raze/source/blood/src/common_game.h
2019-09-21 10:40:19 +02:00

649 lines
14 KiB
C++

//-------------------------------------------------------------------------
/*
Copyright (C) 2010-2019 EDuke32 developers and contributors
Copyright (C) 2019 Nuke.YKT
This file is part of NBlood.
NBlood is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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 General Public License for more details.
You should have received a copy of the GNU 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 "baselayer.h"
#include "build.h"
#include "cache1d.h"
#include "common.h"
#include "pragmas.h"
#include "misc.h"
#include "network.h"
extern int g_useCwd;
#ifndef APPNAME
#define APPNAME "NBlood"
#endif
#ifndef APPBASENAME
#define APPBASENAME "nblood"
#endif
#define BLOODWIDESCREENDEF "blood_widescreen.def"
#define BYTEVERSION 102
#define EXEVERSION 101
void _SetErrorLoc(const char *pzFile, int nLine);
void _ThrowError(const char *pzFormat, ...);
void __dassert(const char *pzExpr, const char *pzFile, int nLine);
void QuitGame(void);
#define ThrowError(...) \
{ \
_SetErrorLoc(__FILE__,__LINE__); \
_ThrowError(__VA_ARGS__); \
}
#define dassert(x) if (!(x)) __dassert(#x,__FILE__,__LINE__)
#define kMaxSectors MAXSECTORS
#define kMaxWalls MAXWALLS
#define kMaxSprites MAXSPRITES
#define kMaxTiles MAXTILES
#define kMaxStatus MAXSTATUS
#define kMaxPlayers 8
#define kMaxViewSprites maxspritesonscreen
#define kMaxVoxels MAXVOXELS
#define kTicRate 120
#define kTicsPerFrame 4
#define kTicsPerSec (kTicRate/kTicsPerFrame)
#define TILTBUFFER 4078
#define kExplodeMax 8
#define kDudeBase 200
#define kDudePlayer1 231
#define kDudePlayer8 238
#define kDudeMax 260
#define kMissileBase 300
#define kMissileMax 318
#define kThingBase 400
#define kThingMax 435
#define kMaxPowerUps 49
#define kStatRespawn 8
#define kStatMarker 10
#define kStatFree 1024
#define kLensSize 80
#define kViewEffectMax 19
#define kNoTile -1
// defined by NoOne:
// -------------------------------
#define kMaxPAL 5
#define kItemBase 100
#define kWeaponItemBase 40
#define kItemMax 149
// marker sprite types
#define kMarkerSPStart 1
#define kMarkerMPStart 2
#define kMarkerOff 3
#define kMarkerOn 4
#define kMarkerAxis 5
#define kMarkerLowLink 6
#define kMarkerUpLink 7
#define kMarkerWarpDest 8
#define kMarkerUpWater 9
#define kMarkerLowWater 10
#define kMarkerUpStack 11
#define kMarkerLowStack 12
#define kMarkerUpGoo 13
#define kMarkerLowGoo 14
#define kMarkerPath 15
// sprite attributes
#define kHitagMovePhys 0x0001 // affected by movement physics
#define kHitagGravityPhys 0x0002 // affected by gravity
#define kHitagFalling 0x0004 // currently in z-motion
#define kHitagAutoAim 0x0008
#define kHitagRespawn 0x0010
#define kHitagFree 0x0020
#define kHitagSmoke 0x0100
#define kHitagExtBit 0x8000 // NoOne's extension bit(Note: it's bit 0 in editor!)
// sector types
#define kSecBase 600
#define kSecZMotion kSectorBase
#define kSecZSprite 602
#define kSecWarp 603
#define kSecTeleport 604
#define kSecPath 612
#define kSecRotateStep 613
#define kSecSlideMarked 614
#define kSecRotateMarked 615
#define kSecSlide 616
#define kSecRotate 617
#define kSecDamage 618
#define kSecCounter 619
#define kSecMax 620
// sector cstat
#define kSecCParallax 0x01
#define kSecCSloped 0x02
#define kSecCSwapXY 0x04
#define kSecCExpand 0x08
#define kSecCFlipX 0x10
#define kSecCFlipY 0x20
#define kSecCFlipMask 0x34
#define kSecCRelAlign 0x40
#define kSecCFloorShade 0x8000
// switch types
#define kSwitchBase 20
#define kSwitchToggle 20
#define kSwitchOneWay 21
#define kSwitchCombo 22
#define kSwitchPadlock 23
#define kSwitchMax 24
// projectile types
#define kProjectileEctoSkull 307
// custom level end
#define kGDXChannelEndLevelCustom 6
// GDX types
#define kGDXTypeBase 24
#define kGDXCustomDudeSpawn 24
#define kGDXRandomTX 25
#define kGDXSequentialTX 26
#define kGDXSeqSpawner 27
#define kGDXObjPropertiesChanger 28
#define kGDXObjPicnumChanger 29
#define kGDXObjSizeChanger 31
#define kGDXDudeTargetChanger 33
#define kGDXSectorFXChanger 34
#define kGDXObjDataChanger 35
#define kGDXSpriteDamager 36
// 37 reserved
#define kGDXEffectSpawner 38
#define kGDXWindGenerator 39
#define kGDXThingTNTProx 433 // detects only players
#define kGDXThingThrowableRock 434 // does small damage if hits target
#define kGDXDudeUniversalCultist 254
#define kGDXGenDudeBurning 255
// ai state types
#define kAiStateOther -1
#define kAiStateIdle 0
#define kAiStateGenIdle 1
#define kAiStateMove 2
#define kAiStateSearch 3
#define kAiStateChase 4
#define kAiStateRecoil 5
#define kAng5 28
#define kAng15 85
#define kAng30 170
#define kAng45 256
#define kAng60 341
#define kAng90 512
#define kAng120 682
#define kAng180 1024
#define kAng360 2048
// -------------------------------
// NUKE-TODO:
#define OSDTEXT_DEFAULT "^00"
#define OSDTEXT_DARKRED "^00"
#define OSDTEXT_GREEN "^00"
#define OSDTEXT_RED "^00"
#define OSDTEXT_YELLOW "^00"
#define OSDTEXT_BRIGHT "^S0"
#define OSD_ERROR OSDTEXT_DARKRED OSDTEXT_BRIGHT
enum BLOOD_GLOBALFLAGS {
BLOOD_FORCE_WIDELOADSCREEN = 1<<0,
};
enum searchpathtypes_t {
SEARCHPATH_REMOVE = 1<<0,
};
extern char *g_grpNamePtr;
extern int loaddefinitions_game(const char *fn, int32_t preload);
extern void G_AddSearchPaths(void);
extern void G_CleanupSearchPaths(void);
extern void G_ExtPreInit(int32_t argc, char const * const * argv);
extern void G_ExtInit(void);
void G_LoadGroupsInDir(const char *dirname);
void G_DoAutoload(const char *dirname);
extern void G_LoadGroups(int32_t autoload);
extern void G_SetupGlobalPsky(void);
#define G_ModDirSnprintf(buf, size, basename, ...) \
(((g_modDir[0] != '/') ? Bsnprintf(buf, size, "%s/" basename, g_modDir, ##__VA_ARGS__) : Bsnprintf(buf, size, basename, ##__VA_ARGS__)) \
>= ((int32_t)size) - 1)
#define G_ModDirSnprintfLite(buf, size, basename) \
((g_modDir[0] != '/') ? Bsnprintf(buf, size, "%s/%s", g_modDir, basename) : Bsnprintf(buf, size, "%s", basename))
static inline void G_HandleAsync(void)
{
handleevents();
netGetPackets();
}
#if defined HAVE_FLAC || defined HAVE_VORBIS
# define FORMAT_UPGRADE_ELIGIBLE
extern int32_t S_OpenAudio(const char *fn, char searchfirst, uint8_t ismusic);
#else
# define S_OpenAudio(fn, searchfirst, ismusic) kopen4loadfrommod(fn, searchfirst)
#endif
#pragma pack(push,1)
#if 0
struct sectortype
{
short wallptr, wallnum;
int ceilingz, floorz;
unsigned short ceilingstat, floorstat;
short ceilingpicnum, ceilingheinum;
signed char ceilingshade;
char ceilingpal, ceilingxpanning, ceilingypanning;
short floorpicnum, floorheinum;
signed char floorshade;
char floorpal, floorxpanning, floorypanning;
char visibility, filler;
unsigned short lotag;
short hitag, extra;
};
struct walltype
{
int x, y;
short point2, nextwall, nextsector;
unsigned short cstat;
short picnum, overpicnum;
signed char shade;
char pal, xrepeat, yrepeat, xpanning, ypanning;
short lotag, hitag, extra;
};
struct spritetype
{
int x, y, z;
short cstat, picnum;
signed char shade;
char pal, clipdist, filler;
unsigned char xrepeat, yrepeat;
signed char xoffset, yoffset;
short sectnum, statnum;
short ang, owner, index, yvel, zvel;
short type, hitag, extra;
};
struct PICANM {
unsigned int animframes : 5;
unsigned int at0_5 : 1;
unsigned int animtype : 2;
signed int xoffset : 8;
signed int yoffset : 8;
unsigned int animspeed : 4;
unsigned int at3_4 : 3; // type
unsigned int at3_7 : 1; // filler
};
#endif
struct LOCATION {
int x, y, z;
int ang;
};
struct POINT2D {
int x, y;
};
struct POINT3D {
int x, y, z;
};
struct VECTOR2D {
int dx, dy;
};
struct Aim {
int dx, dy, dz;
};
#pragma pack(pop)
inline int ksgnf(float f)
{
if (f < 0)
return -1;
if (f > 0)
return 1;
return 0;
}
inline int IncBy(int a, int b)
{
a += b;
int q = a % b;
a -= q;
if (q < 0)
a -= b;
return a;
}
inline int DecBy(int a, int b)
{
a--;
int q = a % b;
a -= q;
if (q < 0)
a -= b;
return a;
}
#if 0
inline float IncByF(float a, float b)
{
a += b;
float q = fmod(a, b);
a -= q;
if (q < 0)
a -= b;
return a;
}
inline float DecByF(float a, float b)
{
//a--;
a -= fabs(b)*0.001;
float q = fmod(a, b);
a -= q;
if (q < 0)
a -= b;
return a;
}
#endif
inline int ClipLow(int a, int b)
{
if (a < b)
return b;
return a;
}
inline int ClipHigh(int a, int b)
{
if (a >= b)
return b;
return a;
}
inline int ClipRange(int a, int b, int c)
{
if (a < b)
return b;
if (a > c)
return c;
return a;
}
inline float ClipRangeF(float a, float b, float c)
{
if (a < b)
return b;
if (a > c)
return c;
return a;
}
inline int interpolate(int a, int b, int c)
{
return a+mulscale16(b-a,c);
}
inline int interpolateang(int a, int b, int c)
{
return a+mulscale16(((b-a+1024)&2047)-1024, c);
}
inline fix16_t interpolateangfix16(fix16_t a, fix16_t b, int c)
{
return a+mulscale16(((b-a+0x4000000)&0x7ffffff)-0x4000000, c);
}
inline char Chance(int a1)
{
return wrand() < (a1>>1);
}
inline unsigned int Random(int a1)
{
return mulscale(wrand(), a1, 15);
}
inline int Random2(int a1)
{
return mulscale(wrand(), a1, 14)-a1;
}
inline int Random3(int a1)
{
return mulscale(wrand()+wrand(), a1, 15) - a1;
}
inline unsigned int QRandom(int a1)
{
return mulscale(qrand(), a1, 15);
}
inline int QRandom2(int a1)
{
return mulscale(qrand(), a1, 14)-a1;
}
inline void SetBitString(char *pArray, int nIndex)
{
pArray[nIndex>>3] |= 1<<(nIndex&7);
}
inline void ClearBitString(char *pArray, int nIndex)
{
pArray[nIndex >> 3] &= ~(1 << (nIndex & 7));
}
inline char TestBitString(char *pArray, int nIndex)
{
return pArray[nIndex>>3] & (1<<(nIndex&7));
}
inline int scale(int a1, int a2, int a3, int a4, int a5)
{
return a4 + (a5-a4) * (a1-a2) / (a3-a2);
}
inline int mulscale16r(int a, int b)
{
int64_t acc = 1<<(16-1);
acc += ((int64_t)a) * b;
return (int)(acc>>16);
}
inline int mulscale30r(int a, int b)
{
int64_t acc = 1<<(30-1);
acc += ((int64_t)a) * b;
return (int)(acc>>30);
}
inline int dmulscale30r(int a, int b, int c, int d)
{
int64_t acc = 1<<(30-1);
acc += ((int64_t)a) * b;
acc += ((int64_t)c) * d;
return (int)(acc>>30);
}
inline int approxDist(int dx, int dy)
{
dx = klabs(dx);
dy = klabs(dy);
if (dx > dy)
dy = (3*dy)>>3;
else
dx = (3*dx)>>3;
return dx+dy;
}
class Rect {
public:
int x1, y1, x2, y2;
Rect(int _x1, int _y1, int _x2, int _y2)
{
x1 = _x1; y1 = _y1; x2 = _x2; y2 = _y2;
}
bool isValid(void) const
{
return x1 < x2 && y1 < y2;
}
char isEmpty(void) const
{
return !(x1 < x2 && y1 < y2);
}
bool operator!(void) const
{
return isEmpty();
}
Rect & operator&=(Rect &pOther)
{
x1 = ClipLow(x1, pOther.x1);
y1 = ClipLow(y1, pOther.y1);
x2 = ClipHigh(x2, pOther.x2);
y2 = ClipHigh(y2, pOther.y2);
return *this;
}
};
class BitReader {
public:
int nBitPos;
int nSize;
char *pBuffer;
BitReader(char *_pBuffer, int _nSize, int _nBitPos) { pBuffer = _pBuffer; nSize = _nSize; nBitPos = _nBitPos; nSize -= nBitPos>>3; }
BitReader(char *_pBuffer, int _nSize) { pBuffer = _pBuffer; nSize = _nSize; nBitPos = 0; }
int readBit()
{
if (nSize <= 0)
ThrowError("Buffer overflow");
int bit = ((*pBuffer)>>nBitPos)&1;
if (++nBitPos >= 8)
{
nBitPos = 0;
pBuffer++;
nSize--;
}
return bit;
}
void skipBits(int nBits)
{
nBitPos += nBits;
pBuffer += nBitPos>>3;
nSize -= nBitPos>>3;
nBitPos &= 7;
if ((nSize == 0 && nBitPos > 0) || nSize < 0)
ThrowError("Buffer overflow");
}
unsigned int readUnsigned(int nBits)
{
unsigned int n = 0;
dassert(nBits <= 32);
for (int i = 0; i < nBits; i++)
n += readBit()<<i;
return n;
}
int readSigned(int nBits)
{
dassert(nBits <= 32);
int n = (int)readUnsigned(nBits);
n <<= 32-nBits;
n >>= 32-nBits;
return n;
}
};
class BitWriter {
public:
int nBitPos;
int nSize;
char *pBuffer;
BitWriter(char *_pBuffer, int _nSize, int _nBitPos) { pBuffer = _pBuffer; nSize = _nSize; nBitPos = _nBitPos; memset(pBuffer, 0, nSize); nSize -= nBitPos>>3; }
BitWriter(char *_pBuffer, int _nSize) { pBuffer = _pBuffer; nSize = _nSize; nBitPos = 0; memset(pBuffer, 0, nSize); }
void writeBit(int bit)
{
if (nSize <= 0)
ThrowError("Buffer overflow");
*pBuffer |= bit<<nBitPos;
if (++nBitPos >= 8)
{
nBitPos = 0;
pBuffer++;
nSize--;
}
}
void skipBits(int nBits)
{
nBitPos += nBits;
pBuffer += nBitPos>>3;
nSize -= nBitPos>>3;
nBitPos &= 7;
if ((nSize == 0 && nBitPos > 0) || nSize < 0)
ThrowError("Buffer overflow");
}
void write(int nValue, int nBits)
{
dassert(nBits <= 32);
for (int i = 0; i < nBits; i++)
writeBit((nValue>>i)&1);
}
};