breaking game resolution limits

Author: DiaLight

.gitignore

@@ -79,3 +79,4 @@ fabric.properties
 # Ember project
 /build
 dev.h
+/dev

CMakeLists.txt

@@ -98,13 +98,23 @@ set(SOURCES
         api/Buf.cpp
         api/patch.cpp
         patches/reduce_title_screen_time.cpp
-        patches/force_windowed_mode.cpp
+        patches/control_windowed_mode.cpp
         patches/add_win10_support.cpp
         patches/mouse_dinput/fix_relative_mouse_data.cpp
         patches/mouse_dinput/replace_mouse_dinput_to_user32.cpp
         patches/mouse_user32/fix_mouse_pos_on_resized_window.cpp
         patches/fix_close_window.cpp
         patches/use_cwd_as_dk2_home_dir.cpp
+        patches/screen_resolution/patch_menu_resolution.cpp
+        patches/screen_resolution/patch_game_resolution.cpp
+        patches/screen_resolution/expand_surf_idx_array.cpp
+        patches/screen_resolution/expand_surf_hash_list.cpp
+        patches/screen_resolution/patch_draw_buffer_extra_size.cpp
+        patches/screen_resolution/replace_custom_heap.cpp
+        patches/screen_resolution/dpi_aware.cpp
+        reimpl/SurfHashList__probablySort.cpp
+        reimpl/draw3dScene.cpp
+        stdex.cpp
 )
 if(REVERSE_MODE)
     enable_language(ASM_MASM)

api.cpp

@@ -18,6 +18,7 @@
 #include <ios>
 #include <io.h>
 #include <fcntl.h>
+#include <stdex.h>
 
 std::wstring g_curExeDir;
 
@@ -223,8 +224,17 @@ namespace api {
   HookHandle *allReadyToStart = nullptr;
   std::vector<std::function<void()>> ALL_READY_TO_START;
 
+  std::vector<std::string> EMBER_ARGS;
+  std::vector<std::string> DK2_ARGS;
+
   int __cdecl proxy_main(int argc, char *argv[]) {
     int exitCode = -1;
+    argc = DK2_ARGS.size();
+    std::vector<char *> args;
+    args.reserve(DK2_ARGS.size());
+    for(auto &arg : DK2_ARGS) args.push_back((char *) arg.c_str());
+    args.push_back(NULL);
+    argv = &*args.begin();
 
     for(auto &F : BEFORE_MAIN) {
       exitCode = F(argc, argv);
@@ -237,6 +247,24 @@ namespace api {
     return exitCode;
   }
 
+  std::string findArgValue(const std::string &name) {
+    for(auto &arg : EMBER_ARGS) {
+      if(arg.starts_with(name + "=")) {
+        return arg.substr(name.length() + 1);
+      }
+    }
+    return std::string();
+  }
+
+  bool hasFlag(const std::string &name) {
+    for(auto &arg : EMBER_ARGS) {
+      if(arg == name) {
+        return true;
+      }
+    }
+    return false;
+  }
+
   bool initialize() {
 #ifdef REVERSE_MODE
     AllocConsole();
@@ -257,6 +285,25 @@ namespace api {
     printf("bootstrap patcher base: %p\n", g_bootstrap_patcher);
     printf("dk2 base: %p\n", dk2_base);
 
+    int nArgs;
+    LPWSTR *szArglist = CommandLineToArgvW(GetCommandLineW(), &nArgs);
+    if(szArglist == NULL) {
+      printf("CommandLineToArgvW failed\n");
+      return false;
+    }
+    for(int i = 0; i < nArgs; i++) {
+      std::wstring warg(szArglist[i]);
+      std::string arg = utf8_encode(warg);
+      printf("%d: %ws\n", i, szArglist[i]);
+      if(i != 0 && arg.starts_with("-ember:")) {
+        arg = arg.substr(7);
+        EMBER_ARGS.push_back(arg);
+      } else DK2_ARGS.push_back(arg);
+    }
+
+
+    LocalFree(szArglist);
+
     g_curExeDir.resize(MAX_PATH, L'\0');
     if(GetModuleFileNameW(g_bootstrap_patcher, &*g_curExeDir.begin(), MAX_PATH) == 0) return false;
     wchar_t *p1 = wcsrchr(&*g_curExeDir.begin(), '/');

api/stacktrace.cpp

@@ -14,6 +14,10 @@
 #include <sstream>
 #include <iomanip>
 
+#define hex32(val) std::hex << std::uppercase << std::setfill(L'0') << std::setw(8) << ((uint32_t) val) << std::dec
+#define hex16(val) std::hex << std::uppercase << std::setfill(L'0') << std::setw(4) << ((uint16_t) val) << std::dec
+#define hex8(val) std::hex << std::uppercase << std::setfill(L'0') << std::setw(2) << ((uint8_t) val) << std::dec
+
 enum SpOpKind {
   SP_Invalid,
   SP,
@@ -384,9 +388,6 @@ class LoadedModules {
   }
 };
 
-#define hex32(val) std::uppercase << std::setfill(L'0') << std::setw(8) << std::hex << (val) << std::dec
-#define hex16(val) std::uppercase << std::setfill(L'0') << std::setw(4) << std::hex << (val) << std::dec
-
 bool visit_dk2_frame(CONTEXT *ctx, StackLimits &limits, std::wstringstream &ss) {
   uint32_t rva = (uint8_t *) ctx->Eip - dk2_base;
   auto it = stacktrace::find_le(rva);

include/api.h

@@ -49,10 +49,18 @@ namespace api {
   extern std::vector<std::function<void(int argc, char *argv[], int &exitCode)>> AFTER_MAIN;
   extern std::vector<std::function<void()>> ALL_READY_TO_START;
 
+  extern std::vector<std::string> EMBER_ARGS;
+  extern std::vector<std::string> DK2_ARGS;
+
   bool initialize();
 
+  std::string findArgValue(const std::string &name);
+  bool hasFlag(const std::string &name);
+
 }
 
 bool replaceXrefs(uint8_t *fun, void *proxy);
 
+std::vector<std::string> split(const std::string &s, char separator);
+
 #endif //EMBER_API_H

include/api/patch.h

@@ -8,6 +8,9 @@
 #include <vector>
 #include <functional>
 
+void write_jump(uint8_t *pos, void *to);
+void write_call(uint8_t *pos, void *to);
+
 class PatchBuilder {
   std::vector<uint8_t> proxy;
 public:

include/dk2.h

@@ -432,7 +432,7 @@ namespace dk2 {
     int field_F4D;
     __int16 field_F51;
 
-    /*005581B0*/ void prepareScreen(int dwWidth, int dwHeight, int dwRGBBitCount, int isWindowed, int a6, int a7);
+    /*005581B0*/ int prepareScreen(int dwWidth, int dwHeight, int dwRGBBitCount, int isWindowed, int a6, int a7);
     /*005595C0*/ void debugMsg(char *format, ...);
 
   };

include/dk2/CFrontEndComponent.h

@@ -203,8 +203,8 @@ namespace dk2 {
     BYTE gap_61A4[336];
     AABB aabb15_x8[8];
     BYTE gap6374[669];
-    MySurface surf61_x3[3];
-    MySurface surf62_x3[3];
+    MySurface surf61_x3_applyBtn[3];
+    MySurface surf62_x3_exitBtn[3];
     BYTE gap_6701[4];
     BYTE field_6705;
     BYTE field_6706;
@@ -223,7 +223,7 @@ namespace dk2 {
     AABB aabb16_x16x30x6[16][30][6];
     MySurface surf64_x16x30x6[16][30][6];
     DWORD cglow_obj_start;
-    MySurface surf65;
+    MySurface surf65_btnRenderOut;
     MySurface surf66_x16[16];
     AABB aabb17_x16x30[16][30];
     BYTE gap2FE0D[1292];
@@ -295,10 +295,20 @@ namespace dk2 {
     int f311F6;
 
     /*005340F0*/ void showTitleScreen();
+
+    /*005306F0*/ static int __cdecl execute(unsigned int idx, int command, CFrontEndComponent *obj);
+    /*0052FAF0*/ static int __cdecl onKeyboardActionWithCtrl(
+        int keyCode,
+        int isPressed,
+        int controlKeyFlags,
+        CFrontEndComponent *frontend);
+
   };
 #pragma pack(pop)
   static_assert(sizeof(CFrontEndComponent) == 0x311FA);
 
 }
+// ?CFrontEndComponent_static_onKeyboardActionWithCtrl@@YAHHHHPAVCFrontEndComponent@dk2@@@Z
+// ?onKeyboardActionWithCtrl@CFrontEndComponent@dk2@@SAHHHHPAV12@@Z
 
 #endif //EMBER_CFRONTENDCOMPONENT_H

include/dk2/gui.h

@@ -6,62 +6,14 @@
 #define EMBER_GUI_H
 
 #include <dk2/utils.h>
+#include <dk2/gui_elements.h>
 
 namespace dk2 {
 
   struct CWindow;
   struct CGuiManager;
   struct CDefaultPlayerInterface;
 
-  struct CGadget {  // vft=0066ED14
-    struct vtbl_t {
-      void (__fastcall *scalar_deleting_destructor)(void *_this, void *edx, bool del);
-    };
-    inline vtbl_t *vtbl() { return *(vtbl_t **) this; }
-    virtual ~CGadget();
-
-    int x_offs;
-    int y_offs;
-    int width;
-    int height;
-    Area2i pos;
-
-  };
-  static_assert(sizeof(CGadget) == 0x24);
-
-#pragma pack(push, 1)
-  struct CButton : public CGadget {
-    DWORD field_20;
-    DWORD f24_renderFun;
-    DWORD field_28;
-    DWORD f2C_textId;
-    DWORD f30_idxLow;
-    int f34_idxHigh;
-    DWORD f38_unkIdx;
-    BYTE field_3C;
-    DWORD field_3D;
-    DWORD field_41;
-    DWORD f45_containsCursor;
-    int f49_actionFun;
-    int field_4D;
-    CWindow *f51_pWindow;
-    DWORD field_55;
-    DWORD field_59;
-    DWORD f5D_isVisible;
-    WORD f61_posFlags;
-    DWORD field_63;
-    DWORD field_67;
-    DWORD field_6B;
-    BYTE f6F_kind;
-    DWORD f70_;
-    DWORD f74_prev;
-    CButton *f78_next;
-    virtual ~CButton();
-
-  };
-#pragma pack(pop)
-  static_assert(sizeof(CButton) == 0x80);
-
 #pragma pack(push, 1)
   struct ButtonCfg {
     char f0_kind;
@@ -72,7 +24,7 @@ namespace dk2 {
     DWORD field_E;
     DWORD field_12;
     DWORD field_16;
-    DWORD field_1A;
+    DWORD f1A__actionId;
     WORD f1E_posFlags;
     __int16 f20_x;
     __int16 f22_y;
@@ -233,11 +185,11 @@ namespace dk2 {
   };
 
   class gui_globals {
-    /*006AE4E0*/ static WindowCfg *view006AE4E0[];
-    /*00693EF8*/ static WindowCfg *view00693EF8[];
+    /*006AE4E0*/ static WindowCfg *mainView[];
+    /*00693EF8*/ static WindowCfg *gameView[];
   public:
-    inline static WindowCfg **getMainGuiConfig() { return (WindowCfg **) funptr<&view006AE4E0>(); }
-    inline static WindowCfg **getInGameGuiConfig() { return (WindowCfg **) funptr<&view00693EF8>(); }
+    inline static WindowCfg **getMainGuiConfig() { return (WindowCfg **) funptr<&mainView>(); }
+    inline static WindowCfg **getInGameGuiConfig() { return (WindowCfg **) funptr<&gameView>(); }
 
     static WindowCfg *getMainWindowCfg(MainGuiId id) {
       auto *pos = dk2::gui_globals::getMainGuiConfig();

include/dk2/gui_elements.h

@@ -0,0 +1,77 @@
+//
+// Created by DiaLight on 24.09.2022.
+//
+
+#ifndef EMBER_GUI_ELEMENTS_H
+#define EMBER_GUI_ELEMENTS_H
+
+namespace dk2 {
+
+  struct CWindow;
+  struct CGuiManager;
+  struct CDefaultPlayerInterface;
+  struct CFrontEndComponent;
+
+  struct CGadget {  // vft=0066ED14
+    struct vtbl_t {
+      void (__fastcall *scalar_deleting_destructor)(void *_this, void *edx, bool del);
+    };
+    inline vtbl_t *vtbl() { return *(vtbl_t **) this; }
+    virtual ~CGadget();
+
+    int x_offs;
+    int y_offs;
+    int width;
+    int height;
+    Area2i pos;
+
+  };
+  static_assert(sizeof(CGadget) == 0x24);
+
+#pragma pack(push, 1)
+  struct CButton : public CGadget {
+    DWORD field_20;
+    DWORD f24_renderFun;
+    DWORD field_28;
+    DWORD f2C_textId;
+    DWORD f30_idxLow;
+    int f34_idxHigh;
+    DWORD f38_unkIdx;
+    BYTE field_3C;
+    DWORD field_3D;
+    DWORD field_41;
+    DWORD f45_containsCursor;
+    void *f49_actionFun;
+    int field_4D;
+    CWindow *f51_pWindow;
+    DWORD field_55;
+    DWORD field_59;
+    DWORD f5D_isVisible;
+    WORD f61_posFlags;
+    DWORD field_63;
+    DWORD field_67;
+    DWORD field_6B;
+    BYTE f6F_kind;
+    DWORD f70_;
+    DWORD f74_prev;
+    CButton *f78_next;
+    virtual ~CButton();
+
+  };
+#pragma pack(pop)
+  static_assert(sizeof(CButton) == 0x80);
+
+#pragma pack(push, 1)
+  struct CClickButton : public CButton {
+
+    virtual ~CClickButton();
+
+    static void __cdecl renderExitBtn(dk2::CClickButton *btn, dk2::CFrontEndComponent *frontend);
+    static void __cdecl renderApplyBtn(dk2::CClickButton *btn, dk2::CFrontEndComponent *frontend);
+  };
+#pragma pack(pop)
+  static_assert(sizeof(CClickButton) == 0x80);
+
+}
+
+#endif //EMBER_GUI_ELEMENTS_H