devilutionX/DiabloUI/title.cpp

// ref: 0x1000FDEE
void __fastcall Title_BlitTitleBuffer(HWND hWnd)
{
	DWORD *v2;          // edi
	int v3;              // eax
	HANDLE v4;           // esi
	struct tagRECT Rect; // [esp+Ch] [ebp-18h]
	HWND hWnda;          // [esp+20h] [ebp-4h]

	v2    = (DWORD *)GetWindowLongA(hWnd, -21);
	hWnda = GetDlgItem(hWnd, 1043);
	if (IsWindowVisible(hWnd) && hWnda && v2 && *v2 && titlePHTrans[0]) {
		v3            = titleTransIdx + 1;
		titleTransIdx = v3;
		if (!titlePHTrans[v3] || v3 >= 30)
			titleTransIdx = 0;
		GetWindowRect(hWnda, &Rect);
		ScreenToClient(hWnd, (LPPOINT)&Rect);
		ScreenToClient(hWnd, (LPPOINT)&Rect.right);
		v4 = GetPropA(hWnd, "TITLE_BUFFER");
		if (v4) {
			SBltROP3(
			    *(void **)v4,
			    (void *)(Rect.left + *v2 + Rect.top * v2[1]),
			    *((DWORD *)v4 + 1),
			    *((DWORD *)v4 + 2),
			    *((DWORD *)v4 + 1),
			    v2[1],
			    0,
			    0xCC0020u);
			STransBlt(*(void **)v4, 0, 0, *((DWORD *)v4 + 1), (HANDLE)titlePHTrans[titleTransIdx]);
			InvalidateRect(hWnda, 0, 0);
		}
	}
}
// 1002A58C: using guessed type int titleTransIdx;

// ref: 0x1000FEED
void __cdecl Title_DeletePhTrans()
{
	int *v0; // esi

	v0 = (int *)titlePHTrans;
	do {
		if (*v0) {
			STransDelete((HANDLE)*v0);
			*v0 = 0;
		}
		++v0;
	} while ((signed int)v0 < (signed int)&titlePHTrans[30]);
}

// ref: 0x1000FF0F
void __fastcall Title_FreeTransMem(HWND hWnd)
{
	void **v2; // eax MAPDST
	void *v4;  // eax

	Title_DeletePhTrans();
	v2 = (void **)RemovePropA(hWnd, "TITLE_BUFFER");
	if (v2) {
		v4 = *v2;
		if (v4) {
			SMemFree(v4, "C:\\Src\\Diablo\\DiabloUI\\Title.cpp", 114, 0);
			*v2 = 0;
		}
		SMemFree(v2, "C:\\Src\\Diablo\\DiabloUI\\Title.cpp", 117, 0);
	}
}

// ref: 0x1000FF51
void __fastcall Title_SetTitleBMP(HWND hWnd)
{
	HWND v1;             // eax MAPDST
	DWORD *v2;          // esi
	void *v3;            // eax
	struct tagRECT Rect; // [esp+0h] [ebp-18h]

	Title_FreeTransMem(hWnd);
	v1 = GetDlgItem(hWnd, 1043);
	if (v1) {
		GetClientRect(v1, &Rect);
		v2    = (DWORD *)SMemAlloc(0xCu, "C:\\Src\\Diablo\\DiabloUI\\Title.cpp", 134, 0);
		v3    = SMemAlloc(Rect.right * Rect.bottom, "C:\\Src\\Diablo\\DiabloUI\\Title.cpp", 136, 8);
		*v2   = (DWORD)v3;
		v2[1] = Rect.right;
		v2[2] = Rect.bottom;
		SDlgSetBitmapI(v1, 0, 0, -1, 1, v3, 0, Rect.right, Rect.bottom, -1);
		SetPropA(hWnd, "TITLE_BUFFER", v2);
	}
}

// ref: 0x1000FFE8
void __fastcall Title_LoadTitleImage(HWND hWnd, const char *pszFileName)
{
	int v3;             // edi
	DWORD *v4;         // eax
	DWORD *v5;         // esi
	int v6;             // ebx
	int a5[4];          // [esp+8h] [ebp-20h]
	int data[2];        // [esp+18h] [ebp-10h]
	HANDLE *phTransOut; // [esp+20h] [ebp-8h]
	BYTE *pBuffer;      // [esp+24h] [ebp-4h]

	v3      = 0;
	pBuffer = 0;
	local_LoadArtImage(pszFileName, &pBuffer, (DWORD *)data);
	v4 = (DWORD *)GetPropA(hWnd, "TITLE_BUFFER");
	v5 = v4;
	if (pBuffer) {
		if (v4) {
			v6 = data[1] / v4[2];
			if (v6 > 30)
				v6 = 30;
			if (v6 > 0) {
				phTransOut = (HANDLE *)titlePHTrans;
				do {
					a5[0] = 0;
					a5[2] = v5[1] - 1;
					a5[1] = v3 * v5[2];
					a5[3] = v5[2] + a5[1] - 1;
					STransCreateI(pBuffer, v5[1], v5[2], 8, (int)a5, 16777466, phTransOut);
					++phTransOut;
					++v3;
				} while (v3 < v6);
			}
		}
		SMemFree(pBuffer, "C:\\Src\\Diablo\\DiabloUI\\Title.cpp", 197, 0);
	}
	titleTransIdx = 0;
}
// 1002A58C: using guessed type int titleTransIdx;

// ref: 0x1001009E
void __fastcall Title_LoadImgSetTimer(HWND hWnd, const char *pszFileName)
{
	Title_SetTitleBMP(hWnd);
	Title_LoadTitleImage(hWnd, pszFileName);
	Title_BlitTitleBuffer(hWnd);
	SDlgSetTimer((int)hWnd, 2, 55, Title_BlitTitleBufFnc);
}

// ref: 0x100100CB
void __stdcall Title_BlitTitleBufFnc(int hWnd, int a2, int a3, int a4)
{
	Title_BlitTitleBuffer((HWND)hWnd);
}

// ref: 0x100100DC
void __cdecl Title_cpp_init()
{
	Title_cpp_float = Title_cpp_float_value;
}
// 1001F47C: using guessed type int Title_cpp_float_value;
// 1002A588: using guessed type int Title_cpp_float;

// ref: 0x100100E7
void __fastcall Title_KillTitleTimer(HWND hWnd)
{
	HWND v1; // esi

	v1 = hWnd;
	SDlgKillTimer((int)hWnd, 2);
	Title_FreeTransMem(v1);
}

// ref: 0x100100FA
BOOL __stdcall UiTitleDialog(int a1)
{
	int v1; // eax

	artfont_LoadAllFonts();
	v1 = (int)SDrawGetFrameWindow(NULL);
	SDlgDialogBoxParam(ghUiInst, "TITLESCREEN_DIALOG", v1, Title_MainProc, a1);
	return 1;
}
// 10010382: using guessed type DWORD __stdcall SDrawGetFrameWindow();

// ref: 0x10010126
LRESULT __stdcall Title_MainProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	HWND v5; // eax

	if (uMsg <= 0x111) {
		if (uMsg != 273) {
			if (uMsg != 2) {
				if (uMsg == 135)
					return 4;
				if (uMsg != 256) {
					if (uMsg > 0x103) {
						if (uMsg <= 0x105) {
							v5 = (HWND)SDrawGetFrameWindow(NULL);
							SendMessageA(v5, uMsg, wParam, lParam);
						} else if (uMsg == 272) {
							Title_LoadAllTitleImgs(hWnd, lParam);
							PostMessageA(hWnd, 0x7E8u, 0, 0);
							return 1;
						}
					}
					return (LRESULT)SDlgDefDialogProc(hWnd, uMsg, (HDC)wParam, (HWND)lParam);
				}
				goto LABEL_25;
			}
			Title_KillTimerAndFree(hWnd);
			return (LRESULT)SDlgDefDialogProc(hWnd, uMsg, (HDC)wParam, (HWND)lParam);
		}
		goto LABEL_25;
	}
	if (uMsg != 275) {
		if (uMsg != 513 && uMsg != 516) {
			if (uMsg == 528) {
				if ((WORD)wParam == 513 || (WORD)wParam == 516)
					Title_KillAndFadeDlg(hWnd);
			} else if (uMsg == 2024) {
				if (!Fade_CheckRange5())
					Fade_SetFadeTimer((int)hWnd);
				return 0;
			}
			return (LRESULT)SDlgDefDialogProc(hWnd, uMsg, (HDC)wParam, (HWND)lParam);
		}
	LABEL_25:
		Title_KillAndFadeDlg(hWnd);
		return 0;
	}
	if (wParam == 1)
		goto LABEL_25;
	return 0;
}
// 1001037C: using guessed type int __stdcall SDlgDefDialogProc(DWORD, DWORD, DWORD, DWORD);
// 10010382: using guessed type DWORD __stdcall SDrawGetFrameWindow();

// ref: 0x10010235
void __fastcall Title_KillTimerAndFree(HWND hWnd)
{
	void **v2; // eax

	Title_KillTitleTimer(hWnd);
	Doom_DeleteFreeProcs(hWnd, titlemsgtbl);
	v2 = (void **)GetWindowLongA(hWnd, -21);
	local_FreeMemPtr(v2);
}

// ref: 0x1001025A
void __fastcall Title_LoadAllTitleImgs(HWND hWnd, int time)
{
	DWORD *v4; // edi

	v4 = local_AllocWndLongData();
	SetWindowLongA(hWnd, -21, (LONG)v4);
	if (v4) {
		local_LoadArtWithPal(hWnd, 0, &nullcharacter, -1, 1, "ui_art\\title.pcx", (BYTE **)v4, v4 + 1, 0);
		Fade_NoInputAndArt(hWnd, 0);
	}
	Doom_ParseWndProc3(hWnd, titlemsgtbl, AF_MEDGRAY);
	Title_LoadImgSetTimer(hWnd, "ui_art\\logo.pcx");
	if (time)
		SDlgSetTimer((int)hWnd, 1, 1000 * time, 0);
	else
		SDlgSetTimer((int)hWnd, 1, 5000, 0);
}

// ref: 0x100102D7
void __fastcall Title_KillAndFadeDlg(HWND hWnd)
{
	Fade_Range5SetZero();
	SDlgKillTimer((int)hWnd, 1);
	Fade_UpdatePaletteRange(10);
	SDlgEndDialog(hWnd, (void *)HANDLE_FLAG_INHERIT);
}