Properly link flecs library

engine/libs/flecs/test/addons/src/SystemManual.c

@@ -0,0 +1,156 @@
+#include <addons.h>
+
+void SystemManual_setup(void) {
+    ecs_log_set_level(-3);
+}
+
+static
+void Iter(ecs_iter_t *it) {
+    Position *p = ecs_field(it, Position, 1);
+    Velocity *v = NULL;
+    Mass *m = NULL;
+        
+    if (it->field_count >= 2) {
+        v = ecs_field(it, Velocity, 2);
+    }
+
+    if (it->field_count >= 3) {
+        m = ecs_field(it, Mass, 3);
+    }
+
+    probe_iter(it);
+
+    int i;
+    for (i = 0; i < it->count; i ++) {
+        p[i].x = 10;
+        p[i].y = 20;
+
+        if (v) {
+            v[i].x = 30;
+            v[i].y = 40;
+        }
+
+        if (m) {
+            m[i] = 50;
+        }
+    }
+}
+
+void SystemManual_1_type_1_component(void) {
+    ecs_world_t *world = ecs_init();
+
+    ECS_COMPONENT(world, Position);
+    ECS_SYSTEM(world, Iter, 0, Position);
+
+    ECS_ENTITY(world, e1, Position);
+    ECS_ENTITY(world, e2, Position);
+    ECS_ENTITY(world, e3, Position);
+    
+
+    Probe ctx = {0};
+    ecs_set_ctx(world, &ctx, NULL);
+
+    ecs_run(world, Iter, 1, NULL);
+
+    test_int(ctx.count, 3);
+    test_int(ctx.invoked, 1);
+    test_int(ctx.system, Iter);
+    test_int(ctx.term_count, 1);
+    test_null(ctx.param);
+
+    test_int(ctx.e[0], e1);
+    test_int(ctx.e[1], e2);
+    test_int(ctx.e[2], e3);
+    test_int(ctx.c[0][0], ecs_id(Position));
+    test_int(ctx.s[0][0], 0);
+
+    const Position *p = ecs_get(world, e1, Position);
+    test_assert(p != NULL);
+    test_int(p->x, 10);
+    test_int(p->y, 20);
+
+    p = ecs_get(world, e2, Position);
+    test_assert(p != NULL);
+    test_int(p->x, 10);
+    test_int(p->y, 20);
+
+    p = ecs_get(world, e3, Position);
+    test_assert(p != NULL);
+    test_int(p->x, 10);
+    test_int(p->y, 20);
+
+    ecs_fini(world);
+}
+
+static int normal_count;
+
+static
+void NormalSystem(ecs_iter_t *it) {
+    normal_count ++;
+}
+
+static
+void AddVelocity(ecs_iter_t *it) {
+    ecs_id_t ecs_id(Velocity) = ecs_field_id(it, 2);
+
+    int i;
+    for (i = 0; i < it->count; i ++) {
+        ecs_add(it->world, it->entities[i], Velocity);
+    }
+}
+
+void SystemManual_no_automerge(void) {
+    ecs_world_t *world = ecs_init();
+
+    ECS_COMPONENT(world, Position);
+    ECS_COMPONENT(world, Velocity);
+
+    ECS_SYSTEM(world, AddVelocity, 0, Position, Velocity());
+
+    ECS_ENTITY(world, e1, Position);
+
+    ecs_set_automerge(world, false);
+
+    ecs_readonly_begin(world);
+    ecs_world_t *stage = ecs_get_stage(world, 0);
+
+    ecs_run(stage, AddVelocity, 1, NULL);
+
+    test_assert(!ecs_has(stage, e1, Velocity));
+
+    ecs_readonly_end(world);
+
+    test_assert(!ecs_has(world, e1, Velocity));
+
+    ecs_merge(world);
+
+    test_assert(ecs_has(world, e1, Velocity));
+
+    ecs_fini(world);
+}
+
+static int dummy_ran = 0;
+
+void DummySystem(ecs_iter_t *it) {
+    ecs_entity_t Tag = ecs_field_id(it, 1);
+    ecs_add_id(it->world, Tag, Tag);
+    dummy_ran ++;
+}
+
+void SystemManual_dont_run_w_unmatching_entity_query(void) {
+    ecs_world_t *world = ecs_init();
+
+    ECS_TAG(world, Tag);
+
+    ECS_SYSTEM(world, DummySystem, 0, !Tag($));
+
+    ecs_run(world, DummySystem, 0, NULL);
+    test_int(dummy_ran, 1);
+
+    dummy_ran = 0;
+
+    ecs_run(world, DummySystem, 0, NULL);
+    test_int(dummy_ran, 0);
+
+    ecs_fini(world);
+}