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

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