Doom Nano Brutality integration

.gitignore

@@ -1,3 +1,4 @@
-.vscode
 bin
-lib
+raylib
+doom_pico*
+.vscode

Makefile

@@ -2,39 +2,51 @@ TARGET_EXEC := doom_pico
 
 CC := gcc
 RM := rm -rf
+MKDIR := mkdir -p
 
 SRC_DIR := src
 INC_DIR := inc
-LIB_DIR := lib
 BIN_DIR := bin
+RAYLIB_DIR := raylib
 
-SRCS := $(shell find $(SRC_DIR) -name '*.c' -or -name '*.s')
-OBJS := $(SRCS:%=$(BIN_DIR)/%.o)
+SRCS := $(shell find $(SRC_DIR) -name "*.c")
+OBJS := $(patsubst $(SRC_DIR)/%,$(BIN_DIR)/%.o,$(SRCS))
 DEPS := $(OBJS:.o=.d)
 
-CFLAGS := -Iinc -Ilib -MMD -MP -g
+CFLAGS := -I$(INC_DIR) -MMD -MP -g
 LDFLAGS := -lm
 
 ifeq ($(USE_RAYLIB), 1)
-	CFLAGS += -DUSE_RAYLIB
-	LDFLAGS += -lraylib
+    CFLAGS += -I$(RAYLIB_DIR)/include -DUSE_RAYLIB
+    LDFLAGS += -L$(RAYLIB_DIR)/lib -lraylib
+    ifeq ($(OS), Windows_NT)
+        LDFLAGS += -lopengl32 -lgdi32 -lwinmm
+    else ifeq ($(shell uname -s), Linux)
+        LDFLAGS += -lGL -lpthread -ldl -lrt -lX11
+    else
+        $(error Platform $(OS) currently not supported for make "run" target)
+    endif
 endif
 
-$(BIN_DIR)/$(TARGET_EXEC): $(OBJS)
+$(TARGET_EXEC): $(OBJS)
 	$(CC) $(OBJS) -o $@ $(LDFLAGS)
 
-$(BIN_DIR)/%.c.o: %.c
-	mkdir -p $(dir $@)
+$(BIN_DIR)/%.c.o: $(SRC_DIR)/%.c
+	$(MKDIR) $(dir $@)
 	$(CC) $(CFLAGS) -c $< -o $@
 
+$(RAYLIB_DIR):
+	./install_raylib.sh
+
 .PHONY: run
-run:
-	$(MAKE) clean
+run: $(RAYLIB_DIR)
 	$(MAKE) USE_RAYLIB=1
-	./$(BIN_DIR)/$(TARGET_EXEC)
+	./$(TARGET_EXEC)
 
 .PHONY: clean
 clean:
+ifneq (,$(wildcard $(BIN_DIR)))
 	$(RM) $(BIN_DIR)
+endif
 
 -include $(DEPS)

inc/constants.h

@@ -21,50 +21,81 @@
  * precision taking care of keep numbers inside the type range.
  * Max is 256 / MAX_RENDER_DEPTH */
 #define DISTANCE_MULTIPLIER 20
-#define MAX_RENDER_DEPTH 12
-#define MAX_SPRITE_DEPTH 8
+#define MAX_RENDER_DEPTH    12
+#define MAX_SPRITE_DEPTH    8
+
+/* Faster rendering of vertical lines */
+#define OPTIMIZE_RAYCASTING 1
+
+/* Depth buffer for sprites */
+#define ZBUFFER_SIZE ((SCREEN_WIDTH / Z_RES_DIVIDER) + 4)
 
 /* Display */
-#define SCREEN_WIDTH 128
+#define SCREEN_WIDTH  128
 #define SCREEN_HEIGHT 64
-#define HALF_WIDTH (SCREEN_WIDTH / 2)
-#define HALF_HEIGHT (SCREEN_HEIGHT / 2)
-#define RENDER_HEIGHT 58 // Raycaster working height
-#define HUD_HEIGHT 6     // HUD working height
+#define RENDER_HEIGHT 58
+#define HUD_HEIGHT    6
 
-/* Level */
-#define LEVEL_WIDTH_BASE 6
-#define LEVEL_WIDTH (1 << LEVEL_WIDTH_BASE)
-#define LEVEL_HEIGHT 57
-#define LEVEL_SIZE (LEVEL_WIDTH / 2 * LEVEL_HEIGHT)
+/* Display colors */
+#define COLOR_BLACK 0
+#define COLOR_WHITE 1
 
 /* Game */
 #define GUN_TARGET_POS 18
-#define GUN_SHOT_POS (GUN_TARGET_POS + 4)
-
-#define ROT_SPEED 0.12f
-#define MOV_SPEED 0.2f
-#define MOV_SPEED_INV (1.0f / MOV_SPEED)
-
-#define JOGGING_SPEED 0.005f
-#define ENEMY_SPEED 0.02f
-#define FIREBALL_SPEED 0.2f
-#define FIREBALL_ANGLES 45 // Num of angles per PI
-
-#define MAX_ENTITIES 10        // Max num of active entities
-#define MAX_STATIC_ENTITIES 28 // Max num of entities in sleep mode
-
-#define MAX_ENTITY_DISTANCE 200  // * DISTANCE_MULTIPLIER
-#define MAX_ENEMY_VIEW 80        // * DISTANCE_MULTIPLIER
-#define ITEM_COLLIDER_DIST 6     // * DISTANCE_MULTIPLIER
-#define ENEMY_COLLIDER_DIST 4    // * DISTANCE_MULTIPLIER
-#define FIREBALL_COLLIDER_DIST 2 // * DISTANCE_MULTIPLIER
-#define ENEMY_MELEE_DIST 6       // * DISTANCE_MULTIPLIER
-#define WALL_COLLIDER_DIST 0.2f
-
-#define ENEMY_MELEE_DAMAGE 8
-#define ENEMY_FIREBALL_DAMAGE 20
-#define GUN_MAX_DAMAGE 15
+#define GUN_SHOT_POS   (GUN_TARGET_POS + 8)
+
+#define ROT_SPEED       0.05f
+#define MOV_SPEED       0.1f
+#define GUN_SPEED       2.5f
+#define JOGGING_SPEED   0.005f
+#define ENEMY_SPEED     0.04f
+#define FIREBALL_SPEED  0.2f
+#define FIREBALL_ANGLES 45.0f
+
+#define MAX_ENTITIES           12
+#define MAX_STATIC_ENTITIES    24
+#define MAX_ENTITY_DISTANCE    200
+#define MAX_ENEMY_VIEW         90
+#define ITEM_COLLIDER_DIST     6
+#define ENEMY_COLLIDER_DIST    4
+#define FIREBALL_COLLIDER_DIST 3
+#define ENEMY_MELEE_DIST       9
+#define WALL_COLLIDER_DIST     0.2f
+
+#define ENEMY_MELEE_DAMAGE_EASY      20
+#define ENEMY_MELEE_DAMAGE_NORMAL    30
+#define ENEMY_MELEE_DAMAGE_HARD      40
+#define ENEMY_MELEE_DAMAGE_VERY_HARD 50
+
+#define ENEMY_FIREBALL_DAMAGE_EASY      25
+#define ENEMY_FIREBALL_DAMAGE_NORMAL    40
+#define ENEMY_FIREBALL_DAMAGE_HARD      60
+#define ENEMY_FIREBALL_DAMAGE_VERY_HARD 80
+
+#define GUN_MAX_DAMAGE_EASY      80
+#define GUN_MAX_DAMAGE_NORMAL    60
+#define GUN_MAX_DAMAGE_HARD      40
+#define GUN_MAX_DAMAGE_VERY_HARD 20
+
+#define PLAYER_MAX_HEALTH     100
+#define MEDKIT_HEAL_EASY      100
+#define MEDKIT_HEAL_NORMAL    80
+#define MEDKIT_HEAL_HARD      50
+#define MEDKIT_HEAL_VERY_HARD 30
+
+#define PLAYER_MAX_AMMO       255
+#define AMMO_PICKUP_EASY      13
+#define AMMO_PICKUP_NORMAL    10
+#define AMMO_PICKUP_HARD      9
+#define AMMO_PICKUP_VERY_HARD 5
+
+#define ENEMY_KILL_GOAL1 20
+#define ENEMY_KILL_GOAL2 8
+
+#define SCORE_SECRET_ENDING 200
+
+/* Settings */
+#define BUTTON_PRESS_WAIT 200
 
 #endif /* CONSTANTS_H */
 

inc/display.h

@@ -12,8 +12,6 @@
 
 /* Definitions -------------------------------------------------------------- */
 
-#define OPTIMIZE_DISPLAY
-#define ZBUFFER_SIZE (SCREEN_WIDTH / Z_RES_DIVIDER)
 #define DISPLAY_BUF_SIZE (SCREEN_WIDTH * ((SCREEN_HEIGHT + 7) / 8))
 
 /* Function prototypes ------------------------------------------------------ */
@@ -163,7 +161,7 @@ void display_draw_vline(uint8_t x, int8_t start_y, int8_t end_y, uint8_t i);
  * @param color  Color value
  */
 void display_draw_bitmap(int16_t x, int16_t y, const uint8_t bitmap[],
-                         int16_t w, int16_t h, uint16_t color);
+                         int16_t w, int16_t h, bool color);
 
 /**
  * @brief DISPLAY draw sprite to display buffer.

inc/entities.h

@@ -20,29 +20,31 @@ typedef uint16_t EntityUID;
 
 typedef enum
 {
-    E_FLOOR = 0x0,      // . (also null)
-    E_WALL = 0xF,       // #
-    E_PLAYER = 0x1,     // P
-    E_ENEMY = 0x2,      // E
-    E_DOOR = 0x4,       // D
-    E_LOCKEDDOOR = 0x5, // L
-    E_EXIT = 0x7,       // X
-    E_MEDKIT = 0x8,     // M
-    E_KEY = 0x9,        // K
-    E_FIREBALL = 0xa,   // not in map
+    E_FLOOR    = 0x0,
+    E_WALL     = 0xF,
+    E_DOOR     = 0xD,
+    E_DOOR2    = 0xA,
+    E_DOOR3    = 0xB,
+    E_COLL     = 0xC,
+    E_PLAYER   = 0x1,
+    E_ENEMY    = 0x2,
+    E_EXIT     = 0x7,
+    E_MEDKIT   = 0x8,
+    E_AMMO     = 0x9,
+    E_FIREBALL = 0xA
 } EntityType;
 
 typedef enum
 {
-    S_STAND = 0,
-    S_ALERT = 1,
-    S_FIRING = 2,
-    S_MELEE = 3,
-    S_HIT = 4,
-    S_DEAD = 5,
-    S_HIDDEN = 6,
-    S_OPEN = 7,
-    S_CLOSE = 8,
+    S_STAND,
+    S_ALERT,
+    S_FIRING,
+    S_MELEE,
+    S_HIT,
+    S_DEAD,
+    S_HIDDEN,
+    S_OPEN,
+    S_CLOSE
 } EntityStatus;
 
 typedef struct
@@ -52,17 +54,21 @@ typedef struct
     Coords plane;
     float velocity;
     uint8_t health;
-    uint8_t keys;
+    uint8_t ammo;
+    bool secret;
+    bool secret2;
+    bool secret3;
 } Player;
 
 typedef struct
 {
     EntityUID uid;
     Coords pos;
     uint8_t state;
-    uint8_t health; // angle for fireballs
+    uint8_t health;
     uint8_t distance;
     uint8_t timer;
+    bool drop_item;
 } Entity;
 
 typedef struct
@@ -77,7 +83,7 @@ typedef struct
 
 /**
  * @brief ENTITIES get UID from entity type and location.
- * 
+ *
  * @param type Entity type
  * @param x    X coordinate
  * @param y    Y coordinate
@@ -87,7 +93,7 @@ EntityUID entities_get_uid(EntityType type, uint8_t x, uint8_t y);
 
 /**
  * @brief ENTITIES get entity type from UID.
- * 
+ *
  * @param uid Entity UID
  * @return EntityType Entity type
  */
@@ -97,7 +103,7 @@ EntityType entities_get_type(EntityUID uid);
 
 /**
  * @brief ENTITIES create player entity struct.
- * 
+ *
  * @param x X coordinate
  * @param y Y coordinate
  * @return Player Player entity instance
@@ -110,12 +116,15 @@ static inline Player entities_create_player(uint8_t x, uint8_t y)
         .plane = {0.0f, -0.66f},
         .velocity = 0.0f,
         .health = 100,
-        .keys = 0};
+        .ammo = 10,
+        .secret = false,
+        .secret2 = false,
+        .secret3 = false};
 }
 
 /**
  * @brief ENTITIES create enemy entity struct.
- * 
+ *
  * @param x X coordinate
  * @param y Y coordinate
  * @return Entity Enemy entity instance
@@ -128,12 +137,13 @@ static inline Entity entities_create_enemy(uint8_t x, uint8_t y)
         .state = S_STAND,
         .health = 100,
         .distance = 0,
-        .timer = 0};
+        .timer = 0,
+        .drop_item = true};
 }
 
 /**
  * @brief ENTITIES create medkit entity struct.
- * 
+ *
  * @param x X coordinate
  * @param y Y coordinate
  * @return Entity Medkit entity instance
@@ -146,30 +156,32 @@ static inline Entity entities_create_medkit(uint8_t x, uint8_t y)
         .state = S_STAND,
         .health = 100,
         .distance = 0,
-        .timer = 0};
+        .timer = 0,
+        .drop_item = true};
 }
 
 /**
  * @brief ENTITIES create key entity struct.
- * 
+ *
  * @param x X coordinate
  * @param y Y coordinate
  * @return Entity Key entity instance
  */
 static inline Entity entities_create_key(uint8_t x, uint8_t y)
 {
     return (Entity){
-        .uid = entities_get_uid(E_KEY, x, y),
+        .uid = entities_get_uid(E_AMMO, x, y),
         .pos = {x + 0.5f, y + 0.5f},
         .state = S_STAND,
         .health = 100,
         .distance = 0,
-        .timer = 0};
+        .timer = 0,
+        .drop_item = true};
 }
 
 /**
  * @brief ENTITIES create fireball entity struct.
- * 
+ *
  * @param x   X coordinate
  * @param y   Y coordinate
  * @param dir Angle
@@ -178,12 +190,13 @@ static inline Entity entities_create_key(uint8_t x, uint8_t y)
 static inline Entity entities_create_fireball(uint8_t x, uint8_t y, uint8_t dir)
 {
     return (Entity){
-        .uid = entities_get_uid(E_KEY, x, y),
+        .uid = entities_get_uid(E_AMMO, x, y),
         .pos = {x + 0.5f, y + 0.5f},
         .state = S_STAND,
         .health = dir,
         .distance = 0,
-        .timer = 0};
+        .timer = 0,
+        .drop_item = true};
 }
 
 #endif /* ENTITIES_H */