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comparison blastem.c @ 1531:092675db4f37

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Add support for loading ROMs from zip files
author Michael Pavone <pavone@retrodev.com>
date Sat, 24 Mar 2018 15:33:44 -0700
parents f7fe240a7da6
children c59adc305e46
comparison
equal deleted inserted replaced
1530:00d788dac91a 1531:092675db4f37
22 #include "romdb.h" 22 #include "romdb.h"
23 #include "terminal.h" 23 #include "terminal.h"
24 #include "arena.h" 24 #include "arena.h"
25 #include "config.h" 25 #include "config.h"
26 #include "menu.h" 26 #include "menu.h"
27 #include "zip.h"
27 28
28 #define BLASTEM_VERSION "0.5.2-pre" 29 #define BLASTEM_VERSION "0.5.2-pre"
29 30
30 #ifdef __ANDROID__ 31 #ifdef __ANDROID__
31 #define FULLSCREEN_DEFAULT 1 32 #define FULLSCREEN_DEFAULT 1
93 *buffer = dst; 94 *buffer = dst;
94 95
95 return readsize; 96 return readsize;
96 } 97 }
97 98
99 uint32_t load_rom_zip(char *filename, void **dst)
100 {
101 static const char *valid_exts[] = {"bin", "md", "gen", "sms", "rom"};
102 const uint32_t num_exts = sizeof(valid_exts)/sizeof(*valid_exts);
103 zip_file *z = zip_open(filename);
104 if (!z) {
105 return 0;
106 }
107
108 for (uint32_t i = 0; i < z->num_entries; i++)
109 {
110 char *ext = path_extension(z->entries[i].name);
111 if (!ext) {
112 continue;
113 }
114 for (uint32_t j = 0; j < num_exts; j++)
115 {
116 if (!strcasecmp(ext, valid_exts[j])) {
117 size_t out_size = nearest_pow2(z->entries[i].size);
118 *dst = zip_read(z, i, &out_size);
119 if (*dst) {
120 free(ext);
121 zip_close(z);
122 return out_size;
123 }
124 }
125 }
126 free(ext);
127 }
128 zip_close(z);
129 return 0;
130 }
131
98 uint32_t load_rom(char * filename, void **dst, system_type *stype) 132 uint32_t load_rom(char * filename, void **dst, system_type *stype)
99 { 133 {
100 uint8_t header[10]; 134 uint8_t header[10];
135 char *ext = path_extension(filename);
136 if (!strcasecmp(ext, "zip")) {
137 free(ext);
138 return load_rom_zip(filename, dst);
139 }
140 free(ext);
101 ROMFILE f = romopen(filename, "rb"); 141 ROMFILE f = romopen(filename, "rb");
102 if (!f) { 142 if (!f) {
103 return 0; 143 return 0;
104 } 144 }
105 if (sizeof(header) != romread(header, 1, sizeof(header), f)) { 145 if (sizeof(header) != romread(header, 1, sizeof(header), f)) {