fix buggies

NOTES.md

@@ -10,14 +10,16 @@ MAP RESOURCES
 
 
 towers:
-1  - redeye
+- redeye
     long-range laser tower
     only buildable on mountains and upgraded walls
 
-    upgrades:
-        ???
+- lighthouse
+    light-emitting static tower
+    only buildable on tiles adjacent to water
+    mobs strongly prefer to path around lighthouses
 
--1 - wall
+- wall
     some fraction of the height of the tallest mountain
     makes mob pathing more difficult
 
@@ -25,7 +27,7 @@ towers:
         - fortifications    - lets you build some qualifying towers on top of this tower
         - spikes            - mobs take damage when climbing
 
--2 - moat
+- moat
     some fraction of the depth of the deepest lake
     makes mob pathing more difficult
 

main.lua

@@ -38,7 +38,8 @@ WORLD = false -- root scene node of everything considered to be in the game worl
 
 TIME           = 0                  -- runtime of the current game in seconds (not whole program runtime)
 SCORE          = 0                  -- score of the player
-MONEY = 0     -- available resources
+STARTING_MONEY = 50
+MONEY          = STARTING_MONEY     -- available resources
 MOUSE          = false              -- position of the mouse at the start of every frame, if an action is tracking it
 
 -- global audio settings
@@ -68,7 +69,7 @@ local function select_hex(hex)
 end
 
 local function can_do_build(hex, tile, tower_type)
-    return tower_is_buildable_on(hex, tile, SELECTED_TOWER_TYPE)
+    return can_afford_tower(MONEY, tower_type) and tower_is_buildable_on(hex, tile, tower_type)
 end
 
 local function game_action(scene)
@@ -105,7 +106,14 @@ local function game_action(scene)
     end
 
     if WIN:key_pressed"escape" then
-        game_end()
+        WIN.scene"game".paused = true
+        WIN.scene:action(function()
+            if WIN:key_pressed"escape" then
+                WIN.scene"game".paused = false
+                return true
+            end
+        end)
+        --game_end()
 
     elseif WIN:key_pressed"f1" then
         TRDT = (TRDT + 1) % #table.keys(TRDTS)
@@ -171,26 +179,30 @@ local function game_action(scene)
 end
 
 function do_day_night_cycle()
-    local tstep = (math.sin(TIME) / PERF_STATS.avg_fps + 1)/8
-    WORLD"negative_mask".color = vec4(tstep)
+    local slow = 100
+    local tstep = (math.sin(TIME / 100) + 1) / PERF_STATS.avg_fps
+    WORLD"negative_mask".color = vec4(tstep){a=1}
 end
 
 function game_end()
-
     -- de-initialize stuff
     delete_all_entities()
     TIME = 0
     SCORE = 0
-    MONEY = 0
+    MONEY = STARTING_MONEY
     WORLD = false
 
-    WIN.scene = am.scale(1) ^ game_scene()
+    WIN.scene = am.group(am.scale(1) ^ game_scene())
 end
 
 function update_score(diff)
     SCORE = SCORE + diff
 end
 
+function update_money(diff)
+    MONEY = MONEY + diff
+end
+
 local function toolbelt()
     local toolbelt_height = hex_height(HEX_SIZE) * 2
     local tower_tooltip = am.translate(WIN.left + 10, WIN.bottom + toolbelt_height + 20)
@@ -283,6 +295,7 @@ function game_scene()
         WIN.scene:remove(curtain)
     end))
 
+    -- 2227
     HEX_MAP, WORLD = random_map()
 
     local scene = am.group{
@@ -293,7 +306,7 @@ function game_scene()
         score,
         money,
         coords,
-    }
+    }:tag"game"
 
     scene:action(game_action)
     --scene:action(am.play(SOUNDS.TRACK1))
@@ -302,6 +315,6 @@ function game_scene()
 end
 
 load_textures()
-WIN.scene = am.scale(vec2(1)) ^ game_scene()
+WIN.scene = am.group(am.scale(vec2(1)) ^ game_scene())
 noglobals()
 

res/tab_icon/Tab-02.svg

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 24.1.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
-<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 512 512" style="enable-background:new 0 0 512 512;" xml:space="preserve">
-<g id="XMLID_1_">
-	<rect id="XMLID_3_" x="480.3" width="31.7" height="256"/>
-	<rect id="XMLID_4_" y="256" width="31.7" height="256"/>
-	<polygon id="XMLID_5_" points="160.1,351.9 512,351.9 512,416.1 160.1,416.1 160.1,496.2 48.4,384.5 160.1,271.8 	"/>
-	<polygon id="XMLID_6_" points="351.9,160.1 0,160.1 0,95.9 351.9,95.9 351.9,15.8 463.6,128.5 351.9,240.2 	"/>
-</g>
-</svg>

sound.lua

@@ -23,12 +23,13 @@ SOUNDS = {
     TRACK1 = am.track(am.load_audio("res/track1.ogg"), true, 1, 0.1)
 }
 
--- play a sound with variable pitch
-function vplay_sound(seed, range)
-    return am.play(am.sfxr_synth(seed), false, (math.random() + 0.5)/(range and 1/range or 2))
+-- play sound effect with variable pitch
+function vplay_sfx(sound, pitch_range)
+    local pitch = (math.random() + 0.5)/(pitch_range and 1/pitch_range or 2)
+    WIN.scene:action(am.play(sound, false, pitch, SFX_VOLUME))
 end
 
-function play_sound(seed)
-    return am.play(am.sfxr_synth(seed), false)
+function play_sfx(sound)
+    WIN.scene:action(am.play(sound, false, 1, SFX_VOLUME))
 end
 

src/extra.lua

@@ -24,3 +24,33 @@ function table.find(t, predicate)
     return nil
 end
 
+function quicksort(t, low_index, high_index, comparator)
+    local function partition(t, low_index, high_index)
+        local i = low_index - 1
+        local pivot = t[high_index]
+
+        for j = low_index, high_index - 1 do
+            if comparator(t[j], t[pivot]) <= 0 then
+                i = i + 1
+                t[i], t[j] = t[j], t[i]
+            end
+        end
+
+        t[i + 1], t[high_index] = t[high_index], t[i + 1]
+        return i + 1
+    end
+
+    if #t == 1 then
+        return t
+    end
+
+    if comparator(t[low_index], t[high_index]) < 0 then
+        local partition_index = partition(t, low_index, high_index)
+
+        quicksort(t, low_index, partition_index - 1, comparator)
+        quicksort(t, partition_index + 1, high_index, comparator)
+    end
+
+    return t
+end
+

src/tower_spec.lua → src/game.lua

@@ -1 +1,2 @@
 
+

src/grid.lua

@@ -2,8 +2,10 @@
 
 -- distance from hex centerpoint to any vertex
 HEX_SIZE = 20
-HEX_PIXEL_SIZE = vec2(hex_width(HEX_SIZE, ORIENTATION.FLAT)
-                    , hex_height(HEX_SIZE, ORIENTATION.FLAT))
+
+HEX_PIXEL_WIDTH = hex_width(HEX_SIZE, ORIENTATION.FLAT)
+HEX_PIXEL_HEIGHT = hex_height(HEX_SIZE, ORIENTATION.FLAT)
+HEX_PIXEL_DIMENSIONS = vec2(HEX_PIXEL_WIDTH, HEX_PIXEL_HEIGHT)
 
 -- with 1920x1080, this is the minimal dimensions to cover the screen (65x33)
 -- @NOTE added 2 cell padding, because we terraform the very outer edge and it looks ugly
@@ -17,6 +19,9 @@ HEX_GRID_CENTER = vec2(math.floor(HEX_GRID_WIDTH/2)
                      , 0)
                     -- math.floor(HEX_GRID_HEIGHT/2))
 
+HEX_GRID_MINIMUM_ELEVATION = -1
+HEX_GRID_MAXIMUM_ELEVATION = 1
+
 -- index is hex coordinates [x][y]
 -- { { elevation, node, etc. } }
 HEX_MAP = {}
@@ -78,7 +83,8 @@ end
 
 function grid_cost(map, from, to)
     local t1, t2 = map.get(from.x, from.y), map.get(to.x, to.y)
-    return 1 + 10 * math.abs(math.abs(t1.elevation)^0.5
+    local epsilon = HEX_GRID_MAXIMUM_ELEVATION - HEX_GRID_MINIMUM_ELEVATION
+    return epsilon + 10 * math.abs(math.abs(t1.elevation)^0.5
                                  - math.abs(t2.elevation)^0.5)
 end
 
@@ -94,7 +100,7 @@ function generate_and_apply_flow_field(map, start, world)
                                      ^ am.text(string.format("%.1f", f.priority * 10)))
             else
                 -- should fire exactly once per goal hex
-                log('no priority')
+                --log('no priority')
             end
         end
     end
@@ -135,14 +141,14 @@ function random_map(seed)
         for j,noise in pairs(map[i]) do
             local evenq = hex_to_evenq(vec2(i, j))
 
-            -- check if we're on an edge -- terraform edges to be passable
             if  evenq.x == 0 or  evenq.x == (HEX_GRID_WIDTH - 1)
             or -evenq.y == 0 or -evenq.y == (HEX_GRID_HEIGHT - 1) then
+                -- if we're on an edge -- terraform edges to be passable
                 noise = 0
 
+            elseif i == HEX_GRID_CENTER.x and j == HEX_GRID_CENTER.y then
                 -- also terraform the center of the grid to be passable
                 -- very infrequently, but still sometimes it is not medium elevation
-            elseif i == HEX_GRID_CENTER.x and j == HEX_GRID_CENTER.y then
                 noise = 0
 
             else
@@ -178,10 +184,10 @@ function random_map(seed)
         end)
     end
 
-    generate_and_apply_flow_field(map, HEX_GRID_CENTER)
+    generate_and_apply_flow_field(map, HEX_GRID_CENTER, world)
 
-    --world:append(am.translate(hex_to_pixel(HEX_GRID_CENTER))
-    --             ^ pack_texture_into_sprite(TEX_SATELLITE, HEX_PIXEL_SIZE.x*2, HEX_PIXEL_SIZE.y*2))
+    world:append(am.translate(hex_to_pixel(HEX_GRID_CENTER))
+                 ^ pack_texture_into_sprite(TEX_SATELLITE, HEX_PIXEL_WIDTH, HEX_PIXEL_HEIGHT))
 
     return map, am.translate(WORLDSPACE_COORDINATE_OFFSET) ^ world
 end

src/mob.lua

@@ -11,7 +11,7 @@ mob(entity) structure:
 --]]
 
 MAX_MOB_SIZE = hex_height(HEX_SIZE, ORIENTATION.FLAT) / 2
-MOB_SIZE = MAX_MOB_SIZE/2
+MOB_SIZE = MAX_MOB_SIZE
 
 function mobs_on_hex(hex)
     local t = {}
@@ -37,7 +37,7 @@ function mob_can_pass_through(mob, hex)
 end
 
 function mob_die(mob, mob_index)
-    WORLD:action(vplay_sound(SOUNDS.EXPLOSION1))
+    vplay_sfx(SOUNDS.EXPLOSION1)
     delete_entity(MOBS, mob_index)
 end
 
@@ -45,6 +45,7 @@ function do_hit_mob(mob, damage, mob_index)
     mob.health = mob.health - damage
     if mob.health <= 0 then
         update_score(mob.bounty)
+        update_money(mob.bounty)
         mob_die(mob, mob_index)
     end
 end
@@ -79,32 +80,31 @@ local function get_spawn_hex()
     return evenq_to_hex(vec2(x, -y))
 end
 
-local function mob_update(mob, mob_index)
+local function update_mob(mob, mob_index)
     local last_frame_hex = mob.hex
     mob.hex = pixel_to_hex(mob.position)
 
     if mob.hex == HEX_GRID_CENTER then
-        log('die')
         update_score(-mob.health)
         mob_die(mob, mob_index)
         return true
     end
 
     -- figure out movement
+    if last_frame_hex ~= mob.hex or not mob.frame_target then
         local frame_target, tile = nil, nil
         if mob.path then
             log('A*')
-
             -- we have an explicitly stored target
             local path_entry = mob.path[mob.hex.x] and mob.path[mob.hex.x][mob.hex.y]
-        frame_target = path_entry.hex
+            mob.frame_target = path_entry.hex
 
             -- check if our target is valid, and if it's not we aren't going to move this frame.
             -- recalculate our path.
             if last_frame_hex ~= mob.hex and not mob_can_pass_through(mob, frame_target) then
                 log('recalc')
                 mob.path = get_mob_path(mob, HEX_MAP, mob.hex, HEX_GRID_CENTER)
-            frame_target = nil
+                mob.frame_target = nil
             end
         else
             -- use the map's flow field - gotta find the the best neighbour
@@ -126,43 +126,51 @@ local function mob_update(mob, mob_index)
                     end
                 end
 
-            frame_target = lowest_cost_hex
+                mob.frame_target = lowest_cost_hex
             else
                 log('no neighbours')
-            log(table.tostring(neighbours) .. mob.hex .. mob.position)
             end
         end
+    end
+
+    if mob.frame_target and mob.frame_target == last_frame_hex then
+        log('backpedaling')
+        log(mob.frame_target)
+        log(mob.hex)
+        log(last_frame_hex)
+        --WIN.scene.paused = true
+    end
 
     -- do movement
-    if frame_target then
+    if mob.frame_target then
         -- this is supposed to achieve frame rate independence, but i have no idea if it actually does
-        local rate = 1 + mob.speed / PERF_STATS.avg_fps
+        -- the constant multiplier at the beginning is how many pixels we want a mob with speed 1 to move in one frame
+        local rate = 4 * mob.speed / PERF_STATS.avg_fps
 
-        mob.position = mob.position + math.normalize(hex_to_pixel(frame_target) - mob.position) * rate
+        mob.position = mob.position + math.normalize(hex_to_pixel(mob.frame_target) - mob.position) * rate
         mob.node.position2d = mob.position
     else
         log('no target')
     end
 
-    --[[ passive animation
+    -- passive animation
     if math.random() < 0.01 then
         mob.node"rotate":action(am.tween(0.3, { angle = mob.node"rotate".angle + math.pi*3 }))
     else
         mob.node"rotate".angle = math.wrapf(mob.node"rotate".angle + am.delta_time, math.pi*2)
     end
-    --]]
 end
 
-local function make_and_register_mob()
+local function make_and_register_mob(mob_type)
     local mob = make_basic_entity(
         get_spawn_hex(),
-        am.circle(vec2(0), MOB_SIZE, COLORS.SUNRAY),
-        mob_update
+        am.rotate(TIME) ^ pack_texture_into_sprite(TEX_MOB_BEEPER, MOB_SIZE, MOB_SIZE),
+        update_mob
     )
 
     --mob.path           = get_mob_path(mob, HEX_MAP, mob.hex, HEX_GRID_CENTER)
     mob.health         = 10
-    mob.speed          = 100
+    mob.speed          = 10
     mob.bounty         = 5
     mob.hurtbox_radius = MOB_SIZE
 

src/projectile.lua

@@ -10,7 +10,7 @@ bullet/projectile(entity) structure
 }
 --]]
 
-function projectile_update(projectile, projectile_index)
+function update_projectile(projectile, projectile_index)
     projectile.position        = projectile.position + projectile.vector * projectile.velocity
     projectile.node.position2d = projectile.position
     projectile.hex             = pixel_to_hex(projectile.position)
@@ -63,13 +63,13 @@ function projectile_update(projectile, projectile_index)
     -- hit the mob, delete ourselves, affect the world
     do_hit_mob(closest_mob, projectile.damage, closest_mob_index)
     delete_entity(PROJECTILES, projectile_index)
-    WORLD:action(vplay_sound(SOUNDS.HIT1, 0.5))
+    vplay_sfx(SOUNDS.HIT1, 0.5)
 end
 
 function make_and_register_projectile(hex, vector, velocity, damage, hitbox_radius)
     local projectile = make_basic_entity(hex
                                        , am.line(vector, vector*hitbox_radius, 3, COLORS.CLARET)
-                                       , projectile_update)
+                                       , update_projectile)
     projectile.vector        = vector
     projectile.velocity      = velocity
     projectile.damage        = damage

src/tower.lua

@@ -11,14 +11,30 @@ tower(entity) structure:
 
 TOWER_TYPE = {
     REDEYE = 1,
-    WALL   = 11,
-    MOAT   = 12,
+    WALL   = 2,
+    MOAT   = 3,
 }
 
+function get_tower_build_cost(tower_type)
+        if tower_type == TOWER_TYPE.REDEYE then return 25
+    elseif tower_type == TOWER_TYPE.WALL then   return 5
+    elseif tower_type == TOWER_TYPE.MOAT then   return 15
+    end
+end
+
+function can_afford_tower(money, tower_type)
+    local cost = get_tower_build_cost(tower_type)
+
+        if tower_type == TOWER_TYPE.REDEYE then return (money - cost) > 0
+    elseif tower_type == TOWER_TYPE.WALL then   return (money - cost) > 0
+    elseif tower_type == TOWER_TYPE.MOAT then   return (money - cost) > 0
+    end
+end
+
 function get_tower_texture(tower_type)
-        if tower_type == TOWER_TYPE.REDEYE then return TEX_TOWER2
-    elseif tower_type == TOWER_TYPE.WALL then   return TEX_WALL_CLOSED
-    elseif tower_type == TOWER_TYPE.MOAT then   return TEX_MOAT1
+        if tower_type == TOWER_TYPE.REDEYE then return TEX_TOWER_REDEYE
+    elseif tower_type == TOWER_TYPE.WALL then   return TEX_TOWER_WALL
+    elseif tower_type == TOWER_TYPE.MOAT then   return TEX_TOWER_MOAT
     end
 end
 
@@ -35,21 +51,17 @@ local function get_tower_update_function(tower_type)
     end
 end
 
-local function make_tower_sprite(tower_type)
-    local texture = get_tower_texture(tower_type)
-    if tower_type == TOWER_TYPE.REDEYE then
-        return pack_texture_into_sprite(texture, HEX_PIXEL_SIZE.x, HEX_PIXEL_SIZE.y)
-
-    elseif tower_type == TOWER_TYPE.WALL then
-        return pack_texture_into_sprite(TEX_WALL_CLOSED, HEX_PIXEL_SIZE.x + 1, HEX_PIXEL_SIZE.y + 1)
-        --return am.circle(vec2(0), HEX_SIZE, COLORS.VERY_DARK_GRAY, 6)
+function update_wall_texture(hex)
+    for _,n in pairs(hex_neighbours(hex)) do
+        local tile = HEX_MAP.get(hex.x, hex.y)
 
-    elseif tower_type == TOWER_TYPE.MOAT then
-        --return pack_texture_into_sprite(TEX_MOAT1, HEX_PIXEL_SIZE.x, HEX_PIXEL_SIZE.y)
-        return am.circle(vec2(0), HEX_SIZE, COLORS.YALE_BLUE, 6)
     end
 end
 
+local function make_tower_sprite(tower_type)
+    return pack_texture_into_sprite(get_tower_texture(tower_type), HEX_PIXEL_WIDTH, HEX_PIXEL_HEIGHT)
+end
+
 function tower_on_hex(hex)
     return table.find(TOWERS, function(tower)
         return tower.hex == hex
@@ -99,7 +111,7 @@ function update_tower_redeye(tower, tower_index)
             )
 
             tower.last_shot_time = TIME
-            tower.node:action(vplay_sound(SOUNDS.LASER2))
+            vplay_sfx(SOUNDS.LASER2)
         end
     end
 end
@@ -123,7 +135,8 @@ function make_and_register_tower(hex, tower_type)
 end
 
 function build_tower(hex, tower_type)
+    update_money(-get_tower_build_cost(tower_type))
     make_and_register_tower(hex, tower_type)
-    WIN.scene:action(am.play(am.sfxr_synth(SOUNDS.EXPLOSION4)))
+    vplay_sfx(SOUNDS.EXPLOSION4)
 end
 

src/tower_spec.luaa

@@ -1,12 +0,0 @@
-
-
-REDEYE = {
-
-
-
-
-
-
-}
-
-

texture.lua

@@ -1,23 +1,17 @@
 
 
 function load_textures()
-    TEX_MARQUIS             = am.texture2d("res/marquis.png")
-
     TEX_BUTTON1             = am.texture2d("res/button1.png")
     TEX_WIDER_BUTTON1       = am.texture2d("res/wider_button1.png")
-
     TEX_TAB_ICON            = am.texture2d("res/tab_icon.png")
-    TEX_ARROW               = am.texture2d("res/arrow.png")
-
-    TEX_RADAR1              = am.texture2d("res/radar.png")
     TEX_SATELLITE           = am.texture2d("res/satelite.png")
-    TEX_WALL_CLOSED         = am.texture2d("res/wall_closed.png")
-    TEX_MOAT1               = am.texture2d("res/moat1.png")
-    TEX_TOWER1              = am.texture2d("res/tower1.png")
-    TEX_TOWER2              = am.texture2d("res/tower2.png")
 
-    TEX_MOB1_1              = am.texture2d("res/mob1_1.png")
-    TEX_MOB2_1              = am.texture2d("res/mob2_1.png")
+    TEX_TOWER_WALL          = am.texture2d("res/tower_wall.png")
+    TEX_TOWER_MOAT          = am.texture2d("res/tower_moat.png")
+    TEX_TOWER_REDEYE        = am.texture2d("res/tower_redeye.png")
+    TEX_TOWER_LIGHTHOUSE    = am.texture2d("res/tower_lighthouse.png")
+
+    TEX_MOB_BEEPER          = am.texture2d("res/mob_beeper.png")
 end
 
 function pack_texture_into_sprite(texture, width, height)