4]);
|
|
p.Z = readS32(&data[8]);
|
|
return p;
|
|
}
|
|
|
|
inline void writeV2S16(u8 *data, v2s16 p)
|
|
{
|
|
writeS16(&data[0], p.X);
|
|
writeS16(&data[2], p.Y);
|
|
}
|
|
|
|
inline v2s16 readV2S16(u8 *data)
|
|
{
|
|
v2s16 p;
|
|
p.X = readS16(&data[0]);
|
|
p.Y = readS16(&data[2]);
|
|
return p;
|
|
}
|
|
|
|
inline void writeV2S32(u8 *data, v2s32 p)
|
|
{
|
|
writeS32(&data[0], p.X);
|
|
writeS32(&data[2], p.Y);
|
|
}
|
|
|
|
inline v2s32 readV2S32(u8 *data)
|
|
{
|
|
v2s32 p;
|
|
p.X = readS32(&data[0]);
|
|
p.Y = readS32(&data[2]);
|
|
return p;
|
|
}
|
|
|
|
inline void writeV3S16(u8 *data, v3s16 p)
|
|
{
|
|
writeS16(&data[0], p.X);
|
|
writeS16(&data[2], p.Y);
|
|
writeS16(&data[4], p.Z);
|
|
}
|
|
|
|
inline v3s16 readV3S16(u8 *data)
|
|
{
|
|
v3s16 p;
|
|
p.X = readS16(&data[0]);
|
|
p.Y = readS16(&data[2]);
|
|
p.Z = readS16(&data[4]);
|
|
return p;
|
|
}
|
|
|
|
/*
|
|
None of these are used at the moment
|
|
*/
|
|
|
|
template <typename T>
|
|
class SharedPtr
|
|
{
|
|
public:
|
|
SharedPtr(T *t=NULL)
|
|
{
|
|
refcount = new int;
|
|
*refcount = 1;
|
|
ptr = t;
|
|
}
|
|
SharedPtr(SharedPtr<T> &t)
|
|
{
|
|
//*this = t;
|
|
drop();
|
|
refcount = t.refcount;
|
|
(*refcount)++;
|
|
ptr = t.ptr;
|
|
}
|
|
~SharedPtr()
|
|
{
|
|
drop();
|
|
}
|
|
SharedPtr<T> & operator=(T *t)
|
|
{
|
|
drop();
|
|
refcount = new int;
|
|
*refcount = 1;
|
|
ptr = t;
|
|
return *this;
|
|
}
|
|
SharedPtr<T> & operator=(SharedPtr<T> &t)
|
|
{
|
|
drop();
|
|
refcount = t.refcount;
|
|
(*refcount)++;
|
|
ptr = t.ptr;
|
|
return *this;
|
|
}
|
|
T* operator->()
|
|
{
|
|
return ptr;
|
|
}
|
|
T & operator*()
|
|
{
|
|
return *ptr;
|
|
}
|
|
bool operator!=(T *t)
|
|
{
|
|
return ptr != t;
|
|
}
|
|
bool operator==(T *t)
|
|
{
|
|
return ptr == t;
|
|
}
|
|
private:
|
|
void drop()
|
|
{
|
|
assert((*refcount) > 0);
|
|
(*refcount)--;
|
|
if(*refcount == 0)
|
|
{
|
|
delete refcount;
|
|
if(ptr != NULL)
|
|
delete ptr;
|
|
}
|
|
}
|
|
T *ptr;
|
|
int *refcount;
|
|
};
|
|
|
|
template <typename T>
|
|
class Buffer
|
|
{
|
|
public:
|
|
Buffer(unsigned int size)
|
|
{
|
|
m_size = size;
|
|
data = new T[size];
|
|
}
|
|
Buffer(const Buffer &buffer)
|
|
{
|
|
m_size = buffer.m_size;
|
|
data = new T[buffer.m_size];
|
|
memcpy(data, buffer.data, buffer.m_size);
|
|
}
|
|
Buffer(T *t, unsigned int size)
|
|
{
|
|
m_size = size;
|
|
data = new T[size];
|
|
memcpy(data, t, size);
|
|
}
|
|
~Buffer()
|
|
{
|
|
delete[] data;
|
|
}
|
|
T & operator[](unsigned int i) const
|
|
{
|
|
return data[i];
|
|
}
|
|
T * operator*() const
|
|
{
|
|
return data;
|
|
}
|
|
unsigned int getSize() const
|
|
{
|
|
return m_size;
|
|
}
|
|
private:
|
|
T *data;
|
|
unsigned int m_size;
|
|
};
|
|
|
|
template <typename T>
|
|
class SharedBuffer
|
|
{
|
|
public:
|
|
SharedBuffer(unsigned int size)
|
|
{
|
|
m_size = size;
|
|
data = new T[size];
|
|
refcount = new unsigned int;
|
|
(*refcount) = 1;
|
|
}
|
|
SharedBuffer(const SharedBuffer &buffer)
|
|
{
|
|
//std::cout<<"SharedBuffer(const SharedBuffer &buffer)"<<std::endl;
|
|
m_size = buffer.m_size;
|
|
data = buffer.data;
|
|
refcount = buffer.refcount;
|
|
(*refcount)++;
|
|
}
|
|
SharedBuffer & operator=(const SharedBuffer & buffer)
|
|
{
|
|
//std::cout<<"SharedBuffer & operator=(const SharedBuffer & buffer)"<<std::endl;
|
|
if(this == &buffer)
|
|
return *this;
|
|
drop();
|
|
m_size = buffer.m_size;
|
|
data = buffer.data;
|
|
refcount = buffer.refcount;
|
|
(*refcount)++;
|
|
return *this;
|
|
}
|
|
/*
|
|
Copies whole buffer
|
|
*/
|
|
SharedBuffer(T *t, unsigned int size)
|
|
{
|
|
m_size = size;
|
|
data = new T[size];
|
|
memcpy(data, t, size);
|
|
refcount = new unsigned int;
|
|
(*refcount) = 1;
|
|
}
|
|
/*
|
|
Copies whole buffer
|
|
*/
|
|
SharedBuffer(const Buffer<T> &buffer)
|
|
{
|
|
m_size = buffer.m_size;
|
|
data = new T[buffer.getSize()];
|
|
memcpy(data, *buffer, buffer.getSize());
|
|
refcount = new unsigned int;
|
|
(*refcount) = 1;
|
|
}
|
|
~SharedBuffer()
|
|
{
|
|
drop();
|
|
}
|
|
T & operator[](unsigned int i) const
|
|
{
|
|
return data[i];
|
|
}
|
|
T * operator*() const
|
|
{
|
|
return data;
|
|
}
|
|
unsigned int getSize() const
|
|
{
|
|
return m_size;
|
|
}
|
|
private:
|
|
void drop()
|
|
{
|
|
assert((*refcount) > 0);
|
|
(*refcount)--;
|
|
if(*refcount == 0)
|
|
{
|
|
delete[] data;
|
|
delete refcount;
|
|
}
|
|
}
|
|
T *data;
|
|
unsigned int m_size;
|
|
unsigned int *refcount;
|
|
};
|
|
|
|
inline SharedBuffer<u8> SharedBufferFromString(const char *string)
|
|
{
|
|
SharedBuffer<u8> b((u8*)string, strlen(string)+1);
|
|
return b;
|
|
}
|
|
|
|
template<typename T>
|
|
class MutexedVariable
|
|
{
|
|
public:
|
|
MutexedVariable(T value):
|
|
m_value(value)
|
|
{
|
|
m_mutex.Init();
|
|
}
|
|
|
|
T get()
|
|
{
|
|
JMutexAutoLock lock(m_mutex);
|
|
return m_value;
|
|
}
|
|
|
|
void set(T value)
|
|
{
|
|
JMutexAutoLock lock(m_mutex);
|
|
m_value = value;
|
|
}
|
|
|
|
// You'll want to grab this in a SharedPtr
|
|
JMutexAutoLock * getLock()
|
|
{
|
|
return new JMutexAutoLock(m_mutex);
|
|
}
|
|
|
|
// You pretty surely want to grab the lock when accessing this
|
|
T m_value;
|
|
|
|
private:
|
|
JMutex m_mutex;
|
|
};
|
|
|
|
/*
|
|
TimeTaker
|
|
*/
|
|
|
|
class TimeTaker
|
|
{
|
|
public:
|
|
TimeTaker(const char *name, IrrlichtDevice *dev)
|
|
{
|
|
m_name = name;
|
|
m_dev = dev;
|
|
m_time1 = m_dev->getTimer()->getRealTime();
|
|
m_running = true;
|
|
}
|
|
~TimeTaker()
|
|
{
|
|
stop();
|
|
}
|
|
u32 stop(bool quiet=false)
|
|
{
|
|
if(m_running)
|
|
{
|
|
u32 time2 = m_dev->getTimer()->getRealTime();
|
|
u32 dtime = time2 - m_time1;
|
|
if(quiet == false)
|
|
std::cout<<m_name<<" took "<<dtime<<"ms"<<std::endl;
|
|
m_running = false;
|
|
return dtime;
|
|
}
|
|
return 0;
|
|
}
|
|
private:
|
|
const char *m_name;
|
|
IrrlichtDevice *m_dev;
|
|
u32 m_time1;
|
|
bool m_running;
|
|
};
|
|
|
|
// Calculates the borders of a "d-radius" cube
|
|
inline void getFacePositions(core::list<v3s16> &list, u16 d)
|
|
{
|
|
if(d == 0)
|
|
{
|
|
list.push_back(v3s16(0,0,0));
|
|
return;
|
|
}
|
|
if(d == 1)
|
|
{
|
|
/*
|
|
This is an optimized sequence of coordinates.
|
|
*/
|
|
list.push_back(v3s16( 0, 0, 1)); // back
|
|
list.push_back(v3s16(-1, 0, 0)); // left
|
|
list.push_back(v3s16( 1, 0, 0)); // right
|
|
list.push_back(v3s16( 0, 0,-1)); // front
|
|
list.push_back(v3s16( 0,-1, 0)); // bottom
|
|
list.push_back(v3s16( 0, 1, 0)); // top
|
|
// 6
|
|
list.push_back(v3s16(-1, 0, 1)); // back left
|
|
list.push_back(v3s16( 1, 0, 1)); // back right
|
|
list.push_back(v3s16(-1, 0,-1)); // front left
|
|
list.push_back(v3s16( 1, 0,-1)); // front right
|
|
list.push_back(v3s16(-1,-1, 0)); // bottom left
|
|
list.push_back(v3s16( 1,-1, 0)); // bottom right
|
|
list.push_back(v3s16( 0,-1, 1)); // bottom back
|
|
list.push_back(v3s16( 0,-1,-1)); // bottom front
|
|
list.push_back(v3s16(-1, 1, 0)); // top left
|
|
list.push_back(v3s16( 1, 1, 0)); // top right
|
|
list.push_back(v3s16( 0, 1, 1)); // top back
|
|
list.push_back(v3s16( 0, 1,-1)); // top front
|
|
// 18
|
|
list.push_back(v3s16(-1, 1, 1)); // top back-left
|
|
list.push_back(v3s16( 1, 1, 1)); // top back-right
|
|
list.push_back(v3s16(-1, 1,-1)); // top front-left
|
|
list.push_back(v3s16( 1, 1,-1)); // top front-right
|
|
list.push_back(v3s16(-1,-1, 1)); // bottom back-left
|
|
list.push_back(v3s16( 1,-1, 1)); // bottom back-right
|
|
list.push_back(v3s16(-1,-1,-1)); // bottom front-left
|
|
list.push_back(v3s16( 1,-1,-1)); // bottom front-right
|
|
// 26
|
|
return;
|
|
}
|
|
|
|
// Take blocks in all sides, starting from y=0 and going +-y
|
|
for(s16 y=0; y<=d-1; y++)
|
|
{
|
|
// Left and right side, including borders
|
|
for(s16 z=-d; z<=d; z++)
|
|
{
|
|
list.push_back(v3s16(d,y,z));
|
|
list.push_back(v3s16(-d,y,z));
|
|
if(y != 0)
|
|
{
|
|
list.push_back(v3s16(d,-y,z));
|
|
list.push_back(v3s16(-d,-y,z));
|
|
}
|
|
}
|
|
// Back and front side, excluding borders
|
|
for(s16 x=-d+1; x<=d-1; x++)
|
|
{
|
|
list.push_back(v3s16(x,y,d));
|
|
list.push_back(v3s16(x,y,-d));
|
|
if(y != 0)
|
|
{
|
|
list.push_back(v3s16(x,-y,d));
|
|
list.push_back(v3s16(x,-y,-d));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Take the bottom and top face with borders
|
|
// -d<x<d, y=+-d, -d<z<d
|
|
for(s16 x=-d; x<=d; x++)
|
|
for(s16 z=-d; z<=d; z++)
|
|
{
|
|
list.push_back(v3s16(x,-d,z));
|
|
list.push_back(v3s16(x,d,z));
|
|
}
|
|
}
|
|
|
|
class IndentationRaiser
|
|
{
|
|
public:
|
|
IndentationRaiser(u16 *indentation)
|
|
{
|
|
m_indentation = indentation;
|
|
(*m_indentation)++;
|
|
}
|
|
~IndentationRaiser()
|
|
{
|
|
(*m_indentation)--;
|
|
}
|
|
private:
|
|
u16 *m_indentation;
|
|
};
|
|
|
|
inline s16 getContainerPos(s16 p, s16 d)
|
|
{
|
|
return (p>=0 ? p : p-d+1) / d;
|
|
}
|
|
|
|
inline v2s16 getContainerPos(v2s16 p, s16 d)
|
|
{
|
|
return v2s16(
|
|
getContainerPos(p.X, d),
|
|
getContainerPos(p.Y, d)
|
|
);
|
|
}
|
|
|
|
inline v3s16 getContainerPos(v3s16 p, s16 d)
|
|
{
|
|
return v3s16(
|
|
getContainerPos(p.X, d),
|
|
getContainerPos(p.Y, d),
|
|
getContainerPos(p.Z, d)
|
|
);
|
|
}
|
|
|
|
inline bool isInArea(v3s16 p, s16 d)
|
|
{
|
|
return (
|
|
p.X >= 0 && p.X < d &&
|
|
p.Y >= 0 && p.Y < d &&
|
|
p.Z >= 0 && p.Z < d
|
|
);
|
|
}
|
|
|
|
inline bool isInArea(v2s16 p, s16 d)
|
|
{
|
|
return (
|
|
p.X >= 0 && p.X < d &&
|
|
p.Y >= 0 && p.Y < d
|
|
);
|
|
}
|
|
|
|
inline std::wstring narrow_to_wide(const std::string& mbs)
|
|
{
|
|
size_t wcl = mbs.size();
|
|
SharedBuffer<wchar_t> wcs(wcl+1);
|
|
size_t l = mbstowcs(*wcs, mbs.c_str(), wcl);
|
|
wcs[l] = 0;
|
|
return *wcs;
|
|
}
|
|
|
|
inline std::string wide_to_narrow(const std::wstring& wcs)
|
|
{
|
|
size_t mbl = wcs.size()*4;
|
|
SharedBuffer<char> mbs(mbl+1);
|
|
size_t l = wcstombs(*mbs, wcs.c_str(), mbl);
|
|
if((int)l == -1)
|
|
mbs[0] = 0;
|
|
else
|
|
mbs[l] = 0;
|
|
return *mbs;
|
|
}
|
|
|
|
/*
|
|
See test.cpp for example cases.
|
|
wraps degrees to the range of -360...360
|
|
NOTE: Wrapping to 0...360 is not used because pitch needs negative values.
|
|
*/
|
|
inline float wrapDegrees(float f)
|
|
{
|
|
// Take examples of f=10, f=720.5, f=-0.5, f=-360.5
|
|
// This results in
|
|
// 10, 720, -1, -361
|
|
int i = floor(f);
|
|
// 0, 2, 0, -1
|
|
int l = i / 360;
|
|
// NOTE: This would be used for wrapping to 0...360
|
|
// 0, 2, -1, -2
|
|
/*if(i < 0)
|
|
l -= 1;*/
|
|
// 0, 720, 0, -360
|
|
int k = l * 360;
|
|
// 10, 0.5, -0.5, -0.5
|
|
f -= float(k);
|
|
return f;
|
|
}
|
|
|
|
inline std::string lowercase(std::string s)
|
|
{
|
|
for(size_t i=0; i<s.size(); i++)
|
|
{
|
|
if(s[i] >= 'A' && s[i] <= 'Z')
|
|
s[i] -= 'A' - 'a';
|
|
}
|
|
return s;
|
|
}
|
|
|
|
inline bool is_yes(std::string s)
|
|
{
|
|
s = lowercase(trim(s));
|
|
if(s == "y" || s == "yes" || s == "true")
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
inline s32 stoi(std::string s, s32 min, s32 max)
|
|
{
|
|
s32 i = atoi(s.c_str());
|
|
if(i < min)
|
|
i = min;
|
|
if(i > max)
|
|
i = max;
|
|
return i;
|
|
}
|
|
|
|
#endif
|
|
|