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devilution/2020_03_31/defs.h
PrisonOfMirrors b720183846 initial up
2020-11-28 18:24:54 -06:00

265 lines
6.4 KiB
C++

// some global definitions, found in debug release
#define DMAXX 40
#define DMAXY 40
#define LIGHTSIZE 6912 // 27 * 256
#define MAX_PLRS 4
#define MAX_CHARACTERS 10
#define MAX_LVLMTYPES 16
// #define MAX_PATH 260
#define MAX_SEND_STR_LEN 80
#define MAXDEAD 31
#define MAXDUNX 112
#define MAXDUNY 112
#define MAXITEMS 127
#define MAXLIGHTS 32
#define MAXMISSILES 125
#define MAXMONSTERS 200
#define MAXMULTIQUESTS 4
#define MAXOBJECTS 127
#define MAXPORTAL 4
#define MAXQUESTS 16
#define MAXTHEMES 50
#define MAXTILES 2048
#define MAXTRIGGERS 5
#define MAXVISION 32
#define MDMAXX 40
#define MDMAXY 40
// gmenu
#define MIN_SLIDER_TICKS 2
#define MAX_SLIDER_TICKS 0xFFF
// nthread
#define MIN_MSG_SIZE 128
//#define MAX_MSG_SIZE 512
// sound
#define VOLUME_MIN -1600
#define VOLUME_MAX 0
// todo: enums
#define NUM_INVLOC 7
#define NUM_SFX 858
#define NUMLEVELS 17
// from diablo 2 beta
#define MAXEXP 2000000000
#define PLR_NAME_LEN 32
// 256 kilobytes + 3 bytes (demo leftover) for file magic (262147)
// final game uses 4-byte magic instead of 3
#define FILEBUFF ((256*1024)+3)
// Diablo uses a 256 color palette
// Entry 0-127 (0x00-0x7F) are level specific
// Entry 128-255 (0x80-0xFF) are global
// standard palette for all levels
// 8 or 16 shades per color
// example (dark blue): PAL16_BLUE+14, PAL8_BLUE+7
// example (light red): PAL16_RED+2, PAL8_RED
// example (orange): PAL16_ORANGE+8, PAL8_ORANGE+4
#define PAL8_BLUE 128
#define PAL8_RED 136
#define PAL8_YELLOW 144
#define PAL8_ORANGE 152
#define PAL16_BEIGE 160
#define PAL16_BLUE 176
#define PAL16_YELLOW 192
#define PAL16_ORANGE 208
#define PAL16_RED 224
#define PAL16_GRAY 240
#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 480
// If defined, use 32-bit colors instead of 8-bit [Default -> Undefined]
//#define RGBMODE
#ifndef RGBMODE
#define SCREEN_BPP 8
#else
#define SCREEN_BPP 32
#endif
#define BORDER_LEFT 64
#define BORDER_TOP 160
#define BORDER_RIGHT 64
#define BORDER_BOTTOM 16
#define SCREEN_X BORDER_LEFT
#define SCREEN_Y BORDER_TOP
#define BUFFER_WIDTH (BORDER_LEFT + SCREEN_WIDTH + BORDER_RIGHT)
#define BUFFER_HEIGHT (BORDER_TOP + SCREEN_HEIGHT + BORDER_BOTTOM)
#define TILE_SIZE 32
#define SCREENXY(x, y) ((x) + SCREEN_X + ((y) + SCREEN_Y) * BUFFER_WIDTH)
// debug
// #define DiabLoad(f, s, h) LoadFileInMem(f, s, h, __LINE__, __FILE__)
#define DiabLoad(f, s, h) LoadFileInMem(f, s)
#define MemFreeDbg(p) \
{ \
void *p__p; \
p__p = p; \
p = NULL; \
mem_free_dbg(p__p); \
}
#undef assert
#ifndef _DEBUG
#define assert(exp) ((void)0)
#else
#define assert(exp) (void)( (exp) || (assert_fail(__LINE__, __FILE__, #exp), 0) )
#endif
/////////////////////////////////////////////////////////////////////////
/* temporary stuff from the decompiler */
/* remove all the garbage below in the future */
/////////////////////////////////////////////////////////////////////////
#ifndef IDA_GARBAGE
#define IDA_GARBAGE
__inline void memset32(void *s, unsigned int c, size_t n)
{
int i;
unsigned int *p = (unsigned int *)s;
for (i = 0; i < n; i++) {
p[i] = c;
}
}
typedef __int64 ll;
typedef unsigned __int64 ull;
typedef unsigned int uint;
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned long ulong;
typedef char int8;
typedef signed char sint8;
typedef unsigned char uint8;
typedef short int16;
typedef signed short sint16;
typedef unsigned short uint16;
typedef int int32;
typedef signed int sint32;
typedef unsigned int uint32;
typedef ll int64;
typedef ll sint64;
typedef ull uint64;
// Partially defined types. They are used when the decompiler does not know
// anything about the type except its size.
#define _BYTE uint8
#define _WORD uint16
#define _DWORD uint32
#define _QWORD uint64
// Some convenience macros to make partial accesses nicer
#define LAST_IND(x,part_type) (sizeof(x)/sizeof(part_type) - 1)
#if defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
# define LOW_IND(x,part_type) LAST_IND(x,part_type)
# define HIGH_IND(x,part_type) 0
#else
# define HIGH_IND(x,part_type) LAST_IND(x,part_type)
# define LOW_IND(x,part_type) 0
#endif
// first unsigned macros:
#define BYTEn(x, n) (*((_BYTE*)&(x)+n))
#define WORDn(x, n) (*((_WORD*)&(x)+n))
#define DWORDn(x, n) (*((_DWORD*)&(x)+n))
#define _LOBYTE(x) BYTEn(x,LOW_IND(x,_BYTE))
#define _LOWORD(x) WORDn(x,LOW_IND(x,_WORD))
#define LODWORD(x) DWORDn(x,LOW_IND(x,_DWORD))
#define _HIBYTE(x) BYTEn(x,HIGH_IND(x,_BYTE))
#define _HIWORD(x) WORDn(x,HIGH_IND(x,_WORD))
#define HIDWORD(x) DWORDn(x,HIGH_IND(x,_DWORD))
#define BYTE1(x) BYTEn(x, 1) // byte 1 (counting from 0)
#define BYTE2(x) BYTEn(x, 2)
// now signed macros (the same but with sign extension)
#define SBYTEn(x, n) (*((int8*)&(x)+n))
#define SWORDn(x, n) (*((int16*)&(x)+n))
#define SLOBYTE(x) SBYTEn(x,LOW_IND(x,int8))
#define SHIWORD(x) SWORDn(x,HIGH_IND(x,int16))
// Helper functions to represent some assembly instructions.
#ifdef __cplusplus
__inline void *qmemcpy(void *dst, const void *src, size_t cnt)
{
char *out = (char *)dst;
const char *in = (const char *)src;
while ( cnt > 0 )
{
*out++ = *in++;
--cnt;
}
return dst;
}
// sign flag
template<class T> int8 __SETS__(T x)
{
if ( sizeof(T) == 1 )
return int8(x) < 0;
if ( sizeof(T) == 2 )
return int16(x) < 0;
if ( sizeof(T) == 4 )
return int32(x) < 0;
return int64(x) < 0;
}
// overflow flag of subtraction (x-y)
template<class T, class U> int8 __OFSUB__(T x, U y)
{
if ( sizeof(T) < sizeof(U) )
{
U x2 = x;
int8 sx = __SETS__(x2);
return (sx ^ __SETS__(y)) & (sx ^ __SETS__(x2-y));
}
else
{
T y2 = y;
int8 sx = __SETS__(x);
return (sx ^ __SETS__(y2)) & (sx ^ __SETS__(x-y2));
}
}
#endif
#endif /* IDA_GARBAGE */
// Typedef for the function pointer
typedef void (*_PVFV)(void);
#if defined(_MSC_VER) && !defined(__APPLE__)
// Define our segment names
#define SEGMENT_C_INIT ".CRT$XCU"
// Build our various function tables and insert them into the correct segments.
#pragma data_seg(SEGMENT_C_INIT)
#pragma data_seg() // Switch back to the default segment
// Call function pointer arrays and place them in the segments created above
#define SEG_ALLOCATE(SEGMENT) __declspec(allocate(SEGMENT))
#else
#define SEG_ALLOCATE(SEGMENT)
#endif