Java Code Examples for org.lwjgl.opengl.GL11#glDisableClientState()

public void draw2D(GeometryHandle geometry, TextureHandle texture, int primitive, int offset, int vertices, float x, float y, float z, float sx, float sy, float sz, AbstractColor color, float intensity) {
	if(lx != x || ly != y || lz != z || lsx != sx || lsy != sy || lsz != sz) {
		if(lsz != -1) GL11.glPopMatrix();
		GL11.glPushMatrix();
		if(x != 0 || y != 0 || z != 0) GL11.glTranslatef(x, y, z);
		if(sx != 1 || sy != 1 || sz != 1) GL11.glScalef(sx, sy, sz);
		lx = x; lsx = sx;
		ly = y; lsy = sy;
		lz = z; lsz = sz;
	}

	if(color != null) {
		float r = color.red*intensity;
		float g = color.green*intensity;
		float b = color.blue*intensity;
		float a = color.alpha;
		if(lr != r || lg != g || lb != b || la != a) GL11.glColor4f(lr=r, lg=g, lb=b, la=a);
	} else {
		if(lr != lg || lr != lb || lr != intensity || la != 1) GL11.glColor4f(intensity, intensity, intensity, 1);
		lr = lg = lb = intensity;
		la = 1;
	}

	bindTexture(texture);
	bindGeometry(geometry);
	EGeometryFormatType format = geometry.getFormat();

	if(format.getTexCoordPos() == -1) GL11.glDisableClientState(GL11.GL_TEXTURE_COORD_ARRAY);

	specifyFormat(format);
	GL11.glDrawArrays(primitive, offset * vertices, vertices);

	if(format.getTexCoordPos() == -1) GL11.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
}
 

protected void specifyFormat(EGeometryFormatType format) {
	if (format.getTexCoordPos() == -1) {
		if(tex_coord_on) GL11.glDisableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
		GL11.glVertexPointer(2, GL11.GL_FLOAT, 0, 0);
	} else {
		if(!tex_coord_on) GL11.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
		int stride = format.getBytesPerVertexSize();
		GL11.glVertexPointer(2, GL11.GL_FLOAT, stride, 0);
		GL11.glTexCoordPointer(2, GL11.GL_FLOAT, stride, format.getTexCoordPos());
	}

	tex_coord_on = format.getTexCoordPos() != -1;
}
 

public void drawTrianglesWithTextureColored(TextureHandle textureid, GeometryHandle shapeHandle, GeometryHandle colorHandle, int offset, int lines, int width, int stride, float x, float y) {
	bindTexture(textureid);
	int starti = offset < 0 ? (int)Math.ceil(-offset/(float)stride) : 0;

	if(lsz != -1) GL11.glPopMatrix();
	GL11.glPushMatrix();
	GL11.glTranslatef(x, y, -.1f);
	GL11.glScalef(1, 1, 0);
	GL11.glMultMatrixf(heightMatrix);

	if(!tex_coord_on) {
		GL11.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
		tex_coord_on = true;
	}

	bindGeometry(shapeHandle);
	GL11.glVertexPointer(3, GL11.GL_FLOAT, 5 * 4, 0);
	GL11.glTexCoordPointer(2, GL11.GL_FLOAT, 5 * 4, 3 * 4);

	bindGeometry(colorHandle);
	GL11.glColorPointer(4, GL11.GL_UNSIGNED_BYTE, 0, 0);

	GL11.glEnableClientState(GL11.GL_COLOR_ARRAY);
	for (int i = starti; i != lines; i++) {
		GL11.glDrawArrays(GL11.GL_TRIANGLES, (offset + stride * i) * 3, width * 3);
	}
	GL11.glDisableClientState(GL11.GL_COLOR_ARRAY);

	GL11.glPopMatrix();
	lsz = -1;
}
 

public static void renderVertexBuffer(VertexBuffer vertexBuffer) {
    // Check if optifine shaders are currently loaded.
    final boolean areOptifineShadersEnabled = GibsModelRegistry.isOptifineShadersEnabled();

    GlStateManager.pushMatrix();
    GlStateManager.resetColor();

    GlStateManager.glEnableClientState(GL11.GL_VERTEX_ARRAY);
    OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
    GlStateManager.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
    OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
    GlStateManager.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
    OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
    GlStateManager.glEnableClientState(GL11.GL_COLOR_ARRAY);

    // Extra OpenGL states that must be enabled when shaders are enabled.
    if (areOptifineShadersEnabled) {
        GL11.glEnableClientState(32885);
        GL20.glEnableVertexAttribArray(11);
        GL20.glEnableVertexAttribArray(12);
        GL20.glEnableVertexAttribArray(10);
    }

    GlStateManager.pushMatrix();
    vertexBuffer.bindBuffer();

    // Even more OpenGL states that must be enabled when shaders are enabled.
    if (areOptifineShadersEnabled) {
        int vertexSizeI = 14;
        GL11.glVertexPointer(3, 5126, 56, 0L);
        GL11.glColorPointer(4, 5121, 56, 12L);
        GL11.glTexCoordPointer(2, 5126, 56, 16L);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
        GL11.glTexCoordPointer(2, 5122, 56, 24L);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
        GL11.glNormalPointer(5120, 56, 28L);
        GL20.glVertexAttribPointer(11, 2, 5126, false, 56, 32L);
        GL20.glVertexAttribPointer(12, 4, 5122, false, 56, 40L);
        GL20.glVertexAttribPointer(10, 3, 5122, false, 56, 48L);
    } else {

        GlStateManager.glVertexPointer(3, 5126, 28, 0);
        GlStateManager.glColorPointer(4, 5121, 28, 12);
        GlStateManager.glTexCoordPointer(2, 5126, 28, 16);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.lightmapTexUnit);
        GlStateManager.glTexCoordPointer(2, 5122, 28, 24);
        OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
    }

    vertexBuffer.drawArrays(7);
    GlStateManager.popMatrix();
    vertexBuffer.unbindBuffer();
    GlStateManager.resetColor();

    for (VertexFormatElement vertexformatelement : DefaultVertexFormats.BLOCK.getElements()) {
        VertexFormatElement.EnumUsage vertexformatelement$enumusage = vertexformatelement
            .getUsage();
        int i = vertexformatelement.getIndex();

        switch (vertexformatelement$enumusage) {
            case POSITION:
                GlStateManager.glDisableClientState(32884);
                break;
            case UV:
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit + i);
                GlStateManager.glDisableClientState(32888);
                OpenGlHelper.setClientActiveTexture(OpenGlHelper.defaultTexUnit);
                break;
            case COLOR:
                GlStateManager.glDisableClientState(32886);
                GlStateManager.resetColor();
        }
    }

    OpenGlHelper.glBindBuffer(OpenGlHelper.GL_ARRAY_BUFFER, 0);

    // Finally disable some of those extra OpenGL states that were be enabled due to shaders.
    if (areOptifineShadersEnabled) {
        GL11.glDisableClientState(32885);
        GL20.glDisableVertexAttribArray(11);
        GL20.glDisableVertexAttribArray(12);
        GL20.glDisableVertexAttribArray(10);
    }

    GlStateManager.resetColor();
    GlStateManager.popMatrix();
}
 

private final void matchGLClientState(int gl_flag, boolean enable) {
	if (enable)
		GL11.glEnableClientState(gl_flag);
	else
		GL11.glDisableClientState(gl_flag);
}