port: alternate fix for #548

port/src/optionsmenu.c

@@ -9,6 +9,7 @@
 #include "game/mainmenu.h"
 #include "game/menu.h"
 #include "game/gamefile.h"
+#include "game/player.h"
 #include "video.h"
 #include "input.h"
 #include "config.h"
@@ -990,6 +991,7 @@ static MenuItemHandlerResult menuhandlerFieldOfView(s32 operation, struct menuit
 			g_PlayerExtCfg[g_ExtMenuPlayer].fovy = data->slider.value;
 			if (g_PlayerExtCfg[g_ExtMenuPlayer].fovzoom) {
 				g_PlayerExtCfg[g_ExtMenuPlayer].fovzoommult = g_PlayerExtCfg[g_ExtMenuPlayer].fovy / 60.f;
+				playerClampGunZoomFovY(g_ExtMenuPlayer);
 			}
 		}
 		break;

src/game/player.c

@@ -2103,6 +2103,22 @@ f32 playerGetCutsceneBlurFrac(void)
 	return g_CutsceneBlurFrac;
 }
 
+void playerClampGunZoomFovY(s32 playernum)
+{
+	struct player *player = g_Vars.players[playernum];
+	if (!player) {
+		return;
+	}
+
+	for (s32 index = 0; index < ARRAYCOUNT(player->gunzoomfovs); ++index) {
+		if (player->gunzoomfovs[index] < ADJUST_ZOOM_FOV(2)) {
+			player->gunzoomfovs[index] = ADJUST_ZOOM_FOV(2);
+		} else if (player->gunzoomfovs[index] > ADJUST_ZOOM_FOV(60)) {
+			player->gunzoomfovs[index] = ADJUST_ZOOM_FOV(60);
+		}
+	}
+}
+
 void playerSetZoomFovY(f32 fovy, f32 timemax)
 {
 	g_Vars.currentplayer->zoomintime = 0;

src/include/game/player.h

@@ -21,6 +21,7 @@ void playerStartCutscene(s16 anim_id);
 void playerReorientForCutsceneStop(s32 tweenduration60);
 void playerTickCutscene(bool arg0);
 f32 playerGetCutsceneBlurFrac(void);
+void playerClampGunZoomFovY(s32 playernum);
 void playerSetZoomFovY(f32 fovy, f32 timemax);
 f32 playerGetZoomFovY(void);
 void playerTweenFovY(f32 targetfovy);