diff options
Diffstat (limited to 'src/RendererSectionData.cpp')
| -rw-r--r-- | src/RendererSectionData.cpp | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/src/RendererSectionData.cpp b/src/RendererSectionData.cpp index 69ed665..2588fd6 100644 --- a/src/RendererSectionData.cpp +++ b/src/RendererSectionData.cpp @@ -15,6 +15,15 @@ inline const BlockId& GetBlockId(int x, int y, int z, const std::array<BlockId, return blockIdData[y * 256 + z * 16 + x]; } +glm::vec2 TransformTextureCoord(glm::vec4 TextureAtlasCoords, glm::vec2 UvCoords, float frames) { + float x = TextureAtlasCoords.x; + float y = TextureAtlasCoords.y; + float w = TextureAtlasCoords.z; + float h = TextureAtlasCoords.w / frames; + glm::vec2 transformed = glm::vec2(x, 1 - y - h) + UvCoords * glm::vec2(w, h); + return transformed; +} + void AddFacesByBlockModel(RendererSectionData &data, const BlockFaces &model, const glm::mat4 &transform, bool visibility[FaceDirection::none], BlockLightness light, BlockLightness skyLight) { for (const auto &face : model.faces) { glm::vec2 lightness; @@ -37,12 +46,25 @@ void AddFacesByBlockModel(RendererSectionData &data, const BlockFaces &model, co continue; lightness = glm::vec2(light.face[faceDirection], skyLight.face[faceDirection]); } - data.models.push_back(transform * model.transform * face.transform); - data.textures.push_back(face.texture); - data.textureLayers.push_back(face.layer); - data.textureFrames.push_back(face.frames); - data.lights.push_back(lightness); - data.colors.push_back(face.color); + + data.vertices.emplace_back(); + VertexData& vertexData = data.vertices.back(); + + glm::mat4 transformed = transform * model.transform * face.transform; + vertexData.positions[0] = transformed * glm::vec4(0, 0, 0, 1); + vertexData.positions[1] = transformed * glm::vec4(0, 0, 1, 1); + vertexData.positions[2] = transformed * glm::vec4(1, 0, 1, 1); + vertexData.positions[3] = transformed * glm::vec4(1, 0, 0, 1); + + vertexData.uvs[0] = TransformTextureCoord(face.texture, glm::vec2(0, 0), face.frames); + vertexData.uvs[1] = TransformTextureCoord(face.texture, glm::vec2(1, 0), face.frames); + vertexData.uvs[2] = TransformTextureCoord(face.texture, glm::vec2(1, 1), face.frames); + vertexData.uvs[3] = TransformTextureCoord(face.texture, glm::vec2(0, 1), face.frames); + + vertexData.uvLayers = face.layer; + vertexData.animations = face.frames; + vertexData.colors = face.color; + vertexData.lights = lightness; } } @@ -135,10 +157,7 @@ RendererSectionData ParseSection(const SectionsData §ions) { } } } - data.textures.shrink_to_fit(); - data.textureLayers.shrink_to_fit(); - data.models.shrink_to_fit(); - data.colors.shrink_to_fit(); + data.vertices.shrink_to_fit(); return data; } |