Example usage for org.lwjgl.opengl GL11 glEnd

List of usage examples for org.lwjgl.opengl GL11 glEnd

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glEnd.

Prototype

public static native void glEnd();

Source Link

Document

Ends the definition of vertex attributes of a sequence of primitives to be transferred to the GL.

Usage

From source file:kuake2.render.lwjgl.Main.java

License:Open Source License

/**
 * GL_DrawParticles// w  ww.  j  a  va2s .  c o m
 */
void GL_DrawParticles(int num_particles) {
    float origin_x, origin_y, origin_z;

    Math3D.VectorScale(vup, 1.5f, up);
    Math3D.VectorScale(vright, 1.5f, right);

    GL_Bind(r_particletexture.texnum);
    GL11.glDepthMask(false); // no z buffering
    GL11.glEnable(GL11.GL_BLEND);
    GL_TexEnv(GL11.GL_MODULATE);

    GL11.glBegin(GL11.GL_TRIANGLES);

    FloatBuffer sourceVertices = particle_t.vertexArray;
    IntBuffer sourceColors = particle_t.colorArray;
    float scale;
    int color;
    for (int j = 0, i = 0; i < num_particles; i++) {
        origin_x = sourceVertices.get(j++);
        origin_y = sourceVertices.get(j++);
        origin_z = sourceVertices.get(j++);

        // hack a scale up to keep particles from disapearing
        scale = (origin_x - r_origin[0]) * vpn[0] + (origin_y - r_origin[1]) * vpn[1]
                + (origin_z - r_origin[2]) * vpn[2];

        scale = (scale < 20) ? 1 : 1 + scale * 0.004f;

        color = sourceColors.get(i);

        GL11.glColor4ub((byte) ((color) & 0xFF), (byte) ((color >> 8) & 0xFF), (byte) ((color >> 16) & 0xFF),
                (byte) ((color >>> 24)));
        // first vertex
        GL11.glTexCoord2f(0.0625f, 0.0625f);
        GL11.glVertex3f(origin_x, origin_y, origin_z);
        // second vertex
        GL11.glTexCoord2f(1.0625f, 0.0625f);
        GL11.glVertex3f(origin_x + up[0] * scale, origin_y + up[1] * scale, origin_z + up[2] * scale);
        // third vertex
        GL11.glTexCoord2f(0.0625f, 1.0625f);
        GL11.glVertex3f(origin_x + right[0] * scale, origin_y + right[1] * scale, origin_z + right[2] * scale);
    }
    GL11.glEnd();

    GL11.glDisable(GL11.GL_BLEND);
    GL11.glColor4f(1, 1, 1, 1);
    GL11.glDepthMask(true); // back to normal Z buffering
    GL_TexEnv(GL11.GL_REPLACE);
}

From source file:kuake2.render.lwjgl.Main.java

License:Open Source License

/**
 * R_PolyBlend//from  w  w w.j  a  v  a2s . c om
 */
void R_PolyBlend() {
    if (gl_polyblend.value == 0.0f)
        return;

    if (v_blend[3] == 0.0f)
        return;

    GL11.glDisable(GL11.GL_ALPHA_TEST);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDisable(GL11.GL_TEXTURE_2D);

    GL11.glLoadIdentity();

    // FIXME: get rid of these
    GL11.glRotatef(-90, 1, 0, 0); // put Z going up
    GL11.glRotatef(90, 0, 0, 1); // put Z going up

    GL11.glColor4f(v_blend[0], v_blend[1], v_blend[2], v_blend[3]);

    GL11.glBegin(GL11.GL_QUADS);

    GL11.glVertex3f(10, 100, 100);
    GL11.glVertex3f(10, -100, 100);
    GL11.glVertex3f(10, -100, -100);
    GL11.glVertex3f(10, 100, -100);
    GL11.glEnd();

    GL11.glDisable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glEnable(GL11.GL_ALPHA_TEST);

    GL11.glColor4f(1, 1, 1, 1);
}

From source file:kuake2.render.lwjgl.Main.java

License:Open Source License

/**
 * R_DrawBeam//from   w  ww.  j a v  a 2s  .com
 */
void R_DrawBeam(entity_t e) {
    oldorigin[0] = e.oldorigin[0];
    oldorigin[1] = e.oldorigin[1];
    oldorigin[2] = e.oldorigin[2];

    origin[0] = e.origin[0];
    origin[1] = e.origin[1];
    origin[2] = e.origin[2];

    normalized_direction[0] = direction[0] = oldorigin[0] - origin[0];
    normalized_direction[1] = direction[1] = oldorigin[1] - origin[1];
    normalized_direction[2] = direction[2] = oldorigin[2] - origin[2];

    if (Math3D.VectorNormalize(normalized_direction) == 0.0f)
        return;

    Math3D.PerpendicularVector(perpvec, normalized_direction);
    Math3D.VectorScale(perpvec, e.frame / 2, perpvec);

    for (int i = 0; i < 6; i++) {
        Math3D.RotatePointAroundVector(start_points[i], normalized_direction, perpvec,
                (360.0f / NUM_BEAM_SEGS) * i);

        Math3D.VectorAdd(start_points[i], origin, start_points[i]);
        Math3D.VectorAdd(start_points[i], direction, end_points[i]);
    }

    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDepthMask(false);

    float r = (d_8to24table[e.skinnum & 0xFF]) & 0xFF;
    float g = (d_8to24table[e.skinnum & 0xFF] >> 8) & 0xFF;
    float b = (d_8to24table[e.skinnum & 0xFF] >> 16) & 0xFF;

    r *= 1 / 255.0f;
    g *= 1 / 255.0f;
    b *= 1 / 255.0f;

    GL11.glColor4f(r, g, b, e.alpha);

    GL11.glBegin(GL11.GL_TRIANGLE_STRIP);

    float[] v;

    for (int i = 0; i < NUM_BEAM_SEGS; i++) {
        v = start_points[i];
        GL11.glVertex3f(v[0], v[1], v[2]);
        v = end_points[i];
        GL11.glVertex3f(v[0], v[1], v[2]);
        v = start_points[(i + 1) % NUM_BEAM_SEGS];
        GL11.glVertex3f(v[0], v[1], v[2]);
        v = end_points[(i + 1) % NUM_BEAM_SEGS];
        GL11.glVertex3f(v[0], v[1], v[2]);
    }
    GL11.glEnd();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDepthMask(true);
}

From source file:kuake2.render.lwjgl.Mesh.java

License:Open Source License

/**
 * GL_DrawAliasShadow/*from ww w  . j a v a  2 s .  c  o  m*/
 */
void GL_DrawAliasShadow(qfiles.dmdl_t paliashdr, int posenum) {
    float lheight = currententity.origin[2] - lightspot[2];
    // qfiles.daliasframe_t frame = paliashdr.aliasFrames[currententity.frame];
    int[] order = paliashdr.glCmds;
    float height = -lheight + 1.0f;

    int orderIndex = 0;
    int index = 0;

    // TODO shadow drawing with vertex arrays

    int count;
    while (true) {
        // get the vertex count and primitive type
        count = order[orderIndex++];
        if (count == 0)
            break; // done
        if (count < 0) {
            count = -count;
            GL11.glBegin(GL11.GL_TRIANGLE_FAN);
        } else
            GL11.glBegin(GL11.GL_TRIANGLE_STRIP);

        do {
            index = order[orderIndex + 2] * 3;
            point[0] = vertexArrayBuf.get(index);
            point[1] = vertexArrayBuf.get(index + 1);
            point[2] = vertexArrayBuf.get(index + 2);

            point[0] -= shadevector[0] * (point[2] + lheight);
            point[1] -= shadevector[1] * (point[2] + lheight);
            point[2] = height;
            GL11.glVertex3f(point[0], point[1], point[2]);

            orderIndex += 3;

        } while (--count != 0);

        GL11.glEnd();
    }
}

From source file:kuake2.render.lwjgl.Surf.java

License:Open Source License

/**
 * R_DrawTriangleOutlines//ww w .  ja va2  s . c  om
 */
void R_DrawTriangleOutlines() {
    if (gl_showtris.value == 0)
        return;

    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glColor4f(1, 1, 1, 1);

    msurface_t surf;
    glpoly_t p;
    int j;
    for (int i = 0; i < MAX_LIGHTMAPS; i++) {
        for (surf = gl_lms.lightmap_surfaces[i]; surf != null; surf = surf.lightmapchain) {
            for (p = surf.polys; p != null; p = p.chain) {
                for (j = 2; j < p.numverts; j++) {
                    GL11.glBegin(GL11.GL_LINE_STRIP);
                    GL11.glVertex3f(p.x(0), p.y(0), p.z(0));
                    GL11.glVertex3f(p.x(j - 1), p.y(j - 1), p.z(j - 1));
                    GL11.glVertex3f(p.x(j), p.y(j), p.z(j));
                    GL11.glVertex3f(p.x(0), p.y(0), p.z(0));
                    GL11.glEnd();
                }
            }
        }
    }

    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
}

From source file:kuake2.render.lwjgl.Warp.java

License:Open Source License

/**
 * EmitWaterPolys/*from w  w  w.  j a  va  2  s .c  om*/
 * Does a water warp on the pre-fragmented glpoly_t chain
 */
void EmitWaterPolys(msurface_t fa) {
    float rdt = r_newrefdef.time;

    float scroll;
    if ((fa.texinfo.flags & Defines.SURF_FLOWING) != 0)
        scroll = -64 * ((r_newrefdef.time * 0.5f) - (int) (r_newrefdef.time * 0.5f));
    else
        scroll = 0;

    int i;
    float s, t, os, ot;
    glpoly_t p, bp;
    for (bp = fa.polys; bp != null; bp = bp.next) {
        p = bp;

        GL11.glBegin(GL11.GL_TRIANGLE_FAN);
        for (i = 0; i < p.numverts; i++) {
            os = p.s1(i);
            ot = p.t1(i);

            s = os + Warp.SIN[(int) ((ot * 0.125f + r_newrefdef.time) * TURBSCALE) & 255];
            s += scroll;
            s *= (1.0f / 64);

            t = ot + Warp.SIN[(int) ((os * 0.125f + rdt) * TURBSCALE) & 255];
            t *= (1.0f / 64);

            GL11.glTexCoord2f(s, t);
            GL11.glVertex3f(p.x(i), p.y(i), p.z(i));
        }
        GL11.glEnd();
    }
}

From source file:kuake2.render.lwjgl.Warp.java

License:Open Source License

/**
 * R_DrawSkyBox/*www .j  a  v  a  2  s .  co m*/
 */
void R_DrawSkyBox() {
    int i;

    if (skyrotate != 0) { // check for no sky at all
        for (i = 0; i < 6; i++)
            if (skymins[0][i] < skymaxs[0][i] && skymins[1][i] < skymaxs[1][i])
                break;
        if (i == 6)
            return; // nothing visible
    }

    GL11.glPushMatrix();
    GL11.glTranslatef(r_origin[0], r_origin[1], r_origin[2]);
    GL11.glRotatef(r_newrefdef.time * skyrotate, skyaxis[0], skyaxis[1], skyaxis[2]);

    for (i = 0; i < 6; i++) {
        if (skyrotate != 0) { // hack, forces full sky to draw when rotating
            skymins[0][i] = -1;
            skymins[1][i] = -1;
            skymaxs[0][i] = 1;
            skymaxs[1][i] = 1;
        }

        if (skymins[0][i] >= skymaxs[0][i] || skymins[1][i] >= skymaxs[1][i])
            continue;

        GL_Bind(sky_images[skytexorder[i]].texnum);

        GL11.glBegin(GL11.GL_QUADS);
        MakeSkyVec(skymins[0][i], skymins[1][i], i);
        MakeSkyVec(skymins[0][i], skymaxs[1][i], i);
        MakeSkyVec(skymaxs[0][i], skymaxs[1][i], i);
        MakeSkyVec(skymaxs[0][i], skymins[1][i], i);
        GL11.glEnd();
    }
    GL11.glPopMatrix();
}

From source file:launcher.Main.java

private void drawWorld() {
    final int widthFit = (SCREEN_WIDTH / world.getBlockWidth()) + 1;
    final int heightFit = (SCREEN_HEIGHT / world.getBlockWidth()) + 1;

    final int cX = Math.min(widthFit, world.getSizeX());
    final int cY = Math.min(heightFit, world.getSizeY());//assuming the world is not a jagged grid...
    // Clear the screen and depth buffer

    Point playerPoint = world.getPlayerLocationInGrid(player);

    final int startX = playerPoint.getX() - (int) Math.floor(widthFit / 2);
    final int startY = playerPoint.getY() - (int) Math.floor(heightFit / 2);

    final int w = world.getBlockWidth();
    final int maxDamage = 500;
    final double damageProportion = w * 0.5 / maxDamage;
    for (int i = 0; i < cX + 1; i++) {
        for (int j = 0; j < cY + 1; j++) {
            Block block = world.getBlock(i + startX, j + startY);
            byte[] c = block.getColor();
            GL11.glColor3ub(c[0], c[1], c[2]);

            int left = i * w - (w / 2);
            int top = j * w - (w / 2);
            int right = left + w;
            int bottom = top + w;
            // draw quad block thing
            GL11.glBegin(GL11.GL_QUADS);
            {// ww  w  .j a va 2 s  .c o  m
                GL11.glVertex2f(left, top);
                GL11.glVertex2f(right, top);
                GL11.glVertex2f(right, bottom);
                GL11.glVertex2f(left, bottom);
            }
            GL11.glEnd();

            final int damage = block.getDamage();
            if (damage < maxDamage && !(block instanceof AirBlock)) {
                //wtf is dit?
                int tmp = (int) Math.ceil((maxDamage / (damage + 1)) * 0.1f) + 2;
                int centerX = (int) (left + w * 0.5);
                int centerY = (int) (top + w * 0.5);
                int visibleDamage = (int) Math.ceil(damage * damageProportion);
                //gray
                GL11.glColor3ub((byte) 80, (byte) 80, (byte) 80);

                GL11.glBegin(GL11.GL_QUADS);
                {
                    GL11.glVertex2f(left, top);
                    GL11.glVertex2f(left + tmp, top);
                    GL11.glVertex2f(centerX - visibleDamage, centerY - visibleDamage);
                    GL11.glVertex2f(left, top + tmp);
                }
                GL11.glEnd();

                GL11.glBegin(GL11.GL_QUADS);
                {
                    GL11.glVertex2f(right, top);
                    GL11.glVertex2f(right, top + tmp);
                    GL11.glVertex2f(centerX + visibleDamage, centerY - visibleDamage);
                    GL11.glVertex2f(right - tmp, top);
                }
                GL11.glEnd();

                GL11.glBegin(GL11.GL_QUADS);
                {
                    GL11.glVertex2f(right, bottom);
                    GL11.glVertex2f(right - tmp, bottom);
                    GL11.glVertex2f(centerX + visibleDamage, centerY + visibleDamage);
                    GL11.glVertex2f(right, bottom - tmp);
                }
                GL11.glEnd();

                GL11.glBegin(GL11.GL_QUADS);
                {
                    GL11.glVertex2f(left, bottom);
                    GL11.glVertex2f(left, bottom - tmp);
                    GL11.glVertex2f(centerX - visibleDamage, centerY + visibleDamage);
                    GL11.glVertex2f(left + tmp, bottom);
                }
                GL11.glEnd();
            }
        }
    }
}

From source file:launcher.Main.java

private void drawPlayer() {
    //orangered, why not?
    GL11.glColor3ub((byte) 255, (byte) 69, (byte) 0);

    final int w = player.getWidth() / 2;
    GL11.glBegin(GL11.GL_QUADS);//from  w  w w. j a v  a2  s  . c  o  m
    {
        GL11.glVertex2f(SCREEN_CENTER_X - w, SCREEN_CENTER_Y - w);
        GL11.glVertex2f(SCREEN_CENTER_X + w, SCREEN_CENTER_Y - w);
        GL11.glVertex2f(SCREEN_CENTER_X + w, SCREEN_CENTER_Y + w);
        GL11.glVertex2f(SCREEN_CENTER_X - w, SCREEN_CENTER_Y + w);
    }
    GL11.glEnd();

    //draw drill
    switch (player.getDirection()) {
    case IDLE:
        break;
    case LEFT:
        GL11.glBegin(GL11.GL_TRIANGLES); {
        GL11.glVertex2f(SCREEN_CENTER_X - w, SCREEN_CENTER_Y - w);
        GL11.glVertex2f(SCREEN_CENTER_X - w * 1.5f, SCREEN_CENTER_Y);
        GL11.glVertex2f(SCREEN_CENTER_X - w, SCREEN_CENTER_Y + w);
    }
        GL11.glEnd();
        break;
    case RIGHT:
        GL11.glBegin(GL11.GL_TRIANGLES); {
        GL11.glVertex2f(SCREEN_CENTER_X + w, SCREEN_CENTER_Y - w);
        GL11.glVertex2f(SCREEN_CENTER_X + w * 1.5f, SCREEN_CENTER_Y);
        GL11.glVertex2f(SCREEN_CENTER_X + w, SCREEN_CENTER_Y + w);
    }
        GL11.glEnd();
        break;
    case DOWN:
        GL11.glBegin(GL11.GL_TRIANGLES); {
        GL11.glVertex2f(SCREEN_CENTER_X - w, SCREEN_CENTER_Y + w);
        GL11.glVertex2f(SCREEN_CENTER_X, SCREEN_CENTER_Y + w * 1.5f);
        GL11.glVertex2f(SCREEN_CENTER_X + w, SCREEN_CENTER_Y + w);
    }
        GL11.glEnd();
        break;
    case UP:
        GL11.glBegin(GL11.GL_TRIANGLES); {
        GL11.glVertex2f(SCREEN_CENTER_X + w, SCREEN_CENTER_Y - w);
        GL11.glVertex2f(SCREEN_CENTER_X, SCREEN_CENTER_Y - w * 1.5f);
        GL11.glVertex2f(SCREEN_CENTER_X - w, SCREEN_CENTER_Y - w);
    }
        GL11.glEnd();
        break;
    default:
        break;
    }
}

From source file:lwjgl29.GlobalClass.Quad.java

@Override
public void draw() {
    GL11.glColor3f(this.r, this.g, this.b);
    GL11.glBegin(GL11.GL_POLYGON);// w  w  w  .  j  av  a  2 s  . c  om
    //position de dpart
    GL11.glVertex2f(this.x, this.y);
    //dessin des 3 cots
    GL11.glVertex2f(this.x + this.width, this.y);
    GL11.glVertex2f(this.x + this.width, this.y + this.height);
    GL11.glVertex2f(this.x, this.y + this.height);
    GL11.glEnd();
    this.move();
}