83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
#include "cbmd.h"
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#include "lz11.h"
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#include <stdlib.h>
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#include <string.h>
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typedef struct {
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char magic[4];
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u32 zero;
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u32 cgfxOffsets[CBMD_NUM_CGFXS];
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u8 padding[0x44];
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u32 cwavOffset;
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} CBMDHeader;
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static void* cbmd_build_data(u32* size, CBMD cbmd, bool bnr) {
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CBMDHeader header;
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memset(&header, 0, sizeof(header));
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memcpy(header.magic, "CBMD", sizeof(header.magic));
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u32 outputSize = sizeof(CBMDHeader);
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void* compressedCGFXs[14] = {NULL};
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u32 compressedCGFXSizes[14] = {0};
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for(u32 i = 0; i < CBMD_NUM_CGFXS; i++) {
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if(cbmd.cgfxs[i] != NULL) {
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header.cgfxOffsets[i] = outputSize;
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compressedCGFXs[i] = lz11_compress(&compressedCGFXSizes[i], cbmd.cgfxs[i], cbmd.cgfxSizes[i]);
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outputSize += compressedCGFXSizes[i];
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}
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}
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if(bnr) {
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outputSize = (outputSize + 0xF) & ~0xF;
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}
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if(cbmd.cwav != NULL) {
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header.cwavOffset = outputSize;
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outputSize += cbmd.cwavSize;
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}
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void* output = calloc(outputSize, sizeof(u8));
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if(output == NULL) {
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for(u32 i = 0; i < CBMD_NUM_CGFXS; i++) {
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if(cbmd.cgfxs[i] != NULL) {
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free(compressedCGFXs[i]);
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}
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}
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printf("ERROR: Could not allocate memory for CBMD data.\n");
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return NULL;
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}
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memcpy(output, &header, sizeof(header));
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for(u32 i = 0; i < CBMD_NUM_CGFXS; i++) {
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if(compressedCGFXs[i] != NULL) {
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memcpy(&((u8*) output)[header.cgfxOffsets[i]], compressedCGFXs[i], compressedCGFXSizes[i]);
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free(compressedCGFXs[i]);
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}
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}
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if(cbmd.cwav != NULL) {
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memcpy(&((u8*) output)[header.cwavOffset], cbmd.cwav, cbmd.cwavSize);
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}
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if(size != NULL) {
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*size = outputSize;
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}
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return output;
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}
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void* cbmd_build(u32* size, CBMD cbmd) {
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return cbmd_build_data(size, cbmd, false);
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}
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void* bnr_build(u32* size, CBMD cbmd) {
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return cbmd_build_data(size, cbmd, true);
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} |