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tweak fallback solution for possible ClipCursor failure

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This commit is contained in:
FunkyFr3sh 2018-06-02 13:21:00 +02:00
parent ad07b46822
commit 1d83797a48
1 changed files with 17 additions and 23 deletions
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40
src/mouse.c
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@ -47,21 +47,35 @@ BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint)
{ {
//fallback solution for possible ClipCursor failure //fallback solution for possible ClipCursor failure
int diffx = 0, diffy = 0; int diffx = 0, diffy = 0;
int maxWidth = ddraw->adjmouse ? ddraw->render.viewport.width : ddraw->width;
int maxHeight = ddraw->adjmouse ? ddraw->render.viewport.height : ddraw->height;
if (pt.x < 0) if (pt.x < 0)
{ {
diffx = abs(pt.x); diffx = pt.x;
pt.x = 0; pt.x = 0;
} }
if (pt.y < 0) if (pt.y < 0)
{ {
diffy = abs(pt.y); diffy = pt.y;
pt.y = 0; pt.y = 0;
} }
if (pt.x > maxWidth)
{
diffx = pt.x - maxWidth;
pt.x = maxWidth;
}
if (pt.y > maxHeight)
{
diffy = pt.y - maxHeight;
pt.y = maxHeight;
}
if (diffx || diffy) if (diffx || diffy)
SetCursorPos(realpt.x + diffx, realpt.y + diffy); SetCursorPos(realpt.x - diffx, realpt.y - diffy);
if(ddraw->adjmouse) if(ddraw->adjmouse)
@ -75,26 +89,6 @@ BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint)
ddraw->cursor.y = pt.y; ddraw->cursor.y = pt.y;
} }
//fallback solution for possible ClipCursor failure
diffx = 0;
diffy = 0;
if (ddraw->cursor.x > ddraw->width)
{
diffx = ddraw->cursor.x - ddraw->width;
ddraw->cursor.x = ddraw->width;
}
if (ddraw->cursor.y > ddraw->height)
{
diffy = ddraw->cursor.y - ddraw->height;
ddraw->cursor.y = ddraw->height;
}
if (diffx || diffy)
SetCursorPos(realpt.x - diffx, realpt.y - diffy);
if (ddraw->vhack && (ddraw->iscnc1 || ddraw->isredalert) && ddraw->incutscene) if (ddraw->vhack && (ddraw->iscnc1 || ddraw->isredalert) && ddraw->incutscene)
{ {
diffx = 0; diffx = 0;