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set local xform when applying child attachment

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jacob 2024-08-26 16:13:34 -05:00
parent 4ce85c1bef
commit bdcc6a8c81
1 changed files with 37 additions and 38 deletions
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75
src/game.c
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@ -145,6 +145,8 @@ INTERNAL void spawn_test_entities(void)
e->mass_unscaled = 70; e->mass_unscaled = 70;
e->ground_friction = 1000; e->ground_friction = 1000;
entity_enable_prop(e, ENTITY_PROP_TEST);
player_ent = e; player_ent = e;
} }
@ -478,24 +480,22 @@ INTERNAL void game_update(struct game_cmd_array game_cmds)
for (u64 entity_index = 0; entity_index < store->reserved; ++entity_index) { for (u64 entity_index = 0; entity_index < store->reserved; ++entity_index) {
struct entity *ent = &store->entities[entity_index]; struct entity *ent = &store->entities[entity_index];
if (!(ent->valid && entity_has_prop(ent, ENTITY_PROP_ACTIVE))) continue; if (!(ent->valid && entity_has_prop(ent, ENTITY_PROP_ACTIVE))) continue;
if (!entity_has_prop(ent, ENTITY_PROP_ATTACHED)) continue;
if (entity_has_prop(ent, ENTITY_PROP_ATTACHED)) { struct entity *parent = entity_from_handle(store, ent->parent);
struct entity *parent = entity_from_handle(store, ent->parent); struct sprite_tag parent_sprite = parent->sprite;
struct sprite_tag parent_sprite = parent->sprite; struct sprite_sheet *parent_sheet = sprite_sheet_from_tag_await(sprite_frame_scope, parent_sprite);
struct sprite_sheet *parent_sheet = sprite_sheet_from_tag_await(sprite_frame_scope, parent_sprite);
struct xform parent_xf = entity_get_xform(parent); struct xform parent_sprite_xf = parent->sprite_local_xform;
struct xform parent_sprite_xf = xform_mul(parent_xf, parent->sprite_local_xform);
struct sprite_sheet_slice attach_slice = sprite_sheet_get_slice(parent_sheet, ent->attach_slice, parent->animation_frame); struct sprite_sheet_slice attach_slice = sprite_sheet_get_slice(parent_sheet, ent->attach_slice, parent->animation_frame);
struct v2 attach_pos = xform_mul_v2(parent_sprite_xf, attach_slice.center); struct v2 attach_pos = xform_mul_v2(parent_sprite_xf, attach_slice.center);
struct v2 attach_dir = xform_basis_mul_v2(parent_sprite_xf, attach_slice.dir); struct v2 attach_dir = xform_basis_mul_v2(parent_sprite_xf, attach_slice.dir);
struct xform xf = entity_get_xform(ent); struct xform xf = entity_get_local_xform(ent);
xf.og = attach_pos; xf.og = attach_pos;
xf = xform_rotated_to(xf, v2_angle(attach_dir) + PI / 2); xf = xform_rotated_to(xf, v2_angle(attach_dir) + PI / 2);
entity_set_xform(ent, xf); entity_set_local_xform(ent, xf);
}
} }
/* ========================== * /* ========================== *
@ -566,32 +566,31 @@ INTERNAL void game_update(struct game_cmd_array game_cmds)
for (u64 entity_index = 0; entity_index < store->reserved; ++entity_index) { for (u64 entity_index = 0; entity_index < store->reserved; ++entity_index) {
struct entity *ent = &store->entities[entity_index]; struct entity *ent = &store->entities[entity_index];
if (!(ent->valid && entity_has_prop(ent, ENTITY_PROP_ACTIVE))) continue; if (!(ent->valid && entity_has_prop(ent, ENTITY_PROP_ACTIVE))) continue;
if (!entity_has_prop(ent, ENTITY_PROP_TEST)) continue;
if (entity_has_prop(ent, ENTITY_PROP_TEST)) { if (!ent->test_initialized) {
if (!ent->test_initialized) { ent->test_initialized = true;
ent->test_initialized = true; ent->test_start_local_xform = entity_get_local_xform(ent);
ent->test_start_local_xform = entity_get_local_xform(ent); ent->test_start_sprite_xform = ent->sprite_local_xform;
ent->test_start_sprite_xform = ent->sprite_local_xform;
}
f32 t = (f32)time;
struct v2 og = v2_mul(V2(math_cos(t), math_sin(t)), 3);
f32 r = t * 3;
struct v2 s = V2(1 + (math_fabs(math_sin(t * 5)) * 3), 1);
(UNUSED)og;
(UNUSED)r;
(UNUSED)s;
og = v2_add(og, ent->test_start_local_xform.og);
r += xform_get_rotation(ent->test_start_local_xform);
s = v2_add(s, xform_get_scale(ent->test_start_local_xform));
struct xform xf = entity_get_local_xform(ent);
xf.og = og;
xf = xform_rotated_to(xf, r);
xf = xform_scaled_to(xf, s);
entity_set_local_xform(ent, xf);
} }
f32 t = (f32)time;
struct v2 og = v2_mul(V2(math_cos(t), math_sin(t)), 3);
f32 r = t * 3;
struct v2 s = V2(1 + (math_fabs(math_sin(t * 5)) * 3), 1);
(UNUSED)og;
(UNUSED)r;
(UNUSED)s;
og = v2_add(og, ent->test_start_local_xform.og);
r += xform_get_rotation(ent->test_start_local_xform);
s = v2_add(s, xform_get_scale(ent->test_start_local_xform));
struct xform xf = entity_get_local_xform(ent);
xf.og = og;
xf = xform_rotated_to(xf, r);
xf = xform_scaled_to(xf, s);
entity_set_local_xform(ent, xf);
} }
/* ========================== * /* ========================== *