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eqemu-server/utils/deprecated/azone2/zon.cpp
KimLS cd0824ee71 Moved some around, more renames
2014-08-21 22:43:33 -07:00

434 lines
14 KiB
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// This source is from OpenEQ by Daeken et al. Modified a bit by Derision, some bug fixes etc.
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include "3d.hpp"
#include "zon.hpp"
//#define DEBUGEQG
//#define DEBUGPLAC
ZonLoader::ZonLoader() {
this->buffer = nullptr;
this->buf_len = -1;
this->archive = nullptr;
this->status = 0;
}
ZonLoader::~ZonLoader() {
this->Close();
}
int ZonLoader::Open(char *base_path, char *zone_name, Archive *archive) {
uchar *buffer, *orig_buffer;
int buf_len;
Texture **tex;
int tex_count, tex_tmp, *tex_map;
int i, j, k, l;
char **model_names;
char *filename;
uchar *zon_tmp, *zon_orig;
float rot_change = 180.0f / 3.14159f;
// float rot_change = 1.0f;
float base[3];
#ifdef DEBUGEQG
printf("Attempting to load EQG %s\n", zone_name);
#endif
filename = new char[strlen(zone_name) + 5];
//sprintf(filename, "%s.zon", zone_name);
// Derision: .zon name is not always the same as the EQG base name. Added wildcard ability to the PFS GetFile
// routine.
sprintf(filename, "*.zon");
#ifdef DEBUGEQG
printf("Looking for ZON file %s\n", filename);
archive->GetFile("*.zon", &buffer, &buf_len);
#endif
if(!archive->GetFile(filename, &buffer, &buf_len)) {
#ifdef DEBUGEQG
printf("Couldn't find ZON file\n");
printf("%s\n", zone_name);
#endif
// Look in the filesystem for the .ZON file.
char *FSZonName = new char[strlen(zone_name) + 6];
sprintf(FSZonName, "%s.zon", zone_name);
// Hack incoming for westkorlach zones because the zon filename for e.g. westkorlacha is westkorlachA
if(!strncmp(FSZonName, "westkorlach", 11))
FSZonName[11] = toupper(FSZonName[11]);
printf(".ZON file not found inside EQG. Looking for %s in filesystem. ", FSZonName);
FILE *FSZon = fopen(FSZonName, "rb");
delete [] FSZonName;
if(FSZon) {
printf("Found.\n");
fseek(FSZon, 0, SEEK_END);
long FSZonSize = ftell(FSZon);
fseek(FSZon, 0, SEEK_SET);
// printf("File size is %d\n", FSZonSize);
buffer = new uchar[FSZonSize];
fread(buffer, FSZonSize, 1, FSZon);
// printf("Read file\n");
}
else {
printf("\n.ZON file not present inside EQG file. Did not find it in the filesystem either.\n");
return 0;
}
}
delete[] filename;
orig_buffer = buffer;
zon_header *hdr = (zon_header *) buffer;
zon_placeable *plac;
if(hdr->magic[0] != 'E' || hdr->magic[1] != 'Q' || hdr->magic[2] != 'G' || hdr->magic[3] != 'Z')
return 0;
buffer += sizeof(zon_header);
// The original OpenEQ code I found assumed the first filename was the .TER file. This
// is not always the case.
//
#ifdef DEBUGEQG
printf("Seeking .TER file\n");
#endif
uchar *StartOfModelNames = buffer;
while(strcmp((char *)(buffer+strlen((char *)buffer))-3, "TER"))
buffer += strlen((char *)buffer) + 1;
#ifdef DEBUGEQG
printf("Found .TER file %s\n", (char *)buffer);
#endif
this->terloader.Open(nullptr, (char *) buffer, archive);
buffer = StartOfModelNames;
this->model_data.zone_model = terloader.model_data.zone_model;
// Derision:
// After the ZON header, there is a list of strings like this (using guildhall.EQG as an example)
// TER_GuildHall.TER
// TER_GuildHall
// OBJ_sun_frame.MOD
// OBJ_sun_frame
// OBJ_chandelier.MOD
// OBJ_chandelier
// OBJ_key_door_open_.MOD
// OBJ_key_door_open_01
// OBJ_key_door_open_02
// OBJ_key_door_.MOD
// OBJ_key_door_01
// OBJ_key_door_02
// OBJ_key_door_03
//
// This format appears to be Mesh (model) filename, followed by a list of objects that use that model.
// So we have the zone model (ground mesh), i.e. the .TER file, which is used by object 'TER_Guildhall',
// then a list of placeable models. It would appear that one .MOD file can be used by multiple objects,
// i.e. the key_door_open and key_door models in the example above.
//
// After this list, there is a list of hdr->NumberOfModels longs, one for each Model. Each long is an offset into
// the list above, pointing to the .MOD file for that model.
zon_orig = buffer;
zon_tmp = buffer + hdr->list_len;
// Create an array of Model filenames and populate it using the offsets
//
buffer = zon_orig + hdr->list_len;
model_names = new char *[hdr->NumberOfModels];
for(int ModelNumber=0; ModelNumber< hdr->NumberOfModels; ModelNumber++) {
long offset = *((long *)(buffer+ModelNumber*4));
model_names[ModelNumber] = (char *)(zon_orig + offset);
//
// Derision: 23/06/08
// dranikcatacombsa.eqg has a couple of model names with a left parenthesis where there should
// be an underscore. E.g. OBP_DZ_Lbanner0)_00.MOD instead of OBP_DZ_Lbanner0__00.MOD
// This is the only zone I have seen this in, but is the reason for the follow code to replace
// the parenthesis with an underscore.
//
for(unsigned int i=0; i<strlen(model_names[ModelNumber]); i++)
if(model_names[ModelNumber][i] == ')') {
model_names[ModelNumber][i] = '_';
printf("***** Replacing parenthesis with underscore in model name %s\n", model_names[ModelNumber]);
}
// printf("Model name %d is %s\n", ModelNumber, model_names[ModelNumber]);
}
this->model_data.model_count = hdr->NumberOfModels;
#if defined(DEBUGEQG) || defined(DEBUGPLAC)
printf("model_data.model_count is %d\n", this->model_data.model_count);
fflush(stdout);
#endif
this->model_data.models = new Model *[this->model_data.model_count];
// Skip over the
buffer = zon_orig + hdr->list_len + hdr->NumberOfModels * 4;
this->model_data.plac_count = hdr->obj_count - 1;
/*
if(hdr->version > 1) {
// Don't understand the complete format of version 2 zons
this->model_data.plac_count = 0;
}
*/
#ifdef DEBUGPLAC
printf(" Placeable count is %d\n", this->model_data.plac_count);
#endif
this->model_data.placeable = new Placeable *[this->model_data.plac_count];
plac = (zon_placeable *) buffer;
base[0] = plac->x;
base[1] = plac->y;
base[2] = plac->z;
// printf("(%f %f %f) (%f %f %f)\n", plac->x, plac->y, plac->z, plac->rz, plac->ry, plac->rx);
buffer += sizeof(zon_placeable);
if(hdr->version > 1) {
long UnknownSize = *((long *)(buffer));
// printf("Unknown Size is %d\n", UnknownSize);
buffer = buffer + 4 + (UnknownSize * 4);
}
#ifdef DEBUGEQG
printf("TER.CPP:107 model_data.plac_count is %d\n", this->model_data.plac_count);
#endif
for(i = 0; i < this->model_data.plac_count; ++i) {
plac = (zon_placeable *) buffer;
zon_tmp = zon_orig + plac->loc;
this->model_data.placeable[i] = new Placeable;
this->model_data.placeable[i]->model = plac->id ;
this->model_data.placeable[i]->x = plac->x;
this->model_data.placeable[i]->y = plac->y;
this->model_data.placeable[i]->z = plac->z;
this->model_data.placeable[i]->rx = plac->rz * rot_change;
this->model_data.placeable[i]->ry = plac->ry * rot_change;
this->model_data.placeable[i]->rz = plac->rx * rot_change;
this->model_data.placeable[i]->scale[0] = plac->scale;
this->model_data.placeable[i]->scale[1] = plac->scale;
this->model_data.placeable[i]->scale[2] = plac->scale;
#ifdef DEBUG_MODE
printf("%s (%f %f %f) (%f %f %f) %f\n",
zon_tmp,
this->model_data.placeable[i]->x,
this->model_data.placeable[i]->y,
this->model_data.placeable[i]->z,
this->model_data.placeable[i]->rx,
this->model_data.placeable[i]->ry,
this->model_data.placeable[i]->rz,
this->model_data.placeable[i]->scale);
#endif
if(this->model_data.placeable[i]->model == -1) {
printf("Unable to find model for offset %5ld\n", plac->loc);
}
#ifdef DEBUGPLAC
printf(" Placeable object %i Model no. %d at (%4.2f, %4.2f, %4.2f)\n", i, this->model_data.placeable[i]->model, plac->x,plac->y, plac->z);
#endif
buffer += sizeof(zon_placeable);
if(hdr->version > 1) {
long UnknownSize = *((long *)(buffer));
buffer = buffer + 4 + (UnknownSize * 4);
}
}
model_loaders = new TERLoader[this->model_data.model_count];
tex_count = this->model_data.zone_model->tex_count;
#ifdef DEBUGEQG
printf("zon.cpp line 154 zm tex count is %d\n", this->model_data.zone_model->tex_count);
#endif
for(j = 0; j < this->model_data.model_count; ++j) {
// We have already loaded the zone mesh, so skip the .TER file when processing models.
//
if(!(strcmp(model_names[j]+strlen(model_names[j])-3, "ter"))) {
// printf("Skipping .TER file at model number %d\n", j);
this->model_data.models[j] = nullptr;
continue;
}
// printf("Attempting to open MOD file %s\n", model_names[j]); fflush(stdout);
if(model_loaders[j].Open(nullptr, model_names[j], archive)) {
this->model_data.models[j] = new Model;
this->model_data.models[j]->vert_count = model_loaders[j].model_data.zone_model->vert_count;
this->model_data.models[j]->poly_count = model_loaders[j].model_data.zone_model->poly_count;
this->model_data.models[j]->tex_count = model_loaders[j].model_data.zone_model->tex_count;
this->model_data.models[j]->verts = model_loaders[j].model_data.zone_model->verts;
this->model_data.models[j]->polys = model_loaders[j].model_data.zone_model->polys;
this->model_data.models[j]->tex = model_loaders[j].model_data.zone_model->tex;
this->model_data.models[j]->name = new char[strlen(model_names[j])+1];
strcpy(this->model_data.models[j]->name, model_names[j]);
tex_tmp = 1;
// I think this is looking to see if the placeable model textures already exist in the zone model.
//
for(i = 0; i < this->model_data.models[j]->tex_count; ++i) {
tex_tmp = 1; // Derision
for(k = 0; k < this->model_data.zone_model->tex_count; ++k) {
// printf(" Checking zm tex filename %s againt model filename %s\n", this->model_data.zone_model->tex[k]->filenames[0],
// this->model_data.models[j]->tex[i]->filenames[0]);
if((!this->model_data.zone_model->tex[k]->filenames[0] && !this->model_data.models[j]->tex[i]->filenames[0]) ||
(this->model_data.zone_model->tex[k]->filenames[0] &&
this->model_data.models[j]->tex[i]->filenames[0] &&
!strcmp(this->model_data.zone_model->tex[k]->filenames[0], this->model_data.models[j]->tex[i]->filenames[0]))) {
tex_tmp = 0;
break;
}
}
if(tex_tmp)
++tex_count;
else {
for(k = 0; k < j; ++k) {
if(!this->model_data.models[k]) {
#ifdef DEBUGEQG
printf("nullptr this->model_data.models[k])\n");
#endif
continue;
}
for(l = 0; l < this->model_data.models[k]->tex_count; ++l) {
if(this->model_data.models[k]->tex[l]->filenames[0] == this->model_data.models[j]->tex[i]->filenames[0] ||
(this->model_data.models[k]->tex[l]->filenames[0] &&
this->model_data.models[j]->tex[i]->filenames[0] &&
!strcmp(this->model_data.models[k]->tex[l]->filenames[0], this->model_data.models[j]->tex[i]->filenames[0]))) {
tex_tmp = 0;
break;
}
}
}
if(tex_tmp)
++tex_count;
}
}
}
else this->model_data.models[j] = nullptr;
}
// printf("Tex count is %i %X\n", tex_count, tex_count);
// Allocate a new Texture array
tex_count = 0;
tex_tmp = 1;
// Set the first tex_count textures in the new Texture array to the textures from the zone model
// For i in each model
for(i = 0; i < this->model_data.model_count; ++i) {
if(!this->model_data.models[i]) {
#ifdef DEBUGEQG
printf("nullptr this->model_data.models[i])\n");
#endif
continue;
}
// For j = each texture in this model
for(j = 0; j < this->model_data.models[i]->tex_count; ++j) {
tex_tmp = 1; // Derision
// for k = each texture in the zone model
for(k = 0; k < tex_count; ++k) {
// if the texture filenames are at the same address or, the texture filenames are the same, we set tex_tmp to 0
if(tex[k]->filenames[0] == this->model_data.models[i]->tex[j]->filenames[0] ||
(tex[k]->filenames[0] &&
this->model_data.models[i]->tex[j]->filenames[0] &&
!strcmp(tex[k]->filenames[0], this->model_data.models[i]->tex[j]->filenames[0]))) {
tex_tmp = 0;
break;
}
}
// if tex_tmp is 0, i.e. this texture is not in the zone model, we add this texture to our new Texture array, at the end
if(tex_tmp) {
tex[tex_count] = this->model_data.models[i]->tex[j];
++tex_count;
}
}
}
for(i = 0; i < this->model_data.model_count; ++i) {
if(!this->model_data.models[i]) {
#ifdef DEBUGEQG
printf(">nullptr this->model_data.models[i])\n");
#endif
continue;
}
tex_map = new int[this->model_data.models[i]->tex_count];
for(j = 0; j < this->model_data.models[i]->tex_count; ++j) {
tex_map[j] = 0;
for(k = 0; k < tex_count; ++k) {
if(tex[k]->filenames[0] == this->model_data.models[i]->tex[j]->filenames[0] ||
(tex[k]->filenames[0] &&
this->model_data.models[i]->tex[j]->filenames[0] &&
!strcmp(tex[k]->filenames[0], this->model_data.models[i]->tex[j]->filenames[0]))) {
tex_map[j] = k;
break;
}
}
}
delete[] tex_map;
}
delete [] model_names;
this->model_data.zone_model->tex = 0;
this->model_data.zone_model->tex_count = 0;
delete [] orig_buffer;
this->status = 1;
return 1;
}
int ZonLoader::Close() {
int i;
if(!this->status)
return 1;
this->terloader.Close();
for(i = 0; i < this->model_data.model_count; ++i)
this->model_loaders[i].Close();
for(i = 0; i < this->model_data.model_count; ++i)
{
if(this->model_data.models[i])
{
delete [] this->model_data.models[i]->name;
delete this->model_data.models[i];
}
}
for(i = 0; i < this->model_data.plac_count; ++i)
delete this->model_data.placeable[i];
delete [] this->model_data.placeable;
delete [] this->model_data.models;
delete[] this->model_loaders;
status = 0;
return 1;
}
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