Very Very MVP Backpack

src/main/java/net/blf02/immersivemc/ImmersiveMC.java

@@ -30,7 +30,7 @@ public class ImmersiveMC {
     public static final String MOD_ID = "immersivemc";
     public static final Logger LOGGER = LogManager.getLogger(MOD_ID);
 
-    public static final String keyCategory = "key.categories." + MOD_ID;
+    public static final String vrKeyCategory = "key.categories." + MOD_ID + ".vr";
     public static KeyBinding SUMMON_BACKPACK = null;
 
     public ImmersiveMC() {
@@ -46,7 +46,7 @@ public ImmersiveMC() {
     protected void clientSetup(FMLClientSetupEvent event) {
         // Map to a very obscure key, so it has no conflicts for VR users
         SUMMON_BACKPACK = new KeyBinding("key." + MOD_ID + ".backpack", KeyConflictContext.IN_GAME,
-                InputMappings.Type.KEYSYM, GLFW.GLFW_KEY_F23, keyCategory);
+                InputMappings.Type.KEYSYM, GLFW.GLFW_KEY_F23, vrKeyCategory);
         event.enqueueWork(() -> {
             MinecraftForge.EVENT_BUS.register(new ClientLogicSubscriber());
             MinecraftForge.EVENT_BUS.register(new ClientRenderSubscriber());

src/main/java/net/blf02/immersivemc/client/immersive/BackpackImmersive.java

@@ -34,7 +34,7 @@ public BackpackImmersive() {
     @Override
     public void tick(BackpackInfo info, boolean isInVR) {
         super.tick(info, isInVR);
-        int controllerNum = 1; // TODO: Replace with config key lookup
+        int controllerNum = 1;
         IVRData backpackController = VRPlugin.API.getVRPlayer(Minecraft.getInstance().player).getController(controllerNum);
         IVRData handController = VRPlugin.API.getVRPlayer(Minecraft.getInstance().player).getController(controllerNum == 1 ? 0 : 1);
         info.handPos = backpackController.position();
@@ -44,23 +44,30 @@ public void tick(BackpackInfo info, boolean isInVR) {
 
         // Render backpack closer to the player, and attached to the inner-side of the arm
         info.backVec = info.lookVec.normalize().multiply(-1, -1, -1);
-        info.renderPos = info.handPos.add(0, -0.675, 0);
+        info.renderPos = info.handPos.add(0, -0.75, 0);
         info.renderPos = info.renderPos.add(info.backVec.multiply(1d/6d, 1d/6d, 1d/6d));
 
         info.rgb = new Vector3f(ActiveConfig.backpackColor >> 16, ActiveConfig.backpackColor >> 8 & 255,
                 ActiveConfig.backpackColor & 255);
         info.rgb.mul(1f/255f);
 
 
-        info.centerTopPos = info.handPos;
+        info.centerTopPos = info.handPos.add(0, -0.15, 0);
         info.centerTopPos = info.centerTopPos.add(info.backVec.multiply(1d/6d, 1d/6d, 1d/6d)); // Back on arm
         Vector3d rightVec = info.lookVec.multiply(1E8D, 0, 1E8D).normalize();
-        rightVec = new Vector3d(-rightVec.z, 0, rightVec.x).multiply(0.25, 0, 0.25);
+        if (ActiveConfig.leftHandedBackpack) {
+            rightVec = new Vector3d(rightVec.z, 0, -rightVec.x).multiply(0.25, 0, 0.25);
+        } else {
+            rightVec = new Vector3d(-rightVec.z, 0, rightVec.x).multiply(0.25, 0, 0.25);
+        }
         info.centerTopPos = info.centerTopPos.add(rightVec);
 
 
         Vector3d leftVec = rightVec.multiply(-1, 0, -1);
 
+        // Note: rightVec and leftVec refer to the vectors for right-handed people. Swap the names if referring to
+        // left-handed guys, gals, and non-binary pals.
+
         // Item hitboxes and positions
         Vector3d leftOffset = new Vector3d(
                 leftVec.x * spacing, leftVec.y * spacing, leftVec.z * spacing);
@@ -158,8 +165,7 @@ protected void render(BackpackInfo info, MatrixStack stack, boolean isInVR) {
         stack.translate(0, -1.5, 0); // Move back to where we started
 
         // Basically move the model to the side of the origin
-        // TODO: Move the other way when attached to the other controller
-        stack.translate(0.5, 0, 0);
+        stack.translate(ActiveConfig.leftHandedBackpack ? -0.5 : 0.5, 0, 0);
 
         // Render the model (finally!)
         model.renderToBuffer(stack,

src/main/java/net/blf02/immersivemc/client/model/BackpackModel.java

@@ -2,7 +2,6 @@
 
 import com.mojang.blaze3d.matrix.MatrixStack;
 import com.mojang.blaze3d.vertex.IVertexBuilder;
-import net.blf02.immersivemc.ImmersiveMC;
 import net.minecraft.client.renderer.entity.model.EntityModel;
 import net.minecraft.client.renderer.model.ModelRenderer;
 import net.minecraft.entity.Entity;
@@ -11,8 +10,7 @@
 // 99% exported from BlockBench
 public class BackpackModel extends EntityModel<Entity> {
 
-    public static final ResourceLocation textureLocation = new ResourceLocation(ImmersiveMC.MOD_ID,
-            "backpack.png");
+    public static final ResourceLocation textureLocation = new ResourceLocation("textures/block/white_wool.png");
 
     private final ModelRenderer wall;
     private final ModelRenderer lower;

src/main/java/net/blf02/immersivemc/common/config/ActiveConfig.java

@@ -23,6 +23,7 @@ public class ActiveConfig {
 
     // Non-synced values
     public static int backpackColor = 11901820;
+    public static boolean leftHandedBackpack = false;
 
     public static void loadConfigFromPacket(PacketBuffer buffer) {
         int serverNetworkVersion = buffer.readInt();
@@ -69,6 +70,7 @@ public static void loadConfigFromFile() {
 
         // Non-synced values
         backpackColor = ImmersiveMCConfig.backpackColor.get();
+        leftHandedBackpack = ImmersiveMCConfig.leftHandedBackpack.get();
         ImmersiveMC.LOGGER.debug("Loaded config from file: \n" + asString());
     }
 
@@ -101,7 +103,8 @@ public static String asString() {
                 "Use campfire immersion: " + useCampfireImmersion + "\n" +
                 "Use lever: " + useLever + "\n" +
                 "Use backpack: " + useBackpack + "\n" +
-                "Backpack color: " + backpackColor;
+                "Backpack color: " + backpackColor + "\n" +
+                "Left handed backpack: " + leftHandedBackpack;
         return stringOut;
     }
 }

src/main/java/net/blf02/immersivemc/common/config/ImmersiveMCConfig.java

@@ -23,9 +23,10 @@ public class ImmersiveMCConfig {
     public static ForgeConfigSpec.BooleanValue useCampfireImmersion;
     public static ForgeConfigSpec.BooleanValue useLever;
     public static ForgeConfigSpec.BooleanValue useBackpack;
-    public static ForgeConfigSpec.IntValue backpackColor;
 
     //Non-synced values
+    public static ForgeConfigSpec.IntValue backpackColor;
+    public static ForgeConfigSpec.BooleanValue leftHandedBackpack;
 
     static {
         ForgeConfigSpec.Builder configBuilder = new ForgeConfigSpec.Builder();
@@ -69,13 +70,16 @@ protected static void setupConfig(ForgeConfigSpec.Builder builder) {
                 .comment("Whether VR users can physically toggle levers")
                 .define("lever_immersion", true);
         useBackpack = builder
-                .comment("Allow VR players to use a backpack to manage their inventory")
-                .define("backpack_inventory", true);
+                .comment("Allow VR players to use a bag to manage their inventory")
+                .define("bag_inventory", true);
 
         // Non-synced Values
         backpackColor = builder
-                .comment("Color for backpack as a base-10 RGB number.")
-                .defineInRange("backpack_color", 11901820, 0, 0xFFFFFF);
+                .comment("Color for the bag as a base-10 RGB number.")
+                .defineInRange("bag_color", 11901820, 0, 0xFFFFFF);
+        leftHandedBackpack = builder
+                .comment("Puts the bag on the other side of your arm. Set to true if you're left-handed.")
+                .define("left_handed_bag", false);
     }
 
     public static void encode(PacketBuffer buffer) {

src/main/resources/assets/immersivemc/lang/en_us.json

@@ -1,3 +1,4 @@
 {
-  "key.immersivemc.backpack": "Open/Close Backpack"
+  "key.categories.immersivemc.vr": "ImmersiveMC VR Bindings",
+  "key.immersivemc.backpack": "Open/Close Bag"
 }