kettek2/wiki/games/newsboy/Newsboy_0x00/engine/EntityData.c

#include "EntityData.h"
#include "string.h"
#include <stdlib.h>
#include "fifo.h"
#include "globals.h"
#include "string.h"

struct EntityData *newEntityData() {
  struct EntityData *entity_data = malloc(sizeof(struct EntityData));
  entity_data->name = malloc(1);
  entity_data->name[0] = '\0';
  // eww
  entity_data->filename = malloc(1);
  entity_data->filename[0] = '\0';
  entity_data->anim = malloc(1);
  entity_data->anim[0] = '\0';
  entity_data->set = malloc(1);
  entity_data->set[0] = '\0';
  entity_data->face = malloc(1);
  entity_data->face[0] = '\0';
  entity_data->frame = 0;

  entity_data->spawn = malloc(1);
  entity_data->spawn[0] = '\0';
  return entity_data;
}
int freeEntityData(struct EntityData *entity_data) {
  if (entity_data == NULL) return 1;
  free(entity_data->filename);
  free(entity_data->name);
  free(entity_data->anim);
  free(entity_data->set);
  free(entity_data->face);
  free(entity_data->spawn);
  free(entity_data);
  return 0;
}
int saveEntityData(struct EntityData *entity_data) {
  if (entity_data == NULL) return 1;
  // create our filename string
  // open file for output
  FILE *output = fopen(entity_data->filename, "wb");
  if (output == NULL) {
    report(ERROR, "saveEntityData", "cannot open \"%s\" for writing", entity_data->filename);
    return 2;
  }
  char magic[4];
  magic[0] = 'N';
  magic[1] = 'b';
  magic[2] = 'E';
  magic[3] = 1;
  writeData(output, T_MAGIC, (void*)&magic);
  writeData(output, T_STRING, (void*)&entity_data->name);
  writeData(output, T_STRING, (void*)&entity_data->anim);
  writeData(output, T_STRING, (void*)&entity_data->set);
  writeData(output, T_STRING, (void*)&entity_data->face);
  writeData(output, T_INT, (void*)&entity_data->frame);
  //
  writeData(output, T_INT, (void*)&entity_data->type);
  writeData(output, T_INT, (void*)&entity_data->behave);
  //
  int temp = (int)(entity_data->mass*1000);
  writeData(output, T_INT, (void*)&temp);
  temp = (int)(entity_data->radius*1000);
  writeData(output, T_INT, (void*)&temp);
  temp = (int)(entity_data->speed*1000);
  writeData(output, T_INT, (void*)&temp);
  temp = (int)(entity_data->turn*1000);
  writeData(output, T_INT, (void*)&temp);
  //
  writeData(output, T_INT, (void*)&entity_data->hp);
  temp = (int)(entity_data->sight*1000);
  writeData(output, T_INT, (void*)&temp);
  //
  temp = (int)(entity_data->range*1000);
  writeData(output, T_INT, (void*)&temp);
  writeData(output, T_INT, (void*)&entity_data->attack);
  writeData(output, T_INT, (void*)&entity_data->damage);
  writeData(output, T_STRING, (void*)&entity_data->spawn);
  //
  writeData(output, T_INT, (void*)&entity_data->time);

  fclose(output);
  return 0;
}
int loadEntityData(struct EntityData *entity_data, const char *filename) {
  if (entity_data == NULL) return 1;
  if (filename == NULL) return 2;
  // open file for reading binary
  FILE *input = fopen(filename, "rb");
  if (input == NULL) {
    report(ERROR, "loadEntityData", "cannot open \"%s\" for reading", filename);
    return 3;
  }
  void *val = malloc(4);
  // read in magic number
  readData(input, T_MAGIC, val);
  if (((char *)val)[0] != 'N' || ((char *)val)[1] != 'b' || ((char *)val)[2] != 'E' || ((char *)val)[3] != 1) {
    report(ERROR, "loadEntityData", "magic number mismatch, expected %d, got %d", ((char *)val)[3], 1);
    free(val);
    return 5;
  }
  entity_data->name = readData(input, T_STRING, entity_data->name);
  entity_data->anim = readData(input, T_STRING, entity_data->anim);
  entity_data->set = readData(input, T_STRING, entity_data->set);
  entity_data->face = readData(input, T_STRING, entity_data->face);
  readData(input, T_INT, &entity_data->frame);
  //
  readData(input, T_INT, &entity_data->type);
  readData(input, T_INT, &entity_data->behave);
  //
  int temp = 0;
  readData(input, T_INT, &temp);
  entity_data->mass = (float)temp/1000.0f;
  readData(input, T_INT, &temp);
  entity_data->radius = (float)temp/1000.0f;
  readData(input, T_INT, &temp);
  entity_data->speed = (float)temp/1000.0f;
  readData(input, T_INT, &temp);
  entity_data->turn = (float)temp/1000.0f;
  //
  readData(input, T_INT, &entity_data->hp);
  readData(input, T_INT, &temp);
  entity_data->sight = (float)temp/1000.0f;
  //
  readData(input, T_INT, &temp);
  entity_data->range = (float)temp/1000.0f;
  readData(input, T_INT, &entity_data->attack);
  readData(input, T_INT, &entity_data->damage);
  entity_data->spawn = readData(input, T_STRING, entity_data->spawn);
  //
  readData(input, T_INT, &entity_data->time);
  free(val);
  fclose(input);
  // success, we hope
  return 0;
}
struct EntityData *loadEntityData_res(const char *filename) {
  char *full_path = malloc(1);
  full_path = setStringF(full_path, "%s%s%s", ENT_DIR, filename, ENT_EXT);
  struct EntityData *entity_data = newEntityData();
  if (loadEntityData(entity_data, full_path) != 0) {
    printf("failed to load entity data\n");
    freeEntityData(entity_data);
    free(full_path);
    return NULL;
  }
  free(full_path);
  return entity_data;
}