package com.direwolf20.mininggadgets.client.renderer;
import com.direwolf20.mininggadgets.common.MiningGadgets;
import com.direwolf20.mininggadgets.common.items.gadget.MiningProperties;
import com.direwolf20.mininggadgets.common.items.upgrade.Upgrade;
import com.direwolf20.mininggadgets.common.items.upgrade.UpgradeTools;
import com.direwolf20.mininggadgets.common.items.MiningGadget;
import com.mojang.blaze3d.matrix.MatrixStack;
import com.mojang.blaze3d.systems.RenderSystem;
import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.player.ClientPlayerEntity;
import net.minecraft.client.renderer.BufferBuilder;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Hand;
import net.minecraft.util.HandSide;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.RayTraceResult;
import net.minecraft.util.math.Vec3d;
import net.minecraftforge.client.event.RenderWorldLastEvent;
import static org.lwjgl.opengl.GL11.*;
public class RenderMiningLaser {
private final static ResourceLocation laserBeam = new ResourceLocation(MiningGadgets.MOD_ID + ":textures/misc/laser.png");
private final static ResourceLocation laserBeam2 = new ResourceLocation(MiningGadgets.MOD_ID + ":textures/misc/laser2.png");
private final static ResourceLocation laserBeamGlow = new ResourceLocation(MiningGadgets.MOD_ID + ":textures/misc/laser_glow.png");
public static void renderLaser(RenderWorldLastEvent event, PlayerEntity player, float ticks) {
ItemStack stack = MiningGadget.getGadget(player);
if (!MiningProperties.getCanMine(stack))
return;
int range = MiningProperties.getBeamRange(stack);
Vec3d playerPos = player.getEyePosition(ticks);
RayTraceResult trace = player.pick(range, 0.0F, false);
// parse data from item
float speedModifier = getSpeedModifier(stack);
drawLasers(event, playerPos, trace, 0, 0, 0, MiningProperties.getColor(stack, MiningProperties.COLOR_RED) / 255f, MiningProperties.getColor(stack, MiningProperties.COLOR_GREEN) / 255f, MiningProperties.getColor(stack, MiningProperties.COLOR_BLUE) / 255f, 0.02f, player, ticks, speedModifier);
}
private static float getSpeedModifier(ItemStack stack) {
if (UpgradeTools.containsUpgrade(stack, Upgrade.EFFICIENCY_1)) {
double efficiency = UpgradeTools.getUpgradeFromGadget(stack, Upgrade.EFFICIENCY_1).get().getTier() / 5f;
double speedModifier = MathHelper.lerp(efficiency, 0.02, 0.05);
return (float) -speedModifier;
} else {
return -0.02f;
}
}
private static void drawLasers(RenderWorldLastEvent event, Vec3d from, RayTraceResult trace, double xOffset, double yOffset, double zOffset, float r, float g, float b, float thickness, PlayerEntity player, float ticks, float speedModifier) {
Hand activeHand;
if (player.getHeldItemMainhand().getItem() instanceof MiningGadget) {
activeHand = Hand.MAIN_HAND;
} else if (player.getHeldItemOffhand().getItem() instanceof MiningGadget) {
activeHand = Hand.OFF_HAND;
} else {
return;
}
ItemStack stack = player.getHeldItem(activeHand);
double distance = from.subtract(trace.getHitVec()).length();
long gameTime = player.world.getGameTime();
double v = gameTime * speedModifier;
float additiveThickness = (thickness * 3.5f) * calculateLaserFlickerModifier(gameTime);
BufferBuilder wr = Tessellator.getInstance().getBuffer();
Vec3d view = Minecraft.getInstance().gameRenderer.getActiveRenderInfo().getProjectedView();
MatrixStack matrix = event.getMatrixStack();
matrix.translate(view.getX(), view.getY(), view.getZ());
if( trace.getType() == RayTraceResult.Type.MISS )
matrix.translate(-from.x, -from.y, -from.z);
RenderSystem.pushMatrix();
RenderSystem.multMatrix(matrix.getLast().getMatrix());
RenderSystem.enableColorMaterial();
// This makes it so we don't clip into the world, we're effectively drawing on it
RenderSystem.disableDepthTest();
RenderSystem.enableBlend();
//This makes it so multiplayer doesn't matter which side the player is standing on to see someone elses laser
RenderSystem.disableCull();
RenderSystem.enableTexture();
RenderSystem.rotatef(MathHelper.lerp(ticks, -player.rotationYaw, -player.prevRotationYaw), 0, 1, 0);
RenderSystem.rotatef(MathHelper.lerp(ticks, player.rotationPitch, player.prevRotationPitch), 1, 0, 0);
// additive laser beam
RenderSystem.blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
RenderSystem.color4f(r, g, b, 0.7f);
Minecraft.getInstance().getTextureManager().bindTexture(laserBeamGlow);
drawBeam(xOffset, yOffset, zOffset, additiveThickness, activeHand, distance, wr, 0.5, 1, ticks);
// main laser, colored part
RenderSystem.blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
RenderSystem.color4f(r, g, b, 1.0f);
Minecraft.getInstance().getTextureManager().bindTexture(laserBeam2);
drawBeam(xOffset, yOffset, zOffset, thickness, activeHand, distance, wr, v, v + distance * 1.5, ticks);
// white core
RenderSystem.color4f(MiningProperties.getColor(stack, MiningProperties.COLOR_RED_INNER) / 255f, MiningProperties.getColor(stack, MiningProperties.COLOR_GREEN_INNER) / 255f, MiningProperties.getColor(stack, MiningProperties.COLOR_BLUE_INNER) / 255f, 1.0f);
Minecraft.getInstance().getTextureManager().bindTexture(laserBeam);
drawBeam(xOffset, yOffset, zOffset, thickness / 2, activeHand, distance, wr, v, v + distance * 1.5, ticks);
RenderSystem.enableDepthTest();
RenderSystem.enableCull();
RenderSystem.popMatrix();
}
private static float calculateLaserFlickerModifier(long gameTime) {
return 0.9f + 0.1f * MathHelper.sin(gameTime * 0.99f) * MathHelper.sin(gameTime * 0.3f) * MathHelper.sin(gameTime * 0.1f);
}
private static void drawBeam(double xOffset, double yOffset, double zOffset, float thickness, Hand hand, double distance, BufferBuilder wr, double v1, double v2, float ticks) {
ClientPlayerEntity player = Minecraft.getInstance().player;
float startXOffset = -0.25f;
float startYOffset = -.115f;
float startZOffset = 0.65f + (1 - player.getFovModifier());
float f = (MathHelper.lerp(ticks, player.prevRotationPitch, player.rotationPitch) - MathHelper.lerp(ticks, player.prevRenderArmPitch, player.renderArmPitch));
float f1 = (MathHelper.lerp(ticks, player.prevRotationYaw, player.rotationYaw) - MathHelper.lerp(ticks, player.prevRenderArmYaw, player.renderArmYaw));
startXOffset = startXOffset + (f1 / 1000);
startYOffset = startYOffset + (f / 1000);
// Support for hand sides remembering to take into account of Skin options
if( Minecraft.getInstance().gameSettings.mainHand != HandSide.RIGHT )
hand = hand == Hand.MAIN_HAND ? Hand.OFF_HAND : Hand.MAIN_HAND;
wr.begin(GL_QUADS, DefaultVertexFormats.POSITION_TEX);
if (hand == Hand.MAIN_HAND) {
wr.pos(startXOffset, -thickness + startYOffset, startZOffset).tex(1, (float) v1).endVertex();
wr.pos(xOffset, -thickness + yOffset, distance + zOffset).tex(1, (float) v2).endVertex();
wr.pos(xOffset, thickness + yOffset, distance + zOffset).tex(0, (float) v2).endVertex();
wr.pos(startXOffset, thickness + startYOffset, startZOffset).tex(0, (float) v1).endVertex();
} else {
startYOffset = -.120f;
wr.pos(-startXOffset, thickness + startYOffset, startZOffset).tex(0, (float) v1).endVertex();
wr.pos(xOffset, thickness + yOffset, distance + zOffset).tex(0, (float) v2).endVertex();
wr.pos(xOffset, -thickness + yOffset, distance + zOffset).tex(1, (float) v2).endVertex();
wr.pos(-startXOffset, -thickness + startYOffset, startZOffset).tex(1, (float) v1).endVertex();
}
Tessellator.getInstance().draw();
}
}
