From 7b7bed22c4606a82fa4845ae270529261de09875 Mon Sep 17 00:00:00 2001
From: DmitriyMX <dimon550@gmail.com>
Date: Tue, 28 May 2019 23:00:03 +0300
Subject: [PATCH] TextureManager: palette load

---
 .../dmx/lwjake2/render/TextureManager.java    | 42 ++++++++++++++++++-
 src/main/java/lwjake2/client/particle_t.java  |  5 ---
 src/main/java/lwjake2/render/lwjgl/Image.java | 27 ++----------
 3 files changed, 43 insertions(+), 31 deletions(-)

diff --git a/src/main/java/dmx/lwjake2/render/TextureManager.java b/src/main/java/dmx/lwjake2/render/TextureManager.java
index 50a6f7c..9c2e246 100644
--- a/src/main/java/dmx/lwjake2/render/TextureManager.java
+++ b/src/main/java/dmx/lwjake2/render/TextureManager.java
@@ -1,10 +1,48 @@
 package dmx.lwjake2.render;
 
+import dmx.lwjake2.UnpackLoader;
+import lombok.extern.slf4j.Slf4j;
+
+import static lwjake2.render.lwjgl.Main.d_8to24table;
+
+@Slf4j
 public class TextureManager {
 
-    private static int[] colorTable = new int[256];
+    private static final String $PALETTE_PATH = "pics/colormap.pcx";
+    private static int[] colorTable;
 
-    public static void setColorPalette(int[] palette) {
+    public static void LoadPalette() {
+        byte[] raw = UnpackLoader.loadFile($PALETTE_PATH);
+
+        if (raw == null) {
+            log.error("Error load palette");
+            return;
+        }
+
+        byte[] pal = new byte[768];
+        System.arraycopy(raw, raw.length - 768, pal, 0, 768);
+
+        int r, g, b;
+        int j = 0;
+        for (int i = 0; i < 256; i++) {
+            r = pal[j++] & 0xFF;
+            g = pal[j++] & 0xFF;
+            b = pal[j++] & 0xFF;
+
+            d_8to24table[i] = (255 << 24) | (b << 16) | (g << 8) | (r);
+        }
+
+        d_8to24table[255] &= 0x00FFFFFF; // 255 is transparent
+
+        setColorPalette(d_8to24table);
+    }
+
+    private static void setColorPalette(int[] palette) {
+        if (colorTable != null) {
+            return;
+        }
+
+        colorTable = new int[256];
         for (int i = 0; i < 256; i++) {
             colorTable[i] = palette[i] & 0x00FFFFFF;
         }
diff --git a/src/main/java/lwjake2/client/particle_t.java b/src/main/java/lwjake2/client/particle_t.java
index fe8f400..79384bd 100644
--- a/src/main/java/lwjake2/client/particle_t.java
+++ b/src/main/java/lwjake2/client/particle_t.java
@@ -35,11 +35,6 @@ public class particle_t {
     public static FloatBuffer vertexArray = Lib.newFloatBuffer(Defines.MAX_PARTICLES * 3);
     public static IntBuffer colorArray = colorByteArray.asIntBuffer();
     
-    @Deprecated
-    public static void setColorPalette(int[] palette) {
-        TextureManager.setColorPalette(palette);
-    }
-    
     public static ByteBuffer getColorAsByteBuffer() {
         return colorByteArray;
     }
diff --git a/src/main/java/lwjake2/render/lwjgl/Image.java b/src/main/java/lwjake2/render/lwjgl/Image.java
index c315305..86dbe72 100644
--- a/src/main/java/lwjake2/render/lwjgl/Image.java
+++ b/src/main/java/lwjake2/render/lwjgl/Image.java
@@ -19,6 +19,7 @@
 package lwjake2.render.lwjgl;
 
 import dmx.lwjake2.render.PcxTexture;
+import dmx.lwjake2.render.TextureManager;
 import lwjake2.Defines;
 import lwjake2.ErrorCode;
 import dmx.lwjake2.UnpackLoader;
@@ -1523,31 +1524,9 @@ public abstract class Image extends Main {
     Draw_GetPalette
     ===============
     */
+    @Deprecated
     protected void Draw_GetPalette() {
-        int r, g, b;
-        byte[][] palette = new byte[1][]; //new byte[768];
-
-        // get the palette
-
-        LoadPCX("pics/colormap.pcx", palette, new Dimension());
-
-        if (palette[0] == null || palette[0].length != 768)
-            Com.Error(ErrorCode.ERR_FATAL, "Couldn't load pics/colormap.pcx");
-
-        byte[] pal = palette[0];
-
-        int j = 0;
-        for (int i = 0; i < 256; i++) {
-            r = pal[j++] & 0xFF;
-            g = pal[j++] & 0xFF;
-            b = pal[j++] & 0xFF;
-
-            d_8to24table[i] = (255 << 24) | (b << 16) | (g << 8) | (r);
-        }
-
-        d_8to24table[255] &= 0x00FFFFFF; // 255 is transparent
-
-        particle_t.setColorPalette(d_8to24table);
+        TextureManager.LoadPalette();
     }
 
     /*