From 210f3a12ee1d56750d593b4c404a0683f810aa3e Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Sat, 12 Sep 2026 19:04:22 +0200
Subject: ISurface overlay working: PTEx draw path, -Werror, menu states,
 bind-driven features

---
 src/hl2h.cpp | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 69 insertions(+), 5 deletions(-)

(limited to 'src/hl2h.cpp')

diff --git a/src/hl2h.cpp b/src/hl2h.cpp
index 0261ff2..a4a1a88 100644
--- a/src/hl2h.cpp
+++ b/src/hl2h.cpp
@@ -117,9 +117,20 @@ static void *entitylist_get(int idx) {
 
 
 static void do_move(int seq) {
+  static bool g_echo_sent = false;
   if (!g_input || !g_net.ok())
     return;
 
+  if (!g_echo_sent) {
+    g_echo_sent = true;
+    if (g_conmsg) {
+      g_conmsg("[hl2hake] succesfully loaded\n");
+      logf("console echo sent (first CreateMove)");
+    } else {
+      logf("g_conmsg is NULL — in-game console output unavailable");
+    }
+  }
+
   int localIdx = engine_get_local_player();
   if (localIdx <= 0 || localIdx > 64)
     return;
@@ -137,17 +148,16 @@ static void do_move(int seq) {
     return;
 
   uintptr_t e = (uintptr_t)ent;
-  uint8_t movetype = *(uint8_t *)(e + g_net.movetype);
   int flags = *(int *)(e + g_net.flags);
   bool onground = (flags & FL_ONGROUND) != 0;
   bool inwater = (flags & FL_INWATER) != 0;
 
-  if (movetype == MOVETYPE_NOCLIP || movetype == MOVETYPE_LADDER)
-    return;
+  bool climb_on = feature_active(FEAT_CLIMB); // bind held (or middle mouse when unbound)
+  bool bhop_on = feature_active(FEAT_BHOP);
 
   static bool lastground = false;
 
-  if (middle_mouse_down()) {
+  if (climb_on) {
     if (cmd->command_number % 2) {
       cmd->buttons &= ~IN_JUMP;
       cmd->buttons |= IN_USE;
@@ -156,7 +166,7 @@ static void do_move(int seq) {
       cmd->buttons |= IN_JUMP;
     }
     note_modified(cmd, flags, (float *)(e + g_net.velocity));
-  } else if (cmd->buttons & IN_JUMP) {
+  } else if (bhop_on && (cmd->buttons & IN_JUMP)) {
     if (inwater && (cmd->buttons & IN_DUCK)) {
       lastground = onground;
       return;
@@ -193,9 +203,63 @@ static void do_move(int seq) {
 using CreateMoveFn = bool (*)(void *, int, float, bool);
 static CreateMoveFn oCreateMove = nullptr;
 
+using DrawPrintTextFn = void (*)(void *self, const wchar_t *text, int len, int drawType);
+static DrawPrintTextFn oDrawPrintText = nullptr;
+using PaintTraverseExFn = void (*)(void *, long, bool);
+static PaintTraverseExFn oPaintTraverseEx = nullptr;
+static bool g_in_draw = false;
+
+// Hooked ISurface slot 22. The game calls this from a valid paint context;
+// our overlay draws are submitted through outer_draw() (menu.cpp), which
+// wraps them in PushMakeCurrent/PopMakeCurrent with the embedded panel.
+static void hkdDrawPrintText(void *self, const wchar_t *text, int len, int drawType) {
+  if (g_in_draw) {
+    oDrawPrintText(self, text, len, drawType);
+    return;
+  }
+  g_in_draw = true;
+  oDrawPrintText(self, text, len, drawType);
+  // fallback trigger: fires when the game draws text (menus). Primary draw
+  // path is the PaintTraverseEx hook (slot 114), which fires every frame.
+  outer_draw();
+  g_in_draw = false;
+}
+
+// PaintTraverseEx (slot 114, verified: IsVisible check + popups loop + "Too many
+// popups" assert). Fires every frame for the root panel — unlike DrawPrintText
+// (slot 22) which only fires when text is drawn, so it never fires in-world.
+static void hkdPaintTraverseEx(void *self, long panel, bool paintPopups) {
+  using Fn = void (*)(void *, long, bool);
+  ((Fn)oPaintTraverseEx)(self, panel, paintPopups);
+  if (!g_in_draw) {
+    g_in_draw = true;
+    outer_draw();
+    g_in_draw = false;
+  }
+}
+
 static bool hkdCreateMove(void *self, int seq, float frametime, bool active) {
   bool ret = oCreateMove(self, seq, frametime, active);
   do_move(seq);
+
+  // Hook ISurface once: PaintTraverseEx (slot 114) fires every frame; keep
+  // DrawPrintText (slot 22) hooked as a fallback text-draw trigger.
+  static int isurface_hooked = 0;
+  if (!isurface_hooked && g_surface) {
+    void **svt = VTABLE(g_surface);
+    constexpr size_t VT_SIZE = 256;
+    void **newsvt = new void *[VT_SIZE];
+    memcpy(newsvt, svt, VT_SIZE * sizeof(void *));
+    oDrawPrintText = (DrawPrintTextFn)svt[22];
+    newsvt[22] = (void *)&hkdDrawPrintText;
+    oPaintTraverseEx = (PaintTraverseExFn)svt[114];
+    newsvt[114] = (void *)&hkdPaintTraverseEx;
+    VTABLE(g_surface) = newsvt;
+    isurface_hooked = 1;
+    logf("ISurface hooked: DrawPrintText slot 22 orig=%p, PaintTraverseEx slot 114 orig=%p",
+         (void *)oDrawPrintText, (void *)oPaintTraverseEx);
+  }
+
   return ret;
 }
 
-- 
cgit v1.2.3