/** Renders the skybox in the main menu */
private void renderSkybox(int par1, int par2, float par3) {
GL11.glViewport(0, 0, 256, 256);
drawPanorama(par1, par2, par3);
GL11.glDisable(GL11.GL_TEXTURE_2D);
GL11.glEnable(GL11.GL_TEXTURE_2D);
rotateAndBlurSkybox(par3);
rotateAndBlurSkybox(par3);
rotateAndBlurSkybox(par3);
rotateAndBlurSkybox(par3);
rotateAndBlurSkybox(par3);
rotateAndBlurSkybox(par3);
rotateAndBlurSkybox(par3);
rotateAndBlurSkybox(par3);
GL11.glViewport(0, 0, mc.displayWidth, mc.displayHeight);
Tessellator tessellator = Tessellator.instance;
tessellator.startDrawingQuads();
float f = width <= height ? 120F / (float) height : 120F / (float) width;
float f1 = ((float) height * f) / 256F;
float f2 = ((float) width * f) / 256F;
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
tessellator.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F);
int i = width;
int j = height;
tessellator.addVertexWithUV(0.0D, j, zLevel, 0.5F - f1, 0.5F + f2);
tessellator.addVertexWithUV(i, j, zLevel, 0.5F - f1, 0.5F - f2);
tessellator.addVertexWithUV(i, 0.0D, zLevel, 0.5F + f1, 0.5F - f2);
tessellator.addVertexWithUV(0.0D, 0.0D, zLevel, 0.5F + f1, 0.5F + f2);
tessellator.draw();
}
/** Rotate and blurs the skybox view in the main menu */
private void rotateAndBlurSkybox(float par1) {
mc.func_110434_K().func_110577_a(field_110351_G);
GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glColorMask(true, true, true, false);
Tessellator tessellator = Tessellator.instance;
tessellator.startDrawingQuads();
byte byte0 = 3;
for (int i = 0; i < byte0; i++) {
tessellator.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F / (float) (i + 1));
int j = width;
int k = height;
float f = (float) (i - byte0 / 2) / 256F;
tessellator.addVertexWithUV(j, k, zLevel, 0.0F + f, 0.0D);
tessellator.addVertexWithUV(j, 0.0D, zLevel, 1.0F + f, 0.0D);
tessellator.addVertexWithUV(0.0D, 0.0D, zLevel, 1.0F + f, 1.0D);
tessellator.addVertexWithUV(0.0D, k, zLevel, 0.0F + f, 1.0D);
}
tessellator.draw();
GL11.glColorMask(true, true, true, true);
}
/** Draws the main menu panorama */
private void drawPanorama(int par1, int par2, float par3) {
Tessellator tessellator = Tessellator.instance;
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glPushMatrix();
GL11.glLoadIdentity();
Project.gluPerspective(120F, 1.0F, 0.05F, 10F);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glPushMatrix();
GL11.glLoadIdentity();
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
GL11.glRotatef(180F, 1.0F, 0.0F, 0.0F);
GL11.glEnable(GL11.GL_BLEND);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glDisable(GL11.GL_CULL_FACE);
GL11.glDepthMask(false);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
int i = 8;
for (int j = 0; j < i * i; j++) {
GL11.glPushMatrix();
float f = ((float) (j % i) / (float) i - 0.5F) / 64F;
float f1 = ((float) (j / i) / (float) i - 0.5F) / 64F;
float f2 = 0.0F;
GL11.glTranslatef(f, f1, f2);
GL11.glRotatef(
MathHelper.sin(((float) panoramaTimer + par3) / 400F) * 25F + 20F, 1.0F, 0.0F, 0.0F);
GL11.glRotatef(-((float) panoramaTimer + par3) * 0.1F, 0.0F, 1.0F, 0.0F);
for (int k = 0; k < 6; k++) {
GL11.glPushMatrix();
if (k == 1) {
GL11.glRotatef(90F, 0.0F, 1.0F, 0.0F);
}
if (k == 2) {
GL11.glRotatef(180F, 0.0F, 1.0F, 0.0F);
}
if (k == 3) {
GL11.glRotatef(-90F, 0.0F, 1.0F, 0.0F);
}
if (k == 4) {
GL11.glRotatef(90F, 1.0F, 0.0F, 0.0F);
}
if (k == 5) {
GL11.glRotatef(-90F, 1.0F, 0.0F, 0.0F);
}
mc.func_110434_K().func_110577_a(titlePanoramaPaths[k]);
tessellator.startDrawingQuads();
tessellator.setColorRGBA_I(0xffffff, 255 / (j + 1));
float f3 = 0.0F;
tessellator.addVertexWithUV(-1D, -1D, 1.0D, 0.0F + f3, 0.0F + f3);
tessellator.addVertexWithUV(1.0D, -1D, 1.0D, 1.0F - f3, 0.0F + f3);
tessellator.addVertexWithUV(1.0D, 1.0D, 1.0D, 1.0F - f3, 1.0F - f3);
tessellator.addVertexWithUV(-1D, 1.0D, 1.0D, 0.0F + f3, 1.0F - f3);
tessellator.draw();
GL11.glPopMatrix();
}
GL11.glPopMatrix();
GL11.glColorMask(true, true, true, false);
}
tessellator.setTranslation(0.0D, 0.0D, 0.0D);
GL11.glColorMask(true, true, true, true);
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glPopMatrix();
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glPopMatrix();
GL11.glDepthMask(true);
GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glEnable(GL11.GL_DEPTH_TEST);
}