openHI/main.lua at master · darookee/openHI · 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
function love.conf()
    t.screen.width = 1024
    t.screen.height = 768
end

-- groundx : 482
-- groundy : 124
-- grundw : 62
-- groundh : 31

function love.load()
    grafik = require 'grafik'

    block_width = 62
    -- grass:getWidth()
    block_height = 32
    -- grass:getHeight()
    block_depth = block_height
    -- block_depth = block_height/2

    map_w = 20
    map_h = 20
    map_x = 0
    map_y = 0
    map_display_buffer = 10

    map_display_w = 20
    map_display_h = 15

    grid_size = 200
    grid = {}
    for x = 1,grid_size do
        grid[x] = {}
        for y = 1,grid_size do
            grid[x][y] = math.random(9)
        end
    end

    lastmousex = 0
    lastmousey = 0
end

function love.update(dt)
    cameraUpdate(dt)
end

function love.draw()
    draw_map()
    love.graphics.setColor(255,255,255)
    love.graphics.print("Isometric Map Test\ndarookee", 15, 15)
    love.graphics.print("x:" .. lastmousex .. " y:" .. lastmousey, 15, 115)
    love.graphics.print("x:" .. map_x .. " y:" .. map_y, 15, 125)
end

function love.keypressed(key, u)
    if key == "rctrl" then
        debug.debug()
    end

    if key == "up" then
        map_y = map_y + 10
        if map_y > grid_size-100 then map_y = grid_size-100; end
    end
    if key == "down" then
        map_y = map_y - 10
        if map_y < 0 then map_y = 0; end
    end
    if key == "left" then
        map_x = math.min(map_x+10, grid_size-50)
    end
    if key == "right" then
        map_x = math.max(map_x-10, 0)
    end
end

function love.mousepressed(x,y,button)
    lastmousex = x
    lastmousey = y
end

function love.mousereleased(x,y,button)
    lastmousex = x
    lastmousey = y
end

function draw_map()
    for x = 1,grid_size do
        for y = 1,grid_size do

            toDraw = grafik.determineGraphicToDraw(grid[x][y])

            love.graphics.draw(
            grafik.spriteMap,
            toDraw,
            map_x + ((y-x) * (block_width/2)),
            map_y + ((x+y) * (block_depth/2)) - (block_depth * (grid_size/2))
            )

            if x == 10 and y == 12 then
            love.graphics.draw(
            grafik.spriteMap,
            grafik.graphics.highlight.border,
            map_x + ((y-x) * (block_width/2)),
            map_y + ((x+y) * (block_depth/2)) - (block_depth * (grid_size/2))
            )
            end
        end
    end
end

function cameraUpdate(dt)
    if love.mouse.isDown('r') then
        map_x = math.floor(map_x - ((lastmousex - love.mouse.getX())) / block_width*4)
        map_y = math.floor(map_y - ((lastmousey - love.mouse.getY())) / block_height*4)
    end
    -- Handle keyboard panning
    if love.keyboard.isDown("lshift") or love.keyboard.isDown("rshift") then
        if love.keyboard.isDown("left") then
            map_x = map_x + 300 * dt
        end
        if love.keyboard.isDown("right") then
            map_x = map_x - 300 * dt
        end
        if love.keyboard.isDown("up") then
            map_y = map_y + 300 * dt
        end
        if love.keyboard.isDown("down") then
            map_y = map_y - 300 * dt
        end
    end
end

function loadTransparent(imagePath, transR, transG, transB)
   imageData = love.image.newImageData( imagePath )
   function mapFunction(x, y, r, g, b, a)
      if r == transR and g == transG and b == transB then a = 0 end
      return r,g,b,a
   end
   imageData:mapPixel( mapFunction )
   return love.graphics.newImage( imageData )
end