BatchRendererPoints.cpp

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#include <tdme/engine/subsystems/rendering/BatchRendererPoints.h>
 
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/engine/model/Color4.h>
#include <tdme/engine/subsystems/manager/VBOManager.h>
#include <tdme/engine/subsystems/manager/VBOManager_VBOManaged.h>
#include <tdme/engine/subsystems/renderer/Renderer.h>
#include <tdme/engine/subsystems/rendering/TransparentRenderPoint.h>
#include <tdme/engine/Engine.h>
#include <tdme/math/Vector3.h>
#include <tdme/utilities/ByteBuffer.h>
#include <tdme/utilities/FloatBuffer.h>
#include <tdme/utilities/ShortBuffer.h>
 
using std::string;
using std::to_string;
 
using tdme::engine::subsystems::rendering::BatchRendererPoints;
 
using tdme::engine::model::Color4;
using tdme::engine::subsystems::manager::VBOManager;
using tdme::engine::subsystems::manager::VBOManager_VBOManaged;
using tdme::engine::subsystems::renderer::Renderer;
using tdme::engine::subsystems::rendering::TransparentRenderPoint;
using tdme::engine::Engine;
using tdme::math::Vector3;
using tdme::utilities::ByteBuffer;
using tdme::utilities::FloatBuffer;
 
constexpr int32_t BatchRendererPoints::POINT_COUNT;
 
BatchRendererPoints::BatchRendererPoints(Renderer* renderer, int32_t id)
{
    this->id = id;
    this->renderer = renderer;
    this->acquired = false;
    fbVertices = (fbVerticesByteBuffer = ByteBuffer::allocate(POINT_COUNT * 3 * sizeof(float)))->asFloatBuffer();
    fbColors = (fbColorsByteBuffer = ByteBuffer::allocate(POINT_COUNT * 4 * sizeof(float)))->asFloatBuffer();
    fbPointSizes = (fbPointSizesByteBuffer = ByteBuffer::allocate(POINT_COUNT * sizeof(float)))->asFloatBuffer();
    fbEffectColorMul = (fbEffectColorMulByteBuffer = ByteBuffer::allocate(POINT_COUNT * 4 * sizeof(float)))->asFloatBuffer();
    fbEffectColorAdd = (fbEffectColorAddByteBuffer = ByteBuffer::allocate(POINT_COUNT * 4 * sizeof(float)))->asFloatBuffer();
    if (renderer->isSupportingIntegerProgramAttributes() == true) {
        sbTextureSpriteIndices = (sbTextureSpriteIndicesByteBuffer = ByteBuffer::allocate(POINT_COUNT * 2 * sizeof(uint16_t)))->asShortBuffer();
        sbSpriteSheetDimension = (sbSpriteSheetDimensionByteBuffer = ByteBuffer::allocate(POINT_COUNT * 2 * sizeof(uint16_t)))->asShortBuffer();
    } else {
        fbTextureSpriteIndices = (fbTextureSpriteIndicesByteBuffer = ByteBuffer::allocate(POINT_COUNT * 2 * sizeof(float)))->asFloatBuffer();
        fbSpriteSheetDimension = (fbSpriteSheetDimensionByteBuffer = ByteBuffer::allocate(POINT_COUNT * 2 * sizeof(float)))->asFloatBuffer();
    }
}
 
BatchRendererPoints::~BatchRendererPoints()
{
    delete fbVerticesByteBuffer;
    delete fbColorsByteBuffer;
    delete fbPointSizesByteBuffer;
    delete fbEffectColorMulByteBuffer;
    delete fbEffectColorAddByteBuffer;
    if (renderer->isSupportingIntegerProgramAttributes() == true) {
        delete sbTextureSpriteIndicesByteBuffer;
        delete sbSpriteSheetDimensionByteBuffer;
    } else {
        delete fbTextureSpriteIndicesByteBuffer;
        delete fbSpriteSheetDimensionByteBuffer;
    }
}
 
void BatchRendererPoints::initialize()
{
    // initialize if not yet done
    if (vboIds == nullptr) {
        auto created = false;
        auto vboManaged = Engine::getInstance()->getVBOManager()->addVBO("tdme.batchvborendererpoints." + to_string(id), 7, false, false, created);
        vboIds = vboManaged->getVBOIds();
    }
}
 
void BatchRendererPoints::render(int contextIdx)
{
    // skip if no vertex data exists
    if (fbVertices.getPosition() == 0)
        return;
 
    // determine point count
    auto points = fbVertices.getPosition() / 3;
    // upload
    renderer->uploadBufferObject(contextIdx, (*vboIds)[0], fbVertices.getPosition() * sizeof(float), &fbVertices);
    renderer->uploadBufferObject(contextIdx, (*vboIds)[2], fbColors.getPosition() * sizeof(float), &fbColors);
    renderer->uploadBufferObject(contextIdx, (*vboIds)[4], fbPointSizes.getPosition() * sizeof(float), &fbPointSizes);
    renderer->uploadBufferObject(contextIdx, (*vboIds)[5], fbEffectColorMul.getPosition() * sizeof(float), &fbEffectColorMul);
    renderer->uploadBufferObject(contextIdx, (*vboIds)[6], fbEffectColorAdd.getPosition() * sizeof(float), &fbEffectColorAdd);
    if (renderer->isSupportingIntegerProgramAttributes() == true) {
        renderer->uploadBufferObject(contextIdx, (*vboIds)[1], sbTextureSpriteIndices.getPosition() * sizeof(uint16_t), &sbTextureSpriteIndices);
        renderer->uploadBufferObject(contextIdx, (*vboIds)[3], sbSpriteSheetDimension.getPosition() * sizeof(uint16_t), &sbSpriteSheetDimension);
    } else {
        renderer->uploadBufferObject(contextIdx, (*vboIds)[1], fbTextureSpriteIndices.getPosition() * sizeof(float), &fbTextureSpriteIndices);
        renderer->uploadBufferObject(contextIdx, (*vboIds)[3], fbSpriteSheetDimension.getPosition() * sizeof(float), &fbSpriteSheetDimension);
    }
    // bind vertices
    renderer->bindVerticesBufferObject(contextIdx, (*vboIds)[0]);
    // bind texture and sprite indices
    renderer->bindTextureSpriteIndicesBufferObject(contextIdx, (*vboIds)[1]);
    // bind colors
    renderer->bindColorsBufferObject(contextIdx, (*vboIds)[2]);
    // bind sprite sheet dimension
    renderer->bindSpriteSheetDimensionBufferObject(contextIdx, (*vboIds)[3]);
    // bind point sizes
    renderer->bindPointSizesBufferObject(contextIdx, (*vboIds)[4]);
    // bind effect color mul
    renderer->bindEffectColorMulsBufferObject(contextIdx, (*vboIds)[5], 0);
    // bind effect color add
    renderer->bindEffectColorAddsBufferObject(contextIdx, (*vboIds)[6], 0);
    // draw
    renderer->drawPointsFromBufferObjects(contextIdx, points, 0);
}
 
void BatchRendererPoints::dispose()
{
    if (vboIds != nullptr) {
        Engine::getInstance()->getVBOManager()->removeVBO("tdme.batchvborendererpoints." + to_string(id));
        vboIds = nullptr;
    }
}
 
void BatchRendererPoints::clear()
{
    fbVertices.clear();
    fbColors.clear();
    fbPointSizes.clear();
    fbEffectColorMul.clear();
    fbEffectColorAdd.clear();
    if (renderer->isSupportingIntegerProgramAttributes() == true) {
        sbTextureSpriteIndices.clear();
        sbSpriteSheetDimension.clear();
    } else {
        fbTextureSpriteIndices.clear();
        fbSpriteSheetDimension.clear();
    }
}