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1 /** This module contains the interface to the input system; it should be the only module of the
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2 * input package imported from outside this package.
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3 */
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4 module mde.input.input;
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5 /+import derelict.sdl.events;
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6 import mde.input.core;
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7 import mde.input.config;
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8 import mde.input.eventstream;
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9
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10 /// Get key status at this ID
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11 bool button (uint id) {
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12 return b_tbl[cast(index_t) id];
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13 }
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14 /// Get axis status at this ID (range -1.0 .. 1.0)
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15 real axis (uint id) {
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16 return axis_tbl[cast(index_t) id];
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17 }
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18 /** Get mouse pointer position in screen coordinates.
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19 * Window managers only support one mouse, so there will only be one screen coordinate.
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20 * Unlike everything else, this is not configurable.
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21 */
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22 void mouseScreenPos (uint x, uint y) {
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23 x = mouse_x; y = mouse_y;
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24 }
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25 /** Get relative mouse position (also for joystick balls).
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26 *
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27 * Converts to a real via sensitivity settings (defaults may be set and overriden per item).
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28 *
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29 * To avoid confusion over the ID here, the idea is for the input-layer upward to support
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30 * multiple mice, even though it's unlikely for the input system itself to support them. Also
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31 * joystick balls (supported by SDL) can be used in the same way as a mouse for relative
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32 * positions. Thus this must be configured only on one-mouse systems.
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33 */
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34 void mouseRelativePos (out real x, out real y, uint id) {
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35 RelPair rp = axis_rel_tbl[cast(index_t) id];
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36 x = rp.x; y = rp.y;
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37 }
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38 /// As it says. Optional.
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39 bool modifierStatus (uint id);
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40
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41 /// Adds a callback delegate for key with this ID for both DOWN and UP events.
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42 /// Passes current status.
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43 void addKeyCallback (void delegate(bool) dg);
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44
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45 /// Similar function for axis events.
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46 void addAxisCallback (void delegate(real) dg);
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47
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48 /** Similar function for mouse/joystick ball motion.
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49 * Last parameter is true if it's for the window-manager mouse (use mouseScreenPos to get
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50 * mouse screen position).
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51 */
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52 void addMouseCallback (void delegate(real,real,bool) dg);
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53
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54 /** Feed an SDL_Event struct (only uses if it's a key, mouse or joystick event).
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55 * Other types of event functions may be added.
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56 */
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57 void SDLEvent (SDL_Event event);
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58 +/ |
