mirror of
https://github.com/Zelda64Recomp/Zelda64Recomp
synced 2025-10-06 00:22:39 +02:00
c27300e6c8
* Fix float value used to calculate clock angle to prevent overshooting every hour * Change addressing mode on title card rect to prevent wrapping on the left edge when HD textures are in use * Center the moon fall countdown timer
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
#include "patches.h"
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#include "misc_funcs.h"
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#include "transform_ids.h"
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#include "loadfragment.h"
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#include "libc/math.h"
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void Main_ClearMemory(void* begin, void* end);
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void Main_InitMemory(void);
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void Main_InitScreen(void);
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RECOMP_DECLARE_EVENT(recomp_on_init());
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// @recomp Patched to load the code segment in the recomp runtime.
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RECOMP_PATCH void Main_Init(void) {
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DmaRequest dmaReq;
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OSMesgQueue mq;
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OSMesg msg[1];
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size_t prevSize;
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// @recomp Register base actor extensions.
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register_base_actor_extensions();
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// @recomp_event recomp_on_init(): Allow mods to initialize themselves once.
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recomp_on_init();
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osCreateMesgQueue(&mq, msg, ARRAY_COUNT(msg));
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prevSize = gDmaMgrDmaBuffSize;
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gDmaMgrDmaBuffSize = 0;
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// @recomp Load the code segment in the recomp runtime.
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recomp_load_overlays(SEGMENT_ROM_START(code), SEGMENT_START(code), SEGMENT_ROM_END(code) - SEGMENT_ROM_START(code));
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DmaMgr_SendRequestImpl(&dmaReq, SEGMENT_START(code), SEGMENT_ROM_START(code),
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SEGMENT_ROM_END(code) - SEGMENT_ROM_START(code), 0, &mq, NULL);
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Main_InitScreen();
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Main_InitMemory();
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osRecvMesg(&mq, NULL, OS_MESG_BLOCK);
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gDmaMgrDmaBuffSize = prevSize;
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Main_ClearMemory(SEGMENT_BSS_START(code), SEGMENT_BSS_END(code));
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// @recomp Patch a float that's used to render the clock into the correct value.
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// This is done this way instead of patching the function to avoid conflicts with mods that need to patch the function.
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// The original code is `Matrix_RotateZF(-(timeInSeconds * 0.0175f) / 10.0f, MTXMODE_APPLY);`, where 0.0175f is being used
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// to convert degrees to radians. However, the correct value is PI/180 which is approximately 0.0174533f, and the difference is enough
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// to cause the clock to overshoot when reaching an hour mark.
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*(f32*)0x801DDBBC = ((f32)M_PI) / 180.0f;
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}
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void Overlay_Relocate(void* allocatedRamAddr, OverlayRelocationSection* ovlRelocs, uintptr_t vramStart);
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// @recomp Patched to load the overlay in the recomp runtime.
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RECOMP_PATCH size_t Overlay_Load(uintptr_t vromStart, uintptr_t vromEnd, void* ramStart, void* ramEnd, void* allocatedRamAddr) {
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uintptr_t vramStart = (uintptr_t)ramStart;
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uintptr_t vramEnd = (uintptr_t)ramEnd;
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s32 size = vromEnd - vromStart;
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uintptr_t end;
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OverlayRelocationSection* ovlRelocs;
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// @recomp Load the overlay in the recomp runtime.
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recomp_load_overlays(vromStart, allocatedRamAddr, vromEnd - vromStart);
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if (gOverlayLogSeverity >= 3) {}
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if (gOverlayLogSeverity >= 3) {}
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end = (uintptr_t)allocatedRamAddr + size;
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DmaMgr_SendRequest0(allocatedRamAddr, vromStart, size);
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ovlRelocs = (OverlayRelocationSection*)(end - ((s32*)end)[-1]);
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if (gOverlayLogSeverity >= 3) {}
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if (gOverlayLogSeverity >= 3) {}
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Overlay_Relocate(allocatedRamAddr, ovlRelocs, vramStart);
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if (ovlRelocs->bssSize != 0) {
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if (gOverlayLogSeverity >= 3) {}
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bzero((void*)end, ovlRelocs->bssSize);
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}
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size = vramEnd - vramStart;
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osWritebackDCache(allocatedRamAddr, size);
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osInvalICache(allocatedRamAddr, size);
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if (gOverlayLogSeverity >= 3) {}
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return size;
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}
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