/
levelselectscene.go
108 lines (95 loc) · 3.74 KB
/
levelselectscene.go
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package main
import (
"github.com/PucklaMotzer09/GoHomeEngine/src/gohome"
"github.com/PucklaMotzer09/mathgl/mgl32"
"strconv"
)
const (
LEVEL_BUTTON_PADDING float32 = 50.0
LEVEL_BUTTON_SIZE float32 = 100.0
LEVEL_BUTTON_PER_ROW uint32 = 3
)
type LevelSelectScene struct {
levelBtns []*gohome.Button
targetBtnPos []mgl32.Vec2
title *gohome.Text2D
}
func selectLevel(btn *gohome.Button) {
id, _ := strconv.ParseInt(btn.Text, 10, 32)
id -= 1
gohome.ResourceMgr.GetSound("ButtonPressed").Play(false)
gohome.SceneMgr.SwitchScene(&LevelScene{LevelID: uint32(id)})
}
func (this *LevelSelectScene) initButtons() {
lbr := float32(LEVEL_BUTTON_PER_ROW)
lbc := float32(NUM_LEVELS / LEVEL_BUTTON_PER_ROW)
start := gohome.Render.GetNativeResolution().Mul(0.5)
start = start.Sub([2]float32{
(lbr*LEVEL_BUTTON_SIZE+(lbr-1.0)*LEVEL_BUTTON_PADDING)/2.0 - LEVEL_BUTTON_SIZE/2.0,
(lbc*LEVEL_BUTTON_SIZE+(lbc-1.0)*LEVEL_BUTTON_PADDING)/2.0 - LEVEL_BUTTON_SIZE/2.0,
})
for i := uint32(0); i < NUM_LEVELS; i++ {
this.levelBtns = append(this.levelBtns, &gohome.Button{})
btn := this.levelBtns[len(this.levelBtns)-1]
x := float32(i%LEVEL_BUTTON_PER_ROW) * (LEVEL_BUTTON_SIZE + LEVEL_BUTTON_PADDING)
y := float32(i/LEVEL_BUTTON_PER_ROW) * (LEVEL_BUTTON_SIZE + LEVEL_BUTTON_PADDING)
maxy := float32((NUM_LEVELS-1)/LEVEL_BUTTON_PER_ROW) * (LEVEL_BUTTON_SIZE + LEVEL_BUTTON_PADDING)
btn.Text = strconv.FormatInt(int64(i+1), 10)
this.targetBtnPos = append(this.targetBtnPos, start.Add([2]float32{x, y}))
btn.Init(start.Add([2]float32{x, y}), "LevelButton1")
btn.Transform.Position[1] = -LEVEL_BUTTON_SIZE/2.0 - (maxy - y)
btn.Transform.Size = [2]float32{LEVEL_BUTTON_SIZE, LEVEL_BUTTON_SIZE}
btn.Transform.Origin = [2]float32{0.5, 0.5}
btn.PressCallback = selectLevel
btn.EnterCallback = func(button *gohome.Button) {
button.Texture = gohome.ResourceMgr.GetTexture("LevelButtonPressed")
gohome.ResourceMgr.GetSound("Button").Play(false)
}
btn.LeaveCallback = func(button *gohome.Button) {
button.Texture = gohome.ResourceMgr.GetTexture("LevelButton1")
}
btn.EnterModColor = nil
btn.PressModColor = nil
}
}
func (this *LevelSelectScene) initTitle() {
lbc := float32(NUM_LEVELS / LEVEL_BUTTON_PER_ROW)
start := gohome.Render.GetNativeResolution().Mul(0.5)
start = start.Sub([2]float32{
0.0,
(lbc*LEVEL_BUTTON_SIZE+(lbc-1.0)*LEVEL_BUTTON_PADDING)/2.0 - LEVEL_BUTTON_SIZE/2.0,
})
maxy := float32((NUM_LEVELS-1)/LEVEL_BUTTON_PER_ROW) * (LEVEL_BUTTON_SIZE + LEVEL_BUTTON_PADDING)
this.title = &gohome.Text2D{}
this.title.Init(gohome.ButtonFont, gohome.ButtonFontSize*2, "Wähle einen Level")
this.title.Transform.Origin = [2]float32{0.5, 0.5}
this.title.Transform.Position = [2]float32{gohome.Render.GetNativeResolution().X()/2.0 + 10.0, -LEVEL_BUTTON_SIZE/2.0 - maxy - (start[1] - 100.0)}
this.title.NotRelativeToCamera = 0
gohome.RenderMgr.AddObject(this.title)
}
func (this *LevelSelectScene) updateButtons() {
for i := 0; i < len(this.levelBtns); i++ {
btn := this.levelBtns[i]
tpos := this.targetBtnPos[i]
btn.Transform.Position = btn.Transform.Position.Add(tpos.Sub(btn.Transform.Position).Mul(0.1))
}
}
func (this *LevelSelectScene) updateTitle() {
titleTarget := mgl32.Vec2{gohome.Render.GetNativeResolution().X()/2.0 + 10.0, 100.0}
this.title.Transform.Position = this.title.Transform.Position.Add(titleTarget.Sub(this.title.Transform.Position).Mul(0.08))
}
func (this *LevelSelectScene) Init() {
this.initButtons()
this.initTitle()
}
func (this *LevelSelectScene) Update(delta_time float32) {
this.updateButtons()
this.updateTitle()
}
func (this *LevelSelectScene) Terminate() {
for i := 0; i < len(this.levelBtns); i++ {
this.levelBtns[i].Terminate()
}
gohome.RenderMgr.RemoveObject(this.title)
this.title.Terminate()
}