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package ihl.explosion;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL30;
import org.lwjgl.util.glu.GLU;
import ihl.IHLMod;
import ihl.utils.IHLItemRenderer;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.IIcon;
public class PileTileEntityRender extends TileEntitySpecialRenderer {
private int fb = -1;
private final int textureWidth = 64;
private final int textureHeight = 64;
private final PileBlockRender pileBlockRender;
public final Map<Long, Integer> subIconIdMap = new HashMap<Long, Integer>();
private int nextAvailableId = -1;
private boolean framebufferReady = false;
private Minecraft mc;
private final IHLItemRenderer ihlItemRenderer = new IHLItemRenderer(false);
private final Random random = new Random();
public PileTileEntityRender(PileBlockRender pileBlockRender1) {
pileBlockRender = pileBlockRender1;
mc = Minecraft.getMinecraft();
}
public void renderAModelAt(PileTileEntity tile, double x, double y, double z, float f) {
ItemStack stack = tile.content;
if (!framebufferReady) {
this.generateFrameBuffer();
Minecraft.getMinecraft().entityRenderer.setupCameraTransform(f, 0);
Minecraft.getMinecraft().getFramebuffer().bindFramebuffer(false);
} else if (stack != null) {
long hash = this.pileBlockRender.getItemStackHash(stack);
if (!subIconIdMap.containsKey(hash)) {
subIconIdMap.put(hash, ++nextAvailableId);
this.preparetexture();
this.drawTexture(tile, nextAvailableId);
Minecraft.getMinecraft().entityRenderer.setupCameraTransform(f, 0);
Minecraft.getMinecraft().getFramebuffer().bindFramebuffer(false);
tile.updateBlockRender();
}
}
}
private void generateFrameBuffer() {
fb = GL30.glGenFramebuffers();
this.preparetexture();
if (GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER) != GL30.GL_FRAMEBUFFER_COMPLETE) {
IHLMod.log.error("Something went wrong while creating frame buffer!");
IHLMod.log.error(GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER));
} else {
IHLMod.log.info("FrameBuffer loaded correctly!");
}
this.framebufferReady = true;
}
private void preparetexture() {
GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fb);
int texture = Minecraft.getMinecraft().renderEngine.getTexture(TextureMap.locationBlocksTexture)
.getGlTextureId();
GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, texture, 0);
}
private void drawTexture(PileTileEntity tile, int subIconId) {
IIcon picon = PileBlock.instance.getIcon(0, 0);
float minu = picon.getMinU();
float minv = picon.getMinV();
float maxu = picon.getMaxU();
float maxv = picon.getMaxV();
int iconwidth = picon.getIconWidth();
int iconheight = picon.getIconHeight();
float du = maxu - minu;
float dv = maxv - minv;
int iconNumU = picon.getIconWidth()/this.textureWidth;
int posu = (int) (minu * iconwidth / du) + subIconId % iconNumU * textureWidth;
int posv = (int) (minv * iconheight / dv) + subIconId / iconNumU * textureHeight;
GL11.glViewport(posu, posv, textureWidth, textureHeight);
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glLoadIdentity();
GL11.glOrtho(-1d, 1d, -1d, 1d, 0.05F, this.mc.gameSettings.renderDistanceChunks * 32F);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glLoadIdentity();
ItemStack stack = tile.content;
GL11.glTranslatef(0, 0, -1f);
GLU.gluLookAt(0, 0, 0, -32f/* x reference */, 0f/* y reference */, 0f/* z reference */, 0.0f, 1.0f, 0.0f);
GL11.glColor4f(1f, 1f, 1f, 1f);
GL11.glRotatef(90f, 0, 1f, 0);
GL11.glScalef(2f, 2f, 2f);
OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, 0xf0, 0xf0);
if (stack.getItem() instanceof ItemBlock) {
Block block = ((ItemBlock) stack.getItem()).field_150939_a;
IIcon icon = block.getIcon(0, stack.getItemDamage());
double u1 = (double) icon.getInterpolatedU(0D);
double u2 = (double) icon.getInterpolatedU(16.0D);
double v1 = (double) icon.getInterpolatedV(0D);
double v2 = (double) icon.getInterpolatedV(16.0D);
Tessellator tessellator = Tessellator.instance;
bindTexture(TextureMap.locationBlocksTexture);
tessellator.startDrawingQuads();
tessellator.setColorOpaque_F(1f, 1f, 1f);
tessellator.addVertexWithUV(-0.5, -0.5, 0, u1, v1);
tessellator.addVertexWithUV(0.5, -0.5, 0, u1, v2);
tessellator.addVertexWithUV(0.5, 0.5, 0, u2, v2);
tessellator.addVertexWithUV(-0.5, 0.5, 0, u2, v1);
tessellator.draw();
}
for (int i = 0; i < 128; i++) {
GL11.glPushMatrix();
float tx = random.nextFloat() - 0.5f;
float ty = random.nextFloat() - 0.5f;
GL11.glTranslatef(tx, ty, 0);
this.ihlItemRenderer.doRender(RenderManager.instance, stack, 0f, 0f, 0f);
GL11.glTranslatef(-tx, -ty, 0);
GL11.glPopMatrix();
}
GL11.glViewport(0, 0, Display.getWidth(), Display.getHeight());
}
public float getSubIconMinU(int index)
{
IIcon picon = PileBlock.instance.getIcon(0, 0);
int iconNumU = picon.getIconWidth()/this.textureWidth;
float minu = picon.getMinU();
float maxu = picon.getMaxU();
float du = (maxu - minu)/iconNumU;
return minu + index%iconNumU*du;
}
public float getSubIconMinV(int index)
{
IIcon picon = PileBlock.instance.getIcon(0, 0);
int iconNumU = picon.getIconWidth()/this.textureWidth;
int iconNumV = picon.getIconHeight()/this.textureHeight;
float minv = picon.getMinV();
float maxv = picon.getMaxV();
float dv = (maxv - minv)/iconNumV;
return minv + index/iconNumU*dv;
}
public float getSubIconDU(int index)
{
IIcon picon = PileBlock.instance.getIcon(0, 0);
int iconNumU = picon.getIconWidth()/this.textureWidth;
float minu = picon.getMinU();
float maxu = picon.getMaxU();
float du = (maxu - minu)/iconNumU;
return du;
}
public float getSubIconDV(int index)
{
IIcon picon = PileBlock.instance.getIcon(0, 0);
int iconNumV = picon.getIconHeight()/this.textureHeight;
float minv = picon.getMinV();
float maxv = picon.getMaxV();
float dv = (maxv - minv)/iconNumV;
return dv;
}
@Override
public void renderTileEntityAt(TileEntity par1TileEntity, double par2, double par4, double par6, float par8) {
this.renderAModelAt((PileTileEntity) par1TileEntity, par2, par4, par6, par8);
}
}
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