set and display block type labels

[blank.git] / src / world / chunk.cpp

diff --git a/src/world/chunk.cpp b/src/world/chunk.cpp
index c114526ba46cdace3204acb226189cb0af671d27..75f9c4f424c28d8babc77ef9322921a7db96a899 100644 (file)
--- a/src/world/chunk.cpp
+++ b/src/world/chunk.cpp
@@ -3,8 +3,10 @@
 #include "ChunkLoader.hpp"
 
 #include "Generator.hpp"
+#include "WorldCollision.hpp"
 
 #include <algorithm>
+#include <iostream>
 #include <limits>
 #include <queue>
 
@@ -184,6 +186,26 @@ void Chunk::SetBlock(int index, const Block &block) noexcept {
        }
 }
 
+namespace {
+
+// propagate light from a's edge to b
+void edge_light(
+       Chunk &a, const Chunk::Pos &a_pos,
+       Chunk &b, const Chunk::Pos &b_pos
+) noexcept {
+       if (a.GetLight(a_pos) > 1) {
+               const BlockType &b_type = b.Type(Chunk::ToIndex(b_pos));
+               if (!b_type.block_light) {
+                       light_queue.emplace(&a, a_pos);
+               }
+               if (b_type.visible) {
+                       b.Invalidate();
+               }
+       }
+}
+
+}
+
 void Chunk::SetNeighbor(Chunk &other) noexcept {
        if (other.position == position + Pos(-1, 0, 0)) {
                if (neighbor[Block::FACE_LEFT] != &other) {
@@ -193,12 +215,8 @@ void Chunk::SetNeighbor(Chunk &other) noexcept {
                                for (int y = 0; y < height; ++y) {
                                        Pos my_pos(0, y, z);
                                        Pos other_pos(width - 1, y, z);
-                                       if (GetLight(my_pos) > 0) {
-                                               light_queue.emplace(this, my_pos);
-                                       }
-                                       if (other.GetLight(other_pos) > 0) {
-                                               light_queue.emplace(&other, other_pos);
-                                       }
+                                       edge_light(*this, my_pos, other, other_pos);
+                                       edge_light(other, other_pos, *this, my_pos);
                                }
                        }
                        work_light();
@@ -211,12 +229,8 @@ void Chunk::SetNeighbor(Chunk &other) noexcept {
                                for (int y = 0; y < height; ++y) {
                                        Pos my_pos(width - 1, y, z);
                                        Pos other_pos(0, y, z);
-                                       if (GetLight(my_pos) > 0) {
-                                               light_queue.emplace(this, my_pos);
-                                       }
-                                       if (other.GetLight(other_pos) > 0) {
-                                               light_queue.emplace(&other, other_pos);
-                                       }
+                                       edge_light(*this, my_pos, other, other_pos);
+                                       edge_light(other, other_pos, *this, my_pos);
                                }
                        }
                        work_light();
@@ -229,12 +243,8 @@ void Chunk::SetNeighbor(Chunk &other) noexcept {
                                for (int x = 0; x < width; ++x) {
                                        Pos my_pos(x, 0, z);
                                        Pos other_pos(x, height - 1, z);
-                                       if (GetLight(my_pos) > 0) {
-                                               light_queue.emplace(this, my_pos);
-                                       }
-                                       if (other.GetLight(other_pos) > 0) {
-                                               light_queue.emplace(&other, other_pos);
-                                       }
+                                       edge_light(*this, my_pos, other, other_pos);
+                                       edge_light(other, other_pos, *this, my_pos);
                                }
                        }
                        work_light();
@@ -247,12 +257,8 @@ void Chunk::SetNeighbor(Chunk &other) noexcept {
                                for (int x = 0; x < width; ++x) {
                                        Pos my_pos(x, height - 1, z);
                                        Pos other_pos(x, 0, z);
-                                       if (GetLight(my_pos) > 0) {
-                                               light_queue.emplace(this, my_pos);
-                                       }
-                                       if (other.GetLight(other_pos) > 0) {
-                                               light_queue.emplace(&other, other_pos);
-                                       }
+                                       edge_light(*this, my_pos, other, other_pos);
+                                       edge_light(other, other_pos, *this, my_pos);
                                }
                        }
                        work_light();
@@ -265,12 +271,8 @@ void Chunk::SetNeighbor(Chunk &other) noexcept {
                                for (int x = 0; x < width; ++x) {
                                        Pos my_pos(x, y, 0);
                                        Pos other_pos(x, y, depth - 1);
-                                       if (GetLight(my_pos) > 0) {
-                                               light_queue.emplace(this, my_pos);
-                                       }
-                                       if (other.GetLight(other_pos) > 0) {
-                                               light_queue.emplace(&other, other_pos);
-                                       }
+                                       edge_light(*this, my_pos, other, other_pos);
+                                       edge_light(other, other_pos, *this, my_pos);
                                }
                        }
                        work_light();
@@ -283,12 +285,8 @@ void Chunk::SetNeighbor(Chunk &other) noexcept {
                                for (int x = 0; x < width; ++x) {
                                        Pos my_pos(x, y, depth - 1);
                                        Pos other_pos(x, y, 0);
-                                       if (GetLight(my_pos) > 0) {
-                                               light_queue.emplace(this, my_pos);
-                                       }
-                                       if (other.GetLight(other_pos) > 0) {
-                                               light_queue.emplace(&other, other_pos);
-                                       }
+                                       edge_light(*this, my_pos, other, other_pos);
+                                       edge_light(other, other_pos, *this, my_pos);
                                }
                        }
                        work_light();
@@ -481,6 +479,36 @@ bool Chunk::Intersection(
        }
 }
 
+bool Chunk::Intersection(
+       const AABB &box,
+       const glm::mat4 &Mbox,
+       const glm::mat4 &Mchunk,
+       std::vector<WorldCollision> &col
+) const noexcept {
+       bool any = false;
+       float penetration;
+       glm::vec3 normal;
+
+       if (!blank::Intersection(box, Mbox, Bounds(), Mchunk, penetration, normal)) {
+               return false;
+       }
+       for (int idx = 0, z = 0; z < depth; ++z) {
+               for (int y = 0; y < height; ++y) {
+                       for (int x = 0; x < width; ++x, ++idx) {
+                               const BlockType &type = Type(idx);
+                               if (!type.collision) {
+                                       continue;
+                               }
+                               if (type.shape->Intersects(Mchunk * ToTransform(Pos(x, y, z), idx), box, Mbox, penetration, normal)) {
+                                       col.emplace_back(this, idx, penetration, normal);
+                                       any = true;
+                               }
+                       }
+               }
+       }
+       return any;
+}
+
 
 namespace {