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Add version (if we change the format)

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This commit is contained in:
simon.kagstrom 2009-12-19 09:12:30 +00:00
parent 67beaa4ea5
commit 293e53bbe8
2 changed files with 12 additions and 7 deletions
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15
game_info.cpp
View File

@ -5,11 +5,14 @@
#include "game_info.hh" #include "game_info.hh"
#include "utils.hh" #include "utils.hh"
GameInfo::GameInfo() #define VERSION_BASE (0x1978)
#define VERSION_MAGIC (VERSION_BASE + 0)
GameInfo::GameInfo(char *name, char *author, SDL_Surface *image)
{ {
this->name = NULL; this->name = name;
this->author = NULL; this->author = author;
this->screenshot = NULL; this->screenshot = image;
} }
GameInfo::~GameInfo() GameInfo::~GameInfo()
@ -52,7 +55,7 @@ struct game_info *GameInfo::dump(size_t *out_sz)
/* Allocate everything */ /* Allocate everything */
out = (struct game_info*)xmalloc(total_sz); out = (struct game_info*)xmalloc(total_sz);
out->sz = total_sz; out->sz = total_sz;
out->dummy = 0; out->version_magic = VERSION_MAGIC;
out->author_off = 0; /* Starts AFTER the header */ out->author_off = 0; /* Starts AFTER the header */
out->name_off = out->author_off + strlen(this->author) + 1; out->name_off = out->author_off + strlen(this->author) + 1;
out->screenshot_off = out->name_off + strlen(this->name) + 1; out->screenshot_off = out->name_off + strlen(this->name) + 1;
@ -63,6 +66,7 @@ struct game_info *GameInfo::dump(size_t *out_sz)
out->sz = htonl(out->sz); out->sz = htonl(out->sz);
out->author_off = htons(out->author_off); out->author_off = htons(out->author_off);
out->version_magic = htons(out->version_magic);
out->name_off = htons(out->name_off); out->name_off = htons(out->name_off);
out->screenshot_off = htons(out->screenshot_off); out->screenshot_off = htons(out->screenshot_off);
@ -74,6 +78,7 @@ void GameInfo::fromDump(struct game_info *gi, size_t sz)
SDL_RWops *rw; SDL_RWops *rw;
gi->sz = ntohl(gi->sz); gi->sz = ntohl(gi->sz);
gi->version_magic = ntohs(gi->version_magic);
gi->author_off = ntohs(gi->author_off); gi->author_off = ntohs(gi->author_off);
gi->name_off = ntohs(gi->name_off); gi->name_off = ntohs(gi->name_off);
gi->screenshot_off = ntohs(gi->screenshot_off); gi->screenshot_off = ntohs(gi->screenshot_off);

4
game_info.hh
View File

@ -6,17 +6,17 @@
struct game_info struct game_info
{ {
uint32_t sz; uint32_t sz;
uint16_t version_magic;
uint16_t author_off; uint16_t author_off;
uint16_t name_off; uint16_t name_off;
uint16_t screenshot_off; /* In PNG format */ uint16_t screenshot_off; /* In PNG format */
uint16_t dummy;
uint8_t data[]; /* 4-byte aligned */ uint8_t data[]; /* 4-byte aligned */
}; };
class GameInfo class GameInfo
{ {
public: public:
GameInfo(); GameInfo(char *name = NULL, char *author = NULL, SDL_Surface *image = NULL);
~GameInfo(); ~GameInfo();