Initial commit

4 files changed, 475 insertions, 0 deletions

diff --git a/brlan.h b/brlan.h
new file mode 100755
index 0000000..d3fe66e
--- /dev/null
+++ b/brlan.h
@@ -0,0 +1,104 @@
+#ifndef BRLAN_H_
+#define BRLAN_H_
+
+#include "types.h"
+
+typedef char fourcc[4];
+
+typedef enum
+{
+	RLPA_ENTRY	= 0
+} entry_type;
+
+typedef struct
+{
+	char		magic[4];		// "pai1" in ASCII.
+	u32		size;			// Size of section, which is rest of the file. (header.file_size - header.offset_pai1)
+	u32		unk1;			// Unknown?
+	u16		flags;			// Flags?
+	u16		num_entries;		// Number of tags in the brlan.
+	u32		unk2;			// Only if bit 25 of flags is set.
+	u32		entry_offset;		// Offset to entries. (Relative to start of pai1 header.)
+} pai1_header_type2;
+
+typedef struct
+{
+	char		magic[4];		// "RLAN" in ASCII.
+	u32		unk1;			// Always 0xFEFF 0x0008. Possibly a versioning string.
+	u32		file_size;		// Size of whole file, including the header.
+	u16		pai1_offset;		// The offset to the pai1 header from the start of file.
+	u16		pai1_count;		// How many pai1 sections there are (duh, only 1... wtf?)
+} brlan_header;
+
+typedef struct
+{
+	char		magic[4];		// "pai1" in ASCII.
+	u32		size;			// Size of section, which is rest of the file. (header.file_size - header.offset_pai1)
+	u32		unk1;			// Unknown
+	u16		flags;			// Flags
+	u16		num_entries;		// Number of tags in the brlan.
+} pai1_universal;
+
+typedef struct
+{
+	char		magic[4];		// "pai1" in ASCII.
+	u32		size;			// Size of section, which is rest of the file. (header.file_size - header.offset_pai1)
+	u32		unk1;			// Unknown?
+	u16		flags;			// Flags?
+	u16		num_entries;		// Number of tags in the brlan.
+	u32		entry_offset;		// Offset to entries. (Relative to start of pai1 header.)
+} pai1_header_type1;
+
+typedef struct
+{
+	char		name[20];		// Name of the BRLAN entry. (Must be defined in the BRLYT)
+	u32		flags;			// Flags? (If bit 25 is set, we have another u32 after the entry. It's use is unknown.)
+	u32		anim_header_len;	// Length of the animation header which is directly after this entry.
+} brlan_entry;
+
+typedef struct
+{
+	char		magic[4];		// "RLPA" in ASCII
+	u8		entry_count;		// How many entries in this chunk.
+	u8		pad1;			// All cases I've seen is zero.
+	u8		pad2;			// All cases I've seen is zero.
+	u8		pad3;			// All cases I've seen is zero.
+} RLPA_header;
+
+typedef struct
+{
+	u32		offset;			// Offset to the data pointed to by this entry.
+						// Relative to the start of the RLPA header.
+} RLPA_entry;
+
+typedef struct
+{
+	u32		flags;			// Flags?
+	u16		coord_count;		// How many coordinates.
+	u16		pad1;			// All cases I've seen is zero.
+	u32		unk1;			// ??? In every case I've seen, it is \x00\x00\x00\x0C.
+} RLPA_entryinfo;
+
+typedef struct
+{						// Bits not listed here are currently unknown.
+	u32		part1;			// If Bit 9 is set in flags, this is an f32, with a coordinate. (Bit 17 seems to act the same)
+	u32		part2;			// If Bit 16 is set in flags, this is an f32, with another coordinate. (Bit 17 seems to act the same)
+	u32		part3;			// With Bit 16 set in flags, this seems to be yet another coordinate. (Bit 17 seems to act the same)
+} RLPA_data;
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#endif //BRLAN_H_
+
diff --git a/endian.h b/endian.h
new file mode 100755
index 0000000..4c12e6b
--- /dev/null
+++ b/endian.h
@@ -0,0 +1,38 @@
+#ifndef _ENDIAN_H_
+#define _ENDIAN_H_
+
+#include "types.h"
+
+//#define be16(x)		((x>>8)|(x<<8))
+//#define be32(x)		((x>>24)|((x<<8)&0x00FF0000)|((x>>8)&0x0000FF00)|(x<<24))
+//#define be64(x)		((x>>56)|((x<<40)&(u64)0x00FF000000000000)|((x<<24)&(u64)0x0000FF0000000000)|((x<<8)&(u64)0x000000FF00000000)|((x>>8)&(u64)0x00000000FF000000)|((x>>24)&(u64)0x0000000000FF0000)|((x<<40)&(u64)0x000000000000FF00)|(x<<56))
+
+u16 be16(u16 x)
+{
+    return (x>>8) | 
+        (x<<8);
+}
+
+u32 be32(u32 x)
+{
+    return (x>>24) | 
+        ((x<<8) & 0x00FF0000) |
+        ((x>>8) & 0x0000FF00) |
+        (x<<24);
+}
+
+// __int64 for MSVC, "long long" for gcc
+u64 be64(u64 x)
+{
+    return (x>>56) | 
+        ((x<<40) & (u64)0x00FF000000000000) |
+        ((x<<24) & (u64)0x0000FF0000000000) |
+        ((x<<8)  & (u64)0x000000FF00000000) |
+        ((x>>8)  & (u64)0x00000000FF000000) |
+        ((x>>24) & (u64)0x0000000000FF0000) |
+        ((x>>40) & (u64)0x000000000000FF00) |
+        (x<<56);
+}
+
+#endif //_ENDIAN_H_
+
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..3501fa8
--- /dev/null
+++ b/main.c
@@ -0,0 +1,317 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "brlan.h"
+#include "endian.h"
+
+//#define DEBUGBRLAN
+
+#ifdef DEBUGBRLAN
+#define dbgprintf	printf
+#else
+#define dbgprintf	//
+#endif //DEBUGBRLAN
+
+char RLPA_FourCC[] = "RLPA";
+
+size_t fileoffset = 0;
+
+void ReadDataFromMemoryX(void* destination, void* input, size_t size)
+{
+	u8* out = (u8*)destination;
+	u8* in = ((u8*)input) + fileoffset;
+	memcpy(out, in, size);
+}
+
+void ReadDataFromMemory(void* destination, void* input, size_t size)
+{
+	ReadDataFromMemoryX(destination, input, size);
+	fileoffset += size;
+}
+
+void CreateGlobal_pai1(pai1_header_type2 *pai1_header, pai1_header_type1 pai1_header1, pai1_header_type2 pai1_header2, int pai1_header_type)
+{
+	if(pai1_header_type == 1) {
+		pai1_header->magic[0]		= pai1_header1.magic[0];
+		pai1_header->magic[1]		= pai1_header1.magic[1];
+		pai1_header->magic[2]		= pai1_header1.magic[2];
+		pai1_header->magic[3]		= pai1_header1.magic[3];
+		pai1_header->size		= pai1_header1.size;
+		pai1_header->unk1		= pai1_header1.unk1;
+		pai1_header->flags		= pai1_header1.flags;
+		pai1_header->num_entries	= pai1_header1.num_entries;
+		pai1_header->unk2		= 0;
+		pai1_header->entry_offset	= pai1_header1.entry_offset;
+	}else
+		memcpy(pai1_header, &pai1_header2, sizeof(pai1_header_type2));
+}
+
+void DisplayRLPAData(u32 flags, RLPA_data data)
+{
+	u32 p1 = be32(data.part1);
+	u32 p2 = be32(data.part2);
+	u32 p3 = be32(data.part3);
+	if((flags & (1 << 9)) >= 1)
+		printf("					Coordinate 1: %f\n", *(f32*)(&p1));
+	else if((flags & (1 << 17)) >= 1)
+		printf("					Coordinate 1: %f\n", *(f32*)(&p1));
+	else
+		printf("					Part 1: %08x\n", p1);
+	if((flags & (1 << 16)) >= 1)
+		printf("					Coordinate 2: %f\n", *(f32*)(&p2));
+	else if((flags & (1 << 17)) >= 1)
+		printf("					Coordinate 2: %f\n", *(f32*)(&p2));
+	else
+		printf("					Part 2: %08x\n", p2);
+	if((flags & (1 << 16)) >= 1)
+		printf("					Coordinate 3: %f\n", *(f32*)(&p3));
+	else if((flags & (1 << 17)) >= 1)
+		printf("					Coordinate 3: %f\n", *(f32*)(&p3));
+	else
+		printf("					Part 3: %08x\n", p3);
+}
+
+int FourCCsMatch(fourcc cc1, fourcc cc2)
+{
+	if((cc1[0] == cc2[0]) && (cc1[1] == cc2[1]) && (cc1[2] == cc2[2]) && (cc1[3] == cc2[3]))
+		return 1;
+	else
+		return 0;
+}
+
+void DisplayRLPAInformation(int idx, RLPA_header* heads, RLPA_entry** entriesx,
+				RLPA_entryinfo** entryinfosx, RLPA_data*** datasxx)
+{
+	RLPA_header head = heads[idx];
+	RLPA_entry* entries = entriesx[idx];
+	RLPA_entryinfo* entryinfos = entryinfosx[idx];
+	RLPA_data** datas = datasxx[idx];
+
+	printf("		Magic: %c%c%c%c\n", head.magic[0], head.magic[1], head.magic[2], head.magic[3]);
+	printf("		Number of entries: %u\n", head.entry_count);
+	printf("		Unk1: %02x\n", head.pad1);
+	printf("		Unk2: %02x\n", head.pad2);
+	printf("		Unk3: %02x\n", head.pad3);
+	int i, z;
+	printf("		Entries:\n");
+	for(i = 0; i < head.entry_count; i++) {
+		printf("			Index: %u\n", i);
+		printf("				Offset: %lu\n", be32(entries[i].offset));
+		printf("				Flags: %08x\n", be32(entryinfos[i].flags));
+		printf("				Unk1: %04x\n", be16(entryinfos[i].pad1));
+		printf("				Unk2: %08x\n", be32(entryinfos[i].unk1));
+		printf("				Data Count: %u\n", be16(entryinfos[i].coord_count));
+		for(z = 0; z < be16(entryinfos[i].coord_count); z++)
+			DisplayRLPAData(be32(entryinfos[i].flags), datas[i][z]);
+	}
+}
+
+void ReadRLPAFromBRLAN(int idx, u8* brlan_file, RLPA_header *head, RLPA_entry** entries,
+		  RLPA_entryinfo** entryinfo, RLPA_data*** data)
+{
+	int rlpahead_location = fileoffset;
+	ReadDataFromMemory(&head[idx], brlan_file, sizeof(RLPA_header));
+	dbgprintf("read header. entry count %d\n", head[idx].entry_count);
+	int i, z;
+	entries[idx] = realloc(entries[idx], sizeof(RLPA_entry) * head[idx].entry_count);
+	dbgprintf("reallocated entries[idx]\n");
+	entryinfo[idx] = realloc(entryinfo[idx], sizeof(RLPA_entryinfo) * head[idx].entry_count);
+	dbgprintf("reallocated entryinfo[idx]\n");
+	if(data[idx] == NULL) {
+		dbgprintf("callocating data[idx]\n");
+		data[idx] = (RLPA_data**)malloc(sizeof(RLPA_data*) * head[idx].entry_count);
+		dbgprintf("callocated data[idx]\n");
+	}else{
+		dbgprintf("reallocating data[idx] %08x\n", data[idx]);
+		data[idx] = (RLPA_data**)realloc(data[idx], sizeof(RLPA_data*) * head[idx].entry_count);
+		dbgprintf("reallocated data[idx]\n");
+	}
+	for(i = 0; i < head[idx].entry_count; i++) {
+		dbgprintf("reading entry %d 0x%08x\n", i, &entries[idx][i]);
+		ReadDataFromMemory(&entries[idx][i], brlan_file, sizeof(RLPA_entry));
+		dbgprintf("read entry.\n");
+	}
+	for(i = 0; i < head[idx].entry_count; i++) {
+		dbgprintf("i %d cnt %d\n", i, head[idx].entry_count);
+		fileoffset = be32(entries[idx][i].offset) + rlpahead_location;
+		dbgprintf("read entry infos. 0x%08x\n", &entryinfo[idx][i]);
+		ReadDataFromMemory(&entryinfo[idx][i], brlan_file, sizeof(RLPA_entryinfo));
+		dbgprintf("read entry info 0x%08x. %u\n", &data[idx][i][0], be16(entryinfo[idx][i].coord_count));
+		data[idx][i] = realloc(NULL, sizeof(RLPA_data) * be16(entryinfo[idx][i].coord_count));
+		dbgprintf("reallocated data[i].\n");
+		for(z = 0; z < be16(entryinfo[idx][i].coord_count); z++) {
+			dbgprintf("reading data 0x%08x\n", &data[idx][i][z]);
+			ReadDataFromMemory(&data[idx][i][z], brlan_file, sizeof(RLPA_data));
+			dbgprintf("read data.\n");
+		}
+	}
+}
+
+void parse_brlan(char* filename)
+{
+	FILE* fp = fopen(filename, "rb");
+	if(fp == NULL) {
+		printf("Error! Couldn't open %s!\n", filename);
+		exit(1);
+	}
+	fseek(fp, 0, SEEK_END);
+	int file_size = ftell(fp);
+	dbgprintf("Filesize is %d\n", file_size);
+	u8* brlan_file = (u8*)malloc(file_size);
+	dbgprintf("brlan_file allocated\n");
+	fseek(fp, 0, SEEK_SET);
+	fread(brlan_file, file_size, 1, fp);
+	dbgprintf("brlan_file read to.\n");
+
+	brlan_header header;
+	ReadDataFromMemoryX(&header, brlan_file, sizeof(brlan_header));
+	dbgprintf("brlan_header read to.\n");
+	fileoffset = be16(header.pai1_offset);
+	pai1_universal universal;
+	ReadDataFromMemoryX(&universal, brlan_file, sizeof(pai1_universal));
+	dbgprintf("pa1_universal read to.\n");
+	
+	int pai1_header_type;
+	pai1_header_type1 pai1_header1;
+	pai1_header_type2 pai1_header2;
+	pai1_header_type2 pai1_header;
+
+	if((be32(universal.flags) & (1 << 25)) >= 1) {
+		pai1_header_type = 2;
+		ReadDataFromMemory(&pai1_header2, brlan_file, sizeof(pai1_header_type2));
+	} else {
+		pai1_header_type = 1;
+		ReadDataFromMemory(&pai1_header1, brlan_file, sizeof(pai1_header_type1));
+	}
+	dbgprintf("pai1 headers gotten.\n");
+	
+	CreateGlobal_pai1(&pai1_header, pai1_header1, pai1_header2, pai1_header_type);
+	dbgprintf("pai1 global created.\n");
+	
+	int tagcount = be16(pai1_header.num_entries);
+	dbgprintf("tagcount done.\n");
+	u32 *taglocations = (u32*)calloc(tagcount, sizeof(u32));
+	dbgprintf("allocated tag locations.\n");
+	fourcc CCs[256];
+	memset(CCs, 0, 256*4);
+	dbgprintf("allocated fourccs.\n");
+	ReadDataFromMemory(taglocations, brlan_file, tagcount * sizeof(u32));
+	dbgprintf("read tag locations.\n");
+	brlan_entry *tag_entries = (brlan_entry*)calloc(tagcount, sizeof(brlan_entry));
+	dbgprintf("tag entries allocated.\n");
+	RLPA_header *RLPA_heads = NULL;
+	dbgprintf("rlpa heads created.\n");
+	RLPA_entry **RLPA_entries = NULL;
+	dbgprintf("rlpa entries created.\n");
+	RLPA_entryinfo **RLPA_entryinfos = NULL;
+	dbgprintf("rlpa entry infos created.\n");
+	RLPA_data ***RLPA_datas = NULL;
+	dbgprintf("rlpa datas created.\n");
+	int RLPA_cnt = 1;
+	int i;
+	for(i = 0; i < tagcount; i++) {
+		fileoffset = be32(taglocations[i]) + be16(header.pai1_offset);
+		dbgprintf("fileoffset set.\n");
+		ReadDataFromMemory(&(tag_entries[i]), brlan_file, sizeof(brlan_entry));
+		dbgprintf("got tag entry.\n");
+		if((be32(tag_entries[i].flags) & (1 << 25)) >= 1) {
+			fileoffset += sizeof(u32);
+			dbgprintf("skipped extra.\n");
+		}
+		u8 magick[4];
+		ReadDataFromMemoryX(magick, brlan_file, 4);
+		memcpy(CCs[i], magick, 4);
+		dbgprintf("read fourcc from %04x %02x%02x%02x%02x.\n", fileoffset, magick[0], magick[1], magick[2], magick[3]);
+		if(FourCCsMatch(RLPA_FourCC, CCs[i]) == 1) {
+			dbgprintf("we found a rlpa.\n");
+			RLPA_heads = realloc(RLPA_heads, sizeof(RLPA_header) * RLPA_cnt);
+			dbgprintf("reallocated rlpa heads.\n");
+			RLPA_entries = realloc(RLPA_entries, sizeof(RLPA_entry) * RLPA_cnt * 20);
+			dbgprintf("reallocated rlpa entries.\n");
+			RLPA_entryinfos = realloc(RLPA_entryinfos, sizeof(RLPA_entryinfo) * RLPA_cnt * 20);
+			dbgprintf("reallocated rlpa entryinfos.\n");
+			RLPA_datas = realloc(RLPA_datas, sizeof(RLPA_data) * RLPA_cnt * 20 * 6);
+			dbgprintf("reallocated rlpa datas.\n");
+			if(RLPA_heads == NULL) {
+				printf("Error allocating heads.\n");
+				exit(2);
+			}
+			if(RLPA_entries == NULL) {
+				printf("Error allocating entries.\n");
+				exit(2);
+			}
+			if(RLPA_entryinfos == NULL) {
+				printf("Error allocating entryinfos.\n");
+				exit(2);
+			}
+			if(RLPA_datas == NULL) {
+				printf("Error allocating datas.\n");
+				exit(2);
+			}
+			ReadRLPAFromBRLAN(RLPA_cnt - 1, brlan_file, RLPA_heads, RLPA_entries,
+						RLPA_entryinfos, RLPA_datas);
+			RLPA_cnt++;
+		}
+		dbgprintf("looping.\n");
+	}
+	
+	printf("Parsed BRLAN! Information:\n");
+	printf("Main header:\n");
+	printf("	Magic: %c%c%c%c\n", header.magic[0], header.magic[1], header.magic[2], header.magic[3]);
+	printf("	Filesize: %lu\n", be32(header.file_size));
+	printf("		%s real file size!\n", be32(header.file_size) == file_size ? "Matches" : "Does not match");
+	printf("	pai1 Offset: %04x\n", be16(header.pai1_offset));
+	printf("	pai1 Count: %04x\n", be16(header.pai1_count));
+	printf("\npai1 header:\n");
+	printf("	Type: %d\n", pai1_header_type);
+	printf("	Magic: %c%c%c%c\n", pai1_header.magic[0], pai1_header.magic[1], pai1_header.magic[2], pai1_header.magic[3]);
+	printf("	Size: %lu\n", be32(pai1_header.size));
+	printf("	unk1: %08lx\n", be32(pai1_header.unk1));
+	printf("	Flags: %04x\n", be16(pai1_header.flags));
+	printf("	Number of Entries: %u\n", be16(pai1_header.num_entries));
+	printf("	unk2: %08lx\n", be32(pai1_header.unk2));
+	printf("	Offset to Entries: 0x%08lx\n", be32(pai1_header.entry_offset));
+	printf("\nBRLAN entries:");
+	RLPA_cnt = 0;
+	for(i = 0; i < tagcount; i++) {
+		printf("\n	Index: %u\n", i);
+		printf("		Name: %s\n", tag_entries[i].name);
+		printf("		Flags: %08x\n", be32(tag_entries[i].flags));
+		printf("		Animation Header Length: %lu\n", be32(tag_entries[i].anim_header_len));		
+		printf("		FourCC: %c%c%c%c\n", CCs[i][0], CCs[i][1], CCs[i][2], CCs[i][3]);
+		if(FourCCsMatch(RLPA_FourCC, CCs[i]) == 1) {
+			dbgprintf("found rlpa. cnt %d.\n", RLPA_cnt);
+			DisplayRLPAInformation(RLPA_cnt, RLPA_heads, RLPA_entries, RLPA_entryinfos, RLPA_datas);
+			RLPA_cnt++;
+		}else{
+			printf("		Sorry, this type is currently unsupported.\n");
+		}
+	}
+	free(brlan_file);
+	fclose(fp);
+}
+
+int main(int argc, char* argv[])
+{
+	parse_brlan(argv[1]);
+	return 0;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/types.h b/types.h
new file mode 100755
index 0000000..4fbc764
--- /dev/null
+++ b/types.h
@@ -0,0 +1,16 @@
+#ifndef __TYPEDEFS_H_
+#define __TYPEDEFS_H_
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned long u32;
+typedef unsigned long long u64;
+typedef signed char s8;
+typedef signed short s16;
+typedef signed long s32;
+typedef signed long long s64;
+
+typedef float f32;
+typedef double f64;
+
+#endif //__TYPEDEFS_H_