vcs.maemo.org Git - drnoksnes/blob - platform/hgw.cpp

   1 #include <stdio.h>
   2 #include <libgen.h>
   3 #include <hgw/hgw.h>
   4
   5 #include "platform.h"
   6 #include "hgw.h"
   7 #include "snes9x.h"
   8
   9 #define DIE(format, ...) do { \
  10                 fprintf(stderr, "Died at %s:%d: ", __FILE__, __LINE__ ); \
  11                 fprintf(stderr, format "\n", ## __VA_ARGS__); \
  12                 abort(); \
  13         } while (0);
  14
  15
  16 bool hgwLaunched;
  17 static HgwContext *hgw;
  18
  19 static void createActionMappingsOnly();
  20 static void parseGConfKeyMappings();
  21
  22 void HgwInit()
  23 {
  24         // hildon-games-wrapper sets this env variable for itself.
  25         char* service = getenv("HGW_EXEC_SERVICE");
  26
  27         if (!service) {
  28                 // Not launched from hildon-games-wrapper
  29                 hgwLaunched = false;
  30                 return;
  31         }
  32
  33         hgw = hgw_context_init();
  34
  35         if (!hgw) {
  36                 fprintf(stderr, "Error opening hgw context\n");
  37                 hgwLaunched = false;
  38         }
  39
  40         hgwLaunched = true;
  41         printf("Loading in HGW mode\n");
  42 }
  43
  44 void HgwDeinit()
  45 {
  46         if (!hgwLaunched) return;
  47
  48         hgw_context_destroy(hgw,
  49                 (Config.snapshotSave ? HGW_BYE_PAUSED : HGW_BYE_INACTIVE));
  50
  51         hgw = 0;
  52 }
  53
  54 void HgwConfig()
  55 {
  56         if (!hgwLaunched) return;
  57
  58         Config.fullscreen = true;
  59
  60         char romFile[PATH_MAX + 1];
  61         if (hgw_conf_request_string(hgw, kGConfRomFile, romFile) == HGW_ERR_NONE
  62                 && strlen(romFile) > 0) {
  63                 S9xSetRomFile(romFile);
  64         } else {
  65                 hgw_context_destroy(hgw, HGW_BYE_INACTIVE);
  66                 DIE("No Rom in Gconf!");
  67         }
  68
  69         char sound = FALSE;
  70         if (hgw_conf_request_bool(hgw, kGConfSound, &sound) == HGW_ERR_NONE) {
  71                 Config.enableAudio = sound ? true : false;
  72         }
  73
  74         char turbo = FALSE;
  75         if (hgw_conf_request_bool(hgw, kGConfTurboMode, &turbo) == HGW_ERR_NONE) {
  76                 Settings.TurboMode = turbo ? TRUE : FALSE;
  77         }
  78
  79         int frameskip = 0;
  80         if (hgw_conf_request_int(hgw, kGConfFrameskip, &frameskip) == HGW_ERR_NONE) {
  81                 Settings.SkipFrames = (frameskip > 0 ? frameskip : AUTO_FRAMERATE);
  82         }
  83
  84         char transparency = FALSE;
  85         if (hgw_conf_request_bool(hgw, kGConfTransparency, &transparency) == HGW_ERR_NONE) {
  86                 Settings.Transparency = transparency ? TRUE : FALSE;
  87         }
  88
  89 #if CONF_XSP
  90         char xsp = TRUE;
  91         if (hgw_conf_request_bool(hgw, kGConfXSP, &xsp) == HGW_ERR_NONE) {
  92                 if (!xsp) {
  93                         free(Config.scaler);
  94                         Config.scaler = strdup("2x");
  95                 }
  96         }
  97 #endif
  98
  99         char displayFramerate = FALSE;
 100         if (hgw_conf_request_bool(hgw, kGConfDisplayFramerate, &displayFramerate) == HGW_ERR_NONE) {
 101                 Settings.DisplayFrameRate = displayFramerate ? TRUE : FALSE;
 102         }
 103
 104         char displayControls = FALSE;
 105         if (hgw_conf_request_bool(hgw, kGConfDisplayControls, &displayControls) == HGW_ERR_NONE) {
 106                 Config.touchscreenShow = displayControls ? true : false;
 107         }
 108
 109         int speedhacks = 0;
 110         if (hgw_conf_request_int(hgw, kGConfSpeedhacks, &speedhacks) == HGW_ERR_NONE) {
 111                 if (speedhacks <= 0) {
 112                         Settings.HacksEnabled = FALSE;
 113                         Settings.HacksFilter = FALSE;
 114                 } else if (speedhacks == 1) {
 115                         Settings.HacksEnabled = TRUE;
 116                         Settings.HacksFilter = TRUE;
 117                 } else {
 118                         Settings.HacksEnabled = TRUE;
 119                         Settings.HacksFilter = FALSE;
 120                 }
 121         }
 122         if (Settings.HacksEnabled && !Config.hacksFile) {
 123                 // Provide a default speedhacks file
 124                 if (asprintf(&Config.hacksFile, "%s/snesadvance.dat", dirname(romFile))
 125                                 < 0) {
 126                         Config.hacksFile = 0; // malloc error.
 127                 }
 128                 // romFile[] is garbled from now on.
 129         }
 130
 131         int mappings = 0;
 132         if (hgw_conf_request_int(hgw, kGConfMapping, &mappings) == HGW_ERR_NONE) {
 133                 switch (mappings) {
 134                         case 0:
 135                                 // Do nothing, leave mappings as is.
 136                                 break;
 137                         case 1: // Keys
 138                                 parseGConfKeyMappings();
 139                                 break;
 140                         case 2: // Touchscreen
 141                                 Config.touchscreenInput = true;
 142                                 createActionMappingsOnly();
 143                                 break;
 144                         case 3: // Touchscreen + keys
 145                                 Config.touchscreenInput = true;
 146                                 parseGConfKeyMappings();
 147                                 break;
 148                         case 4: // Mouse
 149                                 Settings.Mouse = TRUE;
 150                                 Settings.ControllerOption = SNES_MOUSE_SWAPPED;
 151                                 createActionMappingsOnly();
 152                                 break;
 153                         case 5: // Mouse + keys
 154                                 Settings.Mouse = TRUE;
 155                                 Settings.ControllerOption = SNES_MOUSE;
 156                                 parseGConfKeyMappings();
 157                                 break;
 158                 }
 159         }
 160
 161         HgwStartCommand cmd = hgw_context_get_start_command(hgw);
 162         switch (cmd) {
 163                 default:
 164                 case HGW_COMM_NONE:     // called from libosso
 165                 case HGW_COMM_CONT:
 166                         Config.snapshotLoad = true;
 167                         Config.snapshotSave = true;
 168                         break;
 169                 case HGW_COMM_RESTART:
 170                         Config.snapshotLoad = false;
 171                         Config.snapshotSave = true;
 172                         break;
 173                 case HGW_COMM_QUIT:
 174                         // hum, what?
 175                         Config.snapshotLoad = false;
 176                         Config.snapshotSave = false;
 177                         Config.quitting = true;
 178                         break;
 179         }
 180 }
 181
 182 void HgwPollEvents()
 183 {
 184         if (!hgwLaunched) return;
 185
 186         HgwMessage msg;
 187         HgwMessageFlags flags = HGW_MSG_FLAG_NONE;
 188
 189         if ( hgw_msg_check_incoming(hgw, &msg, flags) == HGW_ERR_COMMUNICATION ) {
 190                 // Message Incoming, process msg
 191
 192                 switch (msg.type) {
 193                         case HGW_MSG_TYPE_CBREQ:
 194                                 switch (msg.e_val) {
 195                                         case HGW_CB_QUIT:
 196                                         case HGW_CB_EXIT:
 197                                                 Config.quitting = true;
 198                                                 break;
 199                                 }
 200                                 break;
 201                         case HGW_MSG_TYPE_DEVSTATE:
 202                                 switch (msg.e_val) {
 203                                         case HGW_DEVICE_STATE_SHUTDOWN:
 204                                                 Config.quitting = true; // try to quit gracefully
 205                                                 break;
 206                                 }
 207                                 break;
 208                         default:
 209                                 // do nothing
 210                                 break;
 211                 }
 212
 213                 hgw_msg_free_data(&msg);
 214         }
 215 }
 216
 217 // For now, please keep this in sync with ../gui/controls.c
 218 typedef struct ButtonEntry {
 219         char * gconf_key;
 220         unsigned long mask;
 221         bool is_action;
 222 } ButtonEntry;
 223 #define BUTTON_INITIALIZER(button, name) \
 224         { kGConfKeysPath "/" name, SNES_##button##_MASK, false }
 225 #define ACTION_INITIALIZER(action, name) \
 226         { kGConfKeysPath "/" name, kAction##action, true }
 227 #define BUTTON_LAST     \
 228         { 0 }
 229 static const ButtonEntry buttons[] = {
 230         BUTTON_INITIALIZER(A, "a"),
 231         BUTTON_INITIALIZER(B, "b"),
 232         BUTTON_INITIALIZER(X, "x"),
 233         BUTTON_INITIALIZER(Y, "y"),
 234         BUTTON_INITIALIZER(TL, "l"),
 235         BUTTON_INITIALIZER(TR, "r"),
 236         BUTTON_INITIALIZER(START, "start"),
 237         BUTTON_INITIALIZER(SELECT, "select"),
 238         BUTTON_INITIALIZER(UP, "up"),
 239         BUTTON_INITIALIZER(DOWN, "down"),
 240         BUTTON_INITIALIZER(LEFT, "left"),
 241         BUTTON_INITIALIZER(RIGHT, "right"),
 242         ACTION_INITIALIZER(Quit, "quit"),
 243         ACTION_INITIALIZER(ToggleFullscreen, "fullscreen"),
 244         ACTION_INITIALIZER(QuickLoad1, "quickload1"),
 245         ACTION_INITIALIZER(QuickSave1, "quicksave1"),
 246         ACTION_INITIALIZER(QuickLoad2, "quickload2"),
 247         ACTION_INITIALIZER(QuickSave2, "quicksave2"),
 248         BUTTON_LAST
 249 };
 250
 251 static void createActionMappingsOnly()
 252 {
 253         // Discard any other mapping
 254         ZeroMemory(Config.joypad1Mapping, sizeof(Config.joypad1Mapping));
 255         ZeroMemory(Config.action, sizeof(Config.action));
 256
 257         // Map quit to fullscreen, escape and task switch.
 258         Config.action[72] = kActionQuit;
 259         Config.action[9] = kActionQuit;
 260         Config.action[71] = kActionQuit;
 261 }
 262
 263 static void parseGConfKeyMappings()
 264 {
 265         // Discard any other mapping
 266         ZeroMemory(Config.joypad1Mapping, sizeof(Config.joypad1Mapping));
 267         ZeroMemory(Config.action, sizeof(Config.action));
 268
 269         // If the user does not map fullscreen or quit
 270         bool quit_mapped = false;
 271
 272         printf("Hgw: Using gconf key mappings\n");
 273
 274         int i, scancode;
 275         for (i = 0; buttons[i].gconf_key; i++) {
 276                 if (hgw_conf_request_int(hgw, buttons[i].gconf_key, &scancode) == HGW_ERR_NONE) {
 277                         if (scancode <= 0 || scancode > 255) continue;
 278
 279                         if (buttons[i].is_action) {
 280                                 Config.action[scancode] |= buttons[i].mask;
 281                                 if (buttons[i].mask & (kActionQuit | kActionToggleFullscreen)) {
 282                                         quit_mapped = true;
 283                                 }
 284                         } else {
 285                                 Config.joypad1Mapping[scancode] |= buttons[i].mask;
 286                         }
 287                 }
 288         }
 289
 290         // Safeguards
 291         if (!quit_mapped) {
 292                 // Newbie user won't know how to quit game.
 293                 if (!Config.joypad1Mapping[72] && !Config.action[72]) {
 294                         // Fullscreen key is not mapped, map
 295                         Config.action[72] = kActionQuit;
 296                         quit_mapped = true;
 297                 }
 298                 if (!quit_mapped && !Config.joypad1Mapping[9] && !Config.action[9]) {
 299                         // Escape key is not mapped, map
 300                         // But only if we couldn't map quit to fullscreen. Some people
 301                         // actually want Quit not to be mapped.
 302                         Config.action[9] = kActionQuit;
 303                         quit_mapped = true;
 304                 }
 305                 if (!quit_mapped) {
 306                         // Force mapping of fullscreen to Quit if can't map anywhere else.
 307                         Config.joypad1Mapping[72] = 0;
 308                         Config.action[72] = kActionQuit;
 309                 }
 310         }
 311
 312         // If task switch key is not mapped, map it to Quit by default.
 313         if (!Config.action[71] && !Config.joypad1Mapping[71]) {
 314                 Config.action[71] = kActionQuit;
 315         }
 316 }
 317