From 5e4f0559c455e851135a78596efe9090e287fb25 Mon Sep 17 00:00:00 2001
From: Raimon Zamora <jaildoctor@gmail.com>
Date: Fri, 27 Jan 2023 17:15:03 +0100
Subject: [PATCH] - [FIX] Crash if map() used without map surface assigned -
 [FIX] Crash on restart, system surfaces not finalized properly (Cacaus crash
 maybe solved?)

---
 mini.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mini.cpp b/mini.cpp
index fd69ab0..68ec0c5 100644
--- a/mini.cpp
+++ b/mini.cpp
@@ -344,6 +344,7 @@ int main(int argc,char*argv[]){
         Mix_Quit();
 
         for (int i=0;i<10;++i) freesurf(i);
+        dest_surface = source_surface = map_surface = NULL;
         destroyDisplay();
         SDL_Quit();
     }
@@ -859,6 +860,7 @@ void mset(int celx, int cely, uint8_t snum) {
 }
 
 void map(int celx, int cely, int sx, int sy, uint8_t celw, uint8_t celh, uint8_t layer) {
+    if (map_surface==NULL) return;
     //if (celw <= 0 || celh <= 0 || celw >= TILES_WIDTH || celh >= TILES_HEIGHT) return;
     sx -= ds::cam[0]; sy -= ds::cam[1];
     if (sx+celw*8 < ds::clp[0] || sx > ds::clp[2] || sy+celh*8 < ds::clp[1] || sy > ds::clp[3]) return;