154 lines
3.2 KiB
Go
154 lines
3.2 KiB
Go
package doodle
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"git.kirsle.net/apps/doodle/balance"
|
|
"git.kirsle.net/apps/doodle/doodads"
|
|
"git.kirsle.net/apps/doodle/events"
|
|
"git.kirsle.net/apps/doodle/level"
|
|
"git.kirsle.net/apps/doodle/render"
|
|
"git.kirsle.net/apps/doodle/uix"
|
|
)
|
|
|
|
// PlayScene manages the "Edit Level" game mode.
|
|
type PlayScene struct {
|
|
// Configuration attributes.
|
|
Filename string
|
|
Level *level.Level
|
|
|
|
// Private variables.
|
|
d *Doodle
|
|
drawing *uix.Canvas
|
|
|
|
// Player character
|
|
Player doodads.Actor
|
|
}
|
|
|
|
// Name of the scene.
|
|
func (s *PlayScene) Name() string {
|
|
return "Play"
|
|
}
|
|
|
|
// Setup the play scene.
|
|
func (s *PlayScene) Setup(d *Doodle) error {
|
|
s.d = d
|
|
s.drawing = uix.NewCanvas(balance.ChunkSize, false)
|
|
s.drawing.MoveTo(render.Origin)
|
|
s.drawing.Resize(render.NewRect(int32(d.width), int32(d.height)))
|
|
s.drawing.Compute(d.Engine)
|
|
|
|
// Given a filename or map data to play?
|
|
if s.Level != nil {
|
|
log.Debug("PlayScene.Setup: received level from scene caller")
|
|
s.drawing.LoadLevel(d.Engine, s.Level)
|
|
} else if s.Filename != "" {
|
|
log.Debug("PlayScene.Setup: loading map from file %s", s.Filename)
|
|
s.LoadLevel(s.Filename)
|
|
}
|
|
|
|
s.Player = doodads.NewPlayer()
|
|
|
|
if s.Level == nil {
|
|
log.Debug("PlayScene.Setup: no grid given, initializing empty grid")
|
|
s.Level = level.New()
|
|
s.drawing.LoadLevel(d.Engine, s.Level)
|
|
}
|
|
|
|
d.Flash("Entered Play Mode. Press 'E' to edit this map.")
|
|
|
|
return nil
|
|
}
|
|
|
|
// Loop the editor scene.
|
|
func (s *PlayScene) Loop(d *Doodle, ev *events.State) error {
|
|
// Switching to Edit Mode?
|
|
if ev.KeyName.Read() == "e" {
|
|
log.Info("Edit Mode, Go!")
|
|
d.Goto(&EditorScene{
|
|
Filename: s.Filename,
|
|
Level: s.Level,
|
|
})
|
|
return nil
|
|
}
|
|
|
|
// s.drawing.Loop(ev)
|
|
s.movePlayer(ev)
|
|
return nil
|
|
}
|
|
|
|
// Draw the pixels on this frame.
|
|
func (s *PlayScene) Draw(d *Doodle) error {
|
|
// Clear the canvas and fill it with white.
|
|
d.Engine.Clear(render.White)
|
|
|
|
// Draw the level.
|
|
s.drawing.Present(d.Engine, s.drawing.Point())
|
|
|
|
// Draw our hero.
|
|
s.Player.Draw(d.Engine)
|
|
|
|
// Draw out bounding boxes.
|
|
d.DrawCollisionBox(s.Player)
|
|
|
|
return nil
|
|
}
|
|
|
|
// movePlayer updates the player's X,Y coordinate based on key pressed.
|
|
func (s *PlayScene) movePlayer(ev *events.State) {
|
|
delta := s.Player.Position()
|
|
var playerSpeed int32 = 8
|
|
var gravity int32 = 2
|
|
|
|
if ev.Down.Now {
|
|
delta.Y += playerSpeed
|
|
}
|
|
if ev.Left.Now {
|
|
delta.X -= playerSpeed
|
|
}
|
|
if ev.Right.Now {
|
|
delta.X += playerSpeed
|
|
}
|
|
if ev.Up.Now {
|
|
delta.Y -= playerSpeed
|
|
}
|
|
|
|
// Apply gravity.
|
|
// var onFloor bool
|
|
|
|
info, ok := doodads.CollidesWithGrid(s.Player, s.Level.Chunker, delta)
|
|
if ok {
|
|
// Collision happened with world.
|
|
}
|
|
delta = info.MoveTo
|
|
|
|
// Apply gravity if not grounded.
|
|
if !s.Player.Grounded() {
|
|
// Gravity has to pipe through the collision checker, too, so it
|
|
// can't give us a cheated downward boost.
|
|
delta.Y += gravity
|
|
}
|
|
|
|
s.Player.MoveTo(delta)
|
|
}
|
|
|
|
// LoadLevel loads a level from disk.
|
|
func (s *PlayScene) LoadLevel(filename string) error {
|
|
s.Filename = filename
|
|
|
|
level, err := level.LoadJSON(filename)
|
|
if err != nil {
|
|
return fmt.Errorf("PlayScene.LoadLevel(%s): %s", filename, err)
|
|
}
|
|
|
|
s.Level = level
|
|
s.drawing.LoadLevel(s.d.Engine, s.Level)
|
|
|
|
return nil
|
|
}
|
|
|
|
// Destroy the scene.
|
|
func (s *PlayScene) Destroy() error {
|
|
return nil
|
|
}
|