Changeset 539 for abuseTweet

Timestamp:

Apr 23, 2011, 12:48:59 AM (12 years ago)

Author:

Sam Hocevar

Message:

imlib: implement a small spec file dumper. "abuse -export foo.spe" will
extract the contents of the file and create PCX files from the images.

Location:

abuse/trunk/src

Files:

• imlib/specs.cpp (modified) (3 diffs)
• imlib/specs.h (modified) (3 diffs)
• sdlport/setup.cpp (modified) (1 diff)

abuse/trunk/src/imlib/specs.cpp

@@ -18 +18 @@
 #include <math.h>
 #include <unistd.h>
-#if (defined(__MACH__) || !defined(__APPLE__))
-#   include <sys/types.h>
-#   include <sys/stat.h>
-#endif
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include "common.h"
@@ -27 +25 @@
 #include "image.h"
 #include "palette.h"
+#include "pcxread.h"
 #include "specs.h"
 #include "dprint.h"
@@ -964 +963 @@
 }
 
+void spec_directory::extract(char const *name)
+{
+    jFILE fp(name, "rb");
+    if (fp.open_failure())
+    {
+        fprintf(stderr, "Spec: ERROR - could not open %s\n", name);
+        return;
+    }
+
+    spec_directory dir(&fp);
+    if (dir.total <= 0)
+    {
+        fprintf(stderr, "Spec: ERROR - no signature or no data in %s\n", name);
+        return;
+    }
+
+    char const *out = "SPEC.DIR";
+    mkdir(out, S_IRUSR | S_IWUSR | S_IXUSR);
+    if (chdir(out))
+    {
+        fprintf(stderr, "Spec: ERROR - could not create or cd to %s\n", out);
+        return;
+    }
+
+    palette *pal = NULL;
+
+    for (int i = 0; i < dir.total; i++)
+    {
+        spec_entry *se = dir.entries[i];
+
+        FILE *fp2 = fopen(se->name, "wb");
+        if (!fp2)
+        {
+            fprintf(stderr, "Spec: ERROR - could not write to %s\n", se->name);
+            continue;
+        }
+
+        fp.seek(se->offset, SEEK_SET);
+        uint8_t buf[1024];
+        size_t todo = se->size;
+        while (todo > 0)
+        {
+            fp.read(buf, Min(todo, 1024));
+            fwrite(buf, Min(todo, 1024), 1, fp2);
+            todo -= Min(todo, 1024);
+        }
+        fclose(fp2);
+
+        fprintf(stderr, "Spec: %s (type %i): %i bytes\n",
+                se->name, se->type, (int)se->size);
+
+        /* If it's a palette, keep it */
+        if (!pal && se->type == SPEC_PALETTE)
+            pal = new palette(se, &fp);
+    }
+
+    /* If we have a palette, output all images */
+    for (int i = 0; pal && i < dir.total; i++)
+    {
+        char buf[1024];
+        spec_entry *se = dir.entries[i];
+
+        switch (se->type)
+        {
+        case SPEC_IMAGE:
+        case SPEC_FORETILE:
+        case SPEC_BACKTILE:
+        case SPEC_CHARACTER:
+        case SPEC_CHARACTER2:
+            sprintf(buf, "%s-export.pcx", se->name);
+            image *im = new image(&fp, se);
+            write_PCX(im, pal, buf);
+            delete im;
+            fprintf(stderr, "Spec: %s is an image\n", buf);
+            break;
+        }
+    }
+
+    /* Clean up */
+    delete pal;
+}
+
 void note_open_fd(int fd, char const *str)
 {

abuse/trunk/src/imlib/specs.h

@@ -22 +22 @@
 extern char const *spec_types[];
 
-#define SPEC_INVALID_TYPE    0
-#define SPEC_COLOR_TABLE     1
-#define SPEC_PALETTE         2
-#define SPEC_IMAGE           4
-#define SPEC_FORETILE        5
-#define SPEC_BACKTILE        6
-#define SPEC_CHARACTER       7
-#define SPEC_MORPH_POINTS_8  8
-#define SPEC_MORPH_POINTS_16 9
-#define SPEC_GRUE_OBJS       10
-#define SPEC_EXTERN_SFX      11
-#define SPEC_DMX_MUS         12
-#define SPEC_PATCHED_MORPH   13
-#define SPEC_NORMAL_FILE     14
-#define SPEC_COMPRESS1_FILE  15
-#define SPEC_VECTOR_IMAGE    16
-#define SPEC_LIGHT_LIST      17
-#define SPEC_GRUE_FGMAP      18
-#define SPEC_GRUE_BGMAP      19
-#define SPEC_DATA_ARRAY      20
-#define SPEC_CHARACTER2      21
-#define SPEC_PARTICLE        22
-#define SPEC_EXTERNAL_LCACHE 23
-
+enum
+{
+    SPEC_INVALID_TYPE = 0,
+    SPEC_COLOR_TABLE,
+    SPEC_PALETTE,
+    SPEC_, /* Unused */
+    SPEC_IMAGE,
+    SPEC_FORETILE,
+    SPEC_BACKTILE,
+    SPEC_CHARACTER,
+    SPEC_MORPH_POINTS_8,
+    SPEC_MORPH_POINTS_16,
+    SPEC_GRUE_OBJS,
+    SPEC_EXTERN_SFX,
+    SPEC_DMX_MUS,
+    SPEC_PATCHED_MORPH,
+    SPEC_NORMAL_FILE,
+    SPEC_COMPRESS1_FILE,
+    SPEC_VECTOR_IMAGE,
+    SPEC_LIGHT_LIST,
+    SPEC_GRUE_FGMAP,
+    SPEC_GRUE_BGMAP,
+    SPEC_DATA_ARRAY,
+    SPEC_CHARACTER2,
+    SPEC_PARTICLE,
+    SPEC_EXTERNAL_LCACHE,
+};
 
 #define SPEC_SIGNATURE    "SPEC1.0"
@@ -56 +59 @@
 #define SPEC_SEARCH_INSIDE_ONLY    3
 
-/* file specs
-              8   signature
-              2   number entries
-                  [entries]
-              1      entry type
-              1      entry name length
-              X      entry name (with null terminator)
-              1      flags
-                     if (flags&LINK)
-              1        link filename length
-              X        link filename
-                     else
-              4        data size
-              4        offset
-*/
+/*  struct spec_header
+ *  {
+ *      char signature[8];
+ *      uint16_t entries_count;
+ *      struct entry
+ *      {
+ *          uint8_t type;
+ *          uint8_t name_length;
+ *          char name[name_length];
+ *          uint8_t flags;
+ *          if (flags & LINK)
+ *          {
+ *              uint8_t filename_length;
+ *              char filename[filename_length];
+ *          }
+ *          else
+ *          {
+ *              uint32_t data_size;
+ *              uint32_t offset;
+ *          }
+ *      } entries[entries_count];
+ *  }
+ */
 
 void set_spec_main_file(char const *filename, int search_order=SPEC_SEARCH_OUTSIDE_INSIDE);
@@ -196 +207 @@
   void delete_entries();   // if the directory was created by hand instead of by file
   ~spec_directory();
+
+  static void extract(char const *name);
 } ;
 

abuse/trunk/src/sdlport/setup.cpp

@@ -336 +336 @@
             }
         }
+        else if (ii + 1 < argc && !strcasecmp(argv[ii], "-export"))
+        {
+            spec_directory::extract(argv[++ii]);
+            exit(0);
+        }
         else if( !strcasecmp( argv[ii], "-h" ) || !strcasecmp( argv[ii], "--help" ) )
         {