From 93df28e39625f70936e2b1022a2d8908b6608e71 Mon Sep 17 00:00:00 2001
From: UberGames <admin@ubergames.org>
Date: Sun, 24 Jul 2011 13:27:57 +0200
Subject: [PATCH] Finished lua trace library. Needs testing ...

---
 game/lua_trace.c | 130 ++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 122 insertions(+), 8 deletions(-)

diff --git a/game/lua_trace.c b/game/lua_trace.c
index cc70b5b..50406b1 100644
--- a/game/lua_trace.c
+++ b/game/lua_trace.c
@@ -31,21 +31,135 @@ static int Trace_ToString(lua_State * L)
 	return 1;
 }
 
+static int Trace_DoTrace(lua_State *L) {
+	trace_t *tr;
+	vec_t *start, *end, *mins = NULL, *maxs = NULL;
+	int passEnt, contents;
+
+	start = Lua_GetVector(L, 1);
+	if(!lua_isnil(L, 2))
+		mins = Lua_GetVector(L, 2);
+	if(!lua_isnil(L, 3))
+		maxs = Lua_GetVector(L, 3);
+	end = Lua_GetVector(L, 4);
+	passEnt = (int)luaL_checknumber(L, 5);
+	contents = (int) luaL_checknumber(L, 6);
+
+	tr = (trace_t *)malloc(sizeof(trace_t));
+	if(!tr) {
+		LUA_DEBUG("Trace_DoTrace - was unable to allocate a trace_t.\n");
+		lua_pushnil(L);
+		return 1;
+	}
+
+	trap_Trace(tr, start, mins, maxs, end, passEnt, contents);
+
+	Lua_PushTrace(L, tr);
+
+	return 1;
+}
+
+static int Trace_FreeTrace(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	if(tr && tr->tr)
+		free(tr->tr);
+
+	return 1;
+}
+
+static int Trace_GetAllsolid(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	lua_pushboolean(L, (int)tr->tr->allsolid);
+
+	return 1;
+}
+
+static int Trace_GetStartsolid(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	lua_pushboolean(L, (int)tr->tr->startsolid);
+
+	return 1;
+}
+
+static int Trace_GetFraction(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	lua_pushnumber(L, tr->tr->fraction);
+
+	return 1;
+}
+
+static int Trace_GetEndpos(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	Lua_PushVector(L, tr->tr->endpos);
+
+	return 1;
+}
+
+static int Trace_GetSurfaceFlags(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	lua_pushnumber(L, tr->tr->surfaceFlags);
+
+	return 1;
+}
+
+static int Trace_GetContents(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	lua_pushnumber(L, tr->tr->contents);
+
+	return 1;
+}
+
+static int Trace_GetEntityNum(lua_State *L) {
+	ltrace_t *tr;
+
+	tr = Lua_GetTrace(L, 1);
+	lua_pushnumber(L, tr->tr->entityNum);
+
+	return 1;
+}
+
+static int Trace_GetEntity(lua_State *L) {
+	ltrace_t *tr;
+	gentity_t *ent;
+
+	tr = Lua_GetTrace(L, 1);
+	ent = &g_entities[tr->tr->entityNum];
+	Lua_PushEntity(L, ent);
+
+	return 1;
+}
+
 static const luaL_Reg lib_trace[] = {
-	//{"DoTrace", Trace_DoTrace},
+	{"DoTrace", Trace_DoTrace},
+	{"FreeTrace", Trace_FreeTrace},
 	{NULL, NULL}
 };
 
 static const luaL_Reg Trace_meta[] = {
 	{"__gc", Trace_GC},
 	{"__tostring", Trace_ToString},
-	//{"GetAllsolid", Trace_GetAllsolid},
-	//{"GetStartsolid", Trace_GetStartsolid},
-	//{"GetFraction", Trace_GetFraction},
-	//{"GetEndpos", Trace_GetEndpos},
-	//{"GetSurfaceFlags", Trace_GetSurfaceFlags},
-	//{"GetContents", Trace_GetContents},
-	//{"GetEntityNum", Trace_GetEntityNum},
+	{"GetAllsolid", Trace_GetAllsolid},
+	{"GetStartsolid", Trace_GetStartsolid},
+	{"GetFraction", Trace_GetFraction},
+	{"GetEndpos", Trace_GetEndpos},
+	{"GetSurfaceFlags", Trace_GetSurfaceFlags},
+	{"GetContents", Trace_GetContents},
+	{"GetEntityNum", Trace_GetEntityNum},
+	{"GetEntity", Trace_GetEntity},
 	{NULL, NULL}
 };