/zoeplat

To get this branch, use:
bzr branch http://9ix.org/bzr/zoeplat

« back to all changes in this revision

Viewing changes to main.lua

  • Committer: Josh C
  • Date: 2013-03-16 19:10:33 UTC
  • Revision ID: josh@9ix.org-20130316191033-o1qwl2zy3ps020y2
build more level

Show diffs side-by-side

added added

removed removed

Lines of Context:
main.lua
2
2
DEBUG = true
3
3
 
4
4
require 'zoetrope'
 
5
__ = require 'underscore'
5
6
--inspect = require 'inspect'
6
 
--_ = require 'underscore'
 
7
require 'pepperprof'
7
8
 
8
9
Player = Animation:extend {
9
10
   image = 'data/player.png',
12
13
   sequences = {
13
14
      stand = { frames = { 1 }, fps = 1 },
14
15
      walk = { frames = { 2, 3 }, fps = 5 },
15
 
      jump = { frames = { 4 }, fps = 1 }
 
16
      jump = { frames = { 4 }, fps = 1 },
 
17
      climbLeft = { frames = { 5, 6 }, fps = 5 },
 
18
      climbRight = { frames = { 7, 8 }, fps = 5 }
16
19
   },
 
20
   collisions = {},
 
21
   onWall = false,
 
22
   leftWallAt = 0,
17
23
   onNew = function (self)
18
24
              self.velocity.y = 0
19
25
              self.maxVelocity.y = 400
20
26
           end,
 
27
   doPhysics = function (self, dir, elapsed)
 
28
                  local vel = self.velocity
 
29
                  local acc = self.acceleration
 
30
                  local drag = self.drag
 
31
                  local minVel = self.minVelocity
 
32
                  local maxVel = self.maxVelocity
 
33
 
 
34
                  -- check existence of properties
 
35
 
 
36
                  if STRICT then
 
37
                     assert(vel, 'active sprite has no velocity property')
 
38
                     assert(acc, 'active sprite has no acceleration property')
 
39
                     assert(drag, 'active sprite has no drag property')
 
40
                     assert(minVel, 'active sprite has no minVelocity property')
 
41
                     assert(maxVel, 'active sprite has no maxVelocity property')
 
42
                     assert(__.include({'x','y','rotation'}, dir), 'direction should be x, y, or rotation')
 
43
                  end
 
44
 
 
45
                  vel.x = vel.x or 0
 
46
                  vel.y = vel.y or 0
 
47
                  vel.rotation = vel.rotation or 0
 
48
 
 
49
                  -- physics
 
50
 
 
51
                  if acc[dir] and acc[dir] ~= 0 then
 
52
                     vel[dir] = vel[dir] + acc[dir] * elapsed
 
53
                  else
 
54
                     if drag[dir] then
 
55
                        if vel[dir] > 0 then
 
56
                           vel[dir] = vel[dir] - drag[dir] * elapsed
 
57
                           if vel[dir] < 0 then vel[dir] = 0 end
 
58
                        elseif vel[dir] < 0 then
 
59
                           vel[dir] = vel[dir] + drag[dir] * elapsed
 
60
                           if vel[dir] > 0 then vel[dir] = 0 end
 
61
                        end
 
62
                     end
 
63
                  end
 
64
 
 
65
                  if minVel[dir] and vel[dir] < minVel[dir] then vel[dir] = minVel[dir] end
 
66
                  if maxVel[dir] and vel[dir] > maxVel[dir] then vel[dir] = maxVel[dir] end
 
67
 
 
68
                  if vel[dir] ~= 0 then self[dir] = self[dir] + vel[dir] * elapsed end
 
69
               end,
21
70
   onStartFrame = function (self)
22
71
                     -- this is all in startframe so it happens before
23
72
                     -- physics calc at beginning of update
27
76
                     if self.falling then self.jumping = false end
28
77
                     --print(self.jumping, self.falling)
29
78
 
30
 
                     if not self:onGround() then
 
79
                     if (not self.onGround) and (not self.onWall) then
31
80
                        self:play('jump')
32
81
                     end
33
82
 
34
 
                     self.velocity.x = 0
35
83
                     self.acceleration.y = 800
36
84
 
 
85
                     if self.onWall then
 
86
                        self.acceleration.y = 0
 
87
 
 
88
                        if self.onWall == 'right' then
 
89
                           self:play('climbRight')
 
90
                        elseif self.onWall == 'left' then
 
91
                           self:play('climbLeft')
 
92
                        end
 
93
 
 
94
                        if the.keys:pressed('up') then
 
95
                           self.velocity.y = -200
 
96
                        elseif the.keys:pressed('down') then
 
97
                           self.velocity.y = 200
 
98
                        else
 
99
                           self.velocity.y = 0
 
100
                           self:freeze(self.sequences[self.currentName].frames[1])
 
101
                        end
 
102
                     end
 
103
 
37
104
                     if the.keys:pressed('left') then
38
105
                        self.velocity.x = -200
39
 
                        if self:onGround() then self:play('walk') end
 
106
                        if self.onGround then self:play('walk') end
 
107
                        if self.onWall == 'right' then
 
108
                           self.onWall = false
 
109
                           self.leftWallAt = love.timer.getTime()
 
110
                        end
40
111
                     elseif the.keys:pressed('right') then
41
112
                        self.velocity.x = 200
42
 
                        if self:onGround() then self:play('walk') end
 
113
                        if self.onGround then self:play('walk') end
 
114
                        if self.onWall == 'left' then
 
115
                           self.onWall = false
 
116
                           self.leftWallAt = love.timer.getTime()
 
117
                        end
43
118
                     else
44
 
                        if self:onGround() then self:play('stand') end
 
119
                        if not self.onWall then
 
120
                           if self.onGround then self:play('stand') end
 
121
                           self.velocity.x = 0
 
122
                        end
45
123
                     end
46
124
 
47
 
                     if the.keys:justPressed('up') and self:onGround() then
 
125
                     if the.keys:justPressed('up') and
 
126
                      (self.onGround or the.console.visible or
 
127
                       (love.timer.getTime() - self.leftWallAt < .1) ) then
48
128
                        self.velocity.y = -400
49
129
                        self.jumping = true
50
130
                     end
51
131
                  end,
52
 
   onEndFrame = function (self)
53
 
                   --print(self.velocity.y)
54
 
                end,
 
132
   update = function (self, elapsed)
 
133
               -- NOTE: this is an override, not a callback
 
134
 
 
135
               self:doPhysics('x', elapsed)
 
136
               self:collide(the.view.map)
 
137
 
 
138
               -- handle X collisions
 
139
               self.onWall = false
 
140
               for _, col in ipairs(self.collisions) do
 
141
                  col.other:displaceDir(self, 'x')
 
142
                  if self.velocity.x > 0 then
 
143
                     self.onWall = 'right'
 
144
                  elseif self.velocity.x < 0 then
 
145
                     self.onWall = 'left'
 
146
                  else
 
147
                     print 'x ??'
 
148
                  end
 
149
               end
 
150
 
 
151
               self.onGround = false -- right before Y collision callbacks
 
152
               self:doPhysics('y', elapsed)
 
153
               self:collide(the.view.map)
 
154
 
 
155
               -- handle Y collisions
 
156
               for _, col in ipairs(self.collisions) do
 
157
                  if self.velocity.y > 0 then
 
158
                     self.onGround = true
 
159
                  end
 
160
 
 
161
                  col.other:displaceDir(self, 'y')
 
162
                  self.velocity.y = 0
 
163
                  self.jumping = false
 
164
               end
 
165
 
 
166
               Animation.update(self, elapsed)
 
167
            end,
 
168
   collide = function (self, ...)
 
169
                self.collisions = {}
 
170
                Animation.collide(self, ...)
 
171
                -- I could return a true/false value here if I wanted to...
 
172
             end,
55
173
   onCollide = function (self, other, xOverlap, yOverlap)
56
 
                  -- seriously, why does this even fire?
57
174
                  if other == the.view.map then return end
58
175
 
59
 
                  --print(string.format('col s{x=%i y=%i w=%i h=%i} %s', self.x, self.y, self.width, self.height, tostring(other)))
60
 
                  --print('vel.x:'..self.velocity.x.." vel.y:"..self.velocity.y)
61
 
 
62
 
                  -- assumption: any other collision is with a solid map tile
63
 
                  if yOverlap > xOverlap then
64
 
                     other:displace(self)
65
 
                  elseif xOverlap > yOverlap then
66
 
                     -- check if we've moved since collisions were generated
67
 
                     local xov, yov = self:overlap(other.x, other.y,
68
 
                                                   other.width, other.height)
69
 
                     if xov ~= 0 and yov ~= 0 then
70
 
                        self.velocity.y = 0
71
 
                        other:displace(self)
72
 
                        self.jumping = false
73
 
                     end
74
 
                  else
75
 
                     print('??')
76
 
                  end
77
 
 
78
 
               end,
79
 
   onGround = function (self)
80
 
                 return (not self.jumping) and (not self.falling)
81
 
              end
 
176
                  table.insert(self.collisions, {other = other,
 
177
                                                 xOverlap = xOverlap,
 
178
                                                 yOverlap = yOverlap })
 
179
               end
82
180
}
83
181
 
 
182
-- displace on a specific axis (monkey patch Sprite)
 
183
function Sprite:displaceDir(other, dir)
 
184
   if not self.solid or self == other or not other.solid then return end
 
185
   if STRICT then assert(other:instanceOf(Sprite), 'asked to displace a non-sprite') end
 
186
 
 
187
   if other.sprites then
 
188
      -- handle groups
 
189
 
 
190
      for _, spr in pairs(other.sprites) do
 
191
         self:displace(spr, dir)
 
192
      end
 
193
   else
 
194
      -- handle sprites
 
195
      local dim
 
196
      if dir == 'x' then
 
197
         dim = 'width'
 
198
      elseif dir == 'y' then
 
199
         dim = 'height'
 
200
      else
 
201
         print 'dir ??'
 
202
      end
 
203
 
 
204
      local negMove = (other[dir] - self[dir]) + other[dim]
 
205
      local posMove = (self[dir] + self[dim]) - other[dir]
 
206
 
 
207
      -- TODO: re-add hinting?
 
208
      if negMove < posMove then
 
209
         chg = - negMove
 
210
      else
 
211
         chg = posMove
 
212
      end
 
213
   end
 
214
 
 
215
   other[dir] = other[dir] + chg
 
216
end
 
217
 
84
218
GameView = View:extend {
85
219
   onNew = function (self)
86
220
              self:loadLayers('data/map.lua')
89
223
           end,
90
224
   onUpdate = function (self)
91
225
                 --print('tick')
92
 
                 the.player:collide(self.map)
 
226
                 --the.player:collide(self.map)
93
227
                 --self.map:collide(the.player)
94
228
              end
95
229
}
97
231
the.app = App:new {
98
232
   onRun = function (self)
99
233
              self.view = GameView:new()
100
 
              --print(inspect(_(the.app):keys()))
 
234
              self.console:watch('onGround', 'the.player.onGround')
 
235
              self.console:watch('onWall', 'the.player.onWall')
 
236
              self.console:watch('updateTook', 'the.updateTook')
 
237
              self.console:watch('drawTook', 'the.drawTook')
 
238
 
 
239
              --the.profiler = newProfiler('time', 2000)
 
240
              --the.profiler = newProfiler()
 
241
              --the.profiler:start()
101
242
           end,
102
243
   onUpdate = function (self, dt)
103
 
                 if the.keys:justPressed('escape') and 
104
 
                   not self.console.visible then
105
 
                    love.event.quit()
 
244
                 if the.keys:justPressed('escape') then
 
245
                    if the.profiler then
 
246
                       the.profiler:stop()
 
247
                       local outfile = io.open( "profile.txt", "w+" )
 
248
                       the.profiler:report( outfile )
 
249
                       outfile:close()
 
250
                    end
 
251
 
 
252
                    self.quit()
106
253
                 end
107
 
              end
108
 
}
 
 
b'\\ No newline at end of file'
 
254
              end,
 
255
   update = function (self, dt)
 
256
               the.updateStart = love.timer.getMicroTime()
 
257
               App.update(self, dt)
 
258
               if the.updateStart then
 
259
                  the.updateTook = love.timer.getMicroTime() - the.updateStart
 
260
               end
 
261
            end
 
262
}