From bd26db954e14d2196c4f8a83d1fbf09c87c66ef9 Mon Sep 17 00:00:00 2001
From: Krow Savcik <krow@savcik.xyz>
Date: Sun, 31 Dec 2023 15:28:42 +0200
Subject: feature: line toggling

Added line toggling with 'T'
---
 README.md |  1 +
 draw.c    | 26 ++++++++++++++++----------
 draw.h    |  2 +-
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 0aabdca..c819c30 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ Controls
 
 - **W,A,S,D** for moving.
 - **M** for toggling mouse-lock.
+- **T** for toggling line drawing.
 - **arrows** for rotating camera.
 - **J,K** for moving vertically.
 - **I** for object importing.
diff --git a/draw.c b/draw.c
index 9e79b93..9b703be 100644
--- a/draw.c
+++ b/draw.c
@@ -6,8 +6,9 @@
 #include "sim.h"
 
 /*#define SHADOW*/
-#define TRIANGLELINES
-#define MAXTRIANGLE 2048
+/*#define TRIANGLELINES*/
+int drawlines;
+#define MAXTRIANGLE (1<<16)
 #define MIN(a,b)	(((a) < (b)) ? (a) : (b))
 #define MAX(a,b)	(((a) > (b)) ? (a) : (b))
 #define INTTOCOL(C)         (C>>16), ((C>>8)%256), (C%256)
@@ -112,7 +113,10 @@ void
 redo_obj()
 {
 	tgs_cnt = 0;
-	add_obj("obj/car.obj", P(0,0,0));
+/*	add_obj("obj/car.obj", P(0,0,0));*/
+/*	add_obj("obj/peach.obj", P(0,0,0));*/
+/*	add_obj("obj/toad.obj", P(20,0,0));*/
+	add_obj("obj/psyduck.obj", P(0,0,0));
 }
 
 void
@@ -230,6 +234,8 @@ draw_triangle(Point x, Point y, Point z)
 	mny = MIN(a.y, MIN(b.y, c.y));
 	mxy = MAX(a.y, MAX(b.y, c.y));
 
+/*	if (mnx < 0 || mxx >= w || mny < 0 || mxy >= h) return;*/
+
 	/* Fake depth :> */
 
 	for(i = MAX(mnx, 0); i <= MIN(mxx, w-1); ++i) {
@@ -247,13 +253,13 @@ draw_triangle(Point x, Point y, Point z)
 	}
 
 	SDL_RenderDrawPoints(ren, pts_queue, pts_queue_cnt);
-#ifdef TRIANGLELINES
-	SDL_SetRenderDrawColor(ren, 0xff, 0xff, 0xff, 0xff);
-	SDL_SetRenderDrawColor(ren, 0x00, 0x00, 0x00, 0xff);
-	SDL_RenderDrawLine(ren, a.x, a.y, b.x, b.y);
-	SDL_RenderDrawLine(ren, c.x, c.y, b.x, b.y);
-	SDL_RenderDrawLine(ren, a.x, a.y, c.x, c.y);
-#endif
+	if (drawlines) {
+/*		SDL_SetRenderDrawColor(ren, 0xff, 0xff, 0xff, 0xff);*/
+		SDL_SetRenderDrawColor(ren, 0x00, 0x00, 0x00, 0xff);
+		SDL_RenderDrawLine(ren, a.x, a.y, b.x, b.y);
+		SDL_RenderDrawLine(ren, c.x, c.y, b.x, b.y);
+		SDL_RenderDrawLine(ren, a.x, a.y, c.x, c.y);
+	}
 }
 
 void
diff --git a/draw.h b/draw.h
index 779f23e..e33ebd9 100644
--- a/draw.h
+++ b/draw.h
@@ -3,4 +3,4 @@ int draw_init();
 void add_obj_interactive();
 void redo_obj();
 
-extern int w, h;
+extern int w, h, drawlines;
-- 
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