1 files changed, 20 insertions, 9 deletions
diff --git a/src/scene.cpp b/src/scene.cpp
index b52553a..f69398d 100644
--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -1,21 +1,13 @@
 #include "scene.hpp"
-#include <memory>
 
 Scene::Scene() {
   directional_light = {0, 0, -1};
   viewport_dimension = {2, 3};
-  scene_dimension = {SCREEN_WIDTH, SCREEN_HEIGHT};
+  scene_dimension = {SCREEN_WIDTH / 2, SCREEN_HEIGHT};
 
   z_plane = int2fx(1);
 }
 
-void Scene::render() {
-  auto this_ptr = std::make_shared<Scene>(this);
-  for (auto renderable : renderables) {
-    renderable.render(this_ptr);
-  }
-}
-
 POINT Scene::project_2d(VECTOR vertex) {
   POINT pt = {0, 0};
 
@@ -27,3 +19,22 @@ POINT Scene::project_2d(VECTOR vertex) {
 
   return pt;
 }
+
+POINT Scene::viewport_to_scene(POINT p) {
+  FIXED x = fxmul(
+      p.x, (std::get<0>(scene_dimension) / std::get<0>(viewport_dimension))
+               << FIX_SHIFT);
+  FIXED y = fxmul(
+      p.y, (std::get<1>(scene_dimension) / std::get<1>(viewport_dimension))
+               << FIX_SHIFT);
+  return {x, y};
+}
+
+void Scene::draw_line(POINT p0, POINT p1, std::uint8_t pal_idx) {
+  POINT scene_p0 = viewport_to_scene(p0);
+  POINT scene_p1 = viewport_to_scene(p1);
+
+  std::uint16_t pixels = (pal_idx << 8) | pal_idx;
+  bmp16_line(scene_p0.x, scene_p0.y, scene_p1.x, scene_p1.y, pixels, vid_page,
+             M4_WIDTH);
+}