Small refactor - extracted helper functiosn for main_bg_se_copy_expand_3x3_rect()

This commit is contained in:
MeirGavish
2025-08-22 00:37:02 +03:00
parent 7f5ed5433f
commit 854c52464f
+44 -26
View File
@@ -159,6 +159,46 @@ void main_bg_se_fill_rect_with_se(SE se, Rect se_rect)
} }
} }
// Helper: Copy the corners of a 3x3 tile block
static void main_bg_se_expand_3x3_copy_corners(const Rect* se_dest_rect, const BG_POINT* src_top_left_pnt, int dest_rect_width, int dest_rect_height)
{
SE top_left_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y][src_top_left_pnt->x];
se_mat[MAIN_BG_SBB][se_dest_rect->top][se_dest_rect->left] = top_left_se;
SE top_right_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y][src_top_left_pnt->x + 2];
se_mat[MAIN_BG_SBB][se_dest_rect->top][se_dest_rect->left + dest_rect_width - 1] = top_right_se;
SE bottom_left_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y + 2][src_top_left_pnt->x];
se_mat[MAIN_BG_SBB][se_dest_rect->top + dest_rect_height - 1][se_dest_rect->left] = bottom_left_se;
SE bottom_right_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y + 2][src_top_left_pnt->x + 2];
se_mat[MAIN_BG_SBB][se_dest_rect->top + dest_rect_height - 1][se_dest_rect->left + dest_rect_width - 1] = bottom_right_se;
}
// Helper: Copy the top and bottom sides of a 3x3 tile block
static void main_bg_se_expand_3x3_copy_top_bottom(const Rect* se_dest_rect, const BG_POINT* src_top_left_pnt, int dest_rect_width)
{
if (dest_rect_width > 2)
{
SE top_middle_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y][src_top_left_pnt->x + 1];
SE bottom_middle_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y + 2][src_top_left_pnt->x + 1];
memset16(&se_mat[MAIN_BG_SBB][se_dest_rect->top][se_dest_rect->left + 1], top_middle_se, dest_rect_width - 2);
memset16(&se_mat[MAIN_BG_SBB][se_dest_rect->bottom][se_dest_rect->left + 1], bottom_middle_se, dest_rect_width - 2);
}
}
// Helper: Copy the left and right sides of a 3x3 tile block
static void main_bg_se_expand_3x3_copy_left_right(const Rect* se_dest_rect, const BG_POINT* src_top_left_pnt, int dest_rect_width, int dest_rect_height)
{
SE middle_left_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y + 1][src_top_left_pnt->x];
SE middle_right_se = se_mat[MAIN_BG_SBB][src_top_left_pnt->y + 1][src_top_left_pnt->x + 2];
for (int y = 1; y < dest_rect_height - 1; y++)
{
se_mat[MAIN_BG_SBB][se_dest_rect->top + y][se_dest_rect->left] = middle_left_se;
se_mat[MAIN_BG_SBB][se_dest_rect->top + y][se_dest_rect->left + dest_rect_width - 1] = middle_right_se;
}
}
void main_bg_se_copy_expand_3x3_rect(Rect se_dest_rect, BG_POINT src_top_left_pnt) void main_bg_se_copy_expand_3x3_rect(Rect se_dest_rect, BG_POINT src_top_left_pnt)
{ {
clip_se_rect_to_screenblock(&se_dest_rect); clip_se_rect_to_screenblock(&se_dest_rect);
@@ -173,43 +213,21 @@ void main_bg_se_copy_expand_3x3_rect(Rect se_dest_rect, BG_POINT src_top_left_pn
} }
// Copy the corners // Copy the corners
SE top_left_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y][src_top_left_pnt.x]; main_bg_se_expand_3x3_copy_corners(&se_dest_rect, &src_top_left_pnt, dest_rect_width, dest_rect_height);
se_mat[MAIN_BG_SBB][se_dest_rect.top][se_dest_rect.left] = top_left_se;
SE top_right_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y][src_top_left_pnt.x + 2];
se_mat[MAIN_BG_SBB][se_dest_rect.top][se_dest_rect.left + dest_rect_width - 1] = top_right_se;
SE bottom_left_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y + 2][src_top_left_pnt.x];
se_mat[MAIN_BG_SBB][se_dest_rect.top + dest_rect_height - 1][se_dest_rect.left] = bottom_left_se;
SE bottom_right_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y + 2][src_top_left_pnt.x + 2];
se_mat[MAIN_BG_SBB][se_dest_rect.top + dest_rect_height - 1][se_dest_rect.left + dest_rect_width - 1] = bottom_right_se;
// Copy top and bottom sides // Copy top and bottom sides
if (dest_rect_width > 2) main_bg_se_expand_3x3_copy_top_bottom(&se_dest_rect, &src_top_left_pnt, dest_rect_width);
{
SE top_middle_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y][src_top_left_pnt.x + 1];
SE bottom_middle_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y + 2][src_top_left_pnt.x + 1];
memset16(&se_mat[MAIN_BG_SBB][se_dest_rect.top][se_dest_rect.left + 1], top_middle_se, dest_rect_width - 2);
memset16(&se_mat[MAIN_BG_SBB][se_dest_rect.bottom][se_dest_rect.left + 1], bottom_middle_se, dest_rect_width - 2);
}
// Copy left and right sides // Copy left and right sides
SE middle_left_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y + 1][src_top_left_pnt.x]; main_bg_se_expand_3x3_copy_left_right(&se_dest_rect, &src_top_left_pnt, dest_rect_width, dest_rect_height);
SE middle_right_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y + 1][src_top_left_pnt.x + 2];
for (int y = 1; y < dest_rect_height - 1; y++)
{
se_mat[MAIN_BG_SBB][se_dest_rect.top + y][se_dest_rect.left] = middle_left_se;
se_mat[MAIN_BG_SBB][se_dest_rect.top + y][se_dest_rect.left + dest_rect_width - 1] = middle_right_se;
}
// Fill the center if needed
if (dest_rect_width > 2 && dest_rect_height > 2) if (dest_rect_width > 2 && dest_rect_height > 2)
{ {
SE middle_fill_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y + 1][src_top_left_pnt.x + 1]; SE middle_fill_se = se_mat[MAIN_BG_SBB][src_top_left_pnt.y + 1][src_top_left_pnt.x + 1];
Rect dest_inner_fill_rect = {se_dest_rect.left + 1, se_dest_rect.top + 1, se_dest_rect.right - 1, se_dest_rect.bottom - 1}; Rect dest_inner_fill_rect = {se_dest_rect.left + 1, se_dest_rect.top + 1, se_dest_rect.right - 1, se_dest_rect.bottom - 1};
main_bg_se_fill_rect_with_se(middle_fill_se, dest_inner_fill_rect); main_bg_se_fill_rect_with_se(middle_fill_se, dest_inner_fill_rect);
} }
} }
void tte_erase_rect_wrapper(Rect rect) void tte_erase_rect_wrapper(Rect rect)