osb/source/application/StarRenderer.cpp
2023-06-20 14:33:09 +10:00

61 lines
2.3 KiB
C++

#include "StarRenderer.hpp"
namespace Star {
EnumMap<TextureAddressing> const TextureAddressingNames{
{TextureAddressing::Clamp, "Clamp"},
{TextureAddressing::Wrap, "Wrap"}
};
EnumMap<TextureFiltering> const TextureFilteringNames{
{TextureFiltering::Nearest, "Nearest"},
{TextureFiltering::Linear, "Linear"}
};
RenderQuad renderTexturedRect(TexturePtr texture, Vec2F minPosition, float textureScale, Vec4B color, float param1) {
if (!texture)
throw RendererException("renderTexturedRect called with null texture");
auto textureSize = Vec2F(texture->size());
return {
move(texture),
RenderVertex{minPosition, Vec2F(0, 0), color, param1},
RenderVertex{minPosition + Vec2F(textureSize[0], 0) * textureScale, Vec2F(textureSize[0], 0), color, param1},
RenderVertex{minPosition + Vec2F(textureSize[0], textureSize[1]) * textureScale, Vec2F(textureSize[0], textureSize[1]), color, param1},
RenderVertex{minPosition + Vec2F(0, textureSize[1]) * textureScale, Vec2F(0, textureSize[1]), color, param1}
};
}
RenderQuad renderTexturedRect(TexturePtr texture, RectF const& screenCoords, Vec4B color, float param1) {
if (!texture)
throw RendererException("renderTexturedRect called with null texture");
auto textureSize = Vec2F(texture->size());
return {
move(texture),
RenderVertex{{screenCoords.xMin(), screenCoords.yMin()}, Vec2F(0, 0), color, param1},
RenderVertex{{screenCoords.xMax(), screenCoords.yMin()}, Vec2F(textureSize[0], 0), color, param1},
RenderVertex{{screenCoords.xMax(), screenCoords.yMax()}, Vec2F(textureSize[0], textureSize[1]), color, param1},
RenderVertex{{screenCoords.xMin(), screenCoords.yMax()}, Vec2F(0, textureSize[1]), color, param1}
};
}
RenderQuad renderFlatRect(RectF const& rect, Vec4B color, float param1) {
return {
{},
RenderVertex{{rect.xMin(), rect.yMin()}, {}, color, param1},
RenderVertex{{rect.xMax(), rect.yMin()}, {}, color, param1},
RenderVertex{{rect.xMax(), rect.yMax()}, {}, color, param1},
RenderVertex{{rect.xMin(), rect.yMax()}, {}, color, param1}
};
}
RenderPoly renderFlatPoly(PolyF const& poly, Vec4B color, float param1) {
RenderPoly renderPoly;
for (auto const& v : poly)
renderPoly.vertexes.append({v, {}, color, param1});
return renderPoly;
}
}