79 lines
1.2 KiB
C++
79 lines
1.2 KiB
C++
#pragma once
|
|
|
|
#include "coordinates.hpp"
|
|
|
|
struct actor_t
|
|
{
|
|
enum direction {
|
|
up,
|
|
down,
|
|
left,
|
|
right,
|
|
};
|
|
|
|
world_t world;
|
|
enum direction facing;
|
|
bool moving;
|
|
bool collision;
|
|
uint8_t frame;
|
|
uint8_t cycle;
|
|
|
|
constexpr inline offset_t offset()
|
|
{
|
|
if (collision) {
|
|
return {0, 0};
|
|
} else {
|
|
switch (facing) {
|
|
case left:
|
|
return {-frame, 0};
|
|
case right:
|
|
return {frame, 0};
|
|
case up:
|
|
return {0, -frame};
|
|
case down:
|
|
return {0, frame};
|
|
default:
|
|
return {0, 0};
|
|
}
|
|
}
|
|
}
|
|
|
|
// call tick() before move()
|
|
constexpr inline void tick()
|
|
{
|
|
if (!moving) return;
|
|
|
|
frame = frame + 1;
|
|
if (frame == 16) {
|
|
cycle += 1;
|
|
frame = 0;
|
|
if (!collision) {
|
|
switch (facing) {
|
|
case left: world.x--; break;
|
|
case right: world.x++; break;
|
|
case up: world.y--; break;
|
|
case down: world.y++; break;
|
|
}
|
|
}
|
|
moving = false;
|
|
}
|
|
}
|
|
|
|
constexpr inline void move(enum direction dir,
|
|
bool collision)
|
|
{
|
|
/*
|
|
m 1 . 2 . 3 . 4 .
|
|
| - | - | - | - |
|
|
|
|
*/
|
|
|
|
if (!(this->collision) && moving) return;
|
|
if (!collision)
|
|
frame = 0;
|
|
facing = dir;
|
|
moving = true;
|
|
this->collision = collision;
|
|
}
|
|
};
|