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Add area and flag on physics

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Dominic Masters
2026-07-20 12:31:14 -05:00
parent 373f1c1010
commit b9f06fef7a
27 changed files with 1956 additions and 114 deletions
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test/physics/test_triggersystem.c
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/**
* Copyright (c) 2026 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "dusktest.h"
#include "util/memory.h"
#include "entity/entitymanager.h"
#include "entity/component/display/entityposition.h"
#include "entity/component/physics/entityphysics.h"
#include "entity/component/trigger/entitytrigger.h"
#include "entity/component/trigger/entitytriggerevents.h"
#include "physics/triggersystem.h"
static uint32_t TS_ENTER_COUNT;
static uint32_t TS_ACTIVE_COUNT;
static uint32_t TS_MOVE_COUNT;
static uint32_t TS_LEAVE_COUNT;
static void test_resetCounts(void) {
TS_ENTER_COUNT = 0;
TS_ACTIVE_COUNT = 0;
TS_MOVE_COUNT = 0;
TS_LEAVE_COUNT = 0;
}
static void ts_onEnter(
entitymanager_t *mgr,
const entityid_t triggerEntityId,
const componentid_t triggerComponentId,
const entityid_t otherEntityId,
const componentid_t otherComponentId,
void *user
) {
TS_ENTER_COUNT++;
}
static void ts_onActive(
entitymanager_t *mgr,
const entityid_t triggerEntityId,
const componentid_t triggerComponentId,
const entityid_t otherEntityId,
const componentid_t otherComponentId,
void *user
) {
TS_ACTIVE_COUNT++;
}
static void ts_onMove(
entitymanager_t *mgr,
const entityid_t triggerEntityId,
const componentid_t triggerComponentId,
const entityid_t otherEntityId,
const componentid_t otherComponentId,
void *user
) {
TS_MOVE_COUNT++;
}
static void ts_onLeave(
entitymanager_t *mgr,
const entityid_t triggerEntityId,
const componentid_t triggerComponentId,
const entityid_t otherEntityId,
const componentid_t otherComponentId,
void *user
) {
TS_LEAVE_COUNT++;
}
static void test_triggerSystemLifecycle(void **state) {
test_resetCounts();
entitymanager_t mgr;
entityManagerInit(&mgr);
entityid_t trigEntity = entityManagerAdd(&mgr);
entityAddComponent(&mgr, trigEntity, COMPONENT_TYPE_POSITION);
componentid_t trig = entityAddComponent(
&mgr, trigEntity, COMPONENT_TYPE_TRIGGER
);
entityTriggerOnEnterAdd(&mgr, trigEntity, trig, ts_onEnter, NULL);
entityTriggerOnActiveAdd(&mgr, trigEntity, trig, ts_onActive, NULL);
entityTriggerOnMoveAdd(&mgr, trigEntity, trig, ts_onMove, NULL);
entityTriggerOnLeaveAdd(&mgr, trigEntity, trig, ts_onLeave, NULL);
entityid_t otherEntity = entityManagerAdd(&mgr);
componentid_t otherPos = entityAddComponent(
&mgr, otherEntity, COMPONENT_TYPE_POSITION
);
entityAddComponent(&mgr, otherEntity, COMPONENT_TYPE_PHYSICS);
// Starts far away: no overlap, no events.
vec3 farPos = { 10.0f, 0.0f, 0.0f };
entityPositionSetLocalPosition(&mgr, otherEntity, otherPos, farPos);
triggerSystemStep(&mgr);
assert_int_equal(TS_ENTER_COUNT, 0);
assert_int_equal(entityTriggerGetOccupantCount(&mgr, trigEntity, trig), 0);
// Moves fully inside: onEnter fires once, not onActive.
vec3 insidePos = { 0.0f, 0.0f, 0.0f };
entityPositionSetLocalPosition(&mgr, otherEntity, otherPos, insidePos);
triggerSystemStep(&mgr);
assert_int_equal(TS_ENTER_COUNT, 1);
assert_int_equal(TS_ACTIVE_COUNT, 0);
assert_int_equal(entityTriggerGetOccupantCount(&mgr, trigEntity, trig), 1);
assert_true(
entityTriggerIsOccupyingEntity(&mgr, trigEntity, trig, otherEntity)
);
// Stays put: onActive fires, no onMove (position unchanged).
triggerSystemStep(&mgr);
assert_int_equal(TS_ENTER_COUNT, 1);
assert_int_equal(TS_ACTIVE_COUNT, 1);
assert_int_equal(TS_MOVE_COUNT, 0);
// Shifts slightly but still overlapping: onActive + onMove both fire.
vec3 shiftedPos = { 0.1f, 0.0f, 0.0f };
entityPositionSetLocalPosition(&mgr, otherEntity, otherPos, shiftedPos);
triggerSystemStep(&mgr);
assert_int_equal(TS_ACTIVE_COUNT, 2);
assert_int_equal(TS_MOVE_COUNT, 1);
// Leaves: onLeave fires, occupant list empties.
entityPositionSetLocalPosition(&mgr, otherEntity, otherPos, farPos);
triggerSystemStep(&mgr);
assert_int_equal(TS_LEAVE_COUNT, 1);
assert_int_equal(entityTriggerGetOccupantCount(&mgr, trigEntity, trig), 0);
assert_false(
entityTriggerIsOccupyingEntity(&mgr, trigEntity, trig, otherEntity)
);
entityManagerDispose(&mgr);
assert_int_equal(memoryGetAllocatedCount(), 0);
}
static void test_triggerSystemCollideMaskFilter(void **state) {
test_resetCounts();
entitymanager_t mgr;
entityManagerInit(&mgr);
entityid_t trigEntity = entityManagerAdd(&mgr);
entityAddComponent(&mgr, trigEntity, COMPONENT_TYPE_POSITION);
componentid_t trig = entityAddComponent(
&mgr, trigEntity, COMPONENT_TYPE_TRIGGER
);
entityTriggerSetCollideMask(&mgr, trigEntity, trig, 0x1);
entityTriggerOnEnterAdd(&mgr, trigEntity, trig, ts_onEnter, NULL);
entityid_t otherEntity = entityManagerAdd(&mgr);
entityAddComponent(&mgr, otherEntity, COMPONENT_TYPE_POSITION);
componentid_t otherPhys = entityAddComponent(
&mgr, otherEntity, COMPONENT_TYPE_PHYSICS
);
entityPhysicsSetCollideMask(&mgr, otherEntity, otherPhys, 0x2);
// Fully overlapping (both default to the origin), but masks share no
// bits -- must not be detected.
triggerSystemStep(&mgr);
assert_int_equal(TS_ENTER_COUNT, 0);
assert_int_equal(entityTriggerGetOccupantCount(&mgr, trigEntity, trig), 0);
// Sharing bit 0x1 now -- detected.
entityPhysicsSetCollideMask(&mgr, otherEntity, otherPhys, 0x3);
triggerSystemStep(&mgr);
assert_int_equal(TS_ENTER_COUNT, 1);
assert_int_equal(entityTriggerGetOccupantCount(&mgr, trigEntity, trig), 1);
entityManagerDispose(&mgr);
assert_int_equal(memoryGetAllocatedCount(), 0);
}
static void test_triggerSystemStepNoTriggersIsNoop(void **state) {
entitymanager_t mgr;
entityManagerInit(&mgr);
entityManagerAdd(&mgr);
triggerSystemStep(&mgr);
entityManagerDispose(&mgr);
assert_int_equal(memoryGetAllocatedCount(), 0);
}
int main(int argc, char **argv) {
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_triggerSystemLifecycle),
cmocka_unit_test(test_triggerSystemCollideMaskFilter),
cmocka_unit_test(test_triggerSystemStepNoTriggersIsNoop),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}