zTSO

- Added libraries from formats and libvitaboy
2025-07-07 07:00:33 -04:00 · 2024-04-28 05:33:13 -04:00 · 2024-04-28 05:33:13 -04:00 · 5efdb29315
commit 5efdb29315
parent 66ce473514
101 changed files with 11711 additions and 10889 deletions
--- a/library/formats/iff/trcn.c
+++ b/library/formats/iff/trcn.c
@ -0,0 +1,100 @@
+/*
+    FileHandler - General-purpose file handling library for Niotso
+    trcn.c - Copyright (c) 2012 Niotso Project <http://niotso.org/>
+    Author(s): Ahmed El-Mahdawy <aa.mahdawy.10@gmail.com>
+               Fatbag <X-Fi6@phppoll.org>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose with or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "iffparser.h"
+
+int iff_parse_trcn(IFFChunk * ChunkInfo, const uint8_t * Buffer){
+    IFFRangeSet *RangeSet;
+    bytestream b;
+    unsigned i;
+
+    if(ChunkInfo->Size < 16)
+        return 0;
+    set_bytestream(&b, Buffer, ChunkInfo->Size);
+    ChunkInfo->FormattedData = calloc(1, sizeof(IFFRangeSet));
+    if(ChunkInfo->FormattedData == NULL)
+        return 0;
+
+    RangeSet = ChunkInfo->FormattedData;
+    RangeSet->Reserved = read_uint32(&b);
+    RangeSet->Version = read_uint32(&b);
+    memcpy(RangeSet->MagicNumber, b.Buffer, 4);
+    skipbytes(&b, 4);
+    RangeSet->RangeCount = read_uint32(&b);
+    if(RangeSet->Reserved != 0 || RangeSet->Version > 2)
+        return 0;
+    if(RangeSet->RangeCount == 0)
+        return 1;
+
+    RangeSet->Ranges = calloc(RangeSet->RangeCount, sizeof(IFFRangeEntry));
+    if(RangeSet->Ranges == NULL)
+        return 0;
+
+    for(i=0; i<RangeSet->RangeCount; i++){
+        unsigned s;
+        IFFRangeEntry * Range = &RangeSet->Ranges[i];
+        if(b.Size < 10)
+            return 0;
+
+        Range->IsUsed = read_uint32(&b);
+        Range->DefaultValue = read_uint32(&b);
+
+        for(s=0; s<2; s++){
+            char ** string = (s==0) ? &Range->Name : &Range->Comment;
+            if(b.Size == 0) return 0;
+
+            if(RangeSet->Version < 2){
+                /* C string, possible padding */
+                if(!read_c_string(&b, string))
+                    return 0;
+
+                /* Skip past the 0xA3 character;
+                ** see global.iff chunk 546 for why you can't do modulo-2 to detect this */
+                if(b.Size && *b.Buffer == 0xA3)
+                    skipbytes(&b, 1);
+            }else{
+                /* Extended Pascal string, no padding */
+                if(!read_pascal2_string(&b, string))
+                    return 0;
+            }
+        }
+
+        if(RangeSet->Version != 0){
+            if(b.Size < 5) return 0;
+            Range->Enforced = read_uint8(&b);
+            Range->RangeMin = read_uint16(&b);
+            Range->RangeMax = read_uint16(&b);
+        }
+    }
+
+    return 1;
+}
+
+void iff_free_trcn(void * FormattedData){
+    IFFRangeSet *RangeSet = FormattedData;
+    if(RangeSet->Ranges){
+        unsigned i;
+        for(i=0; i<RangeSet->RangeCount; i++){
+            IFFRangeEntry *Entry = &RangeSet->Ranges[i];
+            free(Entry->Name);
+            free(Entry->Comment);
+        }
+    }
+    free(RangeSet->Ranges);
+}