From cd09b335f700ccbac9d3753e32cdda2c68d4f7b7 Mon Sep 17 00:00:00 2001
From: Meetric <73554599+meetric1@users.noreply.github.com>
Date: Fri, 26 Jul 2024 19:52:22 -0400
Subject: [PATCH] fix majority of particle clipping issues

---
 binary/src/flex_solver.cpp   |  6 +++---
 binary/src/main.cpp          |  6 +++---
 lua/autorun/gwater2_init.lua | 10 +++++++++-
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/binary/src/flex_solver.cpp b/binary/src/flex_solver.cpp
index 247224c..8195a9d 100644
--- a/binary/src/flex_solver.cpp
+++ b/binary/src/flex_solver.cpp
@@ -353,8 +353,8 @@ FlexSolver::FlexSolver(NvFlexLibrary* library, int particles) {
 	params->shockPropagation = 0.0f;
 	params->restitution = 0.0f;
 
-	params->maxSpeed = 1e10;
-	params->maxAcceleration = 200.0f;
+	params->maxSpeed = 1e5;
+	params->maxAcceleration = 1e5;
 	params->relaxationMode = eNvFlexRelaxationLocal;
 	params->relaxationFactor = 0.25f;	// only works with eNvFlexRelaxationGlobal
 	params->solidPressure = 0.5f;
@@ -367,7 +367,7 @@ FlexSolver::FlexSolver(NvFlexLibrary* library, int particles) {
 	params->diffuseThreshold = 100.f;
 	params->diffuseBuoyancy = 1.f;
 	params->diffuseDrag = 0.8f;
-	params->diffuseBallistic = 0;
+	params->diffuseBallistic = 2;
 	params->diffuseLifetime = 5.f;	// not actually in seconds
 
 	params->numPlanes = 0;
diff --git a/binary/src/main.cpp b/binary/src/main.cpp
index 7a392ad..b1a7876 100644
--- a/binary/src/main.cpp
+++ b/binary/src/main.cpp
@@ -506,9 +506,9 @@ LUA_FUNCTION(FLEXSOLVER_AddCube) {
 LUA_FUNCTION(FLEXSOLVER_AddForceField) {
 	LUA->CheckType(1, FLEXSOLVER_METATABLE);
 	LUA->CheckType(2, Type::Vector);
-	LUA->CheckNumber(3);
-	LUA->CheckNumber(4);
-	LUA->CheckNumber(5);
+	LUA->CheckNumber(3);	// radius
+	LUA->CheckNumber(4);	// strength
+	LUA->CheckNumber(5);	// mode
 	LUA->CheckType(6, Type::Bool);
 
 	FlexSolver* flex = GET_FLEXSOLVER(1);
diff --git a/lua/autorun/gwater2_init.lua b/lua/autorun/gwater2_init.lua
index d536953..2f87ead 100644
--- a/lua/autorun/gwater2_init.lua
+++ b/lua/autorun/gwater2_init.lua
@@ -190,10 +190,18 @@ end)
 hook.Add("InitPostEntity", "gwater2_addprop", gwater2.reset_solver)
 hook.Add("OnEntityCreated", "gwater2_addprop", function(ent) timer.Simple(0, function() add_prop(ent) end) end)	// timer.0 so data values are setup correctly
 
-hook.Add("gwater2_pretick", "gravgun", function()
+hook.Add("gwater2_pretick", "gwater2_gravgun_grab", function()
 	local lp = LocalPlayer()
 	if !lp:KeyDown(IN_ATTACK2) then return end
 	if IsValid(LocalPlayer():GetActiveWeapon()) and LocalPlayer():GetActiveWeapon():GetClass() == "weapon_physcannon" then
 		gwater2.solver:AddForceField(LocalPlayer():EyePos() + LocalPlayer():GetAimVector() * 170, 150, -200, 0, true)
 	end
+end)
+
+hook.Add("Think", "gwater2_gravgun_punt", function()	-- + LocalPlayer():GetAimVector() * 85
+	local lp = LocalPlayer()
+	if !lp:KeyPressed(IN_ATTACK) then return end
+	if IsValid(LocalPlayer():GetActiveWeapon()) and LocalPlayer():GetActiveWeapon():GetClass() == "weapon_physcannon" then
+		gwater2.solver:AddForceField(LocalPlayer():EyePos(), 300, 100, 1, false)
+	end
 end)
\ No newline at end of file