From 03145e4fcd4e8ca2b180fca9d381715adc0e0f97 Mon Sep 17 00:00:00 2001
From: Alexander Batalov <alex.batalov@gmail.com>
Date: Mon, 2 Jan 2023 14:34:42 +0300
Subject: [PATCH] Fix endgame slideshow issues

See #3
Closes #215
---
 src/endgame.cc | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/endgame.cc b/src/endgame.cc
index 9c68b9f..66653ea 100644
--- a/src/endgame.cc
+++ b/src/endgame.cc
@@ -83,6 +83,7 @@ static void _endgame_movie_bk_process();
 static int endgameEndingInit();
 static void endgameEndingFree();
 static int endgameDeathEndingValidate(int* percentage);
+static void endgameEndingUpdateOverlay();
 
 // The number of lines in current subtitles file.
 //
@@ -204,6 +205,8 @@ static unsigned char* gEndgameEndingSlideshowWindowBuffer;
 // 0x570BF4
 static int gEndgameEndingSlideshowWindow;
 
+static int gEndgameEndingOverlay;
+
 // 0x43F788
 void endgamePlaySlideshow()
 {
@@ -321,6 +324,9 @@ static void endgameEndingRenderPanningScene(int direction, const char* narratorF
         bufferFill(gEndgameEndingSlideshowWindowBuffer, ENDGAME_ENDING_WINDOW_WIDTH, ENDGAME_ENDING_WINDOW_HEIGHT, ENDGAME_ENDING_WINDOW_WIDTH, _colorTable[0]);
         endgameEndingLoadPalette(6, 327);
 
+        // CE: Update overlay.
+        endgameEndingUpdateOverlay();
+
         unsigned char palette[768];
         memcpy(palette, _cmap, 768);
 
@@ -454,6 +460,9 @@ static void endgameEndingRenderStaticScene(int fid, const char* narratorFileName
 
         endgameEndingLoadPalette(FID_TYPE(fid), fid & 0xFFF);
 
+        // CE: Update overlay.
+        endgameEndingUpdateOverlay();
+
         endgameEndingVoiceOverInit(narratorFileName);
 
         unsigned int delay;
@@ -555,6 +564,13 @@ static int endgameEndingSlideshowWindowInit()
 
     paletteFadeTo(gPaletteBlack);
 
+    // CE: Every slide has a separate color palette which is incompatible with
+    // main color palette. Setup overlay to hide everything.
+    gEndgameEndingOverlay = windowCreate(0, 0, screenGetWidth(), screenGetHeight(), _colorTable[0], WINDOW_MOVE_ON_TOP);
+    if (gEndgameEndingOverlay == -1) {
+        return -1;
+    }
+
     int windowEndgameEndingX = (screenGetWidth() - ENDGAME_ENDING_WINDOW_WIDTH) / 2;
     int windowEndgameEndingY = (screenGetHeight() - ENDGAME_ENDING_WINDOW_HEIGHT) / 2;
     gEndgameEndingSlideshowWindow = windowCreate(windowEndgameEndingX,
@@ -623,6 +639,7 @@ static void endgameEndingSlideshowWindowFree()
 
     speechSetEndCallback(NULL);
     windowDestroy(gEndgameEndingSlideshowWindow);
+    windowDestroy(gEndgameEndingOverlay);
 
     if (!_endgame_mouse_state) {
         mouseHideCursor();
@@ -1212,4 +1229,14 @@ char* endgameDeathEndingGetFileName()
     return gEndgameDeathEndingFileName;
 }
 
+void endgameEndingUpdateOverlay()
+{
+    bufferFill(windowGetBuffer(gEndgameEndingOverlay),
+        windowGetWidth(gEndgameEndingOverlay),
+        windowGetHeight(gEndgameEndingOverlay),
+        windowGetWidth(gEndgameEndingOverlay),
+        intensityColorTable[_colorTable[0]][0]);
+    windowRefresh(gEndgameEndingOverlay);
+}
+
 } // namespace fallout