🎨 Correct style of false comparisons

Source/doom.cpp

@@ -54,7 +54,7 @@ static bool doom_alloc_cel()
 {
 	doom_cleanup();
 	pDoomCel = DiabloAllocPtr(0x39000);
-	return pDoomCel ? true : false;
+	return pDoomCel != NULL;
 }
 
 static bool doom_load_graphics()

Source/drlg_l1.cpp

@@ -954,7 +954,7 @@ static int DRLG_PlaceMiniSet(const BYTE *miniset, int tmin, int tmax, int cx, in
 		abort = false;
 		found = 0;
 
-		while (abort == false) {
+		while (!abort) {
 			abort = true;
 			if (cx != -1 && sx >= cx - sw && sx <= cx + 12) {
 				sx++;
@@ -996,7 +996,7 @@ static int DRLG_PlaceMiniSet(const BYTE *miniset, int tmin, int tmax, int cx, in
 				}
 			}
 
-			if (abort == false) {
+			if (!abort) {
 				if (++sx == DMAXX - sw) {
 					sx = 0;
 					if (++sy == DMAXY - sh)
@@ -1367,7 +1367,7 @@ static void L5roomGen(int x, int y, int w, int h, int dir)
 			cx1 = x - cw;
 			ran = L5checkRoom(cx1 - 1, cy1 - 1, ch + 2, cw + 1); /// BUGFIX: swap args 3 and 4 ("ch+2" and "cw+1")
 			num++;
-		} while (ran == false && num < 20);
+		} while (!ran && num < 20);
 
 		if (ran == true)
 			L5drawRoom(cx1, cy1, cw, ch);
@@ -1389,7 +1389,7 @@ static void L5roomGen(int x, int y, int w, int h, int dir)
 		ry = y - height;
 		ran = L5checkRoom(rx - 1, ry - 1, width + 2, height + 1);
 		num++;
-	} while (ran == false && num < 20);
+	} while (!ran && num < 20);
 
 	if (ran == true)
 		L5drawRoom(rx, ry, width, height);
@@ -2644,7 +2644,7 @@ static void DRLG_L5(int entry)
 				}
 			}
 		}
-	} while (doneflag == false);
+	} while (!doneflag);
 
 	for (j = 0; j < DMAXY; j++) {
 		for (i = 0; i < DMAXX; i++) {

Source/drlg_l4.cpp

@@ -1137,7 +1137,7 @@ static void L4roomGen(int x, int y, int w, int h, int dir)
 			cx1 = x - cw;
 			ran = L4checkRoom(cx1 - 1, cy1 - 1, ch + 2, cw + 1); /// BUGFIX: swap args 3 and 4 ("ch+2" and "cw+1")
 			num++;
-		} while (ran == false && num < 20);
+		} while (!ran && num < 20);
 
 		if (ran == true)
 			L4drawRoom(cx1, cy1, cw, ch);
@@ -1159,7 +1159,7 @@ static void L4roomGen(int x, int y, int w, int h, int dir)
 		ry = y - height;
 		ran = L4checkRoom(rx - 1, ry - 1, width + 2, height + 1);
 		num++;
-	} while (ran == false && num < 20);
+	} while (!ran && num < 20);
 
 	if (ran == true)
 		L4drawRoom(rx, ry, width, height);

Source/missiles.cpp

@@ -826,7 +826,7 @@ bool PlayerMHit(int pnum, int m, int dist, int mind, int maxd, int mtype, bool s
 		if (mtype == MIS_BONESPIRIT) {
 			dam = plr[pnum]._pHitPoints / 3;
 		} else {
-			if (shift == false) {
+			if (!shift) {
 
 				dam = (mind << 6) + random_(75, (maxd - mind + 1) << 6);
 				if (m == -1)
@@ -2603,7 +2603,7 @@ void AddGuardian(Sint32 mi, Sint32 sx, Sint32 sy, Sint32 dx, Sint32 dy, Sint32 m
 		}
 	}
 
-	if (missile[mi]._miDelFlag != true) {
+	if (!missile[mi]._miDelFlag) {
 		missile[mi]._misource = id;
 		missile[mi]._mlid = AddLight(missile[mi]._mix, missile[mi]._miy, 1);
 		missile[mi]._mirange = missile[mi]._mispllvl + (plr[id]._pLevel >> 1);
@@ -3025,7 +3025,7 @@ void AddFirewallC(Sint32 mi, Sint32 sx, Sint32 sy, Sint32 dx, Sint32 dy, Sint32
 		}
 	}
 
-	if (missile[mi]._miDelFlag != true) {
+	if (!missile[mi]._miDelFlag) {
 		missile[mi]._miVar7 = 0;
 		missile[mi]._miVar8 = 0;
 		missile[mi]._miVar3 = (midir - 2) & 7;

Source/monster.cpp

@@ -4884,7 +4884,7 @@ bool PosOkMissile(int x, int y)
 
 bool CheckNoSolid(int x, int y)
 {
-	return nSolidTable[dPiece[x][y]] == false;
+	return !nSolidTable[dPiece[x][y]];
 }
 
 bool LineClearF(bool (*Clear)(int, int), int x1, int y1, int x2, int y2)

Source/multi.cpp

@@ -783,7 +783,7 @@ bool NetInit(bool bSinglePlayer, bool *pfExitProgram)
 		plr[myplr].plractive = true;
 		gbActivePlayers = 1;
 
-		if (sgbPlayerTurnBitTbl[myplr] == false || msg_wait_resync())
+		if (!sgbPlayerTurnBitTbl[myplr] || msg_wait_resync())
 			break;
 		NetClose();
 		gbSelectProvider = false;

Source/player.cpp

@@ -1959,7 +1959,7 @@ void SyncPlrKill(int pnum, int earflag)
 
 	for (i = 0; i < nummissiles; i++) {
 		ma = missileactive[i];
-		if (missile[ma]._mitype == MIS_MANASHIELD && missile[ma]._misource == pnum && missile[ma]._miDelFlag == false) {
+		if (missile[ma]._mitype == MIS_MANASHIELD && missile[ma]._misource == pnum && !missile[ma]._miDelFlag) {
 			if (earflag != -1) {
 				missile[ma]._miVar8 = earflag;
 			}

Source/towners.cpp

@@ -963,7 +963,7 @@ void TalkToTowner(int p, int t)
 			}
 		}
 	} else if (t == GetActiveTowner(TOWN_BMAID)) {
-		if (plr[p]._pLvlVisited[21] == false && PlrHasItem(p, IDI_MAPOFDOOM, &i)) {
+		if (!plr[p]._pLvlVisited[21] && PlrHasItem(p, IDI_MAPOFDOOM, &i)) {
 			quests[Q_GRAVE]._qactive = 2;
 			quests[Q_GRAVE]._qlog = 1;
 			quests[Q_GRAVE]._qmsg = TEXT_GRAVE8;