itdominator/SWBF2-Classic-Msh-Viewer
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support transparency now

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This commit is contained in:
Anakin
2017-01-15 15:51:12 +01:00
parent b8f8a5c2ad
commit 454ed45fa1
5 changed files with 103 additions and 23 deletions
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19
QtMeshViewer/Source/GeometryEngine.cpp
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@@ -71,7 +71,6 @@ void GeometryEngine::loadFile(QString filePath)
m_boundings = file.getBoundingBox();
// collect data
//TODO: sort transparent faces
unsigned int indexOffset(0);
unsigned int vertexOffset(0);
for (auto& modelIterator : *models)
@@ -94,7 +93,11 @@ void GeometryEngine::loadFile(QString filePath)
// save data
vertexData += segmentIterator->vertices;
indexData += segmentIterator->indices;
m_drawList.push_back(new_info);
if (segmentIterator->textureIndex < m_materials->size() && m_materials->at(segmentIterator->textureIndex).transparent)
m_drawList.push_back(new_info);
else
m_drawList.push_front(new_info);
// update offset
indexOffset += new_info.size;
@@ -172,15 +175,25 @@ void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
for (auto& it : m_drawList)
{
bool tmp_transparent(false);
// bind the correct texture
if (it.textureIndex < m_materials->size())
{
m_materials->at(it.textureIndex).texture->bind();
tmp_transparent = m_materials->at(it.textureIndex).transparent;
}
else
{
m_materials->last().texture->bind();
tmp_transparent = m_materials->last().transparent;
}
// Set model matrix
program->setUniformValue("m_matrix", it.modelMatrix);
// decide if this is transparent
program->setUniformValue("b_transparent", tmp_transparent);
// Draw cube geometry using indices from VBO 1
glDrawElements(GL_TRIANGLES, it.size, GL_UNSIGNED_INT, (void*)(it.offset * sizeof(GLuint)));
}