From e49474fc0dcff041a9fae2857273938481cc9ec9 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sun, 15 May 2022 18:01:38 +0200
Subject: Expanded label rendering

---
 Label.h  |  1 +
 View.cpp | 36 +++++++++++++++++++++---------------
 View.h   |  2 ++
 main.cpp | 20 +++++++++++---------
 4 files changed, 35 insertions(+), 24 deletions(-)

diff --git a/Label.h b/Label.h
index 25d9d4f..688dead 100644
--- a/Label.h
+++ b/Label.h
@@ -8,4 +8,5 @@ struct Label
     Vector2 pos;
     Vector2 base;
     float depth;
+    float length;
 };
diff --git a/View.cpp b/View.cpp
index 77ab271..debf10c 100644
--- a/View.cpp
+++ b/View.cpp
@@ -13,7 +13,8 @@ View::View(std::vector<Grid> grids) :
     m_camera {},
     m_grids {grids},
     m_labels {},
-    m_grid {0}
+    m_grid {0},
+    m_texture {LoadTexture("resources/wreck.png")}
 {
     m_camera.position = Vector3{10.0f, 10.0f, 10.0f};
     m_camera.target = Vector3{0.0f, 0.0f, 0.0f};
@@ -24,6 +25,12 @@ View::View(std::vector<Grid> grids) :
 }
 
 
+View::~View()
+{
+    UnloadTexture(m_texture);
+}
+
+
 void
 View::update(const float dt)
 {
@@ -40,15 +47,20 @@ View::update(const float dt)
     m_labels.reserve(wrecks.size());
     for (const auto& wreck : wrecks) {
         const auto pos = GetWorldToScreen(wreck.position, m_camera);
+        const auto base = GetWorldToScreen({wreck.position.x, 0.0f, wreck.position.z}, m_camera);
+        if (0 > pos.x || width < pos.x || 0 > pos.y || height < pos.y)
+            if (0 > base.x || width < base.x || 0 > base.y || height < base.y)
+                continue;
         const float depth =
             std::sqrt(
                 std::pow(m_camera.position.x - wreck.position.x, 2) +
                 std::pow(m_camera.position.y - wreck.position.y, 2) +
                 std::pow(m_camera.position.z - wreck.position.z, 2));
-        if (0 > pos.x || width < pos.x || 0 > pos.y || height < pos.y)
-            continue;
-        const auto base = GetWorldToScreen({wreck.position.x, 0.0f, wreck.position.z}, m_camera);
-        m_labels.push_back(Label{pos, base, depth});
+        const float length =
+            std::sqrt(
+                std::pow(pos.x - base.x, 2) +
+                std::pow(pos.y - base.y, 2));
+        m_labels.push_back(Label{pos, base, depth, length});
     }
     std::sort(m_labels.begin(), m_labels.end(), [](auto& a, auto& b){ return a.depth > b.depth; });
 }
@@ -63,17 +75,11 @@ View::draw() const
     DrawGrid(12, 1.0f);
     EndMode3D();
     for (const auto& point : m_labels) {
-        DrawLine(point.base.x, point.base.y, point.pos.x, point.pos.y, LIGHTGRAY);
-        DrawCircle(point.pos.x, point.pos.y, 3, RED);
+        if (point.length > 8)
+            DrawLine(point.base.x, point.base.y, point.pos.x, point.pos.y, DARKGRAY);
+        DrawTexture(m_texture, point.pos.x - 8, point.pos.y - 8, WHITE);
     }
     DrawFPS(5, 5);
-    int y = 25;
-    const int height = GetScreenHeight();
-    for (const auto& point : m_labels) {
-        DrawText(TextFormat("%5.1f x %5.1f x %5.1f", point.pos.x, point.pos.y, point.depth), 5, y, 10, DARKGRAY);
-        y += 10;
-        if (y > height)
-            break;
-    }
+    DrawText(TextFormat("%d", m_labels.size()), 5, 25, 20, DARKGRAY);
     EndDrawing();
 }
diff --git a/View.h b/View.h
index 1928726..e259132 100644
--- a/View.h
+++ b/View.h
@@ -12,6 +12,7 @@ class View
 {
 public:
     explicit View(std::vector<Grid> grids);
+    virtual ~View();
     void update(float dt);
     void draw() const;
 private:
@@ -20,4 +21,5 @@ private:
     std::vector<Label> m_labels;
     int m_grid;
     float m_timer;
+    Texture2D m_texture;
 };
diff --git a/main.cpp b/main.cpp
index c21aa0d..2116582 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,4 +1,4 @@
-#include <memory>
+#include <utility>
 
 #include <raylib.h>
 
@@ -11,15 +11,17 @@ int
 main(int argc, char* argv[])
 {
     InitWindow(800, 600, "Derelict");
-    SetWindowState(FLAG_WINDOW_RESIZABLE);
-    SetTargetFPS(60);
-    DumpSource source("sample.json");
-    auto grids = Reader::read(source);
-    View view(grids);
-    while (!WindowShouldClose())
     {
-        view.update(GetFrameTime());
-        view.draw();
+        SetWindowState(FLAG_WINDOW_RESIZABLE);
+        SetTargetFPS(60);
+        DumpSource source("sample.json");
+        auto grids = Reader::read(source);
+        View view(std::move(grids));
+        while (!WindowShouldClose())
+        {
+            view.update(GetFrameTime());
+            view.draw();
+        }
     }
     CloseWindow();
 }
-- 
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