Simplified toggle behavior for button inputs, and added an option to toggle texturing with the circle button.

display.c

@@ -45,6 +45,7 @@ u_long *curOT;
 VECTOR aspect_scale = { SCREENWIDTH * ONE / 320, ONE, ONE };
 
 u_short polyCount;
+u_char enableTexturing = 1;
 
 void display_init()
 {

display.h

@@ -11,6 +11,7 @@ extern MATRIX vp_matrix;
 extern u_long *curOT;
 
 extern u_short polyCount;
+extern u_char enableTexturing;
 
 void display_init();
 void display_reset(int mode, u_char interlaced, u_char widescreen, int *outScreenHeight);

input.c

@@ -6,15 +6,14 @@
 #include <psxpad.h>
 
 static u_char padBuffer[2][34];
+static u_short prevButtons = 0xFFFF;
 
 static const int moveSpeed = 1024;
 static const short rotSpeed = 1024;
 static const char deadZone = 0x30;
 
 static u_char dispmode = 0;
-static u_char dispmode_held = 0;
 static u_char widescreen = 0;
-static u_char widescreen_held = 0;
 
 void input_init()
 {
@@ -96,33 +95,21 @@ void input_process()
 		// Look up
 		cam_rot.vx += rotInterval;
 	}
-    if (!(buttons & PAD_SELECT))
+    if (!(buttons & PAD_SELECT) && (prevButtons & PAD_SELECT))
     {
         // Switch display mode
-        if (!dispmode_held)
-        {
-            dispmode_held = 1;
 		//dispmode = (dispmode + 1) & 0x3;
 		//display_reset(!!(dispmode & 2), !!(dispmode & 1), widescreen, NULL);
 		display_reset(!GetVideoMode(), 0, widescreen, NULL);
     }
-    }
-    else
-    {
-        dispmode_held = 0;
-    }
-    if (!(buttons & PAD_START))
+    if (!(buttons & PAD_START) && (prevButtons & PAD_START))
     {
-        if (!widescreen_held)
-        {
-            widescreen_held = 1;
 		widescreen = !widescreen;
 		display_reset(GetVideoMode(), 0, widescreen, NULL);
     }
-    }
-    else
+	if (!(buttons & PAD_CIRCLE) && (prevButtons & PAD_CIRCLE))
 	{
-        widescreen_held = 0;
+		enableTexturing = !enableTexturing;
 	}
 	
 	// Check for analog controller
@@ -153,4 +140,6 @@ void input_process()
 		// Look up/down
 		cam_rot.vx -= (rightJoyY * rotInterval) >> 7;
 	}
+
+	prevButtons = buttons;
 }

world.c

@@ -304,7 +304,7 @@ static void world_drawface(const world_t *world, const ps1bsp_face_t *face)
     if ((dot >= 0) ^ face->side)
         return;
 
-    if (0)
+    if (!enableTexturing)
     {
         // Draw untextured, vertex colored polygons
         SVECTOR *vecs = (SVECTOR*)(scratchpad + 256);