Some work on in world transmutation overlays for the pstone

ee3_client/ee3/client/core/handlers/DrawBlockHighlightHandler.java

@@ -1,17 +1,143 @@
 package ee3.client.core.handlers;
 
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL12;
+
+import ee3.common.item.ItemPhilosopherStone;
+import ee3.common.lib.Reference;
+import net.minecraft.src.EnumMovingObjectType;
 import net.minecraft.src.RenderEngine;
+import net.minecraft.src.Tessellator;
 import net.minecraftforge.client.event.DrawBlockHighlightEvent;
+import net.minecraftforge.common.ForgeDirection;
 import net.minecraftforge.event.ForgeSubscribe;
 
 public class DrawBlockHighlightHandler {
 
-    
     @ForgeSubscribe
     public void onDrawBlockHighlightEvent(DrawBlockHighlightEvent event) {
-        RenderEngine renderEngine = event.context.renderEngine;
 
-        // TODO Magic happens here
+        if (event.currentItem != null) {
+            if (event.currentItem.getItem() instanceof ItemPhilosopherStone) {
+                if (event.target.typeOfHit == EnumMovingObjectType.TILE) {
+                    drawPhilosopherStoneOverlay(event);
+                }
+            }
+        }
+    }
+
+    public void drawPhilosopherStoneOverlay(DrawBlockHighlightEvent event) {
+
+        double x = event.target.blockX + 0.5F;
+        double y = event.target.blockY + 0.5F;
+        double z = event.target.blockZ + 0.5F;
+        double iPX = event.player.prevPosX + (event.player.posX - event.player.prevPosX) * event.partialTicks;
+        double iPY = event.player.prevPosY + (event.player.posY - event.player.prevPosY) * event.partialTicks;
+        double iPZ = event.player.prevPosZ + (event.player.posZ - event.player.prevPosZ) * event.partialTicks;
+        int texture = event.context.renderEngine.getTexture(Reference.SPRITE_SHEET_LOCATION + "noise.png");
+
+        int xScale = 1;
+        int yScale = 1;
+        int zScale = 1;
+        int chargeLevel = ((ItemPhilosopherStone)event.currentItem.getItem()).getCharge(event.currentItem);
+        
+        if (chargeLevel < 1) {
+            chargeLevel = 1;
+        }
+
+        if ((event.target.sideHit == 0) || (event.target.sideHit == 1)) {
+            xScale = chargeLevel;
+            zScale = chargeLevel;
+        }
+        else if ((event.target.sideHit == 2) || (event.target.sideHit == 3)) {
+            xScale = chargeLevel;
+            yScale = chargeLevel;
+        }
+        else if ((event.target.sideHit == 4) || (event.target.sideHit == 5)) {
+            yScale = chargeLevel;
+            zScale = chargeLevel;
+        }
+
+        float xShift = 0.1F;
+        float yShift = 0.1F;
+        float zShift = 0.1F;
+
+        if (event.target.sideHit == 0) {
+            xShift = 0;
+            yShift = -yShift;
+            zShift = 0;
+        }
+        else if (event.target.sideHit == 1) {
+            xShift = 0;
+            zShift = 0;
+        }
+        else if (event.target.sideHit == 2) {
+            xShift = 0;
+            yShift = 0;
+            if (chargeLevel > 1) {
+                zShift = -zShift - 1;
+            }
+            else {
+                zShift = -zShift;
+            }
+        }
+        else if (event.target.sideHit == 3) {
+            xShift = 0;
+            yShift = 0;
+        }
+        else if (event.target.sideHit == 4) {
+            xShift = -xShift;
+            yShift = 0;
+            zShift = 0;
+        }
+        else if (event.target.sideHit == 5) {
+            yShift = 0;
+            zShift = 0;
+        }
+
+        GL11.glDepthMask(false);
+        GL11.glDisable(GL11.GL_CULL_FACE);
+
+        for (int i = 0; i < 6; i++) {
+            ForgeDirection forgeDir = ForgeDirection.getOrientation(i);
+            GL11.glPushMatrix();
+            GL11.glTranslated(-iPX + x + xShift, -iPY + y + yShift, -iPZ + z + zShift);
+            GL11.glScalef(1F * xScale, 1F * yScale, 1F * zScale);
+            GL11.glRotatef(90, forgeDir.offsetX, forgeDir.offsetY, forgeDir.offsetZ);
+            GL11.glTranslated(0, 0, 0.5f);
+            GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
+            renderSlidingQuad(texture, 0.75F);
+            GL11.glPopMatrix();
+        }
+
+        GL11.glEnable(GL11.GL_CULL_FACE);
+        GL11.glDepthMask(true);
+    }
+
+    public static void renderSlidingQuad(int texture, float transparency) {
+
+        float slide = (System.currentTimeMillis() % 3000) / 3000f;
+        double pulse = (double) 1 + slide;
+
+        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
+        Tessellator tessellator = Tessellator.instance;
+
+        GL11.glEnable(GL12.GL_RESCALE_NORMAL);
+        GL11.glEnable(GL11.GL_BLEND);
+        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+        GL11.glColor4f(1, 1, 1, transparency);
+
+        tessellator.startDrawingQuads();
+        tessellator.setColorRGBA_F(1, 1, 1, transparency);
+
+        tessellator.addVertexWithUV(-0.5D, 0.5D, 0F, 0, pulse);
+        tessellator.addVertexWithUV(0.5D, 0.5D, 0F, 0, pulse);
+        tessellator.addVertexWithUV(0.5D, -0.5D, 0F, 1, pulse);
+        tessellator.addVertexWithUV(-0.5D, -0.5D, 0F, 1, pulse);
+
+        tessellator.draw();
+        GL11.glDisable(GL11.GL_BLEND);
+        GL11.glDisable(GL12.GL_RESCALE_NORMAL);
     }
 
 }

ee3_common/ee3/common/item/IChargeable.java

@@ -4,10 +4,12 @@ import net.minecraft.src.ItemStack;
 
 public interface IChargeable {
 
-    public abstract void setCharge(ItemStack stone, short charge);
+    public abstract short getCharge(ItemStack stack);
     
-    public abstract void increaseCharge(ItemStack stone);
+    public abstract void setCharge(ItemStack stack, short charge);
 
-    public abstract void decreaseCharge(ItemStack stone);
+    public abstract void increaseCharge(ItemStack stack);
+
+    public abstract void decreaseCharge(ItemStack stack);
 
 }

ee3_common/ee3/common/item/ItemPhilosopherStone.java

@@ -75,23 +75,28 @@ public class ItemPhilosopherStone extends ItemEE
     }
     
     @Override
-    public void setCharge(ItemStack stone, short charge) {
+    public short getCharge(ItemStack stack) {
+        return NBTHelper.getShort(stack, Strings.NBT_CHARGE_LEVEL_KEY);
+    }
+
+    @Override
+    public void setCharge(ItemStack stack, short charge) {
         if (charge <= maxChargeLevel) {
-            NBTHelper.setShort(stone, "chargeLevel", charge);
+            NBTHelper.setShort(stack, Strings.NBT_CHARGE_LEVEL_KEY, charge);
         }
     }
     
     @Override
-    public void increaseCharge(ItemStack stone) {
-        if (NBTHelper.getShort(stone, "chargeLevel") < maxChargeLevel) {
-            NBTHelper.setShort(stone, "chargeLevel", (short)(NBTHelper.getShort(stone, "chargeLevel") + 1));
+    public void increaseCharge(ItemStack stack) {
+        if (NBTHelper.getShort(stack, Strings.NBT_CHARGE_LEVEL_KEY) < maxChargeLevel) {
+            NBTHelper.setShort(stack, Strings.NBT_CHARGE_LEVEL_KEY, (short)(NBTHelper.getShort(stack, Strings.NBT_CHARGE_LEVEL_KEY) + 1));
         }
     }
 
     @Override
-    public void decreaseCharge(ItemStack stone) {
-        if (NBTHelper.getShort(stone, "chargeLevel") > 0) {
-            NBTHelper.setShort(stone, "chargeLevel", (short)(NBTHelper.getShort(stone, "chargeLevel") - 1));
+    public void decreaseCharge(ItemStack stack) {
+        if (NBTHelper.getShort(stack, Strings.NBT_CHARGE_LEVEL_KEY) > 0) {
+            NBTHelper.setShort(stack, Strings.NBT_CHARGE_LEVEL_KEY, (short)(NBTHelper.getShort(stack, Strings.NBT_CHARGE_LEVEL_KEY) - 1));
         }
     }
 

ee3_common/ee3/common/lib/Strings.java

@@ -15,6 +15,9 @@ public class Strings {
 	/* Gui related constants */
     public static final String GUI_CALCINATOR_NAME = "gui.calcinator.name";
     
+    /* NBT related constants */
+    public static final String NBT_CHARGE_LEVEL_KEY = "chargeLevel";
+	
 	/* Block name constants */
     public static final String CALCINATOR_NAME = "calcinator";
     public static final String RED_WATER_STILL_NAME = "redWaterStill";