prepare block models for rotation

[blank.git] / src / world.cpp

diff --git a/src/world.cpp b/src/world.cpp
index c1d1f5a64fe4f462c7d5b20b62c549b14349b18d..aa65bef7a3aa6cb88ae94d6dac2173f1a9b202b6 100644 (file)
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -7,7 +7,7 @@
 namespace blank {
 
 const BlockType BlockType::DEFAULT;
-const CuboidShape BlockType::DEFAULT_SHAPE({{ 0, 0, 0 }, { 1, 1, 1 }});
+const NullShape BlockType::DEFAULT_SHAPE;
 
 void BlockType::FillVBO(
        const glm::vec3 &pos,
@@ -104,7 +104,8 @@ bool Chunk::Intersection(
                                }
                                float cur_dist;
                                glm::vec3 cur_norm;
-                               if (blocks[id].type->shape->Intersects(ray, glm::translate(M, glm::vec3(x, y, z)), cur_dist, cur_norm)) {
+                               glm::vec3 pos(float(x) + 0.5f, float(y) + 0.5f, float(z) + 0.5f);
+                               if (blocks[id].type->shape->Intersects(ray, glm::translate(M, pos), cur_dist, cur_norm)) {
                                        if (cur_dist < closest_dist) {
                                                closest_id = id;
                                                closest_dist = cur_dist;
@@ -138,7 +139,6 @@ void Chunk::Position(const glm::vec3 &pos) {
 
 
 int Chunk::VertexCount() const {
-       // TODO: query blocks as soon as type shapes are implemented
        int count = 0;
        for (const auto &block : blocks) {
                count += block.type->shape->VertexCount();
@@ -150,10 +150,8 @@ void Chunk::Update() {
        model.Clear();
        model.Reserve(VertexCount());
 
-       for (int i = 0; i < Size(); ++i) {
-               if (blocks[i].type->visible) {
-                       blocks[i].type->FillModel(ToCoords(i), model);
-               }
+       for (size_t i = 0; i < Size(); ++i) {
+               blocks[i].type->FillModel(ToCoords(i), model);
        }
 
        model.Invalidate();
@@ -163,16 +161,21 @@ void Chunk::Update() {
 
 World::World()
 : blockType()
-, blockShape({{ 0.0f, 0.0f, 0.0f }, { 1.0f, 1.0f, 1.0f }})
-, slabShape({{ 0.0f, 0.0f, 0.0f }, { 1.0f, 0.5f, 1.0f }})
+, blockShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }})
+, stairShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }}, { 0.0f, 0.0f })
+, slabShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.0f, 0.5f }})
 , chunks() {
        blockType.Add(BlockType{ true, { 1.0f, 1.0f, 1.0f }, &blockShape }); // white block
+       blockType.Add(BlockType{ true, { 1.0f, 1.0f, 1.0f }, &stairShape }); // white stair
        blockType.Add(BlockType{ true, { 1.0f, 1.0f, 1.0f }, &slabShape }); // white slab
        blockType.Add(BlockType{ true, { 1.0f, 0.0f, 0.0f }, &blockShape }); // red block
+       blockType.Add(BlockType{ true, { 1.0f, 0.0f, 0.0f }, &stairShape }); // red stair
        blockType.Add(BlockType{ true, { 1.0f, 0.0f, 0.0f }, &slabShape }); // red slab
        blockType.Add(BlockType{ true, { 0.0f, 1.0f, 0.0f }, &blockShape }); // green block
+       blockType.Add(BlockType{ true, { 0.0f, 1.0f, 0.0f }, &stairShape }); // green stair
        blockType.Add(BlockType{ true, { 0.0f, 1.0f, 0.0f }, &slabShape }); // green slab
        blockType.Add(BlockType{ true, { 0.0f, 0.0f, 1.0f }, &blockShape }); // blue block
+       blockType.Add(BlockType{ true, { 0.0f, 0.0f, 1.0f }, &stairShape }); // blue stair
        blockType.Add(BlockType{ true, { 0.0f, 0.0f, 1.0f }, &slabShape }); // blue slab
 }
 
@@ -191,7 +194,7 @@ Chunk &World::Generate(const glm::vec3 &pos) {
        chunks.emplace_back();
        Chunk &chunk = chunks.back();
        chunk.Position(pos);
-       for (int i = 1; i < 9; ++i) {
+       for (size_t i = 1; i < blockType.Size(); ++i) {
                chunk.BlockAt(i) = Block(blockType[i]);
                chunk.BlockAt(i + 257) = Block(blockType[i]);
                chunk.BlockAt(i + 514) = Block(blockType[i]);