From 748711b0732e42274f582310b116e59c1493ebb4 Mon Sep 17 00:00:00 2001
From: LoneWolfHT <lonewolf04361@gmail.com>
Date: Wed, 2 Dec 2020 12:09:22 -0800
Subject: [PATCH] Add on_fire knockback and a few tweaks to guns

---
 shooter/api.lua       | 10 ++++++++++
 shooter_guns/init.lua |  7 +++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/shooter/api.lua b/shooter/api.lua
index 9b14679..34e9fc4 100644
--- a/shooter/api.lua
+++ b/shooter/api.lua
@@ -386,6 +386,15 @@ local function fire_weapon(player, itemstack, spec, extended)
 	if not dir or not pos then
 		return
 	end
+
+	if spec.user_knockback then
+		if vector.distance(player:get_velocity(), vector.new()) < 10 then
+			local vel = vector.multiply(minetest.yaw_to_dir(player:get_look_horizontal()), -spec.user_knockback)
+			vel.y = spec.user_knockback/2
+			player:add_player_velocity(vel)
+		end
+	end
+
 	pos.y = pos.y + player:get_properties().eye_height
 	spec.origin = pos
 	local interval = spec.tool_caps.full_punch_interval
@@ -449,6 +458,7 @@ shooter.fire_weapon = function(player, itemstack, spec)
 		end
 		shooting[name] = true
 	end
+
 	spec.user = name
 	spec.name = itemstack:get_name()
 	spec.wield_idx = player:get_wield_index()
diff --git a/shooter_guns/init.lua b/shooter_guns/init.lua
index 1326bff..7ce1699 100644
--- a/shooter_guns/init.lua
+++ b/shooter_guns/init.lua
@@ -42,6 +42,7 @@ shooter.register_weapon("shooter_guns:rifle", {
 	description = "Rifle",
 	inventory_image = "shooter_rifle.png",
 	spec = {
+		user_knockback = 4,
 		rounds = 100,
 		range = 240,
 		step = 30,
@@ -64,12 +65,13 @@ shooter.register_weapon("shooter_guns:shotgun", {
 	description = "Shotgun",
 	inventory_image = "shooter_shotgun.png",
 	spec = {
+		user_knockback = 12,
 		rounds = 12,
 		range = 30,
 		step = 15,
 		shots = 15,
 		spread = 10,
-		tool_caps = {full_punch_interval=1, damage_groups={fleshy=2, ranged=1}},
+		tool_caps = {full_punch_interval=1.5, damage_groups={fleshy=2, ranged=1}},
 		groups = {snappy=3, fleshy=3, oddly_breakable_by_hand=3},
 		sounds = {
 			shot = "shooter_shotgun",
@@ -88,7 +90,8 @@ shooter.register_weapon("shooter_guns:machine_gun", {
 	inventory_image = "shooter_smgun.png",
 	spec = {
 		automatic = true,
-		rounds = 32,
+		user_knockback = 2,
+		rounds = 42,
 		range = 160,
 		step = 20,
 		tool_caps = {full_punch_interval=0.1, damage_groups={fleshy=2, ranged=1}},