From 9e3f627378645774427a184b530b33bcec59a459 Mon Sep 17 00:00:00 2001
From: PinguLinux <alefunkyextra@gmail.com>
Date: Tue, 22 Oct 2024 11:59:27 +0200
Subject: [PATCH] Another try to fix slopes

---
 SAUCE/functions/collision.h  | 15 +++++++++++----
 SAUCE/functions/x_movement.h |  4 ++--
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/SAUCE/functions/collision.h b/SAUCE/functions/collision.h
index aefe7557..2f2a15e5 100644
--- a/SAUCE/functions/collision.h
+++ b/SAUCE/functions/collision.h
@@ -343,6 +343,10 @@ char bg_side_coll_common() {
 		}	
 		dblocked[currplayer] = 0;
 		if (was_on_slope_counter) return 0;
+	} else {
+		if (bg_coll_slope()) {
+			high_byte(currplayer_y) += (high_byte(currplayer_vel_y) & 0x80 ? 2 : -2);
+		}
 	}
 
 	bg_coll_spikes();
@@ -442,15 +446,18 @@ char bg_coll_slope() {
 	tmp8 = (temp_y) & 0x0f;
 	switch (collision) {
 		case COL_NO_SIDE:
+			
 			return 1;
 			
 		// 45 degrees
 
 		case COL_ALL:
-			if (was_on_slope_counter && gamemode == 6) {
-				high_byte(currplayer_y) -= (currplayer_gravity ? -2 : 2);
+			if (was_on_slope_counter | slope_frames) {
+				high_byte(currplayer_y) += (high_byte(currplayer_y) - player_old_posy[1] & 0x80 ? high_byte(currplayer_vel_x) : -high_byte(currplayer_vel_x));
+				return 1;
 			}
-			return 0;		
+			return 0;
+			
 
 		case COL_SLOPE_LU45:
 			tmp7 = (temp_x & 0x0f);	// = 0x0F - (temp_x & 0x0F)
@@ -619,7 +626,7 @@ char bg_coll_slope() {
 	if ((uint8_t)(tmp4) >= tmp7) {
 			tmp8 = tmp4 - tmp7 + (mini ? 2 : ((slope_type == SLOPE_66DEG_UP) ? 1 : 0));
 			
-			if (controllingplayer->a && gamemode != 6) {
+			if (controllingplayer->a && (gamemode == 0 || gamemode == 4)) {
 				slope_frames = 0;
 				slope_type = 0;
 			} else {
diff --git a/SAUCE/functions/x_movement.h b/SAUCE/functions/x_movement.h
index f80db2f4..4bc547e9 100644
--- a/SAUCE/functions/x_movement.h
+++ b/SAUCE/functions/x_movement.h
@@ -29,8 +29,8 @@ void x_movement_coll() {
 	// we we're on an slope and now we aren't, so push the player upwards a bit
 		tmp8 = slope_type;
 		slope_exit_vel();
-		if (!(slope_type & 0b1000)) {
-			if (!(slope_type & 1)) {
+		if ((slope_type & 1)) {
+			if ((slope_type & 0b1000)) {
 				currplayer_vel_y = tmp5 + 0x200;
 			} else {
 				currplayer_vel_y = (tmp5 + 0x200)^0xFFFF;