109 lines
2.1 KiB
Go
109 lines
2.1 KiB
Go
package ffi
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/*
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#cgo CFLAGS: -I ${SRCDIR}/lib
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#cgo LDFLAGS: -L ${SRCDIR}/lib -l ffi_wrapper
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#include "ffi-wrapper.h"
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#include <stdlib.h>
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*/
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import "C"
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// Circles
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type Circle struct {
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cptr *C.Circle
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}
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func NewCircle(x float64, y float64, rad float64) *Circle {
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return &Circle{
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cptr: C.new_circle(C.double(x), C.double(y), C.double(rad)),
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}
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}
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func (c *Circle) UpdatePos(x float64, y float64) {
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c.cptr.x = C.double(x)
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c.cptr.y = C.double(y)
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}
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func DestroyCircle(circle *Circle) {
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if circle.cptr == nil {
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return
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}
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C.destroy_circle(circle.cptr)
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}
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func (c *Circle) GetPos() (float64, float64) {
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return float64(c.cptr.x), float64(c.cptr.y)
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}
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// Bullets
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type Bullet struct {
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cptr *C.Bullet
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DeletionTick int64
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}
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// Values for selecting bullet paths
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const (
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BULLET_LINEAR = 0
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ACTIVE_BULLET = -1
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)
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func NewLinearBullet(tick int64, spawnX float64, spawnY float64, radius float64, velX float64, velY float64) *Bullet {
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return &Bullet{
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cptr: C.new_bullet(
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C.uint8_t(0),
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C.int64_t(tick),
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C.double(spawnX),
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C.double(spawnY),
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C.double(radius),
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C.double(velX),
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C.double(velY),
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),
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DeletionTick: ACTIVE_BULLET,
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}
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}
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func DestroyBullet(bullet *Bullet) {
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if bullet.cptr == nil {
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return
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}
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C.destroy_bullet(bullet.cptr)
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}
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func (b *Bullet) BeyondKillBoundary(tick int64) bool {
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return bool(C.bullet_beyond_kill_boundary(b.cptr, C.int64_t(tick)))
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}
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func (b *Bullet) CollidesWith(circle *Circle, tick int64) bool {
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return bool(C.bullet_collides_with(b.cptr, C.int64_t(tick), circle.cptr))
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}
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func (b *Bullet) GetPos(tick int64) (float64, float64) {
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var x, y C.double
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C.bullet_get_current_pos(b.cptr, C.int64_t(tick), &x, &y)
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return float64(x), float64(y)
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}
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func (b *Bullet) GetType() int {
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return int(b.cptr.class_)
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}
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func (b *Bullet) GetRadius() float64 {
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return float64(b.cptr.radius)
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}
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func (b *Bullet) Serialize(tick int64) map[string]any {
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x, y := b.GetPos(tick)
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return map[string]any{
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"class": b.GetType(),
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"tick": tick,
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"x": x,
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"y": y,
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"radius": b.GetRadius(),
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"vel_x": float64(b.cptr.parameters[0]),
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"vel_y": float64(b.cptr.parameters[1]),
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}
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}
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