Reorganise and clean up client event handlers

2020-06-06 23:25:56 +01:00
parent 6df0d2dc6e
commit 1a094e1970
50 changed files with 625 additions and 443 deletions
@@ -0,0 +1,104 @@
+package electroblob.wizardry.client.renderer.overlay;
+
+import electroblob.wizardry.Wizardry;
+import electroblob.wizardry.client.WizardryClientEventHandler;
+import electroblob.wizardry.constants.Constants;
+import electroblob.wizardry.registry.Spells;
+import electroblob.wizardry.registry.WizardryPotions;
+import electroblob.wizardry.spell.Spell;
+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.entity.RenderManager;
+import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.item.EntityArmorStand;
+import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.client.event.RenderGameOverlayEvent;
+import net.minecraftforge.client.event.RenderLivingEvent;
+import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.relauncher.Side;
+import org.lwjgl.opengl.GL11;
+
+@EventBusSubscriber(Side.CLIENT)
+public class RenderSixthSense {
+
+	private static final ResourceLocation MARKER_TEXTURE = new ResourceLocation(Wizardry.MODID, "textures/gui/sixth_sense_marker.png");
+	private static final ResourceLocation SCREEN_OVERLAY_TEXTURE = new ResourceLocation(Wizardry.MODID, "textures/gui/sixth_sense_overlay.png");
+
+	@SubscribeEvent
+	public static void onRenderGameOverlayEvent(RenderGameOverlayEvent.Post event){
+
+		if(event.getType() == RenderGameOverlayEvent.ElementType.HELMET){
+
+			if(Minecraft.getMinecraft().player.isPotionActive(WizardryPotions.sixth_sense)){
+
+				OpenGlHelper.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ZERO);
+				GlStateManager.color(1, 1, 1, 1);
+				GlStateManager.disableAlpha();
+
+				WizardryClientEventHandler.renderScreenOverlay(event.getResolution(), SCREEN_OVERLAY_TEXTURE);
+
+				GlStateManager.enableAlpha();
+				GlStateManager.color(1, 1, 1, 1);
+			}
+		}
+	}
+
+	@SubscribeEvent
+	public static void onRenderLivingEvent(RenderLivingEvent.Post<EntityLivingBase> event){
+
+		Minecraft mc = Minecraft.getMinecraft();
+		RenderManager renderManager = event.getRenderer().getRenderManager();
+
+		if(mc.player.isPotionActive(WizardryPotions.sixth_sense) && !(event.getEntity() instanceof EntityArmorStand)
+				&& event.getEntity() != mc.player && mc.player.getActivePotionEffect(WizardryPotions.sixth_sense) != null
+				&& event.getEntity().getDistance(mc.player) < Spells.sixth_sense.getProperty(Spell.EFFECT_RADIUS).floatValue()
+				* (1 + mc.player.getActivePotionEffect(WizardryPotions.sixth_sense).getAmplifier() * Constants.RANGE_INCREASE_PER_LEVEL)){
+
+			Tessellator tessellator = Tessellator.getInstance();
+			BufferBuilder buffer = tessellator.getBuffer();
+
+			GlStateManager.pushMatrix();
+
+			GlStateManager.disableCull();
+			GlStateManager.enableBlend();
+			GlStateManager.disableLighting();
+			OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, 240f, 240f);
+			GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+			// Disabling depth test allows it to be seen through everything.
+			GlStateManager.disableDepth();
+
+			GlStateManager.translate(event.getX(), event.getY() + event.getEntity().height * 0.6, event.getZ());
+
+			// This counteracts the reverse rotation behaviour when in front f5 view.
+			// Fun fact: this is a bug with vanilla too! Look at a snowball in front f5 view, for example.
+			float yaw = mc.gameSettings.thirdPersonView == 2 ? renderManager.playerViewX : -renderManager.playerViewX;
+			GlStateManager.rotate(180 - renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
+			GlStateManager.rotate(yaw, 1.0F, 0.0F, 0.0F);
+
+			buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
+
+			mc.renderEngine.bindTexture(MARKER_TEXTURE);
+
+			buffer.pos(-0.6, 0.6, 0).tex(0, 0).endVertex();
+			buffer.pos(0.6, 0.6, 0).tex(1, 0).endVertex();
+			buffer.pos(0.6, -0.6, 0).tex(1, 1).endVertex();
+			buffer.pos(-0.6, -0.6, 0).tex(0, 1).endVertex();
+
+			tessellator.draw();
+
+			GlStateManager.enableCull();
+			GlStateManager.disableBlend();
+			GlStateManager.enableLighting();
+			GlStateManager.enableDepth();
+
+			GlStateManager.popMatrix();
+		}
+
+	}
+
+}