From 6485e05c08167b2ce13b9a9ed3b236fed6070df8 Mon Sep 17 00:00:00 2001
From: johannes <johannes.herman@gmail.com>
Date: Sat, 10 Feb 2024 19:42:26 +0100
Subject: added change map function

---
 inc/commands.h |  3 ++-
 src/commands.c | 40 +++++++++++++++++++++++++++++++++++-----
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/inc/commands.h b/inc/commands.h
index 20f35e1..a08fabd 100644
--- a/inc/commands.h
+++ b/inc/commands.h
@@ -8,5 +8,6 @@ int setnamebyname(char *oldname, char *newname, demo *demo);
 
 int setskinbyname(char *name, char *skin, demo *demo);
 
-#endif // COMMANDS_H
+int changemap(FILE *map, char *mapname, demo *demo);
 
+#endif // COMMANDS_H
diff --git a/src/commands.c b/src/commands.c
index f83909e..f919a0d 100644
--- a/src/commands.c
+++ b/src/commands.c
@@ -1,6 +1,8 @@
 #include "../inc/demo.h"
 #include "../inc/pack.h"
 
+#include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 // TODO set by id and name has much repeating, fix that
@@ -9,7 +11,7 @@ int setnamebyid(int id, char *new, demo *demo)
     int newlen = strlen(new);
     if (newlen >= 15)
         return -1;
-    
+
     int intname[4] = {0x80808080, 0x80808080, 0x80808080, 0x80808000};
     strtoint(new, newlen + 1, intname);
     int found = 0;
@@ -38,7 +40,7 @@ int setnamebyname(char *old, char *new, demo *demo)
     int newlen = strlen(new);
     if (newlen >= 15)
         return -1;
-    
+
     int intname[4] = {0x80808080, 0x80808080, 0x80808080, 0x80808000};
     strtoint(new, newlen + 1, intname);
     char found = 0;
@@ -54,7 +56,7 @@ int setnamebyname(char *old, char *new, demo *demo)
             demosnapitem *item = &snap->items[y];
             if (item->type != 11)
                 continue;
-            
+
             char name[16];
             intstostr(item->data, 4, name);
             if (strcmp(old, name) == 0)
@@ -72,7 +74,7 @@ int setskinbyname(char *name, char *skin, demo *demo)
     int skinlen = strlen(skin);
     if (skinlen >= 23)
         return -1;
-    
+
     int intskin[5] = {0x80808080, 0x80808080, 0x80808080, 0x80808080, 0x80808000};
     strtoint(skin, skinlen + 1, intskin);
     char found = 0;
@@ -88,9 +90,10 @@ int setskinbyname(char *name, char *skin, demo *demo)
             demosnapitem *item = &snap->items[y];
             if (item->type != 11)
                 continue;
-            
+
             char iname[16];
             intstostr(item->data, 4, iname);
+            printf("comparing: %s : %s\n", name, iname);
             if (strcmp(name, iname) == 0)
             {
                 memcpy(&item->data[8], intskin, 5 * sizeof(int));
@@ -100,3 +103,30 @@ int setskinbyname(char *name, char *skin, demo *demo)
     }
     return found;
 }
+
+int changemap(FILE *map, char *mapname, demo *demo)
+{
+    int namelen = strlen(mapname);
+    if (namelen >= 31)
+        return -1;
+
+    fseek(map, 0, SEEK_END);
+    long mapsize = ftell(map);
+    fseek(map, 0, SEEK_SET);
+
+    char *mapbuff = (char *)malloc(mapsize);
+    if (mapbuff == NULL)
+        return -1;
+
+    fread(mapbuff, 1, mapsize, map);
+
+    free(demo->map.data);
+    demo->map.data = mapbuff;
+    
+    demo->header.version = 5;
+    demo->header.mapsize = mapsize;
+    demo->header.mapcrc = mapsize;
+    memcpy(demo->header.mapname, mapname, namelen + 1);
+
+    return 1;
+}
-- 
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