feat(texdump): add texture dumper

meson.build

@@ -10,4 +10,5 @@ subdir('picture')
 subdir('util')
 
 subdir('ifsdump')
+subdir('texdump')
 subdir('xmldump')

texdump/main.c

@@ -0,0 +1,203 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "573file/prop-binary-reader.h"
+#include "573file/prop.h"
+#include "573file/tex.h"
+
+#include "picture/picture-png.h"
+#include "picture/picture.h"
+
+#include "util/fs.h"
+#include "util/iobuf.h"
+#include "util/log.h"
+#include "util/str.h"
+
+static int tex_dump_image(const struct tex_image *ti, const char *indir,
+                          const char *outdir);
+static int tex_dump_list(const struct tex_list *tl, const char *indir,
+                         const char *outdir);
+static int tex_dump_load_toc(struct tex_list **out, const char *indir);
+
+static int tex_dump_load_toc(struct tex_list **out, const char *indir) {
+  struct tex_list *tl;
+  struct prop *p;
+  char *toc_path;
+  void *bytes;
+  size_t nbytes;
+  int r;
+
+  assert(out != NULL);
+  assert(indir != NULL);
+
+  *out = NULL;
+  toc_path = NULL;
+  bytes = NULL;
+  p = NULL;
+  tl = NULL;
+
+  r = str_printf(&toc_path, "%s/tex/texturelist.xml", indir);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  r = fs_read_file(toc_path, &bytes, &nbytes);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  r = prop_binary_parse(&p, bytes, nbytes);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  r = tex_list_read(&tl, p);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  *out = tl;
+  tl = NULL;
+
+end:
+  tex_list_free(tl);
+  prop_free(p);
+  free(bytes);
+  free(toc_path);
+
+  return r;
+}
+
+static int tex_dump_list(const struct tex_list *tl, const char *indir,
+                         const char *outdir) {
+  const struct tex_texture *tx;
+  const struct tex_image *ti;
+  int r;
+
+  assert(tl != NULL);
+  assert(indir != NULL);
+  assert(outdir != NULL);
+
+  for (tx = tex_list_get_first_texture(tl); tx != NULL;
+       tx = tex_texture_get_next_sibling(tx)) {
+    for (ti = tex_texture_get_first_image(tx); ti != NULL;
+         ti = tex_image_get_next_sibling(ti)) {
+      r = tex_dump_image(ti, indir, outdir);
+
+      if (r < 0) {
+        return r;
+      }
+    }
+  }
+
+  return 0;
+}
+
+static int tex_dump_image(const struct tex_image *ti, const char *indir,
+                          const char *outdir) {
+  struct const_iobuf buf;
+  struct picture *pic;
+  void *bytes;
+  size_t nbytes;
+  char *in_path;
+  char *out_path;
+  int r;
+
+  assert(ti != NULL);
+  assert(indir != NULL);
+  assert(outdir != NULL);
+
+  in_path = NULL;
+  bytes = NULL;
+  pic = NULL;
+  out_path = NULL;
+
+  r = str_printf(&in_path, "%s/tex/%s", indir, ti->name_md5);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  r = fs_read_file(in_path, &bytes, &nbytes);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  buf.bytes = bytes;
+  buf.nbytes = nbytes;
+  buf.pos = 0;
+
+  r = tex_image_read_pixels(ti, &buf, &pic);
+
+  if (r < 0) {
+    log_write("Error reading image \"%s\" (md5=%s)", ti->name, ti->name_md5);
+
+    goto end;
+  }
+
+  r = str_printf(&out_path, "%s/%s.png", outdir, ti->name);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  r = picture_write_png(pic, out_path);
+
+  if (r < 0) {
+    goto end;
+  }
+
+end:
+  free(out_path);
+  free(pic);
+  free(bytes);
+  free(in_path);
+
+  return r;
+}
+
+int main(int argc, char **argv) {
+  struct tex_list *tl;
+  const char *indir;
+  const char *outdir;
+  int r;
+
+  if (argc != 3) {
+    fprintf(stderr, "Usage: %s [indir] [outdir]\n", argv[0]);
+
+    return EXIT_FAILURE;
+  }
+
+  tl = NULL;
+  indir = argv[1];
+  outdir = argv[2];
+
+  r = tex_dump_load_toc(&tl, indir);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  r = fs_mkdir(outdir);
+
+  if (r < 0) {
+    goto end;
+  }
+
+  r = tex_dump_list(tl, indir, outdir);
+
+  if (r < 0) {
+    goto end;
+  }
+
+end:
+  tex_list_free(tl);
+
+  return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}

texdump/meson.build

@@ -0,0 +1,13 @@
+executable(
+  'texdump',
+  include_directories: inc,
+  c_pch: '../precompiled.h',
+  link_with: [
+    _573file_lib,
+    picture_lib,
+    util_lib
+  ],
+  sources: [
+    'main.c'
+  ]
+)