package main

import "core:fmt"
import ecs "shoal/src"
import rl "vendor:raylib"

camera: rl.Camera2D
CELL_SIZE :: 20

app: ecs.App

main :: proc() {
	ecs.add_plugin(&app, ecs.DefaultPlugin)
	ecs.add_system(&app, ecs.STARTUP, setup_entities)
	ecs.add_system(&app, ecs.UPDATE, player_move)
	ecs.add_system(&app, ecs.UPDATE, run_particle_system)
	ecs.add_system(&app, ecs.UPDATE, run_timers)
	ecs.add_system(&app, ecs.DRAW, draw_player)
	ecs.add_system(&app, ecs.UPDATE, update_grid_actor)
	ecs.run(&app)
}

setup_entities :: proc() {
	player := ecs.spawn_entity(&app)
	ecs.add_component(player, &Player)
	ecs.add_component(player, &Weapon)
	ecs.add_component(player, &GridActor)
	ecs.add_component(player, &ecs.Sprite)
	ecs.add_component(player, &ecs.Transform)
}

player_move :: proc() {
	e, player := ecs.single(&Player)
	grid_actor := ecs.get_component(e, &GridActor)

	if rl.IsKeyPressed(rl.KeyboardKey.W) {
		move(grid_actor, 0, -1)
	}
	if rl.IsKeyPressed(rl.KeyboardKey.A) {
		move(grid_actor, -1, 0)
	}
	if rl.IsKeyPressed(rl.KeyboardKey.S) {
		move(grid_actor, 0, 1)
	}
	if rl.IsKeyPressed(rl.KeyboardKey.D) {
		move(grid_actor, 1, 0)
	}
}

draw_player :: proc() {
	e, player := ecs.single(&Player)
	transform := ecs.get_component(e, &ecs.Transform)
	rl.DrawRectangle(
		i32(transform.translation.x),
		i32(transform.translation.y),
		CELL_SIZE,
		CELL_SIZE,
		rl.WHITE,
	)
}

draw_grid :: proc() {
	for x in 0 ..< 26 {
		for y in 0 ..< 26 {
			rl.DrawRectangleLines(
				i32(x) * CELL_SIZE,
				i32(y) * CELL_SIZE,
				CELL_SIZE,
				CELL_SIZE,
				rl.BLANK,
			)
		}
	}
}