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lua/effects/simfphys_engine_fire.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+EFFECT.GlowMat = Material( "sprites/light_glow02_add" )
+EFFECT.FireMat = {
+	[1] = Material( "effects/lvs_base/flamelet1" ),
+	[2] = Material( "effects/lvs_base/flamelet2" ),
+	[3] = Material( "effects/lvs_base/flamelet3" ),
+	[4] = Material( "effects/lvs_base/flamelet4" ),
+	[5] = Material( "effects/lvs_base/flamelet5" ),
+	[6] = Material( "effects/lvs_base/fire" ),
+}
+
+EFFECT.SmokeMat = {
+	[1] = Material( "particle/smokesprites_0001" ),
+	[2] = Material( "particle/smokesprites_0002" ),
+	[3] = Material( "particle/smokesprites_0003" ),
+	[4] = Material( "particle/smokesprites_0004" ),
+	[5] = Material( "particle/smokesprites_0005" ),
+	[6] = Material( "particle/smokesprites_0006" ),
+	[7] = Material( "particle/smokesprites_0007" ),
+	[8] = Material( "particle/smokesprites_0008" ),
+	[9] = Material( "particle/smokesprites_0009" ),
+	[10] = Material( "particle/smokesprites_0010" ),
+	[11] = Material( "particle/smokesprites_0011" ),
+	[12] = Material( "particle/smokesprites_0012" ),
+	[13] = Material( "particle/smokesprites_0013" ),
+	[14] = Material( "particle/smokesprites_0014" ),
+	[15] = Material( "particle/smokesprites_0015" ),
+	[16] = Material( "particle/smokesprites_0016" ),
+}
+
+
+function EFFECT:Init( data )
+	local Pos = data:GetOrigin()
+	local Ent = data:GetEntity()
+
+	self.LifeTime = 1
+	self.DieTime = CurTime() + self.LifeTime
+
+	if not IsValid( Ent ) then return end
+
+	self.Ent = Ent
+	self.Pos = Ent:WorldToLocal( Pos + VectorRand() * 8 )
+	self.RandomSize = math.Rand( 0.8, 1.6 )
+	self.Vel = self.Ent:GetVelocity()
+end
+
+function EFFECT:Think()
+	if not IsValid( self.Ent ) then return false end
+
+	if self.DieTime < CurTime() then return false end
+
+	self:SetPos( self.Ent:LocalToWorld( self.Pos ) )
+
+	return true
+end
+
+function EFFECT:Render()
+	if not IsValid( self.Ent ) or not self.Pos then return end
+
+	self:RenderSmoke()
+	self:RenderFire()
+end
+
+function EFFECT:RenderSmoke()
+	local Scale = (self.DieTime - CurTime()) / self.LifeTime
+
+	local Pos = self.Ent:LocalToWorld( self.Pos ) + Vector(0,0,25)
+
+	local InvScale = 1 - Scale
+
+	local Num = #self.SmokeMat - math.Clamp(math.ceil( Scale * #self.SmokeMat ) - 1,0, #self.SmokeMat - 1)
+
+	local C = 10 + 10 * self.RandomSize
+	local Size = (25 + 30 * InvScale) * self.RandomSize
+	local Offset = (self.Vel * InvScale ^ 2) * 0.5
+
+	render.SetMaterial( self.SmokeMat[ Num ] )
+	render.DrawSprite( Pos + Vector(0,0,InvScale ^ 2 * 80 * self.RandomSize) - Offset, Size, Size, Color( C, C, C, 200 * Scale) )
+end
+
+function EFFECT:RenderFire()
+	local Scale = (self.DieTime - 0.4 - CurTime()) / 0.6
+
+	if Scale < 0 then return end
+
+	local Pos = self.Ent:LocalToWorld( self.Pos )
+
+	local InvScale = 1 - Scale
+
+	render.SetMaterial( self.GlowMat )
+	render.DrawSprite( Pos + Vector(0,0,InvScale ^ 2 * 10), 100 * InvScale, 100 * InvScale, Color( 255, 150, 75, 255) )
+
+	local Num = #self.FireMat - math.Clamp(math.ceil( Scale * #self.FireMat ) - 1,0, #self.FireMat - 1)
+
+	local Size = (10 + 25 * Scale) * self.RandomSize
+	local Offset = (self.Vel * InvScale ^ 2) * 0.025
+
+	render.SetMaterial( self.FireMat[ Num ] )
+	render.DrawSprite( Pos + Vector(0,0,InvScale ^ 2 * 25) - Offset, Size, Size, Color( 255, 255, 255, 255) )
+end