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