From 6c42b399f4b194254b2c403d029115529cf01954 Mon Sep 17 00:00:00 2001
From: Mike Primm <mike@primmhome.com>
Date: Sat, 30 Jul 2011 01:22:05 -0500
Subject: [PATCH] Improve texture rendering for redstone wire

---
 .../org/dynmap/hdmap/IsoHDPerspective.java    |  60 +++++++++
 .../java/org/dynmap/hdmap/TexturePack.java    |  21 +++-
 src/main/resources/models.txt                 | 116 +++++++++++++++---
 src/main/resources/texture.txt                |   4 +-
 4 files changed, 179 insertions(+), 22 deletions(-)

diff --git a/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java b/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java
index 57562d83..41bb284b 100644
--- a/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java
+++ b/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java
@@ -76,6 +76,7 @@ public class IsoHDPerspective implements HDPerspective {
 
     private static final int CHEST_BLKTYPEID = 54;
     private static final int FENCE_BLKTYPEID = 85;
+    private static final int REDSTONE_BLKTYPEID = 55;
     
     private enum ChestData {
         SINGLE_WEST, SINGLE_SOUTH, SINGLE_EAST, SINGLE_NORTH, LEFT_WEST, LEFT_SOUTH, LEFT_EAST, LEFT_NORTH, RIGHT_WEST, RIGHT_SOUTH, RIGHT_EAST, RIGHT_NORTH
@@ -386,6 +387,62 @@ public class IsoHDPerspective implements HDPerspective {
             
             return cd.ordinal();
         }
+        /**
+         * Generate redstone wire model data:
+         *   0 = NSEW wire
+         *   1 = NS wire
+         *   2 = EW wire
+         *   3 = NE wire
+         *   4 = NW wire
+         *   5 = SE wire
+         *   6 = SW wire
+         *   7 = NSE wire
+         *   8 = NSW wire
+         *   9 = NEW wire
+         *   10 = SEW wire
+         * @param mapiter
+         * @return
+         */
+        private int generateRedstoneWireBlockData(MapIterator mapiter) {
+            /* Check adjacent block IDs */
+            int ids[] = { mapiter.getBlockTypeIDAt(BlockStep.Z_PLUS),  /* To west */
+                mapiter.getBlockTypeIDAt(BlockStep.X_PLUS),            /* To south */
+                mapiter.getBlockTypeIDAt(BlockStep.Z_MINUS),           /* To east */
+                mapiter.getBlockTypeIDAt(BlockStep.X_MINUS) };         /* To north */
+            int flags = 0;
+            for(int i = 0; i < 4; i++)
+                if(ids[i] == REDSTONE_BLKTYPEID) flags |= (1<<i);
+            switch(flags) {
+                case 0: /* Nothing nearby */
+                case 15: /* NSEW */
+                    return 0;   /* NSEW graphic */
+                case 2: /* S */
+                case 8: /* N */
+                case 10: /* NS */
+                    return 1;   /* NS graphic */
+                case 1: /* W */
+                case 4: /* E */
+                case 5: /* EW */
+                    return 2;   /* EW graphic */
+                case 12: /* NE */
+                    return 3;
+                case 9: /* NW */
+                    return 4;
+                case 6: /* SE */
+                    return 5;
+                case 3: /* SW */
+                    return 6;
+                case 14: /* NSE */
+                    return 7;
+                case 11: /* NSW */
+                    return 8;
+                case 13: /* NEW */
+                    return 9;
+                case 7: /* SEW */
+                    return 10;
+            }
+            return 0;
+        }
         private final boolean handleSubModel(short[] model, HDShaderState[] shaderstate, boolean[] shaderdone) {
             boolean firststep = true;
             
@@ -423,6 +480,9 @@ public class IsoHDPerspective implements HDPerspective {
                     case CHEST_BLKTYPEID:   /* Special case for chest - need to fake data so we can render */
                         blockdata = generateChestBlockData(mapiter);
                         break;
+                    case REDSTONE_BLKTYPEID:    /* Special case for redstone - fake data for wire pattern */
+                        blockdata = generateRedstoneWireBlockData(mapiter);
+                        break;
                     default:
                         blockdata = mapiter.getBlockData();
                         break;
diff --git a/src/main/java/org/dynmap/hdmap/TexturePack.java b/src/main/java/org/dynmap/hdmap/TexturePack.java
index 42c8dd86..c19de1a6 100644
--- a/src/main/java/org/dynmap/hdmap/TexturePack.java
+++ b/src/main/java/org/dynmap/hdmap/TexturePack.java
@@ -71,6 +71,10 @@ public class TexturePack {
     
     /* Special tile index values */
     private static final int BLOCKINDEX_BLANK = -1;
+    private static final int BLOCKINDEX_REDSTONE_NSEW_TONE = 164;
+    private static final int BLOCKINDEX_REDSTONE_EW_TONE = 165;
+    private static final int BLOCKINDEX_REDSTONE_NSEW = 180;
+    private static final int BLOCKINDEX_REDSTONE_EW = 181;
     private static final int BLOCKINDEX_STATIONARYWATER = 257;
     private static final int BLOCKINDEX_MOVINGWATER = 258;
     private static final int BLOCKINDEX_STATIONARYLAVA = 259;
@@ -344,7 +348,22 @@ public class TexturePack {
         /* Fallbacks */
         terrain_argb[BLOCKINDEX_STATIONARYLAVA] = terrain_argb[255];
         terrain_argb[BLOCKINDEX_MOVINGLAVA] = terrain_argb[255];
-
+        /* Now, build redstone textures with active wire color (since we're not messing with that) */
+        Color tc = new Color();
+        for(i = 0; i < native_scale*native_scale; i++) {
+            if(terrain_argb[BLOCKINDEX_REDSTONE_NSEW_TONE][i] != 0) {
+                /* Overlay NSEW redstone texture with toned wire color */
+                tc.setARGB(terrain_argb[BLOCKINDEX_REDSTONE_NSEW_TONE][i]);
+                tc.blendColor(0xFFC00000);  /* Blend in red */
+                terrain_argb[BLOCKINDEX_REDSTONE_NSEW][i] = tc.getARGB();
+            }
+            if(terrain_argb[BLOCKINDEX_REDSTONE_EW_TONE][i] != 0) {
+                /* Overlay NSEW redstone texture with toned wire color */
+                tc.setARGB(terrain_argb[BLOCKINDEX_REDSTONE_EW_TONE][i]);
+                tc.blendColor(0xFFC00000);  /* Blend in red */
+                terrain_argb[BLOCKINDEX_REDSTONE_EW][i] = tc.getARGB();
+            }
+        }
         img.flush();
     }
     
diff --git a/src/main/resources/models.txt b/src/main/resources/models.txt
index 2816a091..dd7e4ce5 100644
--- a/src/main/resources/models.txt
+++ b/src/main/resources/models.txt
@@ -903,25 +903,103 @@ rotate:id=68,data=2,rot=270
 # Wall sign - facing south
 block:id=68,data=5,scale=4
 rotate:id=68,data=2,rot=90
-# Redstone wire
-block:id=55,data=*,scale=16
-layer:0
--------**-------
---------**------
--------**-------
-------**--------
--------**-------
---------**------
--*---*-**---*---
-***-******-***-*
-*-***-******-***
----*---**-*---*-
-------**--------
--------**-------
---------**------
--------**-------
-------**--------
--------**-------
+# Redstone wire (NSEW)
+block:id=55,data=0,scale=16
+layer:0,1
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+****************
+****************
+****************
+****************
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+# Redstone wire (NS)
+block:id=55,data=1,scale=16
+layer:0,1
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+# Redstone wire (EW)
+block:id=55,data=2,scale=16
+rotate:id=55,data=1,rot=90
+# Redstone wire (NE)
+block:id=55,data=3,scale=16
+layer:0,1
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------**********
+------**********
+------**********
+------**********
+----------------
+----------------
+----------------
+----------------
+----------------
+----------------
+# Redstone wire (NW)
+block:id=55,data=4,scale=16
+rotate:id=55,data=3,rot=270
+# Redstone wire (SE)
+block:id=55,data=5,scale=16
+rotate:id=55,data=3,rot=90
+# Redstone wire (SW)
+block:id=55,data=6,scale=16
+rotate:id=55,data=3,rot=180
+# Redstone wire (NSE)
+block:id=55,data=7,scale=16
+layer:0,1
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+------**********
+------**********
+------**********
+------**********
+------****------
+------****------
+------****------
+------****------
+------****------
+------****------
+# Redstone wire (NSW)
+block:id=55,data=8,scale=16
+rotate:id=55,data=7,rot=180
+# Redstone wire (NEW)
+block:id=55,data=9,scale=16
+rotate:id=55,data=7,rot=270
+# Redstone wire (SEW)
+block:id=55,data=10,scale=16
+rotate:id=55,data=7,rot=90
 # Signpost - facing west
 block:id=63,data=0,scale=16
 layer:0,1,2,3,4,5
diff --git a/src/main/resources/texture.txt b/src/main/resources/texture.txt
index 7ae56ee0..39e4ad9f 100644
--- a/src/main/resources/texture.txt
+++ b/src/main/resources/texture.txt
@@ -255,8 +255,8 @@ block:id=54,data=9,topbottom=25,south=42,north=57,east=26,west=26
 block:id=54,data=10,topbottom=25,south=26,north=26,east=42,west=57
 # Chest - right side of double, facing north
 block:id=54,data=11,topbottom=25,south=57,north=42,east=26,west=26
-# Redstone wire (model handling shape - use red wool for color)
-block:id=55,allfaces=129,transparency=TRANSPARENT
+# Redstone wire (use processed tile - pretoned to active)
+block:id=55,allfaces=180,transparency=TRANSPARENT
 # Diamond ore
 block:id=56,allfaces=50
 # Diamond block