WIP: SDL Keyboard and Mouse support

game_patch/CMakeLists.txt

@@ -101,8 +101,9 @@ set(SRCS
     graphics/d3d11/gr_d3d11_gamma.h
     graphics/d3d11/gr_d3d11_gamma.cpp
     input/input.h
-    input/mouse.h
+    input/input.cpp
     input/mouse.cpp
+    input/mouse.h
     input/key.cpp
     hud/hud_colors.cpp
     hud/hud_scale.cpp
@@ -334,4 +335,13 @@ target_link_libraries(AlpineFaction
     freetype
     stb_vorbis
     stb_image
+    SDL3::SDL3
 )
+
+if(WIN32)
+    target_link_libraries(AlpineFaction
+        setupapi
+        imm32
+        cfgmgr32
+    )
+endif()

game_patch/input/input.cpp

@@ -0,0 +1,28 @@
+#include <SDL3/SDL.h>
+#include "input.h"
+#include "mouse.h"
+#include "../os/os.h"
+
+void sdl_input_poll()
+{
+    if (!g_sdl_window) return;
+
+    SDL_Event ev;
+    while (SDL_PollEvent(&ev)) {
+        switch (ev.type) {
+        case SDL_EVENT_TEXT_INPUT:
+        case SDL_EVENT_KEY_DOWN:
+        case SDL_EVENT_KEY_UP:
+            process_keyboard_event(ev);
+            break;
+        case SDL_EVENT_MOUSE_MOTION:
+        case SDL_EVENT_MOUSE_BUTTON_DOWN:
+        case SDL_EVENT_MOUSE_BUTTON_UP:
+        case SDL_EVENT_MOUSE_WHEEL:
+            process_mouse_event(ev);
+            break;
+        default:
+            break;
+        }
+    }
+}

game_patch/input/input.h

@@ -1,8 +1,40 @@
 #pragma once
 
+#include <string>
 #include "../rf/player/control_config.h"
+#include "mouse.h"
+
+// Sentinel scan code injected into Input Rebind UI, allowing additional input bindings.
+static constexpr int CTRL_REBIND_SENTINEL = 0x58; // KEY_F12
+
+// Extra keyboard scan codes not in RF's original DInput table.
+// Placed after CTRL_EXTRA_MOUSE_SCAN (0x75–0x79), before RF extended keys (0x9C+).
+static constexpr int CTRL_EXTRA_KEY_SCAN_BASE  = 0x7A;
+static constexpr int CTRL_EXTRA_KEY_SCAN_COUNT = 14;
+
+enum ExtraKeyScanOffset : int {
+    EXTRA_KEY_KP_DIVIDE = 0,  // SDL_SCANCODE_KP_DIVIDE
+    EXTRA_KEY_NONUSBACKSLASH, // SDL_SCANCODE_NONUSBACKSLASH  (ISO key between LShift and Z)
+    EXTRA_KEY_F13,            // SDL_SCANCODE_F13 … F24
+    EXTRA_KEY_F14,
+    EXTRA_KEY_F15,
+    EXTRA_KEY_F16,
+    EXTRA_KEY_F17,
+    EXTRA_KEY_F18,
+    EXTRA_KEY_F19,
+    EXTRA_KEY_F20,
+    EXTRA_KEY_F21,
+    EXTRA_KEY_F22,
+    EXTRA_KEY_F23,
+    EXTRA_KEY_F24,
+};
 
 rf::ControlConfigAction get_af_control(rf::AlpineControlConfigAction alpine_control);
 rf::String get_action_bind_name(int action);
-void mouse_apply_patch();
+void process_keyboard_event(const SDL_Event& evt);
+void sdl_input_poll();
+int  key_take_pending_extra_rebind();
+std::string keyboard_take_pending_text();
 void key_apply_patch();
+void set_kbm_input_mode(int mode);
+void ui_refresh_kbm_input_mode_label();