Implement technology tree, research queue by least remaining work, and unit/building tech availability & obsolescence

config/action_needed.yaml

@@ -4,6 +4,7 @@ action_needed:
   track_idle_units: true
   track_city_no_production: true
   track_city_free_population: true
+  track_no_research: true
   max_visible_items: 8
 
   # Visual & Layout parameters
@@ -19,5 +20,6 @@ action_needed:
   unit_idle_color: "#3CA0FF"
   city_no_prod_color: "#FFA028"
   city_free_pop_color: "#46DC82"
+  no_research_color: "#38C8FF"
   card_bg_color: "#121822"
   card_bg_alpha: 235

config/buildings.yaml

@@ -1,19 +1,55 @@
 # City Buildings & Extensions configuration
-# All gameplay values are configurable via YAML
+# All gameplay values, required technologies, and obsolescence technologies are configurable via YAML
 
 districts:
   center:
     id: "center"
     name: "City Center"
-    max_buildings: 10
+    max_buildings: 12
     description: "The urban core and administrative center of the city."
 
 buildings:
+  monument:
+    id: "monument"
+    name: "Monument"
+    district: "center"
+    labor_cost: 800
+    required_tech: ""
+    obsolete_tech: ""
+    food_modifier: 0.0
+    food_bonus: 0
+    labor_bonus: 0
+    culture_bonus: 250
+    science_bonus: 0
+    faith_bonus: 0
+    gold_bonus: 0
+    icon: "images/improvements/monument.png"
+    description: "+250 Culture per tick"
+
+  palisade:
+    id: "palisade"
+    name: "Wooden Palisade"
+    district: "center"
+    labor_cost: 700
+    required_tech: ""
+    obsolete_tech: "masonry"
+    food_modifier: 0.0
+    food_bonus: 0
+    labor_bonus: 100
+    culture_bonus: 100
+    science_bonus: 0
+    faith_bonus: 0
+    gold_bonus: 0
+    icon: "images/improvements/monument.png"
+    description: "+100 Production, +100 Culture/tick (Obsolete with Masonry)"
+
   granary:
     id: "granary"
     name: "Granary"
     district: "center"
     labor_cost: 1000
+    required_tech: "pottery"
+    obsolete_tech: ""
     food_modifier: 0.50
     food_bonus: 0
     labor_bonus: 0
@@ -24,17 +60,104 @@ buildings:
     icon: "images/improvements/granary.png"
     description: "+50% Food production in city"
 
-  monument:
-    id: "monument"
-    name: "Monument"
+  library:
+    id: "library"
+    name: "Library"
     district: "center"
-    labor_cost: 800
+    labor_cost: 1200
+    required_tech: "writing"
+    obsolete_tech: ""
     food_modifier: 0.0
     food_bonus: 0
     labor_bonus: 0
-    culture_bonus: 250
+    culture_bonus: 0
+    science_bonus: 350
+    faith_bonus: 0
+    gold_bonus: 0
+    icon: "images/resources/kennis.png"
+    description: "+350 Science per tick"
+
+  walls:
+    id: "walls"
+    name: "Stone Walls"
+    district: "center"
+    labor_cost: 1500
+    required_tech: "masonry"
+    obsolete_tech: "gunpowder"
+    food_modifier: 0.0
+    food_bonus: 0
+    labor_bonus: 200
+    culture_bonus: 200
     science_bonus: 0
     faith_bonus: 0
     gold_bonus: 0
     icon: "images/improvements/monument.png"
-    description: "+250 Culture per tick"
+    description: "+200 Production, +200 Culture/tick (Obsolete with Gunpowder)"
+
+  water_mill:
+    id: "water_mill"
+    name: "Water Mill"
+    district: "center"
+    labor_cost: 1600
+    required_tech: "wheel"
+    obsolete_tech: ""
+    food_modifier: 0.0
+    food_bonus: 200
+    labor_bonus: 250
+    culture_bonus: 0
+    science_bonus: 0
+    faith_bonus: 0
+    gold_bonus: 0
+    icon: "images/improvements/granary.png"
+    description: "+200 Food, +250 Production per tick"
+
+  market:
+    id: "market"
+    name: "Market"
+    district: "center"
+    labor_cost: 1800
+    required_tech: "currency"
+    obsolete_tech: ""
+    food_modifier: 0.0
+    food_bonus: 0
+    labor_bonus: 0
+    culture_bonus: 0
+    science_bonus: 0
+    faith_bonus: 0
+    gold_bonus: 400
+    icon: "images/resources/goud.png"
+    description: "+400 Gold per tick"
+
+  university:
+    id: "university"
+    name: "University"
+    district: "center"
+    labor_cost: 2800
+    required_tech: "education"
+    obsolete_tech: ""
+    food_modifier: 0.0
+    food_bonus: 0
+    labor_bonus: 0
+    culture_bonus: 100
+    science_bonus: 700
+    faith_bonus: 0
+    gold_bonus: 0
+    icon: "images/resources/kennis.png"
+    description: "+700 Science, +100 Culture per tick"
+
+  workshop:
+    id: "workshop"
+    name: "Workshop"
+    district: "center"
+    labor_cost: 2600
+    required_tech: "machinery"
+    obsolete_tech: ""
+    food_modifier: 0.0
+    food_bonus: 0
+    labor_bonus: 500
+    culture_bonus: 0
+    science_bonus: 0
+    faith_bonus: 0
+    gold_bonus: 0
+    icon: "images/resources/arbeid.png"
+    description: "+500 Production per tick"

config/strings_en.yaml

@@ -128,7 +128,7 @@ ui:
     management_title: "%1 - CITY MANAGEMENT"
     close_btn: "[X] Close"
     local_info: "Local: Population: %L1 (%2 Pop: %3 working, %4 free)  |  Labor: %L5"
-    national_info: "National: Culture: %L1  |  Science: %L2  |  Gold: %L3  |  Faith: %L4"
+    national_info: "National: Culture: %L1  |  Science: +%L2/tick  |  Gold: %L3  |  Faith: %L4"
     help_text: "Click a slot to assign/free Pop | Hold a slot to choose resource | Buy tile with Culture."
     current_production: "CURRENT PRODUCTION"
     production_panel_title: "CITY PRODUCTION"
@@ -160,6 +160,8 @@ ui:
     queued_item_removed: "%1: Removed %2 from queue"
     already_built: "%1 already built in this city!"
     already_queued: "%1 is already in the production queue!"
+    requires_tech: "%1 requires technology: %2!"
+    obsolete_item: "%1 is obsolete and can no longer be built!"
     growth_float: "+%1 Inhabitants | +%2 Culture"
     not_enough_culture: "Not enough Culture! (%1 needed)"
     worker_freed: "Pop worker freed"
@@ -187,6 +189,42 @@ ui:
     unit_idle_desc: "Needs orders"
     city_no_production_desc: "No production"
     city_free_pop_desc: "+%1 Free Pop"
+    no_research_title: "RESEARCH"
+    no_research_desc: "Choose technology"
     dismiss_tip: "Right-click to dismiss"
     more_items: "+%1"
 
+  tech_tree:
+    title: "TECHNOLOGY TREE"
+    close_btn: "[X] Close"
+    btn_open: "Tech [T]"
+    no_research: "No Research"
+    choose_research: "Choose Tech [T]"
+    science_rate: "+%L1/tick"
+    active_research: "ACTIVE RESEARCH: %1"
+    no_active_research: "No active research - Click any technology node below to start researching"
+    queue_label: "QUEUE (%1):"
+    clear_queue_btn: "Clear Queue"
+    status_researched: "RESEARCHED"
+    status_researching: "ACTIVE #1"
+    status_queued: "QUEUED #%1"
+    status_available: "AVAILABLE"
+    status_locked: "LOCKED"
+    cost_format: "%L1 Science (~%2 %3)"
+    progress_format: "%L1 / %L2 (%3%)"
+    remaining_format: "%L1 left (~%2 %3)"
+    tick_singular: "tick"
+    tick_plural: "ticks"
+    prereqs_label: "Req: %1"
+    prereqs_none: "Base Technology"
+    unlocks_label: "Unlocks: %1"
+    obsoletes_label: "Obsoletes: %1"
+    help_text: "Left-click a tech to research (prerequisites auto-queued by least remaining work) | Shift+Click to append | Right-click to remove | Drag/Scroll to pan"
+    tech_completed_float: "Technology Researched: %1!"
+    tech_started_float: "Researching: %1"
+    tech_queued_float: "Research Queue Updated (%1 techs, target: %2)"
+    tech_already_researched: "%1 has already been researched!"
+    tech_cancelled_float: "Research queue cleared"
+    tech_removed_float: "Removed %1 from research queue"
+
+

config/technologies.yaml

@@ -0,0 +1,202 @@
+# Technology Tree Configuration
+# All gameplay values, science costs, layout coordinates, and prerequisite chains are configurable via YAML.
+
+technologies:
+  pottery:
+    id: "pottery"
+    name: "Pottery"
+    science_cost: 1000
+    column: 0
+    row: 0
+    icon: "images/improvements/granary.png"
+    description: "Ceramic vessels for storing grain and preserving food supplies."
+
+  animal_husbandry:
+    id: "animal_husbandry"
+    name: "Animal Husbandry"
+    science_cost: 1000
+    column: 0
+    row: 1
+    icon: "images/resources/voedsel.png"
+    description: "Domestication and breeding of livestock for food and labor."
+
+  mining:
+    id: "mining"
+    name: "Mining"
+    science_cost: 1200
+    column: 0
+    row: 2
+    icon: "images/resources/arbeid.png"
+    description: "Extraction of stone and metal ores from the earth."
+
+  sailing:
+    id: "sailing"
+    name: "Sailing"
+    science_cost: 1500
+    column: 1
+    row: 0
+    icon: "images/units/galley.png"
+    description: "Harnessing the wind to navigate coastal waters."
+    prerequisites:
+      - "pottery"
+
+  writing:
+    id: "writing"
+    name: "Writing"
+    science_cost: 1800
+    column: 1
+    row: 1
+    icon: "images/resources/kennis.png"
+    description: "Recording laws, history, and scientific knowledge in script."
+    prerequisites:
+      - "pottery"
+
+  archery:
+    id: "archery"
+    name: "Archery"
+    science_cost: 1500
+    column: 1
+    row: 2
+    icon: "images/units/slinger.png"
+    description: "Use of bows and arrows for superior ranged warfare."
+    prerequisites:
+      - "animal_husbandry"
+
+  bronze_working:
+    id: "bronze_working"
+    name: "Bronze Working"
+    science_cost: 1800
+    column: 1
+    row: 3
+    icon: "images/units/warrior.png"
+    description: "Smelting copper and tin into durable bronze weapons and armor."
+    prerequisites:
+      - "mining"
+
+  masonry:
+    id: "masonry"
+    name: "Masonry"
+    science_cost: 1600
+    column: 1
+    row: 4
+    icon: "images/improvements/monument.png"
+    description: "Cutting and laying stone for permanent fortifications and monuments."
+    prerequisites:
+      - "mining"
+
+  celestial_navigation:
+    id: "celestial_navigation"
+    name: "Celestial Navigation"
+    science_cost: 2500
+    column: 2
+    row: 0
+    icon: "images/units/galley.png"
+    description: "Using the stars to guide maritime trade and exploration."
+    prerequisites:
+      - "sailing"
+      - "writing"
+
+  currency:
+    id: "currency"
+    name: "Currency"
+    science_cost: 2400
+    column: 2
+    row: 1
+    icon: "images/resources/goud.png"
+    description: "Standardized coinage enabling thriving markets and trade."
+    prerequisites:
+      - "writing"
+
+  wheel:
+    id: "wheel"
+    name: "The Wheel"
+    science_cost: 2200
+    column: 2
+    row: 2
+    icon: "images/actions/road.png"
+    description: "Rotational mechanics for transport and water-powered mills."
+    prerequisites:
+      - "archery"
+      - "mining"
+
+  horseback_riding:
+    id: "horseback_riding"
+    name: "Horseback Riding"
+    science_cost: 2500
+    column: 2
+    row: 3
+    icon: "images/actions/move.png"
+    description: "Mounted cavalry tactics for rapid battlefield maneuvers."
+    prerequisites:
+      - "archery"
+
+  iron_working:
+    id: "iron_working"
+    name: "Iron Working"
+    science_cost: 2800
+    column: 2
+    row: 4
+    icon: "images/actions/attack.png"
+    description: "Forging strong iron blades and heavy infantry armor."
+    prerequisites:
+      - "bronze_working"
+
+  education:
+    id: "education"
+    name: "Education"
+    science_cost: 3600
+    column: 3
+    row: 0
+    icon: "images/resources/kennis.png"
+    description: "Higher learning institutions and systematic scientific inquiry."
+    prerequisites:
+      - "currency"
+      - "celestial_navigation"
+
+  engineering:
+    id: "engineering"
+    name: "Engineering"
+    science_cost: 3400
+    column: 3
+    row: 2
+    icon: "images/resources/arbeid.png"
+    description: "Advanced structural design, aqueducts, and mechanical contraptions."
+    prerequisites:
+      - "wheel"
+      - "masonry"
+
+  stirrups:
+    id: "stirrups"
+    name: "Stirrups"
+    science_cost: 4000
+    column: 3
+    row: 3
+    icon: "images/actions/move.png"
+    description: "Saddle stirrups enabling heavily armored shock cavalry."
+    prerequisites:
+      - "horseback_riding"
+      - "iron_working"
+
+  machinery:
+    id: "machinery"
+    name: "Machinery"
+    science_cost: 4200
+    column: 4
+    row: 1
+    icon: "images/resources/arbeid.png"
+    description: "Mechanical gears, crossbows, and specialized workshops."
+    prerequisites:
+      - "engineering"
+      - "iron_working"
+
+  gunpowder:
+    id: "gunpowder"
+    name: "Gunpowder"
+    science_cost: 5200
+    column: 4
+    row: 3
+    icon: "images/actions/attack.png"
+    description: "Explosive black powder revolutionizing firearms and siege warfare."
+    prerequisites:
+      - "machinery"
+      - "stirrups"

config/units/archer.yaml

@@ -0,0 +1,16 @@
+id: archer
+name: Archer
+category: militair
+domain: land
+health: 85
+movement_speed: 2.0
+cost: 60
+labor_cost: 1200
+attack_damage: 25
+attack_range: 2
+required_tech: "archery"
+obsolete_tech: "machinery"
+icon: images/units/slinger.png
+actions:
+  - verplaatsen
+  - aanvallen

config/units/builder.yaml

@@ -6,7 +6,9 @@ health: 100
 movement_speed: 2.0
 cost: 50
 labor_cost: 1000
-build_charges: -1 # -1 voor oneindig doorwerken
+required_tech: ""
+obsolete_tech: ""
+build_charges: -1 # -1 for infinite build charges
 infinite_charges: true
 icon: images/units/builder.png
 actions:
@@ -14,5 +16,5 @@ actions:
   - boerderij_bouwen
   - build_road
 action_speeds:
-  boerderij_bouwen: 10.0 # Duur in seconden die deze builder unit nodig heeft voor de actie boerderij_bouwen
-  build_road: 2 # Duur in ticks
+  boerderij_bouwen: 10.0
+  build_road: 2

config/units/crossbowman.yaml

@@ -0,0 +1,16 @@
+id: crossbowman
+name: Crossbowman
+category: militair
+domain: land
+health: 110
+movement_speed: 2.0
+cost: 120
+labor_cost: 2400
+attack_damage: 42
+attack_range: 2
+required_tech: "machinery"
+obsolete_tech: ""
+icon: images/units/slinger.png
+actions:
+  - verplaatsen
+  - aanvallen

config/units/galley.yaml

@@ -8,6 +8,8 @@ cost: 60
 labor_cost: 1500
 attack_damage: 25
 attack_range: 1
+required_tech: "sailing"
+obsolete_tech: ""
 icon: images/units/galley.png
 actions:
   - verplaatsen

config/units/horseman.yaml

@@ -0,0 +1,16 @@
+id: horseman
+name: Horseman
+category: militair
+domain: land
+health: 125
+movement_speed: 4.0
+cost: 85
+labor_cost: 1700
+attack_damage: 34
+attack_range: 1
+required_tech: "horseback_riding"
+obsolete_tech: "stirrups"
+icon: images/units/warrior.png
+actions:
+  - verplaatsen
+  - aanvallen

config/units/knight.yaml

@@ -0,0 +1,16 @@
+id: knight
+name: Knight
+category: militair
+domain: land
+health: 180
+movement_speed: 4.0
+cost: 140
+labor_cost: 2800
+attack_damage: 52
+attack_range: 1
+required_tech: "stirrups"
+obsolete_tech: ""
+icon: images/units/warrior.png
+actions:
+  - verplaatsen
+  - aanvallen

config/units/musketman.yaml

@@ -0,0 +1,16 @@
+id: musketman
+name: Musketman
+category: militair
+domain: land
+health: 200
+movement_speed: 2.0
+cost: 160
+labor_cost: 3200
+attack_damage: 60
+attack_range: 1
+required_tech: "gunpowder"
+obsolete_tech: ""
+icon: images/units/warrior.png
+actions:
+  - verplaatsen
+  - aanvallen

config/units/settler.yaml

@@ -6,6 +6,8 @@ health: 100
 movement_speed: 2.0
 cost: 80
 labor_cost: 2000
+required_tech: ""
+obsolete_tech: ""
 icon: images/units/settler.png
 actions:
   - verplaatsen

config/units/slinger.yaml

@@ -8,6 +8,8 @@ cost: 35
 labor_cost: 800
 attack_damage: 15
 attack_range: 2
+required_tech: ""
+obsolete_tech: "archery"
 icon: images/units/slinger.png
 actions:
   - verplaatsen

config/units/spearman.yaml

@@ -0,0 +1,16 @@
+id: spearman
+name: Spearman
+category: militair
+domain: land
+health: 120
+movement_speed: 2.0
+cost: 65
+labor_cost: 1300
+attack_damage: 28
+attack_range: 1
+required_tech: "bronze_working"
+obsolete_tech: "gunpowder"
+icon: images/units/warrior.png
+actions:
+  - verplaatsen
+  - aanvallen

config/units/swordsman.yaml

@@ -0,0 +1,16 @@
+id: swordsman
+name: Swordsman
+category: militair
+domain: land
+health: 140
+movement_speed: 2.0
+cost: 90
+labor_cost: 1800
+attack_damage: 38
+attack_range: 1
+required_tech: "iron_working"
+obsolete_tech: "gunpowder"
+icon: images/units/warrior.png
+actions:
+  - verplaatsen
+  - aanvallen

config/units/warrior.yaml

@@ -8,6 +8,8 @@ cost: 40
 labor_cost: 1000
 attack_damage: 20
 attack_range: 1
+required_tech: ""
+obsolete_tech: "iron_working"
 icon: images/units/warrior.png
 actions:
   - verplaatsen