下面列出了net.minecraft.util.Hand#OFF_HAND 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
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();
}
@Inject(method = "renderFirstPersonItem(Lnet/minecraft/client/network/AbstractClientPlayerEntity;FFLnet/minecraft/util/Hand;FLnet/minecraft/item/ItemStack;FLnet/minecraft/client/util/math/MatrixStack;Lnet/minecraft/client/render/VertexConsumerProvider;I)V", at = @At("HEAD"), cancellable = true)
private void dontRenderOffHandItem(AbstractClientPlayerEntity player, float tickDelta, float pitch, Hand hand, float f, ItemStack item, float equipProgress, MatrixStack matrixStack, VertexConsumerProvider vertexConsumerProvider, int i, CallbackInfo info) {
if(hand == Hand.OFF_HAND && player.getStackInHand(Hand.MAIN_HAND).getItem() instanceof ClubItem) {
info.cancel();
}
}
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 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;
}
IVertexBuilder builder;
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);
float beam2r = MiningProperties.getColor(stack, MiningProperties.COLOR_RED_INNER) / 255f;
float beam2g = MiningProperties.getColor(stack, MiningProperties.COLOR_GREEN_INNER) / 255f;
float beam2b =MiningProperties.getColor(stack, MiningProperties.COLOR_BLUE_INNER) / 255f;
Vec3d view = Minecraft.getInstance().gameRenderer.getActiveRenderInfo().getProjectedView();
IRenderTypeBuffer.Impl buffer = Minecraft.getInstance().getRenderTypeBuffers().getBufferSource();
MatrixStack matrix = event.getMatrixStack();
matrix.push();
matrix.translate(-view.getX(), -view.getY(), -view.getZ());
matrix.translate(from.x, from.y, from.z);
matrix.rotate(Vector3f.YP.rotationDegrees(MathHelper.lerp(ticks, -player.rotationYaw, -player.prevRotationYaw)));
matrix.rotate(Vector3f.XP.rotationDegrees(MathHelper.lerp(ticks, player.rotationPitch, player.prevRotationPitch)));
MatrixStack.Entry matrixstack$entry = matrix.getLast();
Matrix3f matrixNormal = matrixstack$entry.getNormal();
Matrix4f positionMatrix = matrixstack$entry.getMatrix();
//additive laser beam
builder = buffer.getBuffer(MyRenderType.LASER_MAIN_ADDITIVE);
drawBeam(xOffset, yOffset, zOffset, builder, positionMatrix, matrixNormal, additiveThickness, activeHand, distance, 0.5, 1, ticks, r,g,b,0.7f);
//main laser, colored part
builder = buffer.getBuffer(MyRenderType.LASER_MAIN_BEAM);
drawBeam(xOffset, yOffset, zOffset, builder, positionMatrix, matrixNormal, thickness, activeHand, distance, v, v + distance * 1.5, ticks, r,g,b,1f);
//core
builder = buffer.getBuffer(MyRenderType.LASER_MAIN_CORE);
drawBeam(xOffset, yOffset, zOffset, builder, positionMatrix, matrixNormal, thickness/2, activeHand, distance, v, v + distance * 1.5, ticks, beam2r,beam2g,beam2b,1f);
matrix.pop();
RenderSystem.disableDepthTest();
buffer.finish();
}
private static void drawBeam(double xOffset, double yOffset, double zOffset, IVertexBuilder builder, Matrix4f positionMatrix, Matrix3f matrixNormalIn, float thickness, Hand hand, double distance, double v1, double v2, float ticks, float r, float g, float b, float alpha) {
Vector3f vector3f = new Vector3f(0.0f, 1.0f, 0.0f);
vector3f.transform(matrixNormalIn);
ClientPlayerEntity player = Minecraft.getInstance().player;
// 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;
float startXOffset = -0.25f;
float startYOffset = -.115f;
float startZOffset = 0.65f + (1 - player.getFovModifier());
if (hand == Hand.OFF_HAND) {
startYOffset = -.120f;
startXOffset = 0.25f;
}
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 / 100000000);
startYOffset = startYOffset + (f / 100000000);
Vector4f vec1 = new Vector4f(startXOffset, -thickness + startYOffset, startZOffset, 1.0F);
vec1.transform(positionMatrix);
Vector4f vec2 = new Vector4f((float) xOffset, -thickness + (float) yOffset, (float) distance + (float) zOffset, 1.0F);
vec2.transform(positionMatrix);
Vector4f vec3 = new Vector4f((float) xOffset, thickness + (float) yOffset, (float) distance + (float) zOffset, 1.0F);
vec3.transform(positionMatrix);
Vector4f vec4 = new Vector4f(startXOffset, thickness + startYOffset, startZOffset, 1.0F);
vec4.transform(positionMatrix);
if (hand == Hand.MAIN_HAND) {
builder.addVertex(vec4.getX(), vec4.getY(), vec4.getZ(), r, g, b, alpha, 0, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec3.getX(), vec3.getY(), vec3.getZ(), r, g, b, alpha, 0, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec2.getX(), vec2.getY(), vec2.getZ(), r, g, b, alpha, 1, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec1.getX(), vec1.getY(), vec1.getZ(), r, g, b, alpha, 1, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
//Rendering a 2nd time to allow you to see both sides in multiplayer, shouldn't be necessary with culling disabled but here we are....
builder.addVertex(vec1.getX(), vec1.getY(), vec1.getZ(), r, g, b, alpha, 1, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec2.getX(), vec2.getY(), vec2.getZ(), r, g, b, alpha, 1, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec3.getX(), vec3.getY(), vec3.getZ(), r, g, b, alpha, 0, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec4.getX(), vec4.getY(), vec4.getZ(), r, g, b, alpha, 0, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
} else {
builder.addVertex(vec1.getX(), vec1.getY(), vec1.getZ(), r, g, b, alpha, 1, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec2.getX(), vec2.getY(), vec2.getZ(), r, g, b, alpha, 1, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec3.getX(), vec3.getY(), vec3.getZ(), r, g, b, alpha, 0, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec4.getX(), vec4.getY(), vec4.getZ(), r, g, b, alpha, 0, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
//Rendering a 2nd time to allow you to see both sides in multiplayer, shouldn't be necessary with culling disabled but here we are....
builder.addVertex(vec4.getX(), vec4.getY(), vec4.getZ(), r, g, b, alpha, 0, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec3.getX(), vec3.getY(), vec3.getZ(), r, g, b, alpha, 0, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec2.getX(), vec2.getY(), vec2.getZ(), r, g, b, alpha, 1, (float) v2, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
builder.addVertex(vec1.getX(), vec1.getY(), vec1.getZ(), r, g, b, alpha, 1, (float) v1, OverlayTexture.NO_OVERLAY, 15728880, vector3f.getX(), vector3f.getY(), vector3f.getZ());
}
}