package crazypants.enderio.gui;
import java.awt.Color;
import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher;
import net.minecraft.init.Blocks;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.IIcon;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraftforge.client.ForgeHooksClient;
import net.minecraftforge.common.util.ForgeDirection;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import org.lwjgl.opengl.GL14;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import crazypants.enderio.EnderIO;
import crazypants.enderio.machine.IIoConfigurable;
import crazypants.enderio.machine.IoMode;
import crazypants.enderio.machine.PacketIoMode;
import crazypants.enderio.network.PacketHandler;
import crazypants.enderio.teleport.TravelController;
import crazypants.render.BoundingBox;
import crazypants.render.ColorUtil;
import crazypants.render.RenderUtil;
import crazypants.util.BlockCoord;
import crazypants.util.IBlockAccessWrapper;
import crazypants.vecmath.Camera;
import crazypants.vecmath.Matrix4d;
import crazypants.vecmath.VecmathUtil;
import crazypants.vecmath.Vector3d;
import crazypants.vecmath.Vector4f;
import crazypants.vecmath.Vertex;
public class IoConfigRenderer {
protected static final RenderBlocks RB = new RenderBlocks();
private boolean dragging = false;
private float pitch = 0;
private float yaw =0;
private double distance;
private long initTime;
private Minecraft mc = Minecraft.getMinecraft();
private World world = mc.thePlayer.worldObj;
private final Vector3d origin = new Vector3d();
private final Vector3d eye = new Vector3d();
private final Camera camera = new Camera();
private final Matrix4d pitchRot = new Matrix4d();
private final Matrix4d yawRot = new Matrix4d();
public BlockCoord originBC;
private List<BlockCoord> configurables = new ArrayList<BlockCoord>();
private List<BlockCoord> neighbours = new ArrayList<BlockCoord>();
private SelectedFace selection;
private boolean renderNeighbours = true;
private boolean inNeigButBounds = false;
public IoConfigRenderer(IIoConfigurable configuarble) {
this(Collections.singletonList(configuarble.getLocation()));
}
public IoConfigRenderer(List<BlockCoord> configurables) {
this.configurables.addAll(configurables);
Vector3d c;
Vector3d size;
if(configurables.size() == 1) {
BlockCoord bc = configurables.get(0);
c = new Vector3d(bc.x + 0.5, bc.y + 0.5, bc.z + 0.5);
size = new Vector3d(1,1,1);
} else {
Vector3d min = new Vector3d(Double.MAX_VALUE,Double.MAX_VALUE,Double.MAX_VALUE);
Vector3d max = new Vector3d(-Double.MAX_VALUE,-Double.MAX_VALUE,-Double.MAX_VALUE);
for(BlockCoord bc : configurables) {
min.set(Math.min(bc.x, min.x),Math.min(bc.y, min.y),Math.min(bc.z, min.z));
max.set(Math.max(bc.x, max.x),Math.max(bc.y, max.y),Math.max(bc.z, max.z));
}
size = new Vector3d(max);
size.sub(min);
size.scale(0.5);
c = new Vector3d(min.x + size.x, min.y + size.y,min.z + size.z);
size.scale(2);
}
originBC = new BlockCoord((int) c.x, (int) c.y, (int) c.z);
origin.set(c);
pitchRot.setIdentity();
yawRot.setIdentity();
pitch = -mc.thePlayer.rotationPitch;
yaw = 180 - mc.thePlayer.rotationYaw;
distance = Math.max(Math.max(size.x, size.y), size.z) + 4;
for(BlockCoord bc : configurables) {
for(ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS) {
BlockCoord loc = bc.getLocation(dir);
if(!configurables.contains(loc)) {
neighbours.add(loc);
}
}
}
world = mc.thePlayer.worldObj;
RB.blockAccess = new InnerBA();
}
public void init() {
initTime = System.currentTimeMillis();
}
public SelectedFace getSelection() {
return selection;
}
public void handleMouseInput() {
if(Mouse.getEventButton() == 0) {
dragging = Mouse.getEventButtonState();
}
if(dragging) {
double dx = (Mouse.getEventDX() / (double) mc.displayWidth);
double dy = (Mouse.getEventDY() / (double) mc.displayHeight);
if(Keyboard.isKeyDown(Keyboard.KEY_LCONTROL) || Keyboard.isKeyDown(Keyboard.KEY_LSHIFT)) {
distance -= dy * 15;
} else {
yaw -= 4 * dx * 180;
pitch += 2 * dy * 180;
pitch = (float) VecmathUtil.clamp(pitch, -80, 80);
}
}
distance -= Mouse.getEventDWheel() * 0.01;
distance = VecmathUtil.clamp(distance, 0.01, 200);
long elapsed = System.currentTimeMillis() - initTime;
int x = Mouse.getEventX();
int y = Mouse.getEventY();
Vector3d start = new Vector3d();
Vector3d end = new Vector3d();
if(camera.getRayForPixel(x, y, start, end)) {
end.scale(distance * 2);
end.add(start);
updateSelection(start, end);
}
if(!Mouse.getEventButtonState() && camera.isValid() && elapsed > 500) {
if(Mouse.getEventButton() == 1) {
if(selection != null) {
selection.config.toggleIoModeForFace(selection.face);
PacketHandler.INSTANCE.sendToServer(new PacketIoMode(selection.config,selection.face));
}
} else if(Mouse.getEventButton() == 0 && inNeigButBounds) {
renderNeighbours = !renderNeighbours;
}
}
}
private void updateSelection(Vector3d start, Vector3d end) {
start.add(origin);
end.add(origin);
List<MovingObjectPosition> hits = new ArrayList<MovingObjectPosition>();
for (BlockCoord bc : configurables) {
Block block = world.getBlock(bc.x, bc.y, bc.z);
if(block != null) {
MovingObjectPosition hit = block.collisionRayTrace(world, bc.x, bc.y, bc.z, Vec3.createVectorHelper(start.x, start.y, start.z),
Vec3.createVectorHelper(end.x, end.y, end.z));
if(hit != null) {
hits.add(hit);
}
}
}
selection = null;
MovingObjectPosition hit = getClosestHit(Vec3.createVectorHelper(start.x, start.y, start.z), hits);
if(hit != null) {
TileEntity te = world.getTileEntity(hit.blockX, hit.blockY, hit.blockZ);
if(te instanceof IIoConfigurable) {
IIoConfigurable configuarble = (IIoConfigurable) te;
ForgeDirection face = ForgeDirection.getOrientation(hit.sideHit);
selection = new SelectedFace(configuarble, face);
}
}
}
public static MovingObjectPosition getClosestHit(Vec3 origin, Collection<MovingObjectPosition> candidates) {
double minLengthSquared = Double.POSITIVE_INFINITY;
MovingObjectPosition closest = null;
for (MovingObjectPosition hit : candidates) {
if(hit != null) {
double lengthSquared = hit.hitVec.squareDistanceTo(origin);
if(lengthSquared < minLengthSquared) {
minLengthSquared = lengthSquared;
closest = hit;
}
}
}
return closest;
}
public void drawScreen(int par1, int par2, float partialTick, Rectangle vp, Rectangle parentBounds) {
if(!updateCamera(partialTick, vp.x, vp.y, vp.width, vp.height)) {
return;
}
applyCamera(partialTick);
TravelController.instance.setSelectionEnabled(false);
renderScene();
TravelController.instance.setSelectionEnabled(true);
renderSelection();
renderOverlay(par1, par2);
}
private void renderSelection() {
if(selection == null) {
return;
}
BoundingBox bb = new BoundingBox(selection.config.getLocation());
IIcon icon = EnderIO.blockAlloySmelter.selectedFaceIcon;
List<Vertex> corners = bb.getCornersWithUvForFace(selection.face,icon.getMinU(),icon.getMaxU(),icon.getMinV(),icon.getMaxV());
GL11.glDisable(GL11.GL_DEPTH_TEST);
GL11.glDisable(GL11.GL_LIGHTING);
RenderUtil.bindBlockTexture();
GL11.glColor3f(1,1,1);
Tessellator.instance.startDrawingQuads();
Tessellator.instance.setColorOpaque_F(1, 1, 1);
Vector3d trans = new Vector3d((-origin.x) + eye.x, (-origin.y) + eye.y, (-origin.z) + eye.z);
Tessellator.instance.setTranslation(trans.x, trans.y, trans.z);
RenderUtil.addVerticesToTesselator(corners);
Tessellator.instance.draw();
Tessellator.instance.setTranslation(0,0,0);
}
private void renderOverlay(int mx, int my) {
Rectangle vp = camera.getViewport();
ScaledResolution scaledresolution = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
int vpx = vp.x / scaledresolution.getScaleFactor();
int vph = vp.height / scaledresolution.getScaleFactor();
int vpw = vp.width/ scaledresolution.getScaleFactor();
int vpy = (int)((float)(vp.y + vp.height - 4)/(float)scaledresolution.getScaleFactor());
GL11.glViewport(0, 0, mc.displayWidth, mc.displayHeight);
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glLoadIdentity();
GL11.glOrtho(0.0D, scaledresolution.getScaledWidth_double(), scaledresolution.getScaledHeight_double(), 0.0D, 1000.0D, 3000.0D);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glLoadIdentity();
GL11.glTranslatef(vpx, vpy, -2000.0F);
GL11.glDisable(GL11.GL_LIGHTING);
int x = vpw - 16;
int y = vph - 16;
mx -= vpx;
my -= vpy;
if(mx >= x && mx <= x + IconEIO.IO_WHATSIT.width &&
my >= y && my <= y + IconEIO.IO_WHATSIT.height) {
RenderUtil.renderQuad2D(x, y, 0, IconEIO.IO_WHATSIT.width, IconEIO.IO_WHATSIT.height, new Vector4f(0.4f,0.4f,0.4f,0.6f));
inNeigButBounds = true;
} else {
inNeigButBounds = false;
}
GL11.glColor3f(1, 1, 1);
IconEIO.IO_WHATSIT.renderIcon(x, y, true);
if(selection != null) {
IconEIO ioIcon = null;
// INPUT
IoMode mode = selection.config.getIoMode(selection.face);
if(mode == IoMode.PULL) {
ioIcon = IconEIO.INPUT_SMALL_INV;
} else if(mode == IoMode.PUSH) {
ioIcon = IconEIO.OUTPUT_SMALL_INV;
} else if(mode == IoMode.PUSH_PULL) {
ioIcon = IconEIO.INPUT_OUTPUT;
} else if(mode == IoMode.DISABLED) {
ioIcon = IconEIO.DISABLED;
}
y = vph - mc.fontRenderer.FONT_HEIGHT - 2;
mc.fontRenderer.drawString(getLabelForMode(mode), 4, y, ColorUtil.getRGB(Color.white));
if(ioIcon != null) {
int w = mc.fontRenderer.getStringWidth(mode.getLocalisedName());
double xd = (w - ioIcon.width)/2;
xd = Math.max(0, w);
xd /=2;
xd += 4;
xd /= scaledresolution.getScaleFactor();
ioIcon.renderIcon(xd, y - mc.fontRenderer.FONT_HEIGHT - 2,true);
}
}
}
protected String getLabelForMode(IoMode mode) {
return mode.getLocalisedName();
}
private void renderScene() {
GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
RenderHelper.disableStandardItemLighting();
mc.entityRenderer.disableLightmap(0);
RenderUtil.bindBlockTexture();
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glEnable(GL11.GL_ALPHA_TEST);
Vector3d trans = new Vector3d((-origin.x) + eye.x, (-origin.y) + eye.y, (-origin.z) + eye.z);
for (int pass = 0; pass < 1; pass++) {
setGlStateForPass(pass, false);
doWorldRenderPass(trans, configurables, pass);
if(renderNeighbours) {
setGlStateForPass(pass, true);
doWorldRenderPass(trans, neighbours, pass);
}
}
RenderHelper.enableStandardItemLighting();
GL11.glEnable(GL11.GL_LIGHTING);
TileEntityRendererDispatcher.instance.field_147558_l = origin.x - eye.x;
TileEntityRendererDispatcher.instance.field_147560_j = origin.y - eye.y;
TileEntityRendererDispatcher.instance.field_147561_k = origin.z - eye.z;
TileEntityRendererDispatcher.staticPlayerX = origin.x - eye.x;
TileEntityRendererDispatcher.staticPlayerY = origin.y - eye.y;
TileEntityRendererDispatcher.staticPlayerZ = origin.z - eye.z;
for (int pass = 0; pass < 2; pass++) {
setGlStateForPass(pass, false);
doTileEntityRenderPass(configurables, pass);
if(renderNeighbours) {
setGlStateForPass(pass, true);
doTileEntityRenderPass(neighbours, pass);
}
}
ForgeHooksClient.setRenderPass(-1);
setGlStateForPass(0, false);
}
private void doTileEntityRenderPass(List<BlockCoord> blocks, int pass) {
ForgeHooksClient.setRenderPass(pass);
for (BlockCoord bc : blocks) {
TileEntity tile = world.getTileEntity(bc.x, bc.y, bc.z);
if(tile != null) {
Vector3d at = new Vector3d(eye.x, eye.y, eye.z);
at.x += bc.x - origin.x;
at.y += bc.y - origin.y;
at.z += bc.z - origin.z;
TileEntityRendererDispatcher.instance.renderTileEntityAt(tile, at.x, at.y, at.z, 0);
}
}
}
private void doWorldRenderPass(Vector3d trans, List<BlockCoord> blocks, int pass) {
ForgeHooksClient.setRenderPass(pass);
Tessellator.instance.startDrawingQuads();
Tessellator.instance.setTranslation(trans.x, trans.y, trans.z);
Tessellator.instance.setBrightness(15 << 20 | 15 << 4);
for(BlockCoord bc : blocks) {
Block block = world.getBlock(bc.x, bc.y, bc.z);
if(block != null) {
if(block.canRenderInPass(pass)) {
RB.renderAllFaces = true;
RB.setRenderAllFaces(true);
RB.setRenderBounds(0, 0, 0, 1, 1, 1);
try {
RB.renderBlockByRenderType(block, bc.x, bc.y, bc.z);
} catch (Exception e) {
//Ignore, things might blow up in rendering due to the modified block access
//but this is about as good as we can do
}
}
}
}
Tessellator.instance.draw();
Tessellator.instance.setTranslation(0, 0, 0);
}
private void setGlStateForPass(int pass, boolean isNeighbour) {
GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
if(isNeighbour) {
float alpha = 0.8f;
if(pass == 0) {
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glEnable(GL11.GL_BLEND);
GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glBlendFunc(GL11.GL_CONSTANT_ALPHA, GL11.GL_CONSTANT_COLOR);
GL14.glBlendColor(1.0f, 1.0f, 1.0f, alpha);
GL11.glDepthMask(true);
} else {
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_CONSTANT_COLOR);
GL14.glBlendColor(1.0f, 1.0f, 1.0f, 0.8f);
GL14.glBlendColor(1.0f, 1.0f, 1.0f, alpha);
GL11.glDepthMask(false);
}
return;
}
if(pass == 0) {
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glDisable(GL11.GL_BLEND);
GL11.glDepthMask(true);
} else {
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glDepthMask(false);
}
}
private boolean updateCamera(float partialTick, int vpx, int vpy, int vpw, int vph) {
if(vpw <= 0 || vph <= 0) {
return false;
}
camera.setViewport(vpx, vpy, vpw, vph);
camera.setProjectionMatrixAsPerspective(30, 0.05, 50, vpw, vph);
eye.set(0, 0, distance);
pitchRot.makeRotationX(Math.toRadians(pitch));
yawRot.makeRotationY(Math.toRadians(yaw));
pitchRot.transform(eye);
yawRot.transform(eye);
camera.setViewMatrixAsLookAt(eye, RenderUtil.ZERO_V, RenderUtil.UP_V);
return camera.isValid();
}
private void applyCamera(float partialTick) {
Rectangle vp = camera.getViewport();
GL11.glViewport(vp.x, vp.y, vp.width, vp.height);
GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
GL11.glMatrixMode(GL11.GL_PROJECTION);
RenderUtil.loadMatrix(camera.getTransposeProjectionMatrix());
GL11.glMatrixMode(GL11.GL_MODELVIEW);
RenderUtil.loadMatrix(camera.getTransposeViewMatrix());
GL11.glTranslatef(-(float) eye.x, -(float) eye.y, -(float) eye.z);
}
public static class SelectedFace {
public IIoConfigurable config;
public ForgeDirection face;
public SelectedFace(IIoConfigurable config, ForgeDirection face) {
super();
this.config = config;
this.face = face;
}
@Override
public String toString() {
return "SelectedFace [config=" + config + ", face=" + face + "]";
}
}
private class InnerBA extends IBlockAccessWrapper {
InnerBA() {
super(world);
}
@Override
public boolean isSideSolid(int x, int y, int z, ForgeDirection side, boolean _default) {
return false;
}
@Override
public boolean isAirBlock(int var1, int var2, int var3) {
if(!configurables.contains(new BlockCoord(var1,var2,var3))) {
return false;
}
return super.isAirBlock(var1, var2, var3);
}
@Override
@SideOnly(Side.CLIENT)
public int getLightBrightnessForSkyBlocks(int var1, int var2, int var3, int var4) {
return 15 << 20 | 15 << 4;
}
@Override
public Block getBlock(int var1, int var2, int var3) {
if(!configurables.contains(new BlockCoord(var1,var2,var3))) {
return Blocks.air;
}
return super.getBlock(var1, var2, var3);
}
}
}