249 lines
7.7 KiB
C
249 lines
7.7 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "ephysics_test.h"
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typedef struct _Track_Data Track_Data;
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struct _Track_Data {
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Test_Data base;
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EPhysics_Body *body;
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Evas_Object *sp;
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int old_cx;
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};
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static void
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_update_floor(Evas_Object *layout, const char *name, int delta_x, int cy, Eina_Bool ver)
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{
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Evas_Object *floor_obj;
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int x, y, fx, fy;
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floor_obj = evas_object_data_get(layout, name);
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evas_object_geometry_get(floor_obj, &x, &y, NULL, NULL);
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fx = x + delta_x;
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if (fx < -FLOOR_WIDTH)
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fx += 2 * FLOOR_WIDTH;
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fy = (ver) ? FLOOR_Y - 20 - cy + 40 : y;
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evas_object_move(floor_obj, fx, fy);
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}
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static void
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_camera_moved_cb(void *data, EPhysics_World *world __UNUSED__, void *event_info)
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{
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EPhysics_Camera *camera = event_info;
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Track_Data *track_data = data;
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int cx, cy, delta_x = 0;
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Eina_Bool hor, ver;
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DBG("Camera moved");
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ephysics_camera_tracked_body_get(camera, NULL, &hor, &ver);
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ephysics_camera_position_get(camera, &cx, &cy);
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if (hor)
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delta_x = track_data->old_cx - cx;
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_update_floor(track_data->base.layout, "floor", delta_x, cy, ver);
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_update_floor(track_data->base.layout, "floor2", delta_x, cy, ver);
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track_data->old_cx = cx;
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}
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static void
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_track_apply(Track_Data *track_data)
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{
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Eina_Bool hor = EINA_FALSE;
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Eina_Bool ver = EINA_FALSE;
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EPhysics_Camera *camera;
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EPhysics_Body *body;
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int mode;
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body = track_data->body;
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camera = ephysics_world_camera_get(track_data->base.world);
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mode = (int) elm_spinner_value_get(track_data->sp);
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switch (mode)
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{
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case 1:
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hor = EINA_TRUE;
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break;
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case 3:
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hor = EINA_TRUE;
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case 2:
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ver = EINA_TRUE;
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}
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INF("Tracking mode: hor = %i, ver = %i", hor, ver);
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ephysics_camera_body_track(camera, body, hor, ver);
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}
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static void
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_tracking_mode_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_track_apply(data);
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}
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static void
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_world_populate(Track_Data *track_data)
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{
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static const char *colors[] = {"blue-cube", "purple-cube"};
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Evas_Object *cube, *sphere;
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EPhysics_Body *body;
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int i, color, row;
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for (i = 0; i < 9; i++)
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{
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color = i % 3 % 2;
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row = i / 3;
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cube = elm_image_add(track_data->base.win);
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elm_image_file_set(
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cube, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj",
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colors[color]);
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evas_object_move(cube, i * 70, (row + 2) * 70);
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evas_object_resize(cube, 70, 70);
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evas_object_show(cube);
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track_data->base.evas_objs = eina_list_append(
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track_data->base.evas_objs, cube);
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body = ephysics_body_box_add(track_data->base.world);
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ephysics_body_evas_object_set(body, cube, EINA_TRUE);
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ephysics_body_restitution_set(body, 0.95);
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ephysics_body_friction_set(body, 1);
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ephysics_body_mass_set(body, 0);
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track_data->base.bodies = eina_list_append(
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track_data->base.bodies, body);
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}
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sphere = elm_image_add(track_data->base.win);
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elm_image_file_set(
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sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "green-ball");
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evas_object_move(sphere, 0, 80);
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evas_object_resize(sphere, 54, 54);
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evas_object_show(sphere);
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track_data->base.evas_objs = eina_list_append(track_data->base.evas_objs,
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sphere);
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body = ephysics_body_sphere_add(track_data->base.world);
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ephysics_body_evas_object_set(body, sphere, EINA_TRUE);
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ephysics_body_restitution_set(body, 0.95);
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ephysics_body_friction_set(body, 1);
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ephysics_body_damping_set(body, 0.1, 0);
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ephysics_body_central_impulse_apply(body, 90, 0, 0);
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track_data->body = body;
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track_data->base.bodies = eina_list_append(track_data->base.bodies, body);
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}
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static void
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_restart(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Track_Data *track_data = data;
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EPhysics_Camera *camera;
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Evas_Object *floor_obj;
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DBG("Restart pressed");
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test_clean((Test_Data *)track_data);
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_world_populate(track_data);
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floor_obj = evas_object_data_get(track_data->base.layout, "floor");
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evas_object_move(floor_obj, - WIDTH / 2, FLOOR_Y - 20);
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floor_obj = evas_object_data_get(track_data->base.layout, "floor2");
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evas_object_move(floor_obj, FLOOR_WIDTH - WIDTH / 2, FLOOR_Y - 20);
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camera = ephysics_world_camera_get(track_data->base.world);
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ephysics_camera_position_set(camera, 50, 40);
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track_data->old_cx = 50;
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_track_apply(track_data);
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}
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static void
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_win_del(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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Track_Data *track_data = data;
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test_clean((Test_Data *)track_data);
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evas_object_del(track_data->base.layout);
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ephysics_world_del(track_data->base.world);
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free(track_data);
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ephysics_shutdown();
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}
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void
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test_camera_track(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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EPhysics_Body *boundary;
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Evas_Object *sp, *floor_obj;
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Track_Data *track_data;
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EPhysics_World *world;
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if (!ephysics_init())
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return;
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track_data = calloc(1, sizeof(Track_Data));
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if (!track_data)
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{
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ERR("Failed to create test data");
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ephysics_shutdown();
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return;
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}
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test_win_add((Test_Data *) track_data, "Camera Track", EINA_FALSE);
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evas_object_event_callback_add(track_data->base.win, EVAS_CALLBACK_DEL,
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_win_del, track_data);
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elm_layout_signal_callback_add(track_data->base.layout, "restart",
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"test-theme", _restart, track_data);
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sp = elm_spinner_add(track_data->base.win);
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elm_spinner_min_max_set(sp, 0, 3);
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elm_spinner_step_set(sp, 1);
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elm_spinner_wrap_set(sp, EINA_TRUE);
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elm_spinner_special_value_add(sp, 0, "No tracking");
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elm_spinner_special_value_add(sp, 1, "Horizontal tracking");
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elm_spinner_special_value_add(sp, 2, "Vertical tracking");
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elm_spinner_special_value_add(sp, 3, "Full tracking");
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elm_spinner_editable_set(sp, EINA_FALSE);
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elm_object_style_set(sp, "ephysics-test");
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evas_object_smart_callback_add(sp, "delay,changed", _tracking_mode_cb,
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track_data);
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elm_layout_content_set(track_data->base.layout, "extra_input", sp);
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track_data->sp = sp;
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floor_obj = elm_image_add(track_data->base.win);
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elm_image_file_set(
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floor_obj, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "floor");
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evas_object_move(floor_obj, - WIDTH / 2, FLOOR_Y - 20);
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evas_object_resize(floor_obj, FLOOR_WIDTH, 224);
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evas_object_show(floor_obj);
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evas_object_data_set(track_data->base.layout, "floor", floor_obj);
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floor_obj = elm_image_add(track_data->base.win);
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elm_image_file_set(
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floor_obj, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "floor");
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evas_object_move(floor_obj, FLOOR_WIDTH - WIDTH / 2, FLOOR_Y - 20);
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evas_object_resize(floor_obj, FLOOR_WIDTH, 224);
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evas_object_show(floor_obj);
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evas_object_data_set(track_data->base.layout, "floor2", floor_obj);
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world = ephysics_world_new();
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ephysics_world_render_geometry_set(world, 50, 40, -50,
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WIDTH - 100, FLOOR_Y - 40, DEPTH);
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track_data->base.world = world;
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ephysics_world_event_callback_add(world,
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EPHYSICS_CALLBACK_WORLD_CAMERA_MOVED,
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_camera_moved_cb, track_data);
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boundary = ephysics_body_box_add(track_data->base.world);
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ephysics_body_mass_set(boundary, 0);
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ephysics_body_geometry_set(boundary, 0, FLOOR_Y, -15, WIDTH * 4, 10, 30);
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ephysics_body_restitution_set(boundary, 0.65);
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ephysics_body_friction_set(boundary, 4);
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track_data->old_cx = 50;
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_world_populate(track_data);
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}
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