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#include "stdafx.h"
#include "ItemSpriteRenderer.h"
#include "EntityRenderDispatcher.h"
#include "TextureAtlas.h"
#include "..\Minecraft.World\net.minecraft.world.entity.projectile.h"
#include "..\Minecraft.World\net.minecraft.world.item.alchemy.h"
#include "..\Minecraft.World\net.minecraft.world.item.h"
#include "..\Minecraft.World\net.minecraft.world.h"
ItemSpriteRenderer::ItemSpriteRenderer(Item *sourceItem, int sourceItemAuxValue /*= 0*/) : EntityRenderer()
{
this->sourceItem = sourceItem;
this->sourceItemAuxValue = sourceItemAuxValue;
}
//ItemSpriteRenderer::ItemSpriteRenderer(int icon) : EntityRenderer()
//{
// this(sourceItem, 0);
//}
void ItemSpriteRenderer::render(shared_ptr<Entity> e, double x, double y, double z, float rot, float a)
{
// the icon is already cached in the item object, so there should not be any performance impact by not caching it here
Icon *icon = sourceItem->getIcon(sourceItemAuxValue);
if (icon == nullptr)
{
return;
}
glPushMatrix();
glTranslatef(static_cast<float>(x), static_cast<float>(y), static_cast<float>(z));
glEnable(GL_RESCALE_NORMAL);
glScalef(1 / 2.0f, 1 / 2.0f, 1 / 2.0f);
bindTexture(e);
Tesselator *t = Tesselator::getInstance();
if (icon == PotionItem::getTexture(PotionItem::THROWABLE_ICON) )
{
int col = PotionBrewing::getColorValue((dynamic_pointer_cast<ThrownPotion>(e) )->getPotionValue(), false);
float red = ((col >> 16) & 0xff) / 255.0f;
float g = ((col >> 8) & 0xff) / 255.0f;
float b = ((col) & 0xff) / 255.0f;
glColor3f(red, g, b);
glPushMatrix();
renderIcon(t, PotionItem::getTexture(PotionItem::CONTENTS_ICON));
glPopMatrix();
glColor3f(1, 1, 1);
}
renderIcon(t, icon);
glDisable(GL_RESCALE_NORMAL);
glPopMatrix();
}
void ItemSpriteRenderer::renderIcon(Tesselator *t, Icon *icon)
{
float u0 = icon->getU0();
float u1 = icon->getU1();
float v0 = icon->getV0();
float v1 = icon->getV1();
float r = 1.0f;
float xo = 0.5f;
float yo = 0.25f;
glRotatef(180 - entityRenderDispatcher->playerRotY, 0, 1, 0);
glRotatef(-entityRenderDispatcher->playerRotX, 1, 0, 0);
t->begin();
t->normal(0, 1, 0);
t->vertexUV((float)(0 - xo), (float)( 0 - yo), static_cast<float>(0), (float)( u0), (float)( v1));
t->vertexUV((float)(r - xo), (float)( 0 - yo), static_cast<float>(0), (float)( u1), (float)( v1));
t->vertexUV((float)(r - xo), (float)( r - yo), static_cast<float>(0), (float)( u1), (float)( v0));
t->vertexUV((float)(0 - xo), (float)( r - yo), static_cast<float>(0), (float)( u0), (float)( v0));
t->end();
}
ResourceLocation *ItemSpriteRenderer::getTextureLocation(shared_ptr<Entity> mob)
{
return &TextureAtlas::LOCATION_ITEMS;
}
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