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https://github.com/4jcraft/4jcraft.git
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84 lines
3.6 KiB
C++
84 lines
3.6 KiB
C++
#include "../../Platform/stdafx.h"
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#include "PistonPieceRenderer.h"
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#include "../Lighting.h"
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#include "../Tesselator.h"
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#include "../../Textures/TextureAtlas.h"
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#include "TileRenderer.h"
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#include "../../../Minecraft.World/Headers/net.minecraft.world.level.h"
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#include "../../../Minecraft.World/Blocks/TileEntities/PistonPieceTileEntity.h"
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#include "../../../Minecraft.World/Headers/net.minecraft.world.level.tile.h"
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ResourceLocation PistonPieceRenderer::SIGN_LOCATION =
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ResourceLocation(TN_ITEM_SIGN);
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PistonPieceRenderer::PistonPieceRenderer() { tileRenderer = nullptr; }
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void PistonPieceRenderer::render(std::shared_ptr<TileEntity> _entity, double x,
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double y, double z, float a, bool setColor,
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float alpha, bool useCompiled) {
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// 4J - dynamic cast required because we aren't using templates/generics in
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// our version
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std::shared_ptr<PistonPieceEntity> entity =
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std::dynamic_pointer_cast<PistonPieceEntity>(_entity);
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Tile* tile = Tile::tiles[entity->getId()];
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if (tile != nullptr &&
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entity->getProgress(a) <=
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1) // 4J - changed condition from < to <= as our chunk update is
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// async to main thread and so we can have to render these with
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// progress of 1
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{
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Tesselator* t = Tesselator::getInstance();
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bindTexture(&TextureAtlas::LOCATION_BLOCKS);
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Lighting::turnOff();
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glColor4f(1, 1, 1,
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1); // 4J added - this wouldn't be needed in real opengl as
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// the block render has vertex colours and so this isn't
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// use, but our pretend gl always modulates with this
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_BLEND);
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glDisable(GL_CULL_FACE);
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t->begin();
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t->offset((float)x - entity->x + entity->getXOff(a),
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(float)y - entity->y + entity->getYOff(a),
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(float)z - entity->z + entity->getZOff(a));
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t->color(1, 1, 1);
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if (tile == Tile::pistonExtension && entity->getProgress(a) < 0.5f) {
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// extending arms may appear through the base block
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tileRenderer->tesselatePistonArmNoCulling(tile, entity->x,
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entity->y, entity->z,
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false, entity->getData());
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} else if (entity->isSourcePiston() && !entity->isExtending()) {
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// special case for withdrawing the arm back into the base
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Tile::pistonExtension->setOverrideTopTexture(
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((PistonBaseTile*)tile)->getPlatformTexture());
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tileRenderer->tesselatePistonArmNoCulling(
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Tile::pistonExtension, entity->x, entity->y, entity->z,
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entity->getProgress(a) < 0.5f, entity->getData());
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Tile::pistonExtension->clearOverrideTopTexture();
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t->offset((float)x - entity->x, (float)y - entity->y,
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(float)z - entity->z);
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tileRenderer->tesselatePistonBaseForceExtended(
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tile, entity->x, entity->y, entity->z, entity->getData());
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} else {
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tileRenderer->tesselateInWorldNoCulling(tile, entity->x, entity->y,
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entity->z,
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entity->getData(), entity);
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}
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t->offset(0, 0, 0);
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t->end();
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Lighting::turnOn();
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}
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}
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void PistonPieceRenderer::onNewLevel(Level* level) {
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delete tileRenderer;
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tileRenderer = new TileRenderer(level);
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}
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