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vec_impl(EntityP, Entity *);
void entity_method(Entity *this, const char *method) {
if (this == nullptr) {
pwrn("this is null");
return;
}
if (this->table == nullptr) {
pwrn("this is inactive");
return;
}
if (strncasecmp(method, "draw", 4) == 0 && !this->visible)
return;
ETable *table = this->table;
do {
foreach (e, table->methods) {
if (strcasecmp(e->name, method) == 0) {
e->fn(this);
goto _fn_found;
}
}
if (table->parent != nullptr)
table = etable_get(table->parent);
else
table = nullptr;
} while (table != nullptr);
_fn_found:
if (strcasecmp(method, "deinit") == 0)
this->table = nullptr;
}
void entity_super(Entity *this, const char *method) {
ETable *table = etable_get(this->table->parent);
repeat(_, this->super_depth) table = etable_get(table->parent);
while (table != nullptr) {
foreach (e, table->methods) {
if (strcasecmp(e->name, method) == 0) {
this->super_depth += 1;
e->fn(this);
this->super_depth -= 1;
return;
}
}
if (table->parent != nullptr)
table = etable_get(table->parent);
else
table = nullptr;
}
}
typedef struct {
vec2 tl, br;
} _Points;
static _Points _points(Entity *this, vec2 off) {
auto p0 =
v2_add(v2_sub(this->pos, v2_trunc(v2_div(this->dim, 2))), off);
auto p1 = v2_add(p0, this->dim);
return (_Points){p0, p1};
}
bool entity_collide(Entity *this, vec2 off, u32 type) {
const auto p = _points(this, off);
rfor(y, p.tl.y, p.br.y) {
rfor(x, p.tl.x, p.br.x) {
if (map_get_px(g_map(), x, y, type))
return true;
}
}
return false;
}
bool entity_collide_solid(Entity *this, vec2 off) {
return place_meeting(off, "solid", true);
}
bool entity_collide_spike(Entity *this, vec2 off) {
return place_meeting(off, "spike", true);
}
bool entity_intersect(Entity *this, vec2 off, Entity *other) {
const i32 x1 = this->pos.x + off.x;
const i32 y1 = this->pos.y + off.y;
const i32 w1 = this->dim.x;
const i32 h1 = this->dim.y;
const i32 x2 = other->pos.x;
const i32 y2 = other->pos.y;
const i32 w2 = other->dim.x;
const i32 h2 = other->dim.y;
return abs(x1 - x2) * 2 < (w1 + w2) && abs(y1 - y2) * 2 < (h1 + h2);
}
Entity *entity_place_meeting(Entity *this, vec2 off, const char *type,
bool visible) {
repeat(i, MAX_ENTITIES) {
const auto e = &g->entities[i];
if (e->table && strcasecmp(e->table->name, type) == 0 &&
(e->visible || !visible) && intersect(off, e))
return e;
}
return nullptr;
}
VecEntityP *entity_place_meeting_list(Entity *this, vec2 off, const char *type,
bool visible) {
auto v = VecEntityP_new(0);
repeat(i, MAX_ENTITIES) {
const auto e = &g->entities[i];
if (e->table && strcasecmp(e->table->name, type) == 0 &&
(e->visible || !visible) && intersect(off, e))
VecEntityP_push(v, e);
}
return v;
}
vec2 entity_move(Entity *this, vec2 force) {
if (collide_solid(v2_zero())) {
REM = v2_zero();
return v2_zero();
}
vec2 vel = VEL;
repeat(a, 2) {
const f32 sum = force.a[a] + REM.a[a];
int spd = sum;
REM.a[a] = sum - spd;
const int sign = (spd > 0) - (spd < 0);
if (sign == 0)
continue;
while (spd != 0) {
POS.a[a] += sign;
if (collide_solid(v2_zero())) {
POS.a[a] -= sign;
REM.a[a] = 0;
// vel.a[a] *= 7/8.f;
vel.a[a] = 0;
break;
}
spd -= sign;
}
}
return vel;
}
void entity_append_group(Entity *this, u32 gid) {
assert(this != nullptr);
assert(gid < MAX_GROUP_WORDS * 32);
this->group[gid / 32] |= 1 << (gid % 32);
}
void entity_append_groups(Entity *this, const char *s) {
assert(this != nullptr);
if (s == nullptr)
return;
size_t i = 0;
while (isdigit(s[i])) {
entity_append_group(this, atoi(s + i) + 1);
while (isdigit(s[i]))
i++;
while (s[i] != '\0' && !isdigit(s[i]))
i++;
}
}
void entity_copy_groups(Entity *this, Entity *other) {
assert(this != nullptr);
assert(other != nullptr);
repeat(i, MAX_GROUP_WORDS) this->group[i] = other->group[i];
}
bool entity_in_group(Entity *this, u32 gid) {
assert(this != nullptr);
assert(gid < MAX_GROUP_WORDS * 32);
return this->group[gid / 32] & (1 << (gid % 32));
}
static i32 _propertyi(Entity *this, const char *property, const char *type) {
assert(this != nullptr);
assert(this->t2c != nullptr);
assert(property != nullptr);
rfor(i, 0u, this->t2c->numproperties) {
const auto e = &this->t2c->properties[i];
if (strcasecmp(e->name, property) == 0) {
assert(strcmp(e->type, type) == 0);
return e->valuenumber;
}
}
panic("property '%s' not found in entity %u", property,
(u32)this->uuid);
}
static i32 _propertyi_default(Entity *this, const char *property, i32 def,
const char *type) {
assert(this != nullptr);
assert(this->t2c != nullptr);
assert(property != nullptr);
rfor(i, 0u, this->t2c->numproperties) {
const auto e = &this->t2c->properties[i];
if (strcasecmp(e->name, property) == 0) {
assert(strcmp(e->type, type) == 0);
return e->valuenumber;
}
}
return def;
}
i32 entity_propertyi(Entity *this, const char *property) {
return _propertyi(this, property, "int");
}
i32 entity_propertyi_default(Entity *this, const char *property, i32 def) {
return _propertyi_default(this, property, def, "int");
}
i32 entity_propertyo(Entity *this, const char *property) {
return _propertyi(this, property, "object");
}
i32 entity_propertyo_default(Entity *this, const char *property, i32 def) {
return _propertyi_default(this, property, def, "object");
}
f32 entity_propertyf(Entity *this, const char *property, f32 def) {
assert(this != nullptr);
assert(this->t2c != nullptr);
assert(property != nullptr);
rfor(i, 0u, this->t2c->numproperties) {
const auto e = &this->t2c->properties[i];
if (strcasecmp(e->name, property) == 0) {
assert(strcmp(e->type, "float") == 0);
return e->valuenumber;
}
}
return def;
}
bool entity_propertyb(Entity *this, const char *property) {
assert(this != nullptr);
assert(this->t2c != nullptr);
assert(property != nullptr);
rfor(i, 0u, this->t2c->numproperties) {
const auto e = &this->t2c->properties[i];
if (strcasecmp(e->name, property) == 0) {
assert(strcmp(e->type, "bool") == 0);
return e->valuenumber;
}
}
return false;
}
const char *entity_propertyc(Entity *this, const char *property) {
assert(this != nullptr);
assert(this->t2c != nullptr);
assert(property != nullptr);
rfor(i, 0u, this->t2c->numproperties) {
const auto e = &this->t2c->properties[i];
if (strcasecmp(e->name, property) == 0) {
assert(strcmp(e->type, "color") == 0);
return e->valuestring;
}
}
return "#ff000000";
}
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