From fb5a98b72ab79949d1da7f75a3d6150c2906ef40 Mon Sep 17 00:00:00 2001
From: jacopograndi <jak.sk8@hotmail.it>
Date: Mon, 30 Aug 2021 14:48:06 +0200
Subject: gui: tech representation, menu, tile & unit info, attack info

---
 CMakeFiles/sdl_test.dir/CXX.includecache           | 1120 ++++++++++++++++++++
 CMakeFiles/sdl_test.dir/depend.internal            |    1 +
 CMakeFiles/sdl_test.dir/depend.make                |    1 +
 CMakeFiles/sdl_test.dir/game/ground.cpp.obj        |  Bin 184154 -> 184139 bytes
 CMakeFiles/sdl_test.dir/game/gst.cpp.obj           |  Bin 162940 -> 166407 bytes
 CMakeFiles/sdl_test.dir/game/load.cpp.obj          |  Bin 2080546 -> 2113607 bytes
 CMakeFiles/sdl_test.dir/game/menu.cpp.obj          |  Bin 47831 -> 182045 bytes
 CMakeFiles/sdl_test.dir/game/playercontrol.cpp.obj |  Bin 380835 -> 443933 bytes
 CMakeFiles/sdl_test.dir/game/view.cpp.obj          |  Bin 14430 -> 15564 bytes
 CMakeFiles/sdl_test.dir/graphics/graphics.cpp.obj  |  Bin 87662 -> 226173 bytes
 CMakeFiles/sdl_test.dir/main.cpp.obj               |  Bin 267872 -> 302022 bytes
 CMakeFiles/sdl_test.dir/objects.a                  |  Bin 3639720 -> 4076418 bytes
 build/content/entities.json                        |  155 ++-
 build/content/gf.bmp                               |  Bin 28474 -> 28474 bytes
 build/content/sprites.bmp                          |  Bin 3145782 -> 3145782 bytes
 build/content/techs.json                           |  696 ++++++------
 build/content/tiles.json                           |    2 +-
 build/sdl_test.exe                                 |  Bin 1878308 -> 2056346 bytes
 game/entity.h                                      |    2 +-
 game/ground.cpp                                    |    4 +-
 game/gst.cpp                                       |  142 ++-
 game/gst.h                                         |   18 +
 game/load.cpp                                      |   16 +
 game/menu.cpp                                      |   48 +
 game/menu.h                                        |   25 +-
 game/player.h                                      |    2 +
 game/playercontrol.cpp                             |   47 +-
 game/playercontrol.h                               |    1 +
 game/tech.h                                        |    3 +
 game/view.cpp                                      |   55 +-
 game/view.h                                        |    2 +
 graphics/graphics.cpp                              |  411 ++++++-
 graphics/graphics.h                                |    1 +
 main.cpp                                           |    7 +-
 34 files changed, 2343 insertions(+), 416 deletions(-)

diff --git a/CMakeFiles/sdl_test.dir/CXX.includecache b/CMakeFiles/sdl_test.dir/CXX.includecache
index 60ea70a..cf9bd6c 100644
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     },{
         "name": "Spearmen",
-        "id": 7, "unit": 1, "class": "inf",
+        "id": 7, "unit": 1, "class": "inf", "level": 1,
         "move" : 7, "attack": 150, "defence": 150,
         "range": 1, "sight": 7,
         "spritebounds": [ 144, 32 ], 
         "cost": [ 125, 50 ],
-        "abilities": [ "Anti-Cavalry" ]
+        "abilities": [ "Anti-Cavalry" ],
+        "upgrade": 11
     },{
         "name": "Knight",
-        "id": 8, "unit": 1, "class": "cav",
+        "id": 8, "unit": 1, "class": "cav", "level": 2,
         "move" : 10, "attack": 200, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 128, 48 ], 
@@ -135,7 +205,7 @@
         "abilities": [ "Plains Charge" ]
     },{
         "name": "Camels",
-        "id": 9, "unit": 1, "class": "cav",
+        "id": 9, "unit": 1, "class": "cav", "level": 2,
         "move" : 10, "attack": 200, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 192, 48 ], 
@@ -143,14 +213,14 @@
         "abilities": [ "Desert Charge", "Scares Horses" ]
     },{
         "name": "Longswordmen",
-        "id": 10, "unit": 1, "class": "inf",
+        "id": 10, "unit": 1, "class": "inf", "level": 2,
         "move" : 7, "attack": 200, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 112, 48 ], 
         "cost": [ 125, 50 ]
     },{
         "name": "Pikemen",
-        "id": 11, "unit": 1, "class": "inf",
+        "id": 11, "unit": 1, "class": "inf", "level": 2,
         "move" : 7, "attack": 150, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 144, 48 ], 
@@ -158,7 +228,7 @@
         "abilities": [ "Anti-Cavalry" ]
     },{
         "name": "Viking Berserkers",
-        "id": 12, "unit": 1, "class": "inf",
+        "id": 12, "unit": 1, "class": "inf", "level": 2,
         "move" : 7, "attack": 200, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 208, 48 ], 
@@ -166,7 +236,7 @@
         "abilities": [ "Frenzy" ]
     },{
         "name": "Crossbowmen",
-        "id": 13, "unit": 1, "class": "ran",
+        "id": 13, "unit": 1, "class": "ran", "level": 2,
         "move" : 7, "attack": 200, "defence": 175,
         "range": 3, "sight": 7,
         "spritebounds": [ 224, 48 ], 
@@ -174,7 +244,7 @@
         "abilities": [ "No Move & Attack" ]
     },{
         "name": "Elite Skirmishers",
-        "id": 14, "unit": 1, "class": "ran",
+        "id": 14, "unit": 1, "class": "ran", "level": 2,
         "move" : 7, "attack": 150, "defence": 150,
         "range": 2, "sight": 7,
         "spritebounds": [ 176, 48 ], 
@@ -182,14 +252,14 @@
         "abilities": [ "Skirmish" ]
     },{
         "name": "Horse Archers",
-        "id": 15, "unit": 1, "class": "ran",
+        "id": 15, "unit": 1, "class": "ran", "level": 2,
         "move" : 10, "attack": 150, "defence": 150,
         "range": 2, "sight": 7,
         "spritebounds": [ 240, 48 ], 
         "cost": [ 125, 50 ]
     },{
         "name": "Throwing Axmen",
-        "id": 16, "unit": 1, "class": "inf",
+        "id": 16, "unit": 1, "class": "inf", "level": 2,
         "move" : 7, "attack": 225, "defence": 250,
         "range": 1, "sight": 7,
         "spritebounds": [ 256, 48 ], 
@@ -197,7 +267,7 @@
         "abilities": [ "Skirmish", "Woodsman" ]
     },{
         "name": "Persian War Elephants",
-        "id": 17, "unit": 1, "class": "cav",
+        "id": 17, "unit": 1, "class": "cav", "level": 2,
         "move" : 7, "attack": 200, "defence": 250,
         "range": 1, "sight": 7,
         "spritebounds": [ 272, 48 ], 
@@ -205,7 +275,7 @@
         "abilities": [ "Causes Fear" ]
     },{
         "name": "Celtic Woad Raiders",
-        "id": 18, "unit": 1, "class": "inf",
+        "id": 18, "unit": 1, "class": "inf", "level": 2,
         "move" : 7, "attack": 200, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 288, 48 ], 
@@ -213,7 +283,7 @@
         "abilities": [ "Causes Fear" ]
     },{
         "name": "Knights Templar",
-        "id": 19, "unit": 1, "class": "cav",
+        "id": 19, "unit": 1, "class": "cav", "level": 2,
         "move" : 7, "attack": 200, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 304, 48 ], 
@@ -221,7 +291,7 @@
         "abilities": [ "Plains Charge", "Zeal" ]
     },{
         "name": "Scorpions",
-        "id": 20, "unit": 1, "class": "sie",
+        "id": 20, "unit": 1, "class": "sie", "level": 2,
         "move" : 7, "attack": 350, "defence": 250,
         "range": 3, "sight": 7,
         "spritebounds": [ 320, 48 ], 
@@ -229,7 +299,7 @@
         "abilities": [ "Units Only", "No Counter", "No Move & Attack" ]
     },{
         "name": "Battering Rams",
-        "id": 21, "unit": 1, "class": "sie",
+        "id": 21, "unit": 1, "class": "sie", "level": 2,
         "move" : 7, "attack": 400, "defence": 325,
         "range": 1, "sight": 7,
         "spritebounds": [ 336, 48 ], 
@@ -237,7 +307,7 @@
         "abilities": [ "Buildings Only", "No Counter" ]
     },{
         "name": "Onagers",
-        "id": 22, "unit": 1, "class": "sie",
+        "id": 22, "unit": 1, "class": "sie", "level": 2,
         "move" : 7, "attack": 275, "defence": 275,
         "range": 1, "sight": 7,
         "spritebounds": [ 352, 48 ], 
@@ -245,11 +315,18 @@
         "abilities": [ "No Move & Attack", "No Counter" ]
     },{
         "name": "Monks",
-        "id": 23, "unit": 1, "class": "inf",
+        "id": 23, "unit": 1, "class": "inf", "level": 2,
         "move" : 7, "attack": 50, "defence": 200,
         "range": 1, "sight": 7,
         "spritebounds": [ 368, 48 ], 
         "cost": [ 125, 50 ],
         "abilities": [ "Heal", "Convert" ]
+    },{
+        "name": "Archers",
+        "id": 24, "unit": 1, "class": "ran", "level": 2,
+        "move" : 7, "attack": 150, "defence": 100,
+        "range": 3, "sight": 7,
+        "spritebounds": [ 160, 32 ], 
+        "cost": [ 125, 50 ]
     }
 ]
\ No newline at end of file
diff --git a/build/content/gf.bmp b/build/content/gf.bmp
index dbe9758..9450576 100644
Binary files a/build/content/gf.bmp and b/build/content/gf.bmp differ
diff --git a/build/content/sprites.bmp b/build/content/sprites.bmp
index 2696bb5..0cb4039 100644
Binary files a/build/content/sprites.bmp and b/build/content/sprites.bmp differ
diff --git a/build/content/techs.json b/build/content/techs.json
index f724969..df2ac8d 100644
--- a/build/content/techs.json
+++ b/build/content/techs.json
@@ -1,304 +1,398 @@
 [
     {
-        "name": "Loom",
-        "cost": [ 50, 150 ]
-        ""
+        "name": "Loom", "id": 0, "level": 0,
+        "cost": [ 50, 150 ], "req_id": 100,
+        "bonus": {
+            "aff_id": [ 0 ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Town Scouts", "id": 1, "level": 0,
+        "cost": [ 50, 150 ], "req_id": 100,
+        "bonus": {
+            "aff_id": [ 100 ],
+            "sight": 4
+        }
+    },{
+        "name": "Leather Soles", "id": 2, "level": 0,
+        "cost": [ 50, 150 ], "req_id": 100,
+        "bonus": {
+            "aff_id": [ 0 ],
+            "move": 1
+        }
+    },{
+        "name": "Weaponsmith", "id": 3, "level": 0,
+        "cost": [ 50, 150 ], "req_id": 104,
+        "bonus": {
+            "aff_id": [ 1 ],
+            "attack": 0.25
+        }
+    },{
+        "name": "Town Watch", "id": 4, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 100,
+        "bonus": {
+            "aff_id": [ 100 ],
+            "defence": 0.2, "sight": 2
+        }
+    },{
+        "name": "Wheelbarrow", "id": 5, "level": 1,
+        "cost": [ 125, 375 ], "req_id": 100,
+        "bonus": {
+            "aff_class": [ "bld" ],
+            "cost": [ -0.1, -0.1 ]
+        }
+    },{
+        "name": "Advanced Mining", "id": 6, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 102,
+        "bonus": {
+            "aff_id": [ 102 ],
+            "prod": [ 0, 0.15 ]
+        }
+    },{
+        "name": "Horse Collar", "id": 7, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 101,
+        "bonus": {
+            "prod": [ 0.15, 0 ]
+        }
+    },{
+        "name": "Scale Mail Armor", "id": 8, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 106,
+        "bonus": {
+            "aff_class": [ "inf" ],
+            "aff_level": 1,
+            "defence": 0.25
+        }
+    },{
+        "name": "Scale Barding", "id": 9, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 106,
+        "bonus": {
+            "aff_class": [ "cav" ],
+            "aff_level": 1,
+            "defence": 0.25
+        }
+    },{
+        "name": "Fletching", "id": 10, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 106,
+        "bonus": {
+            "aff_class": [ "ran" ],
+            "aff_level": 1,
+            "attack": 0.25
+        }
+    },{
+        "name": "Padded Armor", "id": 11, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 106,
+        "bonus": {
+            "aff_class": [ "ran" ],
+            "aff_level": 1,
+            "defence": 0.25
+        }
+    },{
+        "name": "Forging", "id": 12, "level": 1,
+        "cost": [ 155, 470 ], "req_id": 106,
+        "bonus": {
+            "aff_class": [ "inf", "cav" ],
+            "aff_level": 1,
+            "attack": 0.25
+        }
+    },{
+        "name": "Tracking", "id": 13, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 104,
+        "bonus": {
+            "aff_class": [ "inf" ],
+            "sight": 2
+        }
+    },{
+        "name": "Cartography", "id": 14, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 107,
+        "bonus": {
+            "sight": 1
+        }
+    },{
+        "name": "Trading", "id": 15, "level": 1,
+        "cost": [ 95, 280 ], "req_id": 107,
+        "bonus": {
+            "trade": 1
+        }
+    },{
+        "name": "Coniage", "id": 16, "level": 1,
+        "cost": [ 125, 375 ], "req_id": 107,
+        "bonus": {
+            "prod": [ 0, 0.1 ]
+        }
+    },{
+        "name": "Town Patrol", "id": 17, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 100,
+        "bonus": {
+            "aff_id": [ 100 ],
+            "defence": 0.2, "sight": 2
+        }
+    },{
+        "name": "Hand Cart", "id": 18, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 100,
+        "bonus": {
+            "aff_class": [ "bld" ],
+            "cost": [ -0.1, -0.1 ]
+        }
+    },{
+        "name": "Shaft Mining", "id": 19, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 102,
+        "bonus": {
+            "aff_id": [ 102 ],
+            "prod": [ 0, 0.15 ]
+        }
+    },{
+        "name": "Heavy Plow", "id": 20, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 101,
+        "bonus": {
+            "prod": [ 0.1, 0 ]
+        }
+    },{
+        "name": "Chain Mail Armor", "id": 21, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 2,
+            "aff_class": [ "inf" ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Chain Barding", "id": 22, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 2,
+            "aff_class": [ "cav" ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Bodkin Arrow", "id": 23, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 2,
+            "aff_class": [ "ran" ],
+            "attack": 0.25
+        }
+    },{
+        "name": "Leather Armor", "id": 24, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 2,
+            "aff_class": [ "ran" ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Iron Casting", "id": 25, "level": 2,
+        "cost": [ 250, 750 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 2,
+            "aff_class": [ "inf", "cav" ],
+            "attack": 0.25
+        }
+    },{
+        "name": "Conscription", "id": 26, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 104,
+        "bonus": {
+            "aff_class": [ "inf" ],
+            "cost_abs": [ -15, -15 ]
+        }
+    },{
+        "name": "Husbandry", "id": 27, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 108,
+        "bonus": {
+            "aff_class": [ "cav" ],
+            "cost_abs": [ -15, -15 ]
+        }
+    },{
+        "name": "Tournaments", "id": 28, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 105,
+        "bonus": {
+            "aff_class": [ "ran" ],
+            "cost_abs": [ -15, -15 ]
+        }
+    },{
+        "name": "Mechanics Guild", "id": 29, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 109,
+        "bonus": {
+            "aff_class": [ "sie" ],
+            "cost_abs": [ -15, -15 ]
+        }
+    },{
+        "name": "Banking", "id": 30, "level": 2,
+        "cost": [ 200, 600 ], "req_id": 107,
+        "bonus": {
+            "trade": 1,
+            "prod": [ 0, 0.05 ]
+        }
+    },{
+        "name": "Merchant Network", "id": 31, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 107,
+        "bonus": {
+            "aff_mercs": 1,
+            "cost_abs": [ 0, -25 ]
+        }
+    },{
+        "name": "Redemption", "id": 32, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 110,
+        "bonus": {
+            "aff_id": [ 23 ],
+            "improved_heal": 1
+        }
+    },{
+        "name": "Fervor", "id": 33, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 110,
+        "bonus": {
+            "aff_id": [ 23 ],
+            "improved_convert": 1
+        }
+    },{
+        "name": "Sanctity", "id": 34, "level": 2,
+        "cost": [ 150, 450 ], "req_id": 110,
+        "bonus": {
+            "aff_id": [ 23 ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Murder Holes", "id": 35, "level": 2,
+        "cost": [ 95, 280 ], "req_id": 111,
+        "bonus": {
+            "aff_id": [ 112 ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Masonry", "id": 36, "level": 2,
+        "cost": [ 95, 280 ], "req_id": 111,
+        "bonus": {
+            "aff_class": [ "bld" ],
+            "defence": 0.05
+        }
+    },{
+        "name": "Crop Rotation", "id": 37, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 101,
+        "bonus": {
+            "prod": [ 0.1, 0 ]
+        }
+    },{
+        "name": "Plate Mail", "id": 38, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 3,
+            "aff_class": [ "inf" ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Plate Barding", "id": 39, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 3,
+            "aff_class": [ "cav" ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Bracers", "id": 40, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 3,
+            "aff_class": [ "ran" ],
+            "attack": 0.25
+        }
+    },{
+        "name": "Ring Archer Armor", "id": 41, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 3,
+            "aff_class": [ "ran" ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Blast Furnace", "id": 42, "level": 3,
+        "cost": [ 625, 975 ], "req_id": 106,
+        "bonus": {
+            "aff_level": 3,
+            "aff_class": [ "inf", "cav" ],
+            "attack": 0.25
+        }
+    },{
+        "name": "Arena", "id": 43, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 104
+    },{
+        "name": "Squires", "id": 44, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 108
+    },{
+        "name": "Flaming Arrows", "id": 45, "level": 3,
+        "cost": [ 300, 900 ], "req_id": 105
+    },{
+        "name": "Sappers", "id": 46, "level": 3,
+        "cost": [ 300, 900 ], "req_id": 113
+    },{
+        "name": "Hoardings", "id": 47, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 113, 
+        "bonus": {
+            "aff_id": [ 113 ],
+            "defence": 0.35
+        }
+    },{
+        "name": "Spies", "id": 48, "level": 3,
+        "cost": [ 300, 900 ], "req_id": 113
+    },{
+        "name": "Guilds", "id": 49, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 107, 
+        "bonus": {
+            "trade": 1,
+            "prod": [ 0, 0.05 ]
+        }
+    },{
+        "name": "Atonement", "id": 50, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 110, 
+        "bonus": {
+            "aff_id": [ 23 ],
+            "improved_heal": 1
+        }
+    },{
+        "name": "Block Printing", "id": 51, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 110, 
+        "bonus": {
+            "aff_id": [ 23 ],
+            "improved_convert": 1
+        }
+    },{
+        "name": "Illumination", "id": 52, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 110, 
+        "bonus": {
+            "aff_id": [ 110 ],
+            "prod": [ 0, 0.5 ]
+        }
+    },{
+        "name": "Faith", "id": 53, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 110, 
+        "bonus": {
+            "aff_id": [ 23 ],
+            "defence": 0.25
+        }
+    },{
+        "name": "Treadmill Crane", "id": 54, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 111, 
+        "bonus": {
+            "aff_class": [ "bld" ],
+            "cost": [ 0.1, 0.1 ]
+        }
+    },{
+        "name": "Siege Engineers", "id": 55, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 111
+    },{
+        "name": "Architecture", "id": 56, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 111, 
+        "bonus": {
+            "aff_class": [ "bld" ],
+            "defence": 0.05
+        }
+    },{
+        "name": "Chemistry", "id": 57, "level": 3,
+        "cost": [ 250, 750 ], "req_id": 111
+    },{
+        "name": "Ballistics", "id": 58, "level": 3,
+        "cost": [ 300, 900 ], "req_id": 111, 
+        "bonus": {
+            "aff_class": [ "sie" ],
+            "req_range": 1,
+            "attack": 0.25
+        }
     }
-]
-* Loom
-Requires: Town Center
-Cost: 50f 150g
-All Villagers get +25 DEF
-
-* Town Scouts
-Requires: Town Center
-Cost: 50f 150g
-Town Centers gain +4 Sight
-
-* Leather Soles
-Prereqs: Town Center
-Cost: 50f 150g
-Villagers gain +1 Move
-
-* Weaponsmith
-Requires: Barracks
-Cost: 50f 150g
-Militia gain +25 ATT
-
-============
--Feudal Age:
-============
-
-* Town Watch
-Requires: Town Center
-Cost: 95f 280g
-Improves Town Center DEF by +20% and Sight by +2
-
-* Wheelbarrow
-Requires: Town Center
-Cost: 125f 375g
-Cost of buildings is reduced by 10%
-
-* Advanced Mining
-Requires: Mine
-Cost: 95f 280g
-+15% to Mine income
-
-* Horse Collar
-Requires: Mill
-Cost: 95f 280g
-+15% to food income
-
-* Scale Mail Armor
-Requires: Blacksmith
-Cost: 95f 280g
-+25% DEF for Infantry
-
-* Scale Barding
-Requires: Blacksmith
-Cost: 95f 280g
-+25% DEF for Cavalry
-
-* Fletching
-Requires: Blacksmith
-Cost: 95f 280g
-+25% ATT for Ranged Units
-
-* Padded Armor
-Requires: Blacksmith
-Cost: 95f 280g
-+25% DEF for Ranged Units
-
-* Forging
-Requires: Blacksmith
-Cost: 155f 470g
-+25% ATT for Infantry and Cavalry
-
-* Tracking
-Requires: Barracks
-Cost: 95f 280g
-+2 Sight for Infantry
-
-* Cartography
-Requires: Market
-Cost: 95f 280g
-+1 Sight for all units
-
-++++++++++++
--Castle Age:
-++++++++++++
-
-* Town Patrol
-Requires: Town Center
-Cost: 150f 450g
-+2 Sight and +20% DEF for Town Center
-
-* Hand Cart
-Requires: Town Center
-Cost: 150f 450g
-Cost of Building is reduced by 10%
-
-* Shaft Mining
-Requires: Mine
-Cost: 150f 450g
-+15% to Mine income
-
-* Heavy Plow
-Requires: Mill
-Cost: 150f 450g
-+15% to food income
-
-* Chain Mail Armor
-Requires: Blacksmith
-Cost: 150f 450g
-+25% DEF to Age 3 infantry
-
-* Chain Barding
-Requires: Blacksmith
-Cost: 150f 450g
-+25% DEF to Age 3 Cavalry
-
-* Bodkin Arrow
-Requires: Blacksmith
-Cost: 150f 450g
-+25% ATT to Age 3 Ranged Units
-
-* Leather Armor
-Requires: Blacksmith
-Cost: 150f 450g
-+25% DEF to Age 3 Ranged Units
-
-* Iron Casting
-Requires: Blacksmith
-Cost: 250f 750g
-+25% ATT to Age 3 Infantry and Cavalry
-
-* Conscription
-Requires: Barracks
-Cost: 150f 450g
-Cost of Infantry is reduced by 15 food and 15 gold
-
-* Husbandry
-Requires: Stable
-Cost: 150f 450g
-Cost of Cavalry is reduced by 15 food and 15 gold
-
-* Archery Tournaments
-Requires: Archery Range
-Cost: 150f 450g
-Cost of Ranged Units is reduced by 15 food and 15 gold
-
-* Mechanics Guild
-Requires: Siege Workshop
-Cost: 150f 450g
-Cost of Siege Units is reduced by 15 food and 15 gold
-
-* Banking
-Requires: Market
-Cost: 200f 600g
-+ 5% gold Income and improved Trade Rate
-
-* Merchant Network
-Requires: Market
-Cost: 150f 450g
-Price for Mercenaries is reduced by 25%
-
-* Redemption
-Requires: Church
-Cost: 150f 450g
-Improves Heal ability of Monks and Elite Monks
-
-* Fervor
-Requires: Church
-Cost: 150f 450g
-Improves Convert ability of Monks and Elite Monks
-
-* Sanctity
-Requires: Church
-Cost: 150f 450g
-+25% DEF for Monks and Elite Monks
-
-* Murder Holes
-Requires: University
-Cost: 95f 280g
-+25% DEF for Towers
-
-* Masonry
-Requires: University
-Cost: 150f 450g
-+5% DEF for all buildings
-
-/////////////
-Imperial Age:
-\\\\\\\\\\\\\
-
-
-* Crop Rotation
-Requires: Mill
-Cost: 250f 750g
-+10% to food income
-
-* Plate Mail Armor
-Requires: Blacksmith
-Cost: 250f 750g
-Age 4 Infantry units gain +25% DEF
-
-* Plate Barding
-Requires: Blacksmith
-Cost: 250f 750g
-Age 4 Cavalry units gain +25% DEF
-
-* Bracers
-Requires: Blacksmith
-Cost: 250f 750g
-Age 4 Ranged units gain +25% ATK
-
-* Ring Archer Armor
-Requires: Blacksmith
-Cost: 250f 750g
-Age 4 Ranged units gain +25% DEF
-
-* Blast Furnace
-Requires: Blacksmith
-Cost: 625f 975g
-Age 4 INF and CAV units gain +25% ATK
-
-* Arena
-Requires: Barracks
-Cost: 250f 750g
-Allows Champions
-
-* Squires
-Requires: Stables
-Cost: 250f 750g
-Allows Paladins
-
-* Flaming Arrows
-Requires: Archery Range
-Cost: 300f 900g
-RNG units no longer suffer penalty vs. BLDGS
-
-* Sappers
-Requires: Castle
-Cost: 300f 900g
-All INF units improve in +50% ATK vs. buildings
-
-* Hoardings
-Requires: Castle
-Cost: 250f 750g
-Improves Castle DEF by +35%
-
-* Spies
-Requires: Castles
-Cost: 300f 900g
-All enemy Town Complexes are now sighted
-
-* Guilds
-Requires: Market
-Cost: 300f 900g
-+5% gold income and improves Trade rate
-
-* Atonement
-Requires: Church
-Cost: 250f 750g
-Improves Heal ability of Monks or Elite Monks
-
-* Block Printing
-Requires: Church
-Cost: 250f 750g
-Improves Convert ability of Monks or Elite Monks
-
-* Illumination
-Requires: Church
-Cost: 250f 750g
-+505 gold income from all relics
-
-* Faith
-Requires: Church
-Cost: 250f 750g
-Monks and Elite Monks gain +25% DEF
-
-* Treadmill Crane
-Requires: University
-Cost: 250f 750g
-Cost of buildings is reduced by 10%
-
-* Siege Engineers
-Requires: University
-Cost: 250f 750g
-Allows Imperial Age Siege units to be built
-
-* Architecture
-Requires: University
-Cost: 250f 750g
-+5% DEF for all buildings
-
-* Chemistry
-Requires: University
-Cost: 250f 750g
-Allows Hand Cannondeers and Bombard Cannons
-
-* Ballistics
-Requires: University
-Cost: 300f 900g
-+25% ATK for Siege units with Range above 1
\ No newline at end of file
+]
\ No newline at end of file
diff --git a/build/content/tiles.json b/build/content/tiles.json
index bb34075..40373ed 100644
--- a/build/content/tiles.json
+++ b/build/content/tiles.json
@@ -4,7 +4,7 @@
         "move_cost": 2,
         "sight_cost": 2,
         "range_bonus": 0,
-        "defence_bonus": 0.2,
+        "defence_bonus": 0.0,
         "spritebounds": [ 0, 16 ]
     },{
         "name": "Mountain",
diff --git a/build/sdl_test.exe b/build/sdl_test.exe
index 6d3f0c7..12fa827 100644
Binary files a/build/sdl_test.exe and b/build/sdl_test.exe differ
diff --git a/game/entity.h b/game/entity.h
index 36c8198..eeab110 100644
--- a/game/entity.h
+++ b/game/entity.h
@@ -49,7 +49,7 @@ class Entity {
         return x == oth.x && y == oth.y && info->unit == oth.info->unit;
     }
 
-    int building = 0;
+    int building { 0 };
     float hp; /**/
     int x, y;
     bool done = false;
diff --git a/game/ground.cpp b/game/ground.cpp
index 0ea273d..e6055bf 100644
--- a/game/ground.cpp
+++ b/game/ground.cpp
@@ -88,9 +88,7 @@ std::vector<int> Ground::move_area (Gst &gst, Entity &ent) {
 
 std::vector<int> Ground::attack_targets (Gst &gst, Entity &ent) {
     std::vector<int> attacks;
-    int range = ent.info->range;
-    range += gst.tiles[gst.ground.tiles[gst.ground.at(ent.x, ent.y)]]
-        .range_bonus;
+    int range = gst.get_range(ent);
     bool builds = !gst.info_has_ability(ent.info, "Units Only");
     bool units = !gst.info_has_ability(ent.info, "Buildings Only");
     for (Entity &e : gst.entities) {
diff --git a/game/gst.cpp b/game/gst.cpp
index f6d5aa1..0a524fc 100644
--- a/game/gst.cpp
+++ b/game/gst.cpp
@@ -28,25 +28,25 @@ Entity& Gst::get_at (int x, int y) {
 }
 
 float Gst::get_type_bonus (Entity &atk, Entity &def) {
-    float b = 1;
+    float b = 0;
     switch(atk.info->ent_class) {
         case EntityInfo::Class::inf: 
-        if (def.info->ent_class == EntityInfo::Class::bld) b += 1.0/3;
-        if (def.info->ent_class == EntityInfo::Class::sie) b += 1.0/3;
+        if (def.info->ent_class == EntityInfo::Class::bld) b += 1.0f/3.0f;
+        if (def.info->ent_class == EntityInfo::Class::sie) b += 1.0f/3.0f;
         break;
         
         case EntityInfo::Class::cav: 
         if (def.info->ent_class == EntityInfo::Class::bld) b += -0.5;
-        if (def.info->ent_class == EntityInfo::Class::inf) b += 1.0/3;
-        if (def.info->ent_class == EntityInfo::Class::ran) b += 1.0/3;
+        if (def.info->ent_class == EntityInfo::Class::inf) b += 1.0f/3.0f;
+        if (def.info->ent_class == EntityInfo::Class::ran) b += 1.0f/3.0f;
         break;
         
         case EntityInfo::Class::ran: 
-        if (def.info->ent_class == EntityInfo::Class::bld) b += -0.5;
+        if (def.info->ent_class == EntityInfo::Class::bld) b += -0.5f;
         break;
         
         case EntityInfo::Class::sie: 
-        if (def.info->ent_class == EntityInfo::Class::bld) b += +0.5;
+        if (def.info->ent_class == EntityInfo::Class::bld) b += +0.5f;
         break;
     }
     return b;
@@ -54,15 +54,24 @@ float Gst::get_type_bonus (Entity &atk, Entity &def) {
 
 std::vector<Bonus> Gst::get_bonuses (Entity &atk, Entity &def) {
     std::vector<Bonus> bs;
-    bs.emplace_back(
-        tiles[ground.tiles[ground.at(atk.x, atk.y)]].attack_bonus, 
-        Bonus::Id::ground, true);
-    bs.emplace_back(
-        tiles[ground.tiles[ground.at(def.x, def.y)]].defence_bonus, 
-        Bonus::Id::ground, false);
+    if (tiles[ground.tiles[ground.at(atk.x, atk.y)]].attack_bonus != 0) {
         
-    bs.emplace_back(get_type_bonus(atk, def), Bonus::Id::type, true);
-    bs.emplace_back(get_type_bonus(def, atk), Bonus::Id::type, false);
+        bs.emplace_back(
+            tiles[ground.tiles[ground.at(atk.x, atk.y)]].attack_bonus, 
+            Bonus::Id::ground, true);
+    }
+    if (tiles[ground.tiles[ground.at(def.x, def.y)]].defence_bonus != 0) {
+        bs.emplace_back(
+            tiles[ground.tiles[ground.at(def.x, def.y)]].defence_bonus, 
+            Bonus::Id::ground, false);
+    }
+        
+    if (get_type_bonus(atk, def) != 0) {
+        bs.emplace_back(get_type_bonus(atk, def), Bonus::Id::type, true);
+    }
+    if (get_type_bonus(def, atk) != 0) {
+        bs.emplace_back(get_type_bonus(def, atk), Bonus::Id::type, false);
+    }
     
     if (info_has_ability(atk.info, "Causes Fear")) 
         bs.emplace_back(-1.0f/3, Bonus::Id::ability, false);
@@ -95,11 +104,10 @@ std::vector<Bonus> Gst::get_bonuses (Entity &atk, Entity &def) {
     if (info_has_ability(atk.info, "Frenzy")) 
         bs.emplace_back(1/atk.hp, Bonus::Id::ability, true);
     
-    
     return bs;
 }
 
-float Gst::get_damage (Entity &atk, Entity &def) {
+float Gst::get_damage (Entity &atk, Entity &def, float atk_hp) {
     float atkmul = 1;
     float defmul = 1;
     
@@ -109,24 +117,30 @@ float Gst::get_damage (Entity &atk, Entity &def) {
         else { defmul += bonus.amt; }
     }
     
-    float dam = (atk.info->attack * atk.hp * atkmul) 
+    float dam = (atk.info->attack * atk_hp * atkmul) 
         / (2.0f*def.info->defence * defmul);
     
     return dam;
 }
 
+float Gst::get_damage (Entity &atk, Entity &def) {
+    return get_damage(atk, def, atk.hp);
+}
+
 bool Gst::get_first_strike (Entity &atk, Entity &def) {
     bool fs { false };
     fs = info_has_ability(atk.info, "First Strike");
     return fs;
 }
 
-float clamp (float hp) { if (hp > 100) hp = 100; return hp; }
+float clamp (float hp) { 
+    if (hp > 100) hp = 100; 
+    if (hp < 0) hp = 0;
+    return hp; 
+}
 
-void Gst::battle (Entity &atk, Entity &def) {
-    std::cout << "! attack " << atk.info->name << "(hp:" << atk.hp << "), "
-    << def.info->name << "(hp:" << def.hp << ") \n";
-    
+BattleResult Gst::battle_res (Entity &atk, Entity &def) {
+    BattleResult result { atk.hp, def.hp };
     bool first_strike_atk = info_has_ability(atk.info, "First Strike");
     bool first_strike_def = info_has_ability(def.info, "First Strike");
     bool skirmish_atk = info_has_ability(atk.info, "Skirmish");
@@ -142,30 +156,54 @@ void Gst::battle (Entity &atk, Entity &def) {
     first_strike_def = first_strike_def 
         || (anticav_def && atk.info->ent_class == EntityInfo::Class::cav);
         
+    int dist = abs(atk.x-def.x) + abs(atk.y-def.y);
+    bool def_inrange = (dist <= get_range(def)) ? true : false;
+        
     bool swap = false;
     if (first_strike_def && !first_strike_atk) swap = true;
     if (swap) {
-        atk.hp = clamp(atk.hp - get_damage(def, atk));
+        if (def_inrange) {
+            result.atk_hp = clamp(
+                result.atk_hp - get_damage(def, atk, result.def_hp));
+        }
         if (!info_has_ability(atk.info, "No Counter")) 
-            if (atk.hp > 0) def.hp -= get_damage(atk, def);
+            if (result.atk_hp > 0) 
+                result.def_hp = clamp(
+                    result.def_hp - get_damage(atk, def, result.atk_hp));
     } else {
-        def.hp = clamp(def.hp - get_damage(atk, def));
-        if (!info_has_ability(def.info, "No Counter")) 
-            if (def.hp > 0) atk.hp -= get_damage(def, atk);
+        result.def_hp = clamp(
+            result.def_hp - get_damage(atk, def, result.atk_hp));
+        if (!info_has_ability(def.info, "No Counter") && def_inrange) 
+            if (result.def_hp > 0) 
+                result.atk_hp = clamp(
+                    result.atk_hp - get_damage(def, atk, result.def_hp));
     }
     
     if (info_has_ability(atk.info, "Rapid Fire")) 
-        if (def.hp > 0) 
-            def.hp = clamp(def.hp - get_damage(atk, def));
+        if (result.def_hp > 0) 
+            result.def_hp = clamp(
+                result.def_hp - get_damage(atk, def, result.def_hp));
+    
+    if (info_has_ability(def.info, "Rapid Fire") && def_inrange)
+        if (result.atk_hp > 0) 
+            result.atk_hp = clamp(
+                result.atk_hp - get_damage(def, atk, result.def_hp));
     
-    if (info_has_ability(def.info, "Rapid Fire"))
-        if (atk.hp > 0) 
-            atk.hp = clamp(atk.hp - get_damage(def, atk));
+    if (result.atk_hp > 0 && info_has_ability(atk.info, "Zeal")) 
+        result.atk_hp = clamp(result.atk_hp + 20);
+    if (result.def_hp > 0 && info_has_ability(def.info, "Zeal")) 
+        result.def_hp = clamp(result.def_hp + 20);
+    
+    return result;
+}
+
+void Gst::battle (Entity &atk, Entity &def) {
+    std::cout << "! attack " << atk.info->name << "(hp:" << atk.hp << "), "
+    << def.info->name << "(hp:" << def.hp << ") \n";
     
-    if (atk.hp > 0 && info_has_ability(atk.info, "Zeal")) 
-        atk.hp = clamp(atk.hp + 20);
-    if (def.hp > 0 && info_has_ability(def.info, "Zeal")) 
-        def.hp = clamp(def.hp + 20);
+    auto result = battle_res(atk, def);
+    atk.hp = result.atk_hp;
+    def.hp = result.def_hp;
     
     std::cout << "! result " << atk.info->name << "(hp:" << atk.hp << "), "
     << def.info->name << "(hp:" << def.hp << ") \n";
@@ -182,6 +220,15 @@ void Gst::clear_dead() {
     }
 }
 
+int Gst::get_range (Entity &ent) {
+    int range = ent.info->range;
+    if (range > 1) {
+        range += tiles[ground.tiles[ground.at(ent.x, ent.y)]].range_bonus; 
+    }
+    if (range < 1) range = 1;
+    return range;
+}
+
 std::vector<int> Gst::get_possible_builds (Entity &ent) {
     std::vector<int> builds;
     for (int id : ent.info->build) {
@@ -196,7 +243,7 @@ bool Gst::check_req_build(Entity &ent, EntityInfo *info) {
     for (int id : info->adjacent) {
         bool adj = false;
         for (Entity &e : entities) {
-            if (e.info->id == id) {
+            if (e.info->id == id && ent.owner == e.owner) {
                 int dist = abs(e.x-ent.x) + abs(e.y-ent.y);
                 if (dist == 1) {
                     adj = true;
@@ -213,7 +260,7 @@ bool Gst::check_req_build(Entity &ent, EntityInfo *info) {
         }
         int mindist = 9999;
         for (Entity &e : entities) {
-            if (e.info->id == 100) {
+            if (e.info->id == 100 && ent.owner == e.owner) {
                 int dist = abs(e.x-ent.x) + abs(ent.y-e.y);
                 if (dist < mindist) {
                     mindist = dist;
@@ -260,4 +307,21 @@ void Gst::end_day () {
         turn = 0;
         day++;
     }
+    for (Entity &e : entities) {
+        e.done = false;
+        e.moved = 0;
+        if (e.owner == turn) {
+            Player &player = players[e.owner];
+            for (int i=0; i<player.res.size(); i++) {
+                player.res[i] += e.info->prod[i];
+            } 
+            // todo heal when on top of building
+            if (e.building < 0) {
+                e.building++;
+                if (e.building == 0) {
+                    e.hp += 50; if (e.hp > 100) e.hp = 100;
+                }
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/game/gst.h b/game/gst.h
index ef6929a..906b372 100644
--- a/game/gst.h
+++ b/game/gst.h
@@ -24,6 +24,21 @@ class Bonus {
     Bonus(float amt, int id, bool atk) : amt(amt), id(id), atk(atk) {}
     float amt; int id; bool atk;
     enum Id { ground, type, ability, tech };
+    std::string id_string () {
+        switch (id) {
+            case ground: return "Ground";
+            case type: return "Class";
+            case ability: return "Ability";
+            case tech: return "Tech";
+        }
+    }
+};
+
+class BattleResult {
+    public:
+    BattleResult(float atk_hp, float def_hp) 
+        : atk_hp(atk_hp), def_hp(def_hp) {}
+    float atk_hp, def_hp;
 };
 
 class Gst {
@@ -47,9 +62,12 @@ class Gst {
     float get_type_bonus (Entity &atk, Entity &def);
     std::vector<Bonus> get_bonuses (Entity &atk, Entity &def);
     float get_damage (Entity &atk, Entity &def);
+    float get_damage (Entity &atk, Entity &def, float atk_hp);
     bool get_first_strike (Entity &atk, Entity &def);
+    BattleResult battle_res (Entity &atk, Entity &def);
     void battle (Entity &atk, Entity &def);
     void clear_dead();    
+    int get_range(Entity &ent);
     
     std::vector<int> get_possible_builds (Entity &ent);
     
diff --git a/game/load.cpp b/game/load.cpp
index d1a1722..5baae6c 100644
--- a/game/load.cpp
+++ b/game/load.cpp
@@ -41,6 +41,8 @@ void load_json (Gst &gst) {
         Tile tile;
         tile.name = it["name"];
         tile.move_cost = it["move_cost"];
+        tile.defence_bonus = it["defence_bonus"];
+        tile.range_bonus = it["range_bonus"];
         tile.spritebounds = vec2 { it["spritebounds"][0], it["spritebounds"][1] };
         gst.tiles.push_back(tile);
     }
@@ -88,4 +90,18 @@ void load_json (Gst &gst) {
         ent.spritebounds = vec2 { it["spritebounds"][0], it["spritebounds"][1] };
         gst.infos.push_back(ent);
     }
+    
+    std::ifstream file_techs("content/techs.json");
+    json j_techs; file_techs >> j_techs;
+    for (auto it : j_techs) {
+        Tech tech;
+        tech.name = it["name"];
+        tech.id = it["id"];
+        tech.level = it["level"];
+        tech.req_id = it["req_id"];
+        for (int i=0; i<it["cost"].size(); i++) {
+            tech.cost[i] = it["cost"][i];
+        }
+        gst.techs.push_back(tech);
+    }
 }
\ No newline at end of file
diff --git a/game/menu.cpp b/game/menu.cpp
index a9ec886..b5a91b9 100644
--- a/game/menu.cpp
+++ b/game/menu.cpp
@@ -1,3 +1,5 @@
+#include <iostream>
+
 #include "menu.h"
 
 void Menu::close () {
@@ -5,6 +7,7 @@ void Menu::close () {
 }
 
 void Menu::open (vec2 res) {
+    over = -1;
     active = true;
     pos = vec2 { (float)res.x, (float)res.y };
     float height = options.size() * 20;
@@ -26,4 +29,49 @@ int Menu::mouse_option (vec2 mouse) {
         i++;
     }
     return -1;
+}
+
+
+void Menu_tech::open (vec2 res) {
+    over = -1;
+    active = true;
+    pos = vec2 { (float)res.x, (float)res.y };
+    
+    tech_opt_ordered.clear();
+    tech_opt_ordered.emplace_back();
+    tech_opt_ordered.emplace_back();
+    tech_opt_ordered.emplace_back();
+    tech_opt_ordered.emplace_back();
+    
+    for (OptionTech opt : tech_options) {
+        tech_opt_ordered[opt.tech->level].emplace_back(opt);
+    }
+    int maxsize = 0;
+    for (auto v : tech_opt_ordered) { 
+        maxsize = maxsize < v.size() ? v.size() : maxsize;
+    }
+    
+    float width = 150 * tech_opt_ordered.size();
+    float height = maxsize * 10;
+    size = vec2 { width, height+20 };
+    pos *= 0.5f;
+    pos -= size/2;
+}
+
+int Menu_tech::mouse_option (vec2 mouse) {
+    float x = 0, y = 0;
+    for (auto v : tech_opt_ordered) {
+        for (auto opt : v) {
+            vec2 off { x*150, 10.0f + y*10 };
+            vec2 sizeopt { 150, 10 };
+            off += pos;
+            if (off.x < mouse.x && mouse.x < off.x+sizeopt.x 
+            && off.y < mouse.y && mouse.y < off.y+sizeopt.y ) {
+                return opt.tech->id;
+            }
+            y++;
+        }
+        x++; y=0;
+    }
+    return -1;
 }
\ No newline at end of file
diff --git a/game/menu.h b/game/menu.h
index bf181b5..462d893 100644
--- a/game/menu.h
+++ b/game/menu.h
@@ -5,6 +5,7 @@
 #include <string>
 
 #include "../umath/vec2.h"
+#include "tech.h"
 
 class Option {
     public:
@@ -22,10 +23,11 @@ class Menu {
     bool active { false };    
     std::vector<Option> options;
     vec2 pos, size;
+    int over;
     
-    void open (vec2 res);
     void close ();
-    int mouse_option (vec2 mouse);
+    virtual void open (vec2 res);
+    virtual int mouse_option (vec2 mouse);
 };
 
 class Menu_unit : public Menu {
@@ -55,4 +57,23 @@ class Menu_train : public Menu {
     Menu_train () {}
 };
 
+
+class OptionTech {
+    public:
+    OptionTech(std::string name, Tech *tech) : name(name), tech(tech) {}
+    
+    std::string name;
+    Tech *tech;
+};
+
+class Menu_tech : public Menu {
+    public:
+    Menu_tech () {}
+    std::vector<OptionTech> tech_options;
+    std::vector<std::vector<OptionTech>> tech_opt_ordered;
+    
+    void open (vec2 res) override;
+    int mouse_option (vec2 mouse) override;
+};
+
 #endif
\ No newline at end of file
diff --git a/game/player.h b/game/player.h
index ec4657e..01d8ee9 100644
--- a/game/player.h
+++ b/game/player.h
@@ -11,6 +11,8 @@ class Player {
     std::vector<int> res { 0, 0 };
     std::vector<int> techs;
     
+    int level { 0 };
+    
     int r, g, b;
 };
 
diff --git a/game/playercontrol.cpp b/game/playercontrol.cpp
index 647f487..90e063e 100644
--- a/game/playercontrol.cpp
+++ b/game/playercontrol.cpp
@@ -63,23 +63,6 @@ Player_control::Player_control () {
             view.menu_day.close();
             view.selected_ground = -1;
             gst.end_day();
-            for (Entity &e : gst.entities) {
-                e.done = false;
-                e.moved = 0;
-                if (e.owner == gst.turn) {
-                    Player &player = gst.players[e.owner];
-                    for (int i=0; i<player.res.size(); i++) {
-                        player.res[i] += e.info->prod[i];
-                    } 
-                    // todo heal when on top of building
-                    if (e.building < 0) {
-                        e.building++;
-                        if (e.building == 0) {
-                            e.hp += 50; if (e.hp > 100) e.hp = 100;
-                        }
-                    }
-                }
-            }
             std::cout << "end day " << p << "\n";
             return select;
         }
@@ -92,6 +75,36 @@ Player_control::Player_control () {
             return select;
         }
     );   
+    fsm.arcs.emplace_back(
+        menu_day, opt, Menu_day::Opts::tech,
+        [](Gst &gst, View &view, Fsm &fsm, int p) { 
+            view.menu_day.close();
+            view.menu_tech.tech_options.clear();
+            for (Tech &tech : gst.techs) {
+                view.menu_tech.tech_options.emplace_back(tech.name, &tech);
+            }
+            view.menu_tech.open(view.res);
+            std::cout << "tech screen " << "\n";
+            return menu_tech;
+        }
+    ); 
+    fsm.arcs.emplace_back(
+        menu_tech, opt, -1,
+        [](Gst &gst, View &view, Fsm &fsm, int p) { 
+            view.menu_tech.close();
+            view.selected_ground = -1; 
+            std::cout << "selected tech " << p << "\n";
+            return select;
+        }
+    ); 
+    fsm.arcs.emplace_back(
+        menu_tech, back, -1,
+        [](Gst &gst, View &view, Fsm &fsm, int p) { 
+            view.menu_tech.close();
+            view.selected_ground = -1; 
+            return select;
+        }
+    ); 
     fsm.arcs.emplace_back(
         select, sel_unit, -1,
         [](Gst &gst, View &view, Fsm &fsm, int p) { 
diff --git a/game/playercontrol.h b/game/playercontrol.h
index 62de46d..3096ada 100644
--- a/game/playercontrol.h
+++ b/game/playercontrol.h
@@ -31,6 +31,7 @@ enum pc_state {
     target_power,
     menu_unit,
     menu_day,
+    menu_tech,
     end
 };
 
diff --git a/game/tech.h b/game/tech.h
index a8de9c1..84ef05c 100644
--- a/game/tech.h
+++ b/game/tech.h
@@ -11,6 +11,9 @@ class Tech {
     Tech() {}
     
     std::string name;
+    int id;
+    int level;
+    int req_id;
     std::vector<int> cost { 0, 0 };
     
     vec2 spritebounds { 0, 0 };
diff --git a/game/view.cpp b/game/view.cpp
index d00fd2a..095a99a 100644
--- a/game/view.cpp
+++ b/game/view.cpp
@@ -11,6 +11,36 @@ void View::process (Gst &gst, vec2 cam, vec2 mouse, int *mheld) {
     cursor_entity = -1;
     back = -1;
     opt = -1;
+    hover_ground = -1;
+    
+    bool hfound = false;
+    for (int y=0; y<gr.sizey && !hfound; y++) {
+        for (int x=0; x<gr.sizex && !hfound; x++) {
+            vec2 pos { (float)x*32, (float)y*32 };
+            if (pos.x < absmouse.x && absmouse.x <= pos.x+32 
+            && pos.y < absmouse.y && absmouse.y <= pos.y+32) 
+            {
+                hover_ground = x+y*gr.sizex;
+                hfound = true;
+            }
+        }
+    }
+    
+    if (menu_train.active) {
+        menu_train.over = menu_train.mouse_option(mouse);
+    }
+    if (menu_build.active) {
+        menu_build.over = menu_build.mouse_option(mouse);
+    }
+    if (menu_unit.active) {
+        menu_unit.over = menu_unit.mouse_option(mouse);
+    }
+    if (menu_day.active) {
+        menu_day.over = menu_day.mouse_option(mouse);
+    }
+    if (menu_tech.active) {
+        menu_tech.over = menu_tech.mouse_option(mouse);
+    }
     
     if (mheld[0] == 1) {
         bool found = false;  
@@ -27,8 +57,8 @@ void View::process (Gst &gst, vec2 cam, vec2 mouse, int *mheld) {
                 }
                 if (!valid) continue;
                 vec2 pos { (float)x*32, (float)y*32 };
-                if (pos.x < absmouse.x && absmouse.x < pos.x+32 
-                && pos.y < absmouse.y && absmouse.y < pos.y+32) 
+                if (pos.x < absmouse.x && absmouse.x <= pos.x+32 
+                && pos.y < absmouse.y && absmouse.y <= pos.y+32) 
                 {
                     cursor_ground = moves[i];
                 }
@@ -41,8 +71,8 @@ void View::process (Gst &gst, vec2 cam, vec2 mouse, int *mheld) {
                 int x = attacks[i] % gr.sizex;
                 int y = attacks[i] / gr.sizex;
                 vec2 pos { (float)x*32, (float)y*32 };
-                if (pos.x < absmouse.x && absmouse.x < pos.x+32 
-                && pos.y < absmouse.y && absmouse.y < pos.y+32) 
+                if (pos.x < absmouse.x && absmouse.x <= pos.x+32 
+                && pos.y < absmouse.y && absmouse.y <= pos.y+32) 
                 {
                     cursor_ground = attacks[i];
                 }
@@ -85,13 +115,22 @@ void View::process (Gst &gst, vec2 cam, vec2 mouse, int *mheld) {
                 back = 1; found = 1;
             }
         }
+
+        if (menu_tech.active && !found) {
+            int selected = menu_tech.mouse_option(mouse);
+            if (selected != -1) {
+                opt = selected; found = true;
+            } else {
+                back = 1; found = 1;
+            }
+        }
         
         for (int i=0; i<entities.size() && !found; i++) {
             if (entities[i].done) continue;
             if (entities[i].owner != gst.turn) continue;
             vec2 pos { (float)entities[i].x*32, (float)entities[i].y*32 };
-            if (pos.x < absmouse.x && absmouse.x < pos.x+32 
-            && pos.y < absmouse.y && absmouse.y < pos.y+32) 
+            if (pos.x < absmouse.x && absmouse.x <= pos.x+32 
+            && pos.y < absmouse.y && absmouse.y <= pos.y+32) 
             {
                 cursor_entity = i;
                 if (entities[i].info->unit == 1) {
@@ -104,8 +143,8 @@ void View::process (Gst &gst, vec2 cam, vec2 mouse, int *mheld) {
         for (int y=0; y<gr.sizey && !found; y++) {
             for (int x=0; x<gr.sizex && !found; x++) {
                 vec2 pos { (float)x*32, (float)y*32 };
-                if (pos.x < absmouse.x && absmouse.x < pos.x+32 
-                && pos.y < absmouse.y && absmouse.y < pos.y+32) 
+                if (pos.x < absmouse.x && absmouse.x <= pos.x+32 
+                && pos.y < absmouse.y && absmouse.y <= pos.y+32) 
                 {
                     cursor_ground = x+y*gr.sizex;
                     found = true;
diff --git a/game/view.h b/game/view.h
index a9d196b..5aab193 100644
--- a/game/view.h
+++ b/game/view.h
@@ -13,6 +13,7 @@ class View {
     
     vec2 res;
     
+    int hover_ground {-1};
     int selected_ground {-1};
     int selected_entity {-1};
     int cursor_ground {-1};
@@ -27,6 +28,7 @@ class View {
     Menu_day menu_day;
     Menu_build menu_build;
     Menu_train menu_train;
+    Menu_tech menu_tech;
     
     void process (Gst &gst, vec2 cam, vec2 mouse, int *mheld);
 };
diff --git a/graphics/graphics.cpp b/graphics/graphics.cpp
index 9658605..3b943a4 100644
--- a/graphics/graphics.cpp
+++ b/graphics/graphics.cpp
@@ -2,6 +2,8 @@
 #include <iostream>
 #include <string>
 
+#include <math.h>
+
 #include "graphics.h"
 #include "../game/menu.h"
 #include "../game/tile.h"
@@ -53,7 +55,13 @@ void render_menu (Graphics *graphics, Gst &gst, Menu &menu) {
         );
         float acc = 0;
         for (Option opt : menu.options) {
-            graphics->backend.txt.render_text(opt.name, menu.pos + vec2 {10, 10 + acc});
+            int r=0, g=0, b=0;
+            if (opt.id == menu.over) {
+                Player &player = gst.players[gst.turn];
+                r = player.r; g = player.g; b = player.b;
+            }
+            graphics->backend.txt.render_text(
+                opt.name, menu.pos + vec2 {10, 10 + acc}, r, g, b);
             float width = graphics->backend.txt.get_width(opt.name);
             if (opt.cost.size() > 0) {
                 graphics->backend.txt.render_text(
@@ -68,6 +76,343 @@ void render_menu (Graphics *graphics, Gst &gst, Menu &menu) {
     }
 }
 
+void render_menu_tech (Graphics *graphics, Gst &gst, View &view) {
+    vec2 res { (float)graphics->resx, (float)graphics->resy };
+    if (view.menu_tech.active) {
+        vec2 pos { res };
+        float height = view.menu_tech.options.size() * 20;
+        vec2 size { 120, height+10 };
+        pos *= 0.5f;
+        pos -= size/2;
+        graphics->backend.render_rect(
+            255,255,255,255,
+            view.menu_tech.pos.x,view.menu_tech.pos.y,
+            view.menu_tech.size.x,view.menu_tech.size.y
+        );
+        
+        float x = 0, y = 0;
+        for (auto v : view.menu_tech.tech_opt_ordered) {
+            for (auto opt : v) {
+                int r=0, g=0, b=0;
+                Player &player = gst.players[gst.turn];
+                if (opt.tech->id == view.menu_tech.over) {
+                    r = player.r; g = player.g; b = player.b;
+                }
+                if (opt.tech->level > player.level) {
+                    r = 100; g = 100; b = 100;
+                }
+                if (opt.tech->cost[0] > player.res[0]
+                || opt.tech->cost[1] > player.res[1] ) 
+                {
+                    r = 100; g = 100; b = 100;
+                }
+                bool req_id = false;
+                for (auto &ent : gst.entities) {
+                    if (ent.owner == gst.turn 
+                    && ent.info->id == opt.tech->req_id
+                    && ent.building == 0) 
+                    {
+                        req_id = true;
+                    }
+                }
+                if (!req_id) {
+                    r = 100; g = 100; b = 100;
+                }
+                graphics->backend.txt.render_text(opt.name, 
+                    view.menu_tech.pos + vec2 {10 + x, 10 + y}, r, g, b);
+                float width = graphics->backend.txt.get_width(opt.name);
+                /*
+                if (opt.tech->cost.size() > 0) {
+                    graphics->backend.txt.render_text(
+                        std::to_string (opt.tech->cost[0]) + "f", 
+                        view.menu_tech.pos + vec2 { width + 20 + x, 10 + y });
+                    graphics->backend.txt.render_text(
+                        std::to_string (opt.tech->cost[1]) + "g", 
+                        view.menu_tech.pos + vec2 { width + 50 + x, 10 + y });
+                }*/
+                y += 10;
+            }
+            x += 150; y = 0;
+        }
+    }
+}
+
+
+int get_entity_info_height (Entity &ent) {
+    return 155+10*ent.info->abilities.size();
+}
+
+void render_entity_info (Graphics *graphics, Gst &gst, vec2 pos, int i) {
+    Entity &ent = gst.entities[i];
+    int w = 200, h = get_entity_info_height(ent);
+    
+    graphics->backend.render_rect (0,0,0,255,
+        (int)pos.x,(int)pos.y,w,h);
+    graphics->backend.render_rect (255,255,255,255,
+        (int)pos.x+1,(int)pos.y+1,w-2,h-2);
+    
+    graphics->backend.render_rect (
+        0,0,0,255, (int)pos.x+w-32-10-1, (int)pos.y+10-1,34,34);
+    graphics->backend.render_rect (
+        255,255,255,255, (int)pos.x+w-32-10, (int)pos.y+10,32,32);
+    
+    graphics->backend.render_sprite (
+        (int)gst.entities[i].info->spritebounds.x,
+        (int)gst.entities[i].info->spritebounds.y, 16, 16, 
+        (int)pos.x + w-32-10, 
+        (int)pos.y + 10, 32, 32
+    );
+    
+    graphics->backend.txt.render_text(ent.info->name, pos + vec2 { 10, 10 });
+    graphics->backend.txt.render_text("Attack", pos + vec2 { 10, 30 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(ent.info->attack)), pos + vec2 { 90, 30 });
+    graphics->backend.txt.render_text("Defence", pos + vec2 { 10, 45 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(ent.info->defence)), pos + vec2 { 90, 45 });
+    graphics->backend.txt.render_text("Move", pos + vec2 { 10, 60 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(ent.info->move)), pos + vec2 { 90, 60 });
+    graphics->backend.txt.render_text("Range", pos + vec2 { 10, 75 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(ent.info->range)), pos + vec2 { 90, 75 });
+    graphics->backend.txt.render_text("Sight", pos + vec2 { 10, 90 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(ent.info->sight)), pos + vec2 { 90, 90 });
+    graphics->backend.txt.render_text("Health", pos + vec2 { 10, 105 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(ent.hp)), pos + vec2 { 90, 105 });
+    graphics->backend.txt.render_text("Class", pos + vec2 { 10, 120 });
+    std::string ent_class = "";
+    switch (ent.info->ent_class) {
+        case EntityInfo::Class::inf: ent_class = "Infantry"; break;
+        case EntityInfo::Class::cav: ent_class = "Cavalry"; break;
+        case EntityInfo::Class::ran: ent_class = "Ranged"; break;
+        case EntityInfo::Class::sie: ent_class = "Siege"; break;
+        case EntityInfo::Class::bld: ent_class = "Building"; break;
+    }
+    graphics->backend.txt.render_text(ent_class, pos + vec2 { 90, 120 });
+    graphics->backend.txt.render_text("Abilities", pos + vec2 { 10, 135 });
+    std::string abname;
+    for (int s=0; s<ent.info->abilities.size(); s++) {
+        abname = gst.abilities[ent.info->abilities[s]].name;
+        graphics->backend.txt.render_text(abname, 
+            pos + vec2 { 90, 135+s*10.0f });
+    }
+}
+
+void render_tile_info (Graphics *graphics, Gst &gst, vec2 pos, int i) {
+    int x = i % gst.ground.sizex;
+    int y = i / gst.ground.sizex;
+    Tile &tile = gst.tiles[gst.ground.tiles[gst.ground.at(x,y)]];
+    
+    int w = 200, h = 95;
+    graphics->backend.render_rect (
+        0,0,0,255,
+        (int)pos.x,(int)pos.y,w,h
+    );
+    graphics->backend.render_rect (
+        255,255,255,255,
+        (int)pos.x+1,(int)pos.y+1,w-2,h-2
+    );
+    
+    graphics->backend.render_sprite (
+        (int)tile.spritebounds.x,
+        (int)tile.spritebounds.y-16, 16, 32, 
+        (int)pos.x + w-32-10, 
+        (int)pos.y + 10-32, 32, 64
+    );
+
+    graphics->backend.txt.render_text(tile.name, pos + vec2 { 10, 10 });
+    graphics->backend.txt.render_text("Move", pos + vec2 { 10, 30 });
+    graphics->backend.txt.render_text(
+        std::to_string(tile.move_cost), pos + vec2 { 90, 30 });
+    graphics->backend.txt.render_text("Sight", pos + vec2 { 10, 45 });
+    graphics->backend.txt.render_text(
+        std::to_string(tile.sight_cost), pos + vec2 { 90, 45 });
+    graphics->backend.txt.render_text("Defence Bonus", pos + vec2 { 10, 60 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(tile.defence_bonus*100))+"%", pos + vec2 { 90, 60 });
+    graphics->backend.txt.render_text("Range Bonus", pos + vec2 { 10, 75 });
+    graphics->backend.txt.render_text(
+        std::to_string(tile.range_bonus), pos + vec2 { 90, 75 });
+}
+
+int render_attack_info_bonus (Graphics *graphics, Gst &gst, vec2 pos, 
+    Entity &atk, Entity &def, bool attack, int rtl) 
+{
+    std::vector<Bonus> bonuses;
+    if (attack) { bonuses = gst.get_bonuses(atk, def); }
+    else { bonuses = gst.get_bonuses(def, atk); }
+    
+    float value = attack ? atk.info->attack : atk.info->defence;
+    
+    {
+        std::string nlabel = attack ? "Attack" : "Defence";
+        float labw = graphics->backend.txt.get_width(nlabel);
+        graphics->backend.txt.render_text(nlabel, 
+            pos + vec2 { -labw*rtl, 0 });
+    } {
+        std::string nlabel = std::to_string((int)roundf(value));
+        float labw = graphics->backend.txt.get_width(nlabel);
+        graphics->backend.txt.render_text(nlabel, 
+            pos + vec2 { 50*(1-rtl*2)-labw*rtl, 0 });
+    }
+    
+    int bonusnum = 0; float atk_mod = 1;
+    for (int s=0; s<bonuses.size(); s++) {
+        Bonus &b = bonuses[s];
+        if (b.atk == attack) {
+            float idw = graphics->backend.txt.get_width(b.id_string());
+            graphics->backend.txt.render_text(
+                b.id_string(), pos + vec2 { -idw*rtl, 10.0f+bonusnum*10 });
+            std::string amt;
+            if (b.amt > 0) amt += "+";
+            amt += std::to_string((int)roundf(b.amt*100)) + "%";
+            float labw = graphics->backend.txt.get_width(amt);
+            graphics->backend.txt.render_text(
+                amt, pos + vec2 { 50*(1-rtl*2)-labw*rtl, 10.0f+bonusnum*10 });
+            atk_mod += b.amt;
+            bonusnum ++;
+        }
+    }
+    
+    if (bonusnum > 0) {
+        {
+            std::string label = attack ? "->" : "<-";
+            float labw = graphics->backend.txt.get_width(label);
+            graphics->backend.txt.render_text(label, 
+                pos + vec2 { 70*(1-rtl*2)-labw*rtl, 0 });
+        }
+        {
+            std::string label = std::to_string((int)roundf(value * atk_mod));
+            float labw = graphics->backend.txt.get_width(label);
+            graphics->backend.txt.render_text(label, 
+                pos + vec2 { 83*(1-rtl*2)-labw*rtl, 0 });
+        }
+    }
+    
+    return bonusnum*10;
+}
+
+
+void render_attack_info (Graphics *graphics, Gst &gst, vec2 pos, int i, int j) {
+    Entity &atk = gst.entities[i];
+    Entity &def = gst.entities[j];
+    int w = 300, h = 250;
+    
+    graphics->backend.render_rect (0,0,0,255,
+        (int)pos.x,(int)pos.y,w,h);
+    graphics->backend.render_rect (255,255,255,255,
+        (int)pos.x+1,(int)pos.y+1,w-2,h-2);
+    
+    graphics->backend.render_rect (
+        0,0,0,255, (int)pos.x+10-1, (int)pos.y+35-1,34,34);
+    graphics->backend.render_rect (
+        255,255,255,255, (int)pos.x+10, (int)pos.y+35,32,32);
+    graphics->backend.render_sprite (
+        (int)atk.info->spritebounds.x,
+        (int)atk.info->spritebounds.y, 16, 16, 
+        (int)pos.x + 10, 
+        (int)pos.y + 35, 32, 32
+    );
+    {
+        Tile &tile = gst.tiles[gst.ground.tiles[gst.ground.at(atk.x,atk.y)]];
+        graphics->backend.render_sprite (
+            (int)tile.spritebounds.x,
+            (int)tile.spritebounds.y-16, 16, 32, 
+            (int)pos.x + 52, 
+            (int)pos.y + 35-32, 32, 64
+        );
+    }
+    
+    graphics->backend.render_rect (
+        0,0,0,255, (int)pos.x+w-42-1, (int)pos.y+35-1,34,34);
+    graphics->backend.render_rect (
+        255,255,255,255, (int)pos.x+w-42, (int)pos.y+35,32,32);
+    graphics->backend.render_sprite (
+        (int)def.info->spritebounds.x,
+        (int)def.info->spritebounds.y, 16, 16, 
+        (int)pos.x + w-42, 
+        (int)pos.y + 35, 32, 32
+    );
+    {
+        Tile &tile = gst.tiles[gst.ground.tiles[gst.ground.at(def.x,def.y)]];
+        graphics->backend.render_sprite (
+            (int)tile.spritebounds.x,
+            (int)tile.spritebounds.y-16, 16, 32, 
+            (int)pos.x + w-84, 
+            (int)pos.y + 35-32, 32, 64
+        );
+    }
+    
+    graphics->backend.txt.render_text(atk.info->name, pos + vec2 { 10, 10 });
+    {
+        int txtwidth = graphics->backend.txt.get_width(def.info->name);
+        graphics->backend.txt.render_text(def.info->name, 
+            pos + vec2 { w-10.0f-txtwidth, 10 });
+    }
+    
+    BattleResult result = gst.battle_res(atk, def);
+    std::vector<std::string> sres = { "++", "+", "=", "-", "--" };
+    float atk_loss = atk.hp-result.atk_hp;
+    float def_loss = def.hp-result.def_hp;
+    float est_atk = def_loss - atk_loss;
+    float est_def = atk_loss - def_loss;
+    int atk_res = 2;
+    int def_res = 2;
+    if (est_atk > 40) { atk_res = 0; }
+    else if (est_atk > 5) { atk_res = 1; }
+    if (est_atk < -40) { atk_res = 4; }
+    else if (est_atk < -5) { atk_res = 3; }
+    if (est_def > 40) { def_res = 0; }
+    else if (est_def > 5) { def_res = 1; }
+    if (est_def < -40) { def_res = 4; }
+    else if (est_def < -5) { def_res = 3; }
+    
+    graphics->backend.txt.render_text("Health", pos + vec2 { 10, 80 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(atk.hp)), pos + vec2 { 60, 80 });
+    graphics->backend.txt.render_text("->", pos + vec2 { 80, 80 });
+    graphics->backend.txt.render_text(
+        std::to_string((int)roundf(result.atk_hp)), pos + vec2 { 93, 80 });
+    graphics->backend.txt.render_text(sres[atk_res], pos + vec2 { 115, 80 });
+    {
+        int txtwidth = graphics->backend.txt.get_width("Health");
+        graphics->backend.txt.render_text("Health", 
+            pos + vec2 { w-10.0f-txtwidth, 80 });
+        std::string label = std::to_string((int)roundf(def.hp));
+        int txtwidthlabel = graphics->backend.txt.get_width(label);
+        graphics->backend.txt.render_text(label, 
+            pos + vec2 { w-60.0f-txtwidthlabel, 80 });
+    } {
+        int txtwidth = graphics->backend.txt.get_width("<-");
+        graphics->backend.txt.render_text("<-", 
+            pos + vec2 { w-80.0f-txtwidth, 80 });
+    } {
+        std::string label = std::to_string((int)roundf(result.def_hp));
+        int txtwidth = graphics->backend.txt.get_width(label);
+        graphics->backend.txt.render_text(label, 
+            pos + vec2 { w-93.0f-txtwidth, 80 });
+    } {
+        int txtwidth = graphics->backend.txt.get_width(sres[def_res]);
+        graphics->backend.txt.render_text(sres[def_res], 
+            pos + vec2 { w-115.0f-txtwidth, 80 });
+    }
+    
+    {
+        int batkh = render_attack_info_bonus(graphics, gst, 
+            pos + vec2 { 10, 95 }, atk, def, true, 0);
+        int bdefh = render_attack_info_bonus(graphics, gst, 
+            pos + vec2 { 10, 95 + batkh + 15.0f }, atk, def, false, 0);
+    } {
+        int batkh = render_attack_info_bonus(graphics, gst, 
+            pos + vec2 { w-10.0f, 95 }, def, atk, true, 1);
+        int bdefh = render_attack_info_bonus(graphics, gst, 
+            pos + vec2 { w-10.0f, 95 + batkh + 15.0f }, def, atk, false, 1);
+    }
+}
+
 void Graphics::render (Gst &gst, View &view) 
 {
     Ground &gr = gst.ground;
@@ -154,6 +499,7 @@ void Graphics::render (Gst &gst, View &view)
     render_menu(this, gst, view.menu_day);
     render_menu(this, gst, view.menu_build);
     render_menu(this, gst, view.menu_train);
+    render_menu_tech(this, gst, view);
     
     if (view.moves.size() > 0) {
         for (int m : view.moves) {
@@ -202,6 +548,59 @@ void Graphics::render (Gst &gst, View &view)
         255,255,255,255,
         0,(int)res.y-30,(int)res.x, 30
     );
+    
+    // info stack box
+    int info_ground = -1;
+    if (view.hover_ground != -1) { info_ground = view.hover_ground; }
+    if (view.selected_entity != -1) { 
+        int i = view.selected_entity;
+        info_ground = gst.ground.at(entities[i].x, entities[i].y);
+    }
+    if (view.selected_ground != -1) { info_ground = view.selected_ground; }
+    
+    if (info_ground != -1) {
+        int unit = -1;
+        int bld = -1;
+        int x = info_ground % gr.sizex;
+        int y = info_ground / gr.sizex;
+        for (int i=0; i < gst.entities.size(); i++) {
+            Entity &ent = gst.entities[i];
+            if (ent.x == x && ent.y == y) {
+                if (ent.info->unit) { unit = i; }
+                else { bld = i; }
+            }
+        }
+        
+        float hoff = -95;
+        if (bld != -1) hoff -= get_entity_info_height(gst.entities[bld]);
+        if (unit != -1) hoff -= get_entity_info_height(gst.entities[unit]);
+        
+        if (unit != -1) {
+            render_entity_info(this, gst, vec2 { 0, res.y-30+hoff }, unit);
+            hoff += get_entity_info_height(gst.entities[unit]);
+        }
+        if (bld != -1) {
+            render_entity_info(this, gst, vec2 { 0, res.y-30+hoff }, bld);
+            hoff += get_entity_info_height(gst.entities[bld]);
+        }
+        render_tile_info(this, gst, vec2 { 0, res.y-30+hoff }, info_ground);
+    } 
+    
+    if (view.attacks.size() > 0 && view.hover_ground != -1) {
+        int def = -1;
+        int x = view.hover_ground % gr.sizex;
+        int y = view.hover_ground / gr.sizex;
+        for (int i=0; i < gst.entities.size(); i++) {
+            Entity &ent = gst.entities[i];
+            if (ent.x == x && ent.y == y && ent.owner != gst.turn) {
+                def = i; break;
+            }
+        }
+        if (def != -1) {
+            render_attack_info(this, gst, vec2 { res.x/2-175, res.y/2-125 }, 
+                view.selected_entity, def);
+        }
+    }
 }
 
 
@@ -293,7 +692,7 @@ Graphics_sdl_text::Graphics_sdl_text () {
     char_width['('] = 2; char_width[')'] = 2;
     char_width['['] = 2; char_width[']'] = 2;
     char_width['{'] = 3; char_width['}'] = 3;
-    char_width[','] = 1; char_width['-'] = 3; char_width['.'] = 1; 
+    char_width[','] = 1; char_width['-'] = 5; char_width['.'] = 1; 
     char_width['/'] = 4; char_width['!'] = 1;
     char_width[':'] = 1; char_width[';'] = 1;
     char_width['%'] = 4;
@@ -313,7 +712,13 @@ int Graphics_sdl_text::get_width (std::string str) {
 }
 
 void Graphics_sdl_text::render_text (std::string str, vec2 off) {
-    SDL_SetTextureColorMod(tex, 0, 0, 0);
+    render_text(str, off, 0, 0, 0);
+}
+
+void Graphics_sdl_text::render_text (std::string str, vec2 off,
+        int r, int g, int b) 
+{
+    SDL_SetTextureColorMod(tex, r, g, b);
     int width = 0;
     for (int i=0; str[i]!='\0'; i++) {
         int char_i = str[i];
diff --git a/graphics/graphics.h b/graphics/graphics.h
index dd7e51a..af8630a 100644
--- a/graphics/graphics.h
+++ b/graphics/graphics.h
@@ -19,6 +19,7 @@ class Graphics_sdl_text {
     Graphics_sdl_text();
     int get_width (std::string str);
     void render_text (std::string str, vec2 off);
+    void render_text (std::string str, vec2 off, int r, int g, int b);
     SDL_Renderer* gRenderer;
     SDL_Texture *tex;
     int char_width[128];
diff --git a/main.cpp b/main.cpp
index 3d3534a..d7a0cca 100644
--- a/main.cpp
+++ b/main.cpp
@@ -59,9 +59,9 @@ int main () {
     load_json(gst);
     
     gst.players.emplace_back(255, 0, 0);
-    gst.players[0].res = std::vector<int> { 1000, 1000 };
+    gst.players[0].res = std::vector<int> { 1500, 1500 };
     gst.players.emplace_back(0, 0, 255);
-    gst.players[1].res = std::vector<int> { 1000, 1000 };
+    gst.players[1].res = std::vector<int> { 1500, 1500 };
     
     gst.ground.tiles[1] = 1;
     gst.ground.tiles[8] = 1;
@@ -87,6 +87,9 @@ int main () {
     gst.entities.emplace_back(1, 5, gst.get_info("Villager"), 1);
     gst.entities.emplace_back(2, 5, gst.get_info("Militia"), 1);
     gst.entities.emplace_back(0, 0, gst.get_info("Scout Cavalry"), 0);
+    gst.entities.emplace_back(1, 0, gst.get_info("Persian War Elephants"), 0);
+    gst.entities.emplace_back(0, 1, gst.get_info("Scorpions"), 1);
+    gst.entities.emplace_back(1, 2, gst.get_info("Archers"), 1);
     
     View view (vec2 { (float)graphics.resx, (float)graphics.resy });
     
-- 
cgit v1.2.3-54-g00ecf