Grimrock

Code: Select all

defineObject{
  name = "fire_aura_blast",
  baseObject = "base_spell",
  components = {
    {
      class = "Particle",
      particleSystem = "fire_aura",
      offset = vec(0, 0, 0),
      destroyObject = true,
      onInit = function(self) self:fadeOut(2) end,
    },
    {
      class = "TileDamager",
      attackPower = 1,
      castByChampion = 1,
      damageType = "fire",
      onHitMonster = function(self, monster)
        monster:setCondition("burning", 15)
        -- mark condition so that exp is awarded if monster is killed by the condition
        local burning = monster.go.burning
        local ordinal = self:getCastByChampion()
        if burning and ordinal then burning:setCausedByChampion(ordinal) end
      end,
    },
  },
}

defineObject{
  name = "fire_aura",
  baseObject = "base_spell",
  components = {
    {
      class = "Timer",
      timerInterval = 1,
      triggerOnStart = true,
      onActivate = function(self)
        local center, range, power = self.go.data:get("center"), self.go.data:get("range") or 1.5, self.go.data:get("power") or 10
        local r,r2 = math.ceil(range), range*range
        if center then
          center = findEntity(center)
          if center then
            self.go:setPosition(center.x, center.y, center.facing, center.elevation, center.level)
          end
        end
        local w,h = self.go.map:getWidth(), self.go.map:getHeight()
        local x1,x2 = math.max(0,self.go.x-r),math.min(w-1,self.go.x+r)
        local y1,y2 = math.max(0,self.go.y-r),math.min(h-1,self.go.y+r)
        local z1,z2 = math.max(-7,self.go.elevation-r),math.min(7,self.go.elevation+r)
        for x = x1,x2 do
          local dx = x-self.go.x
          for y = y1,y2 do
            local dy = y-self.go.y
            local dxy2 = dx*dx + dy*dy
            if dxy2 <= r2 then
              for z = z1,z2 do
                local dz = z-self.go.elevation
                local d2 = dxy2 + dz*dz
                if 0<d2 and d2<= r2 then
                  local blast = spawn("fire_aura_blast", self.go.level, x, y, self.go.facing, z)
                  blast.tiledamager:setAttackPower(power/d2)
                end
              end
            end
          end
        end
      end,
    },
    {
      class = "Script",
      name = "data",
      source = [[
        data = {center = "party", range = 1.5, power = 10}
        function get(self,name) return self.data[name] end
        function set(self,name,value) self.data[name] = value end
      ]],      
    },
  },
}

defineParticleSystem{
	name = "fire_aura",
	emitters = {
		-- glow
		{
			spawnBurst = true,
			emissionRate = 1,
			emissionTime = 1,
			maxParticles = 1,
			boxMin = {0, 1, 0},
			boxMax = {0, 1, 0},
			sprayAngle = {0,30},
			velocity = {0,0},
			texture = "assets/textures/particles/glow.tga",
			lifetime = {1000, 1000},
			colorAnimation = false,
			color0 = {1.500000, 0.495000, 0.090000},
			opacity = 0.1,
			fadeIn = 0.01,
			fadeOut = 0.5,
			size = {7, 7},
			gravity = {0,0,0},
			airResistance = 1,
			rotationSpeed = 0,
			blendMode = "Additive",
		},

		-- sparkles
		{
			emissionRate = 200,
			emissionTime = 1,
			maxParticles = 300,
			boxMin = {-1.3, -0.3,-1.3 },
			boxMax = { 1.3,  1.5, 1.3 },
			sprayAngle = {0,180},
			velocity = {0.1,0.5},
			objectSpace = false,
			texture = "assets/textures/particles/glitter_gold.tga",
			lifetime = {0.4,1},
			color0 = {1.8*1.5,1.8*1.5,1.2*1.5},
			opacity = 1,
			fadeIn = 0.1,
			fadeOut = 0.1,
			size = {0.03, 0.1},
			gravity = {0,2.3,0},
			airResistance = 0.01,
			rotationSpeed = 10,
			blendMode = "Additive",
		},
	}
}