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package kr.syeyoung.dungeonsguide.utils;
import kr.syeyoung.dungeonsguide.dungeon.doorfinder.DungeonDoor;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.EntityPlayerSP;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.WorldRenderer;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
import net.minecraft.entity.Entity;
import net.minecraft.util.BlockPos;
import net.minecraft.util.Vec3;
import org.lwjgl.opengl.GL11;
import javax.vecmath.Vector3f;
import java.awt.*;
public class RenderUtils {
public static void renderDoor(DungeonDoor dungeonDoor, float partialTicks) {
Entity player = Minecraft.getMinecraft().thePlayer;
double playerX = player.prevPosX + (player.posX - player.prevPosX) * partialTicks;
double playerY = player.prevPosY + (player.posY - player.prevPosY) * partialTicks;
double playerZ = player.prevPosZ + (player.posZ - player.prevPosZ) * partialTicks;
//because of the way 3D rendering is done, all coordinates are relative to the camera. This "resets" the "0,0,0" position to the location that is (0,0,0) in the world.
GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
GL11.glPushMatrix();
GL11.glTranslated(-playerX, -playerY, -playerZ);
GL11.glDisable(GL11.GL_TEXTURE_2D);
GL11.glDisable(GL11.GL_CULL_FACE);
GlStateManager.enableAlpha();
if (dungeonDoor.isExist())
GL11.glColor4ub((byte)0,(byte)255,(byte)0, (byte)255);
else
GL11.glColor4ub((byte)255,(byte)0,(byte)0, (byte)255);
double x = dungeonDoor.getPosition().getX() + 0.5;
double y = dungeonDoor.getPosition().getY() -0.99;
double z = dungeonDoor.getPosition().getZ() + 0.5;
GL11.glBegin(GL11.GL_QUADS);
GL11.glVertex3d(x - 2.5, y, z - 2.5);
GL11.glVertex3d(x - 2.5, y, z + 2.5);
GL11.glVertex3d(x + 2.5, y, z + 2.5);
GL11.glVertex3d(x + 2.5, y, z - 2.5);
GL11.glEnd();
if (dungeonDoor.isExist()) {
GL11.glBegin(GL11.GL_QUADS);
GL11.glColor4ub((byte)0,(byte)0,(byte)255, (byte)255);
if (dungeonDoor.isZDir()) {
GL11.glVertex3d(x - 0.5, y + 0.1, z - 2.5);
GL11.glVertex3d(x - 0.5, y+ 0.1, z + 2.5);
GL11.glVertex3d(x + 0.5, y+ 0.1, z + 2.5);
GL11.glVertex3d(x + 0.5, y+ 0.1, z - 2.5);
} else {
GL11.glVertex3d(x - 2.5, y+ 0.1, z - 0.5);
GL11.glVertex3d(x - 2.5, y+ 0.1, z + 0.5);
GL11.glVertex3d(x + 2.5, y+ 0.1, z + 0.5);
GL11.glVertex3d(x + 2.5, y+ 0.1, z - 0.5);
}
GL11.glEnd();
} else {
GL11.glLineWidth(5);
GL11.glBegin(GL11.GL_LINE_LOOP);
GL11.glVertex3d(x - 2.5, y, z - 2.5);
GL11.glVertex3d(x + 2.5, y + 5, z - 2.5);
GL11.glVertex3d(x + 2.5, y, z + 2.5);
GL11.glVertex3d(x - 2.5, y + 5, z + 2.5);
GL11.glEnd();
GL11.glBegin(GL11.GL_LINE_LOOP);
GL11.glVertex3d(x - 2.5, y +5, z - 2.5);
GL11.glVertex3d(x + 2.5, y, z - 2.5);
GL11.glVertex3d(x + 2.5, y + 5, z + 2.5);
GL11.glVertex3d(x - 2.5, y, z + 2.5);
GL11.glEnd();
GL11.glLineWidth(1);
}
// GlStateManager.disableAlpha();
GlStateManager.disableBlend();
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glPopAttrib();
GL11.glPopMatrix();
}
public static void highlightBlock(BlockPos blockpos, Color c, float partialTicks) {
Entity viewing_from = Minecraft.getMinecraft().getRenderViewEntity();
double x_fix = viewing_from.lastTickPosX + ((viewing_from.posX - viewing_from.lastTickPosX) * partialTicks);
double y_fix = viewing_from.lastTickPosY + ((viewing_from.posY - viewing_from.lastTickPosY) * partialTicks);
double z_fix = viewing_from.lastTickPosZ + ((viewing_from.posZ - viewing_from.lastTickPosZ) * partialTicks);
GlStateManager.pushMatrix();
GlStateManager.pushAttrib();
GlStateManager.translate(-x_fix, -y_fix, -z_fix);
GlStateManager.disableLighting();
GlStateManager.enableBlend();
GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GlStateManager.disableTexture2D();
GL11.glDisable(GL11.GL_DEPTH_TEST);
GL11.glDepthMask(false);
GL11.glColor3ub((byte)c.getRed(), (byte)c.getGreen(), (byte)c.getBlue());
GL11.glTranslated(blockpos.getX(), blockpos.getY(), blockpos.getZ());
GL11.glBegin(GL11.GL_QUADS);
GL11.glVertex3d(0, 0, 0);
GL11.glVertex3d(0, 0, 1);
GL11.glVertex3d(0, 1, 1);
GL11.glVertex3d(0, 1, 0); // TOP LEFT / BOTTOM LEFT / TOP RIGHT/ BOTTOM RIGHT
GL11.glVertex3d(1, 0, 1);
GL11.glVertex3d(1, 0, 0);
GL11.glVertex3d(1, 1, 0);
GL11.glVertex3d(1, 1, 1);
GL11.glVertex3d(0, 1, 1);
GL11.glVertex3d(0, 0, 1);
GL11.glVertex3d(1, 0, 1);
GL11.glVertex3d(1, 1, 1); // TOP LEFT / BOTTOM LEFT / TOP RIGHT/ BOTTOM RIGHT
GL11.glVertex3d(0, 0, 0);
GL11.glVertex3d(0, 1, 0);
GL11.glVertex3d(1, 1, 0);
GL11.glVertex3d(1, 0, 0);
GL11.glVertex3d(0,1,0);
GL11.glVertex3d(0,1,1);
GL11.glVertex3d(1,1,1);
GL11.glVertex3d(1,1,0);
GL11.glVertex3d(0,0,1);
GL11.glVertex3d(0,0,0);
GL11.glVertex3d(1,0,0);
GL11.glVertex3d(1,0,1);
GL11.glEnd();
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glDepthMask(true);
GlStateManager.enableTexture2D();
GlStateManager.disableBlend();
GlStateManager.enableLighting();
GlStateManager.popMatrix();
GlStateManager.popAttrib();
//...
}
public static void drawTextAtWorld(String text, float x, float y, float z, int color, float scale, boolean increase, boolean renderBlackBox, float partialTicks) {
float lScale = scale;
RenderManager renderManager = Minecraft.getMinecraft().getRenderManager();
FontRenderer fontRenderer = Minecraft.getMinecraft().fontRendererObj;
Vector3f renderPos = getRenderPos(x, y, z, partialTicks);
if (increase) {
double distance = Math.sqrt(renderPos.x * renderPos.x + renderPos.y * renderPos.y + renderPos.z * renderPos.z);
double multiplier = distance / 120f; //mobs only render ~120 blocks away
lScale *= 0.45f * multiplier;
}
GL11.glColor4f(1f, 1f, 1f, 0.5f);
GL11.glPushMatrix();
GL11.glTranslatef(renderPos.x, renderPos.y, renderPos.z);
GL11.glRotatef(-renderManager.playerViewY, 0.0f, 1.0f, 0.0f);
GL11.glRotatef(renderManager.playerViewX, 1.0f, 0.0f, 0.0f);
GL11.glScalef(-lScale, -lScale, lScale);
GL11.glDisable(GL11.GL_LIGHTING);
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);
int textWidth = fontRenderer.getStringWidth(text);
Tessellator tessellator = Tessellator.getInstance();
WorldRenderer worldRenderer = tessellator.getWorldRenderer();
if (renderBlackBox) {
double j = textWidth / 2;
GlStateManager.disableTexture2D();
worldRenderer.begin(7, DefaultVertexFormats.POSITION_COLOR);
worldRenderer.pos((double)(-j - 1), (double)(-1), 0.0).color(0.0f, 0.0f, 0.0f, 0.25f).endVertex();
worldRenderer.pos((double)(-j - 1), (double)8, 0.0).color(0.0f, 0.0f, 0.0f, 0.25f).endVertex();
worldRenderer.pos((double)(j + 1), (double)8, 0.0).color(0.0f, 0.0f, 0.0f, 0.25f).endVertex();
worldRenderer.pos((double)(j + 1), (double)(-1), 0.0).color(0.0f, 0.0f, 0.0f, 0.25f).endVertex();
tessellator.draw();
GlStateManager.enableTexture2D();
}
fontRenderer.drawString(text, -textWidth / 2, 0, color);
GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
GL11.glDepthMask(true);
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glPopMatrix();
}
private static Vector3f getRenderPos(float x, float y, float z, float partialTicks) {
EntityPlayerSP sp = Minecraft.getMinecraft().thePlayer;
return new Vector3f(
x - (float) (sp.lastTickPosX + (sp.posX - sp.lastTickPosX) * partialTicks),
y - (float) (sp.lastTickPosY + (sp.posY - sp.lastTickPosY) * partialTicks),
z - (float) (sp.lastTickPosZ + (sp.posZ - sp.lastTickPosZ) * partialTicks)
);
}
}
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