Add resource supply status bars.

Change bar size for buildings.
Only highlight one entity on mouse hover, and only if it's not a unit.
Display status bars on foundations.

This was SVN commit r8249.

binaries/data/mods/public/art/textures/ui/session/icons/textures.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Textures>
   <File pattern="health_*.png" format="rgba" mipmap="true"/>
+  <File pattern="supply_*.png" format="rgba" mipmap="true"/>
 </Textures>

binaries/data/mods/public/gui/session_new/input.js

@@ -471,8 +471,21 @@ function handleInputAfterGui(ev)
 		switch (ev.type)
 		{
 		case "mousemotion":
+			// Highlight the first hovered entities, if it's not a unit
 			var ents = Engine.PickEntitiesAtPoint(ev.x, ev.y);
-			g_Selection.setHighlightList(ents);
+			if (ents.length == 0)
+			{
+				g_Selection.setHighlightList([]);
+			}
+			else
+			{
+		 		var entState = GetEntityState(ents[0]);
+				if (entState && !isUnit(entState))
+					g_Selection.setHighlightList([ents[0]]);
+				else
+					g_Selection.setHighlightList([]);
+			}
+
 			return false;
 
 		case "mousebuttondown":

binaries/data/mods/public/simulation/components/ResourceSupply.js

@@ -56,6 +56,8 @@ ResourceSupply.prototype.TakeResources = function(rate)
 	if (this.amount == 0)
 		Engine.DestroyEntity(this.entity);
 
+	Engine.PostMessage(this.entity, MT_ResourceSupplyChanged, { "from": old, "to": this.amount });
+
 	return { "amount": change, "exhausted": (old == 0) };
 };
 

binaries/data/mods/public/simulation/components/StatusBars.js

@@ -1,6 +1,12 @@
 function StatusBars() {}
 
 StatusBars.prototype.Schema =
+	"<element name='BarWidth'>" +
+		"<data type='decimal'/>" +
+	"</element>" +
+	"<element name='BarHeight'>" +
+		"<data type='decimal'/>" +
+	"</element>" +
 	"<element name='HeightOffset'>" +
 		"<data type='decimal'/>" +
 	"</element>";
@@ -34,6 +40,12 @@ StatusBars.prototype.OnHealthChanged = function(msg)
 		this.RegenerateSprites();
 };
 
+StatusBars.prototype.OnResourceSupplyChanged = function(msg)
+{
+	if (this.enabled)
+		this.RegenerateSprites();
+};
+
 StatusBars.prototype.ResetSprites = function()
 {
 	var cmpOverlayRenderer = Engine.QueryInterface(this.entity, IID_OverlayRenderer);
@@ -46,28 +58,42 @@ StatusBars.prototype.RegenerateSprites = function()
 	cmpOverlayRenderer.Reset();
 
 	// Size of health bar (in world-space units)
-	var width = 2;
-	var height = 1/3;
+	var width = +this.template.BarWidth;
+	var height = +this.template.BarHeight;
 
-	// Offset from the unit's position
+	// World-space offset from the unit's position
 	var offset = { "x": 0, "y": +this.template.HeightOffset, "z": 0 };
 
+	// Billboard offset of next bar
+	var yoffset = 0;
+
+	var AddBar = function(type, amount)
+	{
+		cmpOverlayRenderer.AddSprite(
+			"art/textures/ui/session/icons/"+type+"_bg.png",
+			{ "x": -width/2, "y": -height/2 + yoffset }, { "x": width/2, "y": height/2 + yoffset },
+			offset
+		);
+
+		cmpOverlayRenderer.AddSprite(
+			"art/textures/ui/session/icons/"+type+"_fg.png",
+			{ "x": -width/2, "y": -height/2 + yoffset }, { "x": width*(amount - 0.5), "y": height/2 + yoffset },
+			offset
+		);
+
+		yoffset -= height * 1.2;
+	};
+
 	var cmpHealth = Engine.QueryInterface(this.entity, IID_Health);
 	if (cmpHealth)
 	{
-		var filled = cmpHealth.GetHitpoints() / cmpHealth.GetMaxHitpoints();
+		AddBar("health", cmpHealth.GetHitpoints() / cmpHealth.GetMaxHitpoints());
+	}
 
-		cmpOverlayRenderer.AddSprite(
-			"art/textures/ui/session/icons/health_bg.png",
-			{ "x": -width/2, "y": -height/2 }, { "x": width/2, "y": height/2 },
-			offset
-		);
-
-		cmpOverlayRenderer.AddSprite(
-			"art/textures/ui/session/icons/health_fg.png",
-			{ "x": -width/2, "y": -height/2 }, { "x": width*(filled - 0.5), "y": height/2 },
-			offset
-		);
+	var cmpResourceSupply = Engine.QueryInterface(this.entity, IID_ResourceSupply);
+	if (cmpResourceSupply)
+	{
+		AddBar("supply", cmpResourceSupply.GetCurrentAmount() / cmpResourceSupply.GetMaxAmount());
 	}
 };
 

binaries/data/mods/public/simulation/components/interfaces/ResourceSupply.js

@@ -1 +1,5 @@
 Engine.RegisterInterface("ResourceSupply");
+
+// Message of the form { "from": 100, "to", 90 },
+// sent whenever supply level changes.
+Engine.RegisterMessageType("ResourceSupplyChanged");

binaries/data/mods/public/simulation/templates/template_gaia.xml

@@ -8,4 +8,10 @@
     <Range>0</Range>
     <RetainInFog>true</RetainInFog>
   </Vision>
+  <StatusBars>
+    <BarWidth>2.0</BarWidth>
+    <BarHeight>0.333</BarHeight>
+    <HeightOffset>5.0</HeightOffset>
+  </StatusBars>
+  <OverlayRenderer/>
 </Entity>

binaries/data/mods/public/simulation/templates/template_structure.xml

@@ -44,6 +44,8 @@
     <Crush>10.0</Crush>
   </Armour>
   <StatusBars>
+    <BarWidth>8.0</BarWidth>
+    <BarHeight>0.666</BarHeight>
     <HeightOffset>12.0</HeightOffset>
   </StatusBars>
   <OverlayRenderer/>

binaries/data/mods/public/simulation/templates/template_unit.xml

@@ -55,6 +55,8 @@
     <CostClass>default</CostClass>
   </UnitMotion>
   <StatusBars>
+    <BarWidth>2.0</BarWidth>
+    <BarHeight>0.333</BarHeight>
     <HeightOffset>5.0</HeightOffset>
   </StatusBars>
   <OverlayRenderer/>

source/simulation2/components/CCmpTemplateManager.cpp

@@ -462,6 +462,8 @@ void CCmpTemplateManager::CopyFoundationSubset(CParamNode& out, const CParamNode
 	permittedComponentTypes.insert("Footprint");
 	permittedComponentTypes.insert("Armour");
 	permittedComponentTypes.insert("Health");
+	permittedComponentTypes.insert("StatusBars");
+	permittedComponentTypes.insert("OverlayRenderer");
 	permittedComponentTypes.insert("Decay");
 	permittedComponentTypes.insert("Cost");
 	permittedComponentTypes.insert("Sound");