From 8f972d972dd125ca14bd51261c58650b09bac18e Mon Sep 17 00:00:00 2001
From: Raimon Zamora <jaildoctor@gmail.com>
Date: Sun, 28 Sep 2025 13:48:56 +0200
Subject: [PATCH] - Ja funciona que cada sector tinga una altura de sostre
 diferent

---
 main.cpp | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/main.cpp b/main.cpp
index 07fc972..7f7af16 100644
--- a/main.cpp
+++ b/main.cpp
@@ -162,7 +162,7 @@ void createMap()
     {
         sector s;
         s.floor_height = 0.0f;
-        s.ceiling_height = 128.0f;
+        s.ceiling_height = 64.0f;
 
         s.verts.push_back({256.0f,   0.0f});
         s.verts.push_back({ 64.0f,   0.0f});
@@ -222,12 +222,14 @@ void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, v
         float v = dot(AP,AB) / dot(AB,AB); v *= w->u2; v = (v-int(v))*tex_height;
         
         float wall_height = (sector_height*277)/dist; // [64=altura sector]
+        float wall_cut = 0.0f;
         float dpix = tex_height/wall_height; // [64=crec que altura sector]
         float cpix = 0;
         float wall_start = 120-(wall_height/sector_height)*(sector_height-(height-s.floor_height)); // [64=els dos crec que altura sector]
         if (wall_start<start) {
-            cpix = (start-wall_start)*dpix;
-            wall_height -= (start-wall_start);
+            wall_cut = start-wall_start;
+            cpix = wall_cut*dpix;
+            wall_height -= wall_cut;
             wall_start=start;
         }
 
@@ -250,6 +252,22 @@ void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, v
                 cpix += dpix;
             }
         } else {
+            if (sectors[w->portal].ceiling_height < s.ceiling_height)
+            {
+                float upper_height = s.ceiling_height - sectors[w->portal].ceiling_height;
+                float upper_wall_height = (upper_height*277)/dist;
+                upper_wall_height -= wall_cut;
+                if (upper_wall_height>0.0f)
+                {
+                    // Pinta la pared
+                    for (int i=0; i<upper_wall_height; ++i) {
+                        if (wall_start+i>=end) break;
+                        putp(screen_column, wall_start+i, gif[(int(v)%tex_height)+int(cpix)*tex_height]);
+                        cpix += dpix;
+                    }
+                    wall_start += upper_wall_height;
+                }
+            }
             const int wall_end = SDL_min(wall_start+wall_height+1, 240);
             drawColumn(sectors[w->portal], screen_column, wall_start, wall_end, a_inc, infi);
         }