devilutionX/DiabloUI/credits.cpp

// ref: 0x10005297
void __cdecl credits_cpp_init()
{
	credits_cpp_float = credits_cpp_float_value;
}
// 1001F408: using guessed type int credits_cpp_float_value;
// 100296EC: using guessed type int credits_cpp_float;

// ref: 0x100052A2
BOOL __stdcall UiCreditsDialog(int a1)
{
	int v1; // eax

	v1 = (int)SDrawGetFrameWindow(NULL);
	SDlgDialogBoxParam(ghUiInst, "CREDITS_DIALOG", v1, credits_WndProc, 25);
	return 1;
}
// 10010382: using guessed type _DWORD __stdcall SDrawGetFrameWindow();

// ref: 0x100052C7
LRESULT __stdcall credits_WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
	HWND v5; // eax

	if (Msg > 0x111) {
		if (Msg == 275) {
			credits_CalcPosROP3(hWnd);
			return (LRESULT)SDlgDefDialogProc(hWnd, Msg, (HDC)wParam, (HWND)lParam);
		}
		if (Msg == 513 || Msg == 516)
			goto LABEL_12;
		if (Msg != 528) {
			if (Msg == 2024) {
				if (!Fade_CheckRange5())
					Fade_SetFadeTimer((int)hWnd);
				return 0;
			}
			return (LRESULT)SDlgDefDialogProc(hWnd, Msg, (HDC)wParam, (HWND)lParam);
		}
		if ((_WORD)wParam != 513 && (_WORD)wParam != 516)
			return (LRESULT)SDlgDefDialogProc(hWnd, Msg, (HDC)wParam, (HWND)lParam);
	LABEL_25:
		Title_KillAndFadeDlg(hWnd);
		return (LRESULT)SDlgDefDialogProc(hWnd, Msg, (HDC)wParam, (HWND)lParam);
	}
	if (Msg == 273)
		goto LABEL_25;
	if (Msg != 2) {
		if (Msg == 135)
			return 4;
		if (Msg != 256) {
			if (Msg > 0x103) {
				if (Msg <= 0x105) {
					v5 = (HWND)SDrawGetFrameWindow(NULL);
					SendMessageA(v5, Msg, wParam, lParam);
				} else if (Msg == 272) {
					credits_LoadImgCreditTxt(hWnd, lParam);
					PostMessageA(hWnd, 0x7E8u, 0, 0);
					return 1;
				}
			}
			return (LRESULT)SDlgDefDialogProc(hWnd, Msg, (HDC)wParam, (HWND)lParam);
		}
		if (wParam != 32)
			return 0;
	LABEL_12:
		Title_KillAndFadeDlg(hWnd);
		return 0;
	}
	credits_FreeCreditResrc(hWnd);
	return (LRESULT)SDlgDefDialogProc(hWnd, Msg, (HDC)wParam, (HWND)lParam);
}
// 10010382: using guessed type _DWORD __stdcall SDrawGetFrameWindow();

// ref: 0x100053D9
void __fastcall credits_FreeCreditResrc(HWND hWnd)
{
	void **v2; // eax

	if (creditsobj) {
		SGdiDeleteObject(creditsobj);
		creditsobj = 0;
	}
	if (credit_back_img) {
		SMemFree(credit_back_img, "C:\\Src\\Diablo\\DiabloUI\\credits.cpp", 46, 0);
		credit_back_img = 0;
	}
	v2 = (void **)GetWindowLongA(hWnd, -21);
	local_FreeMemPtr(v2);
	if (credittext_rsrc) {
		FreeResource(credittext_rsrc);
		credittext_rsrc = 0;
	}
}

// ref: 0x1000543A
void __fastcall credits_LoadImgCreditTxt(HWND hWnd, LPARAM lParam)
{
	signed int v2;       // eax
	HRSRC v3;            // eax
	HRSRC v4;            // eax
	DWORD *v5;           // eax
	DWORD *v6;           // esi
	int v7;              // ebx
	int v8;              // esi
	HFONT v9;            // eax MAPDST
	BOOL v11;            // ebx
	struct tagRECT Rect; // [esp+Ch] [ebp-18h]
	HWND v13;            // [esp+1Ch] [ebp-8h]

	if (lParam)
		v2 = 1000 / lParam;
	else
		v2 = 50;
	SDlgSetTimer((int)hWnd, 1, v2, 0);
	v3              = FindResourceA(ghUiInst, "IDR_CREDITS", "TEXT_FILES");
	credittext_rsrc = LoadResource(ghUiInst, v3);
	v4              = FindResourceA(ghUiInst, "IDR_CREDITS", "TEXT_FILES");
	credittext_size = SizeofResource(ghUiInst, v4);
	v5              = local_AllocWndLongData();
	v6              = v5;
	if (v5) {
		SetWindowLongA(hWnd, -21, (LONG)v5);
		local_LoadArtWithPal(hWnd, 0, &nullcharacter, -1, 1, "ui_art\\credits.pcx", (BYTE **)v6, v6 + 1, 0);
		Fade_NoInputAndArt(hWnd, 0);
	}
	v13 = GetDlgItem(hWnd, 1000);
	GetWindowRect(v13, &Rect);
	v7                   = Rect.right - Rect.left;
	v8                   = Rect.bottom - Rect.top + 60;
	credit_back_img      = SMemAlloc((Rect.right - Rect.left) * v8, "C:\\Src\\Diablo\\DiabloUI\\credits.cpp", 122, 0);
	credit_horz_pos      = v7;
	credit_vertical_pos1 = v8;
	local_AdjustRectSize(&Rect, 0, 30);
	SDlgSetBitmapI(v13, 0, 0, -1, 1, credit_back_img, (int)&Rect, v7, v8, -1);
	credit_vertical_pos2 = v8 - 30;
	credits_CalcPosROP3(hWnd);
	v9 = CreateFontA(-17, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 0x12u, "Times New Roman");
	if (!v9 || (v11 = SGdiImportFont(v9, (int)&creditsobj), DeleteObject(v9), !v11))
		Title_KillAndFadeDlg(hWnd);
}
// 100296E8: using guessed type int credittext_size;
// 100296FC: using guessed type int credit_vertical_pos1;

// ref: 0x100055C0
void __fastcall credits_CalcPosROP3(HWND hWnd)
{
	_DWORD *v2;          // edi
	struct tagRECT Rect; // [esp+Ch] [ebp-14h]
	HWND hWnda;          // [esp+1Ch] [ebp-4h]

	hWnda = GetDlgItem(hWnd, 1000);
	v2    = (_DWORD *)GetWindowLongA(hWnd, -21);
	GetWindowRect(hWnda, &Rect);
	ScreenToClient(hWnd, (LPPOINT)&Rect);
	ScreenToClient(hWnd, (LPPOINT)&Rect.right);
	SBltROP3(
	    (char *)credit_back_img + 30 * credit_horz_pos,
	    (void *)(Rect.left + *v2 + Rect.top * v2[1]),
	    credit_horz_pos,
	    Rect.bottom - Rect.top,
	    credit_horz_pos,
	    v2[1],
	    0,
	    0xCC0020u);
	--credit_vertical_pos2;
	credits_PrintCredLines(hWnd);
	InvalidateRect(hWnda, 0, 0);
	UpdateWindow(hWnda);
}

// ref: 0x10005660
void __fastcall credits_PrintCredLines(HWND hWnd)
{
	char *v1; // esi
	int i;    // edi
	int v3;   // ebp
	int v4;   // ebx

	v1                = (char *)LockResource(credittext_rsrc);
	credit_line_count = credittext_size;
	SGdiSelectObject((int)creditsobj);
	SGdiSetPitch(credit_horz_pos);
	for (i = credit_vertical_pos2; credit_line_count > 0; v1 = credits_GetAdjustText(v1, v4)) {
		v3 = 0;
		while (*v1 == 9) {
			v3 += 40;
			++v1;
			--credit_line_count;
		}
		v4 = credits_GetCredLineBreak(v1);
		if (v4 == -1)
			break;
		if (i >= 0) {
			if (i > credit_vertical_pos1 - 30)
				break;
			if (v4) {
				SGdiTextOut(credit_back_img, v3 + 2, i + 2, 0x1000000, v1, v4);
				SGdiTextOut(credit_back_img, v3, i, 16777440, v1, v4);
			}
		}
		i += 22;
	}
	if (i < 0)
		Title_KillAndFadeDlg(hWnd);
}
// 100103A6: using guessed type int __stdcall SGdiSetPitch(_DWORD);
// 100103AC: using guessed type int __stdcall SGdiSelectObject(_DWORD);
// 100296E8: using guessed type int credittext_size;
// 100296FC: using guessed type int credit_vertical_pos1;
// 10029700: using guessed type int credit_line_count;

// ref: 0x10005736
int __fastcall credits_GetCredLineBreak(char *str)
{
	int result; // eax

	result = 0;
	while (*str != 13 && *str != 10) {
		++result;
		++str;
		if (result > credit_line_count)
			return -1;
	}
	return result;
}
// 10029700: using guessed type int credit_line_count;

// ref: 0x10005755
char *__fastcall credits_GetAdjustText(char *str, int len)
{
	credit_line_count += -2 - len;
	return &str[len + 2];
}
// 10029700: using guessed type int credit_line_count;