1 files changed, 145 insertions, 0 deletions
diff --git a/src/main/java/detrav/gui/textures/DetravMapTexture.java b/src/main/java/detrav/gui/textures/DetravMapTexture.java
new file mode 100644
index 0000000000..e8e35dc82d
--- /dev/null
+++ b/src/main/java/detrav/gui/textures/DetravMapTexture.java
@@ -0,0 +1,145 @@
+package detrav.gui.textures;
+
+import java.awt.Color;
+import java.awt.image.BufferedImage;
+import java.awt.image.WritableRaster;
+
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.texture.AbstractTexture;
+import net.minecraft.client.renderer.texture.TextureUtil;
+import net.minecraft.client.resources.IResourceManager;
+
+import org.lwjgl.opengl.GL11;
+
+import detrav.net.ProspectingPacket;
+
+/**
+ * Created by wital_000 on 21.03.2016.
+ */
+public class DetravMapTexture extends AbstractTexture {
+
+    public final ProspectingPacket packet;
+    private String selected = "All";
+    public int width = -1;
+    public int height = -1;
+    public boolean invert = false;
+
+    public DetravMapTexture(ProspectingPacket aPacket) {
+        packet = aPacket;
+    }
+
+    private BufferedImage getImage() {
+        final int backgroundColor = invert ? Color.GRAY.getRGB() : Color.WHITE.getRGB();
+        final int wh = (packet.size * 2 + 1) * 16;
+
+        BufferedImage image = new BufferedImage(wh, wh, BufferedImage.TYPE_INT_ARGB);
+        WritableRaster raster = image.getRaster();
+
+        int playerI = packet.posX - (packet.chunkX - packet.size) * 16 - 1; // Correct player offset
+        int playerJ = packet.posZ - (packet.chunkZ - packet.size) * 16 - 1;
+        for (int i = 0; i < wh; i++) {
+            for (int j = 0; j < wh; j++) {
+                image.setRGB(i, j, backgroundColor);
+                if (packet.map[i][j] != null) {
+                    if (packet.ptype == 0 || packet.ptype == 1) {
+                        for (short meta : packet.map[i][j].values()) {
+                            final String name = packet.metaMap.get(meta);
+                            if (!selected.equals("All") && !selected.equals(name)) continue;
+
+                            image.setRGB(i, j, packet.ores.getOrDefault(name, Color.BLACK.getRGB()) | 0XFF000000);
+                            break;
+                        }
+                    } else if (packet.ptype == 2) {
+                        final short fluidId = packet.map[i][j].get((byte) 1),
+                            fluidSize = packet.map[i][j].get((byte) 2);
+                        final String name = packet.metaMap.get(fluidId);
+
+                        // Variables used to locate within a chunk.
+                        final int k = (i % 16), l = (j % 16);
+
+                        if (((k + l * 16) * 3) < (fluidSize + 48)
+                            && (selected.equals("All") || selected.equals(name))) {
+                            image.setRGB(i, j, packet.ores.getOrDefault(name, Color.BLACK.getRGB()) | 0XFF000000);
+                        }
+                    } else if (packet.ptype == 3) {
+                        final short meta = packet.map[i][j].get((byte) 1);
+                        image.setRGB(i, j, ((meta & 0xFF) << 16) + ((meta & 0xFF) << 8) + ((meta & 0xFF)) | 0XFF000000);
+                    }
+                }
+                // draw player pos
+                if (i == playerI || j == playerJ) {
+                    raster.setSample(i, j, 0, (raster.getSample(i, j, 0) + 255) / 2);
+                    raster.setSample(i, j, 1, raster.getSample(i, j, 1) / 2);
+                    raster.setSample(i, j, 2, raster.getSample(i, j, 2) / 2);
+                }
+                // draw grid
+                if ((i) % 16 == 0 || (j) % 16 == 0) {
+                    raster.setSample(i, j, 0, raster.getSample(i, j, 0) / 2);
+                    raster.setSample(i, j, 1, raster.getSample(i, j, 1) / 2);
+                    raster.setSample(i, j, 2, raster.getSample(i, j, 2) / 2);
+                }
+
+            }
+        }
+
+        return image;
+    }
+
+    @Override
+    public void loadTexture(IResourceManager resourceManager) {
+        this.deleteGlTexture();
+        if (packet != null) {
+            int tId = getGlTextureId();
+            if (tId < 0) return;
+            TextureUtil.uploadTextureImageAllocate(this.getGlTextureId(), getImage(), false, false);
+            width = packet.getSize();
+            height = packet.getSize();
+        }
+    }
+
+    public void loadTexture(IResourceManager resourceManager, boolean invert) {
+        this.invert = invert;
+        loadTexture(resourceManager);
+    }
+
+    public void loadTexture(IResourceManager resourceManager, String selected, boolean invert) {
+        this.selected = selected;
+        loadTexture(resourceManager, invert);
+    }
+
+    public int glBindTexture() {
+        if (this.glTextureId < 0) return this.glTextureId;
+        GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.getGlTextureId());
+        return this.glTextureId;
+    }
+
+    public void draw(int x, int y) {
+        float f = 1F / (float) width;
+        float f1 = 1F / (float) height;
+        int u = 0, v = 0;
+        Tessellator tessellator = Tessellator.instance;
+        tessellator.startDrawingQuads();
+        tessellator.addVertexWithUV(
+            (double) (x),
+            (double) (y + height),
+            0,
+            (double) ((float) (u) * f),
+            (double) ((float) (v + height) * f1));
+        tessellator.addVertexWithUV(
+            (double) (x + width),
+            (double) (y + height),
+            0,
+            (double) ((float) (u + width) * f),
+            (double) ((float) (v + height) * f1));
+        tessellator.addVertexWithUV(
+            (double) (x + width),
+            (double) (y),
+            0,
+            (double) ((float) (u + width) * f),
+            (double) ((float) (v) * f1));
+        tessellator
+            .addVertexWithUV((double) (x), (double) (y), 0, (double) ((float) (u) * f), (double) ((float) (v) * f1));
+        tessellator.draw();
+    }
+
+}