Extended ControlBase. Added/changed Point/PointF/Rectangle (now backed by SDL struct). Tweaked poppy traits.

cmd/tins2020/tins2020.go

@@ -42,16 +42,10 @@ func run() error {
 	defer ctx.Destroy()
 
 	if ctx.Settings.Window.Location == nil {
-		ctx.Settings.Window.Location = &tins2020.Point{
+		ctx.Settings.Window.Location = tins2020.PtPtr(sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED)
-			X: sdl.WINDOWPOS_UNDEFINED,
-			Y: sdl.WINDOWPOS_UNDEFINED,
-		}
 	}
 	if ctx.Settings.Window.Size == nil {
-		ctx.Settings.Window.Size = &tins2020.Point{
+		ctx.Settings.Window.Size = tins2020.PtPtr(800, 600)
-			X: 800,
-			Y: 600,
-		}
 	}
 
 	sdl.SetHint(sdl.HINT_RENDER_SCALE_QUALITY, "1")
@@ -74,7 +68,8 @@ func run() error {
 
 	err = ctx.Fonts.LoadDesc(
 		tins2020.FontDescriptor{Name: "debug", Path: "fonts/OpenSans-Regular.ttf", Size: 12},
-		tins2020.FontDescriptor{Name: "default", Path: "fonts/FiraMono-Regular.ttf", Size: 10},
+		tins2020.FontDescriptor{Name: "default", Path: "fonts/FiraMono-Regular.ttf", Size: 16},
+		tins2020.FontDescriptor{Name: "small", Path: "fonts/FiraMono-Regular.ttf", Size: 12},
 	)
 	if err != nil {
 		return err
@@ -113,10 +108,10 @@ func run() error {
 				switch e.Event {
 				case sdl.WINDOWEVENT_MOVED:
 					x, y := window.GetPosition()
-					ctx.Settings.Window.Location = &tins2020.Point{X: x, Y: y}
+					ctx.Settings.Window.Location = tins2020.PtPtr(x, y)
 				case sdl.WINDOWEVENT_SIZE_CHANGED:
 					w, h := window.GetSize()
-					ctx.Settings.Window.Size = &tins2020.Point{X: w, Y: h}
+					ctx.Settings.Window.Size = tins2020.PtPtr(w, h)
 				}
 			case *sdl.KeyboardEvent:
 				switch e.Keysym.Sym {

control.go

@@ -9,10 +9,18 @@ type Control interface {
 }
 
 type ControlBase struct {
+	Bounds Rectangle
+
+	IsMouseOver bool
 }
 
-func (b *ControlBase) Handle(*Context, sdl.Event) {}
+func (b *ControlBase) Init(*Context) error { return nil }
+
+func (b *ControlBase) Handle(ctx *Context, event sdl.Event) {
+	switch e := event.(type) {
+	case *sdl.MouseMotionEvent:
+		b.IsMouseOver = b.Bounds.IsPointInside(e.X, e.Y)
+	}
+}
 
 func (b *ControlBase) Render(*Context) {}
-
-func (b *ControlBase) Init(*Context) error { return nil }

flower.go

@@ -34,13 +34,14 @@ type FlowerResistance struct {
 // NewPoppyTraits creates the traits of a poppy, a very generic flower that thrives in a moderate climate.
 func NewPoppyTraits() FlowerTraits {
 	return FlowerTraits{
-		Spread: 0.0007,
+		// Spread: 0.0011,
-		Life:   0.99991,
+		Spread: 0.0011,
+		Life:   0.99993,
 		Resistance: FlowerResistance{
-			Cold: 0.3,
+			Cold: 0.5,
-			Hot:  0.3,
+			Hot:  0.5,
-			Dry:  0.3,
+			Dry:  0.5,
-			Wet:  0.3,
+			Wet:  0.5,
 		},
 	}
 }

fonts.go

@@ -42,11 +42,11 @@ func (f *Font) RenderCopyAlign(renderer *sdl.Renderer, text string, pos Point, c
 	rect := texture.Rect()
 	switch align {
 	case TextAlignmentLeft:
-		texture.Copy(renderer, &sdl.Rect{X: pos.X, Y: pos.Y, W: rect.W, H: rect.H})
+		texture.Copy(renderer, RectSize(pos.X, pos.Y, rect.W, rect.H).SDLPtr())
 	case TextAlignmentCenter:
-		texture.Copy(renderer, &sdl.Rect{X: pos.X - (rect.W / 2), Y: pos.Y, W: rect.W, H: rect.H})
+		texture.Copy(renderer, RectSize(pos.X-(rect.W/2), pos.Y, rect.W, rect.H).SDLPtr())
 	case TextAlignmentRight:
-		texture.Copy(renderer, &sdl.Rect{X: pos.X - rect.W, Y: pos.Y, W: rect.W, H: rect.H})
+		texture.Copy(renderer, RectSize(pos.X-rect.W, pos.Y, rect.W, rect.H).SDLPtr())
 	}
 	return nil
 }

gamecontrols.go

@@ -46,7 +46,7 @@ func (b *ButtonBar) Handle(ctx *Context, event sdl.Event) {
 }
 
 func (b *ButtonBar) Render(ctx *Context) {
-	ctx.Renderer.FillRect(&sdl.Rect{X: b.Left, Y: b.Top, W: b.Left + buttonBarWidth, H: b.Bottom})
+	ctx.Renderer.FillRect(Rect(b.Left, b.Top, b.Left+buttonBarWidth, b.Bottom).SDLPtr())
 	texture := func(b Button) *Texture {
 		if b.IsDisabled {
 			texture := ctx.Textures.Texture(b.Disabled)
@@ -97,7 +97,8 @@ func (c *GameControls) Handle(ctx *Context, event sdl.Event) {
 }
 
 func (c *GameControls) Render(ctx *Context) {
-	ctx.Renderer.SetDrawColor(74, 198, 154, 255)
+	// ctx.Renderer.SetDrawColor(74, 198, 154, 255) // #4ac69a
+	ctx.Renderer.SetDrawColor(53, 109, 173, 255)
 	c.menu.Render(ctx)
 	c.flowers.Render(ctx)
 }

point.go

@@ -1,18 +1,34 @@
 package tins2020
 
+import "github.com/veandco/go-sdl2/sdl"
+
 type Point struct {
-	X, Y int32
+	sdl.Point
 }
 
 func (p Point) Add(q Point) Point { return Pt(p.X+q.X, p.Y+q.Y) }
 
+func (p Point) In(r Rectangle) bool { return r.IsPointInsidePt(p) }
+
 type PointF struct {
-	X, Y float32
+	sdl.FPoint
 }
 
-func (p PointF) Add(q PointF) PointF { return PtF(p.X+q.X, p.Y+q.Y) }
+func (p PointF) Add(q PointF) PointF {
+	return PtF(p.X+q.X, p.Y+q.Y)
+}
 
 func (p PointF) Sub(q PointF) PointF { return PtF(p.X-q.X, p.Y-q.Y) }
 
-func Pt(x, y int32) Point     { return Point{x, y} }
+func Pt(x, y int32) Point     { return Point{sdl.Point{X: x, Y: y}} }
-func PtF(x, y float32) PointF { return PointF{x, y} }
+func PtF(x, y float32) PointF { return PointF{sdl.FPoint{X: x, Y: y}} }
+
+func PtPtr(x, y int32) *Point {
+	p := Pt(x, y)
+	return &p
+}
+
+func PtFPtr(x, y float32) *PointF {
+	p := PtF(x, y)
+	return &p
+}

projection.go

@@ -11,7 +11,7 @@ type projection struct {
 	zoom    float32
 	zoomInv float32
 
-	windowRect         sdl.Rect
+	windowRect         Rectangle
 	tileScreenDelta    PointF
 	tileScreenDeltaInv PointF
 	tileScreenOffset   Point
@@ -64,7 +64,7 @@ func (p *projection) update(renderer *sdl.Renderer) {
 		log.Fatal(err)
 	}
 	p.windowCenter = Pt(windowW/2, windowH/2)
-	p.windowRect = sdl.Rect{X: buttonBarWidth, Y: 0, W: windowW - 2*buttonBarWidth, H: windowH - 0}
+	p.windowRect = RectSize(buttonBarWidth, 0, windowW-2*buttonBarWidth, windowH)
 }
 
 func (p *projection) visibleTiles(action func(int32, int32, Point)) {

rect.go

@@ -0,0 +1,28 @@
+package tins2020
+
+import "github.com/veandco/go-sdl2/sdl"
+
+type Rectangle struct {
+	sdl.Rect
+}
+
+func (r Rectangle) IsPointInside(x, y int32) bool {
+	return x >= r.X && x < r.X+r.W && y >= r.Y && y < r.Y+r.H
+}
+
+func (r Rectangle) IsPointInsidePt(p Point) bool { return r.IsPointInside(p.X, p.Y) }
+
+func Rect(x1, y1, x2, y2 int32) Rectangle {
+	if x1 > x2 {
+		x1, x2 = x2, x1
+	}
+	if y1 > y2 {
+		y1, y2 = y2, y1
+	}
+	return Rectangle{sdl.Rect{X: x1, Y: y1, W: x2 - x1, H: y2 - y1}}
+}
+
+func RectSize(x, y, w, h int32) Rectangle { return Rectangle{sdl.Rect{X: x, Y: y, W: w, H: h}} }
+
+func (r Rectangle) SDL() sdl.Rect     { return r.Rect }
+func (r Rectangle) SDLPtr() *sdl.Rect { return &r.Rect }

terrainrenderer.go

@@ -35,30 +35,32 @@ func (r *terrainRenderer) Handle(ctx *Context, event sdl.Event) {
 		if e.Button == sdl.BUTTON_LEFT {
 			r.interact.mouseLeftDown = e.Type == sdl.MOUSEBUTTONDOWN
 			if r.interact.mouseLeftDown && r.interact.mouseDrag == nil {
-				r.interact.mouseDrag = &Point{e.X, e.Y}
+				r.interact.mouseDrag = PtPtr(e.X, e.Y)
 			} else if !r.interact.mouseLeftDown && r.interact.mouseDrag != nil {
 				r.interact.mouseDrag = nil
 			}
 		}
 	case *sdl.MouseMotionEvent:
-		if insideRect(e.X, e.Y, &r.project.windowRect) {
+		if r.project.windowRect.IsPointInside(e.X, e.Y) {
 			hover := r.project.screenToMap(e.X, e.Y)
-			r.hover = &Point{X: int32(Round32(hover.X)), Y: int32(Round32(hover.Y))}
+			r.hover = PtPtr(int32(Round32(hover.X)), int32(Round32(hover.Y)))
 		} else {
 			r.hover = nil
 		}
 		if r.interact.mouseDrag != nil {
 			r.project.center = r.project.center.Sub(r.project.screenToMapRel(e.X-r.interact.mouseDrag.X, e.Y-r.interact.mouseDrag.Y))
 			r.project.update(ctx.Renderer)
-			r.interact.mouseDrag = &Point{e.X, e.Y}
+			r.interact.mouseDrag = PtPtr(e.X, e.Y)
 		}
 	case *sdl.MouseWheelEvent:
-		if e.Y > 0 && r.project.zoom > .5 {
+		if r.project.windowRect.IsPointInside(e.X, e.Y) {
-			r.project.zoom *= .5
+			if e.Y > 0 && r.project.zoom > .5 {
-			r.project.update(ctx.Renderer)
+				r.project.zoom *= .5
-		} else if e.Y < 0 && r.project.zoom < 4 {
+				r.project.update(ctx.Renderer)
-			r.project.zoom *= 2
+			} else if e.Y < 0 && r.project.zoom < 4 {
-			r.project.update(ctx.Renderer)
+				r.project.zoom *= 2
+				r.project.update(ctx.Renderer)
+			}
 		}
 	case *sdl.WindowEvent:
 		if e.Event == sdl.WINDOWEVENT_RESIZED {
@@ -67,12 +69,6 @@ func (r *terrainRenderer) Handle(ctx *Context, event sdl.Event) {
 	}
 }
 
-func insideRect(x, y int32, rect *sdl.Rect) bool {
-	return x >= rect.X && x < rect.X+rect.W && y >= rect.Y && y < rect.Y+rect.H
-}
-
-func insideRectPt(p Point, rect *sdl.Rect) bool { return insideRect(p.X, p.Y, rect) }
-
 func (r *terrainRenderer) Render(ctx *Context) {
 	toTileTexture := func(x, y int32) *Texture {
 		temp := r.terrain.Temp.Value(x, y)