diff options
Diffstat (limited to 'source/application/StarRenderer.cpp')
-rw-r--r-- | source/application/StarRenderer.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/source/application/StarRenderer.cpp b/source/application/StarRenderer.cpp new file mode 100644 index 0000000..51b11c7 --- /dev/null +++ b/source/application/StarRenderer.cpp @@ -0,0 +1,60 @@ +#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; +} + +} |