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touch: inject mouse and poke into native touch modes (#815)

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## Link to GitHub Issue or related Pull Request, if one exists
Part 1 of many fixes for #814.

## Description of change
For the native touch hook - add code to inject synthetic touches using
Windows API (`InjectTouchInput`).

Note that this is Windows 8+ only, but we can make an assumption that we
are running on Win10+ for these games (TDJ/UFC/High Cheers) since the
cabs assume Win10.

Detect mouse events and allow IIDX poke to call into this to inject
synthetic touches.

Also, update the nativetouchhook to independently calculate window size
and rotation, instead of relying on rawinput layer.

## Testing
Tested to work with native touch option on IIDX, SDVX, POPN, all full
screen / windowed / sub on/off combinations.

Edge cases:

* sdvx main monitor rotated 270 deg
* touch invert option
* windowed mode resize / moved

All seem to work.
This commit is contained in:
bicarus
2026-07-21 00:04:38 -07:00
committed by GitHub
parent 558e3d0cb3
commit 623e1e3998
20 changed files with 954 additions and 143 deletions
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src/spice2x/misc/nativetouchhook.cpp
-122
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@@ -1,122 +0,0 @@
// enable touch functions - set version to windows 7
// mingw otherwise doesn't load touch stuff
#define _WIN32_WINNT 0x0601
#include "avs/game.h"
#include "wintouchemu.h"
#include "rawinput/touch.h"
#include "hooks/graphics/graphics.h"
#include "util/detour.h"
#include "util/logging.h"
#define TOUCH_SIMULATE_FAT_FINGERS 0
#define TOUCH_DEBUG_VERBOSE 0
#if TOUCH_DEBUG_VERBOSE
#define log_debug(module, format_str, ...) logger::push( \
LOG_FORMAT("M", module, format_str, ## __VA_ARGS__), logger::Style::GREY)
#else
#define log_debug(module, format_str, ...)
#endif
namespace nativetouchhook {
static decltype(GetTouchInputInfo) *GetTouchInputInfo_orig = nullptr;
static void strip_contact_size(PTOUCHINPUT point) {
#if TOUCH_SIMULATE_FAT_FINGERS
point->dwMask |= 0x004;
point->cxContact = 80 * 100;
point->cyContact = 60 * 100;
#endif
// most monitors do not set TOUCHEVENTFMASK_CONTACTAREA, but for
// monitors that do set it, IIDX can get very confused (SDVX is not
// affected)
//
// while the test menu and the touch "glow" seem to work properly,
// interacting with subscreen menu items or entering PIN becomes
// very unpredictable
//
// to fix this, simply remove the contact area width and height
//
// note: test menu > I/O > touch test gives 5 numbers:
// n: x, y, w, h
// where
// n is the nth touch input since boot
// x, y are coordinates (center of finger)
// w, h are contact width and height
//
// when TOUCHEVENTFMASK_CONTACTAREA is not set, w/h will
// automatically be seen as 1x1, which works perfectly fine
log_debug(
"touch::native",
"[{}, {}] dwMask = 0x{:x}, cxContact = {}, cyContact = {}",
point->x / 100,
point->y / 100,
point->dwMask,
point->cxContact,
point->cyContact);
point->dwMask &= ~(0x004ul); // clear TOUCHEVENTFMASK_CONTACTAREA
point->cxContact = 0;
point->cyContact = 0;
}
static void flip_touch_points(PTOUCHINPUT point) {
point->x = rawinput::touch::DISPLAY_SIZE_X * 100 - point->x;
point->y = rawinput::touch::DISPLAY_SIZE_Y * 100 - point->y;
}
static BOOL WINAPI GetTouchInputInfoHook(
HTOUCHINPUT hTouchInput, UINT cInputs, PTOUCHINPUT pInputs, int cbSize) {
// call the original fist
const auto result = GetTouchInputInfo_orig(hTouchInput, cInputs, pInputs, cbSize);
if (result == 0) {
return result;
}
bool flip_values = false;
if (avs::game::is_model("KFC") && rawinput::touch::DISPLAY_INITIALIZED) {
log_debug(
"touch::native", "DISPLAY_ORIENTATION = {}, DISPLAY_SIZE_X = {}, DISPLAY_SIZE_Y = {}",
rawinput::touch::DISPLAY_ORIENTATION,
rawinput::touch::DISPLAY_SIZE_X,
rawinput::touch::DISPLAY_SIZE_Y);
if (rawinput::touch::DISPLAY_ORIENTATION == DMDO_270) {
flip_values = true;
}
}
if (rawinput::touch::INVERTED) {
flip_values = !flip_values;
}
for (size_t i = 0; i < cInputs; i++) {
PTOUCHINPUT point = &pInputs[i];
if (avs::game::is_model("LDJ")) {
strip_contact_size(point);
}
if (flip_values) {
flip_touch_points(point);
}
}
return result;
}
void hook(HMODULE module) {
GetTouchInputInfo_orig = detour::iat_try("GetTouchInputInfo", GetTouchInputInfoHook, module);
if (GetTouchInputInfo_orig != nullptr) {
log_misc("touch::native", "GetTouchInputInfo hooked");
}
}
}
src/spice2x/misc/nativetouchhook.h
-6
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@@ -1,6 +0,0 @@
#include <windows.h>
namespace nativetouchhook {
void hook(HMODULE module);
}