Moving some logic into separate files

src/dawn/display/draw/CMakeLists.txt

@@ -8,6 +8,7 @@
 # Sources
 target_sources(${DAWN_TARGET_NAME}
   PRIVATE
+    drawstatemainmenu.c
     drawstateoverworld.c
     drawmap.c
     drawtext.c

src/dawn/display/draw/drawstatemainmenu.c

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "drawstatemainmenu.h"
+#include "display/draw/drawtext.h"
+
+void drawStateMainMenu() {
+  // Draw the logo
+  drawText("Dawn", 4, 0, 0, COLOR_WHITE);
+}

src/dawn/display/draw/drawstatemainmenu.h

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/frame.h"
+
+/**
+ * Draws the main menu state.
+ */
+void drawStateMainMenu();

src/dawn/display/draw/drawstateoverworld.c

@@ -27,14 +27,14 @@ void drawStateOverworld() {
     cameraPositionY = player->y;
   }
 
-  // drawMap(
-  //   GAME.currentMap,
-  //   cameraPositionX, cameraPositionY,
-  //   0, 0,
-  //   FRAME_WIDTH, FRAME_HEIGHT
-  // );
+  drawMap(
+    GAME.currentMap,
+    cameraPositionX, cameraPositionY,
+    0, 0,
+    FRAME_WIDTH, FRAME_HEIGHT
+  );
 
   // Draw UI
-  // drawUITextbox();
-  drawUITestMenu();
+  drawUITextbox();
+  // drawUITestMenu();
 }

src/dawn/display/frame.c

@@ -11,6 +11,7 @@
 #include "display/draw/drawshape.h"
 #include "display/draw/drawtext.h"
 #include "display/draw/drawstateoverworld.h"
+#include "display/draw/drawstatemainmenu.h"
 
 char_t FRAME_BUFFER[FRAME_HEIGHT * FRAME_WIDTH];
 uint8_t FRAME_COLOR[FRAME_HEIGHT * FRAME_WIDTH];
@@ -37,6 +38,9 @@ void frameUpdate() {
       drawStateOverworld();
       break;
     
+    case GAME_STATE_MAIN_MENU:
+      drawStateMainMenu();
+    
     default:
       break;
   }

src/dawn/game/CMakeLists.txt

@@ -4,6 +4,7 @@
 # https://opensource.org/licenses/MIT
 
 # Subdirs
+add_subdirectory(state)
 
 # Sources
 target_sources(${DAWN_TARGET_NAME}

src/dawn/game/game.c

@@ -13,6 +13,11 @@
 #include "asset/assetmap.h"
 #include "ui/textbox.h"
 #include "ui/testmenu.h"
+#include "ui/mainmenu.h"
+
+#include "game/state/mainmenu.h"
+#include "game/state/mapchange.h"
+#include "game/state/overworld.h"
 
 game_t GAME;
 
@@ -26,9 +31,10 @@ void gameInit() {
 
   textboxInit();
   testMenuInit();
+  mainMenuInit();
 
   GAME.mapNext = MAP_LIST_TEST;
-  GAME.state = GAME_STATE_MAP_CHANGE;
+  GAME.state = GAME_STATE_INITIAL;
 }
 
 gameupdateresult_t gameUpdate(const float_t delta) {
@@ -37,14 +43,11 @@ gameupdateresult_t gameUpdate(const float_t delta) {
 
   switch(GAME.state) {
     case GAME_STATE_INITIAL:
-      GAME.state = GAME_STATE_OVERWORLD;
+      GAME.state = GAME_STATE_MAIN_MENU;
       break;
 
     case GAME_STATE_OVERWORLD:
-      textboxUpdate();
-      testMenuUpdate();
-      if(GAME.currentMap) mapUpdate(GAME.currentMap);
-      if(inputWasPressed(INPUT_BIND_PAUSE)) GAME.state = GAME_STATE_PAUSED;
+      gameStateOverworldUpdate();
       break;
     
     case GAME_STATE_PAUSED:
@@ -52,10 +55,11 @@ gameupdateresult_t gameUpdate(const float_t delta) {
       break;
 
     case GAME_STATE_MAP_CHANGE:
-      assetMapLoad(MAP_LIST_PATHS[GAME.mapNext], &MAP_MAIN);
-      GAME.state = GAME_STATE_OVERWORLD;
-      GAME.currentMap = &MAP_MAIN;
-      map_t *test = &MAP_MAIN;
+      gameStateMapChangeUpdate();
+      break;
+
+    case GAME_STATE_MAIN_MENU:
+      gameStateMainMenuUpdate();
       break;
   }
 

src/dawn/game/game.h

@@ -17,7 +17,8 @@ typedef enum {
   GAME_STATE_INITIAL = 0,
   GAME_STATE_OVERWORLD = 1,
   GAME_STATE_PAUSED = 2,
-  GAME_STATE_MAP_CHANGE = 3
+  GAME_STATE_MAP_CHANGE = 3,
+  GAME_STATE_MAIN_MENU = 4
 } gamestate_t;
 
 typedef struct {

src/dawn/game/state/CMakeLists.txt

@@ -0,0 +1,14 @@
+# Copyright (c) 2024 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Subdirs
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    mainmenu.c
+    mapchange.c
+    overworld.c
+)

src/dawn/game/state/mainmenu.c

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "mainmenu.h"
+#include "ui/mainmenu.h"
+
+void gameStateMainMenuUpdate() {
+  // Update the main menu
+  mainMenuUpdate();
+}

src/dawn/game/state/mainmenu.h

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dawn.h"
+
+/**
+ * Updates the main menu state.
+ */
+void gameStateMainMenuUpdate();

src/dawn/game/state/mapchange.c

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "mapchange.h"
+#include "asset/assetmap.h"
+#include "game/game.h"
+
+void gameStateMapChangeUpdate() {
+  assetMapLoad(MAP_LIST_PATHS[GAME.mapNext], &MAP_MAIN);
+  GAME.state = GAME_STATE_OVERWORLD;
+  GAME.currentMap = &MAP_MAIN;
+  map_t *test = &MAP_MAIN;
+}

src/dawn/game/state/mapchange.h

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dawn.h"
+
+/**
+ * Updates the map change game state.
+ */
+void gameStateMapChangeUpdate();

src/dawn/game/state/overworld.c

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "overworld.h"
+#include "game/game.h"
+#include "input.h"
+#include "ui/textbox.h"
+#include "ui/testmenu.h"
+
+void gameStateOverworldUpdate() {
+  textboxUpdate();
+  testMenuUpdate();
+  if(GAME.currentMap) mapUpdate(GAME.currentMap);
+  if(inputWasPressed(INPUT_BIND_PAUSE)) GAME.state = GAME_STATE_PAUSED;
+}

src/dawn/game/state/overworld.h

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dawn.h"
+
+/**
+ * Updates the overworld game state.
+ */
+void gameStateOverworldUpdate();

src/dawn/ui/CMakeLists.txt

@@ -11,4 +11,5 @@ target_sources(${DAWN_TARGET_NAME}
     menu.c
     textbox.c
     testmenu.c
+    mainmenu.c
 )

src/dawn/ui/mainmenu.c

@@ -0,0 +1,38 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "mainmenu.h"
+
+mainmenu_t MAIN_MENU;
+
+void mainMenuInit() {
+  const char_t* strings[] = {
+    "New Game",
+    "Load Game",
+    "Options",
+    "Exit"
+  };
+
+  uint16_t columns = 1;
+  uint16_t rows = 4;
+  menuInit(&MAIN_MENU.menu, columns, rows);
+  memcpy(MAIN_MENU.menu.strings, strings, sizeof(strings));
+  MAIN_MENU.menu.selectCallback = mainMenuSelectCallback;
+}
+
+void mainMenuUpdate() {
+  menuUpdate(&MAIN_MENU.menu);
+}
+
+void mainMenuSelectCallback(
+  const menu_t *menu,
+  const uint16_t x,
+  const uint16_t y,
+  const char_t *str
+) {
+  printf("Selected: %s\n", str);
+}

src/dawn/ui/mainmenu.h

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) 2024 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "ui/menu.h"
+
+typedef struct {
+  menu_t menu;
+} mainmenu_t;
+
+extern mainmenu_t MAIN_MENU;
+
+/**
+ * Initializes the main menu.
+ */
+void mainMenuInit();
+
+/**
+ * Updates the main menu.
+ */
+void mainMenuUpdate();
+
+/**
+ * Callback for when a main menu item is selected.
+ * 
+ * @param menu The menu that was selected.
+ * @param x The x position of the selected item.
+ * @param y The y position of the selected item.
+ * @param str The string of the selected item.
+ */
+void mainMenuSelectCallback(
+  const menu_t *menu,
+  const uint16_t x,
+  const uint16_t y,
+  const char_t *str
+);

src/dawn/ui/menu.c

@@ -36,6 +36,13 @@ void menuUpdate(menu_t *menu) {
   } else if(inputWasPressed(INPUT_BIND_RIGHT)) {
     menu->repeatHeld = 0.0f;
     return menuPositionMove(menu, MENU_DIRECTION_RIGHT);
+  } else if(inputWasPressed(INPUT_BIND_ACCEPT) && menu->selectCallback) {
+    menu->selectCallback(
+      menu,
+      menu->x, menu->y,
+      menu->strings[(menu->y * menu->columns) + menu->x]
+    );
+    return;
   }
 
   // Handle repeat

src/dawn/ui/menu.h

@@ -19,7 +19,9 @@ typedef enum {
   MENU_DIRECTION_RIGHT = 3
 } menudirection_t;
 
-typedef struct {
+typedef struct _menu_t menu_t;
+
+typedef struct _menu_t {
   uint16_t x, y;
   uint16_t rows, columns;
   float_t repeatHeld;
@@ -27,6 +29,14 @@ typedef struct {
 
   // Visual things
   uint16_t renderOffsetX, renderOffsetY;
+
+  // Callbacks
+  void (*selectCallback)(
+    const menu_t *menu,
+    const uint16_t x,
+    const uint16_t y,
+    const char_t *str
+  );
 } menu_t;
 
 /**