entity/world collision response

[blank.git] / src / world / Chunk.hpp

diff --git a/src/world/Chunk.hpp b/src/world/Chunk.hpp
index 8493ef6e2ef1b7f4f61ef5439484282a8e3ffbab..02f146e12de2870793bf35f0a3275d8480b07e90 100644 (file)
--- a/src/world/Chunk.hpp
+++ b/src/world/Chunk.hpp
@@ -6,6 +6,7 @@
 #include "../model/BlockModel.hpp"
 #include "../model/geometry.hpp"
 
+#include <vector>
 #include <glm/glm.hpp>
 #include <glm/gtx/transform.hpp>
 
@@ -13,6 +14,7 @@
 namespace blank {
 
 class BlockType;
+class WorldCollision;
 
 /// cube of size 16 (256 tiles, 4096 blocks)
 class Chunk {
@@ -71,6 +73,15 @@ public:
        }
        glm::mat4 ToTransform(const Pos &pos, int idx) const noexcept;
 
+       static bool IsBorder(const Pos &pos) noexcept {
+               return
+                       pos.x == 0 ||
+                       pos.x == width - 1 ||
+                       pos.y == 0 ||
+                       pos.y == height - 1 ||
+                       pos.z == 0 ||
+                       pos.z == depth - 1;
+       }
        static constexpr bool IsBorder(int idx) noexcept {
                return
                        idx < width * height ||                    // low Z plane
@@ -134,6 +145,12 @@ public:
                float &dist,
                glm::vec3 &normal) const noexcept;
 
+       bool Intersection(
+               const AABB &box,
+               const glm::mat4 &Mbox,
+               const glm::mat4 &Mchunk,
+               std::vector<WorldCollision> &) const noexcept;
+
        void Position(const Pos &pos) noexcept { position = pos; }
        const Pos &Position() const noexcept { return position; }
        glm::mat4 Transform(const Pos &offset) const noexcept {
@@ -149,8 +166,8 @@ private:
 private:
        const BlockTypeRegistry *types;
        Chunk *neighbor[Block::FACE_COUNT];
-       Block blocks[16 * 16 * 16];
-       unsigned char light[16 * 16 * 16];
+       Block blocks[size];
+       unsigned char light[size];
        BlockModel model;
        Pos position;
        bool dirty;