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#include "StarDrawablePainter.hpp"
namespace Star {
DrawablePainter::DrawablePainter(RendererPtr renderer, AssetTextureGroupPtr textureGroup) {
m_renderer = std::move(renderer);
m_textureGroup = std::move(textureGroup);
}
void DrawablePainter::drawDrawable(Drawable const& drawable) {
Vec4B color = drawable.color.toRgba();
auto& primitives = m_renderer->immediatePrimitives();
if (auto linePart = drawable.part.ptr<Drawable::LinePart>()) {
auto line = linePart->line;
line.translate(drawable.position);
Vec2F left = Vec2F(vnorm(line.diff())).rot90() * linePart->width / 2.0f;
float fullbright = drawable.fullbright ? 0.0f : 1.0f;
auto& primitive = primitives.emplace_back(std::in_place_type_t<RenderQuad>(),
line.min() + left,
line.min() - left,
line.max() - left,
line.max() + left,
color, fullbright);
if (auto* endColor = linePart->endColor.ptr()) {
RenderQuad& quad = primitive.get<RenderQuad>();
quad.c.color = quad.d.color = endColor->toRgba();
}
} else if (auto polyPart = drawable.part.ptr<Drawable::PolyPart>()) {
PolyF poly = polyPart->poly;
poly.translate(drawable.position);
primitives.emplace_back(std::in_place_type_t<RenderPoly>(), poly.vertexes(), color, 0.0f);
} else if (auto imagePart = drawable.part.ptr<Drawable::ImagePart>()) {
TexturePtr texture = m_textureGroup->loadTexture(imagePart->image);
Vec2F position = drawable.position;
Vec2F textureSize(texture->size());
Mat3F transformation = imagePart->transformation;
Vec2F lowerLeft = { transformation[0][2] += position.x(), transformation[1][2] += position.y() };
Vec2F lowerRight = transformation * Vec2F(textureSize.x(), 0.f);
Vec2F upperRight = transformation * textureSize;
Vec2F upperLeft = transformation * Vec2F(0.f, textureSize.y());
float param1 = drawable.fullbright ? 0.0f : 1.0f;
primitives.emplace_back(std::in_place_type_t<RenderQuad>(), std::move(texture),
lowerLeft, Vec2F{0, 0},
lowerRight, Vec2F{textureSize[0], 0},
upperRight, Vec2F{textureSize[0], textureSize[1]},
upperLeft, Vec2F{0, textureSize[1]},
color, param1);
}
}
void DrawablePainter::cleanup(int64_t textureTimeout) {
m_textureGroup->cleanup(textureTimeout);
}
}
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