SpaceShooter/level.lua at master · fazjaxton/SpaceShooter · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
-- This file is part of SpaceShooter.
--
-- SpaceShooter is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- SpaceShooter is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with SpaceShooter.  If not, see <http://www.gnu.org/licenses/>.

Level = class ()
Level.__name = "Level"

function release_enemy (self, game_time)
    if (game_time - self.last_enemy_time >= self.enemy_timing) then
        if (self.enemy_index <= #self.enemy_order) then
            local next_enemy = self.enemy_order[self.enemy_index]
            local enemy = generate_enemy (next_enemy.type)

            if (next_enemy.powerup) then
                enemy.powerup = generate_powerup (next_enemy.powerup)
            end

            enemies[enemy] = true
            enemy_count = enemy_count + 1
            self.enemy_index = self.enemy_index + 1
            self.last_enemy_time = game_time
        end
    end
end


function Level:__init(order, timing)
    self.enemy_order = order
    self.enemy_timing = timing

    self.start = function ()
        self.enemy_index = 1
        self.last_enemy_time = game_time
        enemy_count = 0
        powerup_count = 0
        explosion_count = 0
        self.complete_time = 0

        -- Clear any existing shots
        shots = {}
        enemies = {}
        powerups = {}

        player:set_start_pos ()
    end

    self.update = release_enemy

    self.complete = function (self)
        -- All enemies have appeared and been destroyed
        if (self.enemy_index > #self.enemy_order and
                enemy_count == 0 and
                powerup_count == 0 and
                explosion_count == 0 and
                not player.dead) then
            if self.complete_time > 0 then
                if game_time - self.complete_time > 1.5 then
                    return true
                end
            else
                self.complete_time = game_time
            end
        else
            self.complete_time = 0
        end

        return false
    end

    self.failed = function (self)
        return (player.dead and
                explosion_count == 0)
    end
end


--Level1 = Level:extends ()
--Level1.__name = "Level1"
--function Level1:__init()
    --Level1.super.__init(self)


game_levels = {
    Level ( {
        { type = "drone", powerup = "Missile" },
        { type = "drone", powerup = "Shield" },
        { type = "drone", powerup = "Shield" },
        { type = "drone", powerup = "Shield" },
        { type = "drone", powerup = "Shield" },
        },
        3
    ),
    Level ( {
        { type = "seeker" },
        { type = "seeker" },
        { type = "seeker" },
        { type = "seeker" },
        { type = "seeker" },
        },
        3
    ),
    Level ( {
        { type = "missiledrone" },
        { type = "seeker" },
        { type = "missiledrone" },
        { type = "seeker" },
        { type = "missiledrone" },
        },
        3
    ),
    Level ( {
        { type = "missileseeker" },
        { type = "missileseeker" },
        { type = "missileseeker" },
        { type = "missileseeker" },
        { type = "missileseeker" },
        },
        3
    ),
    Level ( {
        { type = "drone" },
        { type = "drone" },
        { type = "drone" },
        { type = "drone" },
        { type = "seeker"},
        { type = "drone" },
        { type = "drone" },
        { type = "drone" },
        { type = "drone" },
        { type = "seeker", powerup = "ExtraLife" },
        },
        1
    ),
    Level ( {
        { type = "cannondrone" },
        { type = "seeker" },
        { type = "cannondrone" },
        { type = "seeker" },
        { type = "cannondrone", powerup = "FastFire" },
        },
        3
    ),
    Level ( {
        { type = "cannondrone" },
        { type = "cannondrone" },
        { type = "cannondrone" },
        { type = "cannondrone" },
        { type = "cannondrone" },
        },
        3
    ),
    Level ( {
        { type = "cannondrone" },
        { type = "cannonseeker" },
        { type = "cannondrone" },
        { type = "cannonseeker" },
        { type = "cannondrone" },
        { type = "cannonseeker" },
        },
        2
    ),
    Level ( {
        { type = "cannondrone" },
        { type = "missiledrone" },
        { type = "cannondrone" },
        { type = "missiledrone" },
        { type = "cannondrone" },
        { type = "missiledrone" },
        { type = "cannondrone" },
        { type = "missiledrone" },
        { type = "cannondrone" },
        { type = "missiledrone" },
        },
        1
    ),
}