OVR: Show mirror of single eye only
[mercenary-reloaded.git] / src / mercenary / main.c
index f944dd0..45d87e4 100644 (file)
@@ -55,7 +55,7 @@
 
 static int config_ctrl_c = 0;
 static int config_amiga_speed = 0; /* fast speed */
-static double config_fps = 16.0;
+static double config_fps = 10.0;
 #if !defined(_WIN32)
 static const char *config_gamesave_dir = ".mercenary";
 #endif
@@ -64,6 +64,7 @@ static int config_audio_filter = 1;
 static int config_render = 1; /* opengl render */
 static int config_skip_intro = 0;
 static int config_multisampling = 8;
+static int config_joystick = -1, config_joystick_x = -1, config_joystick_y = -1, config_joystick_fire = -1;
 #ifdef HAVE_OVR
 static double config_benson_size = 0.7;
 static double config_fov = FOV_JOLLY;
@@ -113,13 +114,8 @@ static uint8_t *info_osd = NULL;
 static int help_view = 1;
 static int help_views = 0;
 static int32_t osd_timer = 0, border_timer = 0;
-#ifdef HAVE_OVR
-#define SCREEN_WIDTH   1344
-#define SCREEN_HEIGHT  800
-#else
 #define SCREEN_WIDTH   (320*3)
 #define SCREEN_HEIGHT  (200*3)
-#endif
 #define IMAGE_WIDTH    320
 #define IMAGE_HEIGHT   200
 #define BENSON_AT_LINE 136
@@ -171,6 +167,12 @@ int parse_args(int argc, char *argv[])
                        print_info("        Set field-of-view. Default is %.0f.\n", FOV_NOVAGEN);
                        print_info(" -i --skip-intro\n");
                        print_info("        Skip intro sequence approaching to Eris space port.\n");
+                       print_info(" -j --joystick <num> | list\n");
+                       print_info("        Select given joystick number or show list. (default = 0, if available)\n");
+                       print_info("    --joystick-x <axis num>\n");
+                       print_info("    --joystick-y <axis num>\n");
+                       print_info("    --joystick-fire <button num>\n");
+                       print_info("        Specify explicit axis and button of joystick.\n");
                        print_info("Improvement options:\n");
                        print_info("    --extend-roads 1 | 0\n");
                        print_info("        Roads in the distance end in a single point. This was ok for low\n");
@@ -295,6 +297,34 @@ illegal_parameter:
                if (!strcmp(argv[i], "-i") || !strcmp(argv[i], "--skip-intro")) {
                        config_skip_intro = 1;
                } else
+               if (!strcmp(argv[i], "-j") || !strcmp(argv[i], "--joystick")) {
+                       i++;
+                       if (argc == i)
+                               goto missing_parameter;
+                       if (!strcmp(argv[i], "list")) {
+                               sdl_list_joysticks();
+                               return 1;
+                       }
+                       config_joystick = atoi(argv[i]);
+               } else
+               if (!strcmp(argv[i], "--joystick-x")) {
+                       i++;
+                       if (argc == i)
+                               goto missing_parameter;
+                       config_joystick_x = atoi(argv[i]);
+               } else
+               if (!strcmp(argv[i], "--joystick-y")) {
+                       i++;
+                       if (argc == i)
+                               goto missing_parameter;
+                       config_joystick_y = atoi(argv[i]);
+               } else
+               if (!strcmp(argv[i], "--joystick-fire")) {
+                       i++;
+                       if (argc == i)
+                               goto missing_parameter;
+                       config_joystick_fire = atoi(argv[i]);
+               } else
                if (!strcmp(argv[i], "--extend-roads")) {
                        i++;
                        if (argc == i)
@@ -386,6 +416,8 @@ static int thrust_last = 0;
 static int joystick_set_x_last = 0, joystick_set_y_last = 0;
 static int keyboard_on = 0;
 static enum keycode vr_key_pressed = 0, vr_key = 0;
+static int we_walk = 0, we_rotate = 0;
+static double degrees45 = 45.0 / 180.0 * M_PI;
 
 static void handle_vr_poses(void)
 {
@@ -401,41 +433,34 @@ static void handle_vr_poses(void)
 
        /* handle input */
        get_poses_ovr(&button_a, &button_b, &button_x, &button_y, &button_menu, &button_left_trigger, &button_right_trigger, &button_left_thumb, &button_right_thumb, &hand_right_x, &hand_right_y, &hand_right_z, &hand_right_yaw, &hand_right_pitch, &hand_right_roll, &stick_left_x, &stick_left_y, &stick_right_x, &stick_right_y, &head_yaw, &head_pitch, &head_roll);
-       if (button_menu && !button_menu_last) {
+       if (button_a && !button_a_last) {
                /* menu toggle */
                toggle_help();
        }
-       if (button_right_thumb) {
+       if (button_b && !button_b_last) {
+               /* reset observer */
+               reset_observer_ovr();
+               osd_info("", "reset observer");
+       }
+       if (button_x && !button_x_last) {
+               /* menu toggle */
+               toggle_help();
+       }
+       if (button_y && !button_y_last) {
                /* reset observer */
                reset_observer_ovr();
                osd_info("", "reset observer");
        }
        if (!help_view) {
-               if (button_x && !button_x_last) {
-                       /* 'board' pressed */
-                       set_amiga_key(KEYCODE_b, 1);
-                       set_amiga_key(KEYCODE_b, 0);
-                       /* important: get rid of old state */
-                       thrust = 0;
-               }
-               if (button_y && !button_y_last) {
-                       /* 'leave' pressed */
-                       set_amiga_key(KEYCODE_l, 1);
-                       set_amiga_key(KEYCODE_l, 0);
-               }
                if (button_right_trigger && !button_right_trigger_last) {
                        /* trigger pressed */
                        if (keyboard_on) {
                                if (vr_key) {
                                        vr_key_pressed = vr_key;
                                        set_amiga_key(vr_key_pressed, 1);
+                                       /* reset vr thrust */
+                                       thrust = 0;
                                }
-                       } else
-                       if (mercenary_get_info_walking()) {
-                               /* change orientation */
-                               double roll, pitch, yaw;
-                               mercenary_get_orientation(&roll, &pitch, &yaw);
-                               mercenary_set_orientation(yaw + hand_right_yaw);
                        } else {
                                /* fire button */
                                set_joystick(-1, -1, -1, -1, 1);
@@ -480,24 +505,48 @@ static void handle_vr_poses(void)
                        }
                } else {
                        double roll, pitch, yaw;
-                       double dist, dir, east, north;
+                       double tilt, dir, east, north;
                        int32_t move_east[4], move_north[4];
 
-                       /* check if we push the stick */
-                       dist = sqrt(stick_right_x * stick_right_x + stick_right_y * stick_right_y);
-                       if (dist > STICK_WALK_THRESHOLD) {
+                       tilt = sqrt(stick_right_x * stick_right_x + stick_right_y * stick_right_y);
+
+                       /* check if we rotate, walk or rest */
+                       if (we_rotate == 0 && we_walk == 0) {
+                               /* we rest */
+                               if (fabs(stick_right_y) > fabs(stick_right_x) && tilt > STICK_WALK_THRESHOLD)
+                                       we_walk = 1;
+                               if (fabs(stick_right_x) > fabs(stick_right_y) && tilt > STICK_ROTATE_THRESHOLD)
+                                       we_rotate = 1;
+                       } else if (we_walk) {
+                               /* we walk */
+                               if (tilt < STICK_WALK_THRESHOLD) {
+                                       we_walk = 0;
+                                       /* we need to stop right here and not continue until next rendering */
+                                       set_joystick(-1, -1, 0, 0, -1); /* stop y */
+                                       reset_joystick(); /* commit stop */
+                               }
+                       } else {
+                               /* we rotate */
+                               if (tilt < STICK_ROTATE_THRESHOLD)
+                                       we_rotate = 0;
+                       }
+
+                       /* if we walk */
+                       if (we_walk) {
                                /* get stick amplitude (dist) and direction (dir) */
-                               if (dist > 1.0)
-                                       dist = 1.0;
-                               dist = (dist - STICK_WALK_THRESHOLD) / (1.0 - STICK_WALK_THRESHOLD) * 40.0;
+                               if (tilt > 1.0)
+                                       tilt = 1.0;
+                               tilt = (tilt - STICK_WALK_THRESHOLD) / (1.0 - STICK_WALK_THRESHOLD) * 40.0;
                                dir = atan2(stick_right_x, stick_right_y);
+#if 0
                                /* use hand direction to get actual stick direction */
                                dir = fmod(dir - hand_right_yaw, M_PI * 2.0);
                                if (dir < -M_PI)
                                        dir += M_PI * 2.0;
                                if (dir > M_PI)
                                        dir -= M_PI * 2.0;
-                               /* flip directin, if we walk backwards */
+#endif
+                               /* flip direction, if we walk backwards */
                                if (dir > M_PI / 2.0 || dir < -M_PI / 2.0) {
                                        /* go backwards */
                                        set_joystick(-1, -1, 0, 1, -1);
@@ -507,10 +556,9 @@ static void handle_vr_poses(void)
                                        set_joystick(-1, -1, 1, 0, -1);
                                        joystick_set_y = 1;
                                }
-                               joystick_set_y = 1;
                                mercenary_get_orientation(&roll, &pitch, &yaw);
-                               east = sin(yaw - dir + M_PI) * dist;
-                               north = -cos(yaw - dir + M_PI) * dist;
+                               east = sin(yaw - dir + M_PI) * tilt;
+                               north = -cos(yaw - dir + M_PI) * tilt;
                                /* calculatate the integer positions of 4 steps */
                                move_east[0] = (int32_t)((east * 0.25) + 0.5);
                                move_north[0] = (int32_t)((north * 0.25) + 0.5);
@@ -530,6 +578,20 @@ static void handle_vr_poses(void)
                                /* the game takes 4 steps to move the player */
                                mercenary_vr_move(1, move_east, move_north, 256, 256);
                        }
+
+                       /* snap orientation to steps of 45 degrees */
+                       if (we_rotate == 1) {
+                               mercenary_get_orientation(&roll, &pitch, &yaw);
+                               yaw = round(yaw / degrees45) * degrees45;
+                               /* if we rotate: change orientation */
+                               if (stick_right_x > 0)
+                                       yaw -= degrees45;
+                               else
+                                       yaw += degrees45;
+                               /* rotate only once per stick movement */
+                               we_rotate = 2;
+                               mercenary_set_orientation(yaw);
+                       }
                }
                if (joystick_set_x_last && !joystick_set_x)
                        set_joystick(0, 0, -1, -1, -1);
@@ -703,6 +765,9 @@ static void main_loop(void)
        /* render result on window */
        while (!quit) {
 #ifdef HAVE_OVR
+               /* quit by OVR server */
+               if (should_quit_ovr())
+                       break;
                /* get vr poses */
                handle_vr_poses();
 #endif
@@ -1272,10 +1337,43 @@ static void keyboard_sdl(int down, enum keycode keycode)
                set_amiga_key(KEYCODE_HELP, down);
                break;
        default:
+               /* reset vr thrust */
+#ifdef HAVE_OVR
+               thrust_last = 0;
+#endif
                set_amiga_key(keycode, down);
        }
 }
 
+static double joystick_last_x = 0, joystick_last_y = 0;
+static int joystick_last_fire = 0;
+
+static void joystick_sdl(double x, double y, int fire)
+{
+       int left = -1, right = -1, up = -1, down = -1;
+
+       if (x <= -0.5 && joystick_last_x > -0.5)
+               left = 1;
+       if (x > -0.5 && joystick_last_x <= -0.5)
+               left = 0;
+       if (x >= 0.5 && joystick_last_x < 0.5)
+               right = 1;
+       if (x < 0.5 && joystick_last_x >= 0.5)
+               right = 0;
+       if (y <= -0.5 && joystick_last_y > -0.5)
+               up = 1;
+       if (y > -0.5 && joystick_last_y <= -0.5)
+               up = 0;
+       if (y >= 0.5 && joystick_last_y < 0.5)
+               down = 1;
+       if (y < 0.5 && joystick_last_y >= 0.5)
+               down = 0;
+       set_joystick(left, right, up, down, fire);
+       joystick_last_x = x;
+       joystick_last_y = y;
+       joystick_last_fire = fire;
+}
+
 void audio_sdl(float *data, int length)
 {
        int fill, s;
@@ -1399,7 +1497,7 @@ int main(int argc, char *argv[])
        window_width = (config_debug_opengl) ? SCREEN_WIDTH / 3 * 2 : SCREEN_WIDTH;
        window_height = (config_debug_opengl) ? SCREEN_HEIGHT / 3 * 4 : SCREEN_HEIGHT;
 #endif
-       rc = init_sdl(argv[0], window_width, window_height, SOUND_SAMPLERATE, sdl_sound_chunk, keyboard_sdl, audio_sdl, resize_window, multisampling, vbl_sync, vr);
+       rc = init_sdl(mercenary_name, window_width, window_height, SOUND_SAMPLERATE, sdl_sound_chunk, keyboard_sdl, config_joystick, config_joystick_x, config_joystick_y, config_joystick_fire, joystick_sdl, audio_sdl, resize_window, multisampling, vbl_sync, vr);
        if (rc < 0)
                goto done;
 #ifdef HAVE_OVR
@@ -1443,7 +1541,7 @@ int main(int argc, char *argv[])
                "        Press `CTRL' + `I' to skip intro (approaching to Eris).\n"
                "        Press `CTRL' + `1' or `2' to insert or `0' to remove mission disk.\n"
 #ifdef HAVE_OVR
-               "        Press `CTRL' + `O' (or both triggers) to reset observer position.\n"
+               "        Press `CTRL' + `O' to reset observer position.\n"
 #endif
                "\n"
                "Answer to a Question:\n"
@@ -1484,15 +1582,15 @@ int main(int argc, char *argv[])
        text_render(help_osd[2], IMAGE_WIDTH * 2, IMAGE_HEIGHT * 2, mercenary_name, HELP_ALPHA, 3, (double)(80 - strlen(mercenary_name)) / 2.0, 1, 1);
        text_render(help_osd[2], IMAGE_WIDTH * 2, IMAGE_HEIGHT * 2,
                "Emulation using Controller:\n"
-               "        Press `Enter' button to toggle this help screen on or off.\n"
-               "        To have a virtual keyboard, point below benson (control pannel).\n"
+               "        Press `A' or 'X' button to toggle this help screen on or off.\n"
+               "        Press 'B' or 'Y' button to reset observer position. (importaint!)\n"
+               "        To have a virtual keyboard, point right hand below control pannel.\n"
                "        Point to a key on keyboard. The key will highlight.\n"
                "        Pull `Trigger' on right controller to enter the highlighted key.\n"
-               "        Press thumb stick on left controller to reset observer position.\n"
                "\n"
                "Walking / Driving / Flying using Controller:\n"
                "        Use thumb stick on right controller, to move player / craft.\n"
-               "        Point right controller towards the direction to walk to.\n"
+               "        Move thumb stick forth and back to walk, left and right to rotate.\n"
                "        Pull `Trigger' on right controller to change orientation.\n"
                "        Press `X' button to board, `Y' button to leave.\n"
                "        Move thumb stick on left controller to drive/fly forward or backward.\n"