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