starting more gui stuff

main.lua

@@ -1,7 +1,7 @@
 
 
 settings = am.load_state("settings", "json") or {
-    fullscreen = true,
+    fullscreen = false,
     window_width = 1920,
     window_height = 1080,
     music_volume = 0.1,
@@ -36,6 +36,7 @@ require "src/extra"
 require "src/geometry"
 require "src/hexyz"
 require "src/game"
+require "src/gui"
 require "src/grid"
 require "src/mob"
 require "src/projectile"

src/game.lua

@@ -113,12 +113,9 @@ end
 local function game_pause()
     win.scene("game").paused = true
 
-    win.scene("game"):append(am.group{
+    win.scene:append(am.group{
         am.rect(win.left, win.bottom, win.right, win.top, COLORS.TRANSPARENT),
-        am.scale(2)
-        ^ am.text(string.format(
-            "Paused.\nSeed: %d\nEscape to Resume\nf4 to start a new game", state.map.seed
-        ), COLORS.BLACK),
+        gui_textfield(vec2(-300, 0), vec2(200, 100)),
     }
     :tag"pause_menu")
 

src/grid.lua

@@ -1,7 +1,7 @@
 
 
 -- distance from hex centerpoint to any vertex
-HEX_SIZE = 24
+HEX_SIZE = 26
 
 HEX_PIXEL_WIDTH = hex_width(HEX_SIZE, ORIENTATION.FLAT)
 HEX_PIXEL_HEIGHT = hex_height(HEX_SIZE, ORIENTATION.FLAT)

src/gui.lua

@@ -0,0 +1,85 @@
+
+
+function gui_numberfield(dimensions, opts)
+
+end
+
+
+function gui_textfield(position, dimensions, max, disallowed_keys)
+    local width, height = dimensions.x, dimensions.y
+    local disallowed_keys = disallowed_keys or {}
+    local max = max or 99
+
+    local padding = 2
+    local outer_rect = am.rect(-width/2, -height/2, width/2, height/2, COLORS.VERY_DARK_GRAY)
+    local inner_rect = am.rect(-width/2 + padding
+                             , -height/2 + padding
+                             , width/2 - padding
+                             , height/2 - padding
+                             , COLORS.PALE_SILVER)
+
+    local group = am.group{
+        outer_rect,
+        inner_rect,
+        am.translate(-width/2 + 5, 0) ^ am.scale(2) ^ am.text("", COLORS.BLACK, "left"),
+        am.translate(-width/2 + 5, -8) ^ am.line(vec2(0, 0), vec2(16, 0), 2, COLORS.BLACK)
+    }
+
+    group:action(function(self)
+        local keys = win:keys_pressed()
+        if #keys == 0 then return end
+
+        -- @HACK all characters and digits are represented by a single string in amulet
+        -- so we don't have to iterate over everything
+        -- pattern matching doesn't work because control characters are also just normal strings
+        for i,k in pairs(keys) do
+            if not disallowed_keys[k] then
+                if k:len() == 1 then
+                    if string.match(k, "%d") then
+                        self"text".text = self"text".text .. k
+
+                    elseif win:key_down("lshift") or win:key_down("rshift") then
+                        self"text".text = self"text".text .. k:upper()
+
+                    else
+                        self"text".text = self"text".text .. k
+                    end
+                elseif k == "space" then
+                    self"text".text = self"text".text .. " "
+
+                elseif k == "backspace" then
+                    self"text".text = self"text".text:sub(1, self"text".text:len() - 1)
+
+                elseif k == "enter" then
+
+                end
+            end
+        end
+    end)
+
+    return group
+end
+
+function gui_slider(position, dimensions, bar_color, circle_color, min, max, default_value, action)
+    local position = position or vec2(0)
+    local width = dimensions.x
+    local height = dimensions.y
+    local bar_color = bar_color or COLORS.WHITE
+    local circle_color = circle_color or COLORS.GREEN_YELLOW
+    local min = min or 0
+    local max = max or 100
+    local default_value = math.clamp(default_value or 50, min, max)
+
+    local slider = pack_texture_into_sprite(TEXTURES.GUI_SLIDER, width, height, bar_color)
+    local circle = am.circle(vec2(-width/2 + (default_value/max) * (width/2), 0), height, circle_color)
+
+    local node = am.translate(position) ^ am.group{
+        slider,
+        circle
+    }
+
+    if action then node:action(action) end
+
+    return node
+end
+

texture.lua

@@ -14,9 +14,11 @@ TEXTURES = {
     LOGO                    = load_texture("res/logo.png"),
     GEM1                    = load_texture("res/gem1.png"),
 
+    -- gui stuff
     BUTTON1                 = load_texture("res/button1.png"),
     WIDER_BUTTON1           = load_texture("res/wider_button1.png"),
     TAB_ICON                = load_texture("res/tab_icon.png"),
+    GUI_SLIDER              = load_texture("res/slider.png"),
 
     -- tower stuff
     TOWER_WALL              = load_texture("res/tower_wall.png"),
@@ -40,12 +42,15 @@ TEXTURES = {
     MOB_SPOODER         = load_texture("res/mob_spooder.png"),
 }
 
-function pack_texture_into_sprite(texture, width, height)
-    return am.sprite{
+function pack_texture_into_sprite(texture, width, height, color)
+    local sprite = am.sprite{
         texture = texture,
         s1 = 0, s2 = 1, t1 = 0, t2 = 1,
         x1 = 0, x2 = width, width = width,
         y1 = 0, y2 = height, height = height
     }
+
+    sprite.color = color or vec4(1)
+    return sprite
 end