Add panel to contain hero stats (OpenDiablo2#299)

Left framing with stats panel, bound to 'C' key.

d2game/d2player/game_controls.go

@@ -20,6 +20,7 @@ type GameControls struct {
 	hero      *d2map.Hero
 	mapEngine *d2map.MapEngine
 	inventory *Inventory
+	heroStats *HeroStats
 
 	// UI
 	globeSprite *d2ui.Sprite
@@ -33,6 +34,7 @@ func NewGameControls(hero *d2map.Hero, mapEngine *d2map.MapEngine) *GameControls
 		hero:      hero,
 		mapEngine: mapEngine,
 		inventory: NewInventory(),
+		heroStats: NewHeroStats(),
 	}
 }
 
@@ -41,15 +43,19 @@ func (g *GameControls) OnKeyDown(event d2input.KeyEvent) bool {
 		g.inventory.Toggle()
 		return true
 	}
+	if event.Key == d2input.KeyC {
+		g.heroStats.Toggle()
+		return true
+	}
 
 	return false
 }
 
 func (g *GameControls) OnMouseButtonDown(event d2input.MouseEvent) bool {
 	if event.Button == d2input.MouseButtonLeft {
 		px, py := g.mapEngine.ScreenToWorld(event.X, event.Y)
-		px = float64(int(px * 10)) / 10.0
-		py = float64(int(py * 10)) / 10.0
+		px = float64(int(px*10)) / 10.0
+		py = float64(int(py*10)) / 10.0
 		heroPosX := g.hero.AnimatedEntity.LocationX / 5.0
 		heroPosY := g.hero.AnimatedEntity.LocationY / 5.0
 		path, _, found := g.mapEngine.PathFind(heroPosX, heroPosY, px, py)
@@ -75,11 +81,13 @@ func (g *GameControls) Load() {
 	g.skillIcon, _ = d2ui.LoadSprite(animation)
 
 	g.inventory.Load()
+	g.heroStats.Load()
 }
 
 // TODO: consider caching the panels to single image that is reused.
 func (g *GameControls) Render(target d2render.Surface) {
 	g.inventory.Render(target)
+	g.heroStats.Render(target)
 
 	width, height := target.GetSize()
 	offset := 0

d2game/d2player/stats.go

@@ -0,0 +1,124 @@
+package d2player
+
+import (
+	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2ui"
+)
+
+type HeroStats struct {
+	frame   *d2ui.Sprite
+	panel   *d2ui.Sprite
+	originX int
+	originY int
+	isOpen  bool
+}
+
+func NewHeroStats() *HeroStats {
+	originX := 0
+	originY := 0
+	return &HeroStats{
+		originX: originX,
+		originY: originY,
+	}
+}
+
+func (s *HeroStats) Load() {
+	animation, _ := d2asset.LoadAnimation(d2resource.Frame, d2resource.PaletteSky)
+	s.frame, _ = d2ui.LoadSprite(animation)
+	animation, _ = d2asset.LoadAnimation(d2resource.InventoryCharacterPanel, d2resource.PaletteSky)
+	s.panel, _ = d2ui.LoadSprite(animation)
+}
+
+func (s *HeroStats) IsOpen() bool {
+	return s.isOpen
+}
+
+func (s *HeroStats) Toggle() {
+	s.isOpen = !s.isOpen
+}
+
+func (s *HeroStats) Open() {
+	s.isOpen = true
+}
+
+func (s *HeroStats) Close() {
+	s.isOpen = false
+}
+
+func (s *HeroStats) Render(target d2render.Surface) {
+	if !s.isOpen {
+		return
+	}
+
+	x, y := s.originX, s.originY
+
+	// Frame
+	// Top left
+	s.frame.SetCurrentFrame(0)
+	w, h := s.frame.GetCurrentFrameSize()
+	s.frame.SetPosition(x, y+h)
+	s.frame.Render(target)
+	x += w
+	y += h
+
+	// Top right
+	s.frame.SetCurrentFrame(1)
+	w, h = s.frame.GetCurrentFrameSize()
+	s.frame.SetPosition(x, s.originY+h)
+	s.frame.Render(target)
+	x = s.originX
+
+	// Right
+	s.frame.SetCurrentFrame(2)
+	w, h = s.frame.GetCurrentFrameSize()
+	s.frame.SetPosition(x, y+h)
+	s.frame.Render(target)
+	y += h
+
+	// Bottom left
+	s.frame.SetCurrentFrame(3)
+	w, h = s.frame.GetCurrentFrameSize()
+	s.frame.SetPosition(x, y+h)
+	s.frame.Render(target)
+	x += w
+
+	// Bottom right
+	s.frame.SetCurrentFrame(4)
+	w, h = s.frame.GetCurrentFrameSize()
+	s.frame.SetPosition(x, y+h)
+	s.frame.Render(target)
+
+	x, y = s.originX, s.originY
+	y += 64
+	x += 80
+
+	// Panel
+	// Top left
+	s.panel.SetCurrentFrame(0)
+	w, h = s.panel.GetCurrentFrameSize()
+	s.panel.SetPosition(x, y+h)
+	s.panel.Render(target)
+	x += w
+
+	// Top right
+	s.panel.SetCurrentFrame(1)
+	w, h = s.panel.GetCurrentFrameSize()
+	s.panel.SetPosition(x, y+h)
+	s.panel.Render(target)
+	y += h
+
+	// Bottom right
+	s.panel.SetCurrentFrame(3)
+	w, h = s.panel.GetCurrentFrameSize()
+	s.panel.SetPosition(x, y+h)
+	s.panel.Render(target)
+
+	// Bottom left
+	s.panel.SetCurrentFrame(2)
+	w, h = s.panel.GetCurrentFrameSize()
+	s.panel.SetPosition(x-w, y+h)
+	s.panel.Render(target)
+
+}