From 1df46f732b9cafb458404dc089906a420b2c1286 Mon Sep 17 00:00:00 2001
From: NepDisk <nepdisk@noreply.codeberg.org>
Date: Sat, 5 Jul 2025 20:34:41 -0400
Subject: [PATCH]  Grand Prix Rank Points Hook

Yes this is my own MR lmao https://git.do.srb2.org/KartKrew/RingRacers/-/merge_requests/122
---
 src/k_grandprix.c |  3 +++
 src/lua_hook.h    |  2 ++
 src/lua_hooklib.c | 24 ++++++++++++++++++++++++
 3 files changed, 29 insertions(+)

diff --git a/src/k_grandprix.c b/src/k_grandprix.c
index a573383e6..74bfd4776 100644
--- a/src/k_grandprix.c
+++ b/src/k_grandprix.c
@@ -19,6 +19,7 @@
 #include "k_kart.h"
 #include "m_random.h"
 #include "r_things.h"
+#include "lua_hook.h" // LUA_HookGPRankPoints
 
 struct grandprixinfo grandprixinfo;
 
@@ -67,6 +68,8 @@ INT16 K_CalculateGPRankPoints(UINT8 position, UINT8 numplayers)
 		points = 0;
 	}
 
+	LUA_HookGPRankPoints(position, numplayers, &points);
+
 	return points;
 }
 
diff --git a/src/lua_hook.h b/src/lua_hook.h
index ea0dedd0c..eb0db2a0f 100644
--- a/src/lua_hook.h
+++ b/src/lua_hook.h
@@ -82,6 +82,7 @@ automatically.
 	X (PlayerCmd),/* building the player's ticcmd struct */\
 	X (MusicChange),\
 	X (VoteThinker),/* Y_VoteTicker */\
+	X (GPRankPoints),/* K_CalculateGPRankPoints */\
 	X (AddonLoaded),\
 
 #define STRING_HOOK_LIST(X) \
@@ -163,6 +164,7 @@ int  LUA_HookNameChange(player_t *plr, const char *name);
 int  LUA_HookTeamSwitch(player_t *, int newteam, boolean fromspectators, boolean tryingautobalance, boolean tryingscramble);
 int  LUA_HookViewpointSwitch(player_t *player, player_t *newdisplayplayer, boolean forced);
 int  LUA_HookSeenPlayer(player_t *player, player_t *seenfriend);
+int LUA_HookGPRankPoints(UINT8 position, UINT8 numplayers, INT16 *points);
 int  LUA_HookShouldJingleContinue(player_t *, const char *musname);
 int  LUA_HookMusicChange(const char *oldname, struct MusicChange *);
 
diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c
index d4ab6412a..7c7c06a82 100644
--- a/src/lua_hooklib.c
+++ b/src/lua_hooklib.c
@@ -1138,6 +1138,30 @@ int LUA_HookShouldJingleContinue(player_t *player, const char *musname)
 	return hook.status;
 }
 
+static void res_gprankpoints(Hook_State *hook)
+{
+	if (!lua_isnil(gL, -1))
+	{
+		INT16 *points = (INT16*)hook->userdata;
+		*points = lua_tointeger(gL, -1);
+		hook->status = true;
+	}
+}
+
+int LUA_HookGPRankPoints(UINT8 position, UINT8 numplayers, INT16 *points)
+{
+	Hook_State hook;
+	if (prepare_hook(&hook, 0, HOOK(GPRankPoints)))
+	{
+		hook.userdata = points;
+		lua_pushinteger(gL, position);
+		lua_pushinteger(gL, numplayers);
+		lua_pushinteger(gL, *points);
+		call_hooks(&hook, 1, res_gprankpoints);
+	}
+	return hook.status;
+}
+
 boolean hook_cmd_running = false;
 
 static void update_music_name(struct MusicChange *musicchange)