From 027b973d7550ac2e72e5de1e2155e26b35f16353 Mon Sep 17 00:00:00 2001
From: tslil clingman <>
Date: Sun, 12 Sep 2021 00:17:24 -0400
Subject: More efficient surface rendering!

Now, outside of sprites, every pixel on the screen is draw at most
once. Hoorah. Unfortunately things still seem to be a little slow,
perhaps its the z_buffer access or the fact that vertical floor slice
drawing is bad?
---
 src/main.zig | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

(limited to 'src/main.zig')

diff --git a/src/main.zig b/src/main.zig
index 218ba92..c44b5e6 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -55,7 +55,7 @@ pub fn main() !void {
     }
 
     map.cells.items[16 * 7 + 7] = level.Cell{ .height = constants.MAX_HEIGHT, .wall_texture = 1 };
-    map.cells.items[16 * 7 + 6] = level.Cell{ .height = constants.MAX_HEIGHT / 4, .wall_texture = 1, .floor_texture = 0 };
+    map.cells.items[16 * 7 + 6] = level.Cell{ .height = constants.MAX_HEIGHT / 4, .wall_texture = 1, .floor_texture = 1 };
 
     try map.objects.append(level.Object{ .pos_x = 5.5, .pos_y = 7.5, .pos_z = 1, .texture = 2, .height = 1, .width = 1 });
     try map.objects.append(level.Object{ .pos_x = 4, .pos_y = 8.5, .texture = 1, .height = 1, .width = 1 });
@@ -103,18 +103,18 @@ pub fn main() !void {
     defer objects_sprite.destroy();
 
     // Load floor image
-    var floors_image = try sf.Image.createFromFile("floors.png");
-    defer floors_image.destroy();
+    var surfaces_image = try sf.Image.createFromFile("surfaces.png");
+    defer surfaces_image.destroy();
 
-    var rendered_floors_texture = try sf.Texture.create(.{ .x = constants.PlaneWidth, .y = constants.PlaneHeight });
-    defer rendered_floors_texture.destroy();
-    rendered_floors_texture.setSmooth(false);
+    var rendered_surfaces_texture = try sf.Texture.create(.{ .x = constants.PlaneWidth, .y = constants.PlaneHeight });
+    defer rendered_surfaces_texture.destroy();
+    rendered_surfaces_texture.setSmooth(false);
 
-    var rendered_floors_sprite = try sf.Sprite.createFromTexture(rendered_floors_texture);
-    defer rendered_floors_sprite.destroy();
+    var rendered_surfaces_sprite = try sf.Sprite.createFromTexture(rendered_surfaces_texture);
+    defer rendered_surfaces_sprite.destroy();
 
-    rendered_floors_sprite.setPosition(.{ .x = 0, .y = 0 });
-    rendered_floors_sprite.setScale(.{ .x = constants.HFact, .y = constants.VFact });
+    rendered_surfaces_sprite.setPosition(.{ .x = 0, .y = 0 });
+    rendered_surfaces_sprite.setScale(.{ .x = constants.HFact, .y = constants.VFact });
 
     // Start your engines!
     //--------------------------------------------------------------------------
@@ -169,9 +169,9 @@ pub fn main() !void {
             window,
             walls_sprite,
             objects_sprite,
-            floors_image,
-            rendered_floors_texture,
-            rendered_floors_sprite,
+            surfaces_image,
+            rendered_surfaces_texture,
+            rendered_surfaces_sprite,
             map,
         );
 
-- 
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