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Decompiled window_zoom_in and window_zoom_out.

This commit is contained in:
hexdec 2014-08-11 22:58:40 +02:00
parent ce812fe403
commit befd430e59
1 changed files with 35 additions and 2 deletions
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37
src/window.c
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@ -909,7 +909,22 @@ void window_rotate_camera(rct_window *w)
*/
void window_zoom_in(rct_window *w)
{
RCT2_CALLPROC_X(0x006887A6, 0, 0, 0, 0, (int)w, 0, 0);
rct_viewport* v = w->viewport;
// Prevent zooming more than possible.
if (v->zoom <= 0) {
return;
}
v->zoom--;
v->view_width /= 2;
v->view_height /= 2;
w->saved_view_x += v->view_width >> 1;
w->saved_view_y += v->view_height >> 1;
RCT2_CALLPROC_X(0x006EB13A, 0, 0, 0, 0, (int)w, 0, 0);
}
/**
@ -918,7 +933,25 @@ void window_zoom_in(rct_window *w)
*/
void window_zoom_out(rct_window *w)
{
RCT2_CALLPROC_X(0x006887E0, 0, 0, 0, 0, (int)w, 0, 0);
rct_viewport* v = w->viewport;
// Prevent zooming more than possible.
if (v->zoom >= 3) {
return;
}
v->zoom++;
int width = v->view_width;
int height = v->view_height;
v->view_width *= 2;
v->view_height *= 2;
w->saved_view_x -= width / 2;
w->saved_view_y -= height >> 1;
RCT2_CALLPROC_X(0x006EB13A, 0, 0, 0, 0, (int)w, 0, 0);
}
/**