electrodynamics/archive/java/resonantinduction/old/client/render/RenderHelper.java
2014-01-11 17:44:07 +08:00

64 lines
2.4 KiB
Java

package resonantinduction.old.client.render;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderManager;
import org.lwjgl.opengl.GL11;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
/** @author Briman0094 */
@SideOnly(Side.CLIENT)
public class RenderHelper
{
public static void renderFloatingText(String text, float x, float y, float z)
{
renderFloatingText(text, x, y, z, 0xFFFFFF);
}
/** Renders a floating text in a specific position. */
public static void renderFloatingText(String text, float x, float y, float z, int color)
{
RenderManager renderManager = RenderManager.instance;
FontRenderer fontRenderer = renderManager.getFontRenderer();
float scale = 0.027f;
GL11.glColor4f(1f, 1f, 1f, 0.5f);
GL11.glPushMatrix();
GL11.glTranslatef(x + 0.0F, y + 2.3F, z);
GL11.glNormal3f(0.0F, 1.0F, 0.0F);
GL11.glRotatef(-renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
GL11.glRotatef(renderManager.playerViewX, 1.0F, 0.0F, 0.0F);
GL11.glScalef(-scale, -scale, scale);
GL11.glDisable(GL11.GL_LIGHTING);
OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, 240, 240);
GL11.glDepthMask(false);
GL11.glDisable(GL11.GL_DEPTH_TEST);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
Tessellator tessellator = Tessellator.instance;
int yOffset = 0;
GL11.glDisable(GL11.GL_TEXTURE_2D);
tessellator.startDrawingQuads();
int stringMiddle = fontRenderer.getStringWidth(text) / 2;
tessellator.setColorRGBA_F(0.0F, 0.0F, 0.0F, 0.5F);
tessellator.addVertex((-stringMiddle - 1), (-1 + yOffset), 0.0D);
tessellator.addVertex((-stringMiddle - 1), (8 + yOffset), 0.0D);
tessellator.addVertex((stringMiddle + 1), (8 + yOffset), 0.0D);
tessellator.addVertex((stringMiddle + 1), (-1 + yOffset), 0.0D);
tessellator.draw();
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glColor4f(1f, 1f, 1f, 0.5f);
fontRenderer.drawString(text, -fontRenderer.getStringWidth(text) / 2, yOffset, color);
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glDepthMask(true);
fontRenderer.drawString(text, -fontRenderer.getStringWidth(text) / 2, yOffset, color);
GL11.glEnable(GL11.GL_LIGHTING);
GL11.glDisable(GL11.GL_BLEND);
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
GL11.glPopMatrix();
}
}