orientable blocks

[blank.git] / src / block.cpp

diff --git a/src/block.cpp b/src/block.cpp
index 236a61ff62bcb0b2d122f78fc33691f35db2d3d1..fa39790ee35e0e396224d12581ed102baba1083e 100644 (file)
--- a/src/block.cpp
+++ b/src/block.cpp
@@ -1,8 +1,49 @@
 #include "block.hpp"
 
+#include "geometry.hpp"
+
+#include <glm/gtx/euler_angles.hpp>
+#include <glm/gtx/transform.hpp>
+
 
 namespace blank {
 
+namespace {
+
+const glm::mat4 block_transforms[Block::DIR_COUNT * Block::ROT_COUNT] = {
+       glm::mat4(1.0f),
+       glm::eulerAngleY(PI_0p5),
+       glm::eulerAngleY(PI),
+       glm::eulerAngleY(PI_1p5),
+       glm::eulerAngleX(PI),
+       glm::eulerAngleYX(PI_0p5, PI),
+       glm::eulerAngleYX(PI, PI),
+       glm::eulerAngleYX(PI_1p5, PI),
+       glm::eulerAngleZ(PI_0p5),
+       glm::eulerAngleYZ(PI_0p5, PI_0p5),
+       glm::eulerAngleYZ(PI, PI_0p5),
+       glm::eulerAngleYZ(PI_1p5, PI_0p5),
+       glm::eulerAngleZ(PI_1p5),
+       glm::eulerAngleYZ(PI_0p5, PI_1p5),
+       glm::eulerAngleYZ(PI, PI_1p5),
+       glm::eulerAngleYZ(PI_1p5, PI_1p5),
+       glm::eulerAngleX(PI_0p5),
+       glm::eulerAngleYX(PI_0p5, PI_0p5),
+       glm::eulerAngleYX(PI, PI_0p5),
+       glm::eulerAngleYX(PI_1p5, PI_0p5),
+       glm::eulerAngleX(PI_1p5),
+       glm::eulerAngleYX(PI_0p5, PI_1p5),
+       glm::eulerAngleYX(PI, PI_1p5),
+       glm::eulerAngleYX(PI_1p5, PI_1p5),
+};
+
+}
+
+const glm::mat4 &Block::Transform() const {
+       return block_transforms[orient];
+}
+
+
 const NullShape BlockType::DEFAULT_SHAPE;
 
 BlockType::BlockType(bool v, const glm::vec3 &col, const Shape *s)
@@ -17,10 +58,10 @@ BlockType::BlockType(bool v, const glm::vec3 &col, const Shape *s)
 
 void BlockType::FillModel(
        Model::Buffer &buf,
-       const glm::vec3 &pos_offset,
+       const glm::mat4 &transform,
        Model::Index idx_offset
 ) const {
-       shape->Vertices(buf.vertices, buf.normals, buf.indices, pos_offset, idx_offset);
+       shape->Vertices(buf.vertices, buf.normals, buf.indices, transform, idx_offset);
        buf.colors.insert(buf.colors.end(), shape->VertexCount(), color);
 }