linux compile and imgs

1 files changed, 793 insertions, 793 deletions

diff --git a/graphics/graphics.cpp b/graphics/graphics.cpp
index fa0c9c8..823668a 100644
--- a/graphics/graphics.cpp
+++ b/graphics/graphics.cpp
@@ -1,794 +1,794 @@
-#include <algorithm>
-#include <iostream>
-#include <string>
-
-#include <math.h>
-
-#include "graphics.h"
-#include "../game/menu.h"
-#include "../game/tile.h"
-#include "../game/constants.h"
-
-Graphics::~Graphics () {
-}
-
-void Graphics::present () {
-    backend.present();
-}
-
-void render_ent (Graphics *graphics, Gst &gst, Entity &ent, 
-    vec2 pos, int dflag) 
-{
-    Player &player = gst.players[ent.owner];
-    float bound_y = ent.info->spritebounds.y;
-    if (ent.info->unit == 0) { bound_y = player.level*16+16; }
-    int done = 0;
-    if (dflag == 1) done = 512;
-    graphics->backend.render_sprite(
-        (int)ent.info->spritebounds.x,
-        (int)bound_y+done, 16, 16,
-        (int)pos.x, (int)pos.y, 32, 32
-    );
-    if (dflag == 0) {
-        graphics->backend.render_sprite(
-            (int)ent.info->spritebounds.x,
-            (int)bound_y+768, 16, 16,
-            (int)pos.x, (int)pos.y, 32, 32,
-            player.r, player.g, player.b
-        );
-    }
-}
-
-void render_ents (Graphics *graphics, Gst &gst, int unit) {
-    std::vector<Entity> &entities = gst.entities;
-    for (int i=0; i<entities.size(); i++) {
-        if (entities[i].info->unit != unit) continue;
-        Player &player = gst.players[entities[i].owner];
-        int dflag = 0;
-        if (unit) dflag = entities[i].done;
-        vec2 pos {
-            graphics->cam.pos.x + entities[i].x*32, 
-            graphics->cam.pos.y + entities[i].y*32
-        };
-        render_ent(graphics, gst, entities[i], pos, dflag);
-    }
-}
-
-void render_menu (Graphics *graphics, Gst &gst, Menu &menu) {
-    vec2 res { (float)graphics->resx, (float)graphics->resy };
-    if (menu.active) {
-        vec2 pos { res };
-        float height = menu.options.size() * 20;
-        vec2 size { 120, height+10 };
-        pos *= 0.5f;
-        pos -= size/2;
-        graphics->backend.render_rect(
-            255,255,255,255,
-            menu.pos.x,menu.pos.y,menu.size.x,menu.size.y
-        );
-        float acc = 0;
-        for (Option opt : menu.options) {
-            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(
-                    std::to_string((int)roundf(opt.cost[0])) + "f", 
-                    menu.pos + vec2 { width + 20, 10 + acc });
-                graphics->backend.txt.render_text(
-                    std::to_string((int)roundf(opt.cost[1])) + "g", 
-                    menu.pos + vec2 { width + 50, 10 + acc });
-            }
-            acc += 20;
-        }
-    }
-}
-
-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 (!gst.check_req_tech(opt.tech, player)) {
-                    r = 100; g = 100; b = 100;
-                }
-                if (player.has_tech(opt.tech->id)) {
-                    r = constants::col_gud_r; 
-                    g = constants::col_gud_g; 
-                    b = constants::col_gud_b;
-                }
-                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];
-    Player &player = gst.players[ent.owner];
-    auto &tech = player.tech_lookup;
-    int id = ent.info->id;
-    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);
-    
-    render_ent(graphics, gst, ent, vec2 { w-32-10.0f, 10 } + pos, 0);
-    
-    graphics->backend.txt.render_text(ent.info->name, pos + vec2 { 10, 10 });
-    graphics->backend.txt.render_text("Attack", pos + vec2 { 10, 30 });
-    float attack = ent.info->attack * (1+tech.id(id).attack);
-    graphics->backend.txt.render_text(
-        std::to_string((int)roundf(attack)), pos + vec2 { 90, 30 });
-    graphics->backend.txt.render_text("Defence", pos + vec2 { 10, 45 });
-    float defence = ent.info->defence * (1+tech.id(id).defence);
-    graphics->backend.txt.render_text(
-        std::to_string((int)roundf(defence)), pos + vec2 { 90, 45 });
-    graphics->backend.txt.render_text("Move", pos + vec2 { 10, 60 });
-    int move = ent.info->move + tech.id(id).move;
-    graphics->backend.txt.render_text(
-        std::to_string(move), pos + vec2 { 90, 60 });
-    graphics->backend.txt.render_text("Range", pos + vec2 { 10, 75 });
-    int range = ent.info->range + tech.id(id).range;
-    graphics->backend.txt.render_text(
-        std::to_string(range), pos + vec2 { 90, 75 });
-    graphics->backend.txt.render_text("Sight", pos + vec2 { 10, 90 });
-    int sight = ent.info->sight + tech.id(id).sight;
-    graphics->backend.txt.render_text(
-        std::to_string(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.inv->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.inv->ground.sizex;
-    int y = i / gst.inv->ground.sizex;
-    Tile &tile = gst.inv->tiles[gst.inv->ground.tiles[gst.inv->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) 
-{
-    float margin_amt = constants::menu_attack_margin_amt;
-    float margin_arrow = constants::menu_attack_margin_arrow;
-    float margin_mod = constants::menu_attack_margin_mod;
-    
-    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 { margin_amt*(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 { 
-                    margin_amt*(1-rtl*2)-labw*rtl, 
-                    10.0f+bonusnum*10 });
-            atk_mod += b.amt;
-            bonusnum ++;
-        }
-    }
-    
-    if (bonusnum > 0) {
-        {
-            std::string label = rtl ? "<-" : "->";
-            float labw = graphics->backend.txt.get_width(label);
-            graphics->backend.txt.render_text(label, 
-                pos + vec2 { margin_arrow*(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 { margin_mod*(1-rtl*2)-labw*rtl, 0 });
-        }
-    }
-    
-    return bonusnum*10;
-}
-
-
-void render_attack_info (Graphics *graphics, Gst &gst, vec2 pos, int i, int j) {
-    float margin_amt = constants::menu_attack_margin_amt;
-    float margin_arrow = constants::menu_attack_margin_arrow;
-    float margin_mod = constants::menu_attack_margin_mod;
-    
-    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.inv->tiles[gst.inv->ground.tiles[
-            gst.inv->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.inv->tiles[gst.inv->ground.tiles[
-            gst.inv->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 { 10+margin_amt, 80 });
-    graphics->backend.txt.render_text("->", 
-        pos + vec2 { 10+margin_arrow, 80 });
-    graphics->backend.txt.render_text(
-        std::to_string((int)roundf(result.atk_hp)), 
-        pos + vec2 { 10+margin_mod, 80 });
-    graphics->backend.txt.render_text(
-        sres[atk_res],
-        pos + vec2 { 10+margin_mod+20, 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-10.0f-margin_amt-txtwidthlabel, 80 });
-    } {
-        int txtwidth = graphics->backend.txt.get_width("<-");
-        graphics->backend.txt.render_text("<-", 
-            pos + vec2 { w-10.0f-margin_arrow-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-10.0f-margin_mod-txtwidth, 80 });
-    } {
-        int txtwidth = graphics->backend.txt.get_width(sres[def_res]);
-        graphics->backend.txt.render_text(sres[def_res], 
-            pos + vec2 { w-10.0f-margin_mod-20-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.inv->ground;
-    std::vector<Entity> &entities = gst.entities;
-    vec2 res { (float)resx, (float)resy };
-    
-    for (int y=0; y<gr.sizey; y++) {
-        for (int x=0; x<gr.sizex; x++) {
-            Tile &tile = gst.inv->tiles[gr.tiles[gr.at(x,y)]];
-            backend.render_sprite(
-                (int)tile.spritebounds.x,
-                (int)tile.spritebounds.y, 16, 16, 
-                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32
-            );
-        }
-    }
-    
-    for (Resource res : gr.resources) {
-        int x = res.pos % gr.sizex;
-        int y = res.pos / gr.sizex;
-        backend.render_sprite(
-            16*res.kind, 16*2, 16, 16, 
-            (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32
-        );
-    }
-    
-    render_ents(this, gst, 0);
-    render_ents(this, gst, 1);
-    
-    /* overlay */
-    for (int y=0; y<gr.sizey; y++) {
-        for (int x=0; x<gr.sizex; x++) {
-            Tile &tile = gst.inv->tiles[gr.tiles[gr.at(x,y)]];
-            backend.render_sprite(
-                (int)tile.spritebounds.x,
-                (int)tile.spritebounds.y-16, 16, 16, 
-                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32-32, 32, 32
-            );
-        }
-    }
-    
-    if (view.selected_entity != -1) {
-        int i = view.selected_entity;
-        Entity &ent = entities[i];
-        Player &player = gst.get_player(ent.owner);
-        float bound_y = ent.info->spritebounds.y;
-        if (ent.info->unit == 0) { bound_y = player.level*16+16; }
-        vec2 pos { (float)ent.x*32, (float)ent.y*32 };
-        backend.render_sprite (
-            (int)ent.info->spritebounds.x,
-            (int)bound_y+256, 16, 16, 
-            (int)cam.pos.x + (int)pos.x, 
-            (int)cam.pos.y + (int)pos.y, 32, 32
-        );
-    } 
-    
-    if (view.selected_ground != -1) {
-        int x = view.selected_ground % gr.sizex;
-        int y = view.selected_ground / gr.sizex;
-        vec2 pos { (float)x*32, (float)y*32 };
-        Tile &tile = gst.inv->tiles[gr.tiles[gr.at(x,y)]];
-        backend.render_sprite(
-            (int)tile.spritebounds.x,
-            (int)tile.spritebounds.y+256-16, 16, 32, 
-            (int)cam.pos.x + (int)pos.x, 
-            (int)cam.pos.y + (int)pos.y-32, 32, 64
-        );
-    } 
-    
-    for (int i=0; i<entities.size(); i++) {
-        Entity &ent = entities[i];
-        if (ent.info->unit == 1) {
-            backend.render_rect(
-                0, 0, 0, 255,
-                (int)cam.pos.x + (int)ent.x*32+2, 
-                (int)cam.pos.y + (int)ent.y*32+30, 28, 2
-            );
-            int amt = 28 * (entities[i].hp / 100);
-            Player &player = gst.get_player(ent.owner);
-            backend.render_rect(
-                player.r, player.g, player.b, 255,
-                (int)cam.pos.x + (int)ent.x*32+2, 
-                (int)cam.pos.y + (int)ent.y*32+30, amt, 2
-            );
-        }
-    }
-    
-    render_menu(this, gst, view.menu_unit);
-    render_menu(this, gst, view.menu_day);
-    render_menu(this, gst, view.menu_build);
-    render_menu(this, gst, view.menu_train);
-    render_menu(this, gst, view.menu_trade);
-    render_menu(this, gst, view.menu_age_up);
-    render_menu_tech(this, gst, view);
-    
-    if (view.moves.size() > 0) {
-        for (int m : view.moves) {
-            int x = m % gr.sizex; int y = m / gr.sizex;
-            backend.render_rect(
-                0, 120, 255, 100,
-                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32
-            );
-        }
-    }
-    
-    if (view.attacks.size() > 0) {
-        for (int m : view.attacks) {
-            int x = m % gr.sizex; int y = m / gr.sizex;
-            backend.render_rect(
-                255, 120, 0, 100,
-                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32
-            );
-        }
-    }
-    
-    if (view.heals.size() > 0) {
-        for (int m : view.heals) {
-            int x = m % gr.sizex; int y = m / gr.sizex;
-            backend.render_rect(
-                0, 200, 0, 100,
-                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32
-            );
-        }
-    }
-    
-    if (view.converts.size() > 0) {
-        for (int m : view.converts) {
-            int x = m % gr.sizex; int y = m / gr.sizex;
-            backend.render_rect(
-                200, 0, 200, 100,
-                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32
-            );
-        }
-    }
-    
-    // top bar
-    vec2 pos { 0,0 };
-    backend.render_rect (
-        255,255,255,255,
-        (int)pos.x,(int)pos.y,(int)res.x, 30
-    );
-    Player &player = gst.players[gst.turn];
-    backend.render_rect (
-        player.r, player.g, player.b, 255,
-        (int)pos.x+5,(int)pos.y+5, 20, 20
-    );
-    std::string txtfood = std::to_string((int)roundf(player.res[0])) + "f";
-    std::string txtgold = std::to_string((int)roundf(player.res[1])) + "g";
-    backend.txt.render_text(
-        txtfood, pos + vec2 { -backend.txt.get_width(txtfood) + res.x/2-10, 10 }
-    );
-    backend.txt.render_text(txtgold, pos + vec2 { res.x/2+10, 10 });
-    std::string txtres = "Researching: ";
-    if (player.researching != -1) { 
-        txtres += gst.inv->get_tech(player.researching)->name; 
-    } else { txtres += "None"; }
-    float reswidth = backend.txt.get_width(txtres);
-    backend.txt.render_text(txtres, pos + vec2 { res.x-reswidth-10, 10 });
-    
-    // low bar
-    backend.render_rect (
-        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 = gr.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);
-        }
-    }
-}
-
-
-Graphics_sdl::Graphics_sdl (int resx, int resy) {
-    SDL_Init(SDL_INIT_VIDEO);
-    
-    SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
-
-    window = SDL_CreateWindow("age", SDL_WINDOWPOS_UNDEFINED, 
-        SDL_WINDOWPOS_UNDEFINED, resx, resy, SDL_WINDOW_SHOWN 
-        | SDL_WINDOW_RESIZABLE);
-    screenSurface = SDL_GetWindowSurface(window);
-
-    rend = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
-    SDL_SetRenderDrawBlendMode(rend, SDL_BLENDMODE_BLEND);
-    
-    load_sheet();
-    
-    txt.gRenderer = rend;
-}
-
-Graphics_sdl::~Graphics_sdl () {
-    SDL_DestroyWindow(window);
-    SDL_Quit();
-}
-
-SDL_Renderer* Graphics_sdl::get_renderer () { return rend; }
-
-void Graphics_sdl::present () {    
-    SDL_RenderPresent(rend);
-    SDL_SetRenderDrawColor(rend, 0, 0, 0, 255);
-    SDL_RenderClear(rend);
-}
-
-void Graphics_sdl::load_sheet () {
-    SDL_Surface* surf = SDL_LoadBMP("content/sprites.bmp");
-    SDL_SetColorKey(surf, SDL_TRUE, SDL_MapRGB(surf ->format,255,0,255));
-	if (!surf) {
-		std::cout << "Error loading image: " << SDL_GetError() << std::endl;
-		system("pause");
-		return;
-	}
-    txsprites = SDL_CreateTextureFromSurface(rend, surf);
-    SDL_FreeSurface(surf);
-    
-    SDL_Surface* surftext = SDL_LoadBMP("content/gf.bmp");
-    SDL_SetColorKey(surftext, SDL_TRUE, SDL_MapRGB(surftext ->format,255,0,255));
-	if (!surftext) {
-		std::cout << "Error loading image: " << SDL_GetError() << std::endl;
-		system("pause");
-		return;
-	}
-    txt.tex = SDL_CreateTextureFromSurface(rend, surftext);
-    SDL_FreeSurface(surftext);
-}
-
-void Graphics_sdl::render_sprite (
-    int x, int y, int w, int h, 
-    int u, int v, int s, int t)
-{
-    SDL_Rect srcRect = { x, y, w, h };
-    SDL_Rect dstRect = { u, v, s, t };
-    SDL_RenderCopy(rend, txsprites, &srcRect, &dstRect);
-}
-
-void Graphics_sdl::render_sprite (
-    int x, int y, int w, int h, 
-    int u, int v, int s, int t,
-    int r, int g, int b)
-{
-    SDL_SetTextureColorMod(txsprites, r, g, b);
-    render_sprite(x, y, w, h, u, v, s, t);
-    SDL_SetTextureColorMod(txsprites, 255, 255, 255);
-}
-
-void Graphics_sdl::render_rect (
-    int r, int g, int b, int a,
-    int x, int y, int w, int h)
-{
-    SDL_SetRenderDrawColor(rend, r, g, b, a);
-    SDL_Rect rect = { x, y, w, h };
-    SDL_RenderFillRect(rend, &rect);
-}
-
-
-
-Graphics_sdl_text::Graphics_sdl_text () {
-    for (int i=0; i<128; char_width[i++]=5);
-    char_width['('] = 2; char_width[')'] = 2;
-    char_width['['] = 2; char_width[']'] = 2;
-    char_width['{'] = 3; char_width['}'] = 3;
-    char_width[','] = 1; char_width['-'] = 5; char_width['.'] = 1; 
-    char_width['/'] = 4; char_width['!'] = 1;
-    char_width[':'] = 1; char_width[';'] = 1;
-    char_width['%'] = 4;
-    char_width['<'] = 3; char_width['>'] = 3; char_width['='] = 4;
-    char_width['I'] = 1;
-    char_width['f'] = 4; char_width['i'] = 1; char_width['j'] = 3;
-    char_width['l'] = 1; char_width['k'] = 4; char_width['t'] = 4;
-}
-
-int Graphics_sdl_text::get_width (std::string str) {
-    int width = 0;
-    for (int i=0; str[i]!='\0'; i++) { 
-        width += char_width[str[i]]; 
-        if (str[i+1]!='\0') width++;
-    }
-    return width;
-}
-
-void Graphics_sdl_text::render_text (std::string str, vec2 off) {
-    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];
-        SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };
-        SDL_Rect dstRect = { (int)off.x+width, (int)off.y, 5, 11 };
-        SDL_RenderCopy(gRenderer, tex, &srcRect, &dstRect);
-        width += char_width[char_i]+1;
-    }
-}
-
-/*
-void render_text_scaled (SDL_Renderer* rend, char str[], 
-    float off[], txtd *t, float scale) 
-{
-    int width = 0;
-    for (int i=0; str[i]!='\0'; i++) {
-        int char_i = str[i];
-        SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };
-        SDL_Rect dstRect = { off[0]+width, off[1], 5*scale, 11*scale };
-        SDL_RenderCopy(rend, t->tex, &srcRect, &dstRect);
-        width += t->cw[char_i]*scale+1*scale;
-    }
+#include <algorithm>

+#include <iostream>

+#include <string>

+

+#include <math.h>

+

+#include "graphics.h"

+#include "../game/menu.h"

+#include "../game/tile.h"

+#include "../game/constants.h"

+

+Graphics::~Graphics () {

+}

+

+void Graphics::present () {

+    backend.present();

+}

+

+void render_ent (Graphics *graphics, Gst &gst, Entity &ent, 

+    vec2 pos, int dflag) 

+{

+    Player &player = gst.players[ent.owner];

+    float bound_y = ent.info->spritebounds.y;

+    if (ent.info->unit == 0) { bound_y = player.level*16+16; }

+    int done = 0;

+    if (dflag == 1) done = 512;

+    graphics->backend.render_sprite(

+        (int)ent.info->spritebounds.x,

+        (int)bound_y+done, 16, 16,

+        (int)pos.x, (int)pos.y, 32, 32

+    );

+    if (dflag == 0) {

+        graphics->backend.render_sprite(

+            (int)ent.info->spritebounds.x,

+            (int)bound_y+768, 16, 16,

+            (int)pos.x, (int)pos.y, 32, 32,

+            player.r, player.g, player.b

+        );

+    }

+}

+

+void render_ents (Graphics *graphics, Gst &gst, int unit) {

+    std::vector<Entity> &entities = gst.entities;

+    for (int i=0; i<entities.size(); i++) {

+        if (entities[i].info->unit != unit) continue;

+        Player &player = gst.players[entities[i].owner];

+        int dflag = 0;

+        if (unit) dflag = entities[i].done;

+        vec2 pos {

+            graphics->cam.pos.x + entities[i].x*32, 

+            graphics->cam.pos.y + entities[i].y*32

+        };

+        render_ent(graphics, gst, entities[i], pos, dflag);

+    }

+}

+

+void render_menu (Graphics *graphics, Gst &gst, Menu &menu) {

+    vec2 res { (float)graphics->resx, (float)graphics->resy };

+    if (menu.active) {

+        vec2 pos { res };

+        float height = menu.options.size() * 20;

+        vec2 size { 120, height+10 };

+        pos *= 0.5f;

+        pos -= size/2;

+        graphics->backend.render_rect(

+            255,255,255,255,

+            menu.pos.x,menu.pos.y,menu.size.x,menu.size.y

+        );

+        float acc = 0;

+        for (Option opt : menu.options) {

+            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(

+                    std::to_string((int)roundf(opt.cost[0])) + "f", 

+                    menu.pos + vec2 { width + 20, 10 + acc });

+                graphics->backend.txt.render_text(

+                    std::to_string((int)roundf(opt.cost[1])) + "g", 

+                    menu.pos + vec2 { width + 50, 10 + acc });

+            }

+            acc += 20;

+        }

+    }

+}

+

+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 (!gst.check_req_tech(opt.tech, player)) {

+                    r = 100; g = 100; b = 100;

+                }

+                if (player.has_tech(opt.tech->id)) {

+                    r = constants::col_gud_r; 

+                    g = constants::col_gud_g; 

+                    b = constants::col_gud_b;

+                }

+                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];

+    Player &player = gst.players[ent.owner];

+    auto &tech = player.tech_lookup;

+    int id = ent.info->id;

+    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);

+    

+    render_ent(graphics, gst, ent, vec2 { w-32-10.0f, 10 } + pos, 0);

+    

+    graphics->backend.txt.render_text(ent.info->name, pos + vec2 { 10, 10 });

+    graphics->backend.txt.render_text("Attack", pos + vec2 { 10, 30 });

+    float attack = ent.info->attack * (1+tech.id(id).attack);

+    graphics->backend.txt.render_text(

+        std::to_string((int)roundf(attack)), pos + vec2 { 90, 30 });

+    graphics->backend.txt.render_text("Defence", pos + vec2 { 10, 45 });

+    float defence = ent.info->defence * (1+tech.id(id).defence);

+    graphics->backend.txt.render_text(

+        std::to_string((int)roundf(defence)), pos + vec2 { 90, 45 });

+    graphics->backend.txt.render_text("Move", pos + vec2 { 10, 60 });

+    int move = ent.info->move + tech.id(id).move;

+    graphics->backend.txt.render_text(

+        std::to_string(move), pos + vec2 { 90, 60 });

+    graphics->backend.txt.render_text("Range", pos + vec2 { 10, 75 });

+    int range = ent.info->range + tech.id(id).range;

+    graphics->backend.txt.render_text(

+        std::to_string(range), pos + vec2 { 90, 75 });

+    graphics->backend.txt.render_text("Sight", pos + vec2 { 10, 90 });

+    int sight = ent.info->sight + tech.id(id).sight;

+    graphics->backend.txt.render_text(

+        std::to_string(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.inv->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.inv->ground.sizex;

+    int y = i / gst.inv->ground.sizex;

+    Tile &tile = gst.inv->tiles[gst.inv->ground.tiles[gst.inv->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) 

+{

+    float margin_amt = constants::menu_attack_margin_amt;

+    float margin_arrow = constants::menu_attack_margin_arrow;

+    float margin_mod = constants::menu_attack_margin_mod;

+    

+    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 { margin_amt*(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 { 

+                    margin_amt*(1-rtl*2)-labw*rtl, 

+                    10.0f+bonusnum*10 });

+            atk_mod += b.amt;

+            bonusnum ++;

+        }

+    }

+    

+    if (bonusnum > 0) {

+        {

+            std::string label = rtl ? "<-" : "->";

+            float labw = graphics->backend.txt.get_width(label);

+            graphics->backend.txt.render_text(label, 

+                pos + vec2 { margin_arrow*(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 { margin_mod*(1-rtl*2)-labw*rtl, 0 });

+        }

+    }

+    

+    return bonusnum*10;

+}

+

+

+void render_attack_info (Graphics *graphics, Gst &gst, vec2 pos, int i, int j) {

+    float margin_amt = constants::menu_attack_margin_amt;

+    float margin_arrow = constants::menu_attack_margin_arrow;

+    float margin_mod = constants::menu_attack_margin_mod;

+    

+    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.inv->tiles[gst.inv->ground.tiles[

+            gst.inv->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.inv->tiles[gst.inv->ground.tiles[

+            gst.inv->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 { 10+margin_amt, 80 });

+    graphics->backend.txt.render_text("->", 

+        pos + vec2 { 10+margin_arrow, 80 });

+    graphics->backend.txt.render_text(

+        std::to_string((int)roundf(result.atk_hp)), 

+        pos + vec2 { 10+margin_mod, 80 });

+    graphics->backend.txt.render_text(

+        sres[atk_res],

+        pos + vec2 { 10+margin_mod+20, 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-10.0f-margin_amt-txtwidthlabel, 80 });

+    } {

+        int txtwidth = graphics->backend.txt.get_width("<-");

+        graphics->backend.txt.render_text("<-", 

+            pos + vec2 { w-10.0f-margin_arrow-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-10.0f-margin_mod-txtwidth, 80 });

+    } {

+        int txtwidth = graphics->backend.txt.get_width(sres[def_res]);

+        graphics->backend.txt.render_text(sres[def_res], 

+            pos + vec2 { w-10.0f-margin_mod-20-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.inv->ground;

+    std::vector<Entity> &entities = gst.entities;

+    vec2 res { (float)resx, (float)resy };

+    

+    for (int y=0; y<gr.sizey; y++) {

+        for (int x=0; x<gr.sizex; x++) {

+            Tile &tile = gst.inv->tiles[gr.tiles[gr.at(x,y)]];

+            backend.render_sprite(

+                (int)tile.spritebounds.x,

+                (int)tile.spritebounds.y, 16, 16, 

+                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32

+            );

+        }

+    }

+    

+    for (Resource res : gr.resources) {

+        int x = res.pos % gr.sizex;

+        int y = res.pos / gr.sizex;

+        backend.render_sprite(

+            16*res.kind, 16*2, 16, 16, 

+            (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32

+        );

+    }

+    

+    render_ents(this, gst, 0);

+    render_ents(this, gst, 1);

+    

+    /* overlay */

+    for (int y=0; y<gr.sizey; y++) {

+        for (int x=0; x<gr.sizex; x++) {

+            Tile &tile = gst.inv->tiles[gr.tiles[gr.at(x,y)]];

+            backend.render_sprite(

+                (int)tile.spritebounds.x,

+                (int)tile.spritebounds.y-16, 16, 16, 

+                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32-32, 32, 32

+            );

+        }

+    }

+    

+    if (view.selected_entity != -1) {

+        int i = view.selected_entity;

+        Entity &ent = entities[i];

+        Player &player = gst.get_player(ent.owner);

+        float bound_y = ent.info->spritebounds.y;

+        if (ent.info->unit == 0) { bound_y = player.level*16+16; }

+        vec2 pos { (float)ent.x*32, (float)ent.y*32 };

+        backend.render_sprite (

+            (int)ent.info->spritebounds.x,

+            (int)bound_y+256, 16, 16, 

+            (int)cam.pos.x + (int)pos.x, 

+            (int)cam.pos.y + (int)pos.y, 32, 32

+        );

+    } 

+    

+    if (view.selected_ground != -1) {

+        int x = view.selected_ground % gr.sizex;

+        int y = view.selected_ground / gr.sizex;

+        vec2 pos { (float)x*32, (float)y*32 };

+        Tile &tile = gst.inv->tiles[gr.tiles[gr.at(x,y)]];

+        backend.render_sprite(

+            (int)tile.spritebounds.x,

+            (int)tile.spritebounds.y+256-16, 16, 32, 

+            (int)cam.pos.x + (int)pos.x, 

+            (int)cam.pos.y + (int)pos.y-32, 32, 64

+        );

+    } 

+    

+    for (int i=0; i<entities.size(); i++) {

+        Entity &ent = entities[i];

+        if (ent.info->unit == 1) {

+            backend.render_rect(

+                0, 0, 0, 255,

+                (int)cam.pos.x + (int)ent.x*32+2, 

+                (int)cam.pos.y + (int)ent.y*32+30, 28, 2

+            );

+            int amt = 28 * (entities[i].hp / 100);

+            Player &player = gst.get_player(ent.owner);

+            backend.render_rect(

+                player.r, player.g, player.b, 255,

+                (int)cam.pos.x + (int)ent.x*32+2, 

+                (int)cam.pos.y + (int)ent.y*32+30, amt, 2

+            );

+        }

+    }

+    

+    render_menu(this, gst, view.menu_unit);

+    render_menu(this, gst, view.menu_day);

+    render_menu(this, gst, view.menu_build);

+    render_menu(this, gst, view.menu_train);

+    render_menu(this, gst, view.menu_trade);

+    render_menu(this, gst, view.menu_age_up);

+    render_menu_tech(this, gst, view);

+    

+    if (view.moves.size() > 0) {

+        for (int m : view.moves) {

+            int x = m % gr.sizex; int y = m / gr.sizex;

+            backend.render_rect(

+                0, 120, 255, 100,

+                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32

+            );

+        }

+    }

+    

+    if (view.attacks.size() > 0) {

+        for (int m : view.attacks) {

+            int x = m % gr.sizex; int y = m / gr.sizex;

+            backend.render_rect(

+                255, 120, 0, 100,

+                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32

+            );

+        }

+    }

+    

+    if (view.heals.size() > 0) {

+        for (int m : view.heals) {

+            int x = m % gr.sizex; int y = m / gr.sizex;

+            backend.render_rect(

+                0, 200, 0, 100,

+                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32

+            );

+        }

+    }

+    

+    if (view.converts.size() > 0) {

+        for (int m : view.converts) {

+            int x = m % gr.sizex; int y = m / gr.sizex;

+            backend.render_rect(

+                200, 0, 200, 100,

+                (int)cam.pos.x + x*32, (int)cam.pos.y + y*32, 32, 32

+            );

+        }

+    }

+    

+    // top bar

+    vec2 pos { 0,0 };

+    backend.render_rect (

+        255,255,255,255,

+        (int)pos.x,(int)pos.y,(int)res.x, 30

+    );

+    Player &player = gst.players[gst.turn];

+    backend.render_rect (

+        player.r, player.g, player.b, 255,

+        (int)pos.x+5,(int)pos.y+5, 20, 20

+    );

+    std::string txtfood = std::to_string((int)roundf(player.res[0])) + "f";

+    std::string txtgold = std::to_string((int)roundf(player.res[1])) + "g";

+    backend.txt.render_text(

+        txtfood, pos + vec2 { -backend.txt.get_width(txtfood) + res.x/2-10, 10 }

+    );

+    backend.txt.render_text(txtgold, pos + vec2 { res.x/2+10, 10 });

+    std::string txtres = "Researching: ";

+    if (player.researching != -1) { 

+        txtres += gst.inv->get_tech(player.researching)->name; 

+    } else { txtres += "None"; }

+    float reswidth = backend.txt.get_width(txtres);

+    backend.txt.render_text(txtres, pos + vec2 { res.x-reswidth-10, 10 });

+    

+    // low bar

+    backend.render_rect (

+        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 = gr.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);

+        }

+    }

+}

+

+

+Graphics_sdl::Graphics_sdl (int resx, int resy) {

+    SDL_Init(SDL_INIT_VIDEO);

+    

+    SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");

+

+    window = SDL_CreateWindow("age", SDL_WINDOWPOS_UNDEFINED, 

+        SDL_WINDOWPOS_UNDEFINED, resx, resy, SDL_WINDOW_SHOWN 

+        | SDL_WINDOW_RESIZABLE);

+    screenSurface = SDL_GetWindowSurface(window);

+

+    rend = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);

+    SDL_SetRenderDrawBlendMode(rend, SDL_BLENDMODE_BLEND);

+    

+    load_sheet();

+    

+    txt.gRenderer = rend;

+}

+

+Graphics_sdl::~Graphics_sdl () {

+    SDL_DestroyWindow(window);

+    SDL_Quit();

+}

+

+SDL_Renderer* Graphics_sdl::get_renderer () { return rend; }

+

+void Graphics_sdl::present () {    

+    SDL_RenderPresent(rend);

+    SDL_SetRenderDrawColor(rend, 0, 0, 0, 255);

+    SDL_RenderClear(rend);

+}

+

+void Graphics_sdl::load_sheet () {

+    SDL_Surface* surf = SDL_LoadBMP("content/sprites.bmp");

+    SDL_SetColorKey(surf, SDL_TRUE, SDL_MapRGB(surf ->format,255,0,255));

+	if (!surf) {

+		std::cout << "Error loading image: " << SDL_GetError() << std::endl;

+		system("pause");

+		return;

+	}

+    txsprites = SDL_CreateTextureFromSurface(rend, surf);

+    SDL_FreeSurface(surf);

+    

+    SDL_Surface* surftext = SDL_LoadBMP("content/gf.bmp");

+    SDL_SetColorKey(surftext, SDL_TRUE, SDL_MapRGB(surftext ->format,255,0,255));

+	if (!surftext) {

+		std::cout << "Error loading image: " << SDL_GetError() << std::endl;

+		system("pause");

+		return;

+	}

+    txt.tex = SDL_CreateTextureFromSurface(rend, surftext);

+    SDL_FreeSurface(surftext);

+}

+

+void Graphics_sdl::render_sprite (

+    int x, int y, int w, int h, 

+    int u, int v, int s, int t)

+{

+    SDL_Rect srcRect = { x, y, w, h };

+    SDL_Rect dstRect = { u, v, s, t };

+    SDL_RenderCopy(rend, txsprites, &srcRect, &dstRect);

+}

+

+void Graphics_sdl::render_sprite (

+    int x, int y, int w, int h, 

+    int u, int v, int s, int t,

+    int r, int g, int b)

+{

+    SDL_SetTextureColorMod(txsprites, r, g, b);

+    render_sprite(x, y, w, h, u, v, s, t);

+    SDL_SetTextureColorMod(txsprites, 255, 255, 255);

+}

+

+void Graphics_sdl::render_rect (

+    int r, int g, int b, int a,

+    int x, int y, int w, int h)

+{

+    SDL_SetRenderDrawColor(rend, r, g, b, a);

+    SDL_Rect rect = { x, y, w, h };

+    SDL_RenderFillRect(rend, &rect);

+}

+

+

+

+Graphics_sdl_text::Graphics_sdl_text () {

+    for (int i=0; i<128; char_width[i++]=5);

+    char_width['('] = 2; char_width[')'] = 2;

+    char_width['['] = 2; char_width[']'] = 2;

+    char_width['{'] = 3; char_width['}'] = 3;

+    char_width[','] = 1; char_width['-'] = 5; char_width['.'] = 1; 

+    char_width['/'] = 4; char_width['!'] = 1;

+    char_width[':'] = 1; char_width[';'] = 1;

+    char_width['%'] = 4;

+    char_width['<'] = 3; char_width['>'] = 3; char_width['='] = 4;

+    char_width['I'] = 1;

+    char_width['f'] = 4; char_width['i'] = 1; char_width['j'] = 3;

+    char_width['l'] = 1; char_width['k'] = 4; char_width['t'] = 4;

+}

+

+int Graphics_sdl_text::get_width (std::string str) {

+    int width = 0;

+    for (int i=0; str[i]!='\0'; i++) { 

+        width += char_width[str[i]]; 

+        if (str[i+1]!='\0') width++;

+    }

+    return width;

+}

+

+void Graphics_sdl_text::render_text (std::string str, vec2 off) {

+    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];

+        SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };

+        SDL_Rect dstRect = { (int)off.x+width, (int)off.y, 5, 11 };

+        SDL_RenderCopy(gRenderer, tex, &srcRect, &dstRect);

+        width += char_width[char_i]+1;

+    }

+}

+

+/*

+void render_text_scaled (SDL_Renderer* rend, char str[], 

+    float off[], txtd *t, float scale) 

+{

+    int width = 0;

+    for (int i=0; str[i]!='\0'; i++) {

+        int char_i = str[i];

+        SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };

+        SDL_Rect dstRect = { off[0]+width, off[1], 5*scale, 11*scale };

+        SDL_RenderCopy(rend, t->tex, &srcRect, &dstRect);

+        width += t->cw[char_i]*scale+1*scale;

+    }

 }*/
\ No newline at end of file