+ alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
+ alpha_ticks = SDL_GetTicks();
+
+ if (alpha >= 255)
+ {
+ alpha = 255;
+ alpha_step = -1;
+ }
+ else if (alpha < 128)
+ {
+ alpha = 127;
+ alpha_step = 1;
+ }
+
+ int controller_x = SX + (SXSIZE - controller->width) / 2;
+ int controller_y = SY + ystep_line;
+
+ int marker_x = controller_x + step->x;
+ int marker_y = controller_y + step->y;
+
+ int ystart1 = mSY - 2 * SY + controller_y + controller->height;
+ int ystart2 = ystart1 + ystep_name + ystep_line;
+
+ ClearField();
+
+ DrawTextSCentered(ystart1, font_name, name);
+
+ DrawTextSCentered(ystart2, font_info,
+ "Press buttons and move axes on");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "your controller when indicated.");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "(Your controller may look different.)");
+ ystart2 += ystep_para;
+
+#if defined(PLATFORM_ANDROID)
+ DrawTextSCentered(ystart2, font_info,
+ "To correct a mistake,");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "press the 'back' button.");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "To skip a button or axis,");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "press the 'menu' button.");
+#else
+ DrawTextSCentered(ystart2, font_info,
+ "To correct a mistake,");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "press the 'backspace' key.");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "To skip a button or axis,");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "press the 'return' key.");
+ ystart2 += ystep_line;
+ DrawTextSCentered(ystart2, font_info,
+ "To exit, press the 'escape' key.");
+#endif
+
+ BlitBitmapMasked(controller, drawto, 0, 0,
+ controller->width, controller->height,
+ controller_x, controller_y);
+
+ SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
+ SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
+
+ BlitBitmapMasked(marker, drawto, 0, 0,
+ marker->width, marker->height,
+ marker_x, marker_y);
+
+ if (!screen_initialized)
+ FadeIn(REDRAW_FIELD);
+ else
+ BackToFront();
+
+ screen_initialized = TRUE;
+
+ while (NextValidEvent(&event))
+ {
+ switch (event.type)
+ {
+ case SDL_JOYAXISMOTION:
+ if (event.jaxis.value > 20000 ||
+ event.jaxis.value < -20000)
+ {
+ for (j = 0; j < i; j++)
+ if (steps[j].axis == event.jaxis.axis)
+ break;
+
+ if (j == i)
+ {
+ if (step->marker != MARKER_AXIS_X &&
+ step->marker != MARKER_AXIS_Y)
+ break;
+
+ step->axis = event.jaxis.axis;
+ strcat(mapping, step->field);
+ snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
+ strcat(mapping, temp);
+ i++;
+ next = TRUE;
+ }
+ }
+
+ break;
+
+ case SDL_JOYHATMOTION:
+ /* ignore centering; we're probably just coming back
+ to the center from the previous item we set */
+ if (event.jhat.value == SDL_HAT_CENTERED)
+ break;
+
+ for (j = 0; j < i; j++)
+ if (steps[j].hat == event.jhat.hat &&
+ steps[j].hat_value == event.jhat.value)
+ break;
+
+ if (j == i)
+ {
+ step->hat = event.jhat.hat;
+ step->hat_value = event.jhat.value;
+ strcat(mapping, step->field);
+ snprintf(temp, sizeof(temp), ":h%u.%u,",
+ event.jhat.hat, event.jhat.value );
+ strcat(mapping, temp);
+ i++;
+ next = TRUE;
+ }
+
+ break;
+
+ case SDL_JOYBALLMOTION:
+ break;
+
+ case SDL_JOYBUTTONUP:
+ for (j = 0; j < i; j++)
+ if (steps[j].button == event.jbutton.button)
+ break;
+
+ if (j == i)
+ {
+ step->button = event.jbutton.button;
+ strcat(mapping, step->field);
+ snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
+ strcat(mapping, temp);
+ i++;
+ next = TRUE;
+ }
+
+ break;
+
+ case SDL_FINGERDOWN:
+ case SDL_MOUSEBUTTONDOWN:
+ /* skip this step */
+ i++;
+ next = TRUE;
+
+ break;
+
+ case SDL_KEYDOWN:
+ if (event.key.keysym.sym == KSYM_BackSpace ||
+ event.key.keysym.sym == KSYM_Back)
+ {
+ if (i == 0)
+ {
+ /* leave screen */
+ success = FALSE;
+ done = TRUE;
+
+ break;
+ }
+
+ /* undo this step */
+ prev_step = &steps[i - 1];
+ strcpy(mapping, prev_step->mapping);
+ i--;
+ next = TRUE;
+
+ break;
+ }
+
+ if (event.key.keysym.sym == KSYM_space ||
+ event.key.keysym.sym == KSYM_Return ||
+ event.key.keysym.sym == KSYM_Menu)
+ {
+ /* skip this step */
+ i++;
+ next = TRUE;
+
+ break;
+ }
+
+ if (event.key.keysym.sym == KSYM_Escape)
+ {
+ /* leave screen */
+ success = FALSE;
+ done = TRUE;
+ }
+
+ break;
+
+ case SDL_QUIT:
+ program.exit_function(0);
+ break;
+
+ default:
+ break;
+ }
+
+ // do not handle events for longer than standard frame delay period
+ if (DelayReached(&event_frame_delay, event_frame_delay_value))
+ break;
+ }