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Fixed main_bg_se_copy_rect(), exposed it, and used it in a few places

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MeirGavish
2025-07-13 20:41:40 +03:00
parent 90f8e47229
commit f34444b3db
3 changed files with 83 additions and 40 deletions
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source/graphic_utils.c
+13 -13
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@@ -4,7 +4,7 @@
#include "graphic_utils.h"
const Rect FULL_SCREENBLOCK_RECT = { 0, 0, SE_ROW_LEN, SE_COL_LEN };
const Rect FULL_SCREENBLOCK_RECT = { 0, 0, SE_ROW_LEN, SE_COL_LEN }; // TODO: LEN - 1 ...
// Clips a rect of screenblock entries to a specified rect
static void clip_se_rect_to_bounding_rect(Rect* rect, const Rect* bounding_rect)
@@ -33,7 +33,7 @@ void main_bg_se_clear_rect(Rect se_rect)
for (int y = se_rect.top; y < se_rect.bottom; y++)
{
memset16(&(se_mem[MAIN_BG_SBB][se_rect.left + SE_ROW_LEN * y]), 0x0000, se_rect.right - se_rect.left + 1);
memset16(&(se_mem[MAIN_BG_SBB][se_rect.left + SE_ROW_LEN * y]), 0x0000, rect_width(&se_rect));
}
}
@@ -58,33 +58,33 @@ void main_bg_se_copy_rect_1_tile_vert(Rect se_rect, int direction)
{
memcpy16(&se_mem[MAIN_BG_SBB][se_rect.left + SE_ROW_LEN * (y + direction)],
&se_mem[MAIN_BG_SBB][se_rect.left + SE_ROW_LEN * y],
se_rect.right - se_rect.left + 1);
rect_width(&se_rect));
}
if (direction == SE_DOWN)
{
memset16(&se_mem[MAIN_BG_SBB][se_rect.left + SE_ROW_LEN * (end)], 0x0000, se_rect.right - se_rect.left + 1); // This clears the top row when going down, or the bottom row when going up.
memset16(&se_mem[MAIN_BG_SBB][se_rect.left + SE_ROW_LEN * (end)], 0x0000, rect_width(&se_rect)); // This clears the top row when going down, or the bottom row when going up.
}
}
void main_bg_se_copy_rect(Rect rect_from, Rect rect_to)
void main_bg_se_copy_rect(Rect rect_to, Rect rect_from)
{
if (rect_from.left > rect_from.right
|| rect_from.top < rect_from.bottom
|| rect_from.top > rect_from.bottom
|| rect_to.left > rect_to.right
|| rect_from.top < rect_from.bottom
|| rect_from.top > rect_from.bottom
// Check equal dimensions
|| rect_from.bottom - rect_from.top != rect_to.bottom - rect_to.top
|| rect_from.left - rect_from.right != rect_to.left - rect_to.right)
|| rect_width(&rect_from) != rect_width(&rect_to)
|| rect_height(&rect_from) != rect_height(&rect_to))
{
return;
}
for (int y = rect_from.top; y < rect_from.bottom; y++)
for (int y = 0; y < rect_height(&rect_from); y++)
{
memcpy16(&(se_mem[MAIN_BG_SBB][rect_to.left + SE_ROW_LEN * y]),
&(se_mem[MAIN_BG_SBB][rect_from.left + SE_ROW_LEN * y]),
rect_from.right - rect_from.left + 1);
memcpy16(&(se_mem[MAIN_BG_SBB][rect_to.left + SE_ROW_LEN * (rect_to.top + y)]),
&(se_mem[MAIN_BG_SBB][rect_from.left + SE_ROW_LEN * (rect_from.top + y)]),
rect_width(&rect_from));
}
}