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/*
* brlan.c
* BannerPlayer
*
* Created by Alex Marshall on 09/03/16.
* Copyright 2009 __MyCompanyName__. All rights reserved.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "brlan.h"
#include "types.h"
#include "endian.h"
char* BRLAN_rootpath = NULL;
u8* BRLAN_file = NULL;
u32 BRLAN_filesize = 0;
u8* BRLAN_startfile = NULL;
u32 BRLAN_startfilesize = 0;
int BRLAN_looping = 0;
void BRLAN_Initialize(char rootpath[])
{
char brlanpath[256];
sprintf(brlanpath, "%s/arc/anim/banner.brlan", rootpath);
FILE* fp = fopen(brlanpath, "rb");
if(fp == NULL) {
fprintf(stderr, "Couldn't find banner.brlan. Let's assume it's a looping banner then.\n");
BRLAN_looping = 1;
sprintf(brlanpath, "%s/arc/anim/banner_start.brlan", rootpath);
fp = fopen(brlanpath, "rb");
if(fp == NULL) {
fprintf(stderr, "No BRLAN file found. Quitting.\n");
exit(1);
}
fseek(fp, 0, SEEK_END);
BRLAN_startfilesize = ftell(fp);
fseek(fp, 0, SEEK_SET);
fread(BRLAN_startfile, BRLAN_startfilesize, 1, fp);
fclose(fp);
sprintf(brlanpath, "%s/arc/anim/banner_loop.brlan", rootpath);
fp = fopen(brlanpath, "rb");
if(fp == NULL) {
fprintf(stderr, "No BRLAN file found. Quitting.\n");
exit(1);
}
}else
BRLAN_looping = 0;
fseek(fp, 0, SEEK_END);
BRLAN_filesize = ftell(fp);
fseek(fp, 0, SEEK_SET);
fread(BRLAN_file, BRLAN_filesize, 1, fp);
fclose(fp);
}
#define MAXIMUM_TAGS_SIZE (0x1000)
fourcc tag_FourCCs[] = { "RLPA", "RLTS", "RLVI", "RLVC", "RLMC", "RLTP" };
static size_t BRLAN_fileoffset = 0;
static void BRLAN_ReadDataFromMemoryX(void* destination, void* input, size_t size)
{
u8* out = (u8*)destination;
u8* in = ((u8*)input) + BRLAN_fileoffset;
memcpy(out, in, size);
}
static void BRLAN_ReadDataFromMemory(void* destination, void* input, size_t size)
{
BRLAN_ReadDataFromMemoryX(destination, input, size);
BRLAN_fileoffset += size;
}
static void CreateGlobal_pai1(brlan_pai1_header_type2 *pai1_header, brlan_pai1_header_type1 pai1_header1,
brlan_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->framesize = pai1_header1.framesize;
pai1_header->flags = pai1_header1.flags;
pai1_header->unk1 = pai1_header1.unk1;
pai1_header->num_timgs = pai1_header1.num_timgs;
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(brlan_pai1_header_type2));
}
static 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;
}
static int FourCCInList(fourcc cc)
{
int i;
for(i = 0; i < 6; i++)
if(FourCCsMatch(cc, tag_FourCCs[i])) return 1;
return 0;
}
static void ReadTagFromBRLAN(BRLAN_animation **anims, int idx)
{
int taghead_location = BRLAN_fileoffset;
tag_header head;
tag_entry* entries;
tag_entryinfo* entryinfo;
BRLAN_ReadDataFromMemory(&head, BRLAN_file, sizeof(tag_header));
memcpy(anims[idx]->type, head.magic, 4);
anims[idx]->entrycount = head.entry_count;
int i, z;
entries = (tag_entry*)calloc(anims[idx]->entrycount, sizeof(tag_entry));
entryinfo = (tag_entryinfo*)calloc(anims[idx]->entrycount, sizeof(tag_entryinfo));
for(i = 0; i < anims[idx]->entrycount; i++) {
BRLAN_ReadDataFromMemory(&entries[i], BRLAN_file, sizeof(tag_entry));
}
for(i = 0; i < anims[idx]->entrycount; i++) {
BRLAN_fileoffset = be32(entries[i].offset) + taghead_location;
BRLAN_ReadDataFromMemory(&entryinfo[i], BRLAN_file, sizeof(tag_entryinfo));
anims[idx]->entries[i].animtype = be16(entryinfo[i].type);
anims[idx]->entries[i].tripletcount = be16(entryinfo[i].coord_count);
for(z = 0; z < be16(entryinfo[i].coord_count); z++) {
BRLAN_ReadDataFromMemory(&anims[idx]->entries[i].triplets[z], BRLAN_file, sizeof(f32) * 3);
anims[idx]->entries[i].triplets[z].frame = le32(anims[idx]->entries[i].triplets[z].frame);
anims[idx]->entries[i].triplets[z].value = le32(anims[idx]->entries[i].triplets[z].value);
anims[idx]->entries[i].triplets[z].blend = le32(anims[idx]->entries[i].triplets[z].blend);
}
}
free(entries);
free(entryinfo);
}
u16 BRLAN_ReadAnimations(BRLAN_animation **anims)
{
BRLAN_fileoffset = 0;
brlan_header header;
BRLAN_ReadDataFromMemoryX(&header, BRLAN_file, sizeof(brlan_header));
BRLAN_fileoffset = be16(header.pai1_offset);
brlan_pai1_universal universal;
BRLAN_ReadDataFromMemoryX(&universal, BRLAN_file, sizeof(brlan_pai1_universal));
int pai1_header_type;
brlan_pai1_header_type1 pai1_header1;
brlan_pai1_header_type2 pai1_header2;
brlan_pai1_header_type2 pai1_header;
if((be32(universal.flags) & (1 << 25)) >= 1) {
pai1_header_type = 2;
BRLAN_ReadDataFromMemory(&pai1_header2, BRLAN_file, sizeof(brlan_pai1_header_type2));
} else {
pai1_header_type = 1;
BRLAN_ReadDataFromMemory(&pai1_header1, BRLAN_file, sizeof(brlan_pai1_header_type1));
}
CreateGlobal_pai1(&pai1_header, pai1_header1, pai1_header2, pai1_header_type);
int tagcount = be16(pai1_header.num_entries);
u32 *taglocations = (u32*)calloc(tagcount, sizeof(u32));
*anims = (BRLAN_animation*)calloc(tagcount, sizeof(BRLAN_animation));
fourcc CCs[256];
memset(CCs, 0, 256*4);
BRLAN_fileoffset = be32(pai1_header.entry_offset) + be16(header.pai1_offset);
BRLAN_ReadDataFromMemory(taglocations, BRLAN_file, tagcount * sizeof(u32));
int animcnt = 1;
int i;
for(i = 0; i < tagcount; i++) {
BRLAN_fileoffset = be32(taglocations[i]) + be16(header.pai1_offset);
brlan_entry tmpentry;
BRLAN_ReadDataFromMemory(&tmpentry, BRLAN_file, sizeof(brlan_entry));
if((be32(tmpentry.flags) & (1 << 25)) >= 1)
BRLAN_fileoffset += sizeof(u32);
memcpy(anims[animcnt]->name, tmpentry.name, 20);
fourcc magick;
BRLAN_ReadDataFromMemoryX(magick, BRLAN_file, 4);
memcpy(CCs[i], magick, 4);
if(FourCCInList(CCs[i]) == 1) {
anims[animcnt]->offset = BRLAN_fileoffset;
ReadTagFromBRLAN(anims, animcnt);
animcnt++;
}
}
return tagcount;
}
void BRLAN_Finish()
{
if(BRLAN_file != NULL)
free(BRLAN_file);
if(BRLAN_startfile != NULL)
free(BRLAN_startfile);
}
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