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nost: move nostalgia from wintouchemu to native touch hook (#827)

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## Link to GitHub Issue or related Pull Request, if one exists
#814

## Description of change
Switch over Nostalgia from wintouchemu to native touch hook.

Nostalgia has some strict timing requirements (touches must be updated
on every acio poll) so this takes a slightly different path to maintain
mouse holds.

Only a handful of consumers of wintouchemu remain:

1. beatstream - but it's off by default, only enabled as errata for
buggy touchscreens, or if the user forces it on (for Show Cursor)
2. gitadora single-window overlay - this is just for mouse so not a big
deal.
3. MFC HG mode - not a priority to fix.

## Testing
Tested full screen and windowed mode with touch / mouse / poke.
This commit is contained in:
bicarus
2026-07-22 00:56:03 -07:00
committed by GitHub
parent e2daefbb6a
commit 09ed8b948c
13 changed files with 270 additions and 128 deletions
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src/spice2x/touch/native/transform.cpp
+35 -1
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@@ -2,17 +2,47 @@
#include "hooks/graphics/graphics.h"
#include "overlay/overlay.h"
#include "settings.h"
#include "touch/touch.h"
namespace nativetouch::transform {
static bool game_client_to_screen(HWND window, POINT *position) {
RECT client_rect {};
if (window == nullptr ||
!GetClientRect(window, &client_rect) ||
client_rect.right <= 0 || client_rect.bottom <= 0 ||
!PtInRect(&client_rect, *position)) {
return false;
}
return ClientToScreen(window, position) != FALSE;
}
static bool screen_to_game_client(HWND window, POINT *position) {
RECT client_rect {};
if (window == nullptr ||
!GetClientRect(window, &client_rect) ||
client_rect.right <= 0 || client_rect.bottom <= 0 ||
!ScreenToClient(window, position) ||
!PtInRect(&client_rect, *position)) {
return false;
}
return true;
}
bool is_tdj_dedicated_subscreen(HWND window) {
return window != nullptr && GRAPHICS_WINDOWED && GRAPHICS_IIDX_WSUB &&
window == TDJ_SUBSCREEN_WINDOW;
}
// convert game touch coordinates to physical screen coordinates for dedicated subscreen injection
// convert game touch coordinates to Windows desktop coordinates
bool game_to_screen(HWND window, POINT *position) {
if (settings::SYNTHETIC_TOUCH_USES_CLIENT_COORDINATES) {
return game_client_to_screen(window, position);
}
if (!is_tdj_dedicated_subscreen(window)) {
return true;
}
@@ -54,6 +84,10 @@ namespace nativetouch::transform {
// convert physical screen coordinates to game touch coordinates for a known target
bool screen_to_game(HWND window, POINT *position) {
if (settings::SYNTHETIC_TOUCH_USES_CLIENT_COORDINATES) {
return screen_to_game_client(window, position);
}
// scale the resized IIDX subscreen client area into the game's touch-display coordinates
if (is_tdj_dedicated_subscreen(window)) {
RECT client_rect {};