+static KeyMap g_theKeys;
+
+void SetKey( int key)
+{
+ g_theKeys[ key >> 3] |= (1 << (key & 7));
+}
+
+void ClearKey( int key)
+{
+ g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
+}
+
+void GetKeys( unsigned char theKeys[16])
+{
+ memcpy( theKeys, &g_theKeys, 16);
+}
+
+Boolean Button()
+{
+ return g_button;
+}
+
+#if !USE_SDL
+static void initSDLKeyTable(void) {}
+#else
+#define MAX_SDLKEYS SDLK_LAST
+static unsigned short KeyTable[MAX_SDLKEYS];
+
+static void initSDLKeyTable(void)
+{
+ memset(KeyTable, 0xFF, sizeof (KeyTable));
+ KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
+ KeyTable[SDLK_TAB] = MAC_TAB_KEY;
+ KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
+ KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
+ KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
+ KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
+ KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
+ KeyTable[SDLK_END] = MAC_END_KEY;
+ KeyTable[SDLK_HOME] = MAC_HOME_KEY;
+ KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
+ KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
+ KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
+ KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
+ KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
+ KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
+ KeyTable[SDLK_0] = MAC_0_KEY;
+ KeyTable[SDLK_1] = MAC_1_KEY;
+ KeyTable[SDLK_2] = MAC_2_KEY;
+ KeyTable[SDLK_3] = MAC_3_KEY;
+ KeyTable[SDLK_4] = MAC_4_KEY;
+ KeyTable[SDLK_5] = MAC_5_KEY;
+ KeyTable[SDLK_6] = MAC_6_KEY;
+ KeyTable[SDLK_7] = MAC_7_KEY;
+ KeyTable[SDLK_8] = MAC_8_KEY;
+ KeyTable[SDLK_9] = MAC_9_KEY;
+ KeyTable[SDLK_a] = MAC_A_KEY;
+ KeyTable[SDLK_b] = MAC_B_KEY;
+ KeyTable[SDLK_c] = MAC_C_KEY;
+ KeyTable[SDLK_d] = MAC_D_KEY;
+ KeyTable[SDLK_e] = MAC_E_KEY;
+ KeyTable[SDLK_f] = MAC_F_KEY;
+ KeyTable[SDLK_g] = MAC_G_KEY;
+ KeyTable[SDLK_h] = MAC_H_KEY;
+ KeyTable[SDLK_i] = MAC_I_KEY;
+ KeyTable[SDLK_j] = MAC_J_KEY;
+ KeyTable[SDLK_k] = MAC_K_KEY;
+ KeyTable[SDLK_l] = MAC_L_KEY;
+ KeyTable[SDLK_m] = MAC_M_KEY;
+ KeyTable[SDLK_n] = MAC_N_KEY;
+ KeyTable[SDLK_o] = MAC_O_KEY;
+ KeyTable[SDLK_p] = MAC_P_KEY;
+ KeyTable[SDLK_q] = MAC_Q_KEY;
+ KeyTable[SDLK_r] = MAC_R_KEY;
+ KeyTable[SDLK_s] = MAC_S_KEY;
+ KeyTable[SDLK_t] = MAC_T_KEY;
+ KeyTable[SDLK_u] = MAC_U_KEY;
+ KeyTable[SDLK_v] = MAC_V_KEY;
+ KeyTable[SDLK_w] = MAC_W_KEY;
+ KeyTable[SDLK_x] = MAC_X_KEY;
+ KeyTable[SDLK_y] = MAC_Y_KEY;
+ KeyTable[SDLK_z] = MAC_Z_KEY;
+ KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
+ KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
+ KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
+ KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
+ KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
+ KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
+ KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
+ KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
+ KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
+ KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
+ KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
+ KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
+ KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
+ KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
+ KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
+ KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
+ KeyTable[SDLK_F1] = MAC_F1_KEY;
+ KeyTable[SDLK_F2] = MAC_F2_KEY;
+ KeyTable[SDLK_F3] = MAC_F3_KEY;
+ KeyTable[SDLK_F4] = MAC_F4_KEY;
+ KeyTable[SDLK_F5] = MAC_F5_KEY;
+ KeyTable[SDLK_F6] = MAC_F6_KEY;
+ KeyTable[SDLK_F7] = MAC_F7_KEY;
+ KeyTable[SDLK_F8] = MAC_F8_KEY;
+ KeyTable[SDLK_F9] = MAC_F9_KEY;
+ KeyTable[SDLK_F10] = MAC_F10_KEY;
+ KeyTable[SDLK_F11] = MAC_F11_KEY;
+ KeyTable[SDLK_F12] = MAC_F12_KEY;
+ KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
+ KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
+ KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
+ KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
+ KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
+ KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
+ KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
+ KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
+ KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
+ KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
+ KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
+}
+
+static inline int clamp_sdl_mouse_button(Uint8 button)
+{
+ if (button == 2) // right mouse button is button 3 in SDL.
+ button = 3;
+ else if (button == 3)
+ button = 2;
+
+ if ((button >= 1) && (button <= 3))
+ return button - 1;
+ return -1;
+}
+
+static void sdlEventProc(const SDL_Event &e, Game &game)
+{
+ int val;
+ SDLMod mod;
+
+ switch(e.type)
+ {
+ case SDL_MOUSEMOTION:
+ game.deltah += e.motion.xrel;
+ game.deltav += e.motion.yrel;
+ return;
+
+ case SDL_MOUSEBUTTONDOWN:
+ {
+ val = clamp_sdl_mouse_button(e.button.button);
+ if ((val >= 0) && (val <= 2))
+ {
+ if (val == 0)
+ g_button = true;
+ buttons[val] = true;
+ }
+ }
+ return;
+
+ case SDL_MOUSEBUTTONUP:
+ {
+ val = clamp_sdl_mouse_button(e.button.button);
+ if ((val >= 0) && (val <= 2))
+ {
+ if (val == 0)
+ g_button = false;
+ buttons[val] = false;
+ }
+ }
+ return;
+
+ case SDL_KEYDOWN:
+ if (e.key.keysym.sym == SDLK_g)
+ {
+ if (e.key.keysym.mod & KMOD_CTRL)
+ {
+ SDL_GrabMode mode = SDL_GRAB_ON;
+ if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
+ {
+ mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
+ mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
+ }
+ SDL_WM_GrabInput(mode);
+ }
+ }
+
+ else if (e.key.keysym.sym == SDLK_RETURN)
+ {
+ if (e.key.keysym.mod & KMOD_ALT)
+ SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
+ }
+
+ if (e.key.keysym.sym < SDLK_LAST)
+ {
+ if (KeyTable[e.key.keysym.sym] != 0xffff)
+ SetKey(KeyTable[e.key.keysym.sym]);
+ }
+
+ mod = SDL_GetModState();
+ if (mod & KMOD_CTRL)
+ SetKey(MAC_CONTROL_KEY);
+ if (mod & KMOD_ALT)
+ SetKey(MAC_OPTION_KEY);
+ if (mod & KMOD_SHIFT)
+ SetKey(MAC_SHIFT_KEY);
+ if (mod & KMOD_CAPS)
+ SetKey(MAC_CAPS_LOCK_KEY);
+
+ return;
+
+ case SDL_KEYUP:
+ if (e.key.keysym.sym < SDLK_LAST)
+ {
+ if (KeyTable[e.key.keysym.sym] != 0xffff)
+ ClearKey(KeyTable[e.key.keysym.sym]);
+ }
+
+ mod = SDL_GetModState();
+ if ((mod & KMOD_CTRL) == 0)
+ ClearKey(MAC_CONTROL_KEY);
+ if ((mod & KMOD_ALT) == 0)
+ ClearKey(MAC_OPTION_KEY);
+ if ((mod & KMOD_SHIFT) == 0)
+ ClearKey(MAC_SHIFT_KEY);
+ if ((mod & KMOD_CAPS) == 0)
+ ClearKey(MAC_CAPS_LOCK_KEY);
+ return;
+ }
+}
+#endif