[Scummvm-git-logs] scummvm master -> 466795d84c2b02a8470741b75574381a64b2c5c8

[dreammaster]

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Summary:
466795d84c MADS: NEBULAR: Fix background panning in intro


Commit: 466795d84c2b02a8470741b75574381a64b2c5c8
    https://github.com/scummvm/scummvm/commit/466795d84c2b02a8470741b75574381a64b2c5c8
Author: Paul Gilbert (dreammaster at scummvm.org)
Date: 2026-08-03T19:04:03+10:00

Commit Message:
MADS: NEBULAR: Fix background panning in intro

Changed paths:
    engines/mads/animview/anim_timer.cpp


diff --git a/engines/mads/animview/anim_timer.cpp b/engines/mads/animview/anim_timer.cpp
index 867693a9e13..25572223947 100644
--- a/engines/mads/animview/anim_timer.cpp
+++ b/engines/mads/animview/anim_timer.cpp
@@ -45,15 +45,15 @@ static int palIndex1, palIndex2;
 static int matteId;
 static int normalTimer1, imageCount;
 static int messageCount;
-static int frameViewX, frameViewY;
+static int16 panOffsetX, panOffsetY;
 
 void anim_timer_init() {
 	paletteHandle = 0;
 	palIndex1 = palIndex2 = 0;
 	matteId = 0;
 	normalTimer1 = messageCount = 0;
-	frameViewX = frameViewY = 0;
 	currentViewX = currentViewY = 0;
+	panOffsetX = panOffsetY = 0;
 	normalTimer1 = imageCount = 0;
 }
 
@@ -159,20 +159,33 @@ block1:
 	}
 
 block2:
-	frameViewX = current_anim->frame[currentFrame].view_x;
-	frameViewY = current_anim->frame[currentFrame].view_y;
+	panOffsetX = current_anim->frame[currentFrame].view_x;
+	panOffsetY = current_anim->frame[currentFrame].view_y;
+
+	if (panOffsetX != currentViewX || panOffsetY != currentViewY) {
+		currentViewX = panOffsetX;
+		currentViewY = panOffsetY;
 
-	if (frameViewX != currentViewX || frameViewY != currentViewY) {
 		if (g_engine->getGameID() != GType_RexNebular && !picture_map.one_to_one) {
-			tile_pan(&picture_map, frameViewX, frameViewY);
-			tile_pan(&depth_map, frameViewX, frameViewY);
+			// Handle panning the background, which also sets the pan_offset_x/y
+			tile_pan(&picture_map, panOffsetX, panOffsetY);
+			tile_pan(&depth_map, panOffsetX, panOffsetY);
+		} else if (g_engine->getGameID() == GType_RexNebular) {
+			// Set the panning offset for the background
+			picture_map.pan_offset_x = panOffsetX;
+			picture_map.pan_offset_y = panOffsetY;
+
+			for (count = 0; count < image_marker; ++count) {
+				Image &img = image_list[count];
+				if (img.flags != IMAGE_REFRESH)
+					img.flags = IMAGE_ERASE;
+			}
 		}
 
 		image_marker = 1;
 		image_list[0].flags = IMAGE_REFRESH;
 		image_list[0].segment_id = 0xff;
-		currentViewX = frameViewX;
-		currentViewY = frameViewY;
+
 	} else {
 		for (count = 0; count < image_marker; ++count) {
 			if (image_list[count].flags != IMAGE_REFRESH)