RenderEventHandlers.java

package speedytools.clientside.rendering;

import net.minecraft.client.entity.EntityPlayerSP;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.client.renderer.RenderGlobal;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraftforge.client.event.DrawBlockHighlightEvent;
import net.minecraftforge.client.event.RenderGameOverlayEvent;
import net.minecraftforge.client.event.RenderWorldLastEvent;
import speedytools.clientside.ClientSide;

/**
Contains the custom Forge Event Handlers related to Rendering
*/
public class RenderEventHandlers
{

  /**
   * Draw the custom crosshairs if reqd
   * Otherwise, cancel the event so that the normal selection box is drawn.
   * @param event
   */
  @SubscribeEvent
  public void renderOverlayPre(RenderGameOverlayEvent.Pre event) {
    if (!ClientSide.activeTool.toolIsActive()) {
      return;
    }

    if (event.type == RenderGameOverlayEvent.ElementType.CROSSHAIRS) {
      RenderGameOverlayCrosshairsEvent renderGameOverlayCrosshairsEvent = new RenderGameOverlayCrosshairsEvent(event);
      ClientSide.speedyToolRenderers.render(renderGameOverlayCrosshairsEvent, event.partialTicks);
      event.setCanceled(renderGameOverlayCrosshairsEvent.isCanceled());
    } else if (event.type == RenderGameOverlayEvent.ElementType.HOTBAR) {
      RenderGameOverlayHotbarEvent renderGameOverlayHotbarEvent = new RenderGameOverlayHotbarEvent(event);
      ClientSide.speedyToolRenderers.render(renderGameOverlayHotbarEvent, event.partialTicks);
      event.setCanceled(renderGameOverlayHotbarEvent.isCanceled());
    }


    return;
  }

  @SubscribeEvent
  public void blockHighlightDecider(DrawBlockHighlightEvent event)
  {
    if (ClientSide.activeTool.toolIsActive()) {
      event.setCanceled(true);
    }
    return;
  }


  /**
   * If a speedy tool is equipped, selects the appropriate blocks and stores the selection into SpeedyToolsMod.blockUnderCursor
   *    along with the substrate used by the tool (the block to be placed) which is the block in the hotbar immediately to the left of the tool
   * Also renders the selection over the top of the existing world
   *
   * @param event
   */
  @SubscribeEvent
  public void worldRender(RenderWorldLastEvent event)
  {
    RenderGlobal context = event.context;
    EntityPlayer player = (EntityPlayer)(Minecraft.getMinecraft().getRenderViewEntity());
    EntityPlayerSP entityPlayerSP = (EntityPlayerSP)player;

    float partialTick = event.partialTicks;

    ClientSide.activeTool.updateForThisFrame(player.getEntityWorld(), entityPlayerSP, partialTick);
    ClientSide.speedyToolRenderers.render(event, partialTick);
  }

}