net.BiggerOnTheInside.Binder.BlockRenderer.java Source code

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/***************************************************************************************************************/
/** Copyright 2015 BiggerOnTheInside (development), all rights reserved. */
/** Released under the Binder License (https://github.com/BiggerOnTheInside/Licenses/blob/master/Binder.txt) */
/***************************************************************************************************************/

package net.BiggerOnTheInside.Binder;

import org.lwjgl.opengl.GL11;

public class BlockRenderer {
    public static void renderBlock(Block b, float x, float y, float z) {
        GL11.glPushMatrix();
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTranslatef(x * 2f, y * 2f, z * 2f);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glColor3f(1f, 1f, 1f);

        // Top face.
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x(), b.getTextureCoordinates(BlockFace.Top).y());
        GL11.glVertex3f(1.0f, 1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Top).y());
        GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Top).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Top).x(),
                b.getTextureCoordinates(BlockFace.Top).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(1.0f, 1.0f, 1.0f);

        // Bottom.
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x(),
                b.getTextureCoordinates(BlockFace.Bottom).y());
        GL11.glVertex3f(1.0f, -1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Bottom).y());
        GL11.glVertex3f(-1.0f, -1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Bottom).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Bottom).x(),
                b.getTextureCoordinates(BlockFace.Bottom).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(1.0f, -1.0f, -1.0f);

        // Front.
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x(),
                b.getTextureCoordinates(BlockFace.Front).y());
        GL11.glVertex3f(1.0f, 1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Front).y());
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Front).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(-1.0f, -1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Front).x(),
                b.getTextureCoordinates(BlockFace.Front).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(1.0f, -1.0f, 1.0f);

        // Back.
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x(), b.getTextureCoordinates(BlockFace.Back).y());
        GL11.glVertex3f(1.0f, -1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Back).y());
        GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Back).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Back).x(),
                b.getTextureCoordinates(BlockFace.Back).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(1.0f, 1.0f, -1.0f);

        // Left
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x(), b.getTextureCoordinates(BlockFace.Left).y());
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Left).y());
        GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Left).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Left).x(),
                b.getTextureCoordinates(BlockFace.Left).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(-1.0f, -1.0f, 1.0f);

        // Right.
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x(),
                b.getTextureCoordinates(BlockFace.Right).y());
        GL11.glVertex3f(1.0f, 1.0f, -1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Right).y());
        GL11.glVertex3f(1.0f, 1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x() + Globals.TEXTURE_SIZE,
                b.getTextureCoordinates(BlockFace.Right).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(1.0f, -1.0f, 1.0f);
        GL11.glTexCoord2f(b.getTextureCoordinates(BlockFace.Right).x(),
                b.getTextureCoordinates(BlockFace.Right).y() + Globals.TEXTURE_SIZE);
        GL11.glVertex3f(1.0f, -1.0f, -1.0f);
        GL11.glEnd();
        GL11.glTranslatef(0f, 0f, 0f);
        GL11.glPopMatrix();
    }

    public static void renderWireframeBlock(Block b, float x, float y, float z) {
        GL11.glTranslatef(x * 2f, y * 2f, z * 2f);
        GL11.glBegin(GL11.GL_LINE_LOOP);
        GL11.glColor3f(0.0f, 1.0f, 0.0f);
        GL11.glVertex3f(1.0f, 1.0f, -1.0f);
        GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
        GL11.glVertex3f(1.0f, 1.0f, 1.0f);
        GL11.glColor3f(1.0f, 0.5f, 0.0f);
        GL11.glVertex3f(1.0f, -1.0f, 1.0f);
        GL11.glVertex3f(-1.0f, -1.0f, 1.0f);
        GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
        GL11.glVertex3f(1.0f, -1.0f, -1.0f);
        GL11.glColor3f(1.0f, 0.0f, 0.0f);
        GL11.glVertex3f(1.0f, 1.0f, 1.0f);
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
        GL11.glVertex3f(-1.0f, -1.0f, 1.0f);
        GL11.glVertex3f(1.0f, -1.0f, 1.0f);
        GL11.glColor3f(1.0f, 1.0f, 0.0f);
        GL11.glVertex3f(1.0f, -1.0f, -1.0f);
        GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
        GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
        GL11.glVertex3f(1.0f, 1.0f, -1.0f);
        GL11.glColor3f(0.0f, 0.0f, 1.0f);
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);
        GL11.glVertex3f(-1.0f, 1.0f, -1.0f);
        GL11.glVertex3f(-1.0f, -1.0f, -1.0f);
        GL11.glVertex3f(-1.0f, -1.0f, 1.0f);
        GL11.glColor3f(1.0f, 0.0f, 1.0f);
        GL11.glVertex3f(1.0f, 1.0f, -1.0f);
        GL11.glVertex3f(1.0f, 1.0f, 1.0f);
        GL11.glVertex3f(1.0f, -1.0f, 1.0f);
        GL11.glVertex3f(1.0f, -1.0f, -1.0f);
        GL11.glEnd();
        GL11.glTranslatef(0f, 0f, 0f);
    }
}