There's a bug where the last item in tiles.json draws a black square, which is why I named ceiling_blue to zceiling_blue to temporarily solve it.

.gitignore

@@ -27,3 +27,5 @@ backup
 *.dll
 *.world
 coverage
+coverage/*
+.venv

.vimrc_proj

@@ -1 +1 @@
-set makeprg=meson\ compile\ -C\ .
+set makeprg=make\ -f\ ../Makefile\ build

Makefile

@@ -1,47 +1,69 @@
+ROOT_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
+
 all: build test
 
 reset:
+ifeq '$(OS)' 'Windows_NT'
 	powershell -executionpolicy bypass .\scripts\reset_build.ps1
+else
+	sh -x ./scripts/reset_build.sh
+endif
 
 %.cpp : %.rl
-	ragel -o $@ $<
+	ragel -I $(ROOT_DIR) -G1 -o $@ $<
 
-build: ansi_parser.cpp lel_parser.cpp
-	meson compile -j 10 -C builddir
+%.dot: %.rl
+	ragel -Vp -I $(ROOT_DIR) -o $@ $<
+
+%.png: %.dot
+	dot -Tpng $< -o $@
+
+build:
+	meson compile -j 10 -C $(ROOT_DIR)/builddir
+
+asset_build: build
+	./builddir/icongen
 
 release_build:
 	meson --wipe builddir -Db_ndebug=true --buildtype release
 	meson compile -j 10 -C builddir
 
 debug_build:
-	meson setup --wipe builddir --buildtype debug
+	meson setup --wipe builddir -Db_ndebug=true --buildtype debugoptimized
 	meson compile -j 10 -C builddir
 
 tracy_build:
 	meson setup --wipe builddir --buildtype debugoptimized -Dtracy_enable=true -Dtracy:on_demand=true
 	meson compile -j 10 -C builddir
 
-test: build
-	./builddir/runtests
+test: asset_build build
+	./builddir/runtests "[map-sprite]"
 
 run: build test
+ifeq '$(OS)' 'Windows_NT'
 	powershell "cp ./builddir/zedcaster.exe ."
 	./zedcaster
+else
+	./builddir/zedcaster
+endif
 
 debug: build
-	gdb --nx -x .gdbinit --ex run --args builddir/zedcaster.exe
+	gdb --nx -x .gdbinit --ex run --args builddir/zedcaster
 
 debug_run: build
-	gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/zedcaster.exe
+	gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/zedcaster
 
-debug_walk: build
-	gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/zedcaster.exe t
+debug_walk: build test
+	gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/zedcaster t
 
 clean:
 	meson compile --clean -C builddir
 
 debug_test: build
-	gdb --nx -x .gdbinit --ex run --args builddir/runtests.exe -e
+	gdb --nx -x .gdbinit --ex run --args builddir/runtests -e "[map-sprite]"
 
 win_installer:
-	powershell 'start "C:\Program Files (x86)\solicus\InstallForge\bin\ifbuilderenvx86.exe" win_installer.ifp'
+	powershell 'start "C:\Program Files (x86)\solicus\InstallForge\bin\ifbuilderenvx86.exe" scripts\win_installer.ifp'
+
+coverage_report:
+	powershell 'scripts/coverage_report.ps1'

README.md

@@ -42,8 +42,9 @@ See? That's how Free Speech works. You don't need a LICENSE.
 On all platforms you'll need these components:
 
 * [Meson](https://mesonbuild.com/) -- which needs Python.
-* C++ Compiler -- Tested with Clang and G++.  You can use my [Windows C++ Setup Guide](https://git.learnjsthehardway.com/learn-code-the-hard-way/lcthw-windows-installers) which features an automated installer for Windows.
+* C++ Compiler -- Tested with Clang and GCC 14.2.0.  You can use my [Windows C++ Setup Guide](https://git.learnjsthehardway.com/learn-code-the-hard-way/lcthw-windows-installers) which features an automated installer for Windows.
 * [GNU make](https://www.gnu.org/software/make/) -- For the convenience Makefile.  On Windows you should have this if you used my setup scripts.  Otherwise `winget install ezwinports.make` will set you up.
+* [Ninja](https://ninja-build.org/) -- Meson uses this to do builds on most systems.
 * [git](https://git-scm.com/) -- Which should be on almost every platform, and is installed by default with my Windows setup scripts.
 
 ### Windows Instructions
@@ -88,7 +89,7 @@ cd raycaster
 # first compile takes a while
 make
 
-./builddir/raycaster
+./builddir/zedcaster
 ```
 
 You don't need `make run` because Linux and OSX are sane operating systems that don't lock every
@@ -127,6 +128,18 @@ I would also like statistics that show it's better, not just your word.
 
 It's early so probably a bunch of bugs.
 
+## Linux Build Notes
+
+Libraries Needed:
+
+* libxi-dev
+* libfreetype-dev
+
+It uses c++ so you may need to install a libg++ or libc++ for your system. Usually this is all you
+need:
+
+apt install build-essential
+
 ## OSX Build Notes
 
 * Quite a bad experience. Need to install Python, cmake, meson, and ninja all which are in homebrew but if you don't use homebrew then this is a problem.

ai.cpp

@@ -0,0 +1,212 @@
+#include "dbc.hpp"
+#include "ai.hpp"
+
+namespace ai {
+  using namespace nlohmann;
+  using namespace dbc;
+
+  static AIManager AIMGR;
+  static bool initialized = false;
+
+  inline void validate_profile(nlohmann::json& profile) {
+    for(auto& [name_key, value] : profile.items()) {
+      check(value < STATE_MAX,
+        fmt::format("profile field {} has value {} greater than STATE_MAX {}", (std::string)name_key, (int)value, STATE_MAX));
+    }
+  }
+
+  Action config_action(AIProfile& profile, nlohmann::json& config) {
+    check(config.contains("name"), "config_action: action config missing name");
+    check(config.contains("cost"), "config_action: action config missing cost");
+
+    Action result(config["name"], config["cost"]);
+
+    check(config.contains("needs"),
+        fmt::format("config_action: no 'needs' field", result.name));
+    check(config.contains("effects"),
+        fmt::format("config_action: no 'effects' field", result.name));
+
+    for(auto& [name_key, value] : config["needs"].items()) {
+      check(profile.contains(name_key), fmt::format("config_action({}): profile does not have need named {}", result.name, name_key));
+      result.needs(profile.at(name_key), bool(value));
+    }
+
+    for(auto& [name_key, value] : config["effects"].items()) {
+      check(profile.contains(name_key), fmt::format("config_action({}): profile does not have effect named {}", result.name, name_key));
+
+      result.effect(profile.at(name_key), bool(value));
+    }
+
+    return result;
+  }
+
+  State config_state(AIProfile& profile, nlohmann::json& config) {
+    State result;
+
+    for(auto& [name_key, value] : config.items()) {
+      check(profile.contains(name_key), fmt::format("config_state: profile does not have name {}", name_key));
+
+      int name_id = profile.at(name_key);
+      result[name_id] = bool(value);
+    }
+
+    return result;
+  }
+
+  /*
+   * This is only used in tests so I can load different fixtures.
+   */
+  void reset() {
+    initialized = false;
+    AIMGR.actions.clear();
+    AIMGR.states.clear();
+    AIMGR.scripts.clear();
+    AIMGR.profile = json({});
+  }
+
+  void init(std::string config_path) {
+    if(!initialized) {
+      Config config(config_path);
+
+      // profile specifies what keys (bitset indexes) are allowed
+      // and how they map to the bitset of State
+      validate_profile(config["profile"]);
+
+      // relies on json conversion?
+      AIMGR.profile = config["profile"];
+
+      // load all actions
+      auto& actions = config["actions"];
+      for(auto& action_vars : actions) {
+        auto the_action = config_action(AIMGR.profile, action_vars);
+        AIMGR.actions.insert_or_assign(the_action.name, the_action);
+      }
+
+      // load all states
+      auto& states = config["states"];
+      for(auto& [name, state_vars] : states.items()) {
+        auto the_state = config_state(AIMGR.profile, state_vars);
+        AIMGR.states.insert_or_assign(name, the_state);
+      }
+
+      auto& scripts = config["scripts"];
+      for(auto& [script_name, action_names] : scripts.items()) {
+        std::vector<Action> the_script;
+
+        for(auto name : action_names) {
+          check(AIMGR.actions.contains(name),
+              fmt::format("ai::init(): script {} uses action {} that doesn't exist",
+                (std::string)script_name, (std::string)name));
+
+          the_script.push_back(AIMGR.actions.at(name));
+        }
+
+        AIMGR.scripts.insert_or_assign(script_name, the_script);
+      }
+      initialized = true;
+    } else {
+      dbc::sentinel("DOUBLE INIT: AI manager should only be intialized once if not in tests.");
+    }
+  }
+
+  void check_valid_action(std::string name, std::string msg) {
+    dbc::check(AIMGR.actions.contains(name),
+        fmt::format("{} tried to access action that doesn't exist {}",
+            msg, name));
+  }
+
+  State load_state(std::string state_name) {
+    check(initialized, "you forgot to initialize the AI first.");
+    check(AIMGR.states.contains(state_name), fmt::format(
+          "ai::load_state({}): state does not exist in config",
+          state_name));
+
+    return AIMGR.states.at(state_name);
+  }
+
+  Action load_action(std::string action_name) {
+    check(initialized, "you forgot to initialize the AI first.");
+    check(AIMGR.states.contains(action_name), fmt::format(
+          "ai::load_action({}): action does not exist in config",
+          action_name));
+    return AIMGR.actions.at(action_name);
+  }
+
+  std::vector<Action> load_script(std::string script_name) {
+    check(AIMGR.scripts.contains(script_name), fmt::format(
+          "ai::load_script(): no script named {} configured", script_name));
+    return AIMGR.scripts.at(script_name);
+  }
+
+  ActionPlan plan(std::string script_name, State start, State goal) {
+    // BUG: could probably memoize here, since:
+    // same script+same start+same goal will/should produce the same results
+
+    check(initialized, "you forgot to initialize the AI first.");
+    auto script = load_script(script_name);
+    return plan_actions(script, start, goal);
+  }
+
+  int state_id(std::string name) {
+    check(AIMGR.profile.contains(name), fmt::format(
+          "ai::state_id({}): id is not configured in profile",
+          name));
+    return AIMGR.profile.at(name);
+  }
+
+  void set(State& state, std::string name, bool value) {
+    // resort by best fit
+    state.set(state_id(name), value);
+  }
+
+  bool test(State state, std::string name) {
+    return state.test(state_id(name));
+  }
+
+  void EntityAI::fit_sort() {
+    if(active()) {
+      std::sort(plan.script.begin(), plan.script.end(),
+          [&](auto& l, auto& r) {
+            int l_cost = l.cost + ai::distance_to_goal(start, goal);
+            int r_cost = r.cost + ai::distance_to_goal(start, goal);
+            return l_cost < r_cost;
+          });
+    }
+  }
+
+  std::string& EntityAI::wants_to() {
+    return plan.script[0].name;
+  }
+
+  bool EntityAI::wants_to(std::string name) {
+    ai::check_valid_action(name, "EntityAI::wants_to");
+    return plan.script.size() > 0 && plan.script[0].name == name;
+  }
+
+  bool EntityAI::active() {
+    if(plan.script.size() == 1) {
+      return plan.script[0] != FINAL_ACTION;
+    } else {
+      return plan.script.size() != 0;
+    }
+  }
+
+  void EntityAI::set_state(std::string name, bool setting) {
+    fit_sort();
+    ai::set(start, name, setting);
+  }
+
+  bool EntityAI::get_state(std::string name) {
+    return ai::test(start, name);
+  }
+
+  void EntityAI::update() {
+    plan = ai::plan(script, start, goal);
+    fit_sort();
+  }
+
+  AIProfile* profile() {
+    return &AIMGR.profile;
+  }
+
+}

ai.hpp

@@ -0,0 +1,64 @@
+#pragma once
+#include <vector>
+#include "matrix.hpp"
+#include <bitset>
+#include <limits>
+#include <optional>
+#include <nlohmann/json.hpp>
+#include "config.hpp"
+#include "goap.hpp"
+
+namespace ai {
+  struct EntityAI {
+    std::string script;
+    ai::State start;
+    ai::State goal;
+    ai::ActionPlan plan;
+
+    EntityAI(std::string script, ai::State start, ai::State goal) :
+      script(script), start(start), goal(goal)
+    {
+    }
+
+    EntityAI() {};
+
+    bool wants_to(std::string name);
+    std::string& wants_to();
+    void fit_sort();
+
+    bool active();
+
+    void set_state(std::string name, bool setting);
+    bool get_state(std::string name);
+
+    void update();
+
+    void dump();
+  };
+
+  struct AIManager {
+    AIProfile profile;
+    std::unordered_map<std::string, Action> actions;
+    std::unordered_map<std::string, State> states;
+    std::unordered_map<std::string, std::vector<Action>> scripts;
+  };
+
+  /* This is really only used in test to load different fixtures. */
+  void reset();
+  void init(std::string config_path);
+
+  Action config_action(AIProfile& profile, nlohmann::json& config);
+  State config_state(AIProfile& profile, nlohmann::json& config);
+
+  int state_id(std::string name);
+  State load_state(std::string state_name);
+  Action load_action(std::string action_name);
+  std::vector<Action> load_script(std::string script_name);
+
+  void set(State& state, std::string name, bool value=true);
+  bool test(State state, std::string name);
+  ActionPlan plan(std::string script_name, State start, State goal);
+
+  /* Mostly used for debugging and validation. */
+  void check_valid_action(std::string name, std::string msg);
+}

ai_debug.cpp

@@ -0,0 +1,64 @@
+#include "ai.hpp"
+#include "ai_debug.hpp"
+
+namespace ai {
+
+  /*
+   * Yeah this is weird but it's only to debug things like
+   * the preconditions which are weirdly done.
+   */
+  void dump_only(State state, bool matching, bool show_as) {
+    AIProfile* profile = ai::profile();
+    for(auto& [name, name_id] : *profile) {
+      if(state.test(name_id) == matching) {
+        fmt::println("\t{}={}", name, show_as);
+      }
+    }
+  }
+
+  void dump_state(State state) {
+    AIProfile* profile = ai::profile();
+    for(auto& [name, name_id] : *profile) {
+      fmt::println("\t{}={}", name,
+          state.test(name_id));
+    }
+  }
+
+  void dump_action(Action& action) {
+    fmt::println(" --ACTION: {}, cost={}", action.name, action.cost);
+
+    fmt::println("   PRECONDS:");
+    dump_only(action.$positive_preconds, true, true);
+    dump_only(action.$negative_preconds, true, false);
+
+    fmt::println("   EFFECTS:");
+    dump_only(action.$positive_effects, true, true);
+    dump_only(action.$negative_effects, true, false);
+  }
+
+  State dump_script(std::string msg, State start, Script& script) {
+    fmt::println("--SCRIPT DUMP: {}", msg);
+    fmt::println("# STATE BEFORE:");
+    dump_state(start);
+    fmt::print("% ACTIONS PLANNED:");
+    for(auto& action : script) {
+      fmt::print("{} ", action.name);
+    }
+    fmt::print("\n");
+
+    for(auto& action : script) {
+      dump_action(action);
+
+      start = action.apply_effect(start);
+      fmt::println(" ## STATE AFTER:");
+      dump_state(start);
+    }
+
+    return start;
+  }
+
+  void EntityAI::dump() {
+    dump_script(script, start, plan.script);
+  }
+
+}

ai_debug.hpp

@@ -0,0 +1,10 @@
+#pragma once
+#include "goap.hpp"
+
+namespace ai {
+  AIProfile* profile();
+  void dump_only(State state, bool matching, bool show_as);
+  void dump_state(State state);
+  void dump_action(Action& action);
+  State dump_script(std::string msg, State start, Script& script);
+}

amt/raycaster.cpp

@@ -68,7 +68,6 @@ void Raycaster::position_camera(float player_x, float player_y) {
 
 void Raycaster::draw_pixel_buffer() {
   view_texture.update(pixels.to_raw_buf(), {(unsigned int)$width, (unsigned int)$height}, {0, 0});
-  // BUG: can I do this once and just update it?
   $window.draw(view_sprite);
 }
 

animation.cpp

@@ -0,0 +1,117 @@
+#include "animation.hpp"
+
+namespace components {
+  void Animation::play() {
+    if(!playing) {
+      current = 0;
+      subframe = 0.0f;
+      playing = true;
+    }
+  }
+
+  float Animation::twitching() {
+    float tick = ease::sine(float(frames) / subframe * ease_rate);
+
+    switch(easing) {
+      case ease::NONE:
+        return 0.0;
+      case ease::SINE:
+        return tick;
+      case ease::OUT_CIRC:
+        return ease::out_circ(tick);
+      case ease::OUT_BOUNCE:
+        return ease::sine(ease::out_bounce(tick));
+      case ease::IN_OUT_BACK:
+        return ease::sine(ease::in_out_back(tick));
+      default:
+        dbc::sentinel(
+            fmt::format("Invalid easing {} given to animation",
+              int(easing)));
+    }
+  }
+
+  void Animation::step(sf::Vector2f& scale_out, sf::Vector2f& pos_out, sf::IntRect& rect_out) {
+    if(playing && current < frames) {
+      float tick = twitching();
+      scale_out.x = std::lerp(scale_out.x, scale_out.x + scale, tick);
+      scale_out.y = std::lerp(scale_out.y, scale_out.y + scale, tick);
+
+      if(stationary) {
+        pos_out.y = pos_out.y - (pos_out.y * scale_out.y - pos_out.y);
+      }
+
+      if(!simple) {
+        rect_out.position.x += current * frame_width;
+      }
+
+      subframe += speed;
+      current = int(subframe);
+    } else if(!looped) {
+      playing = false;
+      current = frames - 1;
+      subframe = float(frames - 1);
+
+      if(!simple) {
+        rect_out.position.x += current * frame_width;
+      }
+    } else {
+      playing = false;
+      current = 0;
+      subframe = 0.0f;
+    }
+  }
+}
+
+
+namespace animation {
+  using namespace components;
+  using namespace textures;
+
+  static AnimationManager MGR;
+  static bool initialized = false;
+
+  bool apply(Animation& anim, SpriteTexture& target) {
+    auto size = target.texture->getSize();
+    anim.frame_width = int(size.x) / (unsigned int)anim.frames;
+    sf::IntRect rect{{0,0}, {anim.frame_width, int(size.y)}};
+    sf::Vector2f scale{1.0, 1.0};
+    sf::Vector2f pos{0, 0};
+
+    anim.step(scale, pos, rect);
+
+    target.sprite->setTextureRect(rect);
+    target.sprite->setPosition(pos);
+    target.sprite->setScale(scale);
+
+    return anim.playing;
+  }
+
+  void rotate(sf::Sprite& target, float degrees) {
+    target.rotate(sf::degrees(degrees));
+  }
+
+  void center(sf::Sprite& target, sf::Vector2f pos) {
+    auto bounds = target.getLocalBounds();
+    target.setPosition({pos.x + bounds.size.x / 2,
+        pos.y + bounds.size.y / 2});
+    target.setOrigin({bounds.size.x / 2, bounds.size.y / 2});
+  }
+
+  void init() {
+    if(!initialized) {
+      Config config("assets/animations.json");
+
+      for(auto& [name, data] : config.json().items()) {
+        auto anim = components::convert<Animation>(data);
+        MGR.animations.insert_or_assign(name, anim);
+      }
+
+      initialized = true;
+    }
+  }
+
+  Animation load(std::string name) {
+    dbc::check(initialized, "You forgot to initialize animation.");
+    return MGR.animations.at(name);
+  }
+}

animation.hpp

@@ -0,0 +1,17 @@
+#pragma once
+#include "components.hpp"
+#include "textures.hpp"
+#include "easings.hpp"
+
+namespace animation {
+  struct AnimationManager {
+    std::unordered_map<std::string, components::Animation> animations;
+  };
+
+  bool apply(components::Animation& anim, textures::SpriteTexture& target);
+  void rotate(sf::Sprite& target, float degrees);
+  void center(sf::Sprite& target, sf::Vector2f pos);
+
+  void init();
+  components::Animation load(std::string name);
+}

ansi_parser.cpp

@@ -1,376 +0,0 @@
-
-#line 1 "ansi_parser.rl"
-#include <fmt/core.h>
-#include <string_view>
-#include "dbc.hpp"
-#include <SFML/Graphics.hpp>
-#include "ansi_parser.hpp"
-#include <iostream>
-
-using namespace fmt;
-
-
-#line 122 "ansi_parser.rl"
-
-
-
-#line 13 "ansi_parser.cpp"
-static const char _ansi_parser_actions[] = {
-	0, 1, 0, 1, 3, 1, 4, 1,
-	5, 1, 6, 1, 7, 1, 8, 1,
-	9, 1, 10, 1, 11, 1, 15, 1,
-	16, 2, 1, 12, 2, 1, 13, 2,
-	6, 7, 2, 16, 5, 3, 1, 14,
-	2
-};
-
-static const char _ansi_parser_key_offsets[] = {
-	0, 0, 1, 2, 11, 12, 14, 17,
-	18, 22, 23, 27, 28, 29, 30, 31,
-	33, 36, 38, 41, 43, 46, 47, 50,
-	51, 52, 53, 54, 55
-};
-
-static const int _ansi_parser_trans_keys[] = {
-	27, 91, 48, 49, 50, 51, 52, 55,
-	57, 53, 54, 109, 48, 109, 34, 48,
-	55, 109, 50, 52, 55, 109, 109, 49,
-	56, 57, 109, 109, 59, 50, 59, 48,
-	57, 59, 48, 57, 48, 57, 59, 48,
-	57, 48, 57, 109, 48, 57, 109, 56,
-	57, 109, 59, 50, 109, 109, 27, 27,
-	0
-};
-
-static const char _ansi_parser_single_lengths[] = {
-	0, 1, 1, 7, 1, 2, 3, 1,
-	4, 1, 4, 1, 1, 1, 1, 0,
-	1, 0, 1, 0, 1, 1, 3, 1,
-	1, 1, 1, 1, 1
-};
-
-static const char _ansi_parser_range_lengths[] = {
-	0, 0, 0, 1, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 1,
-	1, 1, 1, 1, 1, 0, 0, 0,
-	0, 0, 0, 0, 0
-};
-
-static const char _ansi_parser_index_offsets[] = {
-	0, 0, 2, 4, 13, 15, 18, 22,
-	24, 29, 31, 36, 38, 40, 42, 44,
-	46, 49, 51, 54, 56, 59, 61, 65,
-	67, 69, 71, 73, 75
-};
-
-static const char _ansi_parser_trans_targs[] = {
-	2, 1, 3, 0, 4, 5, 8, 10,
-	22, 26, 6, 7, 0, 28, 0, 6,
-	28, 0, 7, 7, 7, 0, 28, 0,
-	7, 7, 9, 28, 0, 28, 0, 11,
-	12, 21, 28, 0, 28, 0, 13, 0,
-	14, 0, 15, 0, 16, 0, 17, 16,
-	0, 18, 0, 19, 18, 0, 20, 0,
-	28, 20, 0, 28, 0, 23, 25, 28,
-	0, 24, 0, 14, 0, 28, 0, 28,
-	0, 2, 1, 2, 1, 0
-};
-
-static const char _ansi_parser_trans_actions[] = {
-	0, 7, 0, 0, 21, 21, 21, 21,
-	21, 21, 21, 21, 0, 31, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 17, 0, 15, 0, 0,
-	0, 0, 0, 0, 19, 0, 0, 0,
-	3, 0, 0, 0, 1, 0, 25, 0,
-	0, 1, 0, 28, 0, 0, 1, 0,
-	37, 0, 0, 9, 0, 0, 0, 0,
-	0, 0, 0, 5, 0, 11, 0, 13,
-	0, 0, 7, 23, 34, 0
-};
-
-static const char _ansi_parser_eof_actions[] = {
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 23
-};
-
-static const int ansi_parser_start = 27;
-static const int ansi_parser_first_final = 27;
-static const int ansi_parser_error = 0;
-
-static const int ansi_parser_en_main = 27;
-
-
-#line 125 "ansi_parser.rl"
-
-#include <ftxui/screen/terminal.hpp>
-
-ANSIParser::ANSIParser(sf::Color default_fg, sf::Color default_bg) :
-  $default_fg(default_fg),
-  $default_bg(default_bg)
-{
-}
-
-bool ANSIParser::parse(std::wstring_view codes, ColorCB color_cb, WriteCB write_cb) {
-  const wchar_t *start = nullptr;
-  int cs = 0;
-  unsigned int value = 0;
-  const wchar_t *p = codes.data();
-  const wchar_t *pe = p + codes.size();
-  const wchar_t *eof = pe;
-  sf::Color bgcolor($default_bg);
-  sf::Color color($default_fg);
-  sf::Color* target = &color;
-
-
-#line 120 "ansi_parser.cpp"
-	{
-	cs = ansi_parser_start;
-	}
-
-#line 146 "ansi_parser.rl"
-
-#line 123 "ansi_parser.cpp"
-	{
-	int _klen;
-	unsigned int _trans;
-	const char *_acts;
-	unsigned int _nacts;
-	const int *_keys;
-
-	if ( p == pe )
-		goto _test_eof;
-	if ( cs == 0 )
-		goto _out;
-_resume:
-	_keys = _ansi_parser_trans_keys + _ansi_parser_key_offsets[cs];
-	_trans = _ansi_parser_index_offsets[cs];
-
-	_klen = _ansi_parser_single_lengths[cs];
-	if ( _klen > 0 ) {
-		const int *_lower = _keys;
-		const int *_mid;
-		const int *_upper = _keys + _klen - 1;
-		while (1) {
-			if ( _upper < _lower )
-				break;
-
-			_mid = _lower + ((_upper-_lower) >> 1);
-			if ( (*p) < *_mid )
-				_upper = _mid - 1;
-			else if ( (*p) > *_mid )
-				_lower = _mid + 1;
-			else {
-				_trans += (unsigned int)(_mid - _keys);
-				goto _match;
-			}
-		}
-		_keys += _klen;
-		_trans += _klen;
-	}
-
-	_klen = _ansi_parser_range_lengths[cs];
-	if ( _klen > 0 ) {
-		const int *_lower = _keys;
-		const int *_mid;
-		const int *_upper = _keys + (_klen<<1) - 2;
-		while (1) {
-			if ( _upper < _lower )
-				break;
-
-			_mid = _lower + (((_upper-_lower) >> 1) & ~1);
-			if ( (*p) < _mid[0] )
-				_upper = _mid - 2;
-			else if ( (*p) > _mid[1] )
-				_lower = _mid + 2;
-			else {
-				_trans += (unsigned int)((_mid - _keys)>>1);
-				goto _match;
-			}
-		}
-		_trans += _klen;
-	}
-
-_match:
-	cs = _ansi_parser_trans_targs[_trans];
-
-	if ( _ansi_parser_trans_actions[_trans] == 0 )
-		goto _again;
-
-	_acts = _ansi_parser_actions + _ansi_parser_trans_actions[_trans];
-	_nacts = (unsigned int) *_acts++;
-	while ( _nacts-- > 0 )
-	{
-		switch ( *_acts++ )
-		{
-	case 0:
-#line 14 "ansi_parser.rl"
-	{
-    start = p;
-  }
-	break;
-	case 1:
-#line 18 "ansi_parser.rl"
-	{
-    value = 0;
-    size_t len = p - start;
-    dbc::check(start[0] != '-', "negative numbers not supported");
-
-    switch(len) {
-      case 10:    value += (start[len-10] - '0') * 1000000000; [[fallthrough]];
-      case  9:    value += (start[len- 9] - '0') * 100000000; [[fallthrough]];
-      case  8:    value += (start[len- 8] - '0') * 10000000; [[fallthrough]];
-      case  7:    value += (start[len- 7] - '0') * 1000000; [[fallthrough]];
-      case  6:    value += (start[len- 6] - '0') * 100000; [[fallthrough]];
-      case  5:    value += (start[len- 5] - '0') * 10000; [[fallthrough]];
-      case  4:    value += (start[len- 4] - '0') * 1000; [[fallthrough]];
-      case  3:    value += (start[len- 3] - '0') * 100; [[fallthrough]];
-      case  2:    value += (start[len- 2] - '0') * 10; [[fallthrough]];
-      case  1:    value += (start[len- 1] - '0');
-        break;
-      default:
-        dbc::sentinel("can't process > 10 digits");
-    }
-  }
-	break;
-	case 2:
-#line 40 "ansi_parser.rl"
-	{
-    color_cb(color, bgcolor);
-  }
-	break;
-	case 3:
-#line 43 "ansi_parser.rl"
-	{
-    target = &color;
-  }
-	break;
-	case 4:
-#line 46 "ansi_parser.rl"
-	{
-    target = &bgcolor;
-  }
-	break;
-	case 5:
-#line 50 "ansi_parser.rl"
-	{
-    write_cb((*p));
-  }
-	break;
-	case 6:
-#line 54 "ansi_parser.rl"
-	{
-    color = $default_fg;
-    color_cb(color, bgcolor);
-  }
-	break;
-	case 7:
-#line 58 "ansi_parser.rl"
-	{
-    bgcolor = $default_bg;
-    color_cb(color, bgcolor);
-  }
-	break;
-	case 8:
-#line 62 "ansi_parser.rl"
-	{
-    color = $default_bg;
-    bgcolor = $default_fg;
-    color_cb(color, bgcolor);
-  }
-	break;
-	case 9:
-#line 67 "ansi_parser.rl"
-	{
-    color = $default_fg;
-    bgcolor = $default_bg;
-    color_cb(color, bgcolor);
-  }
-	break;
-	case 10:
-#line 72 "ansi_parser.rl"
-	{
-    color = sf::Color(100,100,100);
-    color_cb(color, bgcolor);
-  }
-	break;
-	case 11:
-#line 76 "ansi_parser.rl"
-	{
-    color = sf::Color::Red;
-    color_cb(color, bgcolor);
-  }
-	break;
-	case 12:
-#line 81 "ansi_parser.rl"
-	{ target->r = value; }
-	break;
-	case 13:
-#line 82 "ansi_parser.rl"
-	{ target->g = value; }
-	break;
-	case 14:
-#line 83 "ansi_parser.rl"
-	{ target->b = value; }
-	break;
-	case 15:
-#line 84 "ansi_parser.rl"
-	{ value = 0; }
-	break;
-	case 16:
-#line 85 "ansi_parser.rl"
-	{}
-	break;
-#line 296 "ansi_parser.cpp"
-		}
-	}
-
-_again:
-	if ( cs == 0 )
-		goto _out;
-	if ( ++p != pe )
-		goto _resume;
-	_test_eof: {}
-	if ( p == eof )
-	{
-	const char *__acts = _ansi_parser_actions + _ansi_parser_eof_actions[cs];
-	unsigned int __nacts = (unsigned int) *__acts++;
-	while ( __nacts-- > 0 ) {
-		switch ( *__acts++ ) {
-	case 16:
-#line 85 "ansi_parser.rl"
-	{}
-	break;
-#line 314 "ansi_parser.cpp"
-		}
-	}
-	}
-
-	_out: {}
-	}
-
-#line 147 "ansi_parser.rl"
-
-  bool good = pe - p == 0;
-
-  if(!good) {
-    p -= 10;
-    // dear cthuhlu, save me from the pain that is wstring
-    for(int i = 0; i < 100; i++) {
-      try {
-        print("{}", p[i] == 0x1B ? '^' : char(p[i]));
-      } catch(...) {
-        print("?=", int(p[i]));
-      }
-    }
-  }
-
-  (void)ansi_parser_first_final;
-  (void)ansi_parser_error;
-  (void)ansi_parser_en_main;
-
-
-  return good;
-}

ansi_parser.hpp

@@ -1,23 +0,0 @@
-#pragma once
-#include <string_view>
-#include <SFML/Graphics.hpp>
-#include <codecvt>
-#include <functional>
-
-typedef std::function<void(sf::Color bgcolor, sf::Color color)> ColorCB;
-
-typedef std::function<void(wchar_t ch)> WriteCB;
-
-class ANSIParser {
-  sf::Color $default_fg;
-  sf::Color $default_bg;
-  std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> $converter;
-
-public:
-  ANSIParser(sf::Color default_fg, sf::Color default_bg);
-
-  // disable copying
-  ANSIParser(ANSIParser& ap) = delete;
-
-  bool parse(std::wstring_view codes, ColorCB color_cb, WriteCB write_cb);
-};

ansi_parser.rl

@@ -1,167 +0,0 @@
-#include <fmt/core.h>
-#include <string_view>
-#include "dbc.hpp"
-#include <SFML/Graphics.hpp>
-#include "ansi_parser.hpp"
-#include <iostream>
-
-using namespace fmt;
-
-%%{
-  machine ansi_parser;
-  alphtype int;
-
-  action tstart {
-    start = fpc;
-  }
-
-  action number {
-    value = 0;
-    size_t len = fpc - start;
-    dbc::check(start[0] != '-', "negative numbers not supported");
-
-    switch(len) {
-      case 10:    value += (start[len-10] - '0') * 1000000000; [[fallthrough]];
-      case  9:    value += (start[len- 9] - '0') * 100000000; [[fallthrough]];
-      case  8:    value += (start[len- 8] - '0') * 10000000; [[fallthrough]];
-      case  7:    value += (start[len- 7] - '0') * 1000000; [[fallthrough]];
-      case  6:    value += (start[len- 6] - '0') * 100000; [[fallthrough]];
-      case  5:    value += (start[len- 5] - '0') * 10000; [[fallthrough]];
-      case  4:    value += (start[len- 4] - '0') * 1000; [[fallthrough]];
-      case  3:    value += (start[len- 3] - '0') * 100; [[fallthrough]];
-      case  2:    value += (start[len- 2] - '0') * 10; [[fallthrough]];
-      case  1:    value += (start[len- 1] - '0');
-        break;
-      default:
-        dbc::sentinel("can't process > 10 digits");
-    }
-  }
-
-  action color_out {
-    color_cb(color, bgcolor);
-  }
-  action is_fg {
-    target = &color;
-  }
-  action is_bg {
-    target = &bgcolor;
-  }
-
-  action out {
-    write_cb(fc);
-  }
-
-  action reset_fg {
-    color = $default_fg;
-    color_cb(color, bgcolor);
-  }
-  action reset_bg {
-    bgcolor = $default_bg;
-    color_cb(color, bgcolor);
-  }
-  action invert {
-    color = $default_bg;
-    bgcolor = $default_fg;
-    color_cb(color, bgcolor);
-  }
-  action reset_invert {
-    color = $default_fg;
-    bgcolor = $default_bg;
-    color_cb(color, bgcolor);
-  }
-  action half_bright {
-    color = sf::Color(100,100,100);
-    color_cb(color, bgcolor);
-  }
-  action red_text {
-    color = sf::Color::Red;
-    color_cb(color, bgcolor);
-  }
-
-  action red { target->r = value; }
-  action blue { target->g = value; }
-  action green { target->b = value; }
-  action start { value = 0; }
-  action end {}
-  action log { println("command {}", (char)fc); }
-
-  ESC = 0x1B;
-  start = ESC "[";
-  fg = "38;" %is_fg;
-  bg = "48;" %is_bg;
-  reset = ("39" %reset_fg | "49" %reset_bg);
-  num = digit+ >tstart %number;
-  color256 = "5;";
-  color24b = "2;";
-
-  ansi = (
-      start %start
-      (
-        reset |
-        "0" %reset_fg %reset_bg |
-        "1"  |
-        "2" %half_bright |
-        "3"  |
-        "4"  |
-        "5"  |
-        "6"  |
-        "7" %invert |
-        "31" %red_text |
-        "22" |
-        "24" |
-        "27" %reset_invert |
-        "9" ["0"-"7"] |
-        "10" ["0"-"7"] |
-        (fg|bg) (color24b num %red ";" num %blue ";" num %green ) %color_out
-      ) "m" %end
-  );
-
-  other = (any+ @out -- ESC)*;
-
-  main := (other :> ansi)**;
-}%%
-
-%% write data;
-
-#include <ftxui/screen/terminal.hpp>
-
-ANSIParser::ANSIParser(sf::Color default_fg, sf::Color default_bg) :
-  $default_fg(default_fg),
-  $default_bg(default_bg)
-{
-}
-
-bool ANSIParser::parse(std::wstring_view codes, ColorCB color_cb, WriteCB write_cb) {
-  const wchar_t *start = nullptr;
-  int cs = 0;
-  unsigned int value = 0;
-  const wchar_t *p = codes.data();
-  const wchar_t *pe = p + codes.size();
-  const wchar_t *eof = pe;
-  sf::Color bgcolor($default_bg);
-  sf::Color color($default_fg);
-  sf::Color* target = &color;
-
-  %% write init;
-  %% write exec;
-
-  bool good = pe - p == 0;
-
-  if(!good) {
-    p -= 10;
-    // dear cthuhlu, save me from the pain that is wstring
-    for(int i = 0; i < 100; i++) {
-      try {
-        print("{}", p[i] == 0x1B ? '^' : char(p[i]));
-      } catch(...) {
-        print("?=", int(p[i]));
-      }
-    }
-  }
-
-  (void)ansi_parser_first_final;
-  (void)ansi_parser_error;
-  (void)ansi_parser_en_main;
-
-  return good;
-}

assets/ai.json

@@ -0,0 +1,125 @@
+{
+  "profile": {
+    "enemy_found": 0,
+    "enemy_dead": 1,
+    "health_good": 2,
+    "no_more_items": 3,
+    "no_more_enemies": 4,
+    "in_combat": 5,
+    "have_item": 6,
+    "have_healing": 7,
+    "detect_enemy": 8,
+    "tough_personality": 9
+  },
+  "actions": [
+    {
+      "name": "find_enemy",
+      "cost": 5,
+      "needs": {
+        "detect_enemy": true,
+        "in_combat": false,
+        "no_more_enemies": false,
+        "enemy_found": false
+      },
+      "effects": {
+        "enemy_found": true
+      }
+    },
+    {
+      "name": "run_away",
+      "cost": 0,
+      "needs": {
+        "tough_personality": false,
+        "in_combat": true,
+        "have_healing": false,
+        "health_good": false
+      },
+      "effects": {
+        "in_combat": false
+      }
+    },
+    {
+      "name": "kill_enemy",
+      "cost": 10,
+      "needs": {
+        "no_more_enemies": false,
+        "in_combat": true,
+        "enemy_found": true,
+        "enemy_dead": false
+      },
+
+      "effects": {
+        "enemy_dead": true
+      }
+    },
+    {
+      "name": "collect_items",
+      "cost": 5,
+      "needs": {
+        "no_more_enemies": true,
+        "no_more_items": false
+      },
+      "effects": {
+        "no_more_items": true
+      }
+    },
+    {
+      "name": "use_healing",
+      "cost": 0,
+      "needs": {
+        "have_item": true,
+        "have_healing": true,
+        "in_combat": false,
+        "health_good": false
+      },
+      "effects": {
+        "health_good": true
+      }
+    }
+  ],
+  "states": {
+    "Host::initial_state": {
+      "enemy_found": false,
+      "enemy_dead": false,
+      "health_good": true,
+      "no_more_items": false,
+      "no_more_enemies": false,
+      "in_combat": false,
+      "have_item": false,
+      "have_healing": false,
+      "detect_enemy": true,
+      "tough_personality": true
+    },
+    "Host::final_state": {
+      "enemy_found": true,
+      "enemy_dead": true,
+      "health_good": true,
+      "no_more_items": true,
+      "in_combat": false,
+      "no_more_enemies": true
+    },
+    "Enemy::initial_state": {
+      "detect_enemy": false,
+      "tough_personality": true,
+      "enemy_found": false,
+      "enemy_dead": false,
+      "health_good": true,
+      "in_combat": false
+    },
+    "Enemy::final_state": {
+      "detect_enemy": true,
+      "enemy_found": true,
+      "enemy_dead": true,
+      "health_good": true
+    }
+  },
+  "scripts": {
+    "Host::actions":
+      ["find_enemy",
+      "kill_enemy",
+      "collect_items",
+      "use_healing"],
+    "Enemy::actions":
+      ["find_enemy", "run_away", "kill_enemy", "use_healing"]
+  }
+}

assets/animations.json

@@ -0,0 +1,12 @@
+{
+  "ritual_blanket": {
+    "_type": "Animation",
+    "easing": 0,
+    "ease_rate": 0.5,
+    "scale": 1.0,
+    "simple": false,
+    "frames": 3,
+    "speed": 0.2,
+    "stationary": true
+  }
+}

assets/bosses.json

@@ -3,7 +3,7 @@
     "components": [
       {"_type": "BossFight",
         "background": "boss_fight_background",
-        "stage": false,
+        "stage": null,
         "weapon_sound": "Sword_Hit_2"
       },
       {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 20, "dead": false},
@@ -24,7 +24,7 @@
     "components": [
       {"_type": "BossFight",
         "background": "devils_fingers_background",
-        "stage": false,
+        "stage": "devils_fingers_stage",
         "weapon_sound": "Sword_Hit_2"
       },
       {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 20, "dead": false},

assets/config.json

@@ -17,45 +17,236 @@
     "Marmot_Scream_1": "assets/sounds/Creature_Sounds-Marmot_Scream_1.ogg",
     "blank": "assets/sounds/blank.ogg",
     "pickup": "assets/sounds/pickup.ogg",
-    "ambient_1": "assets/sounds/ambient_1.ogg"
+    "ambient_1": "assets/sounds/ambient_1.ogg",
+    "ui_click": "assets/sounds/ui_click.ogg",
+    "ui_hover": "assets/sounds/ui_hover.ogg",
+    "punch_cartoony": "assets/sounds/punch_cartoony.ogg",
+    "electric_shock_01": "assets/sounds/electric_shock_01.ogg",
+    "fireball_01": "assets/sounds/fireball_01.ogg",
+    "hp_status_80": "assets/sounds/hp_status_80.ogg",
+    "hp_status_60": "assets/sounds/hp_status_60.ogg",
+    "hp_status_30": "assets/sounds/hp_status_30.ogg",
+    "hp_status_10": "assets/sounds/hp_status_10.ogg",
+    "hp_status_00": "assets/sounds/hp_status_00.ogg"
   },
   "sprites": {
-    "armored_knight": "assets/armored_knight_1-256.png",
-    "sword": "assets/cinqueda_1-512.png",
-    "rat_with_sword": "assets/rat_with_sword-256.png",
-    "rat_king": "assets/rat_king-256.png",
-    "rat_king_boss": "assets/rat_king_2_frame_animation.png",
-    "barrel_small": "assets/wood_barrel_small-256.png",
-    "hanging_brazier": "assets/hanging_brazier-256.png",
-    "torch_pillar": "assets/torch_pillar-256.png",
-    "torch_crappy": "assets/torch_crappy-256.png",
-    "torch_horizontal_floor": "assets/torch_horizontal_floor-256.png",
-    "evil_eye": "assets/evil_eye-sprites.png",
-    "peasant_girl": "assets/undead_peasant-256.png",
-    "grave_stone": "assets/grave_stone-256.png",
-    "floor": "assets/floor_tile_test-256.png",
-    "ceiling": "assets/ceiling_test-256.png",
-    "healing_potion_small": "assets/healing_potion_small-256.png",
-    "well_down": "assets/well_down-256.png",
-    "rope_vines_up": "assets/rope_vines_up-256.png",
-    "tripwire_trap": "assets/tripwire_trap-256.png",
-    "cinqueda": "assets/cinqueda_1-256.png",
-    "left_gui": "assets/left_gui.png",
-    "blood_splatter": "assets/blood_splatter-256.png",
-    "trash_button": "assets/trash_button.png",
-    "axe_ranger": "assets/axe_ranger-256.png",
-    "hairy_spider": "assets/hairy_spider-256.png",
-    "down_the_well": "assets/down_the_well.jpg",
-    "boss_fight_background": "assets/rat_king_boss_fight_background.jpg",
-    "devils_fingers_background": "assets/devils_fingers_background.jpg",
-    "devils_fingers_sprite": "assets/devils_fingers_sprite.png",
-    "devils_fingers_stage": "assets/devils_fingers_stage.png",
-    "tunnel_with_rocks": "assets/tunnel_with_rocks.png",
-    "tunnel_with_rocks_stage": "assets/tunnel_with_rocks_stage.png"
+    "gold_savior":
+    {"path": "assets/sprites/gold_savior.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "armored_knight":
+    {"path": "assets/sprites/armored_knight_1.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "axe_ranger":
+    {"path": "assets/sprites/axe_ranger.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "hairy_spider":
+    {"path": "assets/sprites/hairy_spider.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "rat_with_sword":
+    {"path": "assets/sprites/rat_with_sword.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "rat_king_boss":
+    {"path": "assets/bossfights/rat_king_2_frame_animation.png",
+      "frame_width": 720,
+      "frame_height": 720
+    },
+    "barrel_small":
+    {"path": "assets/items/wood_barrel_small.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "torch_pillar":
+    {"path": "assets/sprites/torch_pillar.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "torch_crappy":
+    {"path": "assets/items/torch_crappy.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "torch_horizontal_floor":
+    {"path": "assets/items/torch_horizontal_floor.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "peasant_girl":
+    {"path": "assets/sprites/peasant_girl_2.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "grave_stone":
+    {"path": "assets/sprites/grave_stone.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "healing_potion_small":
+    {"path": "assets/items/healing_potion_small.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "well_down":
+    {"path": "assets/sprites/well_down.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "rope_vines_up":
+    {"path": "assets/sprites/rope_vines_up.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "tripwire_trap":
+    {"path": "assets/sprites/tripwire_trap.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "boss_fight_background":
+    {"path": "assets/bossfights/rat_king_boss_fight_background.jpg",
+      "frame_width": 1080,
+      "frame_height": 720
+    },
+    "devils_fingers_background":
+    {"path": "assets/bossfights/devils_fingers_background.jpg",
+      "frame_width": 1080,
+      "frame_height": 720
+    },
+    "devils_fingers_sprite":
+    {"path": "assets/bossfights/devils_fingers_sprite.png",
+      "frame_width": 720,
+      "frame_height": 720
+    },
+    "devils_fingers_stage":
+    {"path": "assets/bossfights/devils_fingers_stage.png",
+      "frame_width": 1080,
+      "frame_height": 720
+    },
+    "tunnel_with_rocks":
+    {"path": "assets/bossfights/tunnel_with_rocks.png",
+      "frame_width": 1080,
+      "frame_height": 720
+    },
+    "tunnel_with_rocks_stage":
+    {"path": "assets/bossfights/tunnel_with_rocks_stage.png",
+      "frame_width": 1080,
+      "frame_height": 720
+    },
+    "ritual_crafting_area":
+    {"path": "assets/ui/ritual_crafting_area.png",
+      "frame_width": 380,
+      "frame_height": 720
+    },
+    "full_screen_paper":
+    {"path": "assets/ui/full_screen_paper.png",
+      "frame_width": 1280,
+      "frame_height": 720
+    },
+    "broken_locket":
+    {"path": "assets/items/broken_locket.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "broken_pen_knife":
+    {"path": "assets/items/broken_pen_knife.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "broken_yoyo":
+    {"path": "assets/items/broken_yoyo.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "chess_pawn":
+    {"path": "assets/items/chess_pawn.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "dirty_kerchief":
+    {"path": "assets/items/dirty_kerchief.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "leather_pouch":
+    {"path": "assets/items/leather_pouch.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "mushroom":
+    {"path": "assets/items/mushroom.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "pocket_watch":
+    {"path": "assets/items/pocket_watch.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "rusty_nails":
+    {"path": "assets/items/rusty_nails.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "severed_finger":
+    {"path": "assets/items/severed_finger.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "stone_doll_cursed":
+    {"path": "assets/items/stone_doll_cursed.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "dubious_combination":
+    {"path": "assets/items/dubious_combination.png",
+      "frame_width": 256,
+      "frame_height": 256
+    }
   },
   "worldgen": {
-    "enemy_probability": 80,
-    "empty_room_probability": 10,
+    "enemy_probability": 50,
     "device_probability": 10
+  },
+  "graphics": {
+    "smooth_textures": false
+  },
+  "compass": {
+    "N": 65514,
+    "NE": 8663,
+    "E": 8594,
+    "SE": 8600,
+    "S": 65516,
+    "SW": 8665,
+    "W": 8592,
+    "NW": 8598
+  },
+  "theme": {
+    "black": [0, 0, 0, 255],
+    "dark_dark": [10, 10, 10, 255],
+    "dark_mid": [30, 30, 30, 255],
+    "dark_light": [60, 60, 60, 255],
+    "mid": [100, 100, 100, 255],
+    "light_dark": [150, 150, 150, 255],
+    "light_mid": [200, 200, 200, 255],
+    "light_light": [230, 230, 230, 255],
+    "white": [255, 255, 255, 255],
+    "padding": 3,
+    "border_px": 1,
+    "text_size": 20,
+    "label_size": 20,
+    "fill_color": "dark_mid",
+    "text_color": "light_light",
+    "bg_color": "mid",
+    "border_color": "dark_dark",
+    "bg_color_dark": "black",
+    "font_file_name": "assets/text.otf"
   }
 }

assets/devices.json

@@ -7,13 +7,13 @@
     "inventory_count": 0,
     "randomized": false,
     "components": [
-      {"_type": "Tile", "display": "\u2ac5",
+      {"_type": "Tile", "display": 10949,
         "foreground": [24, 205, 189],
         "background": [24, 205, 189]
       },
       {"_type": "Device",
-        "config": {"test": true},
-        "events": ["Events::GUI::STAIRS_DOWN"]},
+        "config": {},
+        "events": ["STAIRS_DOWN"]},
       {"_type": "Sprite", "name": "well_down", "width": 256, "height": 256, "scale": 1.0}
     ]
   },
@@ -24,13 +24,13 @@
     "inventory_count": 0,
     "placement": "fixed",
     "components": [
-      {"_type": "Tile", "display": "\u2259",
+      {"_type": "Tile", "display": 8793,
         "foreground": [24, 205, 189],
         "background": [24, 205, 189]
       },
       {"_type": "Device",
-        "config": {"test": true},
-        "events": ["Events::GUI::STAIRS_UP"]},
+        "config": {},
+        "events": ["STAIRS_UP"]},
       {"_type": "Sprite", "name": "rope_vines_up", "width": 256, "height": 256, "scale": 1.0}
     ]
   },
@@ -40,14 +40,40 @@
     "description": "Watch where you're going.",
     "inventory_count": 0,
     "components": [
-      {"_type": "Tile", "display": "\u1ac7",
+      {"_type": "Tile", "display": 95,
         "foreground": [24, 205, 189],
         "background": [24, 205, 189]
       },
-      {"_type": "Device",
-        "config": {"test": true},
-        "events": ["Events::GUI::TRAP"]},
+      {"_type": "Device", "config": {}, "events": ["TRAP"]},
       {"_type": "Sprite", "name": "tripwire_trap", "width": 256, "height": 256, "scale": 1.0}
     ]
+  },
+  "BARREL_SMALL": {
+    "id": "BARREL_SMALL",
+    "name": "Small Barrel",
+    "description": "A small rotten barrel that may hold things.",
+    "components": [
+      {"_type": "Tile", "display": 85,
+        "foreground": [150, 100, 189],
+        "background": [150, 100, 189]
+      },
+      {"_type": "Device", "config": {}, "events": ["LOOT_CONTAINER"]},
+      {"_type": "Sprite", "name": "barrel_small", "width": 256, "height": 256, "scale": 1.0},
+      {"_type": "Sound", "attack": "pickup", "death": "blank"}
+    ]
+  },
+  "GRAVE_STONE": {
+    "id": "GRAVE_STONE",
+    "name": "Grave Stone",
+    "description": "Something died here. Was this your doing?",
+    "components": [
+      {"_type": "Tile", "display": 8687,
+        "foreground": [32, 123, 164],
+        "background": [24, 205, 189]
+      },
+      {"_type": "Device", "config": {}, "events": ["LOOT_CONTAINER"]},
+      {"_type": "Sprite", "name": "grave_stone", "width": 256, "height": 256, "scale": 1.0},
+      {"_type": "Sound", "attack": "pickup", "death": "blank"}
+    ]
   }
 }

assets/enemies.json

@@ -2,24 +2,40 @@
   "PLAYER_TILE": {
     "placement": "fixed",
     "components": [
-      {"_type": "Tile", "display": "\ua66b",
+      {"_type": "Tile", "display": 41981,
         "foreground": [255, 200, 125],
-        "background": [30, 20, 75]
+        "background": [0,0,0]
       },
       {"_type": "Combat", "hp": 200, "max_hp": 200, "damage": 10, "dead": false},
       {"_type": "Motion", "dx": 0, "dy": 0, "random": false},
-      {"_type": "LightSource", "strength": 45, "radius": 2.0}
+      {"_type": "LightSource", "strength": 35, "radius": 2.0}
+    ]
+  },
+  "GOLD_SAVIOR": {
+    "components": [
+      {"_type": "Tile", "display": 42586,
+        "foreground": [131, 213, 238],
+        "background": [0,0,0]
+      },
+      {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 1, "dead": false},
+      {"_type": "Motion", "dx": 0, "dy": 0, "random": false},
+      {"_type": "EnemyConfig", "ai_script": "Enemy::actions", "ai_start_name": "Enemy::initial_state", "ai_goal_name": "Enemy::final_state"},
+      {"_type": "Personality", "hearing_distance": 5, "tough": false},
+      {"_type": "Animation", "easing": 1, "ease_rate": 0.2,  "scale": 0.1, "simple": true, "frames": 10, "speed": 0.3, "stationary": false},
+      {"_type": "Sprite", "name": "gold_savior", "width": 256, "height": 256, "width": 256, "height": 256, "scale": 1.0},
+      {"_type": "Sound", "attack": "Sword_Hit_2", "death": "Humanoid_Death_1"}
     ]
   },
   "KNIGHT": {
     "components": [
-      {"_type": "Tile", "display": "\u088d",
+      {"_type": "Tile", "display": 2189,
         "foreground": [131, 213, 238],
-        "background": [30, 20, 75]
+        "background": [0,0,0]
       },
       {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 1, "dead": false},
       {"_type": "Motion", "dx": 0, "dy": 0, "random": false},
-      {"_type": "EnemyConfig", "hearing_distance": 5},
+      {"_type": "EnemyConfig", "ai_script": "Enemy::actions", "ai_start_name": "Enemy::initial_state", "ai_goal_name": "Enemy::final_state"},
+      {"_type": "Personality", "hearing_distance": 5, "tough": true},
       {"_type": "Animation", "easing": 1, "ease_rate": 0.2,  "scale": 0.1, "simple": true, "frames": 10, "speed": 0.3, "stationary": false},
       {"_type": "Sprite", "name": "armored_knight", "width": 256, "height": 256, "width": 256, "height": 256, "scale": 1.0},
       {"_type": "Sound", "attack": "Sword_Hit_2", "death": "Humanoid_Death_1"}
@@ -27,41 +43,44 @@
   },
   "AXE_RANGER": {
     "components": [
-      {"_type": "Tile", "display": "\u076a",
+      {"_type": "Tile", "display": 1898,
         "foreground": [156, 172, 197],
-        "background": [30, 20, 75]
+        "background": [0,0,0]
       },
       {"_type": "Combat", "hp": 40, "max_hp": 40, "damage": 10, "dead": false},
       {"_type": "Motion", "dx": 0, "dy": 0, "random": true},
-      {"_type": "EnemyConfig", "hearing_distance": 5},
+      {"_type": "EnemyConfig", "ai_script": "Enemy::actions", "ai_start_name": "Enemy::initial_state", "ai_goal_name": "Enemy::final_state"},
+      {"_type": "Personality", "hearing_distance": 5, "tough": true},
       {"_type": "Sprite", "name": "axe_ranger", "width": 256, "height": 256, "scale": 1.0},
-      {"_type": "Animation", "easing": 3, "ease_rate": 0.5,  "scale": 0.1, "simple": false, "frames": 2, "speed": 0.6, "stationary": false},
+      {"_type": "Animation", "easing": 3, "ease_rate": 0.5,  "scale": 0.1, "simple": true, "frames": 1, "speed": 0.6, "stationary": false},
       {"_type": "Sound", "attack": "Sword_Hit_2", "death": "Ranger_1"}
     ]
   },
   "RAT_GIANT": {
     "components": [
-      {"_type": "Tile", "display": "\u08ac",
+      {"_type": "Tile", "display": 2220,
         "foreground": [205, 164, 246],
-        "background": [30, 20, 75]
+        "background": [0,0,0]
       },
-      {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 20, "dead": false},
+      {"_type": "Combat", "hp": 50, "max_hp": 50, "damage": 2, "dead": false},
       {"_type": "Motion", "dx": 0, "dy": 0, "random": false},
-      {"_type": "EnemyConfig", "hearing_distance": 10},
-      {"_type": "Animation", "easing": 3, "ease_rate": 0.5,  "scale": 0.1, "simple": true, "frames": 10, "speed": 1.0, "stationary": false},
+      {"_type": "EnemyConfig", "ai_script": "Enemy::actions", "ai_start_name": "Enemy::initial_state", "ai_goal_name": "Enemy::final_state"},
+      {"_type": "Personality", "hearing_distance": 5, "tough": false},
+      {"_type": "Animation", "easing": 3, "ease_rate": 0.5,  "scale": 0.1, "simple": true, "frames": 1, "speed": 1.0, "stationary": false},
       {"_type": "Sprite", "name": "rat_with_sword", "width": 256, "height": 256, "scale": 1.0},
       {"_type": "Sound", "attack": "Small_Rat", "death": "Creature_Death_1"}
     ]
   },
   "SPIDER_GIANT_HAIRY": {
     "components": [
-      {"_type": "Tile", "display": "\u08ea",
+      {"_type": "Tile", "display": 1218,
         "foreground": [205, 164, 246],
-        "background": [30, 20, 75]
+        "background": [0,0,0]
       },
       {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 20, "dead": false},
       {"_type": "Motion", "dx": 0, "dy": 0, "random": false},
-      {"_type": "EnemyConfig", "hearing_distance": 10},
+      {"_type": "EnemyConfig", "ai_script": "Enemy::actions", "ai_start_name": "Enemy::initial_state", "ai_goal_name": "Enemy::final_state"},
+      {"_type": "Personality", "hearing_distance": 5, "tough": true},
       {"_type": "Animation", "easing": 2, "ease_rate": 0.5,  "scale": 0.1, "simple": true, "frames": 10, "speed": 1.0, "stationary": false},
       {"_type": "Sprite", "name": "hairy_spider", "width": 256, "height": 256, "scale": 1.0},
       {"_type": "Sound", "attack": "Spider_1", "death": "Spider_2"}

assets/items.json

@@ -6,87 +6,27 @@
     "inventory_count": 1,
     "components": [
       {"_type": "LightSource", "strength": 50, "radius": 2.5},
-      {"_type": "Tile", "display": "\u0f08",
+      {"_type": "Tile", "display": 3848,
         "foreground": [24, 120, 189],
-        "background": [230,120, 120]
+        "background": [0,0,0]
       },
       {"_type": "Sprite", "name": "torch_horizontal_floor", "width": 256, "height": 256, "scale": 1.0},
       {"_type": "Sound", "attack": "pickup", "death": "blank"}
     ]
   },
-  "SWORD_RUSTY": {
-    "id": "SWORD_RUSTY",
-    "name": "Rusty Junk Sword",
-    "description": "A sword left to rot in a deep hole where it acquired a patina of dirt and tetanus. You aren't sure if it's more deadly for you to hold it or for the people you stab with it.",
-    "inventory_count": 1,
-    "components": [
-      {"_type": "Weapon", "damage": 15},
-      {"_type": "Tile", "display": "\u1e37",
-        "foreground": [24, 120, 189],
-        "background": [24, 120, 189]
-      },
-      {"_type": "Sprite", "name": "cinqueda", "width": 256, "height": 256, "scale": 1.0},
-      {"_type": "Sound", "attack": "pickup", "death": "blank"}
-    ]
-  },
-  "BARREL_SMALL": {
-    "id": "BARREL_SMALL",
-    "name": "Small Barrel",
-    "description": "A small rotten barrel that may hold things.",
-    "components": [
-      {"_type": "Tile", "display": "\uaaea",
-        "foreground": [150, 100, 189],
-        "background": [150, 100, 189]
-      },
-      {"_type": "Loot", "amount": 10},
-      {"_type": "Sprite", "name": "barrel_small", "width": 256, "height": 256, "scale": 1.0},
-      {"_type": "Sound", "attack": "pickup", "death": "blank"}
-    ],
-    "inventory_count": 1
-  },
-  "TORCH_PILLAR": {
-    "id": "TORCH_PILLAR",
-    "name": "Light Hanging from Ceiling",
-    "description": "Light Hanging from Ceiling",
-    "inventory_count": 0,
-    "components": [
-      {"_type": "Tile", "display": "\u077e",
-        "foreground": [24, 205, 210],
-        "background": [24, 205, 210]
-      },
-      {"_type": "LightSource", "strength": 50, "radius": 2.8},
-      {"_type": "Sprite", "name": "torch_pillar", "width": 256, "height": 256, "scale": 1.0},
-      {"_type": "Sound", "attack": "pickup", "death": "blank"}
-    ]
-  },
   "POTION_HEALING_SMALL": {
     "id": "POTION_HEALING_SMALL",
     "name": "Small Healing Potion",
     "description": "A small healing potion.",
     "inventory_count": 1,
     "components": [
-      {"_type": "Tile", "display": "\u03eb",
+      {"_type": "Tile", "display": 1003,
         "foreground": [255, 205, 189],
-        "background": [255, 205, 189]
+        "background": [0,0,0]
       },
       {"_type": "Curative", "hp": 20},
       {"_type": "Sprite", "name": "healing_potion_small", "width": 256, "height": 256, "scale": 1.0},
       {"_type": "Sound", "attack": "pickup", "death": "blank"}
     ]
-  },
-  "GRAVE_STONE": {
-    "id": "GRAVE_STONE",
-    "name": "Grave Stone",
-    "description": "Something died here. Was this your doing?",
-    "inventory_count": 1,
-    "components": [
-      {"_type": "Tile", "display": "\u21ef",
-        "foreground": [32, 123, 164],
-        "background": [24, 205, 189]
-      },
-      {"_type": "Loot", "amount": 10},
-      {"_type": "Sprite", "name": "grave_stone", "width": 256, "height": 256, "scale": 1.0},
-      {"_type": "Sound", "attack": "pickup", "death": "blank"}
-    ]
   }
 }

assets/map_tiles.json

@@ -0,0 +1,128 @@
+[
+    {
+        "centered": false,
+        "display": 35,
+        "x": 0,
+        "y": 0
+    },
+    {
+        "centered": false,
+        "display": 8284,
+        "x": 64,
+        "y": 0
+    },
+    {
+        "centered": false,
+        "display": 11590,
+        "x": 128,
+        "y": 0
+    },
+    {
+        "centered": false,
+        "display": 10899,
+        "x": 192,
+        "y": 0
+    },
+    {
+        "centered": false,
+        "display": 9256,
+        "x": 256,
+        "y": 0
+    },
+    {
+        "centered": false,
+        "display": 9608,
+        "x": 320,
+        "y": 0
+    },
+    {
+        "centered": false,
+        "display": 10747,
+        "x": 384,
+        "y": 0
+    },
+    {
+        "centered": false,
+        "display": 8285,
+        "x": 448,
+        "y": 0
+    },
+    {
+        "centered": true,
+        "display": 1003,
+        "x": 512,
+        "y": 0
+    },
+    {
+        "centered": true,
+        "display": 3848,
+        "x": 576,
+        "y": 0
+    },
+    {
+        "centered": true,
+        "display": 85,
+        "x": 0,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 8687,
+        "x": 64,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 10949,
+        "x": 128,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 8793,
+        "x": 192,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 95,
+        "x": 256,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 1898,
+        "x": 320,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 42586,
+        "x": 384,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 2189,
+        "x": 448,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 41981,
+        "x": 512,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 2220,
+        "x": 576,
+        "y": 64
+    },
+    {
+        "centered": true,
+        "display": 1218,
+        "x": 0,
+        "y": 128
+    }
+]

assets/rituals.json

@@ -0,0 +1,202 @@
+{
+  "profile": {
+    "has_spikes": 0,
+    "has_magick": 1,
+    "shiny_bauble": 2,
+    "cursed_item": 3,
+    "$does_physical": 4,
+    "$does_magick": 5,
+    "$does_damage": 6,
+    "$user_cursed": 7,
+    "$does_healing": 8,
+    "$damage_boost": 9,
+    "$large_boost": 10,
+    "$is_complete": 11
+  },
+  "actions": [
+    {
+      "name": "pierce_type",
+      "cost": 100,
+      "needs": {
+        "has_spikes": true,
+        "$is_complete": false
+      },
+      "effects": {
+        "$does_physical": true,
+        "$does_damage": true
+      }
+    },
+    {
+      "name": "magick_type",
+      "cost": 100,
+      "needs": {
+        "$is_complete": false,
+        "has_magick": true
+      },
+      "effects": {
+        "$does_magick": true,
+        "$does_damage": true
+      }
+    },
+    {
+      "name": "combined",
+      "cost": 0,
+      "needs": {
+        "$does_damage": true
+      },
+      "effects": {
+        "$is_complete": true
+      }
+    },
+    {
+      "name": "boost_magick",
+      "cost": 0,
+      "needs": {
+        "shiny_bauble": true,
+        "$does_magick": true,
+        "$does_damage": true,
+        "$is_complete": false,
+        "$user_cursed": false
+      },
+      "effects": {
+        "$damage_boost": true
+      }
+    },
+    {
+      "name": "boost_damage_large",
+      "cost": 0,
+      "needs": {
+        "$user_cursed": true,
+        "$is_complete": false,
+        "$does_damage": true
+      },
+      "effects": {
+        "$large_boost": true
+      }
+    },
+    {
+      "name": "curses_user",
+      "cost": 1000,
+      "needs": {
+        "$is_complete": false,
+        "cursed_item": true
+      },
+      "effects": {
+        "$user_cursed": true
+      }
+    },
+    {
+      "name": "heals_user",
+      "cost": 0,
+      "needs": {
+        "cursed_item": true,
+        "$does_damage": false
+      },
+      "effects": {
+        "$does_healing": true,
+        "$is_complete": true
+      }
+    }
+  ],
+  "states": {
+    "initial": {
+      "shiny_bauble": false,
+      "cursed_item": false,
+      "has_spikes": false,
+      "has_magick": false,
+      "$user_cursed": false,
+      "$does_damage": false,
+      "$is_complete": false,
+      "$does_healing": false,
+      "$does_magick": false,
+      "$does_physical": false,
+      "$large_boost": false,
+      "$damage_boost": false
+    },
+    "final": {
+      "$user_cursed": true,
+      "$does_damage": true,
+      "$is_complete": true,
+      "$does_healing": true,
+      "$does_magick": true,
+      "$does_physical": true,
+      "$large_boost": true,
+      "$damage_boost": true
+    }
+  },
+  "scripts": {
+    "actions": [
+      "boost_magick",
+      "pierce_type",
+      "magick_type",
+      "heals_user",
+      "curses_user",
+      "boost_damage_large",
+      "combined"
+    ]
+  },
+  "effects": {
+    "boost_magick": {
+      "damage": 10,
+      "kind": 2,
+      "element": 2,
+      "probability": 1.0
+    },
+    "pierce_type": {
+      "damage": 11,
+      "kind": 1,
+      "probability": 1.0
+    },
+    "magick_type": {
+      "damage": 12,
+      "kind": 2,
+      "element": 1,
+      "probability": 1.0
+    },
+    "heals_user": {
+      "damage": 13,
+      "probability": 1.0
+    },
+    "curses_user": {
+      "damage": 14,
+      "probability": 0.5
+    },
+    "boost_damage_large": {
+      "damage": 15,
+      "probability": 1.0
+    },
+    "combined": {
+      "damage": 16,
+      "probability": 1.0
+    }
+  },
+  "junk": {
+    "chess_pawn": {
+      "name": "chess_pawn",
+      "provides": ["cursed_item"]
+    },
+   "dirty_kerchief": {
+      "name": "dirty_kerchief",
+      "provides": ["has_magick"]
+    },
+   "mushroom": {
+      "name": "mushroom",
+      "provides": ["has_magick"]
+    },
+    "pocket_watch": {
+      "name": "pocket_watch",
+      "provides": ["shiny_bauble"]
+    },
+    "rusty_nails": {
+      "name": "rusty_nails",
+      "provides": ["has_spikes"]
+    },
+    "severed_finger": {
+      "name": "severed_finger",
+      "provides": ["cursed_item"]
+    }
+  },
+  "starting_junk": [
+     "pocket_watch", "mushroom", "rusty_nails"
+  ]
+}

assets/shaders.json

@@ -0,0 +1,22 @@
+{
+  "ui_shader": {
+    "file_name": "assets/shaders/ui_shader.frag",
+    "type": "fragment"
+  },
+  "ERROR": {
+    "file_name": "assets/shaders/ui_error.frag",
+    "type": "fragment"
+  },
+  "rayview_sprites": {
+    "file_name": "assets/shaders/rayview_sprites.frag",
+    "type": "fragment"
+  },
+  "flame": {
+    "file_name": "assets/shaders/flame_trash.frag",
+    "type": "fragment"
+  },
+  "lightning": {
+    "file_name": "assets/shaders/lightning_attack.frag",
+    "type": "fragment"
+  }
+}

assets/shaders/flame_trash.frag

@@ -0,0 +1,79 @@
+#version 120
+uniform vec2 u_resolution;
+uniform float u_time;
+uniform sampler2D source;
+uniform float u_mouse;
+uniform float value = 0.2;
+uniform int octaves=8;
+
+float random (in vec2 st) {
+    return fract(sin(dot(st.xy,
+                         vec2(12.9898,78.233)))*
+        43758.5453123);
+}
+
+float noise(in vec2 st) {
+  vec2 i = floor(st);
+  vec2 f = fract(st);
+
+  float a = random(i);
+  float b = random(i + vec2(1.0, 0.0));
+  float c = random(i + vec2(0.0, 1.0));
+  float d = random(i + vec2(1.0, 1.0));
+
+  vec2 u = f * f * (3.0 - 2.0 * f);
+
+  return mix(a, b, u.x) +
+    (c - a) * u.y * (1.0 - u.x) +
+    (d - b) * u.x * u.y;
+}
+
+float fbm(in vec2 st) {
+  float v = 0.0;
+  float a = 0.5;
+  vec2 shift = vec2(100.0);
+  mat2 rot = mat2(cos(0.5), sin(0.5),
+      -sin(0.5), cos(0.5));
+
+  for(int i = 0; i < octaves; i++) {
+    v += a * noise(st);
+    st = rot * st * 2.0 + shift;
+    a *= 0.5;
+  }
+
+  return v;
+}
+
+void main() {
+  vec2 st = gl_FragCoord.xy/u_resolution.xy * 3.0;
+  vec3 color = vec3(0.0);
+
+  float speed = u_time * 10.0;
+  float value = 0.8; // cos(u_time) * cos(u_time);
+
+  vec2 q = vec2(0.0);
+  q.x = fbm(st + 0.00 * speed);
+  q.y = fbm(st + vec2(1.0));
+
+  vec2 r = vec2(0,0);
+  r.x += fbm( st + 1.0*q + vec2(1.0, 0.0)+ 0.15* speed );
+  r.y += fbm( st + 1.0*q + vec2(-1.0, 0.0)+ 0.126* speed);
+
+  float f = fbm(st * r);
+
+  color = mix(vec3(0.666667,0.619608, 0.122777),
+                vec3(0.666667,0.666667,0.498039),
+                clamp((f*f)*4.0,0.0,1.0));
+
+  color = mix(color,
+       vec3(0.666667, 0.122222, 0.0666667),
+       clamp(length(r.x), 0.0, 1.0));
+
+  color *= (f*f*f+0.5*f*f+0.6*f) * value;
+
+  vec4 pixel = texture2D(source, gl_TexCoord[0].xy);
+
+  float mask = color.r * pixel.a;
+
+  gl_FragColor = gl_Color * vec4(color, mask) + pixel;
+}