From fc534fd8e1309525909112f1e269529d2f3f6798 Mon Sep 17 00:00:00 2001
From: Ludovic 'Archivist' Lagouardette <ludovic@nekoit.xyz>
Date: Mon, 2 Oct 2023 15:03:07 +0200
Subject: [PATCH] Handle rendering of Rigids

---
 source/game.d               |  5 ++++-
 source/utils/shapes.d       | 10 ++++++++++
 source/world/entity.d       |  7 +++++++
 source/world/package.d      |  7 +++++++
 source/world/rigid.d        | 25 +++++++++++++++++++++++++
 source/world/screen.d       |  9 +++++++++
 source/world/world_object.d | 12 ++++++++++++
 7 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 source/utils/shapes.d
 create mode 100644 source/world/entity.d
 create mode 100644 source/world/package.d
 create mode 100644 source/world/rigid.d
 create mode 100644 source/world/screen.d
 create mode 100644 source/world/world_object.d

diff --git a/source/game.d b/source/game.d
index 4c77d13..231e795 100644
--- a/source/game.d
+++ b/source/game.d
@@ -9,6 +9,7 @@ import std.format;
 import std.conv : to;
 import core.time;
 import toki.symbols;
+import world.screen;
 
 
 extern(C) __gshared string[] rt_options = [ "gcopt=initReserve:128 minPoolSize:256 parallel:2 profile:1" ];
@@ -17,6 +18,9 @@ int main(string[] args) {
 	try {
         InitWindow(800,600,"Unnamed project");
         log(LogLevel.INFOHIGH, "Window Initialized...");
+        Screen.x = Screen.y = 0;
+        Screen.width = Screen.px_width = 800;
+        Screen.height = Screen.px_height = 600;
         log(LogLevel.INFOHIGH, "Readying the engine...");
         GrEngine engine = new GrEngine();
         auto grstd = grLoadStdLibrary();
@@ -37,7 +41,6 @@ int main(string[] args) {
         engine.load(bytecode);
         log(LogLevel.INFOHIGH, "Go Hot Dog, Go...");
         engine.process();
-        Toki[] p = convert("toki pona");
 
         auto reference = MonoTime.currTime();
         auto deltaTime = 1f/60f;
diff --git a/source/utils/shapes.d b/source/utils/shapes.d
new file mode 100644
index 0000000..80dd14d
--- /dev/null
+++ b/source/utils/shapes.d
@@ -0,0 +1,10 @@
+module utils.shapes;
+
+public struct Vec2f {
+    float x,y;
+}
+
+public struct Rectf {
+    float x, y;
+    float width, height;
+}
\ No newline at end of file
diff --git a/source/world/entity.d b/source/world/entity.d
new file mode 100644
index 0000000..b0f5977
--- /dev/null
+++ b/source/world/entity.d
@@ -0,0 +1,7 @@
+module world.entity;
+
+import world.world_object;
+
+class Entity : WorldObject {
+
+}
\ No newline at end of file
diff --git a/source/world/package.d b/source/world/package.d
new file mode 100644
index 0000000..808dae5
--- /dev/null
+++ b/source/world/package.d
@@ -0,0 +1,7 @@
+module world;
+
+public {
+    import world.world_object;
+    import world.entity;
+    import world.rigid;
+}
\ No newline at end of file
diff --git a/source/world/rigid.d b/source/world/rigid.d
new file mode 100644
index 0000000..13d16d5
--- /dev/null
+++ b/source/world/rigid.d
@@ -0,0 +1,25 @@
+module world.rigid;
+
+import world.world_object;
+import world.screen;
+import raylib;
+import std.conv;
+
+class Rigid : WorldObject {
+    Texture2D sprite;
+
+    override void render(float) {
+        if(IsTextureReady(sprite)){
+            // Get position
+            int drawX = to!int(Screen.px_width*(position.x + hitbox.x - Screen.x)/Screen.width);
+            int drawY = to!int(Screen.px_height*(position.y + hitbox.y - Screen.y)/Screen.height);
+            float scale = Screen.px_height/Screen.height;
+
+            // Culling
+            if(drawX > Screen.width || drawX + sprite.width*scale < 0) return;
+            if(drawY > Screen.height || drawY + sprite.height*scale < 0) return;
+
+            DrawTextureEx(sprite, Vector2(drawX, drawY), 0, scale, Colors.WHITE);
+        }
+    }
+}
\ No newline at end of file
diff --git a/source/world/screen.d b/source/world/screen.d
new file mode 100644
index 0000000..36fd95f
--- /dev/null
+++ b/source/world/screen.d
@@ -0,0 +1,9 @@
+module world.screen;
+
+public ScreenT Screen;
+
+struct ScreenT {
+    float x,y;
+    float width, height;
+    int px_width, px_height;
+}
\ No newline at end of file
diff --git a/source/world/world_object.d b/source/world/world_object.d
new file mode 100644
index 0000000..a3e7b9e
--- /dev/null
+++ b/source/world/world_object.d
@@ -0,0 +1,12 @@
+module world.world_object;
+
+import utils.shapes;
+
+
+class WorldObject {
+    public Vec2f position;
+    public Rectf hitbox;
+
+    void update(float deltaTime);
+    void render(float deltaTime);
+}
\ No newline at end of file