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Double Size flag adjusts position in cell editor

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Garhoogin 2025-05-29 21:23:36 -05:00 committed by GitHub
parent 458f9c74f3
commit cf312a3353
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1 changed files with 20 additions and 0 deletions
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NitroPaint/ncerviewer.c
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@ -1970,9 +1970,29 @@ static void CellViewerToggleDoubleSizeSelection(NCERVIEWERDATA *data) {
NCER_CELL *cell = CellViewerGetCurrentCell(data); NCER_CELL *cell = CellViewerGetCurrentCell(data);
for (int i = 0; i < data->nSelectedOBJ; i++) { for (int i = 0; i < data->nSelectedOBJ; i++) {
uint16_t *pAttr0 = &cell->attr[3 * data->selectedOBJ[i] + 0]; uint16_t *pAttr0 = &cell->attr[3 * data->selectedOBJ[i] + 0];
uint16_t *pAttr1 = &cell->attr[3 * data->selectedOBJ[i] + 1];
if (!(*pAttr0 & 0x0100)) continue; //not affine (cannot be double size) if (!(*pAttr0 & 0x0100)) continue; //not affine (cannot be double size)
//toggle double size flag
*pAttr0 ^= 0x0200; *pAttr0 ^= 0x0200;
NCER_CELL_INFO info;
CellDecodeOamAttributes(&info, cell, i);
int dispX, dispY;
if (*pAttr0 & 0x0200) {
//setting double size: subtract
dispX = -info.width / 2;
dispY = -info.height / 2;
} else {
//unsetting: add correction
dispX = info.width / 2;
dispY = info.height / 2;
}
//displace position
*pAttr0 = (*pAttr0 & 0xFF00) | (((*pAttr0 & 0x00FF) + dispY) & 0x00FF);
*pAttr1 = (*pAttr1 & 0xFE00) | (((*pAttr1 & 0x01FF) + dispX) & 0x01FF);
} }
} }