Example usage for org.lwjgl.opengl GL11 glBlendFunc

Introduction

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

Prototype

public static void glBlendFunc(@NativeType("GLenum") int sfactor, @NativeType("GLenum") int dfactor) 

Source Link

Document

Specifies the weighting factors used by the blend equation, for both RGB and alpha functions and for all draw buffers.

Usage

From source file:com.kegare.caveworld.client.renderer.RenderCaveman.java

License:Minecraft Mod Public

@Override
public void doRender(Entity entity, double par2, double par3, double par4, float par5, float par6) {
    super.doRender(entity, par2, par3, par4, par5, par6);

    if (Config.cavemanShowHealthBar && entity instanceof EntityCaveman) {
        Minecraft mc = FMLClientHandler.instance().getClient();
        EntityPlayer player = mc.thePlayer;
        EntityCaveman living = (EntityCaveman) entity;

        if (living.isTamed()
                && player.getGameProfile().getId().toString()
                        .equals(Strings.nullToEmpty(living.func_152113_b()))
                && living.getEntitySenses().canSee(player) && living.getDistanceToEntity(player) <= 3.5F
                && mc.objectMouseOver.typeOfHit == MovingObjectType.ENTITY
                && mc.objectMouseOver.entityHit == living) {
            float scale = 0.01666667F * 1.5F;
            int width = 15;
            double top = 5.0D;
            double under = top + 2.0D;

            GL11.glPushMatrix();/*from   w w  w . ja  va2 s  . c o m*/
            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
            GL11.glTranslatef((float) par2, (float) par3 + 2.3F, (float) par4);
            GL11.glNormal3f(0.0F, 1.0F, 0.0F);
            GL11.glRotatef(-RenderManager.instance.playerViewY, 0.0F, 1.0F, 0.0F);
            GL11.glRotatef(RenderManager.instance.playerViewX, 1.0F, 0.0F, 0.0F);
            GL11.glScalef(-scale, -scale, scale);
            GL11.glDisable(GL11.GL_LIGHTING);
            GL11.glTranslatef(0.0F, (living.isSittingAndStopped() ? 0.6F : 0.12F) / scale, 0.0F);
            GL11.glDepthMask(false);
            GL11.glEnable(GL11.GL_BLEND);
            GL11.glBlendFunc(770, 771);

            int x = living.getBrightnessForRender((float) par2);
            int y = x % 65536;
            int z = x / 65536;

            OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, y / 1.0F, z / 1.0F);
            Tessellator tessellator = Tessellator.instance;
            GL11.glDisable(GL11.GL_TEXTURE_2D);
            tessellator.startDrawingQuads();
            tessellator.setColorRGBA_I(0, 115);
            tessellator.addVertex(-width - 1, top - 0.5D, 0.0D);
            tessellator.addVertex(-width - 1, under + 0.5D, 0.0D);
            tessellator.addVertex(width + 1, under + 0.5D, 0.0D);
            tessellator.addVertex(width + 1, top - 0.5D, 0.0D);
            tessellator.draw();
            GL11.glEnable(GL11.GL_TEXTURE_2D);
            GL11.glDisable(GL11.GL_BLEND);
            GL11.glDepthMask(true);

            Tessellator tessellator1 = Tessellator.instance;
            GL11.glDisable(GL11.GL_TEXTURE_2D);
            float max = living.getMaxHealth();
            int health = (int) (2.0D * width * living.getHealth() / max);

            if (renderHealth < 0.0D) {
                renderHealth = health;
            } else {
                double dh = renderHealth - health;
                double distance = Math.abs(Math.sqrt(dh * dh));

                if ((int) renderHealth < health) {
                    if (distance > 10.0D) {
                        renderHealth += 0.35D;
                    } else if (distance < 1.5D) {
                        renderHealth += 0.01D;
                    } else {
                        renderHealth += 0.1D;
                    }
                } else if ((int) renderHealth > health) {
                    if (distance > 10.0D) {
                        renderHealth -= 0.35D;
                    } else if (distance < 1.5D) {
                        renderHealth -= 0.01D;
                    } else {
                        renderHealth -= 0.1D;
                    }
                }
            }

            int color = Color.GREEN.getRGB();

            if (renderHealth < max / 4) {
                color = Color.RED.getRGB();
            } else if (renderHealth < max / 2) {
                color = Color.YELLOW.getRGB();
            }

            tessellator1.startDrawingQuads();
            tessellator1.setColorRGBA_I(color, 145);
            tessellator1.addVertex(-width, top, 0.0D);
            tessellator1.addVertex(-width, under, 0.0D);
            tessellator1.addVertex(-width + renderHealth, under, 0.0D);
            tessellator1.addVertex(-width + renderHealth, top, 0.0D);
            tessellator1.draw();
            GL11.glEnable(GL11.GL_TEXTURE_2D);

            GL11.glDisable(GL11.GL_BLEND);
            GL11.glEnable(GL11.GL_LIGHTING);
            GL11.glPopMatrix();
        } else {
            renderHealth = -1.0D;
        }
    }
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Basic quad/* w  ww  .j  av  a 2s  .co m*/
 * 
 * @param g
 * @param h
 * @param i
 * @param j
 * @param col1
 */
public static void drawRect(float g, float h, float i, float j, int col1) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2d(i, h);
    GL11.glVertex2d(g, h);
    GL11.glVertex2d(g, j);
    GL11.glVertex2d(i, j);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Gradient quad/*  w w  w .  ja  v  a2 s  .c o  m*/
 * 
 * @param x
 * @param y
 * @param x2
 * @param y2
 * @param col1
 * @param col2
 */
public static void drawGradientRect(int x, int y, int x2, int y2, int col1, int col2) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    float f4 = ((col2 >> 24) & 0xFF) / 255F;
    float f5 = ((col2 >> 16) & 0xFF) / 255F;
    float f6 = ((col2 >> 8) & 0xFF) / 255F;
    float f7 = (col2 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_SMOOTH);

    GL11.glPushMatrix();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);

    GL11.glColor4f(f5, f6, f7, f4);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_FLAT);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Sideways gradient quad//from ww w .j  ava 2  s  . co m
 * 
 * @param x
 * @param y
 * @param x2
 * @param y2
 * @param col1
 * @param col2
 */
public static void drawSideGradientRect(float x, float y, float x2, float y2, int col1, int col2) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    float f4 = ((col2 >> 24) & 0xFF) / 255F;
    float f5 = ((col2 >> 16) & 0xFF) / 255F;
    float f6 = ((col2 >> 8) & 0xFF) / 255F;
    float f7 = (col2 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_SMOOTH);

    GL11.glPushMatrix();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glVertex2d(x2, y);

    GL11.glColor4f(f5, f6, f7, f4);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);

    GL11.glColor4f(f1, f2, f3, f);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_FLAT);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Bordered quad// w w w  . j a  v a  2s . c  om
 * 
 * @param x
 * @param y
 * @param x2
 * @param y2
 * @param l1
 * @param col1
 * @param col2
 */
public static void drawBorderedRect(int x, int y, int x2, int y2, float l1, int col1, int col2) {
    drawRect(x, y, x2, y2, col2);

    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Border of a quad/*w w w. j  a  va 2  s . co m*/
 * 
 * @param x
 * @param y
 * @param x2
 * @param y2
 * @param l1
 * @param col1
 */
public static void drawHollowBorderedRect(int x, int y, int x2, int y2, float l1, int col1) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Gradient rect with a border/*  w  w  w.  j a  v a  2s  .c  om*/
 * 
 * @param x
 * @param y
 * @param x2
 * @param y2
 * @param l1
 * @param col1
 * @param col2
 * @param col3
 */
public static void drawGradientBorderedRect(int x, int y, int x2, int y2, float l1, int col1, int col2,
        int col3) {
    drawGradientRect(x, y, x2, y2, col2, col3);

    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Vertical line/*from   w  w w  . j a  va 2  s .  c o m*/
 * 
 * @param x
 * @param y
 * @param y2
 * @param l1
 * @param col1
 */
public static void drawVerticalLine(int x, int y, int y2, float l1, int col1) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Horizontal line//from  w w w. ja v a2  s . com
 * 
 * @param x
 * @param x2
 * @param y
 * @param l1
 * @param col1
 */
public static void drawHorizontalLine(int x, int x2, int y, float l1, int col1) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x2, y);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Diagonal line?/* w ww  .  j  a  v  a 2 s. c  o m*/
 * 
 * @param x
 * @param x2
 * @param y
 * @param l1
 * @param col1
 */
public static void drawDiagonalLine(int x, int x2, int y, float l1, int col1) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(y, x2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

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