nails with heads

src/main/java/com/hbm/handler/GunConfiguration.java

@@ -9,6 +9,8 @@ import com.hbm.render.anim.BusAnimation;
 import com.hbm.render.anim.HbmAnimations.AnimType;
 import com.hbm.render.util.RenderScreenOverlay.Crosshair;
 
+import net.minecraft.util.ResourceLocation;
+
 public class GunConfiguration implements Cloneable {
 	
 	/**
@@ -32,8 +34,14 @@ public class GunConfiguration implements Cloneable {
 	
 	//animations!
 	public HashMap<AnimType, BusAnimation> animations = new HashMap();
-	//whether ot not to disable crosshais when sneaking
+	//whether or not to disable crosshair when sneaking
 	public boolean hasSights;
+	//texture overlay when sneaking
+	public ResourceLocation scopeTexture;
+	//whether the FOV multiplier should be absolute or additive to other modifiers, additive mode is experimental!
+	public boolean absoluteFOV = true;
+	//the target FOV/added FOV modifier when sneaking
+	public float zoomFOV = 0.0F;
 	
 	//how long the reload animation will play
 	//MUST BE GREATER THAN ZERO ! ! !

src/main/java/com/hbm/handler/guncfg/Gun44MagnumFactory.java

@@ -17,6 +17,7 @@ import com.hbm.inventory.RecipesCommon.ComparableStack;
 import com.hbm.items.ModItems;
 import com.hbm.items.ItemAmmoEnums.Ammo44Magnum;
 import com.hbm.lib.HbmCollection;
+import com.hbm.lib.RefStrings;
 import com.hbm.lib.HbmCollection.EnumGunManufacturer;
 import com.hbm.packet.AuxParticlePacketNT;
 import com.hbm.packet.PacketDispatcher;
@@ -29,6 +30,7 @@ import cpw.mods.fml.common.network.NetworkRegistry.TargetPoint;
 import net.minecraft.entity.Entity;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.potion.PotionEffect;
+import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.Vec3;
 
 public class Gun44MagnumFactory {
@@ -79,6 +81,8 @@ public class Gun44MagnumFactory {
 		return config;
 	}
 	
+	public static final ResourceLocation pips_amazing_scope_wow = new ResourceLocation(RefStrings.MODID, "textures/misc/scope_basic.png");
+	
 	public static GunConfiguration getMacintoshConfig() {
 		
 		GunConfiguration config = getBaseConfig();
@@ -89,6 +93,11 @@ public class Gun44MagnumFactory {
 		config.manufacturer = EnumGunManufacturer.IF;
 		config.comment.add("Poppin' mentats like tic tacs");
 		
+		config.hasSights = true;
+		config.absoluteFOV = true;
+		config.zoomFOV = 3F;
+		config.scopeTexture = pips_amazing_scope_wow;
+		
 		config.config = new ArrayList<Integer>();
 		config.config.add(BulletConfigSyncingUtil.M44_PIP);
 		config.config.addAll(HbmCollection.fourtyFourMagBasic);

src/main/java/com/hbm/handler/guncfg/Gun50AEFactory.java

@@ -52,6 +52,9 @@ public class Gun50AEFactory {
 		config.name = "deagle";
 		config.manufacturer = EnumGunManufacturer.MAGNUM_R_IMI;
 		
+		config.absoluteFOV = true;
+		config.zoomFOV = 1.5F;
+		
 		config.hasSights = true;
 		config.config = HbmCollection.fiftyAE;
 		

src/main/java/com/hbm/main/ModEventHandlerClient.java

@@ -19,6 +19,7 @@ import com.hbm.entity.projectile.EntityChopperMine;
 import com.hbm.extprop.HbmLivingProps;
 import com.hbm.extprop.HbmPlayerProps;
 import com.hbm.handler.ArmorModHandler;
+import com.hbm.handler.GunConfiguration;
 import com.hbm.handler.HTTPHandler;
 import com.hbm.handler.HazmatRegistry;
 import com.hbm.handler.ImpactWorldHandler;
@@ -113,6 +114,7 @@ import net.minecraft.world.World;
 import net.minecraft.world.WorldProviderSurface;
 import net.minecraftforge.client.GuiIngameForge;
 import net.minecraftforge.client.IRenderHandler;
+import net.minecraftforge.client.event.FOVUpdateEvent;
 import net.minecraftforge.client.event.MouseEvent;
 import net.minecraftforge.client.event.RenderGameOverlayEvent;
 import net.minecraftforge.client.event.RenderGameOverlayEvent.ElementType;
@@ -219,6 +221,18 @@ public class ModEventHandlerClient {
 			PacketDispatcher.wrapper.sendToServer(new AuxButtonPacket(0, 0, 0, 999, 0));
 		}
 		
+		/// HANDLE SCOPE OVERLAY ///
+		ItemStack held = player.getHeldItem();
+		
+		if(player.isSneaking() && held != null && held.getItem() instanceof ItemGunBase)  {
+			GunConfiguration config = ((ItemGunBase) held.getItem()).mainConfig;
+			
+			if(config.scopeTexture != null) {
+				ScaledResolution resolution = event.resolution;
+				RenderScreenOverlay.renderScope(resolution, config.scopeTexture);
+			}
+		}
+		
 		/// HANDLE FSB HUD ///
 		ItemStack helmet = player.inventory.armorInventory[3];
 		
@@ -327,6 +341,27 @@ public class ModEventHandlerClient {
 		}
 	}
 	
+	@SubscribeEvent
+	public void setupFOV(FOVUpdateEvent event) {
+		
+		EntityPlayer player = Minecraft.getMinecraft().thePlayer;
+		ItemStack held = player.getHeldItem();
+		
+		if(held == null) return;
+		if(!(held.getItem() instanceof ItemGunBase)) return;
+		
+		GunConfiguration config = ((ItemGunBase) held.getItem()).mainConfig;
+		
+		if(config == null) return;
+		if(config.zoomFOV == 0F || !player.isSneaking()) return;
+		
+		if(config.absoluteFOV) {
+			event.newfov = config.zoomFOV;
+		} else {
+			event.newfov += config.zoomFOV;
+		}
+	}
+	
 	public static boolean ducked = false;
 	
 	@SubscribeEvent

src/main/java/com/hbm/render/item/weapon/ItemRenderOverkill.java

@@ -6,6 +6,7 @@ import com.hbm.items.ModItems;
 import com.hbm.items.weapon.GunFolly;
 import com.hbm.items.weapon.ItemGunBase;
 import com.hbm.lib.RefStrings;
+import com.hbm.main.MainRegistry;
 import com.hbm.render.model.ModelCalBarrel;
 import com.hbm.render.model.ModelCalDualStock;
 import com.hbm.render.model.ModelCalStock;
@@ -83,6 +84,9 @@ public class ItemRenderOverkill implements IItemRenderer {
 		if((Entity)data[1] instanceof EntityPlayer)
 			f = ((EntityPlayer)data[1]).getItemInUseDuration();
 		
+		//prevent rendering when using scope
+		if(item.getItem() == ModItems.gun_revolver_pip && type == ItemRenderType.EQUIPPED_FIRST_PERSON && MainRegistry.proxy.me().isSneaking()) return;
+		
 		switch(type) {
 		case EQUIPPED_FIRST_PERSON:
 			GL11.glPushMatrix();

src/main/java/com/hbm/render/util/RenderScreenOverlay.java

@@ -5,6 +5,7 @@ import org.lwjgl.opengl.GL12;
 
 import com.hbm.extprop.HbmPlayerProps;
 import com.hbm.interfaces.Spaghetti;
+import com.hbm.interfaces.Untested;
 import com.hbm.lib.RefStrings;
 
 import net.minecraft.client.Minecraft;
@@ -13,6 +14,7 @@ import net.minecraft.client.gui.Gui;
 import net.minecraft.client.gui.ScaledResolution;
 import net.minecraft.client.renderer.OpenGlHelper;
 import net.minecraft.client.renderer.RenderHelper;
+import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.client.renderer.entity.RenderItem;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
@@ -313,6 +315,46 @@ public class RenderScreenOverlay {
 		Minecraft.getMinecraft().renderEngine.bindTexture(Gui.icons);
 	}
 	
+	@Untested
+	public static void renderScope(ScaledResolution res, ResourceLocation tex) {
+
+		GL11.glEnable(GL11.GL_BLEND);
+		GL11.glDisable(GL11.GL_DEPTH_TEST);
+		GL11.glDepthMask(false);
+		OpenGlHelper.glBlendFunc(770, 771, 1, 0);
+		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
+		GL11.glDisable(GL11.GL_ALPHA_TEST);
+		
+		Minecraft.getMinecraft().renderEngine.bindTexture(tex);
+		Tessellator tess = Tessellator.instance;
+
+		double w = res.getScaledWidth_double();
+		double h = res.getScaledHeight_double();
+		
+		double wToH = w / h;
+		double hToW = h / w;
+		
+		double lower = 4.5D / 16D;
+		double upper = 11.5D / 16D;
+
+		double hMin = h < w ? lower : 0.5D - (9D / 32D) * hToW;
+		double hMax = h < w ? upper : 0.5D + (9D / 32D) * hToW;
+		double wMin = w < h ? lower : 0.5D - (9D / 32D) * wToH;
+		double wMax = w < h ? upper : 0.5D + (9D / 32D) * wToH;
+		
+		tess.startDrawingQuads();
+		tess.addVertexWithUV(0, 0, 0, wMin, 1D - hMin);
+		tess.addVertexWithUV(w, 0, 0, wMax, 1D - hMin);
+		tess.addVertexWithUV(w, 0, h, wMax, 1D - hMax);
+		tess.addVertexWithUV(0, 0, h, wMin, 1D - hMax);
+		tess.draw();
+		
+		GL11.glDepthMask(true);
+		GL11.glEnable(GL11.GL_DEPTH_TEST);
+		GL11.glEnable(GL11.GL_ALPHA_TEST);
+		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
+	}
+	
 	public enum Crosshair {
 
 		NONE(0, 0, 0),