mirror of https://github.com/zeldaret/mm.git
74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
#ifndef _MACROS_H_
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#define _MACROS_H_
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#include "convert.h"
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#define ARRAY_COUNT(arr) (s32)(sizeof(arr) / sizeof(arr[0]))
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#define ARRAY_COUNTU(arr) (u32)(sizeof(arr) / sizeof(arr[0]))
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#define HW_REG(reg, type) *(volatile type*)((reg) | 0xa0000000)
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// UB: u32 casts here should be uintptr_t casts.
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// TODO: After uintptr_t cast change should have an AVOID_UB target that just toggles the KSEG0 bit in the address rather than add/sub 0x80000000
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#define PHYSICAL_TO_VIRTUAL(addr) ((u32)(addr) + 0x80000000)
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#define PHYSICAL_TO_VIRTUAL2(addr) ((u32)(addr) - 0x80000000)
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#define VIRTUAL_TO_PHYSICAL(addr) (u32)((u8*)(addr) - 0x80000000)
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#define SEGMENTED_TO_VIRTUAL(addr) (void*)(PHYSICAL_TO_VIRTUAL(gSegments[SEGMENT_NUMBER(addr)]) + SEGMENT_OFFSET(addr))
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#define ALIGN16(val) (((val) + 0xF) & ~0xF)
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// Currently most often called ctxt in MM, TODO: Refactor names when its used
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#define ACTIVE_CAM globalCtx->cameraPtrs[globalCtx->activeCamera]
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#define SET_NEXT_GAMESTATE(curState, newInit, newStruct) \
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(curState)->nextGameStateInit = (GameStateFunc)newInit; \
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(curState)->nextGameStateSize = sizeof(newStruct);
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#define PLAYER ((ActorPlayer*)globalCtx->actorCtx.actorList[ACTORCAT_PLAYER].first)
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// linkAge still exists in MM, but is always set to 0 (always adult)
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// There are remnants of these macros from OOT, but they are essentially useless
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//#define LINK_IS_CHILD (gSaveContext.perm.linkAge != 0)
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#define LINK_IS_ADULT (gSaveContext.perm.linkAge == 0)
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#define SQ(x) ((x)*(x))
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#define DECR(x) ((x) == 0 ? 0 : ((x) -= 1))
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#define CHECK_BTN_ALL(state, combo) (~((state) | ~(combo)) == 0)
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#define CHECK_BTN_ANY(state, combo) (((state) & (combo)) != 0)
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extern GraphicsContext* __gfxCtx;
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#define WORK_DISP __gfxCtx->work.p
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#define POLY_OPA_DISP __gfxCtx->polyOpa.p
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#define POLY_XLU_DISP __gfxCtx->polyXlu.p
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#define OVERLAY_DISP __gfxCtx->overlay.p
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// __gfxCtx shouldn't be used directly.
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// Use the DISP macros defined above when writing to display buffers.
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#define OPEN_DISPS(gfxCtx) \
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{ \
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GraphicsContext* __gfxCtx = gfxCtx; \
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s32 __dispPad; \
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#define CLOSE_DISPS(gfxCtx) \
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} \
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(void)0
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#define GRAPH_ALLOC(gfxCtx, size) \
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((gfxCtx)->polyOpa.d = (Gfx*)((u8*)(gfxCtx)->polyOpa.d - (size)))
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#define ALIGN8(val) (((val) + 7) & ~7)
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#define ALIGN16(val) (((val) + 0xF) & ~0xF)
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#define SQ(x) ((x)*(x))
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#define ABS(x) ((x) >= 0 ? (x) : -(x))
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#define ABS_ALT(x) ((x) < 0 ? -(x) : (x))
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#define DECR(x) ((x) == 0 ? 0 : ((x) -= 1))
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#define CLAMP(x, min, max) ((x) < (min) ? (min) : (x) > (max) ? (max) : (x))
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#define CLAMP_MAX(x, max) ((x) > (max) ? (max) : (x))
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#define CLAMP_MIN(x, min) ((x) < (min) ? (min) : (x))
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#endif // _MACROS_H_
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