4jcraft/Minecraft.Client/Rendering/EntityRenderers/HumanoidMobRenderer.cpp

#include "../../Platform/stdafx.h"
#include "HumanoidMobRenderer.h"
#include "SkullTileRenderer.h"
#include "../Models/HumanoidModel.h"
#include "../Models/ModelPart.h"
#include "EntityRenderDispatcher.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.item.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.level.tile.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.entity.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.entity.monster.h"
#include "../../../Minecraft.World/Headers/net.minecraft.h"

void HumanoidMobRenderer::_init(HumanoidModel* humanoidModel, float scale) {
    this->humanoidModel = humanoidModel;
    this->_scale = scale;
    armorParts1 = NULL;
    armorParts2 = NULL;
}

HumanoidMobRenderer::HumanoidMobRenderer(HumanoidModel* humanoidModel,
                                         float shadow)
    : MobRenderer(humanoidModel, shadow) {
    _init(humanoidModel, 1.0f);
}

HumanoidMobRenderer::HumanoidMobRenderer(HumanoidModel* humanoidModel,
                                         float shadow, float scale)
    : MobRenderer(humanoidModel, shadow) {
    _init(humanoidModel, scale);

    createArmorParts();
}

void HumanoidMobRenderer::createArmorParts() {
    armorParts1 = new HumanoidModel(1.0f);
    armorParts2 = new HumanoidModel(0.5f);
}

void HumanoidMobRenderer::additionalRendering(std::shared_ptr<Mob> mob,
                                              float a) {
    float brightness =
        SharedConstants::TEXTURE_LIGHTING ? 1 : mob->getBrightness(a);
    glColor3f(brightness, brightness, brightness);
    std::shared_ptr<ItemInstance> item = mob->getCarriedItem();
    std::shared_ptr<ItemInstance> headGear = mob->getArmor(3);

    if (headGear != NULL) {
        // don't render the pumpkin of skulls for the skins with that disabled
        // 4J-PB - need to disable rendering armour/skulls/pumpkins for some
        // special skins (Daleks)

        if ((mob->getAnimOverrideBitmask() &
             (1 << HumanoidModel::eAnim_DontRenderArmour)) == 0) {
            glPushMatrix();
            humanoidModel->head->translateTo(1 / 16.0f);

            if (headGear->getItem()->id < 256) {
                if (Tile::tiles[headGear->id] != NULL &&
                    TileRenderer::canRender(
                        Tile::tiles[headGear->id]->getRenderShape())) {
                    float s = 10 / 16.0f;
                    glTranslatef(-0 / 16.0f, -4 / 16.0f, 0 / 16.0f);
                    glRotatef(90, 0, 1, 0);
                    glScalef(s, -s, -s);
                }

                this->entityRenderDispatcher->itemInHandRenderer->renderItem(
                    mob, headGear, 0);
            } else if (headGear->getItem()->id == Item::skull_Id) {
                float s = 17 / 16.0f;
                glScalef(s, -s, -s);

                std::wstring extra = L"";
                if (headGear->hasTag() &&
                    headGear->getTag()->contains(L"SkullOwner")) {
                    extra = headGear->getTag()->getString(L"SkullOwner");
                }
                SkullTileRenderer::instance->renderSkull(
                    -0.5f, 0, -0.5f, Facing::UP, 180, headGear->getAuxValue(),
                    extra);
            }

            glPopMatrix();
        }
    }

    if (item != NULL) {
        glPushMatrix();

        if (model->young) {
            float s = 0.5f;
            glTranslatef(0 / 16.0f, 10 / 16.0f, 0 / 16.0f);
            glRotatef(-20, -1, 0, 0);
            glScalef(s, s, s);
        }

        humanoidModel->arm0->translateTo(1 / 16.0f);
        glTranslatef(-1 / 16.0f, 7 / 16.0f, 1 / 16.0f);

        if (item->id < 256 &&
            TileRenderer::canRender(Tile::tiles[item->id]->getRenderShape())) {
            float s = 8 / 16.0f;
            glTranslatef(-0 / 16.0f, 3 / 16.0f, -5 / 16.0f);
            s *= 0.75f;
            glRotatef(20, 1, 0, 0);
            glRotatef(45, 0, 1, 0);
            glScalef(-s, -s, s);
        } else if (item->id == Item::bow_Id) {
            float s = 10 / 16.0f;
            glTranslatef(0 / 16.0f, 2 / 16.0f, 5 / 16.0f);
            glRotatef(-20, 0, 1, 0);
            glScalef(s, -s, s);
            glRotatef(-100, 1, 0, 0);
            glRotatef(45, 0, 1, 0);
        } else if (Item::items[item->id]->isHandEquipped()) {
            float s = 10 / 16.0f;
            glTranslatef(0, 3 / 16.0f, 0);
            glScalef(s, -s, s);
            glRotatef(-100, 1, 0, 0);
            glRotatef(45, 0, 1, 0);
        } else {
            float s = 6 / 16.0f;
            glTranslatef(+4 / 16.0f, +3 / 16.0f, -3 / 16.0f);
            glScalef(s, s, s);
            glRotatef(60, 0, 0, 1);
            glRotatef(-90, 1, 0, 0);
            glRotatef(20, 0, 0, 1);
        }

        this->entityRenderDispatcher->itemInHandRenderer->renderItem(mob, item,
                                                                     0);
        if (item->getItem()->hasMultipleSpriteLayers()) {
            this->entityRenderDispatcher->itemInHandRenderer->renderItem(
                mob, item, 1);
        }

        glPopMatrix();
    }
}

void HumanoidMobRenderer::scale(std::shared_ptr<Mob> mob, float a) {
    glScalef(_scale, _scale, _scale);
}