devilution/DiabloUI/sbar.cpp

// ref: 0x100099B5
void __cdecl Sbar_cpp_init()
{
	Sbar_cpp_float = Sbar_cpp_float_value;
}
// 1001F448: using guessed type int Sbar_cpp_float_value;
// 1002A338: using guessed type int Sbar_cpp_float;

// ref: 0x100099C0
BOOL __fastcall Sbar_CheckIfNextHero(HWND hWnd)
{
	_uiheroinfo *v1; // eax

	v1 = (_uiheroinfo *)GetWindowLongA(hWnd, -21);
	if (!v1 || !v1->next)
		return 0;
	v1->next = 0;
	return 1;
}

// ref: 0x100099DC
int __fastcall Sbar_NumScrollLines(HWND hWnd, int width, int height)
{
	DWORD *v4;            // eax
	DWORD *v5;            // esi
	int result;            // eax
	signed int v7;         // ecx
	LONG v8;               // ebx
	LONG v9;               // edi
	int v10;               // [esp-4h] [ebp-1Ch]
	struct tagPOINT Point; // [esp+Ch] [ebp-Ch]

	Point.x = width;
	Point.y = height;
	if (!hWnd)
		return 0;
	if (!IsWindowVisible(hWnd))
		return 0;
	v4 = (DWORD *)GetWindowLongA(hWnd, -21);
	v5 = v4;
	if (!v4)
		return 0;
	v7 = v4[13];
	if (v7 <= 1)
		v8 = 22;
	else
		v8 = v4[14] * (v4[3] - v4[9] - 44) / (v7 - 1) + 22;
	v9     = v8 + v4[9];
	ScreenToClient(hWnd, &Point);
	if (Point.y >= 22) {
		if (Point.y >= v8) {
			if (Point.y >= v9) {
				if (Point.y >= v5[3] - 22) {
					*v5 = 4;
					v10 = 2;
				} else {
					*v5 = 8;
					v10 = 4;
				}
			} else {
				*v5 = 16;
				v10 = 5;
			}
		} else {
			*v5 = 2;
			v10 = 3;
		}
		result = v10;
	} else {
		result = 1;
		*v5    = 1;
	}
	return result;
}

// ref: 0x10009A99
void __fastcall Sbar_DrawScrollBar(HWND hWnd, int nIDDlgItem, int width, int height)
{
	HWND v4;           // eax
	LONG v5;           // eax MAPDST
	bool v7;           // zf
	int v8;            // eax
	tagRECT DstRect;   // [esp+Ch] [ebp-24h]
	tagRECT SrcBuffer; // [esp+1Ch] [ebp-14h]
	HWND hWnda;        // [esp+2Ch] [ebp-4h]

	v4    = GetDlgItem(hWnd, nIDDlgItem);
	hWnda = v4;
	if (v4) {
		v5 = GetWindowLongA(v4, -21);
		if (v5) {
			if (*(DWORD *)(v5 + 4)) {
				v7                   = *(DWORD *)(v5 + 16) == 0;
				*(DWORD *)(v5 + 52) = width;
				*(DWORD *)(v5 + 56) = height;
				if (!v7) {
					SrcBuffer.left   = 0;
					DstRect.left     = 0;
					SrcBuffer.top    = 0;
					DstRect.top      = 0;
					DstRect.right    = *(DWORD *)(v5 + 8) - 1;
					DstRect.bottom   = *(DWORD *)(v5 + 12) - 1;
					SrcBuffer.right  = *(DWORD *)(v5 + 8) - 1;
					SrcBuffer.bottom = *(DWORD *)(v5 + 24) - 1;
					SBltROP3Tiled(
					    *(void **)(v5 + 4),
					    &DstRect,
					    *(POINT **)(v5 + 8),
					    *(DWORD *)(v5 + 16),
					    &SrcBuffer,
					    *(RECT **)(v5 + 20),
					    0,
					    0,
					    0,
					    0xCC0020u);
					if (*(DWORD *)(v5 + 28)) {
						if (width <= 1)
							v8 = 22;
						else
							v8 = height * (*(DWORD *)(v5 + 12) - *(DWORD *)(v5 + 36) - 44) / (width - 1) + 22;
						SBltROP3(
						    (void *)(v8 * *(DWORD *)(v5 + 8) + *(DWORD *)(v5 + 4) + 3),
						    *(void **)(v5 + 28),
						    18,
						    *(DWORD *)(v5 + 36),
						    *(DWORD *)(v5 + 8),
						    *(DWORD *)(v5 + 32),
						    0,
						    0xCC0020u);
						SBltROP3(
						    *(void **)(v5 + 4),
						    (void *)(*(DWORD *)(v5 + 40) + 22 * (~*(BYTE *)v5 & 1) * *(DWORD *)(v5 + 44)),
						    *(DWORD *)(v5 + 8),
						    22,
						    *(DWORD *)(v5 + 8),
						    *(DWORD *)(v5 + 44),
						    0,
						    0xCC0020u);
						SBltROP3(
						    (void *)(*(DWORD *)(v5 + 4) + *(DWORD *)(v5 + 8) * (*(DWORD *)(v5 + 12) - 22)),
						    (void *)(*(DWORD *)(v5 + 40) + 22 * ((~*(BYTE *)v5 & 4 | 8u) >> 2) * *(DWORD *)(v5 + 44)),
						    *(DWORD *)(v5 + 8),
						    22,
						    *(DWORD *)(v5 + 8),
						    *(DWORD *)(v5 + 44),
						    0,
						    0xCC0020u);
						InvalidateRect(hWnda, 0, 0);
					}
				}
			}
		}
	}
}

// ref: 0x10009BF1
void __fastcall Sbar_LoadScrBarGFX(HWND hWnd, int nIDDlgItem)
{
	DWORD *v2;           // eax MAPDST
	void *v4;            // eax
	struct tagRECT Rect; // [esp+Ch] [ebp-14h]
	HWND hWnda;          // [esp+1Ch] [ebp-4h]

	hWnda = GetDlgItem(hWnd, nIDDlgItem);
	if (hWnda) {
		v2 = (DWORD *)SMemAlloc(0x3Cu, "C:\\Src\\Diablo\\DiabloUI\\Sbar.cpp", 221, 0);
		if (v2) {
			SetWindowLongA(hWnda, -21, (LONG)v2);
			*v2 = 0;
			GetClientRect(hWnda, &Rect);
			v2[2] = Rect.right;
			v2[3] = Rect.bottom;
			v4    = SMemAlloc(Rect.right * Rect.bottom, "C:\\Src\\Diablo\\DiabloUI\\Sbar.cpp", 230, 0);
			v2[1] = (DWORD)v4;
			if (v4) {
				SDlgSetBitmapI(hWnda, 0, &nullcharacter, -1, 1, v4, 0, v2[2], v2[3], -1);
				local_LoadArtImage("ui_art\\sb_bg.pcx", (BYTE **)v2 + 4, v2 + 5);
				local_LoadArtImage("ui_art\\sb_thumb.pcx", (BYTE **)v2 + 7, v2 + 8);
				local_LoadArtImage("ui_art\\sb_arrow.pcx", (BYTE **)v2 + 10, v2 + 11);
			}
		}
	}
}

// ref: 0x10009CC7
void __cdecl Sbar_cpp_init2()
{
	Sbar_cpp_float2 = Sbar_cpp_float_value2;
}
// 1001F44C: using guessed type int Sbar_cpp_float_value2;
// 1002A344: using guessed type int Sbar_cpp_float2;

// ref: 0x10009CD2
void __fastcall Sbar_FreeScrollBar(HWND hWnd, int nIDDlgItem)
{
	HWND v2;    // eax MAPDST
	DWORD *v4; // eax MAPDST
	void *v6;   // eax
	void *v7;   // eax
	void *v8;   // eax
	void *v9;   // eax

	v2 = GetDlgItem(hWnd, nIDDlgItem);
	if (v2) {
		v4 = (DWORD *)GetWindowLongA(v2, -21);
		if (v4) {
			v6 = (void *)v4[1];
			if (v6)
				SMemFree(v6, "C:\\Src\\Diablo\\DiabloUI\\Sbar.cpp", 267, 0);
			v7 = (void *)v4[4];
			if (v7)
				SMemFree(v7, "C:\\Src\\Diablo\\DiabloUI\\Sbar.cpp", 269, 0);
			v8 = (void *)v4[7];
			if (v8)
				SMemFree(v8, "C:\\Src\\Diablo\\DiabloUI\\Sbar.cpp", 271, 0);
			v9 = (void *)v4[10];
			if (v9)
				SMemFree(v9, "C:\\Src\\Diablo\\DiabloUI\\Sbar.cpp", 273, 0);
			SMemFree(v4, "C:\\Src\\Diablo\\DiabloUI\\Sbar.cpp", 275, 0);
			SetWindowLongA(v2, -21, 0);
		}
	}
}