Esempio n. 1
0
static void joystick_callback(int jid, int event)
{
    if (event == GLFW_CONNECTED)
    {
        int axisCount, buttonCount, hatCount;

        glfwGetJoystickAxes(jid, &axisCount);
        glfwGetJoystickButtons(jid, &buttonCount);
        glfwGetJoystickHats(jid, &hatCount);

        printf("%08x at %0.3f: Joystick %i (%s) was connected with %i axes, %i buttons, and %i hats\n",
               counter++, glfwGetTime(),
               jid,
               glfwGetJoystickName(jid),
               axisCount,
               buttonCount,
               hatCount);
    }
    else
    {
        printf("%08x at %0.3f: Joystick %i was disconnected\n",
               counter++, glfwGetTime(), jid);
    }
}
Esempio n. 2
0
int main(void)
{
    int jid, hat_buttons = GLFW_FALSE;
    struct nk_context* nk;
    struct nk_font_atlas* atlas;

    memset(joysticks, 0, sizeof(joysticks));

    glfwSetErrorCallback(error_callback);

    if (!glfwInit())
        exit(EXIT_FAILURE);

    window = glfwCreateWindow(800, 600, "Joystick Test", NULL, NULL);
    if (!window)
    {
        glfwTerminate();
        exit(EXIT_FAILURE);
    }

    glfwMakeContextCurrent(window);
    gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
    glfwSwapInterval(1);

    nk = nk_glfw3_init(window, NK_GLFW3_INSTALL_CALLBACKS);
    nk_glfw3_font_stash_begin(&atlas);
    nk_glfw3_font_stash_end();

    for (jid = GLFW_JOYSTICK_1;  jid <= GLFW_JOYSTICK_LAST;  jid++)
    {
        if (glfwJoystickPresent(jid))
            joysticks[joystick_count++] = jid;
    }

    glfwSetJoystickCallback(joystick_callback);

    while (!glfwWindowShouldClose(window))
    {
        int i, width, height;

        glfwGetWindowSize(window, &width, &height);

        glClear(GL_COLOR_BUFFER_BIT);
        nk_glfw3_new_frame();

        if (nk_begin(nk,
                     "Joysticks",
                     nk_rect(width - 200.f, 0.f, 200.f, (float) height),
                     NK_WINDOW_MINIMIZABLE |
                     NK_WINDOW_TITLE))
        {
            nk_layout_row_dynamic(nk, 30, 1);

            nk_checkbox_label(nk, "Hat buttons", &hat_buttons);

            if (joystick_count)
            {
                for (i = 0;  i < joystick_count;  i++)
                {
                    if (nk_button_label(nk, joystick_label(joysticks[i])))
                        nk_window_set_focus(nk, joystick_label(joysticks[i]));
                }
            }
            else
                nk_label(nk, "No joysticks connected", NK_TEXT_LEFT);
        }

        nk_end(nk);

        for (i = 0;  i < joystick_count;  i++)
        {
            if (nk_begin(nk,
                         joystick_label(joysticks[i]),
                         nk_rect(i * 20.f, i * 20.f, 550.f, 570.f),
                         NK_WINDOW_BORDER |
                         NK_WINDOW_MOVABLE |
                         NK_WINDOW_SCALABLE |
                         NK_WINDOW_MINIMIZABLE |
                         NK_WINDOW_TITLE))
            {
                int j, axis_count, button_count, hat_count;
                const float* axes;
                const unsigned char* buttons;
                const unsigned char* hats;
                GLFWgamepadstate state;

                nk_layout_row_dynamic(nk, 30, 1);
                nk_label(nk, "Joystick state", NK_TEXT_LEFT);

                axes = glfwGetJoystickAxes(joysticks[i], &axis_count);
                buttons = glfwGetJoystickButtons(joysticks[i], &button_count);
                hats = glfwGetJoystickHats(joysticks[i], &hat_count);

                if (!hat_buttons)
                    button_count -= hat_count * 4;

                for (j = 0;  j < axis_count;  j++)
                    nk_slide_float(nk, -1.f, axes[j], 1.f, 0.1f);

                nk_layout_row_dynamic(nk, 30, 12);

                for (j = 0;  j < button_count;  j++)
                {
                    char name[16];
                    snprintf(name, sizeof(name), "%i", j + 1);
                    nk_select_label(nk, name, NK_TEXT_CENTERED, buttons[j]);
                }

                nk_layout_row_dynamic(nk, 30, 8);

                for (j = 0;  j < hat_count;  j++)
                    hat_widget(nk, hats[j]);

                nk_layout_row_dynamic(nk, 30, 1);

                if (glfwGetGamepadState(joysticks[i], &state))
                {
                    int hat = 0;
                    const char* names[GLFW_GAMEPAD_BUTTON_LAST + 1 - 4] =
                    {
                        "A", "B", "X", "Y",
                        "LB", "RB",
                        "Back", "Start", "Guide",
                        "LT", "RT",
                    };

                    nk_label(nk, "Gamepad state", NK_TEXT_LEFT);

                    nk_layout_row_dynamic(nk, 30, 2);

                    for (j = 0;  j <= GLFW_GAMEPAD_AXIS_LAST;  j++)
                        nk_slide_float(nk, -1.f, state.axes[j], 1.f, 0.1f);

                    nk_layout_row_dynamic(nk, 30, GLFW_GAMEPAD_BUTTON_LAST + 1 - 4);

                    for (j = 0;  j <= GLFW_GAMEPAD_BUTTON_LAST - 4;  j++)
                        nk_select_label(nk, names[j], NK_TEXT_CENTERED, state.buttons[j]);

                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_UP])
                        hat |= GLFW_HAT_UP;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_RIGHT])
                        hat |= GLFW_HAT_RIGHT;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_DOWN])
                        hat |= GLFW_HAT_DOWN;
                    if (state.buttons[GLFW_GAMEPAD_BUTTON_DPAD_LEFT])
                        hat |= GLFW_HAT_LEFT;

                    nk_layout_row_dynamic(nk, 30, 8);
                    hat_widget(nk, hat);
                }
                else
                    nk_label(nk, "Joystick has no gamepad mapping", NK_TEXT_LEFT);
            }

            nk_end(nk);
        }

        nk_glfw3_render(NK_ANTI_ALIASING_ON, 10000, 1000);

        glfwSwapBuffers(window);
        glfwPollEvents();
    }

    glfwTerminate();
    exit(EXIT_SUCCESS);
}