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Gericom
2025-11-22 17:21:45 +01:00
commit 5d6f67c612
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32
arm9/source/themes/custom/CustomSubBackground.cpp Normal file
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#include "common.h"
#include <string.h>
#include <nds/arm9/background.h>
#include "../ITheme.h"
#include "CustomSubBackground.h"
void CustomSubBackground::VBlank()
{
REG_DISPCNT_SUB = (REG_DISPCNT_SUB & ~0xF) | 5 | (4 << 8);
REG_BG2CNT_SUB = BG_BMP16_256x256 | BG_PRIORITY_3 | BG_COLOR_16 | BG_MAP_BASE(2);
REG_BG2HOFS_SUB = 0;
REG_BG2VOFS_SUB = 0;
REG_BG2X_SUB = 0;
REG_BG2Y_SUB = 0;
REG_BG2PA_SUB = 256;
REG_BG2PB_SUB = 0;
REG_BG2PC_SUB = 0;
REG_BG2PD_SUB = 256;
}
void CustomSubBackground::LoadResources(const ITheme& theme, const VramContext& vramContext)
{
auto tmpBuf = std::unique_ptr<u8[]>(new(cache_align) u8[256 * 192 * 2]);
const auto file = std::make_unique<File>();
if (theme.OpenThemeFile(*file, "topbg.bin"))
{
u32 bytesRead = 0;
file->Read(tmpBuf.get(), 256 * 192 * 2, bytesRead);
memcpy((u8*)BG_GFX_SUB + 0x8000, tmpBuf.get(), 256 * 192 * 2);
file->Close();
}
}