From c99987bce4a946ad9a22cef8ecd170700ea2db6a Mon Sep 17 00:00:00 2001
From: Samuel Walker <swalker@piwalker.net>
Date: Sun, 1 Sep 2024 09:00:05 -0600
Subject: [PATCH] did stuff

---
 src/main.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index ac7559e..6cc78c2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -13,6 +13,7 @@
 #define SCREEN_TILES_Y 28
 #define TILE_EMPTY 0
 #define TILE_FILLED 1
+#define TILE_GREEN 4
 #define MAP_WIDTH 10
 #define MAP_HEIGHT 10
 #define WALL_HEIGHT_SCALE FIX16(1)
@@ -141,11 +142,13 @@ void castRay(s16 angle, s16 column){
       dof += 1;
     }
   }
+  u8 tile = TILE_FILLED;
   fix16 shortestDist = distH;
   if(distV < distH){
     shortestDist = distV;
     l.pt2.x = fix16ToInt(vx);
     l.pt2.y = fix16ToInt(vy);
+    tile = TILE_GREEN;
   }else {
     l.pt2.x = fix16ToInt(hx);
     l.pt2.y = fix16ToInt(hy);
@@ -154,7 +157,7 @@ void castRay(s16 angle, s16 column){
 
   //Wall height calcs
   shortestDist = fix16Sqrt(shortestDist);
-  shortestDist = fix16Mul(dx, shortestDist);
+  //shortestDist = fix16Mul(dx, shortestDist);
   if(shortestDist < 0){
     shortestDist = -shortestDist;
   }
@@ -170,9 +173,9 @@ void castRay(s16 angle, s16 column){
   u16 tileHeight = tileBottom - tileTop + 1;
   for (int yTile = 0; yTile <= SCREEN_TILES_Y; yTile++) {
     if(yTile >= tileTop && yTile <= tileBottom){
-      VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL1, 0, FALSE, FALSE, TILE_FILLED), column, yTile);
+      VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL0, 0, FALSE, FALSE, tile), column, yTile);
     }else{
-      VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL1, 0, FALSE, FALSE, TILE_EMPTY), column, yTile);
+      VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL0, 0, FALSE, FALSE, TILE_EMPTY), column, yTile);
     }
   }
 }
@@ -289,6 +292,7 @@ int main() {
     SYS_disableInts();
     VDP_setPlaneSize(64, 32, TRUE);
     SYS_enableInts();
+    PAL_setColor(13, RGB24_TO_VDPCOLOR(0x00ff00));
     PAL_setColor(14, RGB24_TO_VDPCOLOR(0x1c1c14));
     PAL_setColor(15, RGB24_TO_VDPCOLOR(0x17ffe8));
     VDP_setBackgroundColor(14);
@@ -296,6 +300,9 @@ int main() {
     // Initialize and upload tile data for TILE_EMPTY and TILE_FILLED
     initTileBuffer(15); // Color for TILE_FILLED
     VDP_loadTileData(tileBuffer, TILE_FILLED, 1, DMA);
+
+    initTileBuffer(13); // Color for TILE_FILLED
+    VDP_loadTileData(tileBuffer, TILE_GREEN, 1, DMA);
     
     initTileBuffer(0); // Color for TILE_EMPTY
     VDP_loadTileData(tileBuffer, TILE_EMPTY, 1, DMA);