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使用SDL读

This commit is contained in:
baidwwy 2021-03-17 11:24:20 +08:00
parent 515938e24f
commit 270a104589
1 changed files with 14 additions and 21 deletions
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35
app/ggelua/main.c
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@ -4,6 +4,7 @@
#include "SDL_stdinc.h"
#include "SDL_mutex.h"
#include "SDL_messagebox.h"
#include "SDL_rwops.h"
#include "SDL_main.h"
#include <windows.h>
struct INFO {
@ -20,26 +21,26 @@ static int GGE_LoadWindows(lua_State *L)
size_t l;
const char* path = lua_tolstring(L,1,&l);
size_t i;
FILE *f = fopen(path,"rb");
SDL_RWops*f = SDL_RWFromFile(path,"rb");
if (f==NULL)
return 0;
if (fseek(f,-(int)sizeof(info),SEEK_END)!=0){
fclose(f);
if (SDL_RWseek(f,-(int)sizeof(info), RW_SEEK_END)==0){
SDL_FreeRW(f);
return 0;
}
if (fread(&info,sizeof(info),1,f)!=1){
fclose(f);
if (SDL_RWread(f,&info,sizeof(info),1)==0){
SDL_FreeRW(f);
return 0;
}
if (info.signal==0x20454747){
if (fseek(f,-(int)(sizeof(info)+info.coresize+info.packsize),SEEK_END)!=0){
fclose(f);
if (SDL_RWseek(f,-(int)(sizeof(info)+info.coresize+info.packsize), RW_SEEK_END)==0){
SDL_FreeRW(f);
return 0;
}
ggelua = (char*)SDL_malloc(info.coresize);
fread(ggelua,info.coresize,1,f);
SDL_RWread(f,ggelua,info.coresize,1);
ggepack = (char*)SDL_malloc(info.packsize);
fread(ggepack,info.packsize,1,f);
SDL_RWread(f,ggepack,info.packsize,1);
}else{
char lpath[256];
for (i=0;i<l;i++)
@ -50,18 +51,10 @@ static int GGE_LoadWindows(lua_State *L)
#else
path = luaL_gsub(L, lpath, "ggelua.exe", "ggelua.lua");
#endif
FILE *f = fopen(path,"rb");
if (f){
fseek(f,0,SEEK_END);
info.coresize = ftell(f);
info.packsize = 0;
fseek(f,0,SEEK_SET);
ggelua = (char*)SDL_malloc(info.coresize);
fread(ggelua,info.coresize,1,f);
fclose(f);
}
ggelua = (char*)SDL_LoadFile(path, &info.coresize);
info.packsize = 0;
}
fclose(f);
SDL_FreeRW(f);
return 0;
}
#endif
@ -99,7 +92,7 @@ int SDL_main(int argc, char* argv[])
lua_setglobal(L, "arg");
#if defined(__WIN32__)
lua_pushcfunction(L,GGE_LoadWindows);//¶ÁÈ¡½Å±¾
lua_pushstring(L,__argv[0]);
lua_pushstring(L, argv[0]);
lua_call(L, 1, 0);
#endif /* __WIN32__ */
if (ggelua){