// Construct the pause menu
func (ps *PlayState) buildPauseMenu() {
am := ps.assetManager // asset manager
mainW := gamecontext.GContext.MainSurface.W
mainH := gamecontext.GContext.MainSurface.H
// Build pause menu shade background
pauseBGSurface, err := util.MakeFillSurfaceAlpha(mainW, mainH, 0, 0, 0, 127)
if err != nil {
panic(fmt.Sprintf("Pause bgSurface: %v", err))
}
ps.pauseMenuEntity = scenegraph.NewEntity(pauseBGSurface)
ps.pauseMenuEntity.Visible = false
// Build pause menu
mColor := ps.fontNormalColor
mHiColor := ps.fontHighlightColor
menuItems := []menu.Item{
{AssetFontID: "menuFont", Text: "Return to Game", Color: mColor, HiColor: mHiColor},
{AssetFontID: "menuFont", Text: "Main Menu", Color: mColor, HiColor: mHiColor},
}
ps.menu = menu.New(am, "playMenu", menuItems, 60, menu.MenuJustifyCenter)
ps.menu.RootEntity.Y = 200
ps.pauseMenuEntity.AddChild(ps.menu.RootEntity)
}
// renderJSONRects renders rectangles specified in the JSON assets file
func (am *AssetManager) renderJSONRects(jsonFile string, data interface{}) {
var err error
rectsArray := data.([]interface{})
var color *sdl.Color
for _, v := range rectsArray {
rectInfo := v.(map[string]interface{})
id, ok := rectInfo["Id"].(string)
if !ok {
loadJSONPanic(jsonFile, "", "Rect missing Id")
}
rgba, ok := rectInfo["Rgba"].([]interface{})
if len(rgba) == 4 {
color, err = sdlColorFromInterfaceArray(rgba)
}
if !ok || len(rgba) != 4 || err != nil {
loadJSONPanic(jsonFile, id, "Rgba needs to be in form [R,G,B,A], 0-255 for each element")
}
var width, height int32
width = am.ParseDimension(jsonFile, id, "W", rectInfo)
height = am.ParseDimension(jsonFile, id, "H", rectInfo)
surface, err := util.MakeFillSurfaceAlpha(width, height, color.R, color.G, color.B, color.A)
if err != nil {
loadJSONPanic(jsonFile, id, fmt.Sprintf("Error making rect: %v", err))
}
am.AddSurface(id, surface)
}
}