forked from enlightenment/efl
198 lines
6.2 KiB
C
198 lines
6.2 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 _Old_Rate Old_Rate;
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struct _Old_Rate {
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EPhysics_Body *body;
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double w;
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double h;
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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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free(data);
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}
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static void
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_win_resize_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
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{
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Test_Data *test_data = data;
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EPhysics_Body *sphere_body;
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double ratew, rateh;
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Evas_Object *sphere;
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Old_Rate *old_rate;
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int ww, wh, x, y;
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evas_object_geometry_get(obj, NULL, NULL, &ww, &wh);
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ratew = (double) ww / WIDTH;
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rateh = (double) wh / HEIGHT;
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/* Since we don't support different rates on ephysics world, we
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should make sure window keeps its aspect.
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Maybe if we decide it should be supported someday,
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this example could be modified just dropping the following check. */
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if (ratew > rateh)
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{
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ww = rateh * WIDTH;
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evas_object_resize(obj, ww, wh);
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return;
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}
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else if (ratew < rateh)
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{
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wh = ratew * HEIGHT;
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evas_object_resize(obj, ww, wh);
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return;
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}
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evas_object_resize(test_data->layout, ww, wh);
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ephysics_world_rate_set(test_data->world, 30 * rateh);
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ephysics_world_render_geometry_set(test_data->world, 50 * ratew, 40 *rateh,
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(WIDTH - 100) * ratew,
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(FLOOR_Y - 40) * rateh);
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old_rate = test_data->data;
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if (!old_rate) return;
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sphere_body = old_rate->body;
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sphere = ephysics_body_evas_object_get(sphere_body);
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evas_object_geometry_get(sphere, &x, &y, NULL, NULL);
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ephysics_body_move(sphere_body, x * (ratew / old_rate->w),
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y * (rateh / old_rate->h), -15);
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evas_object_resize(sphere, 70 * ratew, 70 * rateh);
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old_rate->w = ratew;
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old_rate->h = rateh;
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}
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static void
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_update_object_cb(void *data, EPhysics_Body *body, void *event_info)
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{
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Evas_Object *sphere = event_info;
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Evas_Object *shadow = data;
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Edje_Message_Float msg;
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Old_Rate *old_rate;
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Evas_Object *edje;
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int x, y, w, h;
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ephysics_body_evas_object_update(body);
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old_rate = ephysics_body_data_get(body);
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evas_object_geometry_get(sphere, &x, &y, &w, &h);
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if (y > SH_THRESHOLD * old_rate->h)
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{
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int sh_w;
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msg.val = (double) (y - SH_THRESHOLD * old_rate->h) /
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((FLOOR_Y - SH_THRESHOLD) * old_rate->h - h);
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sh_w = (1 + 2 * msg.val) * w / 3;
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evas_object_resize(shadow, sh_w, 3 * old_rate->h);
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evas_object_move(shadow, x + (w - sh_w) / 2, FLOOR_Y * old_rate->h);
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}
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else
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msg.val = 0;
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edje = elm_layout_edje_get(shadow);
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edje_object_message_send(edje, EDJE_MESSAGE_FLOAT, SHADOW_ALPHA_ID, &msg);
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}
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static void
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_world_populate(Test_Data *test_data)
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{
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Evas_Object *sphere, *shadow;
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EPhysics_Body *sphere_body;
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Old_Rate *old_rate;
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int w, h;
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old_rate = test_data->data;
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if (!test_data->data)
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old_rate = calloc(1, sizeof(Old_Rate));
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if (!old_rate) return;
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test_data->data = old_rate;
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evas_object_geometry_get(test_data->win, NULL, NULL, &w, &h);
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old_rate->w = (double) w / WIDTH;
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old_rate->h = (double) h / HEIGHT;
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shadow = elm_layout_add(test_data->win);
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elm_layout_file_set(
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shadow, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "shadow-ball");
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evas_object_move(shadow, WIDTH / 3 * old_rate->w, FLOOR_Y * old_rate->h);
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evas_object_resize(shadow, 70 * old_rate->w, 3 * old_rate->h);
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evas_object_show(shadow);
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test_data->evas_objs = eina_list_append(test_data->evas_objs, shadow);
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sphere = elm_image_add(test_data->win);
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elm_image_file_set(
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sphere, PACKAGE_DATA_DIR "/" EPHYSICS_TEST_THEME ".edj", "big-blue-ball");
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evas_object_move(sphere, WIDTH / 3 * old_rate->w, HEIGHT / 2 * old_rate->h);
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evas_object_resize(sphere, 70 * old_rate->w, 70 * old_rate->h);
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evas_object_show(sphere);
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test_data->evas_objs = eina_list_append(test_data->evas_objs, sphere);
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sphere_body = ephysics_body_circle_add(test_data->world);
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ephysics_body_evas_object_set(sphere_body, sphere, EINA_TRUE);
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ephysics_body_restitution_set(sphere_body, 1.0);
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ephysics_body_event_callback_add(sphere_body, EPHYSICS_CALLBACK_BODY_UPDATE,
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_update_object_cb, shadow);
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test_data->bodies = eina_list_append(test_data->bodies, sphere_body);
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old_rate->body = sphere_body;
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ephysics_body_data_set(sphere_body, old_rate);
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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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Test_Data *test_data = data;
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DBG("Restart pressed");
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test_clean(test_data);
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_world_populate(test_data);
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}
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void
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test_win_resize(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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EPhysics_World *world;
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Test_Data *test_data;
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if (!ephysics_init())
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return;
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test_data = test_data_new();
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test_win_add(test_data, "Win Resize", EINA_TRUE);
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evas_object_event_callback_add(test_data->win, EVAS_CALLBACK_RESIZE,
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_win_resize_cb, test_data);
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elm_layout_signal_callback_add(test_data->layout, "restart", "test-theme",
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_restart, test_data);
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elm_object_signal_emit(test_data->layout, "borders,show", "ephysics_test");
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evas_object_size_hint_weight_set(test_data->layout, EVAS_HINT_EXPAND,
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EVAS_HINT_EXPAND);
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elm_win_aspect_set(test_data->win, (double) WIDTH / HEIGHT);
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evas_object_event_callback_add(test_data->win, EVAS_CALLBACK_DEL,
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_win_del, test_data->data);
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world = ephysics_world_new();
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ephysics_world_render_geometry_set(world, 50, 40, WIDTH - 100, FLOOR_Y - 40);
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test_data->world = world;
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boundary = ephysics_body_bottom_boundary_add(test_data->world);
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ephysics_body_restitution_set(boundary, 1.0);
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boundary = ephysics_body_right_boundary_add(test_data->world);
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ephysics_body_restitution_set(boundary, 1.0);
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boundary = ephysics_body_left_boundary_add(test_data->world);
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ephysics_body_restitution_set(boundary, 1.0);
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ephysics_body_top_boundary_add(test_data->world);
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_world_populate(test_data);
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}
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