Add guardian beam spell

2020-10-17 15:28:51 +01:00
parent 795bdcd427
commit 0dd26de905
9 changed files with 204 additions and 0 deletions
@@ -0,0 +1,78 @@
+package electroblob.wizardry.client.particle;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.client.renderer.OpenGlHelper;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.world.World;
+import org.lwjgl.opengl.GL11;
+
+public class ParticleGuardianBeam extends ParticleTargeted {
+
+	/** Half the width of the beam. */
+	private static final float THICKNESS = 0.15f;
+
+	private static final ResourceLocation TEXTURE = new ResourceLocation("minecraft:textures/entity/guardian_beam.png");
+
+	public ParticleGuardianBeam(World world, double x, double y, double z){
+		super(world, x, y, z); // Does't use TextureAtlasSprite
+		this.setRBGColorF(1, 1, 1);
+		this.setMaxAge(3);
+		this.particleScale = 1;
+	}
+
+	@Override
+	public int getFXLayer(){
+		return 3;
+	}
+
+	@Override
+	protected void draw(Tessellator tessellator, double length, float partialTicks){
+
+		float scale = this.particleScale;
+
+		BufferBuilder buffer = tessellator.getBuffer();
+
+		GlStateManager.disableLighting();
+		OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, 240f, 240f);
+
+		GlStateManager.pushMatrix();
+		// Enables texture tiling (Also used for guardian beam, beacon beam and ender crystal beam, amongst others)
+		GlStateManager.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
+		GlStateManager.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
+
+		GlStateManager.rotate(Minecraft.getMinecraft().player.ticksExisted + partialTicks, 0, 0, 1);
+
+		Minecraft.getMinecraft().renderEngine.bindTexture(TEXTURE);
+
+		buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR);
+
+		float t = THICKNESS * scale;
+		float v1 = 2 * (particleAge + partialTicks) / particleMaxAge;
+		float v2 = v1 + (float)length * 2; // Multiply by 2 to make it squished like it is in vanilla
+
+		buffer.pos(-t, 0, 0)   .tex(0,   v1)  .color(particleRed, particleGreen, particleBlue, 1).endVertex();
+		buffer.pos( t, 0, 0)   .tex(0.5, v1)  .color(particleRed, particleGreen, particleBlue, 1).endVertex();
+		buffer.pos( t, 0, length).tex(0.5, v2).color(particleRed, particleGreen, particleBlue, 1).endVertex();
+		buffer.pos(-t, 0, length).tex(0,   v2).color(particleRed, particleGreen, particleBlue, 1).endVertex();
+
+		buffer.pos(0, -t, 0)   .tex(0,   v1)  .color(particleRed, particleGreen, particleBlue, 1).endVertex();
+		buffer.pos(0,  t, 0)   .tex(0.5, v1)  .color(particleRed, particleGreen, particleBlue, 1).endVertex();
+		buffer.pos(0,  t, length).tex(0.5, v2).color(particleRed, particleGreen, particleBlue, 1).endVertex();
+		buffer.pos(0, -t, length).tex(0,   v2).color(particleRed, particleGreen, particleBlue, 1).endVertex();
+
+		tessellator.draw();
+
+//		GlStateManager.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
+//		GlStateManager.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
+
+		GlStateManager.popMatrix();
+
+		// Makes the rain go weird
+		//GlStateManager.enableLighting();
+	}
+
+}