added change name and skin functions

1 files changed, 102 insertions, 0 deletions

diff --git a/src/commands.c b/src/commands.c
new file mode 100644
index 0000000..f83909e
--- /dev/null
+++ b/src/commands.c
@@ -0,0 +1,102 @@
+#include "../inc/demo.h"
+#include "../inc/pack.h"
+
+#include <string.h>
+
+// TODO set by id and name has much repeating, fix that
+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;
+
+    for (int i = 0; i < demo->data.numchunks; i++)
+    {
+        if (demo->data.chunks[i].type != DEMOSNAP)
+            continue;
+        demosnap *snap = demo->data.chunks[i].data.snap;
+
+        for (int y = 0; y < snap->numitems; y++)
+        {
+            demosnapitem *item = &snap->items[y];
+            if (item->type == 11 && item->id == id)
+            {
+                memcpy(item->data, intname, 4 * sizeof(int));
+                found++;
+            }
+        }
+    }
+    return found;
+}
+
+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;
+
+    for (int i = 0; i < demo->data.numchunks; i++)
+    {
+        if (demo->data.chunks[i].type != DEMOSNAP)
+            continue;
+        demosnap *snap = demo->data.chunks[i].data.snap;
+
+        for (int y = 0; y < snap->numitems; y++)
+        {
+            demosnapitem *item = &snap->items[y];
+            if (item->type != 11)
+                continue;
+            
+            char name[16];
+            intstostr(item->data, 4, name);
+            if (strcmp(old, name) == 0)
+            {
+                memcpy(item->data, intname, 4 * sizeof(int));
+                found++;
+            }
+        }
+    }
+    return found;
+}
+
+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;
+
+    for (int i = 0; i < demo->data.numchunks; i++)
+    {
+        if (demo->data.chunks[i].type != DEMOSNAP)
+            continue;
+        demosnap *snap = demo->data.chunks[i].data.snap;
+
+        for (int y = 0; y < snap->numitems; y++)
+        {
+            demosnapitem *item = &snap->items[y];
+            if (item->type != 11)
+                continue;
+            
+            char iname[16];
+            intstostr(item->data, 4, iname);
+            if (strcmp(name, iname) == 0)
+            {
+                memcpy(&item->data[8], intskin, 5 * sizeof(int));
+                found++;
+            }
+        }
+    }
+    return found;
+}