Added Source code and assets

.gitignore

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+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+*.elf
+*.elfbin
+*.gba
+
+# Save files from emulator
+*.sav
+
+/build
+/.vscode
+/compile_and_run.bat
+/tools/TiledMapObjectsToCppHeader/TiledMapObjectsToCppHeader/.vs
+/tools/TiledMapObjectsToCppHeader/TiledMapObjectsToCppHeader/TiledMapObjectsToCppHeader/bin
+/tools/TiledMapObjectsToCppHeader/TiledMapObjectsToCppHeader/TiledMapObjectsToCppHeader/obj
+/make_clean.bat
+/generate_mapinfos.bat
+/tools/BitmapConverter/BitmapConverter/bin
+/tools/BitmapConverter/BitmapConverter/obj
+/gba_dev_jam_2021.ss1

Credits.txt

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+Credits:
+
+This game is made with Butano Engine: https://github.com/GValiente/butano
+
+Programming:
+
+fixx
+
+Graphics:
+
+missingfox, fixx
+
+8x8 font created at Sparklin Labs by Pixel-boy: https://github.com/sparklinlabs/superpowers-asset-packs/blob/master/western-fps-2d/font-8x8.png
+
+Sound:
+
+fixx
+
+hero_attacked.wav sound by InspectorJ(freesound.org)
+
+Music:
+
+sadness music by THE IMPALER: https://modarchive.org/index.php?request=view_by_moduleid&query=167374
+
+forgottenone music vy Zilly Mike https://modarchive.org/index.php?request=view_by_moduleid&query=43235
+
+easter music by anonymous author from https://www.mutopiaproject.org/cgibin/piece-info.cgi?id=442
+
+absolu music by m0d https://modarchive.org/index.php?request=view_by_moduleid&query=32703
+
+

Makefile

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+#---------------------------------------------------------------------------------------------------------------------
+# TARGET is the name of the output.
+# BUILD is the directory where object files & intermediate files will be placed.
+# LIBBUTANO is the main directory of butano library (https://github.com/GValiente/butano).
+# PYTHON is the path to the python interpreter.
+# SOURCES is a list of directories containing source code.
+# INCLUDES is a list of directories containing extra header files.
+# DATA is a list of directories containing binary data.
+# GRAPHICS is a list of directories containing files to be processed by grit.
+# AUDIO is a list of directories containing files to be processed by mmutil.
+# ROMTITLE is a uppercase ASCII, max 12 characters text string containing the output ROM title.
+# ROMCODE is a uppercase ASCII, max 4 characters text string containing the output ROM code.
+# USERFLAGS is a list of additional compiler flags:
+#     Pass -flto to enable link-time optimization.
+#     Pass -O0 to improve debugging.
+#
+# All directories are specified relative to the project directory where the makefile is found.
+#---------------------------------------------------------------------------------------------------------------------
+TARGET      :=  $(notdir $(CURDIR))
+BUILD       :=  build
+LIBBUTANO   :=  ../../butano
+PYTHON      :=  python
+SOURCES     :=  src src/game_objects
+INCLUDES    :=  include include/game_objects
+DATA        :=
+GRAPHICS    :=  graphics
+AUDIO       :=  audio
+ROMTITLE    :=  ROM TITLE
+ROMCODE     :=  SBTP
+USERFLAGS   := -DBN_CFG_MEMORY_MAX_EWRAM_ALLOC_ITEMS=32
+#USERFLAGS   := -DBN_CFG_ASSERT_ENABLED=false -flto
+EXTTOOL     :=
+
+#---------------------------------------------------------------------------------------------------------------------
+# Export absolute butano path:
+#---------------------------------------------------------------------------------------------------------------------
+ifndef LIBBUTANOABS
+	export LIBBUTANOABS	:=	$(realpath $(LIBBUTANO))
+endif
+
+
+
+#---------------------------------------------------------------------------------------------------------------------
+# Include main makefile:
+#---------------------------------------------------------------------------------------------------------------------
+include $(LIBBUTANOABS)/butano.mak

graphics/bat.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/blob.json

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+{
+    "type": "sprite",
+	"height": 8
+}

graphics/blocking_log.json

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+{
+    "type": "sprite",
+	"height": 16
+}

graphics/blood_splash.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/broken_bridge.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/builder.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/bullet.json

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+{
+    "type": "sprite",
+	"height": 8
+}

graphics/chest.json

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+{
+    "type": "sprite",
+	"height": 16
+}

graphics/cursor.json

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+{
+    "type": "sprite",
+	"height": 8
+}

graphics/fireball.json

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+{
+    "type": "sprite",
+	"height": 16
+}

graphics/gbajam_splash.json

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+{
+    "type": "regular_bg"
+}

graphics/heart.json

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+{
+    "type": "sprite",
+	"height": 8
+}

graphics/hero.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/hero_door_open.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/indoor.json

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+{
+    "type": "regular_bg"
+}

graphics/knight.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/lumberjack.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/overworld.json

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+{
+    "type": "regular_bg"
+}

graphics/shadow_small.json

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+{
+    "type": "sprite",
+	"height": 8
+}

graphics/smoke_explosion.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/smoke_explosion_small.json

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+{
+    "type": "sprite",
+	"height": 16
+}

graphics/textbox.json

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+{
+    "type": "regular_bg"
+}

graphics/title.json

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+{
+    "type": "regular_bg"
+}

graphics/tree_boss.json

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+{
+    "type": "sprite",
+	"height": 32
+}

graphics/tree_boss_minion.json

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+{
+    "type": "sprite",
+	"height": 16
+}

graphics/variable_8x8_font.json

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+{
+    "type": "sprite",
+	"height": 8
+}

graphics/wood.json

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+{
+    "type": "sprite",
+	"height": 16
+}

graphics/woodboss.json

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+{
+    "type": "sprite",
+	"height": 32
+}

include/definitions.h

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+#ifndef DEFINITIONS_H
+#define DEFINITIONS_H
+
+enum class Def{
+null,
+bat,
+knight,
+chest,
+tree_boss_minion,
+heart,
+heart_container,
+hero_house_indoor,
+overworld,
+hero_house,
+hero_house_upstairs,
+indoor,
+hero_house_downstairs,
+cave_left,
+hero_house_cave,
+cave_bottom,
+cave,
+hero_house_downstairs2,
+hero_house_upstairs2,
+chest_cave,
+cave2,
+lumberjack_house,
+builder_house,
+coins5,
+chest2,
+coins10,
+bed,
+lumberjack,
+chest_lumberjach_house,
+wood,
+builder,
+tree_boss,
+blocking_log,
+blocking_log_vertical,
+woodmimic,
+broken_bridge
+};
+#endif

include/game_objects/gt_game_object.h

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+#ifndef GT_GAME_OBJECT_H
+#define GT_GAME_OBJECT_H
+
+#include "bn_fixed_point.h"
+#include "bn_optional.h"
+#include "bn_fixed_rect.h"
+#include "definitions.h"
+
+
+namespace gt
+{
+
+    class game_object
+    {
+        public:
+            virtual ~game_object() = default;
+            virtual void update();
+            virtual bn::optional<bn::fixed_point> get_pos();
+            virtual bn::optional<bn::fixed_rect> get_collision_rect();
+            virtual void do_damage(int amount);
+            virtual void interact();
+            bool is_destroyed();
+            void destroy();
+            void mark_as_destroyed();
+            bool check_map_collision(bn::fixed_point pos);
+            bool intersects(game_object *other);
+            bool is_interactive();
+            bool intersects(const bn::fixed_point &pos);
+            virtual Def type();
+
+        protected:
+            game_object() = default;
+            bn::optional<bn::fixed_rect> _local_collision_rect;
+            bool _is_interactive = false;
+
+        private:
+            bool _is_destroyed = false;
+    };
+}
+
+#endif

include/game_objects/gt_go_bat.h

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+#ifndef GT_GO_BAT_H
+#define GT_GO_BAT_H
+
+#include "bn_sprite_ptr.h"
+#include "bn_sprite_actions.h"
+#include "bn_sprite_animate_actions.h"
+#include "bn_core.h"
+#include "bn_fixed_point.h"
+#include "gt_game_object.h"
+#include "gt_go_enemy.h"
+
+
+namespace gt
+{
+    class go_bat : public go_enemy
+    {
+        public:
+            go_bat(const bn::camera_ptr& camera);
+            virtual void update() override;
+            virtual bn::optional<bn::fixed_point> get_pos() override;
+            virtual void do_damage(int amount) override;
+            void set_pos(bn::fixed_point pos);
+        protected:
+            virtual void _die() override;
+        private:
+            enum class Movestate
+            {
+                CIRCLES,
+                ATTACK,
+                FLEE
+            };
+            void update_circles();
+            void update_hero_collision();
+            void update_attack();
+            bn::sprite_ptr _sprite;
+            bn::fixed_point _velocity;
+            bn::sprite_animate_action<6> _action;
+            bn::fixed _fly_angle;
+            bool _fly_direction;
+            uint16_t _fly_time;
+            Movestate _state;
+            uint8_t _blinkframes;
+    };
+
+}
+
+#endif