#ifndef _MACROS_H_
#define _MACROS_H_

#define true 1
#define false 0

// Avoid compiler warnings for unused variables
#ifdef __GNUC__
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif

#ifndef __sgi
#define GLOBAL_ASM(...)
#endif

#ifdef _LANGUAGE_C
#define HW_REG(reg, type) *(volatile type*)((reg) | 0xA0000000)
#endif

#define assert

#define ARRAY_COUNT(arr) (s32)(sizeof(arr) / sizeof(arr[0]))

#define SQ(x) ((x) * (x))

// cast thru uintptr_t for integer to pointer casts
#define INT2VOID(i) ((void *)(uintptr_t)(i))

#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 240

#define ALIGN4(val) (((val) + 0x3) & ~0x3)
#define ALIGN8(val) (((val) + 0x7) & ~0x7)
#define ALIGN16(val) (((val) + 0xF) & ~0xF)
#define ALIGN64(val) (((val) + 0x3F) & ~0x3F)

#define DECR(x) ((x) == 0 ? 0 : --(x))

//! checks min first
#define CLAMP(x, min, max) ((x) < (min) ? (min) : (x) > (max) ? (max) : (x))
//! checks max first
#define CLAMP_ALT(x, min, max) ((x) > (max) ? (max) : (x) < (min) ? (min) : (x))
#define CLAMP_MAX(x, max) ((x) > (max) ? (max) : (x))
#define CLAMP_MIN(x, min) ((x) < (min) ? (min) : (x))

#define ROUND_MAX(x) (((x) > 0.0f ? 0.5f : -0.5f) + (x))

#define ABS(x) ((x) >= 0 ? (x) : -(x))
#define ABS_ALT(x) ((x) < 0 ? -(x) : (x))

#endif