Organize code structure, generate CBMD files without premade headers.

source/3ds/cbmd.cpp

@@ -0,0 +1,81 @@
+#include "cbmd.h"
+
+#include "lz11.h"
+
+#include <string.h>
+#include <malloc.h>
+
+typedef struct {
+    char magic[4] = {'C', 'B', 'M', 'D'};
+    u32 zero = 0;
+    u32 cgfxOffsets[14] = {0};
+    u8 padding[0x44] = {0};
+    u32 cwavOffset = 0;
+} CBMDHeader;
+
+u8* build_cbmd_data(CBMD cbmd, u32* size, bool bnr) {
+    u32 headerSize = sizeof(CBMDHeader);
+    CBMDHeader header;
+
+    u8* compressedCGFXs[14] = {0};
+    u32 compressedCGFXSizes[14] = {0};
+
+    u32 offset = headerSize;
+    for(int i = 0; i < 14; i++) {
+        if(cbmd.cgfxs[i] != NULL) {
+            compressedCGFXs[i] = lz11_compress(cbmd.cgfxs[i], cbmd.cgfxSizes[i], &compressedCGFXSizes[i]);
+            header.cgfxOffsets[i] = offset;
+            offset += compressedCGFXSizes[i];
+        }
+    }
+
+    u32 pad = 0;
+    if(bnr) {
+        pad = 16 - (offset % 16);
+        offset += pad;
+    }
+
+    if(cbmd.cwav != NULL) {
+        header.cwavOffset = offset;
+        offset += cbmd.cwavSize;
+    }
+
+    u8* output = (u8*) malloc(offset);
+    u32 pos = 0;
+
+    memcpy(output + pos, &header, headerSize);
+    pos += headerSize;
+
+    for(int i = 0; i < 14; i++) {
+        if(compressedCGFXs[i] != NULL) {
+            memcpy(output + pos, compressedCGFXs[i], compressedCGFXSizes[i]);
+            free(compressedCGFXs[i]);
+            compressedCGFXs[i] = NULL;
+            pos += compressedCGFXSizes[i];
+        }
+    }
+
+    if(bnr) {
+        memset(output + pos, 0, pad);
+        pos += pad;
+    }
+
+    if(cbmd.cwav != NULL) {
+        memcpy(output + pos, cbmd.cwav, cbmd.cwavSize);
+        pos += cbmd.cwavSize;
+    }
+
+    if(size != NULL) {
+        *size = offset;
+    }
+
+    return output;
+}
+
+u8* build_cbmd(CBMD cbmd, u32* size) {
+    return build_cbmd_data(cbmd, size, false);
+}
+
+u8* build_bnr(CBMD cbmd, u32* size) {
+    return build_cbmd_data(cbmd, size, true);
+}