Mercurial > repos > blastem
diff io.c @ 1398:08116cb5ffaa
Fix absolute mouse mode when non-default overscan settings are used
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Wed, 14 Jun 2017 20:46:11 -0700 |
| parents | aca496957999 |
| children | 6a0e3bb6981f |
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--- a/io.c Wed Jun 14 09:48:46 2017 -0700 +++ b/io.c Wed Jun 14 20:46:11 2017 -0700 @@ -614,11 +614,14 @@ case MOUSE_NONE: break; case MOUSE_ABSOLUTE: { - float scale_x = 640.0 / ((float)render_width()); - float scale_y = 480.0 / ((float)render_height()); - float scale = scale_x > scale_y ? scale_y : scale_x; - mice[mouse].motion_port->device.mouse.cur_x = x * scale_x; - mice[mouse].motion_port->device.mouse.cur_y = y * scale_y; + float scale_x = (render_emulated_width() * 2.0f) / ((float)render_width()); + float scale_y = (render_emulated_height() * 2.0f) / ((float)render_height()); + int32_t adj_x = x * scale_x + 2 * render_overscan_left() - 2 * BORDER_LEFT; + int32_t adj_y = y * scale_y + 2 * render_overscan_top() - 4; + if (adj_x >= 0 && adj_y >= 0) { + mice[mouse].motion_port->device.mouse.cur_x = adj_x; + mice[mouse].motion_port->device.mouse.cur_y = adj_y; + } break; } case MOUSE_RELATIVE: {