Added tooltips when planting flowers.

game.go

@@ -261,7 +261,12 @@ func (g *Game) TogglePause(ctx ui.Context) {
 	}
 }
 
-func (g *Game) Tool() Tool { return g.tool }
+func (g *Game) Tool() Tool {
+	if g.tool == nil {
+		return &NoTool{}
+	}
+	return g.tool
+}
 
 func (g *Game) ToolChanged() ui.EventHandler { return &g.toolChanged }
 

gamecontrols.go

@@ -195,7 +195,7 @@ func (c *GameControls) Handle(ctx ui.Context, event ui.Event) bool {
 		case ui.KeyR:
 			c.dialogs.ShowResearch(ctx)
 		case ui.KeyEscape:
-			if c.game.Tool() == nil {
+			if c.game.Tool().Type() == "none" {
 				c.dialogs.ShowIntro(ctx)
 			} else {
 				c.game.CancelTool(ctx)

herbarium.go

@@ -31,7 +31,7 @@ func (h *Herbarium) Reset() {
 	})
 	h.Add("loosestrife", FlowerDescriptor{
 		Name:         "Loosestrife",
-		Description:  "A simple flower that will spread in temperate and wet climates.",
+		Description:  "A simple flower that will spread in temperate and damp climates.",
 		IconTemplate: "flower-loosestrife-%s",
 		BuyPrice:     100,
 		SellPrice:    20,

terrainrenderer.go

@@ -106,6 +106,41 @@ func (r *terrainRenderer) Handle(ctx ui.Context, event ui.Event) bool {
 			r.isometric.PanTile(geom.PtF32(1, -1))
 		}
 	}
+
+	if r.hover != nil && r.game.Tool().Type() == "plant-flower" {
+		terrain := r.game.Terrain
+		temp := func() string {
+			temp := terrain.Temp.Value(r.hover.X, r.hover.Y)
+			switch {
+			case temp < .3:
+				return "very cold"
+			case temp < .4:
+				return "cold"
+			case temp > .7:
+				return "very hot"
+			case temp > .6:
+				return "hot"
+			default:
+				return "moderate"
+			}
+		}()
+		humid := func() string {
+			humid := terrain.Humid.Value(r.hover.X, r.hover.Y)
+			switch {
+			case humid < .3:
+				return " and very arid"
+			case humid < .4:
+				return " and arid"
+			case humid > .7:
+				return " and very damp"
+			case humid > .6:
+				return " and damp"
+			default:
+				return ""
+			}
+		}()
+		ctx.ShowTooltip(fmt.Sprintf("It is %s%s over here", temp, humid))
+	}
 	return false
 }
 

tools.go

@@ -17,6 +17,12 @@ func (t *PlantFlowerTool) ClickedTile(game *Game, tile geom.Point) {
 	game.PlantFlower(t.FlowerID, tile)
 }
 
+type NoTool struct{}
+
+func (t *NoTool) Type() string { return "none" }
+
+func (t *NoTool) ClickedTile(*Game, geom.Point) {}
+
 type ShovelTool struct{}
 
 func (t *ShovelTool) Type() string { return "shovel" }