ref: 0cc01d0968f47593885846ac23878a89df22ba32
dir: /src/ft2_header.h/
#pragma once #include <SDL2/SDL.h> #include <stdint.h> #include <stdbool.h> #include <assert.h> #ifdef _WIN32 #define WIN32_MEAN_AND_LEAN #include <windows.h> #else #include <limits.h> // also has PATH_MAX #endif #include "ft2_replayer.h" #define PROG_VER_STR "1.47" // do NOT change these! It will only mess things up... #define FT2_VBLANK_HZ 70 #define SCREEN_W 632 #define SCREEN_H 400 /* "60Hz" ranges everywhere from 59..61Hz depending on the monitor, so with ** no vsync we will get stuttering because the rate is not perfect... */ #define VBLANK_HZ 60 // 70Hz (FT2 vblank) delta -> 60Hz vblank delta (rounded) #define SCALE_VBLANK_DELTA(x) (int32_t)(((x) * ((double)VBLANK_HZ / FT2_VBLANK_HZ)) + 0.5) // scopes must be clocked slightly higher than the nominal vblank rate #define SCOPE_HZ 64 /* Amount of extra bytes to allocate for every instrument sample, ** this is used for a hack for resampling interpolation to be ** branchless in the inner channel mixer loop. ** Warning: Do not change this! */ #define SMP_DAT_OFFSET 32 #define SAMPLE_PAD_LENGTH (SMP_DAT_OFFSET+32) #ifndef _WIN32 #define _stricmp strcasecmp #define _strnicmp strncasecmp #define DIR_DELIMITER '/' #else #define DIR_DELIMITER '\\' #define PATH_MAX MAX_PATH #endif #define SGN(x) (((x) >= 0) ? 1 : -1) #define ABS(a) (((a) < 0) ? -(a) : (a)) #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) #define DROUND(x) \ if (x < 0.0) x -= 0.5; \ else if (x > 0.0) x += 0.5 #define FROUND(x) \ if (x < 0.0f) x -= 0.5f; \ else if (x > 0.0f) x += 0.5f // fast 32-bit -> 8-bit clamp #define CLAMP8(i) if ((int8_t)(i) != i) i = 0x7F ^ (i >> 31) // fast 32-bit -> 16-bit clamp #define CLAMP16(i) if ((int16_t)(i) != i) i = 0x7FFF ^ (i >> 31) #define ALIGN_PTR(p, x) (((uintptr_t)(p) + ((x)-1)) & ~((x)-1)) #define MALLOC_PAD(size, pad) (malloc((size) + (pad))) #define SWAP16(x) \ ( \ (((uint16_t)((x) & 0x00FF)) << 8) | \ (((uint16_t)((x) & 0xFF00)) >> 8) \ ) #define SWAP32(x) \ ( \ (((uint32_t)((x) & 0x000000FF)) << 24) | \ (((uint32_t)((x) & 0x0000FF00)) << 8) | \ (((uint32_t)((x) & 0x00FF0000)) >> 8) | \ (((uint32_t)((x) & 0xFF000000)) >> 24) \ ) #define SWAP64(x) \ ( \ (((x) << 56) & 0xFF00000000000000ULL) | \ (((x) << 40) & 0x00FF000000000000ULL) | \ (((x) << 24) & 0x0000FF0000000000ULL) | \ (((x) << 8) & 0x000000FF00000000ULL) | \ (((x) >> 8) & 0x00000000FF000000ULL) | \ (((x) >> 24) & 0x0000000000FF0000ULL) | \ (((x) >> 40) & 0x000000000000FF00ULL) | \ (((x) >> 56) & 0x00000000000000FFULL) \ ) typedef struct smpPtr_t { int8_t *origPtr, *ptr; } smpPtr_t;